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1. Aasters n a ZER drainage network on 5 2 2 Moving Text The labels created 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 Gem melu To move a single line a text use the CAD toolbar Select the Move text justify but ton To use this toolbar you must DRAG the Create text button to the right la fe OOOO 8 18 0 0 9 amp Xa a SE Qt SY EIR AK Move Text Justify Point and then release when the pointer is on the H Move Text Justify Point Foal To move a pre defined Group of text select Drafting gt Multi string translate Revised February 2006 12d Stormwater Design Course Notes Page 37 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Select Group and then pick and accept one of the text items in the group Move it to its new location and accept ES Translate Strings e LI x Mame Group window n Unda gll DK Note To move another group you must select the Group button again 5 3 Catchment Areas Key Points 1 Start near the manhole for auto linking 2 Manual linking available via Network Editor gt Catchments gt Pick butt
2. Detailed 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 don etc From the main menu Drainage Plot PPF Editor E Drainage Plot Title block Plot sheet layout Boxes Chainages Uprigh Datum area APFOWS Graph area Top area Corridors Maintenance hole Maintenance hole Pits Junctions dire Primary string nar PPF s to include Design gt Drainage Sewer gt Plots gt Longsections See Also manhole Schedules to set road chainage and name data Plot parameter file ection drainpp Property contrals Hatching cut Fill Cuts Read View bo load details From Yew k Global variables Text style he Plot symbals Section parameters Network model network north oog D Vertical exageration E D Sheet size setup Sheet size wd ht mm jai el Plotter parameters Plotter type model E plot Sl Horizontal scale Flot File stem plotter ok Plot Revised February 2006 Finish Find Help E To access the drainppf files sup plied select the icon and then walk right on Lib to select this drainppf file elect Read Enter a new name for this drawing and select Wri
3. J 2d Solutions Pty Ltd Civil and Surveying Software Course Notes CIVIL AND SURVEYING SOFTWARE THE 12d PERSPECTIVE STORMWATER DESIGN 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 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 February 2006 Copyright 12d Solutions Pty Limited 2006 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 1s 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 2006 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 1 0 Stormwater Design Introduction sssssccccccccosssssssseeccocoscsssssssceececsssossssesecocoecsssssssecceees
4. Help Select Finish to remove the panel from the screen Now we are ready to look at the existing surface tin Place you pointer over the sign on the plan view title area and press the t key All of the models beginning with lower case t will appear Double click on tin existing survey to add it to the view 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 Let us now turn on the fast contours and the fast flow arrows Select Tog gle on the plan view title area and then LB on Tin contours The contours will be shown on the view LB Toggle on the plan view title area and then LB on Tin flow Now the flow arrows will be shown on the view BR Plan 1 Bpealal yl ala aly To change the contour intervals and the contour colours select the Menu button on the plan view title area and then select Settings gt Tins gt Contours and the following dialog will appear Revised February 2006 12d Stormwater Design Course Notes Page 11 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN W Tin D jaw Contours for View ABL EEN Dee a Turns the contours on or off Dram triangles contours RK inor contour interval SH Value for first bold contour usually 0 Cant ref Ai Minor contour colour Cone colour Bold inc Major interval Bold colour Major contour colour LB to observe the new settings on the view
5. Drainage model drainage netwo Finished surface tin combined WA Out all manhole number ft D Pracess Finish The fields and buttons used in this panel have the following functions Field Description Type Defaults Pop Up Data source choice box model view model string data source for strings to be converted Select input box Model containing strings to be converted Drainage model model box The new drainage strings will be added to this model If it does not exist it will be created Finished surface tin tin box This tin should be the same as your tin default for the drainage strings Outfall manhole number real input box The network will be numbered using a numerical method The most upstream manhole of the outlet line will be assigned this manhole number This numbering system can be changed if desired Process button Coverts the strings to the drainage strings Revised February 2006 12d Stormwater Design Course Notes Page 21 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Finish button Removes the panel from the screen Important notes The imported strings must be drawn in the direction the water flows Manholes are created at all vertices on the strings Trunk lines must have a vertex where the branch lines join Integer string names can be used to control the order in when the drainage lines are numbered These names will be transferred to the 12d drain
6. If you like the settings LB on finish to remove the select To change the length and the colour of the flow arrows select the Menu button on the plan view title area and then select Settings gt Tins gt Flow Arrows and the following dialog will appear ts ch A length of about 2 units looks very small Biles e l S now but it is good when you are zooming view el into the actual catchments WW Tin Draw L Arrows for View Draw triangles Flows LB to observe the new settings on the Arrow length Da E view Colour For arrows When you like the settings LB on Finish to remove the panel 3 3 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 Tins gt Inquire gt Height Revised February 2006 12d Stormwater Design Course Notes Page 12 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Tin Herght Inquire Of zl Tin Jexisting EUME b z 30 208 5369 453 ue 20 220 Finish Help You will see that data in the panel change as you move the pointer around the screen 3 4 Viewing the Surface Tin in a 3d Perspective To create a 3d perspective view select View gt New gt Perspective and a persective view will appear Add the model tin existing surface to the view and then toggle the shading on You may also want to toggle the contours on as well
7. Nome TI Box Colour orange _ Sra eee a y Select the Font to display the following panel Location x y z Font Inquire Selection accepted Process jols Enter a Text Model for the report The Text Style must be a fixed space font Select Set then Finish Text Colour even _ Now add the Text Model onto the Text Size s Text Width bk l Text Angle ie Text Style sce o 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 Rae 4 Report type Formatted sl Select E Hydraulic report File lh ydraulic rpt CG Foma Overwrite existing report File Comma delimited Tab delimited Revised February 2006 12d Stormwater Design Course Notes Page 70 of 94 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 7 4 1 Design Results Results from the design runs are shown in several forms Hydrology and hydraulic reports Drainage plan annotations l 2 3 Drainage longsections 4 Hydraulic Grade l
8. Now remove the tin from the view as it is not needed for the next steps Hint use the button 3 5 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 1s not required From the main menu select Models gt Delete gt Delete a Model and the following dialog will appear Delete Model Sei Model ling survey data E Delete Finish Help LB then select the model existing survey data and then LB to delete the model and then Select yes to confirm the deletion 3 6 Importing the Road Design Data and Creating the Design TIN Repeat the process of importing the 12da data File I O gt Data input gt 12d ascii file is road design 12da Remove all of the models from the view and then add the road design models onto the view Revised February 2006 12d Stormwater Design Course Notes Page 13 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Road Centrelines Road Strings Road sections Now create a new tin called design using the TINS gt Create gt Triangulate data option 3 7 Nulling the long Triangles Add the tin that you just created onto the view Toggle the tin contours off and the tin flow off Now toggle the tin edges on Notice the long triangles around the edge of the design To remove the long triangles select Tins gt
9. This may be accessed from one of three locations Location 1 From the plan toolbar Revised February 2006 12d Stormwater Design Course Notes Page 34 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN BE Plan 1 aeoea E Flot Flot Frames Drainage plan Note The following panel has been reduced in size Ef Drainage Plan Plot PPF Editor j joj x Read write 7 drainage Debwo Plot parameter File oj Drainage Plan Plot Load design details From Model Save plot annotations to Model drainage labels Clean plot model beforehand smart clean Plot Find Finish Help E Location 2 The Plot Button on the Drainage Network Editor The following panel will be displayed Revised February 2006 Select the plot button and then Drainage plan elect your drainage model Enter a model name for the new labels elect Plot Now add the drainage labels model onto the plan view 12d Stormwater Design Course Notes Page 35 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN This option can plot both the long section aea i Urainuga i laiwo Editors plui and plan at the same time Select a ppf file Drainage model stormwater from the library Generate plan annotations Enter a model for the plan annotations Drainage plan PPF ler drainplanppf E Select Clean model beforehand i
10. Units Metric Finished surface tin combirred SEI Natural surface tin xisting haf Catchment data Dunoft method ARR 1967 Ka 1hr 10wr intensity 70 cr Pipe data AG Re A e A Kc L zen me w SS Bee 2 Default Settings WW Drainage Network Editor Si EN Catchment Pit Pipe DEFAULTS gLopat Default data For blank Fields Catchments Pits Pipes Percent impervious op Impervious Pervious Te method Direct gt Te method Direct Length 50 ef Length 100 d Slope 9 2 5 d Retardance 0 013 Slope 9 2 5 JA Hetoardance 0 15 Te minor 5 Te minor fio Te majo 5 Te majori jig Cimino oz Cimajor om Vi B ah en e oe Revised February 2006 Runoff C methods include Direct and ARR 1987 For the ARR 1987 Direct There is a global impervious C value for both the minor and major storms ARR 1987 The com posite C value is calcu lated using the 1hr 10yr intensity the percent impervious ARR fre quency factors and the return period specified when hydrology runs are made No C values are entered if this method is used The Direct method has both defaults and explicit settings on Catchment tabs see below 12d Stormwater Design Course Notes Page 46 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Implicit Settings WW Drainage Network Editor Catchment pit Pipe DEFAULTS GLOBAL Catchments Flowing to c
11. ff the following panel will appear Cut volume sign negative a A Select Set Selecting Current folder will save ALL these defaults for projects in this working folder only The defaults set in the user or setups directories will not be used if you select this option B Write Setup File defaults 4d E ol x C Found folder C OBrogram Files ldi lzdmodel z o0useridekaults 4d C Current folder Giil2djobsiGourses 00 Drainage Selecting User folder will save your defaults so that all other 12d projects will e use this defaults This is the most common User folder option unless your network administrator EE has not given you write access to this area S S write Properties Finish Help heck P Other Folder chec roperties Folder EV i2djobs Courses 7 00 Draina E pene BR Revised February 2006 12d Stormwater Design Course Notes Page 20 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 3 Create the drainage strings from the dwg strings 12d will convert the import strings into 12d drainage strings The default pipe manhole and tin data will be used to set the levels for the network From the menu select Design gt Drainage Sewer gt Create drainage from strings The following panel will appear Convert to Drainage Strings Ioj x Source strings to convert Model el Model select Model
12. Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor Saks Catchment Pit Pipe DEFAULTS GLOBAL Global drainage data Main Utility Models Catchments Catchment File stormwater cati Catchment labels model stormwater cate EZ Label textstyle Arial Si Type a file name select the Auto rename catchment polygons w folder icon and then select Edit from the drop down Gei OT Edit file Bypass Flow model bypass Elo EZ j e The following editor will Road design appear Road design file stormwater roa Ga PP an Sersire d ee ais Ki ecm KSE Welle bes m oad Design File E ol RB select this box and choose the models con taining the setout strings dew i EE naak write In the Setout string ID Road Strings Getout SCH Grade Al Slope box enter the string name Model String ID arch Offset Offset Measurement prefix wild card ae ee SE Distance allowed to limit the see leleada ls S SE e S selection for setout string S road strings ok 3 do03 20 1 1 D I If no ID is entered then this model will NOT be searched A LE AA tl 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 distances and searches are optional The setout and centre search distances are the maximum distance that the routine w
13. Null gt by angle length 5 2 8 0 9 0 ale Null Triangles by Angle and fi Tin to null design SS Angle 5 Al Length 100 D Combined Combined angle e AJ Combined length 2o D Tin lt design gt exists Select the design tin and then select Null Using the default values removes most of the long trian gles Note that this option removes triangles from the outside inwards and it stops whenever it reaches a breakline Now reduce the Length value to and then select Null again Any exterior triangles with a length greater than 1 have now been removed Revised February 2006 12d Stormwater Design Course Notes Page 14 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 3 8 Creating a Super Tin from the Survey and Design Data To create a tin that is the combination of the survey data and the design data you will need to cre ate a super tin From the main menu Tins gt Create gt supertin SES Mew tin name combined We Tin colour green Tin style f D Model For tin ftin combined Tins to include 1 Jexisting Survey design RRS RS RSS ay _3 KS _5 ll el ok no Tin lt combined gt exists Create Finish Help 3 9 Changing the Colour of a Tin Enter a name for the super tin and press Enter Used only in section views The model field will be auto completed for you because you pressed Enter
14. Pit Details ments Now add the model labels onto the plan view Regrade Pipes Plot Import Export Storm Analysis Dick Edit Sop et a Finish Help Revised February 2006 12d Stormwater Design Course Notes Page 42 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN DESPEESEEEE There are some cases where linking the closest manhole to vertex 1 is not feasible In these cases you may manually link the manhole to a catchment Catchment manual link The manual links are used when the first point on the catchment string is closest to the wring man hole 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 manhole 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 the manual links in that set will be erased Revised February 2006 12d Stormwater Design Course Notes Page 43 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor Sil E First change to the Catch ment tab Now either use the casein el it Pipe DEFAULTS t
15. Pit Schedules os scicccscssnccctesivovesasvessesaccdcersetecssecsweuadesuecesnsescdasnssasodecesasadsvessedsensadesusccsues 81 EEO Lon Sechon TEE 84 12 0 Working with Kerb Lip Strings tes ee tee eege 88 12 1 Picking Kerb Strings name snap 88 12 1 1 Placing a manhole at a Specific Control String Chainage ccccceeeeeeeeeees 88 121 2 Placing a manhole at a Specific Distance Offset along the kerb string 90 12 2 Locating Cresis and Sag E 91 Revised February 2006 12d Stormwater Design Course Notes Page 4 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 1 0 Stormwater Design Introduction The 12d drainage module contains functions to perform the following steps in the drainage design and documentation process 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 layout schedules to export to spreadsheets or word processors for final for matting produce long
16. Select the More info button Drainage dd drainage 4d Ki and then Edit to edit the file You must restart 12d for these changes to become active Select Project gt Restart Revised February 2006 12d Stormwater Design Course Notes Page 6 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 3 0 Survey data and design surfaces TINS We will begin a 12d project from scratch by first creating the project and then reading in the sur vey design data The design can then be triangulated so that we have a final surface profile to design the drainage for Start up the 12d model by selecting the courses icon from your desktop Zb 12d Model E we OO E l ek The project selection panel will appear The bottom corner of the panel is shown below Note If you are using the practice version the folder will be C 12d Model v7 00 Practise courses 7 00 Ki BN Folder EM2dos 3 Project Proceed Cancel LB select the icon and the following panel will appear Revised February 2006 12d Stormwater Design Course Notes Page 7 of 94 e L d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Select Folder E 2 x Look ir IC UU ct ES S __ Drainage BEER EM ZdcbaCouseh 00 Files of type Show Folders Only ll Cancel E 12d works with a folder NOT a single file Therefore to open the folder we are going to work in
17. Slope 8 5 d Slope Z5 4 Retardance 0 013 Retardance 0 15 Te minor e Tc minori fio o Te major 5 Te major fo gt Cimino om zech A sec ONE OD A 1 1 Direct method requires minor and major tc values Direct Friend Equation kinematic Wave Bransby Willems Equation OUDM Velocity Table 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 catchment charac teristic 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 method 3 Data for the remaining methods is entered in a similar fashion 5 7 Tc Path Strings These strings are used to calculate the time of concentration for the impervious and pervious areas 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 catchments available for each manhole 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
18. Toggle the vertices on just to help you see where the manholes are Controls t going to be placed turn your line snap off and the point snap on i SEENEN The first line we will create is the branch line on the east Line B then the 7 Float jv branch line to the west Line C and finally the trunk line running from east to Lo s west Line A The drawing below shows the manhole names You will not see Unde Redo these as you draw the strings but we will create them later Quit Finish Click and accept the point labelled B 1 and then click and accept the point labelled A 2 Since this is the end of the branch line select Finish from the Drainage Edit panel If you have other edits to make to the string do not select Finish yet 1 e set some specific invert levels RB then select Cancel from the menu This will leave the edit menu active for further changes The Create Drainage String panel will appear again for you to create additional drainage strings Create line C in a similar fashion When this line is finished start on line A but only place the first manhole A 1 manhole A 2 is a junction manhole and requires some special attention Revised February 2006 12d Stormwater Design Course Notes Page 26 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 7 Exact Methods for Placing Manholes To place your manholes on a kerb line string turn the line snap on and the point snap o
19. Two formats are available the from to manhole format and the 12d drainage spreadsheet format At present the network editor must select a drainage string to become active Therefore if you are not adding strings to a network you will have to great a drainage network with one dummy man hole Select this one dummy manhole to activate the editor After importing the data and the new drainage lines are created the dummy manhole may be deleted 12d drainage spreadsheet Format The top left cell in the clipboard data must be the text 12d to specify this format The mini mum amount of data required to create a new string is the string name manhole name x and y coordinates You can add as much additional data as you have available This would include pipe diameters inverts etc The manholes must be listed from upstream to downstream order If the string is to join a trunk line the junction manhole must be included for both the tributary and the trunk line An example file exists called new_network txt is supplied in the library Open this file in a spreadsheet or a text editor and copy it to the clipboard Set the I O Action to Import and select Run The new drainage lines will exist in the model currently being edited From to Manhole Format The top left cell in the clipboard data must be the text from to to specify this format The minimum amount of data required to create a new string is the upstream p
20. double click the Drainage folder and then select Open Ki on Folder Ic VU 2diobes VC ourses 00 Drainage CH Project Folder lt C i2djobs Courses 7 00 Drainage gt exists 00000 Proceed Cancel ZA In the Project field type the name for your new project an then select Proceed 12d will create a sub folder with this name All of the 12d files that you should not touch will be created in this sub folder Please stay out of the sub folder All files created for the user will be kept in the folder that you opened i e c 12jobs Courses 7 00 Drainage 3 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 File I O gt Data input gt 12da 4da data Revised February 2006 12d Stormwater Design Course Notes Page 8 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Read Wed solutions Ascii Data Sie E LB select to display the file list Select the file existing survey Format 12d ascii Asch File hg survey 12dal Select Read to read the data then Select Finish to remove the panel Use map file model when ptiline changes To add all of the data to the view select Menu icon in the plan view title area and then from the drop down menu select Models gt Add all models or select this icon and select existing survey data W Peni EEGEN Revised February 2006 12d Stormwa
21. drainage string The strings will be Next gt highlighted in white when they are selected drainage network 2 Pit Attribute Name Type Data lace Real slliemm D All catchment data is store with the catchment model ele D ung El manholes in drainage strings To FE ees access the manhole attributes select a eS bd feger SE El the drop down icon and then select Ey Real zl EE LS manhole A circle will be drawn Text sl not fourd E around the manhole selected Next Text sl rot found and Prev will now move you from wl Me hoton a manhole to manhole Text frotfound al Select the drop down icon and then Ir Tet el notfound D select the Attribute Name from the wm D Text D aama gt list of existing user defined attributes These attributes include all of the First pit selected attributes in the model that the string Procesa Finish exists in LD OF M A PS D rr ch They may not be defined for the manhole you are editing Not found will be displayed in the Data field if the manhole does not have that attribute defined To change the value for the attribute enter the new value in the data field If the Pit Attribute Creator RS attribute does not exist deleting the not Create new attribute E found text and adding data will create it Abort E The message on the right will be displayed fou are about to create the pit attribute lt inepection date gt type Te wh
22. factor F50 Map 9 ee 0000000 d Lat of location deg 5 ssc ail Long of location deg E 1406 ail mam Help 7 1 3 Australian Rainfall and Runoff 1977 Method The seven coefficients for each return period from ARR 1977 are entered in this table Revised February 2006 12d Stormwater Design Course Notes Page 65 of 94 COURSE NOTES STORMWATER DESIGN WW Drainage Network Rainfall Rainfall location File srra 12dhydro a Rainfall Methods IFO Table ARR 1987 ARR 1977 Feriod 12d Solutions Pty Ltd Civil and Surveying Software 2 0306 3 0966 4 4669 EE 3 6511 3 104 3 9186 C 0 0475 0 0541 0 0741 0 0853 0 0928 0 1036 0 1095 D 0 0264 0 02994 0 0451 0 04462 0 04565 D 0S263 U Ua 0 ARR 1977 Polynomial coefficients For pre defined Return Periods Return 4 0 00124 0 001906 0 003726 0 005526 0 006357 0 007596 0 008397 0 002107 0 002457 0 0041 352 0 0039794 0 0044 0 00481 75 0 004981 6 0 0002041 O 000239 O 000422 0 0003366 0 00037 20 00003939 O 0003921 Help 7 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 From the Drainage Network Editor select Storm Analysis The following design panel ye ee EE ee Model drainage network m Auto applw w Auto redraw w
23. follows WW Drainage Network Editor L fb Catchment Pit Pipe DEFAULTS gLogat Default data For blank Fields Catchments Pits Pipes Pipe roughness Ka The tin specified in the Glo bal Main Finished Surface Colebrook k rar ihe fe l Tin field is used for these cal Invert design culations The description Alignment mode GE de EIERE ert Drop gt below assumes that none of Alignment drop Minimum Drop Eo Ef the inverts have been manu N Invert Dro Pipe cover limit GER Sg os Ai ally locked Pipe cover mode Minimum Depth Select Choice Minimum grade fay Depth f d Minimum Grade Pipe size design Freeboard limit 0 iS d SSE Oe 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 Revised February 2006 12d Stormwater Design Course Notes Page 54 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN between the ground levels at the manholes 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 Alignment mode Ob
24. for entering calculating the rainfall intensities are shown in the panel below From the main menu select Design gt Drainage Sewer gt Rainfall Editor Data is entered using one or more if desired input methods and then saved by entering a Mete orology 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 Rainfalt E x Rainfall location File Ka Folder 12dhydro Rainfall Methods IFO Table Duratic a IFD Table Curation R gt Folder 12dhydro AUS ACT Canberra 12d hydro AUS NSW Newcastle 12dh hydro AUS NSW Sydney 12d ydro AUS NSW The Entrance 12dhydra AUS NSW Wollongong 12dhydra AUS NT Alice Springs 12dhydro Lib User Lib Browse Delete file 7 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 Revised February 2006 12d Stormwater Design Course Notes Page 63 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN for the duration entered in the first column Hint to increase the
25. have even less time than that So first lets look at how to pick kerb strings quickly 12 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 plac ing the manholes 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 stand ard snaps toolbar select Utilities gt Snaps gt Snaps and the following snap toolbar will appear d x m Select Name and the following panel will appear Line E Enter lok and select Set Now only strings with this name will be lex E selected Grid E Cursor i Height E Snar Name Ol Tin Tin E Mame D Segment Ce 8 Set Finish Help Tolerance 50 Data tip IT 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 12 1 1 Placing a manhole at a Specific Control String Chainage When appending or moving drainage manholes the following steps will place the manhole at a spe cific 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 Revised February 2006 12d Stormw
26. level for surcharging calculations Revised February 2006 12d Stormwater Design Course Notes Page 56 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The centre of the manhole or setout point can also be dropped perpendicular onto the road centre line to obtain the road chainage and offset distance WW Drainage Network Editor E E Catchment Pit Pipe DEFAULTS gLopat Default data For blank Fields Catchments Fits Pipes Inlet data Setout to grate offset 0 15 D 7 ge Select Choice x PIE OTOUD T 3 Fit Centre Direct Flow 0 Setout String Pit loss Ku E Manual j Select Choice x Setout data SSC lem Setout xy mode Setout String Y setout String Sebout z mode FS Tin oF Manual Road chainage mode Centre String F Select Choice D Setout adjustment li d No Road Centre String Manual Pit centre is the centre point of the manhole the intersection of the joining pipes Often the setout point for a manhole or catch basin is not the centre of the manhole 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 specified on the Global gt Utility models tab The manhole cover level will be set to level on this string Revised February 2006 12d Stormwater Design Course Notes Page 57 of 94 12d Solutions Pty
27. on the screen Select Label to create the labels Select Finish to remove the panel choice ok Paints Label Finish To get a clear picture of what the kerbs look like in profile lets create a section view and profile the kerb string To obtain more working area hide the Output Window Window gt Output window From the main menu select Revised February 2006 12d Stormwater Design Course Notes Page 92 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN View gt New gt Section View Now Select Profile on the section view title area 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 LA Edit View Models Strings Triangles Templates Options Plots Snaps Utilities User Undo Window Help PM Lv Gl Ch HI Th sf iv Plan 1 OF Xx sl Jld Par Pans Zoom Shrink Prev Tooale 2x 24 Plot We Section 2 drainage kerbs ET EN Duch Profile _ Fit Par Pans Zoom Shrink Regen Prey Toga 5 r O mg Dan MR Section2 S For Help press F1 NUM AStart 4 4A RE Micros Al Find ad BY Micros QJ Explor EISEM directo 4d M Z Contac Bp Find bat e 3 32 Place your pointer in the section view and notice how the cross in the plan view indicates your position
28. required for different services then place the 1 services ET ices in diff del i ill b services in different model Warnings will be Fie sayed i issued at design time Cover levels or fixed Finish Help inverts can be used to avoid the services 2 Service clashes are listed in the output when the Set pipe inverts is selected on the Drainage Network Editor If the output window is not visible then from the main menu select Window gt Output Window and make sure it 1s selected 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 WATER Clearance 0 440 lt 0 500 V 4 4 4 EI Messages Revised February 2006 12d Stormwater Design Course Notes Page 61 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor fa m fx The MOSI GE method H to avoid the clash is to Catchment Pit Pipe DEFAULTS GLOBAL increase the Pipe cover Pipe downstream of current pit limit for this pipe segment Pipe connections 44 to A5 so that the pipe is pushed Main Design down If the clash problem ew is above the pipe then the NYERE designi e e bus Max pipe height may be A mag we multiple pipes are selected Ka Ia This eeng ng over locking the inverts as eg 8 this leaves more flexibility for aligning the inverts Ka a Pipe size design Lock pipe
29. requires tailwater conditions Often the invert level on the downstream end of the last pipe also needs to have the level locked to either discharge into a waterway or join into an existing drainage system When the most downstream manhole 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 Revised February 2006 12d Stormwater Design Course Notes Page 53 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Minimum will use the least of the Critical or Normal depths If a fixed level is available for the minor and or major storms these value may be entered here The Pit sump level is used to enter the sump level of the network that is being E rr E er ae E TN CA Outlet data Tailwaker mode Mirdrmun E Pit sump level EES Select Choice x Minimum Critical Normal Current model stormwater Current pit Ai 00000 connected to Optional De Ree CAE Sa ea _ 5 9 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 5 9 1 Invert Alignment Modes 12d has 3 design modes for setting the pipe inverts upstream and downstream of the manholes These work together with the 2 pipe cover modes as
30. section drainage profiles including HGL data flows invert levels serv ice crossings create plan drawings with pipe sizes flows manhole symbols linestyles for pipe sizes design parameters for manhole and pipes and user defined data locate pits manholes at exact chainage and offset locations This user manual will lead the user through the steps itemised above In addition to this manual there is the Advanced Stormwater Design training manual which includes the following topics S S S S S S drainage trench excavation volume calculations pipe and manhole quantity calculation customising the drainage 4d file design or evaluate the drainage system using 12d Drainage or create input files for the XP SWMM RAT2000 Micro drainage Drains and PCdrain drainage design pack ages 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 over land flow flooded width analysis surcharge volumes at SAG pits and detailed drainage plan labelling The terms pit catch basin and manhole are used interchangeably throughout this document The type dimensions and inlet capacities of the structures are set in the drainage 4d file Revised February 2006 12d Stormwater Design Course Notes Page 5 of 94 12d Solutions Pty Ltd Civi
31. sepa rate models 2 End the Tc path string at the manhole 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 February 2006 12d Stormwater Design Course Notes Page 48 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 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 pervi ous paths model columns You could have up to 6 tc string models WW Drainage Network Editor Catchment Pit Pipe DEFAULTS GLOBAL Global drainage data Main Utility Models Catchments Catchment File my catchments Catchment labels model drainge cat labe EZ Label textstyle arial z centre Z i Iw Auto rename catchment polygons WW Catchment File KI EN Head write my catchments catchments Catchment File Im catchments CH Catchment Impervious Polygons Paths Model Model 1 dwg d catchments dr tc impery Felgen Lib User Lib ERROR Model lt dr tc pery gt does not exist Finish Help Model drainage network String P HE f2 Edit File Delete File 5 7 1 Catchment slop
32. size of the grid control select another method ARR 1987 for example and then select IFD table again WW Drainage Network Rainfall Rainfall location File srra l2dhydro CH Rainfall Methods IFO Table ARR 1987 ARR 1977 l H 3 d a D d D q l Si RP2 Int H 2 05 67 95 4 03 60 69 at a Sot ed a2 HD 20 96 RP Int 38 26 aliri 00 25 o1 61 DEE 74 Up 70 92 DO L RF4 Int 10 115 06 107 23 100 74 GE 30 45 06 he DD PERA RPS Int cl 137 16 lei 119 85 113 13 107 43 102 39 arg 93 91 RPG Int o0 166 12 156 35 146 57 138 29 EA 13 124 87 119 32 LI az RP Int 100 193 23 179 53 168 19 156 56 150 29 143 03 136 61 130 87 EE de Finish 7 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 February 2006 12d Stormwater Design Course Notes Page 64 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN BS Drainage Network Rainfall Sas Rainfall location File srra 12dhydro CH Rainfall Methods ARR 1987 IFD Table Intensities rmmlbr yr 1hr Map 1 B2 A ARR 1377 2yr 12hr Map 2 A3 d evr Z br Map 3 11400 d Biker 1hr Map 4 43 00 d SOyr 12hr Map 5 ee H S0yr 72hr Map 6 225 ed Other Factors Skewness G Map 7 O24 eff Geographical Factor F2 Map 8 i426 O d Geographical
33. y coordinate The a SE point selected will move first and the others will Al points with game coordinate Ge follow after the new location has b ted EE ollow after the new location has been accepted Del 3pt curve Verte User Move Finish Help Revised February 2006 12d Stormwater Design Course Notes Page 30 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 0 Drainage Network Editor The drainage network editor is used to automatically or manually change the attributes of your drainage network These abilities include General S Changing the vertical alignment of the network S Setting manhole names s Service Clash Checking Hydrology S Catchment Areas s Checking the Automatic Catchment Linking s Global and Defaults Tab for C values and Te calcs S Drainage Templates s Bypass flow routes Hydraulics S Outlet and Tailwater Conditions The drainage network editor is accessed through the main menu by selecting Design gt Drainage Sewer gt Network Editor The bottom section of the network editor panel is shown below E E LC ES Auko apply w Auto redraw w Se Pit Names Set Catchments _5et Pit Details Feasgeppel Plot import export storm Analysis Pick Edit Finish o begin select a 12d drainage manhole that is in your drainage model In plan you must pick ind accept the manhole and not the pipe Pipes may be selected only in the section view
34. 070 Te90 0 6900 O SPLO 0 800 0 EEGI JU Ee Ce be POO 90 22 E Ed Ed Ed PM D gp pc Cp 1a aa a zl ml ab m rr a rm fe fal Jaa hupordes WPT CG GCL Olli GET TOF GET GET GBT irs im in ert SO La IEkeh Al yir gar grat OSE TETE Tasen E T oi T Sri BFL OSE FRET lt lt fae St oi 1 SEI Lt OSE The MAL Fo E z a Sp TSE Sgr X MEA E oF Zi gett Gert OSE E S Tan Zi oi 1 7 eent eent es wl j i i BOTI ROTID ezte fer edig a1 edta t g en Sita edi aita Sta Sens Hz SI IDET DOT TOSTE CES Imac era To 0 rareoybooy u gfertmres Wows beren JIDAJ eater 1 ryoeforg usag BIOS Jeer F ISI LESHE BETES STIS TATON J21 OT TREID Ay eieupeng ion Leese egolpryp iin rert 06 06 O G r ZL ggs snotareduy EPST o GN S775 Shake BnotATIag LE 06 D n EMA ggs SnorAteOut Z8ter 0 570 Ak Shake SnotAIad T Z 06 UN G r ZL ggs snopareduy zeso o GEN S775 Shake BnotAIag T 06 060 EMA ggs snoparadur Donn GN 7 Gp kuk snoparad F T 06 06 O EMA ggs snotareduy LZ80 O0 GN 76 goot SnotAIag T I fey 7 fmm Drum A diur a e I ol ect JI ESIY JJL yyjouny Atsrtaunt AII PUETI iTd Lael Way lt IiPoyIeW 2 EMOTAISA L861 Way Dou TTEJUTeY 4331 Td IDOYUISH OL CIPAYUPFT BITSQUED LOY SAY EIT Sat t UWOTIPOCT YIODAJ U sheuteip I YIORIo4 DEUTEN T zgalar AU eg DDIOLS IESE Z IOUTH LESHS NHA S540 IWNICKZIOSOLAH TA0O0N AZTI qda AborozoG uabeurteIowgnnrtLVv g
35. BABAR Ip 27 3961 3 68100 Do A sa Song omg A 6100 C BA BAR asp 29563 B 72072 AA BAR 291026 1026 7 62469 A AQ BAR a DO B 862469 A Jop Jsa Zeil 27 7059 9 62469 A Ja 5A So 28 7518 10 62469 A IAS Sai SI 250244 OI 62459 A Jop BAR 2532 25 2942 GI 62469 AAW BAR MR 246672 13 62469 B BA BAR 31259 312759 14 192066 B B2 BAR 2335 2930 15 192066 B D BAR 2913 29073 el 192066 Bo JBA BAR 280444 278951 17 192066 B De Sai BAA 252947 1B 192056 B o A BAR SS 19 192066 SEEE Duplicate Definitions Strings Variables such as direction are may be defined for numerous manholes on the same string Searching in a top down direction through the file the last definition found for the string will be set Invert levels may be set via pipe data or pit data or combined It is recommended that the user only use one method and not combine them Both are exported so delete the ones you are not going to use The variables are processed from left to right so if duplicate definitions of an invert level or found the right most data will be set The format definition 1 Rowl column must contain either 12d or from to Therefore the first column must be a 12d drainage variable cannot be a user defined attribute 2 Row 1 The text lt pit gt at the top of the column indicates the column contains a user defined pit attribute and similarly lt pipe gt indicates a us
36. Notes Page 68 of 94 12d Solutions Pty Lu Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 7 3 The Run Button and HGL data on the Section View When the Run button is selected the discharges are calculated the HGL check is performed and the pipes sizes and inverts are designed if selected The plan and long section drawings will also be 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 diainage gt 1 View Settings 1 X Geom annat nce a Grade annot Show HSL W Exaggeration H amp L colour yellow Hl Set Finish Help 7 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 February 2006 12d Stormwater Design Course Notes Page 69 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN MB Text Creation Edit WW llzell Change to File Select the folder icon and then pick the formatted Text Input Type File text file It will be displayed then select Set te vm i Next select the location in plan for the text Text File lh hydrology rpt P The font selected must be a fixed space font or the Text Parameters data will not align properly Box Wo Shadow
37. Regrade Network later to adjust the trunk line levels 4 5 Manhole Setout Point setout strings and selecting the location for the manhole centre The centre of the manhole x y and z need not be the manhole setout point used in the setout tables The setout location can also be set independently of the level It is recommended that you place the manhole so that the pipes are shown in the desired location and then use the desired option for setout With the pipe in their proper location the pie cover and service clashes will be calculated correctly The default settings for the manhole setout location are found on the network editor defaults pits setout data Revised February 2006 12d Stormwater Design Course Notes Page 22 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Key Points in Using Setout Strings 1 Enter the road models and the strings names identifies via the Network Editor Global Util ity Models tab Road design file 2 Specify that these strings are to be used Select Setout string for the XY or Z setout modes on the Defaults gt Pits setout area or Pits gt Setout tab 3 Select the Set Pit Details button Location Road Centre Line Road Chainage and offset Setout String x y from setout string Manhole Centre x y at manhole centre X Y Option 1 Manhole Centre The x y location will be the centre of the manhole X Y Option 2 Road Centre Line The road chain
38. Set Pit Mames Set Catchments Set Pit Details ie 9 SW Boars Da Regrade Pipes Dot Import Export Pick Edit Apply Finish Storm Analysis Revised February 2006 12d Stormwater Design Course Notes Page 66 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor Storm Analysis Drainage model my drainage Analyse network w Storm Factors Rainfall location file dney 12dhydro Rainfall method IFD Table Return period years 5 0000000000 Minor gt Partial area effects Event type Generate results in plan w Drainage plan PPF ge drainplanppr oa DRM PLAN PLOT Si Clean model beforehand Hi Model For plan results Generate results in long section jw Drainage long section PPF sinage drainppf Ga Model stem For long section results IRN LONG PLOT Clean modelis beforehand wi Network design Factors Allow part Full pipe Flows Design pipe inverts Design pipe sizes Preferred pipes file metric pip Upsize only Generate hydrology report w Formatted Ka hydrology rt a Overwrite existing report File wi Report type Hydrology report File generate hydraulic report jw Formatted Ka hydraulic rpt CH Overwrite existing report File wi Report type Hydraulic report File _ Run Back to Editor Help In general the Analyse network is always selected If you only want to plot or creat
39. 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 Road Chainage and Offset Pit Schedules use two user defined attributes for each pit The first is ctrl string which identifies the string that the pit will be offset from and the second is ctrl model which contains the model name for the control string These may be manually created modified using a spreadsheet or the attribute editor The easting northing data obtained for the road design string option is obtained by dropping the manhole 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 manhole cover levels are recalculated drainage misc utilities and during drainage export recalc level option must not be turned off The cover elevation data obtained for the road design string option is obtained by dropping the manhole centre perpendicular onto the selected road design string and obtaining the elevation at this point This data is stored as pit attribute level z It is calculated when the manhole cover levels are recalculated drainage misc utilities and during drainage export recalc level option must not be turned off 12d Stormwater Design Course Notes Page 83 of 94 COURSE NOTES STORMWATER DESIGN 12d Solutions Pty Ltd Civil and Surveying Software 11 0 Long Section Plotting
40. URSE NOTES STORMWATER DESIGN 4 1 3 Pipe Defaults Drainage Pipe Defaults le The pipe diameter is set in metres or feet not mm or inches Set this to a minimum pipe diameter for your pete om E project and then your drainage design package can Minimum grade Dot D increase them if required To model an existing system Minimum cover Di D enter the most common pipe size and then alter as Type ric required in the network editor Set Finish 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 manholes 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 downwards to achieve the cover required 12 defines cover as Cover surface level diameter invert Therefore an allowance for pipe thickness may be added to the minimum cover 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 Select the drop down icon beside the Type field to select from a list of pipe types These pipe types will be sent to your drainage design package so make sure you use the same names in 12d a
41. above A new model will be created Now select the tins to combine Tin 1 is the tin on the bottom like the levels in a building and tin 2 is above 1 e wherever tin 2 exists it will be used If there is no tin 2 at a location then tin Iwll be used elect the tins using the icon and then click Create to create the supertin Tin Colour ME To change the colour of the design tin use Tin design b Tins gt Colour gt Colour of tin Colour Ire E Select the design tin and choose a new colour and then select Col Tin lt design gt exists our to change the tin colour you may have to do a Menu Colour Finish Help gt redraw on the view to see the new colour Revised February 2006 12d Stormwater Design Course Notes Page 15 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 0 Drainage Layout 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 man holes are to be placed Inlet manholes are then placed at critical locations sag points upstream of pedestrian crossings etc and then the spacing of additional manholes is determined by the size of the catchments Finally the pipe drainage system can be created linking the drainage manholes However during training most users want to get straight to the manhole and pipes Therefo
42. ace will not be stored Pipe names are included in the data so that they can be changed but they are not used to iden tify the pipe Pipe data will always be assigned to the pipe following the pit in the direction of ascending chainage If flow directions is ascending then the pipe data will be for the down stream pipe If the flow direction is descending then the pipe data will apply to the upstream pipe 8 4 12d Drainage Variable Names pit low ch invert diameter pit high chinvert length pit road chainage grade J pit road name flowhal fJ high hgl E pit drop pith fJ o o tpit depth Jon ooo Dt chainage velocity J E ch Kl WE Ke BG Te eley ne eley Alt id cover elev fT Revised February 2006 12d Stormwater Design Course Notes Page 79 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 9 0 Reviewing Changing and Creating User Defined Attributes The catchment data is stored within 12d as user defined attributes These attributes are automatically created by 12d when required but you are free to change them or add more as desired The attributes may be exported to a spreadsheet and edited and then imported back into 12d To work with the user defined attributes within 12d select Design gt Drainage Sewer gt More gt Top 10 Attribute Editor Top 10 Attribute Editor Pick sting ist irst Select Pick to select the string that contains the user attributes the
43. age and offset are measured perpendicular to the road centre line out to the man hole centre or setout point Revised February 2006 12d Stormwater Design Course Notes Page 23 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN X Y Option 3 Setout string The manhole centre is dropped perpendicular onto the set out string to obtain the x and y Z Option 1 FS tin The manhole setout level is obtained from the finished surface tin at the manhole centre Z Option 2Setout String The manhole centre is dropped perpendicular onto the setout string and the level is obtained from the elevation on the string 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 ee _ a ee im trom back of kerb setout point x y z 4 6 Creating the Drainage Strings in 12d Drainage strings can also be created in 12d A drainage string is created by selecting Design gt Drainage Sewer gt Create Revised February 2006 12d Stormwater Design Course Notes Page 24 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN nate TP you have already created a drainage string click Model ainage network El the Same as button and select the drainage string to Colour fred Hl obtain the panel values from that string After selecting EE ascendin
44. age strings Naming the strings is highly encouraged The drainage lines must have string names to use the Set Pit Names feature on the network editor Manholes can always be renamed in 12d after the import is complete 4 4 Drawing the Drainage Network in 12d The 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 manhole 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 Draw all drainage lines in the same direction Either all uphill to downhill flow in the direction of increasing ascending chainage or downhill to uphill flow in the direction of decreasing descend ing chainage You choose but they all must be the same If you choose descending chainage then you must select Pipe gt Default Grading then Grade to have the grading applied to the drainage string The 12d drainage network editor and the drainage design software packages have sophisticated algorithms to set pipe inverts as well Consider this grading a preliminary estimate 3 If you create the trunk lines before the branch lines you will have to select the
45. ages and offset calculation panel will be displayed so that the this data can be updated before the report is generated see below Easting Northing Location choice box pit centre road design string Revised February 2006 12d Stormwater Design Course Notes Page 81 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN easting northing data can be from the manhole centre or the x y location on the road design string that the manhole has been linked to Cover elevation location choice box pit centre road design string the cover level elevation can be from the manhole centre or the elevation on the road design string that the manhole has been linked to if a link has been made then these values should be the same Note that the road design string data is NOT calculated at this time These are the values calculated from the Drainage Misc Utilities or the last drainage data export Process button Create the pit report 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 th
46. ail 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 Revised February 2006 12d Stormwater Design Course Notes Page 91 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Label Chainages on String IOl x Data to label NS a a aH a m Model kerb strings join be Enter the model name for the kerb strings Label mode me elect crests sags from drop down list mia Ir ma Ia Start chainage tis End chainage sd D Special chainages Chord 4rc tolerance bi D Labels Marks Model For labels crests and sags Stem For labels E ter a model to contain the text labels A 1 after the model name requests that the model be added to view This saves you adding the model to the view later to see the labels Textstyle info elect icon to define the text style dec pl For labels S toen 8 Cas gt Optionally select heights and not chainage Null Heights Add TC cT etc Select the Marks property sheet choice ok Points Label Finish Help Labels Marks Type the same model name as above for the Model for marks crests and sags E f tick marks Mode for marks ticks centered F B to select ticks centred from the drop Size for marks w 5 down list Colour for marks bei tid 5m white marks stand out well
47. asInOBOOl Gw aqta 12d Stormwater Design Course Notes Page 72 of 94 Revised February 2006 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 8 0 Drainage Data Input and Output to Spreadsheets Spreadsheets are an effective method to manage the numerous variables 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 manholes cannot be added to existing strings See also 12d to spreadsheet transfers Spreadsheet to 12d update and create Spreadsheet options 8 1 12d to spreadsheet transfers This interface is accessed the Import Export button on the Drainage Network Editor Revised February 2006 12d Stormwater Design Course Notes Page 73 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor Import Export Sas Select Export SE medal me Select Spreadsheet clipboard UO action Export UO Format Spreadsheet clipboard 1 2 File name clipboard txt Ga Export o
48. ater Design Course Notes Page 88 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN E plan 1 J Ft Pan Pans zoom strink Prev Toogle 2x 2x Pict menu Accept Restart Typed input Snaps cog EEA AA Find by nal Create Snap Create E Info Divide Point Cancel Fillet ne Between Perpend Projection Tangent Parallel Intersect Locate 2 LB select but do not accept the road centre line control string 3 To place the manhole across from chainage 2100 Type ch2100 then press enter Revised February 2006 12d Stormwater Design Course Notes Page 89 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Intormation Ei model 2 road cl x name doo Enter S YZ Lat E type Alignment colour orange line style CENTER ptiline line length 513 918 Line Snap x 5512 906 y 529 406 2 29 545 prof ch 169 526 prof z 29 545 brg 69 59 59 98 segment length 283 444 ye 4 MB accept the inserted point This identifies the point on the control string Next 5 LB select the lip line then MB accept The construction point will be displayed on the lip line x lok road strings 355 008 336 486 30 26 30 26 6 MB accept the construction point to place the manhole 12 1 2 Placing a manhole at a Specific Distance Offset along the kerb string When appending d
49. ct gt Restart and DO NOT SAVE because you have cleaned your drainage network The 12d ascii file may now be imported to another project via File IO gt Data input gt 12da 4da data Since the global and default values are stored as model attributes they will be imported with the network 5 6 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 Hydrology 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 5 6 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 manhole and the Set catchments button is selected this string area will override any manual value that you type into the drain age area field To ensure manual entry is maintained RB select the string selection button and select Clear Revised February 2006 12d Stormwater Design Course Notes Page 45 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 6 2 Coefficients of Runoff Global Settings aaa E Drainage Network Editor Catchment Pt Pipe DEFAULTS GLOBAL Global drainage data Main utility Models Universal data
50. ction will stop pipes in the system from being reduced in the design Regardless of this selection the 12d design engine will not allow a smaller pipe to be selected in the downstream direction 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 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 4 Report type Formatted l pA E Hydrology report File fh vdrology rpt D EE Overwrite existing report File Comma delimited Tab delimited Pon hydraulic report A Report type Formatted Revised February 2006 12d Stormwater Design Course
51. d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Check that the Text is toggles on If it is on then walk right and ensure the text 1s turned on or n a for your drainage network Culling ott Linestyles or Sewer off Test on V Vertices off Vertex no s orf 2 values na Names n a Arc centres off Tin contours on Tin edges off Tin flow off Tin solid oft Grid off Rasters nra 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 JI VIe OoOo Text draw mode DI el Quick threshold pix h5 gg None threshold pis IG lt set Finish Select drop down and change to full ick threshold and None threshold if these values are too ge the text will not appear on the screen Either decrease these values or increase the text size 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 5 2 Labelling the Manholes and Pipes To label the manholes and the pipes use Drainage Plan Annotations
52. e Pipe properties pipes and pipe SIZES Mannings n roughness 0 0 selected by checking the b3 pit freeboard Direct pipe Flow 0 Part full Pipe Free board Design is similar Invert design Alignment mode Minimum Drop ae ss 7 SCHEER SECH 0 02 Ai hydraulic jumps are cal Pipe cover limit 0 65 kd culated in the pipes Pipe cover mode Minimum Depth Critical depth is the min Minimum grade DEE d imum depth at the upstream end of the Pipe size design pipe Design mode Pressurised Pipe Freeboard Design Freeboard limit at US pit O15 d Flow depth limit at pipe entrance wo 0680 d ge E Kee EEN fA oi Se em 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 this value 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 Setout level minus setout to grate offset The Flow depth limit at pipe entrance is used in Design mode 3 If the normal depth in the pipe is greater than this value the pipe size is increased 5 8 5 Outlet and Tailwater Conditions The most downstream manhole on each network
53. e equal area The length of this string 1s 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 downstream finishing nearest to the manhole they are to be linked to The line style for these strings must be the flow line style found under Drainage 12d in the linestyle drop down list Revised February 2006 12d Stormwater Design Course Notes Page 49 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN GC Plan 1 DESEREREEEE The equal area slope is calculated at export time After the export the slope string it may be profiled to see the slope see below E I 3 2 7r 5 8 Network Editor Hydraulics This section will discuss the hydraulic Global Defaults and 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 5 8 1 Setout to Grate Offset The grate level is used by 12d when determining the freeboard and when calculating depth of flood ing at SAG pits The grate level is often exported to other design packages The grate level is calcu lated as Grate Level Setout z Setout to grate offset The setout to grate offset is generally zero or negative and implicitly set on Network Editor gt Defaults gt Pits gt Setout to grate offset or
54. e 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 INV LEV 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 100 450 000 900 000 229 28 590 295577 i027 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 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 gt NORTHINGSTATION CTRL OFFS TYPE REMARKS Revised February 2006 12d Stormwater Design Course Notes Page 82 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN A 1 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 T 5152 699 7322 036 29 241 d002 7 450 Notes Revised February 2006
55. e the reports then remove the tick Storm Factors 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 Rainfall method field will be completed Otherwise select the Rainfall method desired The valid Return period will depend of the method selected but you cannot extrapolate beyond your data Event type determines which set of design values minor or major will be used for this run Enable the 12d rational method engine partial area calculations by selecting the Partial area effects box Network Design Factors Selecting Pipe Sizes These values control the values to be designed in the run If Design pipe sizes is selected then a files containing the available pipe sizes must be supplied The pipe sizes in this file are in the Revised February 2006 12d Stormwater Design Course Notes Page 67 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Units specified in the drainage network editor To create a new file enter the file name and then select the folder icon followed by the Edit line The following panel will appear iol x The diameters heights are required and the width is optional to specify a box culvert B Preferred Pipes File YOU MUST SELECT THE WRITE BUT TON Pipe file Class 2 pip O Read write The Upsize only sele
56. ect 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 IOl x p Mame lee Colour TE a Slab v Factor D i E catch labels PHA Go VeRO 1 bottom right Set write Finish Help Select Set to store the textstyle favourite for this sesston_only To permanently save this text style favourite and have access to it in all of your projects select Write and the following Revised February 2006 12d Stormwater Design Course Notes Page 41 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN W Write Setup File textstyle_names 4d BR iol x Found folder textstyle names dd not found e EE Select the User folder Eeden Select Write to save the favourite to the Ce User folder User folder GC Program Fes 2d 2trodel7 cowser If you are in a network environment and want to see if you have write access to this files select the Properties button C Other Folder Folder Cliedi GC oursesl O0 Draina e S write Properties Finish Help Label Catchments AA Finally select Set catch Model i Strin Pit a SE i ments This will link the Drainage model loaded catchments to the man Auto apply w Auto redraw w holes and label the catch Set Pit Names Set Catchments Set
57. eight 54 5 9 1 Invert Gerten eg 54 5 9 2 Pipe sizes Max pipe height and Multiple Pipes and Box Culverts 55 5 9 3 Pipe Size RE 55 5 10 Road Design File for Pit Setout x y level road chainage and setout offset 56 5 11 Calculate Bypass TOW LOULCS eendeitege ege ee 59 ON Service and Utility Clashes enses on a O EE a 60 7 0 Drainage Design in 12d Drainage Design scsssscscscccccccsssssssssssssssccccccscsscsssssssssssecs 63 EN 12d Rational Method Hydrology Drainage Rainfall Editor cccccceeeeeeeeeees 63 Teld SKI 63 TAD Australian Rainfall and Runoff 1987 Method 64 7 1 3 Australian Rainfall and Runoff 1977 Method 65 Ee Drainage Netw Ork EE EE 66 7 3 The Run Button and HGL data on the Section View ccccccccesecceeeeeeeececeeeeseeseeeeeeeees 69 7 4 Importing Fetten Keele a eee A 69 7 4 1 Desom Eeer ee ees 71 8 0 Drainage Data Input and Output to Spreadsheets cccccsscsssssssssssssccccccccsccsssssssssscees 73 8 1 12d 10 Spreads EE 73 8 2 Spreadsheet LO L2G EE 74 8 2 1 Updating an Existing Model ss 250scc05o2eseudcsaabessatesanvansabasiniuaaatdaonusiauisaniadeigawnteiends 75 8 2 2 Creatine a New Mode EE 76 8 3 12d drainage spreadsheet Formaticinericsiiai ie a i Ee eg 71 8 4 12d Drainase Variable Names aroem EE ee 79 9 0 Reviewing Changing and Creating User Defined Attributes ccccccccccsssssssssssssssssces 80 10 0 Manhole
58. enever you are creating a new attribute Revised February 2006 12d Stormwater Design Course Notes Page 80 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 10 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 More Drainage gt Pit schedule Pit Schedule fel Drainage model name drainage network Drains l Pit Schedule file name IPit_report txt a Report format Easting Northing el Data delimiter Tab el Repeat header For each line S Galtulate road chainage othset Easting Northing Location Cover elevation location pit centre ei choice ok Process Finish 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 header for each line tick box selected when selected the column headings will be printed each drainage line Calculate road chainage offsetstick box selected only used for road chainage offset format When selected the road chain
59. er defined pipe attribute 3 Row 2 This row contains the names of the 12d drainage variable names and the pit pipe attributes All names are case sensitive so be careful where you use capital letters A list of 12d drainage variables is found below Names beginning with an asterix will not be processed except pit string names when unique identifiers are present in the data 12d drainage variables names beginning with an asterix indi cate that this data was calculated at export time and cannot be read back into 12d for example pipe length pipe grade and deflection angle Revised February 2006 12d Stormwater Design Course Notes Page 78 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Prefixing an user defined attribute name with DELETE no quotes note the space after the DELETE will cause the attribute to be deleted from all pits pipes within the model Row 3 The text in this row define the type of attribute to be stored within 12d The only valid choices are integer real text If you want to change an attribute type you must delete the attribute and create it again If you simply change the attribute type in the third row then that attribute will not be updated 5 Blank lines may be inserted as desired You are not required to fill in all of the cells in the spreadsheets Blank cells are ignored you must use a space to remove all data from text attributes the sp
60. essseseseeeeeeeeeeeeeeeeeeeeeeeeeeeeess 2 4 9 Flow mthe W rome Direction eege 28 4 10 Drainage Section Views and Plots in the Wrong Drecton 29 4 11 Moving Adding and Deleting Manhole ssseeeseeseeeesesseseeeeeeceseeceseeeceeeeeeeeeess 29 St Drainase Network EAHOT ere eege 31 5 1 Settings manholes names Cand Pipes BEE 32 SILl PIS EHNEN 33 SES abelline the Manholes and EEN 34 32 1 Turmo View Text Manhole Lapel Siec a NA 36 KAP Mova Te inara ame beste ence alsa eatuae Cutdeda satiea onan tonaaaneeontoaaee rade 37 5 3 Catchment Ar AG ips tas cates a a a dean tatesauesidacs cians toltpeemiaaeSeecewes 38 5 4 Network Editor Global Default Settings and Explicit Settings ce cccceeceeeeeeees 45 5 5 Ereegnesser 45 5 6 Network Editor I VATOIOS E 45 5 6 1 Catchment EE 45 5 6 2 Coc THCICMIS Ol eene 46 5 6 3 Percent PENON EE 47 5 6 4 EENEG 47 5 7 WC PAG ENEE eebe a E 48 5 7 1 Catchment slope egual Area EE 49 5 8 Network Editor Hydraul E 50 5 8 1 EE to Grate OLS ee 50 5 8 2 Pit Losses Ku and Direct FIG W cannonu Ale gel 51 5 8 3 Pipe ETC HOM IVICUIOG EE 51 5 8 4 Pipe Friction Values and Freeboard Limit ccccceceseseseeeeeeeeeeeceeeeeeeeeeeees 52 Revised February 2006 12d Stormwater Design Course Notes Page 3 of 94 5 8 5 Outlet and Tailwater Conditions ccccsscoscoscoscoscoscscscoscesccscescescescescescees 53 5 9 Pipe Design Parameters Sizes Invert alignment Min Cover Max H
61. explicitly on Pits gt Main gt Setout to grate offset Revised February 2006 12d Stormwater Design Course Notes Page 50 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 8 2 Pit Losses Ku and Direct Flow Drainage Network Editor Catchment Pit Pipe DEFAULTS gLoBaL Default data For blank Fields Catchments Fits Pipes Inlet data Setout to grate offset Foi df z Direct flow If Pit loss Ku tl 5 8 3 Pipe Friction Method E Drainage Network Editor Catchment Pit Pipe DEFAULTS GLOBAL Global drainage data Main Utility Madels Universal data Units Metric ES tin combined SEI NS tin existing SEI Catchment data Runoff method Direct gt Imp C minor o 9 EX mp Ctmajor jog OOO Pipe data Pipe roughness type Manning Ka Allowable normal depth velocity ranges Part Full Flow bk ko 7 Full Flow 0 6 to 6 oe aa ea Revised February 2006 If the setout point was on top of the kerb enter the Setout to grate offset so that the overflow level of the man hole can be determined The Direct flow cms cfs is water flowing into the man hole It is not added to the approach flow and therefore is not affected by manhole inlet capacity The Pit loss Ku is used to model the energy losses through the manholes P N e Global friction loss ethod for the pipe rgughness method is set re Colebrook or Man ng The defa
62. f you Model For plan annotations rm ater labels EZ Clean model beforehand Iw have not manually moved any of your manhole labels Turn off the long section plot for now Select Plot Generate long section plotis Now add the Model for plan annotations onto the plan view Flot Back ko Editor a amp 30 el el a D 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 labelling routine to update the labels 5 2 1 Turn off View Text Manhole Labels To turn off the automatic view text manhole 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 Revised February 2006 12d Stormwater Design Course Notes Page 36 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN MF Plan 1 ine Culling off Linestules on Sewer nra Test on Vertices otf Vertes no off Z values ra String names rive Arc centres off Tin contours on Tin edges oft Tin Flow off Tin salid ott Grid otf
63. ff Keep the height snap off For locating manholes 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 sepa rated by a space MM Enter 2 Enter 2 To place the manholes at a specified distance from a point use the RB and select SNAPS COGO gt Locate gt 0ffset 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 capability 4 8 Junction manholes on Trunk Drainage Lines Key Points 1 The branch line must Point Snap onto the centre of a manhole on the trunk line 2 All strings must be in the same model Trunk drainage lines are created the same way as the branch lines except special care must be used when placing the junction manholes When placing the junction manhole 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 manhole so that you can snap onto the centre of the man hole A manhole 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 manhole 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 1s a point snap and the informatio
64. file String P Pig Je Every manhole can have 3 catchments row 1 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 manhole 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 manholes 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 Revised February 2006 12d Stormwater Design Course Notes Page 40 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Catchment labels model labels Sree ere AN WE IIe E Impervious paths model Pervious paths model Favorites Ing Favorites el Select C C noir Text style fi oo Overland Flow Bypass how model E SEN Sch i Text units world 7 Road design m _ Height tu up Road design file C 2 Offset fu fo Service clashes Raise tu fo 4 Service clash File C ae E Justify Kette K alle Angle ay Select Slant Le a Edit s Factor i Edit text style ok ant network drainage network De 5ameas Clea Finish SP pit es Select the textstyle button and then the drop down for Favourites Now sel
65. g chain the string change the string Name Tin Fs combined CG Tin ns existing survey be Many strings a Model lt drainage network gt exists Create Same as Finish Help 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 manhole names Examples of manhole naming schemes available for a string labelled lt B gt are B1 B2 B3 or 1B 2B 3B or 1 B 2 B AIR etc Sequential numbering all of the manholes 1 2 3 etc is also an option The manholes 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 1 e add a new string 2 when strings 1 2 and 3 already exist then name the new string 1 1 for this example and then use the Strings gt User gt Set String Name by number command Drainage String Create Panel Mame E D For auto manhole naming every drainage string must Madel fanage network E have a different name Colour fred D All drainage strings for the one outlet should be in the fascending chain D same model Only drainage strings should be created in Flow direction this model If the model does not exist it will be created Tin fs combined ve Tin ins fexisting survey b i Colour will be the colour u
66. hment is indicated when the manhole is selected using the network editor Since there may be three catch ments per manhole the catchment data last viewed in the editor is the catchment that is highlighted 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 displayed in the plan view Revised February 2006 12d Stormwater Design Course Notes Page 44 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 4 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 manholes or pipes Defaults values may be overridden by explicit settings found on the catchment pits or pipes tab Explicit manhole pipe settings need only be specified if the default value is not desired 5 5 Drainage Templates The default and global settings may be saved as a template for other projects networks After set ting the defaults for a network follow these steps 1 Save the project We are going to do a clean where there is no undo 2 Clean the drainage model so that all of the strings are deleted but the model attributes will remain DO NOT SAVE YOUR PROJECT 3 Export the model using File 0 gt Data output gt 12da 4da data 4 Restart 12d Proje
67. ill 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 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 Revised February 2006 12d Stormwater Design Course Notes Page 58 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 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 on the manhole to be printed in the manhole 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 manhole The Setout String location obtains the z level from the setout string as described in the section above Explicit settings and the auto calculated value are found on the Pi
68. in long section w Drainage long section PPF water drainppr a Model stem For long section results rater LS plot Clean modelis beforehand G Back to Editor Tab delimited 12d drainage spreadsheet format or from to format data must be on the clip board in order to update a 12d drainage model or create a new model These format are described below 8 2 1 Updating an Existing Model The data usually is generated by 12d using the Export option pasted into a spreadsheet and then copied back to the clipboard so that 12d can be updated When 12d exports the drainage model to a spreadsheet it includes a column for the unique string identifier and a unique manhole identifier unique to the drainage model not the 12d project The names of the strings and manholes may be changed via the spreadsheet if these columns are present at import time If the manhole id column is not present 12d will search the drainage model for a matching man Revised February 2006 12d Stormwater Design Course Notes Page 75 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN hole name When the manhole is a junction between drainage lines only the trunk line will be the data updated 8 2 2 Creating a New Model It is possible to create a new string or an entire drainage network using this format However man holes cannot be added to an existing string The entire drainage string must be created at once
69. in plan Revised February 2006 12d Stormwater Design Course Notes Page 93 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN THE END Revised February 2006 12d Stormwater Design Course Notes Page 94 of 94
70. ine on the Section view 5 Output window data Service utility clashes Samples of the hydrology and hydraulics report are shown below Revised February 2006 12d Stormwater Design Course Notes Page 71 of 94 12d Solutions Pty Ltd ng Software a vil and Survey H C COURSE NOTES STORMWATER DESIGN Cl P wi E rs Pei S gp es D D Uu OFT 2 T MOTIUI eso ll ll al TE OTT TE FI re OTT ra OTT A Ad TY imi en ITH pIrog a Weg Teo HH HH AJAD RX a HH eil Ar S NdA g nt Obl FtsZ Dt wo TELE git Obl 95 Sz EDT DH I FtsZ mt DO T TZ EZ tel nl et Sey SEIN TA TH edt 414 80 TTE T TE D CR D CR O amp O 6 o aT O OT Oo FT O fT E T EFT WI kee NU kel EL TETAIeA 35 97 Lt ke Be SEKR roe ae bs Dem Dt Kafe Chat SEED 2bbu O pb Ou 6390 O0 E T a P u m a EM Ei cde c F Le el KN CH LIES ZE 1 EPTO apoo 0 LETH O LETOO tepai PTOd Oo BLO 0 STOO oO OL90 0 ccoa 0 GER aL SE THF 80 az Td Teac J r o tT ei TIJD TIHA oR To FE FR Fo id Lt 4 Ei Ei EA EM Le e TL cd TST 0 cLPP O babu U DLaU D Frio eu Wo wns Tita KOR FE GSE 66 ST OT az Cert 0 6000 L6TP O SLZ0 0 TErO O das BLPO O TEDO O Dap 0 Froo 0 We 60 cT ER r EM TA Teaco EN Et keaat 659T 0 Feta oO Poo Oo Ho 70 BLFO 0 30
71. ish Help Note that the panel will list the tins not the models that contain the tin Remember a tin is like a string It has a name and is stored in a model Warnings about using tins If you place a manhole outside the tin boundary s then no elevation will be set for the top of manhole 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 February 2006 12d Stormwater Design Course Notes Page 17 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 4 1 2 Manhole Defaults The manhole diameter is specified in metres feet D x not mm inches Although most stormwater man Diameter E D holes are rectangular 12d uses circular manholes to Drop bn 4 eliminate problems showing the alignment of the ani IR manhole If the actual dimensions and orientation of the manhole need to be drawn on the final con Type S el struction drawings a symbol may be used in the drainage plot annotations Set Finish ep The actual internal manhole dimensions and a detailed manhole de
72. it name pit name the downstream pit name ds pit name and the x x location and y y location coordinates of the upstream pit If the string is to join a trunk line the junction manhole must be included for both the tributary and the trunk line An optional column for the manhole cover elev cover elev may be specified Once the net work has been created additional pipe and manhole data may be added using the 12d drainage spreadsheet format described above An example file exists called new_from_to_network txt is supplied in the library It is shown below Open this file in a spreadsheet or a text editor and copy it to the clipboard Enter a new model name in the Drainage model field and select paste The new drainage model will now exist Revised February 2006 12d Stormwater Design Course Notes Page 76 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Au AS S201025 7322 035986 27 9127 P 6152 698693 7322 035975 25 7672 1444 4 8 3 12d drainage spreadsheet Format Each column of data is used for a 12d drainage variable or a user defined attribute Each row rep resents a manhole and the downstream pipe controlled by the direction of flow variable within the drainage network A sample is shown below Revised February 2006 12d Stormwater Design Course Notes Page 77 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN DO
73. l and Surveying Software COURSE NOTES STORMWATER DESIGN 2 0 Setup Files and Their Locations The drainage module consists of the optional 12d Drainage engine utilities startup configuration files for RAT2000 XP SWMM and the 12d drainage configuration file drainage 4d Demonstration versions of Drains RAT2000 and PCdrain have been included on the CD along with a copy of the ILSAX hydrology package Manuals for the ILSAX program may be obtained from the Civil Engi neering Department at the University of Technology Sydney 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 capacity tables for RTA NSW Road and Traffic Authority standard pits Detailed pit type descriptions and internal pit dimensions can be included in this file to be inserted into your pit schedules For PCdrain users there is a routine to read your gully pit file and include these pit types in 12d 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 RW Edit Drainage 4d E B E Select the Find button to search the 12d path for the current drainage 4d file
74. lting Freeboard in the US pit Part full Pipe Flow depth Design Same as above but pressurized pipes are NOT acceptable The pipe size design analysis is based BOTH on the resulting percentage depth of flow in the pipe entrance and the resulting Freeboard in the US pit Open Channels Freeboard Design When solving the gradually varied flow equations in the upstream direction of a pipe or open chan nel if a hydraulic jump occurs the US pipe HGL is set to normal depth This method is good for open channels or pipes where the pit directly upstream is a dummy pit with minimal losses The pipe size channel size design analysis is based only on the resulting Freeboard in the US pit 5 10 Road Design File for Pit Setout x y level road chainage and setout offset The road design file is used to automatically link the manhole to a road setout string and a road cen tre line string Explicit picking of these strings may be found on Pits gt Setout gt String selection These strings may be used calculate road grades and crossfalls bypass model required and or con struction setout data The construction setout point defines the location on the manhole to be printed in the manhole schedules plotted on the plan annotations or listed on the drainage long sections The setout point and level can be set to the centre of the manhole or it can be linked to a road design string The setout level plus the Setout to grate offset determines the grate
75. lvert height and minimum width is checked 5 9 3 Pipe Size Design On the Pipe gt Design tab the Lock Pipe size prevents 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 Revised February 2006 12d Stormwater Design Course Notes Page 55 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Pipe size design Lock pipe size Ss Select Choice Pressurised Pipe Freeboard Design Part Full Pipe Freeboard Design Part Full Pipe Flow depth Design Open Channel Freeboard Design The figure above shows the 12d pipe design modes Pressurized Pipe Freeboard Design When solving the gradually varied flow equations in the upstream direction of a pipe if the HGL is ever below the obvert the US pipe HGL is set to the obvert This is the simple and conservative method in the example shown in the ARR 1987 The pipe size design analysis is based only on the resulting Freeboard in the US pit Part full Pipe Freeboard Design When solving the gradually varied flow equations in the upstream direction of a pipe if a hydraulic jump occurs the US pipe HGL is set to critical depth This method is good where part full pipe anal ysis is allowed but pressurized pipes are also acceptable The pipe size design analysis is based only on the resu
76. n Plotting cd Utilities Delete Colour Section DES LS Drains gt A Bals shae Corridor PEE Settings gt Corridor and then set the Width left and E Seel i qT OOOO EER 2 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 VIEW fa ES dene cl El Use the N ext and Prev but ton to switch drainage width Fight ji D swine Overlap Left po Overlap Right bn l Chord 4rc tolerance nn zl 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 The service clash model list is entered on the Global Utilities Model field Revised February 2006 12d Stormwater Design Course Notes Page 60 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WS wd zl Service clashes ii Service clash file services clash C a ie i EE WT M To create a list enter a list name select the folder E Service Clash File icon and then select edit In the Service model column RB to select the model Enter Minimum Clearance for the serv Service clash File Jservices clash oa Read Writel Service Minimum ices in this model If different clearances are Clavel
77. n panel indicates that we are snapping to line 2 The infor mation panel also indicates the snap was a point snap B Plan 1 UI Ea Ki Fc re JE Fa Pan Pane Zoom Shunk Prev Tease 2x 2x Plt Information x model drainage network name 2 type Drainage colour blue After snapping onto the branch line manhole click Prev on the plan view title area to return to the previous view and continue appending manholes You can tell that you have created a junction manhole correctly when you profile the trunk line Revised February 2006 12d Stormwater Design Course Notes Page 27 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN and you can see the branch lines joining at the junction manhole If the branch lines are not shown then one of three things have gone wrong 1 centre of the manholes did not align Use Strings gt Points Edit gt Move to move the branch string manhole 2 the downstream end of the branch line must be the junction manhole With the direction of flow for the string set to Ascending the junction manhole must be at the high chainage end of the string If the direction of flow for the string set to Descending the junction manhole 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
78. on 3 Close the string for SAG pits 4 You may fill the strings using Utilities gt Super strings gt Fills 5 You can disable the auto selection of a string via Right mouse on the pick button then select Clear Catchment areas for your hydrological model may be defined using a Super 2d 3d or polyline string to set the catchment boundaries Other ways to set the areas are manual entry in the network editor via a spread sheet program the Top 10 Attribute Editor or the ILSAX pipe editor Note that if a catchment string is created to define the area for a manhole 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 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 If exporting to external drainage design programs they may note accept all three sets so check the interface notes before defining the catchments In each set model 12d will automatically link the catchment string to the manhole that is closest to the first point on your catchment string This is the preferred method If this is not possible then a manhole may be manually linked to a catchment string using the Catchment manual link Also see Checking the Automatic Catchment Linking Drawing Catchmen
79. op Pick Edit button to select the Catchments flowing ocurrent pit manhole or use the gt gt next 1 2 Je or lt lt prev buttons to move Catchment polygon hs catch L d 3 to the desired manhole The Catchment area oss manhole will be circled in the plan view and its name shown in the Current Pit field Percent impervious Impervious Pervious Now select the oo Eeer ka polygon button and pick the desired catchment string P e SR NOTE If you decide to enter cn Lh oan 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 Current drainage model Dram Current pit a4 catchment area will be shown in the Catchment area field Drainage model loadez l TE using the units specified in akin D ETEN the Global Utility models Set Pit Mayes Set Catchments Set Pit Details Units field Regradaetwork Storm Analysis Import Export Dick Edit Apply oat gt Finish Help Checking the Automatic Catchment Linking The automatic manhole catchment linking is easily checked by specifying a 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 catc
80. ptions Export catchment details These options are not used for Export bypass Flow details spreadsheet export Export pipe inverts and sizes Spreadsheet options Export all junction pits Preset output Age to export the junction pit at the end of all drainage lines very rarely needed G Usually leave this off Select 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 Import options Select Run to place the data on the clipboard 8 2 Spreadsheet to 12d transfers This item is accessed from the Import Export button on the Drainage Network Editor The following panel will appear Revised February 2006 12d Stormwater Design Course Notes Page 74 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor Import Export Saks Drainage model stormwater Select Import UO action Import Te elect the Spreadsheet clipboard UO Format Spreadsheet clipboard format Vo File name iclipboard txt Cl The file field is ignored Export options This is ignored on spreadsheet Import options Hold obyverts on import imports Generate results in plan w Drainage plan PPF er drainplanppt oa Model For plan results srmvater labels EZ EE Select Run to update the drainage model Generate results
81. rainage manholes the following steps will place the manhole at a specified dis tance along a string and if desired an offset 1 RB and then select Snaps cogo gt Locate gt Offset from the menu Messages indicating what to Revised February 2006 12d Stormwater Design Course Notes Page 90 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 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 oppo site 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 manhole 12 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 manhole is always placed at SAG manhole locations If your road designer has given you kerb inverts strings split into numerous sections use the head to t
82. rainage network After selecting the desired naming method Naming method String name Fit num ell and options Pre text Select Run to change assign the manhole String Pit separator f names These names should be visible on the First pit number N plan view with the drainage network model If WEE 7 they do not appear see the section below Displaying View Text Reverse order E Mame pits wW To create larger text labels that can be moved Mame pipes r see Labelling the Manholes M Select Back to Editor to remove the panel Hun Back to Editor Help 5 1 1 Displaying View Text After you have named the manholes in your network the names should appear beside each man hole in the plan views If they do not appear check the following After you have named the pits in your network the names should appear beside each pit in plan 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 1s toggled off Solution select Toggle on the plan view title area Revised February 2006 12d Stormwater Design Course Notes Page 33 of 94 12
83. re lets 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 polylines were used 2 lines drawn from upstream to downstream direction of flow 3 a vertex was placed at every manhole location From the main menu select File 0 gt Data Input gt DWG DXF etic area elim Eg Vo setting as dwg SE TE ei Select the dwg file drainage data dwg l Ieper Cf a Pa for ee mee ia greng the z ayers that will be read from AutoCAD Every layer goes into a separate model in 12d If you specify a Pre postfix For kk dag i prefix then all of the layer names will be prefixed with this text The prefix used is dwg lt space gt Null level value 999 Default lineweight 0 25 Spline approximation 12 Blocks to symbols Images ko plan images Only create visible symbols The rest of the data can remain as the default value Refer to the Help button if more detail is desired Select Read to import the data The data will not immediately appear on the plan view The new models have to be added to the view using the on the view tool bar Every time you press the Read but ton the data will be imported again and you will get duplicate triplicate etc data All of the models imported will begin with dwg Translate 3DFaces to Faces Use 12d 4cad colour numbers Crea
84. 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 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 If changes are to be made and then plotted again you must delete the drawings in the model These models may be cleaned out using Models gt Clean Revised February 2006 12d Stormwater Design Course Notes Page 86 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN SIE The asterisk may follow the plot file stem to clean all of the models at once You will be shown the model list before they Model or are Cleaned EE Clean Finish Help Revised February 2006 12d Stormwater Design Course Notes Page 87 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 12 0 Working with Kerb Lip Strings The reference point for kerb inlet manholes 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
85. s The manhole that was selected is highlighted with a circle and an arrow shows the direction of flow see image below Revised February 2006 12d Stormwater Design Course Notes Page 31 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The option buttons on the drainage editor now become active 5 1 Setting manholes names and pipes If your network was created from 2d strings the manholes will be named incrementally using integer numbers Use the drainage network editor to manually change explicit ones or quickly change all the names using a different naming method The manhole 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 appear see Displaying View Text SN The string names may be Model drainage network String fA S changed String field Drainage model loaded Select Set Pit Names and Guto apply w Auto redr an the following panel will Set Dt Names feer Catchments Set Pit Details appear Regrade Pipes Plot Import Export Storm Analysis Pick Edit Apply si 2 gt Finish Hep Revised February 2006 12d Stormwater Design Course Notes Page 32 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Drainage Network Editor Set Pit Name O Field descriptions Network model d
86. s you plan on using in the design package The list of available pipe types is set in the drainage 4d file You must click the Set button to set the default values Finish alone will not set the defaults 4 2 String Colour and manhole Label Text Size location string defaults 12d can automatically label the manholes at a fixed offset from the manhole using view text OR you can use the network editor Set Catchments to create text labels that can be moved rotated etc For view text the default line colour and text size are set by selecting Utilities gt Defaults The following panel will appear Revised February 2006 12d Stormwater Design Course Notes Page 19 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN imefauts Tes Trash Settings Name Settings LB to set the colour of the drainage string and man Default Settings System Settings hole labels Colour magenta Point colour yelow Tin colour reen PI Contour colour kyn Contour bold colour rel E 1 9 null height Log The default size of the text is set in the Text height pixels field A text size of 6 to 8 pixels is generally adequate Your choice will depend on your screen res Text height pixels e zl olution and the age of your eyes Chord arc tolerance jo 1 D Culling r Culling size pix fa Corner angle Joe Al weed tolerance lo D Section view exagg fio Select Write Perspective viewexagg
87. scription can be added to your drainage 4d file so that they can be added to your manhole schedules The Diameter is used 1 for visual service clash identification is long section drawings 2 to clip the pipe lines drawn in the plan annotations 3 maximum distance the bypass flow strings can be drawn from an inlet The 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 manholes Generally do not use a default name Leave all of the manholes unnamed and then use the Set Pit Names function on the drainage network editor The manhole type is selected from a list by selecting the icon beside the Type This list is obtained from the drainage 4d file This manhole type will be used by ILSAX PCdrain and RAT HGL RAT2000 and XP SWMM to identify the inlet capacity of the manholes This value is not exported to the Drains program but it will be imported after a Drains design run See Drainage Import Export It is best to set this to the most common manhole type and then change the few that are dif ferent later in the network editor You must click the Set button to set the default values Finish alone will not set the defaults Revised February 2006 12d Stormwater Design Course Notes Page 18 of 94 12d Solutions Pty Ltd Civil and Surveying Software CO
88. sed in the drainage longsec z tion drawings Many strings Model drainage network gt exists Create Same as Finish Help Flow direction should be ascending chainage if drawing uphill to downhill or descending chainage if drawing downsteam to upstream All of the strings in the model can have their direc tion changed later using the Design gt Drainage Sewer gt More gt Reverse all strings com Revised February 2006 12d Stormwater Design Course Notes Page 25 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN mand To graphically check the flow direction of all strings see Flow in the Wrong Direction The Tin fs field will be completed for you with the default value you entered in Design gt Drain age Sewer gt Defaults gt Tin fs The finished surface levels on your long section plots will be obtained from this tin The Tin ns field is optional By specifying a natural surface tin natural surface levels can be shown on your drainage long section profiles Selecting Many strings will have the panel re appear ready to go again after creating each string Click the Create button to begin creating the drainage string The following panel will appear To create your first manhole select Edits gt Append A will appear with your pointer er E EE EE ER E RRR e lee S Manhole We are going to place our manholes on the vertices of the layout that we Pipe imported
89. select Strings gt Properties gt String and change the Flow direction to the other value there are only 2 options You may replot the annotations if you want to confirm the change 4 10 Drainage Section Views and Plots in the Wrong Direction If the section views and the profile plots are running downhill in the wrong direction the reverse function may be used to change the direction 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 ascending chainage to descending chainage To reverse all of the strings in a model select the Strings Reverse option Design gt Drainage Sewer gt More gt Reverse all strings To confirm the direction of flow see Flow in the Wrong Direction 4 11 Moving Adding and Deleting Manholes The best way to edit the plan layout of the drainage is via the Strings gt Points Edit commands Revised February 2006 12d Stormwater Design Course Notes Page 29 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Fy The Append Between Delete Insert and Move commands are the most common Points Edit Append SS k The Move command has an extra option for Extend moving junction pits Selecting All points with Extend Ht the same coordinate will move all points on the Vu fox Height view that are at the same x
90. size a O Vi k amh ben ee fe Once the invert levels have been reset by selecting Regrade pipes the output window will indicate the final clearance Output Window d EAEI 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 Pip Messages After a pipe design run in Storm Analysis details of the service clash data will again be listed in the output window Revised February 2006 12d Stormwater Design Course Notes Page 62 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 7 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 Regardless of the design method selected the drainage network in 12d is updated from the design so that drainage plans long sections and manhole schedules can be quickly produced 7 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
91. ssssssse 5 2 0 Setup Files and Their Locations eege ee 6 3 0 Survey data and design surfaces TINS cccccccccsssssssssssccscccccsccssssssscssssccccccsssscsssssssssssccscsssees 7 3 1 Iniportine the Ee E 8 3 2 Creating the existing Ground Surface eeseseeseeeeseeeesseesssssesssssssssssssssssssssssssssssesseeees 10 3 3 Inquiring about Heights on the Surface 12 3 4 Viewing the Surface Tin in a 3d Perspective cccceessesssssesessssseseeeeeceeeeceeeeeeeeeeeeeeeess 13 3 5 Reducing the number of points for the 12d Practice Version 13 3 6 Importing the Road Design Data and Creating the Design IN 13 3 7 Nuthin the lone Triangles enee een 14 3 8 Creating a Super Tin from the Survey and Design Data ccccccccceeseceeeeeeeeeeeeeeeees 15 3 9 Changins the Colour of a Eegenen eege 15 40 Drainase Layout E 16 4 1 GEELEN 17 4 1 1 SMO DD EE 17 4 1 2 Miami Ole E dE 18 4 1 3 PES IDC EE 19 4 2 String Colour and manhole Label Text Size location string default 19 4 3 Create the drainage strings from the dwg Strings ccccscssessssssseseseeeeeeeceeseeeeeeeeeeeeess 21 4 4 Drawing the Drainage Network in Ida 22 4 5 Manhole Setout Point setout strings and selecting the location for the manhole centre 22 4 6 Creating the Drainage Strings in Leesberg ge EE 24 4 7 Exact Methods for Placin Mian leegent egen Zeg leech seatoeneubincantneatsaccds 27 4 8 Junction manholes on Trunk Drainage Lines ccccessss
92. t 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 5 11 Calculate Bypass flow routes This option is required for manhole inlet capacity calculations and is covered in the advanced drainage training As an introduction the overland flow parameter routine determines the road grade crossfall manhole inlet capacity and downstream bypass manhole for each manhole To achieve accurate measurements for the road grade and crossfall the manhole is linked to a setout string see below Revised February 2006 12d Stormwater Design Course Notes Page 59 of 94 COURSE NOTES STORMWATER DESIGN 12d Solutions Pty Ltd Civil and Surveying Software 6 0 Service and Utility Clashes WARNING 12d service clash routines notify the user of crossing services but not parallel services that are close to each other To 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 KE Section 4 drainage netu Models V Settings VOS ETC Redraw Toggle Fit l Corridor Previous Draw tolerance zoom Extend Pan Geom annot Profile Grade annot Regenera Exaggeratio
93. t Strings in 12d Before creating the catchment string set the CAD control bar data Type the name of a model for the catchment strings Italie aber WEIT i le Revised February 2006 12d Stormwater Design Course Notes Page 38 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Now to create the catchment string use the Create line string button on the CAD toolbar YRAG the Create line button and release at he Create Line String button The first point should always be placed near the manhole 12d will assume that the catchment will drain to the manhole closest to this first point 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 verifying catchments in the field than spending a lot of time getting them exactly placed on the catchment 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 catchment 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 catch ment overflow level cannot be de
94. te This will save the setting we are about to make should you want to replot this long section This section view determines the additional mod els such as serv ices to show plot These are referred to as corridor models The ver tical exaggera tion is also obtained from this view 12d Stormwater Design Course Notes Page 84 of 94 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 Plot sheet layouk Other parameters Row per sheet mode more than one r Plot height reem 450 D Horizontal plot gap mm Er D E Drainage Plot E Title block l Plot sheet layout argins ther parameters E Vertical plot gap mm Eo D i Chainages Uprights E Datum area D Arrows 8 Graph area z Top area o E Corridors z Maintenance hole symbo Z Maintenance hole names E Fits Junctions direction c E Property CoptrolerHouse drainage long section plot 1 d Hatching on H Cuts H Primary string name labe PPF s bo include plot bei gt sheet height The plot height determines how much room 1s left vertically for
95. te 2d 3d polys From ctrl points Head to tail points lines User handle as name Only load visible layers Aanzaanoaldle Load paper space Read Finish Help Revised February 2006 12d Stormwater Design Course Notes Page 16 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The models that have been created are dwg d catchments dwg d overland flow dwg drainage network Remove all of the models from the view and add the model dwg drainage network This is a 2d drainage layout that we will use to locate the manholes in our drainage design 4 1 Setting Drainage Defaults The defaults for the drainage network are accessed through three panels pipe defaults manhole defaults and Tin defaults They may be accessed through the menu system as Design gt Drainage Sewer gt Defaults Warning You must click the Set button to set the default values Finish alone will not set the defaults If you plan to export to other drainage software packages you will have additional defaults to set before you export See Drainage Import Export 4 1 1 Tin Default The default TIN is used to set the initial setout level of Drainage Tin Defaults M the manhole and the pipe invert levels Super tins may bi Tin Fs MEA a used if you want to place manholes on both the existing and the design ground surface see Creating Super tins Select the icon to choose from a list of existing TINS Set Fin
96. ter Design Course Notes Page 9 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Next select Fit on the plan view title area You should see the following data E Plan 1 The view will contain survey data 3 2 Creating the existing Ground Surface From the main menu select Tins gt Create gt Triangulate data Revised February 2006 12d Stormwater Design Course Notes Page 10 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN W Triangulate a Data Source e LI x Select the View button Data to triangulate LB select then LB the view to be triangulated RK a Type a new tin name not the model for the tin Remem J ber a tin is like a string and it must reside in a model New tin name sisting survey Ze Press enter and the Model for tin field will be filled in Tin colour green _ for you Tin style Select if creating a tin with contour data Model For tin Preserve strings W ZE EE weed tin BE zc Preserve strings will make the string one side of the tri Clesen 8 angle thereby preserving the levels along the string Data polygon Mull polygon The cell method is a good enhancement for data that is view lt 1 gt exists in a grid type pattern but it is not required amin 6 050 zmax 41 694 Triangulate all duplicate points are removed from the tin database Select Triangulate to create the tin
97. termined from the catchment string For the last point on your catchment line select Close from the CAD toolbar This function places the last point on the string over the first point on the string forming a closed polygon Once the catchments are drawn they become linked to the drainage network in the Drainage network editor We will label the catchment with the manhole name and area at the same time Start the Drainage network editor and move to the Global Tab and then the Utility Models sub tab PA Kdh eeoII gt Revised February 2006 12d Stormwater Design Course Notes Page 39 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Ea ieee Network Editor f i AAF Enter a SE filename eB lor the catch ment models Catchment Pit Pipe DEFAULTS GLOBAL Global drainage data Main Utility Models Catchments wal Catchment File my catchments C3 Catchment labels model ld drainge cat labe ei e Select More info but ton Label textstyle Arel 2 centre Auto rename catchment polygons Select sa Edit RB click thu Fil Folder catchments __ my catchments catchments to select Catchment Impervious Pervious the Polygons Paths model of Model the catch ments used in the CAD control bar above ERROR Model dr te perv gt does not exist Finish Model drainage network Edit File Delete
98. the actual plot This specifies the total height of the plot 12d then constructs the box area and arrow area on the bottom 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 February 2006 12d Stormwater Design Course Notes Page 85 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Drainage Plot PPF Editor E Plot parameter File ection drainpp Des d Write El Drainage Plot User title block parameters l Title block Title file J_section_al tf i User title info Flot sheet lawout Margins ee e Other parameters 2 Main Title 2 Boxes a Main Title 3 1 Main Title 1 My Design Chainages Uprights 4 Subtitle 1 Datum area 5 Subtitle 2 DrrOows Graph area e Top area ee Fl Corridors a Drawn Maintenance hole symba oa Designed Maintenance hole names 10 Modeled Pits Junctions direction c i Property controls House e Job Number 7 Issue 7 Hatching cut Fill d Cuts Time format i Primary string name labe Start page number PPF s to include Start drawing number Drawing number prefix Drawing number pasthi The Drainage plot title block User title info allow you to enter the text for the title block The list displayed is
99. 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 4 9 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 when using the Drainage Network Editor and you have selected an manhole all but the outlet lox Also the Drainage gt Plot gt Plan annotation option can be used to label the network with the direction of flow Revised February 2006 12d Stormwater Design Course Notes Page 28 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN Select the E Drainage Plan Plot PPF Editor Ses dee model Plot parameter File i Read Write Read write Enter a model Drainage Plan Plot Load design details From for the plan Model rains demo size SZ annotations Dee Select Plot on ave plot annotations to Model drainage annot EZ the bottom of Clean plot model beforehand the panel and j ao bs then add the Set colours as string names model to a ss new plan view If one of the arrows in the plan annotations is going in the wrong direction then the direction of flow flag must be changed From the main menu
100. ult pipe fiction values are set on e Defaults gt Pipes tab Ite ranges for pipe peak locities are used for ecking purposes only If e velocities are outside s range warning mes sages will be given in the Optput window 12d Stormwater Design Course Notes Page 51 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN 5 8 4 Pipe Friction Values and Freeboard Limit WW Drainage Network Editor Akg Catchment Pit Pipe DEFAULTS GLOBAL Global drainage data Main utility Models Universal data Units Metric Ka FStin combined SEI NS tin existing SEI Catchment data Runoff method Direct Imp C minor 0 9 Imp maior o 9 Pipe data Pipe roughness type Manning Ka Allowable normal depth velocity ranges Part Full Flow oO ko 7 Full Flow If to 6 RR ee ag Revised February 2006 The global pipe friction method on the Global tab determines which fields are active Colebrook k or Mannings The default roughness values are entered on the following Defaults Pipe tab 12d Stormwater Design Course Notes Page 52 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN The Design mode has 4 es Eege 3 Drainage Network Editor Si E 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 th
101. urrent pit eu Le jaa Catchment polygon Jatchment name H Catchment area O 064752161 _ Impervious Pervious al a E Oo Se p p p EEN E C minor 0 6 C major 0 3 Vi Wee a gf 5 6 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 determine the area for the impervious and pervious components and the composite C value if using the ARR 1987 method for calculating runoff coefficients 5 6 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 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 Revised February 2006 12d Stormwater Design Course Notes Page 47 of 94 12d Solutions Pty Ltd Civil and Surveying Software COURSE NOTES STORMWATER DESIGN WW Drainage Network Editor Catchment Pit Pipe DEFAULTS gLopaL Default data For blank Fields Catchments Pits Pipes Percent impervious 90 Impervious Pervious Te method Direct Ka Tc method Direct Tei e am A EE meng Select Choice
102. verts are aligned using Obvert Drop with a zero Alignment drop and similarly the inverts are aligned with the Invert drop mode Minimum drop ensure that the inverts drop a mini mum of the specified drop but the drop may well 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 5 9 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 WW Drainage Network Editor O x To specify a box culvert in your network select the pipe segment and enter a Pipe downstream of current pit width for the pipe Fipe connections ES to 1 3 Main Design Catchment Fit Pipe DEFAULTS GLOBAL Invert levels US Invert 20 716l DS Invert Lean oo 403 Pipe size Diameter Height 0 35 D Width 1 0 D Number of pipes fi NW BI 27 2990 Vs ee ee pen Ab ee Sa 1 w A For box culverts the design engine increases the widths and maintains the height through the available sizes Once the maximum height has been reached the next cu

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