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1. If exporting to external drainage design programs the package may not accept all three sets so check the interface notes before defining the catchments Set Catchments Auto Linking In each set model 12d will automatically link the catchment string to the inlet that is closest to the first point on your catchment string This is the preferred method If this is not possible then an inlet may be manually linked to a catchment string using the Catchment manual link Linking Rules 1 If an area is typed in before Set Catchments is selected a catchment string will not be linked to this inlet catchment set Erase the typed input if you want a link to occur 2 Strings will link to the inlet closest it s vertex 1 3 If more than one string trys to link to an inlet the closest vertex 1 point will be linked 4 If an inlet has a string linked and a new string 1s drawn with a closer vertex 1 the new string will NOT replay the old string Use the manual pick or Network Editor gt Global gt Utility Mod els Clear Catchment Links to start new Also see Checking the Automatic Catchment Linking Drawing Catchment Strings in 12d Before creating the catchment string set the CAD control bar data Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 45 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Type the name of a model for the catchment strings Now to create the
2. Length 5o f Length 00 Slope 7 25s dee Slope 25 00 Retardance Retardance Te minor Tc minor fig ooo Te major Tc major Cimino 0o75 Cimajor jo7spo q i 1 n Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 55 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Explicit Settings Explicit settings over ride the default settings for the Catchment Pit Pipe DEFAULTS GLOBAL catchment selected If the Catchments Flowing to current pit explicit fields are blank Current pit Booo f then the default values are being used Set 1 Set 2 Set 3 8 Catchment polygon dwg d catchments 13 E Drainage Network Editor Catchment area Impervious Pervious m m O O O O T O L Coo DOO minors Is C major 2 w OSS Se 6 10 3 Percent Impervious The default percent impervious for the network is set on the Defaults gt Catchment Defaults tab and the explicit settings are on the Catchment tab see above The percent impervious is used to deter mine the area for the impervious and pervious components and the composite C value if using the ARR 1987 method for calculating runoff coefficients 6 10 4 Times of Concentration There are several methods for entering times of concentration for the catchment areas see list below Default and explicit settings catchment tabs are entered calculated for both the
3. OP Ge eo Oe oi 9e2 go Le 80 oe 60 OE m Tear qnoqac Fo SEGL Fo SEGL PO Ceeck POC Zech PO ZZE PO ZZE im AUT ION qnogag 6T shes ET RTES SL BETS co ores TE EDES EZ EPES m HUTASET qno as av E ev 5 ev F ev E ev z ev T adAL STE N aTd aTd WRAY WO ABA_ G AUT qo31Tq 2TAU2L QAI qo31Tq OAPAUPZT SUATe JI So gI13 3 EUTEIP T 2IEJ 13464 mI0qg POTJEH J J30 POJAM TIEJHTEH POUJSH IL 3TT4 UOT4E20T T pOH sivuterzg Jaa oId LAHS WOISHI TYJIJOTOHTAH TAJON AET Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 84 of 102 12d Solutions Pty Ltd ng Software and Survey V U COURSE NOTES STORMWATER DESIGN 5 88 6 Pz FTP 2 ETE L E S T WII 90 BSIe 4AeG 295T 0 zett O FASL O 5559 0 To 0 O ET WoO wes Baile rEg TS2T ceoPr O T6Fs 0 0gz3 0 382070 FY WT mg Baie 4Aey 00 Foe 00 Foe 62 O02 98 202 OO piz i IU I Baie 4AEy 36T O F SZ 650 0 6 65 o o F200 o o FAT O o o mr fap OTT T T T T T T T T 2 dorg ga pPuag sd UTH adta adta 00 S 00 S LE T TT S min UT 35L Eae JIEB I anog BEL 9 i028 E TSE 6 O92 TEE S T WIa 90 Poare TTNg So L2 20 6z 54 92 Bo Lz BO 6z im Td 3313 afd a TEST a229F 0 z 6 0 TFSs 0 eeio0 O EU vI Whg Pore T
4. 4 3 Viewing the Ground Surface Tin The tin will be shown with the tin edges turned on This is the default when you have all tin dis play modes turned off Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 11 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Disp lay Contours B Plan 1 LB the e button Culling oF Linestyles on Sewer n a Text on vertices nta b vertex indices n a Z values on d String names nfa P Attributes nta d Arc centres nta Tin contours p a Tin edges n Tin Flow nta Tin solid nta Grid oF Rasters n a Point id s nta The contours are displayed with their default colours and increment 1 unit Flow arrows are now visible at the centre of every triangle Change Contour Intervals and Colours Yie ings 1 Toggie Culling Faces Linestyles Rotate SEMEF Plotting scale Text Tins nSettings 1 X vertices Point verber id s vertex indices Z values Mames Attributes Se emm kem 12d Stormwater Design Course Notes Part 1 Page 12 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN View Draw triangles contours Cant inc Cont ref Cont colour Bold ine Bold colour Change the Flow Arrow Lenath and Colour Select the Men lk right on
5. J2d Solutions Pty Ltd Civil and Surveying Software Version 8 Course Notes CIVIL AND SURVEYING SOFTWARE THE 12d PERSPECTIVE STORMWATER DESIGN Part 1 12d Solutions Pty Limited 12d Solutions Pty Limited ACN 101 351 991 Phone 61 2 9970 7117 Fax 61 2 9970 7118Email training 12d com 12d Stormwater Design Course Notes Part 1 These course notes assume that the trainee has the basic 12d Model skills usually obtained from the 12d Model Training Manual These notes are intended to cover basic Stormwater Design For more information regarding training courses contact 12d Solutions Training Manager These notes were prepared by Robert Graham Revised 17 Sept 2007 Copyright 12d Solutions Pty Limited 2007 These notes may be copied and distributed freely Disclaimer 12d Model is supplied without any express or implied warranties whatsoever No warranty of fitness for a particular purpose is offered No liabilities in respect of engineering details and quantities produced by 12d Model are accepted Every effort has been taken to ensure that the advice given in these notes and the program 12d Model is correct however no warranty is expressed or implied by 12d Solutions Copyright 12d Solutions Pty Limited 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 1 0 Stormwater Design Introduction sccssssscsccscccccccessssssssscsccscccccssccsss
6. The font selected must be a fixed space font or the Text Parameters Box W Shadow None Box Colour Jorange z Shadow Colour y Location x z Font Inquire m Selection accepted Process data will not align properly Select the Font to display the following panel ojx Enter a Text Model for the report The Text Style must be a fixed space font Select Set then Finish Text Colour Hyaa _ Now add the Text Model onto the Text Size EI Text Width fr Text Angle pooo Text Style sce oo Text Justify bottom left text style ok Defaults Set Finish Generate hydraulic report The hydraulic report may be formatted for inserting into a 12d model text editor format ted or spreadsheet comma or tab delimited In almost all cases Overwrite existing report file will be selected Generate hydraulic report oa wt Report type Formatted l l Select Choi E Hydraulic report File fh ydraulic rpt c ad Overwrite existing report File Comma delimited Tab delimited 12d Stormwater Design Course Notes Part 1 Page 82 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN If you want both the hydrology and hydraulic report in the same file enter the same file name in both file fields but turn of the Overwrite existing report file for the hydraulic report 8 4 1 Design Results Results from the design runs are sho
7. Begin creating line 2 in a similar fashion and place the manhole 2 1 2 To connect to line 1 a point snap is required to the centre of manhole 1 2 This creates a junc tion pit 3 LB the Finish button after the junction manhole is placed 4 Repeat for line 3 5 9 Additional Notes for Junction Pits Key Points 1 The branch line must Point Snap onto the centre of a pit on the trunk line 2 All strings must be in the same model 3 The downstream end of the string depends on flow direction must join onto the trunk line Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 29 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Trunk drainage lines are created the same way as the branch lines except special care must be used when placing the junction pits When placing the junction pit on top of the branch line turn the point snap on and the line snap off the F3 and F4 keys are convenient for this Zoom into the branch line junction pit so that you can snap onto the centre of the pit A pit contains three points one at each point where the pipes join invert level points and the one you want to snap onto at the centre of the pit setout level point In the figure below the blue line is being placed to join the magenta line Note that the diamond indicates that there is a point snap and the information panel indicates that we are snapping to line 2 The infor
8. Settings gt Tins gt Flow Arrows and the following dialog will appear Remember to walk right VIEW Draw triangles Flow Arrow length a Colour For arrows 4 4 Inquiring about Heights on the Surface The elevation anywhere on the tin can be obtained by simply moving the pointer over the desired spot To obtain the tin elevations select Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 13 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Jin Height Inquire ul fexisting E a 2 26 016 x 51 42 970 y 7291 057 Finish You will see that data in the panel change as you move the pointer around the screen Move the panel to the bottom right corner of the screen and leave it there 4 5 Viewing the Surface Tin in a 3d Perspective To create a 3d perspective view select 4 6 Reducing the number of points for the 12d Practice Version We can delete the survey data to save space for those using the practice version of 12d If you have a full version of 12d this is not required From the main menu select and the following dialog will appear E Delete Model Seles 12d Stormwater Design Course Notes Part 1 Page 14 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 7 Importing the Road Design Centre lines Repeat the process of importing 12da data Format izd ascii sr Asci File
9. nta and read the z values String names Attributes nta d Arc centres nta Tin contours n a Tin edges n a Tin Flow nta Tin solid nta Grid off Rasters nja Point id s nta e aM e ce Ue Use your mouse wheel to zoom in Z values off 4 2 Creating the existing Ground Surface From the main menu select General Data Mulling New tin name A Preserve strings will make one side of a triangle follow the string thereby preserving the levels Tin style along the string Model For tin z Tin colour Weed tin removes all duplicate points from the Additional settings tin database Preserve strings Remove bubbles The Cell method is a good speed enhancement Weed tin F for data that is in a grid type pattern Cell method F Triangle data Triangle data is used for string that form trian gles tins imported from other packages 12d Stormwater Design Course Notes Part 1 Page 10 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Jriangulate a Data Source Sil fx General Data 1 iro Data to triangulate EXISTING SURI Data polygon The tin will be stored in the model tin exist ing A tin like all 12d strings must be stored in a model 12d prefixes all its tins with tin for data management Model lt EXISTING SURVEY gt exists zmin 6 050 zmax 41 694 e Trianguiate
10. setout string as described in the section above Explicit settings and the auto calculated value are found on the Pit Setout tab If Road chainage mode is set to Centre string then the Centre String ID in the Road design file shown above is used to select the road string to measure the chainage and offset from The values and explicit settings for the road chainage and offset are found on the Pit gt Setout tab 6 15 Calculate Bypass flow routes This option is required for pit inlet capacity calculations and is covered in the Drainage Part 2 training As an introduction the bypass strings determine the downstream bypass inlet for each inlet Inlet capacity is determined from commands in the drainage 4d file Road grade and crossfall measure ments require the inlet to be linked to a setout string and pond depth measurements require a link to catchment string Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 69 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 7 0 Service and Utility Clashes We will import some services from a 12da file From the main menu select Format Asci File Advanced File to read services 12da O Map File Pre posttix For models Use map file model when ptiline changes Allow include bo be used WARNING 12d service clash routines notify the user of crossing services but not parallel services that are close to each other To
11. 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 1 RB and then select Snaps Cad gt Points gt Locate Offset from the menu Messages indicating what to be done next are given in the bottom left corner of the 12d window 2 When you select the string to measure the distance along do not click but rather drag in the direction you want to offset Next MB accept 3 LB select then MB accept the control point to measure the distance from If this point is not on the string selected in step 2 the point will be dropped perpendicularly onto that string 4 Type the distance along the string then press Enter a negative value would go in the opposite direction to the drag in step 2 5 Type the offset distance from the string then press Enter positive is defined using a right hand rule method from the direction in step 2 6 MB accept the construction point to place the pit 13 2 Locating Crests and Sag Points This step will place tick marks at the crest and sag points of your kerb strings It is an optional step but it will help ensure that a drainage inlet is always placed at SAG inlet locations If your road designer has given you kerb inverts strings split into numerous sections use the head to tail feature described in section 4 2 above before using this section The crests and sag locations along the design string can be identified using the selection Strings gt Label gt Chainages 12d
12. 25 930 375 23 530 27 158 3 628 A4 SA2 5157 411 7321 332 450 000 900 000 375 23 090 26 714 3 624 outlet to existing system NOTE 1 ALL SETOUT POINTS QUOTED TO CENTRE OF PIT Road Chainage Offset Example DRAINAGE LINE A PIT PIT LOCATION LOCATION OFFSETS No EASTING NORTHINGSTATION CTRL OFFS TYPE REMARKS A I 5354 629 7336 936 231 171 d002 7 450 A 2 5340 691 7320 911 217 233 d002 8 575 A 3 5293 458 7320 886 170 000 d002 8 600 A 4 5250 131 7320 886 126 673 d002 8 600 A 5 5217 194 7322 036 93 736 d002 7 450 A 6 5183 458 7322 036 60 000 d002 7 450 A 7 5152 699 7322 036 29 241 d002 7 450 12d Stormwater Design Course Notes Part 1 Page 90 of 102 Notes Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The Set pit details must be run at least once to before printing the report If the pits are moved or the designed strings changed then this option must re rerun The easting northing data obtained for the road design string option is obtained by dropping the pit centre perpendicular onto the selected road design string This data is stored as pit attributes setout x and setout y It is calculated when the Set Pit Detail is selected in the Drainage Network editor Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 91 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 12 0 Long Section Plotting Detailed
13. 3 1 1 I 351 apeg apeg Jy Baay BETS yua adil ar TIN BSAB TTH PFare TTng adta adta adta Ting adta adta adta adta quang MIogg AeSaL F AUT Teo I4TMTY papoquarg To oa ssa nog U UTUENH m TT I4TMTY 13409 adta aTqel JAI POUSAN TTEJUTEY OAPAYPZT SUATED IT Ssoyv aI Ts TST Tq WoTaeooT SHEUTE AIP ITapoy sheuteaq T ag 359m T1049 rqoaeCoag LAHE NOISHI JITAYAJAH TAJOH IZT 12d Stormwater Design Course Notes Part 1 Page 85 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 9 0 Drainage Templates Saving Defaults and Globals The default and global settings may be saved as a template for other projects networks After setting the globals and defaults for a network follow these steps 1 Export the model using File 0 gt Data output gt 12da 4da data 2 Start a new 12d project 3 Import the file created in step 1 using File IO gt Data input gt 12da 4da data 4 Clean the model to remove the old networks Models gt Clean Since the global and default values are stored as model attributes they will be remain with the net work model Cleaning does not remove the attributes 12d Stormwater Design Course Notes Part 1 Page 86 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 10 0 Drainage Data Input and Output to Spreadsheets Spreadsheets are an effective method to manage the numerous variables
14. If you want them downhill from right to left use the reverse function To reverse only one string from the main menu select Strings gt Strings Edit gt Reverse and pick the drainage strings to reverse This will also change the drainage flow direction attribute from same as string direction to opposite to string direction Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 31 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN To reverse all of the strings in a model select the Reverse all strings option Design gt Drainage Sewer gt More gt Reverse all strings 5 13 Moving Adding and Deleting Pits The best way to edit the plan layout of the drainage is via the Strings gt Points Edit commands The Append Between Delete Insert and Move commands are the most common Points Edit X The Move command has an extra option for moving junction pits Selecting All points with Extend Ht the same coordinate will move all points on the PA Tolk Height view that are at the same x y coordinate The a Wem point selected will move first and the others will 4 points with game coordinate nae follow after th location has b ted e ollow after the new location has been accepted More Finish Help Del Spt curve vertex User 12d Stormwater Design Course Notes Part 1 Page 32 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Soft
15. Label Text Size location string defaults eee ceeeeeeeees 2i 5 3 Importing Drainage Layouts from AutoCAD sssseseesesssssssssseerresesssssessesresresssssssesseee 23 5 4 Create the drainage strings from the dwg strings 0 0 cccceessesseceececeececeeaseseeeseeseeeeeees 23 5 5 Drawing the Drainage Network im 120 orrasan ies 25 5 6 Pit Levels cover level grate level and setout level cee ceeccceececeeceneeeeeeseeesceeeeeeeees 25 5 7 PAU S CLOUE SINE Seia eaa a a aE E 26 5 8 Creatine the Drainage Stings mI 2 0esscsieenini eiiie E S 28 5 9 Additional Notes for JumctOn Pitsernina E nbs eines 29 5 10 Exact Methods 108 Placin Pits icy teo sates cela serait E eereatees eaee 30 5 11 Plow nihe Wrona Dire Ci Otis tiiadecstvnnteiamverscedaereuue teres ae en toceanentensinonnsteennees 31 I2 Drainage Section Views downhill left to right OR right to left ee ceeeeee cece 31 5 13 Moving Adding and Deleting Pits ssicccicciesicanwsteieicbacueaccrcansees E 32 5 14 Diramace Split and OM aan emcseet ee anvanceta danse aati nse seeriatecam en van neces 33 6 0 Drainage Network Editor scansione EEE E uaa eden tien eetauens 34 6 1 Moving through the Drainage Network ccccccececcececeeeeesseeescenceceeceaseaseasseeseeseeeeeees 35 6 2 Auto Apply Auto Pan Auto Profile and Auto Redraw ccccececeececseeesseeeseeseeeeeees 6 3 Se ed aB 2 ARIE EESE E eR Pee aoe A E TE eT 36 6 4 Resrade ol eh nee ee ane ESP re ee Ri d
16. Pipe Friction Method Roughness Values and Direct pipe flow The default friction loss E Drainage Network Editor aie x method and pipe rough Catchment Pit Pipe DEFAULTS eLoBaL ness method areset here Colebrook or Man Default data For blank Fields ning Catchments Pits k T The ranges for pipe peak Pouheni pe Roughness aor velocities are used for checking purposes only Direct pipe Fl Colebrook k in mn a a saa If the velocities are out side this range warning Invert design l i l messages will be given in Grade mac i F Cover limit J me Nee iin Dents ga ae ee tae U the output window Direct pipe flow is flow at the upstream end of the pipe that is included in the pipe flow calculations but is not included in the upstream pit losses nor restricted by the pits inlet capacity 6 12 4 Design mode Freeboard Limit and Flow depth limit aai The Design mode has 4 E Drainage Network Editor E A gt 5 options Catchment Pit Pipe DEFAULTS GLOBAL Pressurised Pipe Free Default data For blank Fields board Design does not Catchments Pits Pipes use partial depths in the Pipe properties pipes and pipe sizes Mannings n roughness o 01 selected by checking the ba pit freeboard Direct pipe Flow F Part full Pipe Free a board Design is similar inrer eee to option 1 except grad Alignment made Minimum Drop P M ual varied flow and j L Serene 0 0
17. Stormwater Design Course Notes Part 1 Page 98 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Label Chainages on String E m fx Data ta label m a 2 Y e Y e s Enter the view for the road strings Select crests sags from drop down list Parameters Label mode crests saqgs Il Enter a model to contain the text labels A 1 after the model name requests that the model Labels Marks be added to view 1 This saves you adding the crests and sag Model to the view later to see the labels Chord 4rc tolerance T Model for labels Select icon to define the text style Textstyle info dec pl For labels Chainages Heights Null Heights Add TC CT ete Select the Marks property sheet ho Model lt crests and sags gt will be created sy NTN Type the same model name as above for the Labels Marks ick marks Model For mary ests and sags S B to select ticks centred from the drop Mode For marks FA down list __ Size For marks i to Colour For marks yellow al aA a ce 5m white marks stand out well on the screen Select Label to create the labels Select Finish to remove the panel Model lt crests and sags gt yjlbetreated 0 O O To get a clear picture of what the kerbs look like in profile lets create a section view and profile the kerb string Revised 17 Sept 2007 12d Stormw
18. The valid ARI will depend of the method selected but you cannot extrapolate beyond your data Select the folder icon on the Rainfall location file and then walk right on the Lib line to select one of the rainfall files in the 12d library If the file has only one type of rainfall definition then the Rain fall method field will be completed Otherwise select the Rainfall method desired Storm event type determines which set of design values minor or major will be used for this run Pipe travel time method should be set to the authorities requirements Enable the 12d rational method engine partial area calculations by selecting the Partial area effects box Network Design Factors Modify Pipe Sizes These values control the values to be designed in the run Consider bypass flows causes the engine to use the bypass flow routes and inlet capacity data from the drainage 4d file Ensure Pipe Q lt Qcap will increase the pipe size if this criteria is violated 12d Stormwater Design Course Notes Part 1 Page 78 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Modify pipe inverts will allow the design engine to shift the inverts if required usually pipe size changes If Modify pipe sizes is selected then a files containing the available pipe sizes must be supplied The pipe sizes in this file are in the Units specified in the drainage network editor To create a new file ent
19. be more than the Alignment drop specified As the inverts are moved down the minimum pipe grade is maintained NOTE If Obvert Drop is selected and the downstream pipe is a smaller pipe then the inverts will be aligned 12d Stormwater Design Course Notes Part 1 Page 64 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The Drop file contains the drops that change ae SEN with the pipe deflection angle A sample file is included in the library P ro file ryinz_std drop O If only one drop value is to be used set the deflection angle to 180 degrees E Pipe Deflection Drop File Deflection Angle deg less than 6 13 2 Pipe sizes Max pipe height and Multiple Pipes and Box Culverts The 12d design engine will select pipe sizes from the file specified on the Drainage Network Design panel Preferred pipes file field list See selecting pipe sizes However the maximum pipe height allowed before multiple pipes are used and the selection of box culverts is set on the pipe gt main and pipe gt design tabs respectively E Drainage Network Editor i Seles Catchment Fit Pipe DEFAULTS GLOBAL Pipe downstream of current pik Pipe connections TStoHWwi o Pipes specifies the nee Design number of identical pipes The pipe flow is divided Invert levels by this value when calcu US Invert DS Invert lating losses Pipe size DiamjHeight o 3
20. capacity This value is not exported to the Drains program but it will determine the pit family See Drainage Import Export It is best to set this to the most common pit type and then change the few that are different later in the network edi tor You must click the Set button to set the default values Finish alone will not set the defaults 12d Stormwater Design Course Notes Part 1 Page 20 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 1 3 Pipe Defaults The pipe diameter is set in metres or feet not mm or inches Set this to a minimum pipe diameter for your project and then your drainage design package can increase them if required To model an existing system enter the most common pipe size and then alter other pipes as required in the network editor Diameter Minimum grade Minimum cower Type Allowing for Pipe Thickness When 12d set the pipe inverts it checks the minimum cover from the obvert of the pipe to the fin ished ground surface at both pits Cover surface level diameter invert Therefore an allowance for pipe thickness should be added to the minimum cover If the grade of the pipe is less than the minimum grade the grade of the pipe is increased Finally 12d checks if there is anywhere along the pipe length that has less than the minimum cover If there is such a low point in the design surface the pipe is shifted vertically down
21. catchment string use the Create line string button on the CAD toolbar DRAG the Create line button and release at the Create Line String button t Ql x Qal The first point should always be placed r the inlet 12d will assume that the catchment lt will drain to the inlet closest to this first point O r _ aisg a oa rj R al There is no need to go overboard with the accuracy of the catchment strings except maybe with SAG pit catchments near the low points From experience it is more important to spend time verify ing catchments in the field than spending a lot of time getting them exactly placed on the catch ment plan If you want to use the drawing as a catchment plan submission then the extra care in creating the strings may be warranted Continue selecting and accepting the points on the catchment string and the press ESC to finish creating this string You are now ready to create the next catch ment string SAG inlet catchments DO NOT START AT THE INLET just start nearer to this inlet than any other If you start at the inlet then move out to the crest of the catchment the catchment over flow level cannot be determined from the catchment string Once the catchments are drawn they become linked to the drainage network in the Drainage net work editor We will label the catchment with the inlet name and area at the same time Start the Drainage network editor and move to the Global Tab and then the U
22. description of the 12d drainage long section plotting may be found in the 12d Reference manual The long section plots are customised using the drainage plot parameter files drainppf Title blocks user defined text may be added and then plotted directly or to various file formats dwg dgn etc From the main menu Design gt Drainage Sewer gt Plots gt Longsections See Also Set Pit Details to set road chainage and name data W Drainage Plot PPF Editor To access the drainppf files sup plied select the Plot parameter file drainage long_design drainppf icon and then walk right on Lib Drainage Flot View to load details From ven rene Title block Views Ea l E Plot sheet layout drainp P f file H Boxes Global variables elect Read Chainages Uprights Text style Loo NT H Datum area Enter a new name E Arrows for this drawing Graph area Section parameters and select Write Top a Network model ainage network This will save the alae holes Horizontal scale 1000 setting NE Property controlsiH Vertical exageration about to make Hatching cut fil should you want Cuts Sheet size setup to replot this long Primary string name Sheet size wd ht mm section PFF s to include Plotter parameters gt Plotter type madel E E E E This section view determines the additional mod Flot File dr long plots hp Clean plot models beforehand always clean F els such as serv ices to show plot These are
23. editor to manually change explicit ones or quickly change all the names using a different naming method The pit names are based on the string names so make sure the string names are set To view string names on the plan view go to the Plan View tool bar and select Toggle gt Names If they do not 12d Stormwater Design Course Notes Part 1 Page 36 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN appear see Displaying View Text The string names may be Model drainage network String drainage n Fit sd changed in the String field Set Pit Names Set Catchments Set Pit Details Regrade Pipes Pit names may be changed String Editor AmportfExport Storm Analysis in the Pit field Ta AAA Caz C2 Caen Crh CRE 9 Drainage Network Editor Set Pit Names Am drainage network Sequential numbering q Drainage model Naming method Default naming Fre kext String Fit separator Fost kext First pit number Map pit numbers to letters Min digits in pit numbers Maming by pit type R Pit naming File Reverse order Mame pits Mame pipes Pipe naming method US Pit bo DS Pik Pits and pipes named successfully Back to Editor Run 6 6 Set Pit Names using Pit Type Currently all of the pits have the default pit type To exclude the outlet headwall from the number ing we can change its type to HW and then
24. model columns You could have up to 6 tc string models E Drainage Network Editor l Ioj x Catchment Pit Pipe DEFAULTS GLOBAL alobal drainage data Main Ubility Models Notes Catchments Catchment file my catchments catchments rimer cate am Labels model fdr catchment labels H Label textstyle Arial cyan 2 middle centre 0 1 my cakchments cakchments JE Anka rename rakrhmenk nalennns B Catchment File h _s iol x Catchment file iny catchments Read Write 4 Catchment Impervious Polygons Te Strings Model Model 1 dig d catchments dr tc perv 1 Browse reset Open Open wit Edit File Delete File 6 11 1 Catchment slope equal area The length of this string is used for the length parameter and the design tin is used with the string to calculate the slope using the equal area method These strings are drawn from upstream to down stream finishing nearest to the inlet they are to be linked to 12d Stormwater Design Course Notes Part 1 Page 58 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN I x The equal area slope is calculated when Set Catchments is selected After the export the slope string it may be profiled to see the slope see below 6 12 Network Editor Hydraulics This section will discuss the hydraulic Global Defaults and
25. pit or pipe has been selected TD I a Y aa ee m Model drainage network String jle network Pit sd Set Pit Names Set Catchments Set Pit Details Regrade Pipes String Editor Import Export Storm Analysis FIA The pit that was selected is highlighted with a circle and an arrow shows the direction of flow see image below The option buttons on the drainage editor now become active 12d Stormwater Design Course Notes Part 1 Page 34 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN e 3 amp x al 6 1 Moving through the Drainage Network There are 3 ways to change pits in the network editor Non of these methods will work if you are on the Defaults or Global tabs If the editor finds an error on a pit it will take you to the error and you must correct the error before moving to the next pit Try all 3 ee a Pee ee Model drainage network String jemnetwork Set Pit Names Set Catchments Set Pit Details Regrade Pipes String Editor Plot S Import Export Storm Analysis erect ine pil irom i SU B ICC WIE Plt ITON d il pl 6 2 Auto Apply Auto Pan Auto Profile and Auto Redraw With Auto Apply A enabled the Apply button need not be selected after making changes in the editor settings Auto Pan is always on and any plan view showing active drainage network selected will always auto pan if the selected pit is not in t
26. strings The centre of the pit x y and z need not be the pit setout point used in the setout tables The con struction setout location can also be set independently of the pit centre It is recommended that you place the pit centre so that the pipes are shown in their actual location and then use the desired option for setout With the pipe in the proper location the pipe cover and service clashes will be calculated correctly The default settings for the pit setout location are found on the network editor defaults pits setout data Road Centre Line Road Chainage and offset Setout String x y from setout string Pit Centre X y at pit centre 12d Stormwater Design Course Notes Part 1 Page 26 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Setout x y Options Option 1 Pit Centre The x y location will be the centre of the pit Option 2 Road Centre Line The road chainage and offset are measured perpendicular to the road centre line out to the pit centre or setout point Option 3 Setout string The pit centre is dropped perpendicular onto the set out string to obtain the x and y Example In the diagram below the setout point is lip of kerb The setout x y location level z will be obtained from the setout string and the pipe will be shown at its proper position ad ee Tm trom back of kerb setout point x y z Revised 17 Sept 2007 12d Stormwater Design
27. the colour of the existing tin and see how the super tin changes colour as well Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 17 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN CRE Tin existing Colour darkgreen darkgreen green Tin lt existing gt exists Colou inis Help Toggle the Tin solid on and note the colours of the super tin 12d Stormwater Design Course Notes Part 1 Page 18 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 0 Drainage Layout Before creating drainage strings in12d we should set default values for the pit and pipes This ensures that most of the pit and pipes will have the desired type size etc and then we only need to modify the pit and pipes that are different to the default values Where a drainage designer chooses to start their design is a depends a great deal on the project and the designer Identifying overland flow routes is essential because it is on these routes that the inlets are to be placed Inlet structures are then placed at critical locations sag points flattening of grades upstream of pedestrian crossings etc and then the spacing of additional inlets is deter mined by the size of the catchments Finally the pipe drainage system can be created linking the drainage structures 5 1 Setting Drainage Defaults The defaults fo
28. the drainage system using 12d sotrm analysis or create input files for the XP SWMM RAT2000 Micro drainage Drains and PCdrain drainage design packages read the output from the drainage design packages automatic if using 12d Drainage update the drainage network and store the hydraulic data such as hgl hydraulic grade line levels peak pipe flows and pipe capacities pit inlet capacity calculations and bypass flow flooded width analysis and flooding at SAG pits creating drainage symbols with grates and upstream side inlets detailed drainage plan labelling and long sections with hatching under roads In this document the generic term pit refers to manholes inlets catch basin and manholes When the term manhole is used on the 12d menu system it refers to any type of pit Pit types dimen sions and inlet capacities of the pits are set in the drainage 4d file Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 5 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 2 0 Using the Course Notes Areas markered in yellow grey for black and white prints are the exact steps required to complete the tasks The numbers in the panels are the order to preform the tasks and they are always written to the right of the button drop down or data field The additional text explains in more detail the tasks you are preforming 3 0 Setup Files and Their Locations The drainage module
29. the manual links in that set will be erased Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 51 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Drainage Network Editor First change to the Catch ment tab Move to the desired Catchment pit inlet The inlet will be circled Pipe DEFA Catchments i g ta current pit in the plan view and its name Current pit s shown in the Current Pit field Set 1 set 2 set 3 Now select the Catchment Catchment polygon dwg d catchments 13 l polygon button and pick the Catchment area 0 082722 desired catchment string Impervious Pervin NOTE If you decide to enter a value and NOT use the selected string RB on the but ton and select Clear If the Auto apply tick box is not selected then you will have to select the Apply but ton for the manual link to become active After the Set Catchment but ton is selected the measured catchment area will be shown in the Catchment area field using the units specified in the Global Utility models Units field Ti TT DJ A Model drainage network String netwerk 2 Set Pit Mames Set Catchments Set Pit Details Regrade Pipes String Editar Import Export Storm Analysis Pickedt FAE Les T ur Ww Sool Finish Checking the Automatic Catchment Linking The automatic inlet catchment linking is easily checked by specifying a
30. urban drainage designers create in the modelling process Spreadsheet data can be transferred to and from 12d in tab delim ited files and stored within 12d as user definable attributes These attributes are linked to the pit and pipes within a network Drainage long section plots can display the pipe attributes in the arrows data area and pit attributes in the bubbles area Drainage plan drawing can also show these pit and pipe attributes Drainage strings will be created if they do not exist in the model but pits cannot be added to exist ing strings See also 12d to spreadsheet transfers Spreadsheet to 12d update and create Spreadsheet options 10 1 12d to spreadsheet transfers This interface is accessed the Import Export button on the Drainage Network Editor Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 87 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Network Editor Import Export Saks Drainage model aac Select Spreadsheet clipboard 4 NO Format Spreadsheet clipboard z NO file name clipboard tect io Export Export catchment details Export bypass Flow details These options are not used for spreadsheet export Export pipe inverts and sizes Spreadsheet options Export all junction pits Usually leave this off Select Preset output id to export the junction pit at the end of all drainage lines very rarely neede
31. view parallel services add the services model onto a section view profile a drain age string and then set the corridor value for the section view 12d Stormwater Design Course Notes Part 1 Page 70 of 102 Revised 17 Sept 2007 COURSE NOTES STORMWATER DESIGN Wfl Section 4 drainage netwe 7S Em E 10 Models Settings PAE ti ye Redraw Toggle p Fit Corridor Previous Draw tolerance zoom Extend Pan Geom annot Profile Grade annot Regenera Eyaggeration Plotting Grid Utilities Colour Delete Section DES LS Drains gt A Revised 17 Sept 2007 th ALR B 8 OD el e 12d Solutions Pty Ltd Civil and Surveying Software Settings gt Corridor and then set the Width left and Width Right to the desired clearance If the service can be seen then it is within the tolerance 11 is used in this example only so that you can see the service on the other side of the road Wiel E pei T A Use the Next and Prev but eet oo ton to switch drainage Width Right jit trings Overlap Left pao Overlap Right oo l Chord Arc tolerance po l Finished ss Set Defaults Finish Help To obtain a report of all strings inside or crossing the drainage string profiled select the View menu button then Utilities gt Report 12d Stormwater Design Course Notes Part 1 Page 71 of 102 12d Solutions Pty Ltd Civil an
32. your pits on a kerb line string turn the line snap on and the point snap off Keep the height snap off For locating pits at specific x y coordinates simply start typing the x coordinate instead of clicking onto a location An input panel will appear for you to enter the x and y coordinate separated by a space 12d Stormwater Design Course Notes Part 1 Page 30 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN MM Enter XYZ x Entera 2 To place the pits at a specified distance from a point use the RB and select Snaps Cad gt Points gt Locate Offset Follow the prompts given in the message area bottom left corner of the screen You will need experience with the 12d directional pick to use this capabil ity 5 11 Flow in the Wrong Direction The direction of flow is used by 12d to determine where the outlet is on the drainage line The direction of flow will be indicated with the arrow on the manhole when using the Drainage Network Editor No arrow will appear 1f the outlet is selected If you find the arrow is pointing in the wrong direction use the Strings gt Properties gt String option from the main menu Select the string and then change the Flow direction value to the other value ox 5 12 Drainage Section Views downhill left to right OR right to left The long section views and the profile plots are running downhill from left to right
33. 2 ey hydraulic jumps are cal Pipe cover limit 0 65 bd culated in the pipes Pipe cover mode Minimum Depth Critical depth is the min Minimum grade 4 f df imum depth at the upstream end of the Fipe size design pipe Design mode Pressurised Pipe Freeboard Design Freeboard limit at US pit lo 15 df Flow depth limit at pipe entrance 100 ef SR TOONS 12d Stormwater Design Course Notes Part 1 Page 62 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Part full Pipe Flow depth Design is the similar to option 2 except the pipe sizes are selected by checking the normal depth in the pipe against the Flow depth limit Freeboard is also checked in this mode and if required the pipe will increase in size Open Channel Freeboard Design is similar to option 2 except depths at the upstream end of the pipe may be less than critical depth for steep pipes supercritical flow at the entrance The Freeboard limit is used for all Design modes The freeboard is measured down from the grate level Cover RL plus Grate offset The Flow depth limit at pipe entrance is used in Design mode 3 If the flow depth in the pipe is greater than this value the pipe size is increased 6 12 5 Outlet and Tailwater Conditions The most downstream pit on each network requires tailwater conditions Often the invert level on the downstream end of the last pipe also needs to have the invert leve
34. ATER Clearance 0 440 lt 0 500 b 4 afa EI Messages To quickly move to the section view of the string use the pit selection dropdown beside the pick but ton With auto profile on the section view will update to this string 12d Stormwater Design Course Notes Part 1 Page 72 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The most common method to avoid the clash is to increase the Pipe cover Pipe downstream oF current pit limit for this pipe segment Pipe connections Ti to I5 so that the pipe is pushed down Drainage Network Editor m Eg Catchment Fit Pipe DEFALLTS GLOBAL Main Design Invert design Lock US Invert Lock DS Invert d If the clash problem is Cover limit i347 e above the pipe then the rs Max pipe height may be L used and multiple pipes are selected Pipe size design This method is preferred Lock pipe size a dt over locking the inverts as def this leaves more flexibility for aligning the inverts I a a i a a a TIP often changing the Grade mode to Min grade on a branch line will raise the downstream invert This may allow the entire trunck line to rise and thus reduce excavation costs This is espe cially true if the service clash is near the upstream end of the pipe Once the invert levels have been reset by selecting Regrade pipes the output window will i
35. Advanced File to read Map file Pre posttix For models Use map File model when ptiline changes Allow include bo be used 4 8 Using Create Roads We are going to create the roadways from the road centre lines vertical grading has already been done First we will need the road templates that we will read from a templates file Read 2 Finish 3 Help Now we are ready to create the road strings and design tin Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 15 of 102 12d Solutions Pty Ltd gt Civil and Surveying Software COURSE NOTES STORMWATER DESIGN DE o Function design 1 A Inputs Output 2 oxing Tins visualisation Freezing Model Stems Road strings Sts Road sections g Sects Polygons One Model Model Road polygon 3 kerb Returns h Turn separation ooo ef Turn chord arc pos Model for kerb returns Road KR Maming Follow Road Mar r Just create kerb returns Use Full road For kerb return generation r kerb return sections and strings in one model E Delete Frozen apply many Functions r view hor models Error Report error report rpt Model lt Road polygons gt will be created Finish 5 To view the road strings add on all of the Road models To view the tin add on the tin design model You can also add the tin design model onto the perspective view Important On the OpenGL perspective view 12d will show th
36. Catchment labels model with Labels textstyle on the Global gt Utility models tab and selecting the Set Catchments button on the network editor Also once the Set Catchments has been selected the catchment is indicated when the inlet is selected using the network editor Since there may be three catchments per inlet the catchment data last viewed in the editor is the catchment that is highlighted Finally as mentioned above the Auto rename catchment polygons on the Global gt Utility Models tab will set the name of the catchment string to the pit name that it is linked to If it is not linked to any inlet it will be named not used The model can be checked for not used strings by selecting Models gt String Info Table 12d Stormwater Design Course Notes Part 1 Page 52 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Reseting All Catchment links to Start Over O x Catchment Pit Pipe DEFAULTS GLOBAL Global drainage data Main Utility Models Notes Catchments Catchment file drainage catchments Labels model drainage catchment labels There may be occa tions where you will want to clear all of the catchment links and begin with a fresh start Select Clear Catchment Links on Label textstyle arial 2 centre AH Auto rename catchment polygons r Road design Road design file drainage road_des Network Editor Overland By
37. Checker Mame 4 1 Importing the Raw Survey Data You have created a new project into which we will import the survey data From the main menu select Format Asci File File to read Map File Pre posttix For models Use map file model when ptiline changes Allow include to be used 12d Stormwater Design Course Notes Part 1 Page 8 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Add the data to the view LB the then select EXISTING SURVEY af Ble 1 Q x a a x s Next LB Fit on the plan view tool bar You should see the following survey data E BE E EASE CENE im IG Fare m J OF t t tt t tHtthHHH eC OF t t tt t tHttthH cS oe OF F os OF OF t t t th t Hth eS ee ee ee A et 4 t t tt tH ee 4 4 t t tt Hth t HH eo ee t ttH HhHthHllhHlHhH a H A l 4 Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 9 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Now we will display the z values for _ the survey data Culling oF Linestyles on Sewer nta Text on Vertices
38. Course Notes Part 1 Page 27 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 8 Creating the Drainage Strings in 12d Drainage strings can also be created in 12d A drainage string is created by selecting B Create Drainage String O x Mame i 1 WT Model drainage 12d Colour magenta Flow direction same as string c Tin Fs combined Tin ns existing Model drainage gt exists Creat g Same as Finish 9 Help TIP If you have already created a drainage string click the Same as button and select the drainage string to obtain the panel values from that string After selecting the string change the string Name Additional Notes Name Each drainage string in the model must have a unique Name if you plan on using the Set Pit Names option after all of the strings have been drawn The name of the string should be kept short lt B gt for example as it will be used as the prefix or suffix for the pit names Examples of pit naming schemes available for a string labelled lt B gt are B1 B2 B3 or 1B 2B 3B or 1 B 2 B 3 B etc Sequential numbering all of the pits 1 2 3 etc is also an option The pits on the string named 1 will be labelled first and then 2 and so on If you insert a new string with a name in the middle an existing series i e add a new string 2 when strings 1 2 and 3 already exist then name the new string 1 1 for this exa
39. E Drainage Network Editor Sle x Catchment Pt Pipe DEFAULTS GLOBAL Global drainage data Main Utility Models Catchments Catchment File my catchments catchments G Catchment labels model catchment labels ee e Aa Type a file name select the folder icon and then nf 4uto rename catchment polygons select O pen from the drop Road design down Pa e road string file The following editor will appear dE Flow SpvetlandiBe flon B ra A j gt E Road Design File q mj RB select this box and Road design file road string File choose the E models con Road Strings Setout rtre Centre Grade fall Slope taining the Model String ID Searc String ID Search Offset Offset Measuren Distance Distance Distance setout strings Road 1 to Roada 5frs lok In the Setout string ID box l Road Z to Road 3 1 Strs lok 1 3 Road Sto Road z 1 Strs lok enter the string q 5 name prefix wild card allowed to p koad 4 to Road 2 1 Strs lok road centrelines Road 5 F eae E limit the selec Model road centrelines gt exists tion for setout Finish 4 Help string A IMPORTANT If no ID is entered then this model will NOT be searched The Centre string ID is used in the same way to find the centre line string If needed this string is used for road chainage and to determine which direction to measure the crossfall between the setout string and the centre string The di
40. E NOTES STORMWATER DESIGN age area field To ensure manual entry is maintained RB select the string selection but ton and select Clear 6 10 2 Coefficients of Runoff Global Settings Runoff C methods include Direct and ARR Catchment Pit Pipe DEFAULTS GLOBAL Tos For the ARR Direct There is a global impervious C value for E Drainage Network Editor AB Global drainage data Main Utility Models Universal data a j both the minor and major ae Storms Knim viscosity o oonoo114 MS tin lexeting Ge ARR 1987 The com Catchment data posite C value is calcu Runoff method ARR 1967 Ww hoP lated using the 1hr 10yr thr 10yr Intensity Fo po P intensity the percent IDa ween oar ee a _ impervious ARR fre i w w i a quency factors and the return period specified when hydrology runs are made No C values are entered if this method is used 12d Stormwater Design Course Notes Part 1 Page 54 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Default Settings E Drainage Network Editor Catchment Pit Pipe DEFAULTS gLogat Default data For blank Fields Catchments Pits Pipes Set 1 I mpervious Set 2 Yolmpervigus ll Set 3 I mpervious The Direct method has both defaults and explicit settings on Catchment tabs see below Impervious Pervious Te method F Tc method Direct
41. MM Read DWGDXF Data EOR Format File Map File Pre posthix For models Target layer Null level value Default lineweight 0 25 Spline approximation 12 Blocks to symbols Names layer for name Images to plan images Only create visible symbols iil The models that have been created are Translate 3DFaces bo Faces dwg d catchments dwg d overland flow dwg drainage network Use 12d 4cad colour numbers Create 2d 3d polys From ctrl paints Head to tail poinks lines Only load visible layers O sl e iJ e L amp I Load paper space ae a a This is a 2d drainage layout that we will use to locate the pits in our drainage design 5 4 Create the drainage strings from the dwg strings 12d will convert the import strings into 12d drainage strings The default pipe pit and tin data will Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 23 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN be used to set the levels for the network From the menu select The following panel will appear EE Convert to Drainage Str Ioj x Data source of strings to convert 2 a a oS 9 S vi sd Model dwg drainage ne Model for drainage strings drainage Flow direction same as string c Model dwg drainage network gt exists Process 3 Finish 4 The fields and buttons used in this panel have the following functions Field Des
42. O TT Ce Oe ETC eM ENTE oT Oa Pty ree Tree 36 6 5 SEGIPItMames aNd PIPES s c 03cer suzensaareacecasesea AIETE E STEE 36 6 6 Set PRitNames Usine Pit Tey ie nerean secede acs od cds sae ie a AaS 37 6 6 1 Trouble Shooting Displaying View Text ccccccceecececeeceeneessesesceceeeeeeeaeeneees 40 6 7 abelian the Pits andsPipes rerna hele s cisterna E E sede aranaacdetere se 4 6 7 1 Turn ofi View Text Pit abel orae a A a NEA aaa EEE Ai 43 6 7 2 Movino POKES sae ee social otead cies ce Aieanaauaneunauadeseseednanasaceaneaeseneeneectues 44 6 8 ANG IC TIE MC AG tract tea tend e acetoacetate set A E EE 44 6 9 Network Editor Global Default Settings and Explicit Settings ee ececeeeeeeeeeees 53 6 10 Network Editor Hydrology eseesesessseseeeresresssssssesreeresssssssssseereesesssssessestenresssssssesseee 53 6 10 1 Cate CTI AnaS er a E a 53 Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 3 of 102 6 10 2 Coe ee OF RUMOE xi catene ee Seer rele eile accede he es eee 54 6 10 3 Percent TIM PerviOUG tacesdat tnse lea a e e e a re ae a aateenteacasl 56 6 10 4 APTI SHOT C oncenrat Onnea E A Seeaaoneea ems Sabie seach 56 6 11 TORM S S aate act ske to xazesencanaancosn seas yaancenesanacta EE AS 57 6 11 1 Catchment Slope equal anea inostrani ei E tonsenedetuaseanacenceneeses 58 6 12 Network Edit r Hydraulisia aaae a i ea eiaa a ai 59 6 12 1 Cover RL mode Grate RL mode and Sump offset nnesessosseoe
43. Pit gt Setout tab E Drainage Network Editor Catchment Pit Pipe DEFAULTS gLogat Default data For blank Fields Catchments Pits Pipes Cover RL mode Grate offset oc Jef sane oft pi Inlet data Select Choice Ku method ku Kw 0 via C K pit centre Ku config Preferred r D Setout String Manual Setout data Setout xw mode Pit Centre 7 Setout adjust eS Sebouk z mode Cover RL 7 Roadch mode Na Road F Sele t Choice X Choke Factors Setouk String Sag pits Minor 1 ap LO M Eai Fits on grade Minor MS Tin See Max Qbyert OS Inver Sump Invert Lover RL retwork 2 Pit ffs ae t Pik Ware Seb arash sts et Pit Details grada Pipes o W pts 4 et Pit Details ie Model drainage network Revised 17 Sept 2007 aag Setout xy mode Pit centre is the centre point of the manhole the intersection of the joining pipes Often the setout point for a man hole or catch basin is not the centre of the man hole but rather a point on the kerb or back on the foot path The setout string option will drop the centre point of the manhole onto the closest string in the Road design model list speci fied on the Global gt Utility models tab Setout z mode options are listed in the panel This levels are used in the pit schedules 12d Stormwater Design Course Notes Part 1 Page 67 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN
44. Run button is selected the discharges are calculated the HGL check is performed and the pipes sizes and inverts are designed 1f selected The plan and long section drawings will also be 12d Stormwater Design Course Notes Part 1 Page 80 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN updated with the new data if selected The HGL values will also be available on the 12d section views when profiling the drain age strings The colour of the HGL line may be changed via the view s menu button then Settings gt Drainage Section 1 my drainage gt 1 mi Corridor Draw tolerance Drainage E Drainage Annotations a Ibs x Extend Geom annat viet 1 a Grade annot Show HGL y Utilities A Hal colour yellow Delete SSS Colour Set Finish Help Regenerate Plotting 8 4 Importing Text into a 12d model Formatted text may be inserted into a 12d model by selecting Drafting gt Text and Tables gt Create edit paragraph text Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 81 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN W Text Creation Edit o xj Change to File Select the folder icon and then pick the formatted Text Input Type Fe text file It will be displayed then select Set File Next select the location in plan for the text Text File lh hydrology rpt ol
45. TNg 69 00 e9 O OF O zO 2S0 f ur Sl PAeOd Ad TSH Ta 32 25 Le Fe Fe FE Oe 69 LZ 2 TI sa adta OT ie Os Lz oe 92 2g Lg 53 Gg 1m TI SA adta EPST eo Ts FLES m0997 L280 eu YT mrs Baie 6 TO2 OS O Sf Le Bb LE FO LE O8 LE 9T O 9T O o0 2 03 9 O eee StP o cLe se LE Se SP se OF F 8e 0 0 ce2 O oo se 2 Oo4 9 LO 9P S FS Se PSSZ ALL S 8b he goo ze 0 a0 g POA E E ZTT 68 0 OF Le OF Le L6 LZ LE SE 6F O OF O o0 2 03 2 LPL PE T LESZ LEOZ S6 8zZ TO 6Z Zz9 0 Foo o0 2 z 02 T Ut T 4 ur ur ur ur ur ur SPEEA apeI5 TSH TSH Sq TSH EN TSH FSOT PESU L PES ANH ny aI TSH 4td Sq adtd adt q 4td so adtd SS07 Peay d Ifd SA adtq 6P BE FRE TST GP Zz SZT T50 EZAT 5788 6 09 4 ZE BE rs es LST oz ag T T570 869 60 ESPZ 209 5 Sa LE ZFS ti 2 ai 597Z LLO O FPS P TZP F ODE 076Z ZFS STZ PoE LETT 570 PPS ZETE 02 2 6008 Taz 60 T soz 3570 Z2 0 E amp PST LEE 2 09 T m 5 1 S00 5m 00 S T S T Td 33813 gy fdect deo oay ftso4 Tea WyyOsuaA Tea JY D JA Tea OT deog mota SoTa ar 4Td So Tea Aatoedeg yadeg atag Yyadeq miog ada Ttng dest t Aqatoede adfa adta o o07EST oo OT TES 87T TOO 00E Te TE Zz E043 o o07EST oo OT o z8 Z2 T 6st oO Ost FR ST 2 2095 o Gz 69T eo OT 5375F STZ 6sT oO Ost T 6F 2 FE o EL TOST LE OT POP aT z 6sT o OS Ga PS Z 0942 g oo S9T oo OT a oP STZ TO O ji 00E ee oF Zz zoom i AUT UTM ut T ES m hs CUT mr
46. and the plots will be send to the plot file stem entered These models may be added one at a time to a plan view to inspect them before plotting to paper or exporting to other draw ing packages 12d Stormwater Design Course Notes Part 1 Page 94 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 13 0 Working with Kerb Lip Strings The reference point for kerb inlet pits is usually on the kerb lip string or a fixed distance off the string The rest of the strings only complicate the picture so we will take copies of the kerb strings to be placed in another model Isolating the kerb strings into a separate model and joining them together is the recommended way to work with them This may take a few minutes but sometimes you have even less time than that So first lets look at how to pick kerb strings quickly 13 1 Picking kerb strings name snap Strings generated by 12d have specific names attached to them The lip string is often called lok Therefore if we could restrict our string selection to those strings named lok it would make placing the pits very efficient We are going to do this with the Name snap There are 3 types off snap tool bars available Standard vertical and horizontal To obtain the standard snaps toolbar select Utilities gt Snaps gt Snaps and the following snap toolbar will appear E Select Name and the following panel will a
47. ater Design Course Notes Part 1 Page 99 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN To obtain more working area hide the Output Window Window gt Output window From the main menu select View gt New gt Section View Now Select Profile on the section view tool bar and then pick the kerb string in the plan view Your screen should now look like the following 4d Model 4 0 B2 nt x86 Project C 4dJobs Courses 4 00 Drainage local road Projects File l O Edit View Models Strings Triangles Templates Options Plots Snaps Utilities User Undo Window Help SET eee x Pl LV Gl CM HI Th st iv Plan 1 1 Illl Par Pans Zoom Shrink P RE Section 2 drainage kerbs joined gt kg Dx Profile _ Fit Par Pans Zoom Shrink Regen Prey Toga 5 2 O Pl lani Mg Section2 4 For Help press F1 NUM 7 Astar 4 4A Micros 2 Find Fi BY Micros Ay Explori Y Explori SP diecto 4d M Z Contac B Find BVES 3 32 Place your pointer in the section view and notice how the cross in the plan view indicates your posi tion in plan 12d Stormwater Design Course Notes Part 1 Page 100 of Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 14 0 Training Check List Network plan convert from strings insert append delete and move pits Network Ver
48. consists of the optional 12d Drainage Analysis utilities startup configuration files for RAT2000 XP SWMM and the 12d drainage configuration file drainage 4d All setup files have been configured for the training version However when you start working on real projects you may want customise the drainage module More Customising the drainage module The drainage 4d file contains pipe types RCP Class 2 etc and example pit inlet capacites for inlet pits Detailed pit type descriptions and internal pit dimensions can be included in this file to be inserted into your pit schedules For PCdrain and Drains users there are routines to read your gully pit database files and create the drainage 4d file More REVIEW THIS DATA CAREFULLY The drainage 4d file may be customised for any additional inlet capacity data you may have To edit the drainage 4d file from the main menu select Design gt Drainage Sewer gt More gt Edit drainage 4d Select the Find button to search the 12d path for the current drainage 4d file Select the More info button Drainage 4d ldrainage 4d and then Open to edit the file Po E Edit ora pense You must restart 12d for these changes to become active Select Project gt Restart 12d Stormwater Design Course Notes Part 1 Page 6 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 0 Survey data and design surfaces TINS We will begi
49. cription Type Defaults Pop Up Data source source box model data source for strings to be converted Model for drainage strings model box The new drainage strings will be added to this model If it does not exist it will be created Flow direction choice box same as string direction same as string direction if the strings have been drawn in the direction of water flow opposite to string direction if the strings are drawn opposite to the direction of flow Process button Coverts the strings to the drainage strings Finish button Removes the panel from the screen Important notes The imported strings must all be drawn in the same direction Either all in the direction the water flows or all opposite the direction of flow Pits are created at all vertices on the strings Trunk lines must have a vertex where the branch lines join 12d Stormwater Design Course Notes Part 1 Page 24 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN String names can be used to control the order in when the drainage lines are numbered These names will be transferred to the 12d drainage strings Later the string names can be changed in the Drainage Network editor The drainage lines must have string names to use the Set Pit Names feature on the network edi tor Pits can always be renamed in 12d after the import is complete 5 5 Drawing the Drainage Network in 12d T
50. d O Import You may also select to limit the output if desired If you like using spreadsheets for data entry the PCdrain data and ILSAX data formats are useful for adding data for the first time for either program Select Run to place the data on the clipboard Back to Editor 12d Stormwater Design Course Notes Part 1 Page 88 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 11 0 Manhole Pit Schedules Manhole pit schedules or construction tables are generated in tab or space delimited formats This panel is accessed from the menu selection Design gt Drainage gt Reports gt Pit schedule Drainage model name drainage network Pit Schedule file name Pit report tet Report Fformat Data delimiter Repeat header for each drainage string Model drainage network gt exists This routine prints the calculations from the last time Set Pit Details was selected in the Drainage Network Editor The fields and buttons used in this panel have the following functions Field Description Type Defaults Pop Up Drainage model name input box drainage network model containing the drainage strings Pit schedule file name input box pit report file to be created Report Format choice box Road chainge Easting file format Data delimiter choice box Tab Space tab delimiters are best for spreadsheets and space for some text editors Repeat heade
51. d 3 Data for the remaining methods is entered in a similar fashion 6 11 Tc Path Strings These strings are used to calculate the time of concentration for the impervious and pervious areas For each catchment set they are drawn in two models one for the impervious paths and one for pervious paths The models are specified using the Catchment file field on the network editor Global gt Utility model tab The 3 rows in the catchment file correspond to the 3 catch ments available for each inlet Therefore it is possible to have a maximum of 6 Tc paths models Key Points 1 Each Catchment set may have 2 Tc paths models Pervious and impervious paths are kept in separate models 2 End the Tc path string near the inlet that it is to be linked to 3 Enter the paths models via Catchment file field on the network editor Global gt Utility model tab 4 You must select a Tc method explicit or implicit via the Defaults gt Catchments tab or the Catchments Tabs Just specifying the models is NOT enough Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 57 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 Select Set Catchments to perform the calculations of length and slope The tc strings can be drawn in the same way as the catchment strings but make sure that you change the model name first The tc string model is then entered in either the impervious or pervious paths
52. d Poor water impacts the opposite wall of the pit and exits on the side wall Introduction to 12d Ku Kw Calculations The following description is a very general overview of the Ku calculations in 12d For a detailed description please see the 12d forum site http forums 12dmodel com When 12d uses the Ku and Kw Charts the values of upstream pipe angle Qgrate Qoutlet Upstream diameter outlet diameter and pit depth outlet diameter are calculated and used in the Ku Kw charts Three cases exist which determine which chart is used Case 1 Pits with 100 Grate Flow The angle between the ground approach flow and the exit pipe is measured Charts compiled from Sangster et al 1958 are used G1 is used for angles less than 15 degrees rare and G2 for angles gt 15 degrees 12d s names GI and G2 can be referenced to other publications in the table below Case 2 Pits with More than 50 Through Flow 12d has 10 charts T1 T10 compiled from the Hare 1981 and cross referenced to the QUDM and ACTDS Charts In general T10 charts have greater losses than T1 charts Case 3 Pits with between 0 and 50 Through Flow With the flow condition between grate flow and through flow a K value interpolation is per formed based on the percentage through flow Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 61 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 6 12 3
53. d Surveying Software COURSE NOTES STORMWATER DESIGN The service clash Catchment Pit Pipe DEFAULTS GLOBAL model list is entered on Global drainage data the Global Utilities Main Utility Models Model field Catchments Catchment file Catchment labels model Label textstyle Ae Auto rename cakchment polygons Road design Road design file road string file road_des 5 Overland Bypass Flow a ee a eed ol po nae vel a i I My I l d z Po cal To create a list enter a Service clashes list name select the Service clash file service clashes clash folder icon and then J o a select Open en St ee W n een Cee B Service Clash File i jox In the Service model column RB to select the model Enter Minimum Clearance for the serv ices in this model Include an extra amount for Service clash file services clash C Read write the thickness of the drainage pipe If different E E clearances are required for different services Clearance then place the services in different models 1 services EE Warnings will be issued when you Regrade Pipes Set Pit details Import or Storm Analy File saved sis Cover levels or fixed inverts can be used to Finish Help Z avoid the services j Output Window _ O PROBLEM Clash at line 2 ch 6 003 with service DN300 WATER Clearance 0 471 lt 0 500 PROBLEM Clash at line 3 ch 10 191 with service DN300 W
54. d long section drawings S Grate level is the reference elevation for freeboard calculations S Setout level construction setout levels These levels can be set to be dependant on each other or completely independant Also there are several options for determining these levels These are described below Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 25 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Pit Level z Options There are currently 9 modes for determining the pit levels Aei xj Cover RL this ensures the level is the same as the Cover RL not available Cover RL for Cover level FS Tin e NS Tin FS tin The level is obtained from the finished surface tin at the pit centre Setout String 52 Setout String NS tin The level is obtained from the existing surface tin at the pit centre ee i Setout String The pit centre is dropped perpendicular onto the setout string Sump Invert and the level is obtained from the elevation on the string Manual Sz Setout String an offset is added to the level from Setout string described above Max Obvert all connecting pipes usually open channels are checked for the highest obvert DS Invert the invert of the outlet pipe there is only one Sump Invert the lowest pipe invert plus the Sump offset Manual The user must manually type in the cover levels rarely used as a default 5 7 Pit Setout
55. d may be manually moved using the CAD toolbar but if the model is relabelled the text will return to its original location Text moved via the Drafting gt Multi string translate will remain in the moved position when Smart Clean is selected in the Plan Annotation panel Before selecting text turn on your teXt snap Tega a To move a single line a text use the CAD m toolbar Select the Move text justify but e el amp ton To use this toolbar you must DRAG a x x a as x a the Create text button to the right E and then release when the pointer is on the Move Text Justify Point EEA YB FX Move Text ustiy Point To move a pre defined Group of text select Drafting gt Multi string translate ioii Mame Group window Select Group and then pick and accept one of the text items in the group Move it to its new location and accept Note To move another group you must select the Group button again 6 8 Catchment Areas Key Points 1 You can enter the catchment area manually ha or acres and have no drainage string 2 When drawing catchment polygons start near the inlet for auto linking 3 3 catchment sets are available and all catchment polygons must be in these models 4 Specify catchment models via Network Editor gt Global gt Utility Models Catchment file 12d Stormwater Design Course Notes Part 1 Page 44 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveyin
56. deg E EZE Af i4906 A So 1 3 Australian Rainfall and Runoff 1977 Method Help The seven coefficients for each return period from ARR 1977 are entered in this table 12d Stormwater Design Course Notes Part 1 Page 76 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Network Rainfall Sil EJ Rainfall location file srra 12dhydro Read Write ARR 1977 Polynomial coefficients For pre defined Return Periods Rainfall Methods IFO Table Return 4 B C D E F G ARR 1987 Period ARR 1977 ili 2 8356 0 653 0 0475 0 02647 0 00124 0 002107 0 000204 22 3 0966 0 6669 0 0541 0 02994 0 001906 0 002457 0 000239 315 3 3669 0 7178 0 0741 0 0451 0 003726 0 0041352 0 0004227 4 10 3 4971 0 73 0 0853 0 04462 0 005528 0 0039794 0 0003366 5 20 3 6511 0 7471 0 0928 0 04868 0 006337 0 0044 0 0003738 g 50 3 8104 0 7659 0 1036 0 05263 0 007596 0 0048175 0 0003939 7 100 3 9186 0 7775 0 1095 0 05478 0 008397 0 0049816 0 0003921 Find Finish Help 8 2 Drainage Network Design The Storm Analysis button on the Network Editor executes the 12d drainage design plots the drainage long section and plan annotation and prepares the hydrology and hydraulic design tables Se ee a a as From the Drainage Net Model drainage network String je network Pit work Editor select Storm Analysis The Set Pit Names Set Catchm
57. e tin data with the greatest z values when viewed from the top side 12d Stormwater Design Course Notes Part 1 Page 16 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 9 Creating a Super Tin from the Survey and Design Data The drainage fs tin may be used to set pipe inverts pit levels sag catchment overflow points and catchment slopes for tc strings Therefore the tin often needs to include several tins combined into one tin To create a tin that is the combination of the survey data and the road design data you will need to create a 12d super tin From the main menu E Create Super Tin New Cin name Tin colour Tin style Model For tin tin combined z Notes about super tins tin colour is only used in section views the super tin is the 2 tins glued together the super tin is Opaque so it will cover up other models already on the view Use the Menu button on the View toolstrip and select Models gt models to back and select the super tin tin is the tin on the bottom like the levels in a building and tin 2 is above i e wherever tin 2 exists it will be used If there is no tin 2 at a location then tin will be used tin flow arrows are not available contours can be displayed but not created for export 4 10 Changing the Colour of a Tin To emphasise the super tin is just the 2 tins glued together we will change
58. ec tangular 12d uses circular pits to eliminate problems showing the alignment of the pit If the actual size and orientation of the pit are needed on the final drawings a symbol may be used in the drainage plot annotations For rectangular pits dimensions and a detailed description can be added to your drainage 4d file mhsize command so that they can be added to your pit schedules The diameter can also be set in the drainage 4d file via the mh_diam command The Diameter is used for 1 for visual service clash identification in long section drawings 2 to clip the pipe lines drawn in the plan annotations so that symbols can be inserted in the space created 3 maximum distance the bypass flow strings can be drawn from an inlet centre E Drainage Manhole Defaults Saks Diameter Drop Mame Type The minimium drop will be used to set the invert level of the outlet pipe relative to the invert level of the inlet pipe The drop should always be entered as a positive value The network editor has many more options for aligning the pipe inverts at the pits Generally do not use a default name Leave all of the pits unnamed and then use the Set Pit Names function on the drainage network editor The pit type is selected from a list by selecting the icon beside the Type This list is obtained from the drainage 4d file This pit type will be used by 12d storm analysis ILSAX PCdrain and RAT HGL RAT2000 and XP SWMM to identify the inlet
59. ect the plot button and then Drainage plan 2 Plan 1 eukela 4 Plot Plot Frames Drainage plan Note The following panel has been reduced in size Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 41 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Ef Drainage Plan Plot PPF Editor IES Ioj xj Plot parameter File Read write Load design details From drainage netwea Drainage Plan Plot Model Save plot annotations to Model drainage labels a Clean plot model beforehand smart clean Help Plot Find Finish E Location 2 The Plot Button on the Drainage Network Editor The following panel will be displayed E Drainage Network Editor Plot Seles Drainage model drainage network Generate plan annotations Drainage plan PPF drainage _desigr DRN PLAN PLOT Model for plan annotations Full clean of model beforehand your manbole labels Generate long section plotisy Select Plot tions onto the plan view 12d Stormwater Design Course Notes Part 1 Page 42 of 102 Select your drainage model Enter a model name for the new labels Select Plot Now add the drainage labels model onto the plan view This option can plot both the long section and plan at the same time Select a ppf file from the library drainage_design Enter a model for the plan annotations Select Full clean m
60. ents Set Pit Details Regrade Pipes following design panel String Editor Import Export Storm Analysis will appear Invert levels reset see problems in Oukput window ma A e l Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 77 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Network Editor Storm Analysis Drainage model drainage network Storm Factors Average Recurrence Interval years 5 LIB ALIS OLD Cairns 12 Rainfall location File Rainfall method SU b Pipe travel time method It Li assumed pipe vel T E Fartial area effects Generate plan results Drainage plan PFF LIB drainage DRN PLAN PLOT 5 Model for plan results Network design Factors Consider bypass Flows Ensure pipe G Ocap Modify pipe inverts Modify pipe sizes Preferred pipes file LIBi metric pip C Upsize only owa ano o Generate hydrology report Report type Formatted i Hydrology report File hydrology rpe x z Full clean of model beforehand F Overwrite existing report File Generate hydraulic report Report type Formatted a hydraulic rpt So Overwrite existing report File Generate long section results Drainage long section PPF design drainppf T Model stem For long section results DRN L NG PLOT Hydraulic report File Clean modelis beforehand Run Back to Editor Storm Factors
61. er the file name and then select the folder icon followed by the Edit line The following panel will appear The diameters heights are required and the width is optional to specify a box culvert YOU MUST SELECT THE WRITE BUT Diameter or Height TON The Upsize only selection will stop pipes in the system from being reduced in the design Regard less of this selection the 12d design engine will not allow a smaller pipe to be selected in the downstream direction Pipe Sizes too Large A few comments on why you may have large pipes in your design After cheking the design dis charge consider the following If one pipe is sized large then 12d will not allow a smaller pipe downstream So when pipes seem large check the most upstream large pipe HGL restraints will require you to look downstream of the large pipe Check List 1 High roughness values accidentally setting roughness to Manning with a 0 6 roughness value Colebrook 2 Grate levels not set correctly Freeboard is measured from these levels 3 Pipe min pipe cover set very close to freeboard 4 Selecting b Ensure Q lt Qcap b in the storm analsys dialog This is required by some authorities but can cause larger pipes in flat areas 5 NOT selecting b Modify pipe sizes b in the storm analsys dialog 12d will not change the pipe size 6 Selecting b Only allow pipes to upsize b in the storm analsys dialog 12d will not check if a smaller pipe will do Rev
62. explicit settings for the hydraulic parameters The explicit settings for the parameters described on the defaults tab will also be found on the Pit or Pipe tabs Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 59 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 6 12 1 Cover RL mode Grate RL mode and Sump offset GS Drainage Network Editor loj x The cover level is used for the top of the man hole structure and is used in the long section plot Catchment Pit Pipe DEFAULTS gLogaL Default data For blank Fields Catchments Pis Pipes ting It should not be Cover RL mode FsTin confused with the grate Grate RL mode Setout String Sump offset lo rl or the Setout Z mode Ne aoe SS SS i Tats Both Cover RL and Grate RL modes has the same options with the exception that the Grate RL mode can be set to the Cover RL model so that both always have the same level Select Choices The grate level is set via the Grate rl mode This level is used by 12d when Saree determining the freeboard level and when calculating depth of flooding at F5 Tin SAG pits The grate level is often exported to other design packages NS Tin Setout String Most Grate RL modes need no explanation The Sz Setout string is a good 5z Setout String option when the grate level is a constant offset from the setout string Max Obyvert Manual The Sump offset creates a s
63. f Pipe type e JA To specify a box culvert fi Pipes in your network select hb the pipe segment and enter a width for the pipe Other properties FT pua EE en Pe am Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 65 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN For box culverts the design engine increases the widths and maintains the height through the availa ble sizes Once the maximum height has been reached the next culvert height and minimum width is checked 6 13 3 Pipe Size Design E Drainage Network Editor Catchment Fit Pipe DEFAULTS GLOBAL Pipe downstream of current pit Pipe connections I5 ko Hil Main Design Invert design Lock US Invert Lock OS Invert On the Pipe gt Design tab the Lock Pipe size pre vents the 12d design engine from resizing the pipe Max pipe height can be set for each pipe segment there is no default for this value If the 12d design engine requires a larger pipe then multiple pipes will be selected yia l l Pipe size design Lock pipe size i I a r j j f 6 14 Road Design File for Pit Setout x y level road chainage and setout offset The road design file is used to automatically link the pit to a road setout string and a road centre line string Explicit picking of these strings may be found on Pits gt Setout gt String selection These strings may be
64. g Software COURSE NOTES STORMWATER DESIGN 5 Network Editor Set Catchment button links the polygons and calculates the areas 6 Once a string has been linked to a inlet it will remmain linked until it is deleted or the link has been cleared Clear Catchment Links on the Globals gt Utility Models tab 7 Manual linking available via Network Editor gt Catchments gt Pick button 8 Manholes set via cap_config in drainage 4d or Inlet config on the Pit gt Main tab cannot have linked catchments 9 Use the CAD polygon tool for drawing catchments OR close the string for SAG pits 10 You may fill the strings using Utilities gt Super strings gt Fills 11 You can disable the auto selection of a string via Right mouse on the pick button then select Clear The catchment strings may be drawn in a CAD package and then imported into 12d or drawn inside 12d The strings may be easily drawn in 12d with the tin contours and or flow arrows dis played in the plan view When a catchment string 1s created to define the area for an inlet then all other data entry types will be ignored and the area from the string will be used There are 3 sets of catchments and it is up to the user to decide how they are to be used roads lots and park land for example Often set 1 will be all the impervious areas and set 2 the pervious and set 3 for special areas Each set has its own percent impervious The 3 catchment sets are drawn in three different models
65. gether with Pipe properties the 2 pipe cover modes as Select Choice td foll Roughness t toughness OLLOWS j i Min Depth se aes Direct pipe flo win Grade Colebrook k in mm The tin specified in the Grade from DS Global Main Finished meci Gectm Seles aS verte a Surface Tin field is used Grade mode Cover limit f1 bi for these calculations The Min grade L JE description below aan mode rana han Ae inverts have been manu Ed ally locked Select Rhoice Pipe size design Design mode sed Pipe Freeboard Design Freeboard limit 4oL o1 Drop 0 3 def 100 S ii m RoTa Ne a WE oe de io i NOTE Invert design parameters are set on the Pipe Design tab not the Pit tab The Alignment mode refers to the DOWNSTREAM INVERT ONLY 1 The initial pipe grade is set as the Minimum grade Minimum Grade mode or the grade between the ground levels at the pits Minimum Depth mode Even in the Minimum depth mode the minimum grade constraint is checked 2 12d shifts the pipe down so that there is at least the Pipe cover limit along the pipe The Pipe cover limit should include an amount for the pipe thickness 3 Inverts are moved down if required according to the setting in Align mode Obverts are aligned using OL OL Drop with a zero drop in the Drop file Similarly the inverts are aligned with the IL IL Drop mode Min drop ensure that the inverts drop a minimum of the specified drop in the file but the drop may well
66. he following method of drawing the drainage pipe systems has proved very efficient in the past However many people will have their own tricks of the trade Therefore the rational behind the following procedure will be important for the user to understand when they want to try out their own procedures Key Points 1 Draw the pipes where they actually are Do not place the pit centres at the setout point and have the pipes in the wrong location pipe cover will be affected Use setout strings for setout points 2 Drawing all drainage lines in the same direction may help you keep your drainage work organ ised Either draw all string uphill to downhill flow same as string direction OR downhill to uphill flow opposite to string direction 3 The Drainage Network Editor Regrade Pipes is the key to setting pipe invert levels Use this after modifying the drainage plan layout as it will update all initial grading described below However 12d will perform an initial grading as as you draw the string If you choose opposite to string direction then will need to select Pipe gt Default Grading then Grade to have acheive this initial estimate If you create branch lines before the trunk lines the initial grading will ensure the trunk line inverts remain below the branch line 5 6 Pit Levels cover level grate level and setout level 12d has 3 levels for every pit cover grate and setout s Cover level is used for the section views an
67. he view With the Auto Profile P enabled the same will happen for the section view The image below has the auto profile turned off note the blue trim on the P button Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 35 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN With Auto Redraw R enabled the editor will regenerate the section view when changes are made in the vertical This saves selecting Regen on the section views Model drainage network String idrainage n Pit sd Set Pit Mames Set Catchments Set Pit Details Regrade Pipes String Edit Import Export Storm Analysis R pick Edit E lt lt Apply 6 3 Set Pit Details Selecting Set Pit Details will set the cover levels and setout coordinates for all of the pits in the net work Other attributes are set as well but they will be discussed later 6 4 Regrade Pipes Selecting the Regrade Pipes button regrades all of the pipe in the network Minimum grade and cover are checked and trunk lines are lowered to accept incoming branch lines Grade 1s calculated using the pit centre to centre distance Locks and explicit settings for pit and pipes will be discussed later in these notes To inquire about the cover on a pipe use the following option Invert 1 55 Centre 1 325 Obwert diam 0 450 ch 110 193 x 5239 039 y 7322 036 z 26 117 Finish 6 5 Set Pit names and pipes Use the drainage network
68. ign gt Drainage Sewer gt Rainfall Editor Data is entered using one or more if desired input methods and then saved by entering a Meteorol ogy file name and selecting Write The standard 12d system file search paths are used project folder user library folder and then library folder Select the folder icon and then walk right on the Lib item to display a list of sample files Select a file the select Read YOU MUST SELECT THE READ BUTTON E Drainage Network Rainfall Rainfall location File Rainfall Methods 2 IFO Table gt Folder 12dhydro Select o AUS ACT Canberra 12dh hydro Lib AUS NSW Weweastle 12dh hydro eati AUS NSW Sydney 12dhydro AUS NSW The Entrance 12dhydra Browse AUS NSW Wollongong 12dhydro Delete file AUS NT Alice Springs 12dhydro 8 1 1 IFD Tables IFD tables are often available from meteorological services The table input format follows The first row is used to define up to 9 return periods and the following rows list the rainfall intensities for the duration entered in the first column 12d Stormwater Design Course Notes Part 1 Page 74 of 102 Revised 17 Sept 2007 COURSE NOTES 12d Solutions Pty Ltd Civil and Surveying Software STORMWATER DESIGN Hint to increase the size of the grid control select another method ARR 1987 for example and then select IFD table again E Drainage Network Rainfall Rainfall location file srra 12dhydro a Rainfall Meth
69. ised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 79 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Generate Results in Plan This selection automatically runs the drainage plot annotation function A Drainage plan ppf must be entered and samples are supplied in the 12d library A Model for plan results is required if this option is selected The Full clean model before hand tick box forces the model to be cleaned before the labels are created When not selected a Smart clean is performed Generate Results in Long Section This selection automatically runs the drainage long section plotter A Drainage long section ppf is required and examples are found in the 12d library A Model stem for long section results is required if this option is selected In almost all cases the Clean model before hand tick box should be selected Generate hydrology report The hydrology report may be formatted for inserting into a 12d model text editor format ted or spreadsheet comma or tab delimited In almost all cases Overwrite existing report file will be selected Generate hydrology report eae A Report type Formatted Select Choi E Hydrology report File lh ydrology rpt Eeid Overwrite existing report File Comma delimited Tab delimited p hydraulic report Report type Formatted 8 3 The Run Button and HGL data on the Section View When the
70. l locked to either discharge into a waterway or join into an existing drainage system When the most downstream pit is selected the following fields will become active on the Network Editor Pit Main tab If these field are not active and you think you are at the outlet see Flow in the Wrong Direction Jrainage Network Editor S20 E3 Minimum will use the least of the Critical or Normal depths If a fixed Current pit level is available for the minor and or major Main Setout Bypass storms these value may be entered here Catchment Pit Pipe DEFAULTS GLOBAL Pit type rT ibe The Ko is the loss coefi di ient for the exit losses Pit diameter Pi WH L cient ft into the downstream sys Inlet data tem i O Outlet data Tailwater mode Minimum Doo i Spee OTS a 6 13 Pipe Design Parameters Sizes Invert alignment Min Cover Max Height The invert levels during design are controlled by the pipe sizes max pipe height min pipe cover and invert alignment mode Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 63 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 6 13 1 Invert Alignment Modes rainage Network Editor Ppt 12d has 4 design modes for setting the pipe inverts Catchment Pit Pipe DEFAULTS GLopat upstream and down Default data for blank Fields stream of the manholes Catchments Pits Pipes These work to
71. lder this files select the Properties button Folder Cil2dietis Courses 00 Craina fis write Properties Finish Help Label Catchments Finally select Set catch ode drainage network aie ments This will link the Set Pit Names Set Catchments Set Pit Details Regrade Pipes catchments to the inlets and String Editor Import Export Storm Analysis label the catchments Now add the model labels onto the plan view picked eR gt Apply Finish 12d Stormwater Design Course Notes Part 1 Page 50 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Bl elelee ala There are some cases where linking the closest inlet to vertex is not feasible In these cases you may manually link the inlet to a catchment Catchment manual link The manual links are used when the first point on the catchment string is closest to the wrong inlet Note that the following restrictions still apply 1 The string selected for catchment must be in the model for set 1 To check if you have selected a valid string select the Set Catchments button 2 If the catchment string has already been linked to another inlet automatic or manual then the new link will be created and the old link erased 3 If you change the catchment model for one of the sets on the Network Editor gt Global gt Util ity Models gt catchments than all of
72. mation panel also indicates the snap was a point snap p Fit Pan Pans Zoom Shrink Prev Toole 2x 2x Plot t Information x model drainage network name 2 tupe Drainage colour blue Firm efor ol 4 You can tell that you have created a junction pit correctly when you profile the trunk line and you can see the branch lines joining at the junction pit If the branch lines are not shown then one of three things have gone wrong 1 centre of the pits did not align Use Strings gt Points Edit gt Move to move the branch string pit 2 the downstream end of the branch line must be the junction pit With the direction of flow for the string set to same as string direction the junction pit must be at the high chainage end of the string If the direction of flow for the string set to opposite to string direction the junc tion pit must be at the low chainage end of the string To check the flow direction see Flow in the Wrong Direction 3 The branch string and the trunk string have not been created in the same drainage model From the main menu select Strings gt Inquire F2 and select the strings to check their models If this is the problem use Strings gt Edit gt Change and specify the correct drainage model enter the model BEFORE picking the string or Strings gt Edit gt Duplicate to duplicate one of the strings into the correct model 5 10 Exact Methods for Placing Pits To place
73. methods and values for the pervious and impervious areas Since each catchment may use a different tc method all of the tc parameter fields on the defaults tab are active They must be filled in even if you do not plan on using that value 12d Stormwater Design Course Notes Part 1 Page 56 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Network Editor Catchment Fit Pipe DEFAULTS GLopaL Default data For blank Fields Catchments Pits Pipes Set 1 Impervious so o Set 2 I mpervious a0 a0 Set 3 Impervious Impervious Pervious Tc method Direct poe E Eu Select Choice X e Direct Slope 5 l 8 Friend Equation Kinematic Wave Retardance oms anes Bransby Williams Equation Te minor 5 QUDM Velocity Table Tc major Tc major E a A ma u e big L e a i ma 1 Direct method requires minor and major tc values 2 Friend Kinematic Wave Bransby Williams and QDUM methods require the retardance length and slope of the catchments to be entered Default values must be entered but the optional explicit settings for slope and length can be entered on the catchment tabs or a catch ment characteristic strings may be drawn see Catchment Tc path strings The length of this string is used for the length parameter and the design tin is used with the string to calculate the slope using the equal area metho
74. module contains functions to perform the following steps in the drainage design and documentation process This user manual will lead the user through the steps itemised below S S S set drainage defaults and layout a drainage network use the powerful 12d drainage network editor to avoid service clashes grade pipes align obverts minimise depth and many other design tools automatically assign names to the pit pipes in the network designate catchment areas and produce catchment plans transfer data to and from electronic spreadsheets to enable the user to easily review the data and add user defined data to the 12d pipe network This data may include such data as pipe bedding types and trench width create pit setout schedules to export to spreadsheets or word processors for final for matting Running the 12d storm analysis calculations produce long section drainage profiles including HGL data flows invert levels and service crossings create plan drawings with pipe sizes flows pit symbols linestyles for pipe sizes design parameters for pit and pipes and user defined data locate pits manholes at exact chainage and offset locations In addition to this manual there is the Stormwater Design Part2 training manual which includes the following topics S S S S S S drainage trench excavation volume calculations pipe and pit quantity calculations customising the drainage 4d file design or evaluate
75. mple and then use the Strings gt User gt Set String Name by number command Flow direction It should be same as string direction if drawing uphill to downhill or opposite to string direction if drawing downstream to upstream All of the strings in the model can have their direction changed later using the Design gt Drainage Sewer gt More gt Reverse all strings command To graphically check the flow direction of all strings see Flow in the Wrong Direction 12d Stormwater Design Course Notes Part 1 Page 28 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Manhole Pipe Controls Connections Utilities 2 Float Info Unde Redo Quit Finish menu We are going to place our manholes on the back of kerb near the vertices of the layout that we imported Name the eastern branch line 2 the west branch line 3 and finally the trunk line running from east to west 1 The drawing below shows the manhole names You will not see these names as you draw the strings but we will create them later To create your first manhole on line 1 select 1 Edits gt Append A MH will appear with your pointer 2 LB and accept each manhole location starting at 1 1 3 LB the Finish button after the last manhole is placed 1 4 The Create Drainage String panel will appear again for you to create additional drainage strings 1
76. n a 12d project from the beginning by first creating the project and then reading in the survey and design data The data can then be triangulated so that we have a final surface to measure pipe cover from and set structure cover levels to Start up the 12d model by selecting the 12d icon from your desktop hy 12d Model The project selection panel will appear The bottom corner of the panel is shown below Se UP UT ar WE Project to open Folder C 12djobs 8 00 Courses Drainage 1 Project Storm water Part 1 Ooo Folder 20 12djobs6 00 Courses Drainage gt exists 12d will first look in your working folder for any input data files and output files will be created here unless you specify another folder 12d stores it s data in a folder not a single file Therefore a folder named Stormwater Part 1 will be created when you select Proceed 12d model will load and you will see the following panel Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 7 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Enter data as desired This data is both for refer ence and can be included on your drawings Later these details can be changed via Project Number A Drawing Number Project gt Management Details Editor Site Address Job Title 1 Job Title 2 Job Title 3 Job Title 4 Client Marne Customer Mame Manager Name Surveyor Mame Designer Name
77. naps cog ERS eed Find by nal create Snap Create Info Divide Cancel Fillet aly Line Between Perpend Projection Tangent Parallel Intersect Locate 2 LB select but do not accept the road centre line control string To place the pit across from chainage 2100 Type ch2100 then press enter 12d Stormwater Design Course Notes Part 1 Page 96 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN a ani odel 2 road cl N Enter XYZ xj name dO02 Enter x YZ chigol i type Alignment colour orange line style CENTER ptiline line length 513 918 Line Snap x 5512 956 v 329 406 z 29 545 prof ch 169 526 prof z 29 545 brg 69 59 59 98 segment length 283 444 e 4 MB accept the inserted point This identifies the point on the control string Next LB select the lip line then MB accept The construction point will be displayed on the lip line Fit Pan Pans Zoom Shrink lok 2 road strings 5355 008 336 406 30 26 30 26 6 MB accept the construction point to place the pit 13 1 2 Placing a pit at a Specific Distance Offset along the kerb string When appending drainage pits the following steps will place the pit at a specified distance along a string and if desired an offset Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 97 of 102
78. ndi cate the final clearance Output Window a jel k INFO Line 2 ch 6 003 crossing service DN300 WATER Clearance OF 0 540 gt 0 500 INFO Line 3 ch 10 191 crossing service DN300 WATER Clearance OF 0 500 gt 0 500 4 Lafai EI Messages After a pipe design run in Storm Analysis details of the service clash data will again be listed in the output window Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 73 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 8 0 Drainage Design in 12d Drainage Design 12d has a sophisticated rational method hydrology and hydraulic grade line pipe design engine In addition it has the capability to export this data to several other popular drainage packages Regard less of the design method selected the drainage network in 12d is updated from the design so that drainage plans long sections and pit schedules can be quickly produced 8 1 12d Rational Method Hydrology Drainage Rainfall Editor The Drainage Rainfall Editor is used to input rainfall IFD data using several methods The data is stored in Meteorology files each file is for a specific location that can be shared between 12d projects The data is edited using an editor similar to those used for the plot parameter files ppf Seven methods for entering calculating the rainfall intensities are shown in the panel below From the main menu select Des
79. odel beforehand if you have not manually moved any of Turn off the long section plot for now Now add the Model for plan annota Note if you rename the manholes you will need to replot these labels Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The text properties can all be customised using the plot parameter file but this will be discussed later in the plotting section These labels are not automatically updated when you change the names or pipe diameters You must rerun the plot routine to update the labels 6 7 1 Turn off View Text Pit Labels To turn off the automatic view text pit labels for this view select Toggle gt Text and then walk right to select the drainage model Do not click on Text rather walk right If you click Text you will toggle on off all of your text on the view not just the drainage model Tor Culling off Linestyles on Sewer na Test on Toggle Model text 1 Vertices oft Vertex no s otf Z values ra String names nz Arc centres off drainage network on Tin contours on Tin edges off Tin Flow ott Tin solid off Grid otf 4 gt Rasters n a a Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 43 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 6 7 2 Moving Text The labels create
80. ods IFD Table ARR 1937 ARR 1977 IFO Table Durations minutes amp Intensities mmfhr OR infhird First row defines Return Pe l B 3 4 s 6 G q Duration RPL Int 1 Bo RF Int 2 foo 07 95 64 05 60 69 afc sa 52199 20 96 RPS Int m 35 26 oiri 06 Z5 o1 61 fio 406 O 92 6c 12 RP 4 Int 10 115 06 10723 100 74 Ee a 30 45 26 Z 2 oo poe RPS Int 20 137 16 e E 119 85 113 19 107 43 102 39 arrai 93 91 RPG Int 0 160 12 156 33 146 57 138 29 l 1 13 124 07 119 42 ns re RFP Int 100 193 23 Lea 166 19 156 56 150 29 143 035 136 61 130 87 Ch TT Finish 1 2 Australian Rainfall and Runoff 1987 Method The rainfall intensities and other factors from Volume 2 of ARR 1987 are entered in this table Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 75 of 102 Teh 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Network Rainfall Rainfall location File srra 12dhydro ORR 1987 Intensities mmihr evr 1hr Map 1 zyr 1zhr Map 2 2yr 72hr Map 3 SOyvr 1hr Map 4 50yr 12hr Map 5 Rainfall Methods IFO Table ARR 1977 Soyer 7zhr Map 6 Other Factors Skewness G Map 7 i e ooo e 2 25 df 0 24 df Geographical Factor F2 Map 8 4 28 df Geographical Factor F50 Map 9 15 5 ef Lat of location deg 5 Long of location
81. older catchments pg ue pur Label textstyle in Suko rename catchment polygons Siac W Catchment File fe a fx Open RB click to select atchment file my catchments Tenoa i Catchment Impervious Pervious of the Polygons Te Strings Te String catch Model Made adel ments used in 2 the CAD 3 control bar above Model dwg d catchments gt exists Finish Every inlet can have 3 catchments row is catchment set 1 row2 for catchment set 2 and row 3 for catchment set 3 The Auto rename catchment polygons will set the name of the catchment string to the pit name that it is linked to If it is not linked to any inlet it will be named not used The model can be checked for not used strings by selecting Models gt String Info Table To label the catchment areas with the names of the inlets they are linked to we need a catchment labels model and a textstyle favourite We need to create a label textstyle favourite if you do not have any favourites defined 12d Stormwater Design Course Notes Part 1 Page 48 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Catchment labels model labels Label textstyle catch labels ga TR ita Impervious paths model Fs Pervious paths model Favorites E favorites T Text style f4 Overland Flow Aa Bypass How model SAE La i Text units world 7 Road design F _ Height tu 10 Road de
82. pass Flow gt Global gt Utility Overland Flow model bypass Flow Models Service clashes Service clash File services clash Clear Catchment Links Clear Road Links Clear Bypass Links T a Fy 6 9 Network Editor Global Default Settings and Explicit Settings Design values for the hydrology and hydraulics calculations are set either globally one value for the entire network or via Defaults for the pits or pipes Defaults values may be overridden by explicit settings found on the catchment pits or pipes tab Explicit pit pipe settings need only be specified if the default value is not desired 6 10 Network Editor Hydrology The network editor edits both the network and catchment data and it has already been introduced in the previous sections This section will discuss the Global Defaults and explicit setting for the hydrology parameters The parameters described on the defaults tab will also be found on the Catchment or Pit tabs 6 10 1 Catchment Areas The catchment areas have already been discussed in the previous section There is no default catchment area to apply to all catchments as would be expected Note If a catchment string is linked to the pit and the Set catchments button is selected this string area will override any manual value that you type into the drain Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 53 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURS
83. ppear Ais Iv Enter lok and select Set Now only strings with this name will be nex E selected Grid B S E W Snap Nara a OIX Height E ae Mal DO o Tin nn in Segment Mame Finish Model Tolerance 50 Data tip E Fast pick Leave the panel up to remind your erase the lok entry and select Set again so that you will once again be able to pick any string When creating a junction pit you will have to snap to a drainage line that is not named lok There fore if you have 2 Snap Name panel open a second one that is blank you can turn the name snap on and off quickly Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 95 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN a Short Cut Just before selecting the string RB then select Find by name from Accept the menu This will display the Snap Name panel Restart Typed input Find by nane Info k Intersect Perpen Snaps Cad MS Snap Name amka N C Cancel 13 1 1 Placing a pit at a Specific Control String Chainage When appending or moving drainage pits the following steps will place the pit at a specific chainage along the control string 1 RB and then select Snaps cogo gt Create gt Perpend from the menu Messages indicating what to be done next are given in the bottom left corner of the 12d window P it Pan Pans zoom shrink Prev Toggle 2x J 2x Plot Menu S
84. r for each line tick box selected when selected the column headings will be printed each drainage line Process button Create the pit report Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 89 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Finish button remove the panel from the screen Notes The columns of data may be separated by spaces or a tab tab is used for spreadsheet transfers The internal width and length data are retrieved from the drainage 4d file for the pit type specified If you want a longer description for the pit then the type used inside 12d this can also be entered in the drainage 4d file The remarks for each pit are entered as user defined pit attribute named remarks and may be set using the attribute editor on the drainage menu or via a spreadsheet Easting Northing Sample PIT SCHEDULE Pit INTERNAL INLET OUTLET PIT No TYPE EASTING NORTHING WD LEN DIA INVLEV DIA INVLEV FIN RL DEPTH REMARKS B1 SA2 5302 458 7336 936 450 000 900 000 375 28 210 29 387 1 177 A2 SA2 5264 372 7322 036 450 000 900 000 375 27 470 28 646 1 226 Cl SA2 5224 155 7336 936 450 000 900 000 375 26 690 27 863 1 173 A3 SA2 5187 910 7322 036 450 000 900 000 375 25 930 27 158 3 628 Al SA2 5309 458 7321 100 450 000 900 000 225 28 550 29 577 1 027 A2 SA2 5264 372 7322 036 450 000 900 000 225 27 470 375 27 420 28 646 1 226 A3 SA2 5187 9107322 036 450 000 900 000 375
85. r the drainage network are accessed through three panels pipe defaults manhole defaults and Tin defaults 5 1 1 Tin Default The default TIN is used to set the initial manhole cover a ml A and setout levels and using with the default cover yet t come the pipe invert levels Super tins may be used if Tin Fs you want to place manholes on both the existing and the design ground surface see Creating Super tins E Drainage Tin Defaults 1 LB the tin icon and select the combined tin 2 LB the Set button 3 LB the Finsih button Warnings about using tins If you place a pit outside the tin boundary S then no elevation will be set for the top of the pit it can be set later manually or by linking it to a design string s Pipe invert levels cannot be set using the default cover Pipe invert levels must be set manually as 12d cannot automatically determine cover levels without a TIN S Finally if your drainage design package accepts surface levels along the string then an error message will be displayed at export time The message will say that the sur face level string is shorter than the pipe length Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 19 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 1 2 Manhole Pit Defaults Notes on pit Diameters The pit diameter is specified in metres feet not mm inches Although most stormwater pits are r
86. referred to as corridor models The ver tical exaggera tion is also obtained from this view plotter ok OSO Heip 12d Stormwater Design Course Notes Part 1 Page 92 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The network model field will be completed with the model of the string being profiled If this is not your drainage network model then select it now When Plotter Type is set to model then plot file stem is the model name prefix for plots that will be created The first sheet of plots will be in model plot1 the second in plot2 etc W Drainage Plot PPF Editor Seles Plot parameter File drainage _long_design drainppF Drainage Plot Plot sheet layout Other parameters fe Tithe black Row per sheet mode more than one r Plot Siete layout Plot height fron 33 Margins l Other paramet Horizontal plot gap imm w H Boxes Vertical plot gap rim Chainages Upright Datum area H Arrows Graph area Top area B Ccormidors bee ea ee ee ee ee ee H Maintenance holes Property contrals r Hatching cut Fill H cuts Primary string name PPF s to include drainage long section plot 1 plot Fei ght e L e Y p The plot height determines how much room is left vertically for the actual plot This specifies the total height of the plot 12d then constructs the box area and arrow area on the bot
87. resesesssssesseerreess 60 6 12 2 Pit Losses Ku and Direct FO W serna aA wane sania Aea Raa 60 6 12 3 Pipe Friction Method Roughness Values and Direct pipe flow cseeeeeees 62 6 12 4 Design mode Freeboard Limit and Flow depth limit ce eeneeeeeeees 62 6 12 5 Outlet and Tailwater Conditions cccccccccceeceeneeseeceececeeeeceaaeesseseecesceceeeeneaneees 63 6 13 Pipe Design Parameters Sizes Invert alignment Min Cover Max Height 63 6 13 1 Invert Alionmient Modes aningen e e E A 64 6 13 2 Pipe sizes Max pipe height and Multiple Pipes and Box Culverts 65 6 13 3 Pipe Size Des iven i dit Sante A N a a 66 6 14 Road Design File for Pit Setout x y level road chainage and setout offset 66 6 15 Calculate Bypass TOW TOUlES lt b be 8 ices e a a E e A na 69 TAQ Service ands Utility Crashes eaa eaan aaao aoaaa aaa Aaa a E a Ta 70 8 0 Drainage Design in 12d Drainage Design scssscsccsccccccccsssssssscscsccsccsccecscsesssscscecesoes 74 8 1 12d Rational Method Hydrology Drainage Rainfall Editor eeseeeeeeeeeeeeees 74 8 1 1 EDAD CS crrertec ber tdenu terete A a clea ests 74 8 1 2 Australian Rainfall and Runoff 1987 Method esesseeeeceececeeceeeesseeeeeees 75 8 1 3 Australian Rainfall and Runoff 1977 Method cc ccceseeseececeececeeceenesseeeesees 76 8 2 IDramace Network Desi Oils ieir OE PEEN 77 8 3 The Run Button and HGL data on the Section Vie
88. s Saris j following panel will appear Selecting spiel EE E f Current folder will save ALL these CiProgram Filesi i2d 12dmodele 00iset_upsidefaults 4d i defaults for projects in this working folder only The defaults set in the user or setups Current folder f directories will not be used if you select Documents and Settings all Usersi12di12djobs Courses this option a User Folder i Selecting User folder will save your CiDocuments and Settings all Usersi l2dii2dmodelis 00huse defaults so that all other 12d projects will i use this defaults This is the most common other Folder option unless your network administrator Folder has not given you write access to this area F check Properties i Select Write then Finish 12d Stormwater Design Course Notes Part 1 Page 22 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 3 Importing Drainage Layouts from AutoCAD We are now going to import a pipe layout that was drawn in AutoCAD along with the overland flow routes and catchment areas These could have been created in 12d as well When these were drawn the following rules were followed 1 Strings are drawn where the pipes are NOT to setout x y locations 2 Polylines are used in AutoCAD 3 lines drawn from upstream to downstream direction of flow 4 a vertex was placed at every pit location To import the AutoCAD drawing from the main menu select
89. set the pit names again Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 37 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Network Editor Catchment Pit Pipe DEFALLTS GLOBAL Current pit Pit name I 06 Main Setout Bypass Cover RL mode Lover RL 26 750665 Pit diameter E Drainage Network Editor Set Pit Names Sls Drainage Ay drainage network Naming method Sequential numbering F Default naming Pre text String Pit separator Fost text First pit number Map pit numbers ta letters Min digits in pit numbers Il Maming by pit type Fit naming File inlets only pit na Reverse order Mame pits Mame pipes Pipe naming method LIS Pit to D5S Pit HHO Back to Editor 12d Stormwater Design Course Notes Part 1 Page 38 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Pit Naming File Pit naming file inlets only pit naming O String Pit First Min digits separator sequence pit numbers in pit number bo letters numbers E Drainage Network Editor Set Pit Names Silas Drainage model Hrainage network Narning method Sequential numbering F Default naming Pre text ae string Pit separator Note that the headwall still get the sequential numbering continued from the last numbering method To start at a new n
90. sign file C E Offset fu fo 4 Service clashes Raise fu fo d Service clash File C Justify bott m left 3 z Pi Augie ay Select Slant qe a Edit Factor Mi Edit text style ok ant network drainage network ge 5Sameas Clea Finish zme pit 1 4 Select the textstyle button and then the drop down for Favourites Now select Edit Enter the data as show Some data you will have to type on the keyboard type and other you may use the right mouse button RB and then select browse Type RB RBTypeRBType RB E textstyle_names 4d Create Edit Ioj x aam gize Chlour eins an Slane Factor WstiFy E E catch labels PE yellow 1 bottom right Set write Finish Help Select Set to store the textstyle favourite for this sessfon_only To permanently save this text style favourite and have access to it in all of your projects select Write and the following Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 49 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN W Write Setup File textstyle_names 4d x C Found folder textstyle names 4d not found Current folder Select the User folder G1 izdjobsioursestr D0 brains Select Write to save the favourite to the User folder f User Folder CrProgram Fes 202th 0O ser If you are in a network environment and want to see if you have write access to Other Fo
91. sssssscsccsscsssscsssssces 5 20 Using the Course Notes iicieicii animus annie nea 6 3 0 Setup Files and Their Locations essesossossssscececoesoscosseseccoccoosossossecececosossssssescecoesosssssessecoeesssso 6 4 0 Survey data and design surfaces TINs ssesceececccsesssssceceeoesoosossosseeocecosossosssescecoesosssssssseeoee 7 4 1 Imporine the Raw Survey Data cmcsrecmisi nn R A 8 4 2 Creating the existing Ground Surface rucita aeiia a isa 10 4 3 Viewing the Ground Surbace Tihirosrecrenianan aee a E a E E N eA 11 4 4 Inguming about Heights On the Sumac sesimin A i 13 4 5 Viewing the Surtace Tin ina 3d Perspect y 6k sccxtisceicndiivantatsdiuseeveesendencuiantiv ia deenen ceeds 14 4 6 Reducing the number of points for the 12d Practice VersiOn ccccccseseessseeeeeeeeeeeees 14 4 7 Importing the Road Design Centre Limes ccccccccccececceeeesseeeeceececeeceaseaseaseeeseeseeeeeees 15 4 8 sine Create R OAS xis ce tis e E EA cau ca eihes AT 15 4 9 Creating a Super Tin from the Survey and Design Data ccccccccccessesseeeeeeseeeeeees 17 4 10 Chaneme the Colour OF a Liisa 6 cre tas ee an antennae a an Samet anette mene 17 50 Pama Layout oeei E E E cases ecewaneeaseeees 19 5 1 Sette Drainage Dolu Sissin a wwe A maaan 19 Ik Ta Ded iaae R 19 5 1 2 Manhole Pit Del auls nets hiss csctecds erase a nana tosis aaah beehentsansesatetea 20 ILI Pipe Derili eere a a a tucuoninacem nineteen 21 Ia String Colour and pit
92. stances and searches are optional The setout and centre search distances are the maximum distance that the routine will look when trying to locate the setout and centre line strings respectively The grade offset it the distance upstream from the setout point that the road grade measurement will start and the Xfall offset is the distance from the setout point to the start of the crossfall measure 12d Stormwater Design Course Notes Part 1 Page 68 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN ment The measurements will be taken over a distance of slope measurement distance with the actual levels taken from the finished surface tin specified on the Global Main tab Repeat this for each road string model used in the design Remember to select Write when fin ished Select the Set Pit Details button on the bottom of the panel the calculate these values Explicit settings for the setout strings and the auto calculated values are found on the Pit Setout tab If the manual mode is selected the Easting and Northing locations may be picked in plan view or typed into the input boxes The setout level defines the level of the pit to be printed in the pit setout tables and in the drainage longsection plots The FS Tin selection obtains the level from the FS tin specified on the Global Main tab at the centre point of the pit The Setout String location obtains the z level from the
93. tical Set Pit Details and Regrade pipes Pipe alignment modes Set Pit Names Catchments draw label link and check tc strings Hydrology Area Tc C values with defaults Hydraulics setout to grate method pipe full or HGL available pipe sizes and box culverts Services over and under drainage pipes Road strings rotate symbols x y and or z for setout road grade and crossfall for inlet capacity road chainage from centre line 12d design engine understanding the reports Setout pit schedules easting northing and road centre line Drawings Long Section plotting Plan drawings Kerb Strings select by name crests and sags Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 101 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN THE END 12d Stormwater Design Course Notes Part 1 Page 102 of Revised 17 Sept 2007
94. tility Models sub tab Solid Translucent Fill for the Catchment Areas Super strings may have a translucent fill add to them so that you can see if areas have been missed or if they overlap From the main menu select 12d Stormwater Design Course Notes Part 1 Page 46 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN W Change Super String Filling Silas Data to change Pe 0 7 Model dwg d catchme Solid Bitmap Pattern Hatch Autocad G 5 Flo a lend os ana wks ao Bi iig L oe ae i ae a Me ee a m ia eee Target Replace existing data l k Note that the edges are no longer visible choice ok ome 6 CEs 7 Cie Sle Adding the edges to the fills E Face Flags for View To view the edges go to the View Menu button and select Settings gt Faces VIEW Draw Fill Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 47 of 102 2d Solutions Pty Ltd gt Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Drainage Network Editor aA Enter a i filename Catchment Pt Pipe DEFAULTS GLOBAL for the Global drainage data catch Main Utility Models Notes ment file Catchments gi Catchment fie in caneri catchments AE Select ia More Catchment labels model drainage catch labels info but F
95. tom and then arrow area on the top The amount left over is used for the long section itself To stop datum breaks from occurring increase this height increase your plot scale or decrease your vertical exaggeration If there is too much white space in the graph area then reduce this value Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 93 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E Drainage Plot PPF Editor Plot parameter file drainage_long_design drainppF Read E Drainage Plot User title block parameters I Title black Title File ction white tbr Flot 5 Margins 1 Main Title 1 My Design 2 Main Title 2 3 Main Title 3 4 Sub title 1 DREN elt 5 Subtitle 2 Hl ARROWS Graph area Top area pest El Corridors 8 Drawn H Maintenance holes 9 Designed Property controlsyr 40 Modelled El Hatching cut Fill i Cuts 3 Primary string name PPF s to include Time Format C E Stark page number i 6 Job Number 7 Issue Start drawing number i Drawing number prefix Loo i i Drawing number postfix Finish J Z The Drainage plot title block User title info allow you to enter the text for the title block The list displayed is retrieve from the title file selected above Enter the data for the plot and then select Write to save the changed to the local drainppf file you entered earlier Select Plot
96. umber the Sub sequence group number would have to be included in the file Post text First pit number Map pit numbers to letters Min digits in pit numbers Maming by pit type Pit naming File jinlets only pik naming Reverse order ill Mame pits Name pipes Pipe naming method IS Pit to DS Pit Pits and pipes named successfully Run d Back to Editor HHO Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 39 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 6 6 1 Trouble Shooting Displaying View Text After you have named the pits in your network the names should appear beside each pit in plan If they do not appear then some 12d settings have been changed You can change the text size for each string by selecting Strings gt Editor and then pick accept the drainage string The text size is set from the selection Utilities gt Size The offset from the pit is set by selecting Strings gt Properties gt Strings picking the drainage string and setting the values for Delta x and Delta y Note Auto pit names are NOT shown in the section view Trouble shooting auto pit names not being displayed Problem Plan text is toggled off Solution select Toggle on the plan view title area Check that the Text is toggles on If it is on then walk right and ensure the Culling otf text is turned on or n a for your drainage network Linest
97. ump below the lowest pipe invert connecting to the pit It is generally zero or negative 6 12 2 Pit Losses Ku and Direct Flow E Drainage Network Editor l _ Oj x Catchment Pit Pipe DEFAULTS eLoBaL The Direct flow cms cfs Default data For blank Fields Catchments Pits Pipes 1S water flowing into the manhole It 1s added to the oe SFS Tin ha approach flow and is sub Grate RL mode Setout String Sump offset fo ject to pit inlet capacity Inlet data This field will be disabled Ku method ku kw via Cha ied Ku iT if the inlet type is set to a Ku config Preferred Direct pit Flow lo manhole Verne OOS be The Pit loss Ku is used to model the energy losses through the pits Three methods are available Direct user entered Ku Kw via charts may be negative or Ku Kw gt 0 via charts where all neg ative values are changed to zero 12d Stormwater Design Course Notes Part 1 Page 60 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Ku config has 4 options Preferred Good Fair and Poor The settings have no effect for 100 grate flow straight through and 90 bends For pipes with bends they determine the charts to use The following are guidelines in selecting the Ku config Preferred water impacts the opposite wall where it exits Good water impacts the side wall where it exits Fair water impacts the side wall and exits on the en
98. used calculate road grades and crossfalls bypass model required and or construction setout data The construction setout point defines the location on the pit to be printed in the pit schedules plot ted on the plan annotations or listed on the drainage long sections The setout point and level can be set to the centre of the pit or it can be linked to a road design string The cover rl plus the Grate offset determines the grate level for surcharging calculations The centre of the pit or setout point can also be dropped perpendicular onto the road centre line to obtain the road chainage and offset distance Key Points in Using Setout Strings 1 Enter the road models and the strings names identifies via the Network Editor gt Global Utility Models tab Road design file 12d Stormwater Design Course Notes Part 1 Page 66 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 2 Specify how these strings are to be used On the Defaults gt Pits Setout data area or Pits gt Setout tab Select Setout string for the XY or Z setout modes Select centre string for Road ch mode to calculate road chainages and offsets 3 Select the Set Pit Details button 4 Once a string has been linked to a pit it will remmain linked until it is deleted or the link has been cleared Clear Road Links on the Globals gt Utility Models tab 5 Manual string selection is available on the
99. w ccccsseseseececeeceeeeeeesseeesceseeeeeees 80 8 4 Iniporuns Textanto a 12d Ode lcs sink cine tie a a E A EEO 81 8 4 1 Vesiom RESUS ecaicictes sgeartnecr totes eae ease aeicietens reat enna aceaneautalensaetit 83 9 0 Drainage Templates Saving Defaults and Globals ccccssscsscscsscsceccsceccececcececcsccsssseees 86 10 0 Drainage Data Input and Output to Spreadsheets ssscsssssssssssssssssssscsssssscsssscesees 87 10 1 T20 TO Spreadsheet MaANSlCES wessccct isons daatecnan S 87 IO Manbhole Pit Schedules lt sasssercevecacatieasectasthecctietastnedicavesinckecuasteasduaa E cola dehes aS 89 120 Long Section Plottine ssion a oaea E tecenesessicevcccenneeunsties 92 13 0 Working with Kerb Lip Strings ccccccsssseeeecesseeeseeeeeeeeeeeneeseeeesseeseonseeeaeooeeenees 95 13 1 Picking Kerb Stines name SNAP areara a a aE da oon ete A S 95 13 1 1 Placing a pit at a Specific Control String Chainage cccccccccceececeeceeesseeeesees 96 13 1 2 Placing a pit at a Specific Distance Offset along the kerb string cee 97 13 2 Locating Crests and Sage POINTS 3 205005 dcdsssctas ierann anana e eaa a e aa e aaeain anaana n 98 t40 Trainine Check Listarea E E E 101 Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 4 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 1 0 Stormwater Design Introduction The 12d drainage
100. wards to achieve the cover required 12 defines cover as When using the network editors to change the pipe diameters the invert levels will remain fixed and the obverts will change The inverts may be reset using Regrade Network on the network editor The list of available pipe types is set in the drainage 4d file 5 2 String Colour and pit Label Text Size location string defaults 12d can automatically label the pits at a fixed offset from the pit using view text OR you can use the network editor Plot to create text labels that can be moved rotated etc For view text the default line colour and text size are set by selecting The following panel will appear Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 21 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN MS Defaults Trash Settings Mame Settings Default Settings System Settings Colour magenta Point colour 2 T ii ie _ Tin colour Contour colour A Ta mi rail J J qu Contour bold colour KO null height Ol m Text height pixels k DEEE Chord 4rc tolerance Culling Culling size pix Corner angle Weed tolerance lu Section view exagg l Cut volume sign negative T m hs Li a T m T m T m Hi cu Ta Ta d ae Optionally you may LB the Write button to set the defaults for other projects The iit Sony Fil
101. ware COURSE NOTES STORMWATER DESIGN 5 14 Drainage Split and Join To change the pipe route between the pits use the String split join from the Drainage menu not the one on the Strings gt Strings edit Split Option Ef Split Join Drainage Strings ml es Split options US string name Nl DS string name A 2 wl Split a Join US to Ds Join DS Eo us k Finish Help Join Option EE Split Join Drainage Strings Split options US string name N BS string name iis Split Join US to D5 Join DS to us Finish Help Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 33 of 102 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 6 0 Drainage Network Editor The drainage network editor is used to automatically or manually change the attributes of your drain age network These abilities include General S Changing the vertical alignment of the network S Setting pit names S Service Clash Checking Hydrology S Catchment Areas Checking the Automatic Catchment Linking S Global and Defaults Tab for C values and Tc calcs s Drainage Templates s Bypass flow routes Hydraulics Grate Levels s Outlet and Tailwater Conditions The drainage network editor is accessed through the main menu by selecting The bottom section of the network editor panel is shown below You can change tabs but no data can be entered in the panel until a drainage
102. wn in several forms Hydrology and hydraulic reports Drainage plan annotations l 2 3 Drainage longsections 4 Hydraulic Grade line on the Section view 5 Output window data Service utility clashes Samples of the hydrology and hydraulics report are shown below Revised 17 Sept 2007 12d Stormwater Design Course Notes Part 1 Page 83 of 102 12d Solutions Pty Ltd ng Software and Survey V v COURSE NOTES STORMWATER DESIGN 9 88 6 ote 579z P az L E S T Bt AoT yororddy 5788 6 ote groz Foe L E sT IJ 2 TETAIE e95T O z6r TSPFO O ogsaa TO 0 O eq I mg TETIIEY c6PrT O 6900 o Lotro FoTO O TEPrO O o200 0 SLPO O zend o490 0 Teoo Oo eq YI TETIIE BEL a ide Te bbe TEE T FII 90 TIA TEST oO oooh 0 OLFOO eco ZELOO eq Fo mg TIMA E6FT O SETO 0 LTE oO Sgen TEPO O oroni Siro O FrOO 0 o490 O z900 0 Et YJ TI esa T o Faroa pogr eTS0 O SiPO O e500 O TESO O ELTEREN SPFLO O 800 O eq Y Baily ne i L O ne i L O o6 O gL 06 i L O 06 i L O od roe 00 EST OO roe oo eST OO FOE OO E9T OO rOe OO EST OO ROE OO EST 2u TM I AA TSUSIUl oo s oo oT oo sS oo oT 00 s oO OT 00 s OO OT 00 s OO OT upm IL TFL IT dT IT dT IT dT IT dT IT dT i JI 4233
103. yles on Sewer off Test on Vertices off F Vertex no s ott 2 values n a Names nra F Arc centres off Tin contours on Tin edges ott Tin flow off Tin solid ott Grid off Rasters n a Problem Small text is turned off Solution select the Menu button on the plan view title area and select Settings gt Text gt Text if these values are too large the text will not appear on the screen Either decrease these values or increase the text size 12d Stormwater Design Course Notes Part 1 Page 40 of 102 Revised 17 Sept 2007 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN MEE mee a Select drop down and change to full Text draw mode Full Quick threshold pie 4 5 ick threshold and None threshold if these values are too None threshold pix p lt ge the text will not appear on the screen Either decrease L these values or increase the text size Set Finish Help Problem string text size is 0 Solution Each drainage line can have its own size of the text To change it select Strings gt Editor then pick accept the drainage string The text size is set from the selection Utilities gt Size If this is set to zero the labels are not drawn 6 7 Labelling the Pits and Pipes To label the pits and the pipes use Drainage Plan Annotations This may be accessed from one of three locations Location 1 From the plan toolbar Sel

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