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1. 8 or C You may need to split and merge features as necessary to ensure the shapefile matches the spatial distribution of the abrasive application practices or other sources Sinks include sweeping practices pavement condition index and sweeper accessibility and are designated as intensive moderate or rarely to never as a relative scale as practiced by the respective jurisdiction e Define up to 3 categories of sinks for the roads High X Moderate Y and Low Z Considerations when defining the categories include but are not limited to type of equipment sweeper blower plow used speed at which equipment is operated frequency at which equipment is used number of passes equipment makes along road road surface integrity and existence of parked cars snow berms speedbumps etc that will inhibit sweepers access to the full width of the impervious road Surface e Assign each road length a sink value Using the definitions above create a RoadSE field in the attribute table and assign each road length a value of X Y or Z You may need to split and merge features as necessary to ensure the shapefile matches the spatial distribution of the sweeping practices pavement index and or barrier presence 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 16 MAY 2015 If you have created two separate layers to define the sources and sinks use the ArcGIS Intersect tool to creat
2. Common issues are e Uncheck the Show content for this layer using the HTML Popup tool box under Layer Properties e Ensure the layer is visible when the export to KMZ is completed and e Define the Layer Output Scale as a value greater than o ONDNATURE TAHOE ROAD RAM USER GUIDANCE 11 3 CLASSIFY ROADS A user can define up to 9 unique road classes to define road maintenance practices across maintained road networks Road class is defined as the combination of pollutant control practices employed on a particular road throughout the year including the relative planned abrasive application priority during winter road conditions and relative planned sweeping priority when the weather is favorable for pollutant recovery Road class is used to spatially extrapolate road segment scores observed on roads maintained using the same practices to determine Road RAM scores for complete road networks Helpful Hints 1 We recommend creating the minimum number of road classes Define enough to capture the relative differences across road maintenance practices without creating a data management burden 2 Road class does not need to be defined in order to use Tahoe Road RAM The user can inventory discrete road segments and track road condition at those specific locations over time without classifying roads In this case road segment scores will be generated but Road RAM scores will not 3 1 HOW TO STEPS The user creates
3. Step 2 View scores for a specific segment over time e Inthe table locate the road segment of interest and click Graph e time series graphic will open showing all scores for that road segment over time NUNATURE TAHOE ROAD RAM USER GUIDANCE 37 Step 3 Download data e Click Download to generate a CSV file that can be saved to your computer e The downloaded file includes the area of interest Area road segment ID RSID observation date ObsDate observation period ObsPeriod road segment score Score road segment road class Road Class and observation method Method If the Method field is blank the Tahoe Road RAM field observations and scoring algorithms were use 6 2 TROUBLESHOOTING FAQS HOW DO I DELETE AN OBSERVATION Click Road Segment Scores Click View Obs Per and select the observation period of interest In the table locate the road segment of interest and click Delete in the corresponding row You will be asked to confirm the deletion HOW DO THESE FIELD OBSERVATIONS TURN INTO A 0 5 ROAD CONDITION SCORE 2NDNATURE collected hundreds of FSP samples from road surfaces using a customized rain simulator while simultaneously testing and array of field observation proxies to predict the FSP concentrations measured in a 1 x 1 square The most powerful proxies are conducted by the Road RAM user in the field Each series of Road RAM observations conducted within the road segment
4. A Road RAM score of 2 is identified as the threshold value below which there is high confidence that the road is an immediate threat to downslope water quality should a runoff event occur A Road RAM score of 2 equates to a predicted FSP concentration of 291 mg L generated from the road segment based on existing data Technical Document Focused Stormwater Quality Monitoring Research TAHOE ROAD RAM USER GUIDANCE 43 Tahoe Road RAM Field Datasheet SINGLE SITE Log on to www tahoeroadram com to enter observations and obtain road condition score ROAD RAM STEP 4 Field Observation Datasheet RS ID Field Personnel Observation Date Road Segment RS RS End E Percent Distribution Material Accumulation Area o po Heaw Moderate Light Segment Dry Material Collection JEAN MATERIAL ACCUMULATION AREA oer ml Dust Test Finger print visible No Cloud No Material Height Ankle Knee Yes No Waist Gritty Both Slimy lt 2 seconds gt 2 seconds MDD ER EGNE MATERIAL ACCUMULATION AREA ml Dust Test Finger print visible No Cloud No Material Height Ankle Knee 5 Yes No Waist E Gritty Both Slimy lt 2 seconds gt 2 seconds SORT MATERIAL ACCUMULATION AREA or ml Dust Test Finger print visible No Cloud No Material Height Ankle Knee Yes No Waist Gritty Both Slimy Seconds lt 2 seconds gt 2 seconds 2NDNATURE LLC ecosystem science design
5. www 2ndnaturellc com 831 426 9119 34 MAY 2015 5 2 TROUBLESHOOTING FAQS FIELD OBSERVATION TIPS FOR DEGREE FINES TEST Road segment scores are highly sensitive to the degree of fines The schematic below details the sequence and priority of observations with the dust test height being the priority The end member dust test results waist and no cloud allow the user to assume the answers to other tests When intermediate dust heights are observed knee or ankle additional user measurements are required The red user determine boxes indicate when these observations are critical for determining the level of fines within the 1x1 square TAHOE ROAD RAM DEGREE OF FINES TESTS STEP 1 DUST TEST WAIST NO CLOUD KNEE ANKLE STEP 2 DUST TIME lt 2 sec STEP 3 FINGER PRINT YES user VISIBLE No Material ear determine determine STEP 4 FINGER PRINT Slimy Both Gritty FEEL Sequence to perform degree of fines tests CAN I ENTER RAM OBSERVATION DATA DIRECTLY INTO THE DATABASE IN THE FIELD YES You can scan the black and white square QR code under the left hand menu and bring up the digital field datasheet Download a QR reader such as QR Reader or Quick Scan and scan the code with your phone to open the mobile Road RAM field observation form Data entered into this form is automatically uploaded to Road RAM You will need cellular service and an iOS tablet or phone in the field to access this feature HOW DO
6. high traffic roadways locations of relatively higher abrasive applications and the potential contributions of other sediment sources onto the roadways dictate the relative frequency at which specific roads are swept and perhaps the equipment used Practices that minimize the amount of time abrasives and other sediment remain in the road i e residence time will generally lead to the relatively lower mass of FSP generation and accumulation on the road surface In order to implement the desired sweeper program effectively and ensure the best possible performance per unit effort the sweepers must be maintained at an acceptable level and operated properly pavement condition must be good and the road surface must be accessible to the sweeper Road class designations must consider the relative jurisdictional frequency the roadway is swept and group road networks where similar sweeping equipment timing and frequency is implemented Pavement condition index PCI The pavement condition or surface integrity is a critical factor that directly influences road condition There is little question that high PCI scores can greatly improve the effectiveness of sweeping efforts Roads with moderate to high degree of cracking limit the ability of sweepers to recover material from the road surface However subsequent rain events will mine these cracks of available FSP transporting the material downslope and Road RAM will identify these as poor condition roads Ro
7. HOW DO I EDIT MY ROAD SEGMENTS In general unlike Delineate Area and Classify Roads you cannot overwrite existing road segments and you cannot change the name of your road segment e Ifyou want to change the location x y coordinate of a road segment you will need to upload a new road segment with a new name Follow the instructions above to upload new road segments e Ifyou need to change the road class associated with a road segment go Change road class designations to its current road class in the table and select Edit Locate the aa Tee BE segment in the table and select the i PilotRoads CSLT_ Class v new road class from the dropdown list NOTE If you are updating the road class due to an updated road class layer DO NOT CHANGE THE CLASS HERE Instead you will need to upload a new road segment with the new class Changing the class here will recalculate and update all Road RAM scores previously entered based on the new class PilotRoads CSLT 09 Chg Class PilotRoads CSLT_ Chg Class PilotRoads CS 8 Chg Class 7 PilotRoads CSLT 07 Chg Class 7 PilotRoads CSLT_06 Chg Class y PilotRoads CSLT Chg Class 7 PilotRoads CSLT_03 AX Chg Class Y PilotRoads SLT_15 Chg Class Y Lake Forest ROI 3 29 A Chg Class Lake Forest ROI 29 Chg Class 7 designation e If you have updated the road class Use the dropdown menu to change the road class assigned layer and n
8. Important Safety Tips Important tips in red boxes provide suggestions to maintain field personnel safety while conducting Road RAM observations TAHOE ROAD RAM USER GUIDANCE 5 1 SET UP USER ACCOUNT There is one user account per organization e g jurisdiction agency etc and only the data associated with that account can be viewed by that account Multiple personnel can use the account but all will have to access using the same user name and password Tahoe Tools Tahoe Road RAM is not the appropriate tool to create a new user for your Tahoe Tools account Please go to the Credit Accounting Platform CAP www tahoeroadram com cap or Tahoe BMP RAM www tahoebmpram com to create a new user account 1 1 HOW TO STEPS Step 1 Open website Helpful Hints e Using Google Chrome navigate to www tahoeroadram com P Road RAM is only optimized for GOOGLE CHROME Step 2 Create account e On the welcome screen banner click Create Account e Enter a user name and password e Click the Create Account button e Your account has been created and you can now log on to the website Create Account v Create Account If you are a new user to Tahoe Road RAM enter a user name and password in the provided fields If user name is a duplicate you will get an error Try another name Enter new user name amp password and click Create Account to set up a new user account for Tahoe R
9. Upload and complete the information requested Upload Roads toa Specie O For the Select Area This process will upload roads and their associated road class to a specific area There are 3 dropdown select the PEN process select the area upload a CSV file and upload a KMZ file area of interest used to create the road layer 5 Click Choose File and Select Area of Interest_ located the CSV file designating road class o Click Upload to begin the transfer process o When the CSV upload is complete click Choose File and locate the KMZ file of the roads o Click Upload to begin the transfer process Select Area Upload CSV File Select CSV file Choose File No file chosen Upload Upload Roads window in Tahoe Road RAM e Close the window The roads will appear on the map and in the table 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 14 MAY 2015 3 2 TROUBLESHOOTING FAQS WHAT IS ROAD CLASS Road class is defined in Tahoe Road RAM as a network of roads that are maintained using similar road maintenance practices such that there is reasonable confidence that Road RAM observations conducted at specific segments are representative of all road lengths of the same class This confidence confirms that spatial extrapolation of Road RAM observations can be reasonably used 0 5 RAM score across the entire network of the subje
10. concentration that consists of particles 16um or smaller expressed as a TSS by mass and allowing a concentration of FSP to be simply calculated Roads have a typical pattern of heavy moderate and light material accumulation as a result of transport and sorting by vehicle traffic and wind The distribution of material accumulation is unique to each distinct road segment and the categories are relative to one another for the specific day of observation Material accumulation distribution is a key field observation in Road RAM The discrete period of time when Road RAM field observations are conducted to determine road condition and calculate Road RAM scores If the area of interest is relatively large and requires a number of consecutive days to obtain results all observations are lumped into one observation period and documented as the date the Road RAM observations were initiated Ideally neither road maintenance practices e g sweeping or abrasive application nor a stormwater runoff event occur during an observation period Similar to abrasives other source of sediment to the road can be also be pulverized and contribute to the FSP mass on the roadway These sources may include tracking from other roadways via cars tracking from unpaved private driveways other adjacent erodible surfaces construction or potentially road surface degradation and tire wear The seasonal contributions of these sources to the overall road FSP load will likel
11. convey progress towards meeting stormwater program goals The Tahoe Road RAM User Manual is broken into 8 chapters Chapters 1 7 detail sections of the Tahoe Road RAM website including setting up an account delineating an area classifying roads selecting road segments entering field observations and generating results These chapters include 1 a brief description of the purpose of the step 2 the detailed how to steps for completing the necessary tasks and 3 troubleshooting tips for common issues Chapter 8 includes additional resources such as the Tahoe Road RAM Glossary and Field Datasheets Throughout this tool a number of formatting tips have been used to more easily communicate tool functionality and best practices Italicized words are defined in the Tahoe Road RAM Glossary Bolded red text indicates important reminders for required actions to ensure proper tool function Quoted text indicates specific terms used in ArcGIS or Tahoe Road RAM Helpful Hints General helpful hints in brown boxes provide quick tips to perform steps more efficiently Tahoe Tools Tahoe Tool tips in blue boxes provide best practices for using Tahoe Road RAM in conjunction with the Lake Tahoe Crediting Program and the suite of associated stormwater tools PLRM CAP Tahoe BMP RAM These tips are not intended to be exhaustive For a complete guide consult the Crediting Program Handbook available online at www tahoeroadram com cap
12. equation in ii the lower frame FID amp _ 8 RoadNamel Shape Click OK The resulting calculation should aie i create unique sequential field names oe 200 starting at 0 RoadLength a Helpful Hints If RoadAA and RoadSE fields were created when defining road class type RoadAA RoadSE in the lower frame to quickly calculate RoadCass Show Codeblock Name FID amp _ amp RoadName ta La Lama T Enter exactly as shown here to correctly populate the Name field for Road RAM import for all records e For RoadClass type AX AY AZ BX BY 827 CX CY or CZ in the lower frame The are required For faster calculation select all roads of the same road class prior to performing this step About calculating fields Clear Load Save OK Cancel Use ArcGIS Field Calculator to standardize Name field Helpful Hints 1 Make sure you are uploading a CSV and a KMZ file A CSV is a Comma Separated Values file which stores tabular data in a plain text file by separating data fields using a comma A KMZ is a compressed Keyhole Markup Language KML file Tahoe Road RAM only accepts properly formatted CSV and KMZ files The CSV file must be formatted just like the template provided under Downloads This includes the column header names the format of the dat
13. iesda 7 2 2 Troubleshooting AOS 10 A O als 11 3 1 IOWA LO S curtir EN 11 3 2 Bo de ay rara reta 14 A Select Segments iii 20 4 1 HOW TO SIEDS seeren a ee A 20 4 2 TOUDE POON EL TF AOS tte 23 O STA 26 5 1 Ke es SE SE ES Eee E 26 SLI Step za Observation Period iaa 29 5 1 2 Step 2b Segment rr kreere rer erne ere rer reen 30 5 13 Step 26 Material DISTIN aaa 31 5 14 Step 2d Volume amp Fines Observations by Accumulation 2 32 5 2 TOUS sont gio feo 4 ay es 34 O 1 21511 1 t SC ONS rar 36 6 1 HOW TO tai uds 36 6 2 Toue nooti AOS cias 37 NWN RAMIS CON Sui iia 38 7 1 HONTO SOS e E EEEE E EEEE EEE A EEE TEE 38 7 2 Tonbe KOGT her FAO So 39 8 Glossary e Feld ae Soccer sede cee 40 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 2 MAY 2015 TROUBLESHOOTING AND FAQs How do I adjust the map settings from my default How do I delete an area of interest How do I edit an area of interest What is road class How do I apply road class concepts to my road networks How do I delete a road class How do I edit an existing road class How can I use the ArcGIS field calculator to standardize the attribute fields How do I change the road class display in the Tahoe Road RAM What is the AX AY CY CZ nomenclature Why is there a date with my road class Does Road RAM
14. store other road attributes How do I select a road segment How many road segments should I create How do I see the road segment IDs on the map How do I edit my road segments Does Tahoe Road RAM store other road segment attributes Field observation tips for degree of fines test Can I enter RAM observation data directly into the database in the field How do I delete an observation How often should I RAM a road segment What is an observation period How do I enter a road segment score directly How do these field observations turn into a 0 5 road condition score How can I use the road segment score results What is the area score at the bottom of each table How is the water year average Road RAM score calculated How can I use the Road RAM results TAHOE ROAD RAM USER GUIDANCE 3 FOREWARD This Tahoe Road RAM User Guidance provides Tahoe Basin natural resource managers with a method to assess the concentration of fine sediment particles on Tahoe Basin roads and to assist in meeting regulatory requirements Since the first release of the Road RAM Technical Document and User Guidance in 2010 revisions have been made with respect to the Road RAM s relationship with the Lake Clarity Crediting Program and annual reporting requirements These revisions specifically include the recommended minimum number of road segments by road class for the spatial extrapolation of road segments scores Technical Document Tabl
15. the jurisdiction in which you are working This may include flashing lights traffic cones Workers Ahead signage etc Ultimately your safety is the most important thing If you do not feel safe do not conduct the observation 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 28 MAY 2015 Step 2 Field Observation Datasheet e Arrive at site e Locate segment using field map hard copy or website e Click RAM button to enter Tahoe Road RAM field observations Sequentially click on the table blue tabs to complete RAM field observations O O O Step 2a OBSERVATION PERIOD Step 2b SEGMENT DIMENSIONS Step 2c MATERIAL DISTRIBUTION Step 2d VOLUME amp FINES OBSERVATIONS BY ACCUMULATION ZONE Add field observation data for Demo_10_2011 Field Observation Datasheet Click blue buttons to enter data Proceed sequentially from top to bottom of datasheet When all required datafields are populated Calculate RAM Score button will appear at bottom HELP LL feet Data entry for Tahoe Road RAM field observations NUNATURE TAHOE ROAD RAM USER GUIDANCE 29 5 1 1 STEP 2A OBSERVATION PERIOD e For the first segment being recorded for the observation period leave the Period field blank and enter a date in Date A new observation period is created with that date Enter field personnel date of observation and observation period Observation
16. using the HTML Popup tool is unchecked Scale symbols when a reference scale is set Transparent o Display Expression Field NAME Show MapTips using the display expression ayer Fropert ER A Se rem O General Source Show content for this layer using the HTML Popup tool Display and HTML Popup Properties Open the Layer to KML Conversion tool and enter the following parameters O Layer is the polygon of the area of interest Output File is the location and file name for the KML file to be created Be sure to place in a location that makes sense with your data management system Layer Output Scale is the current map scale When entering the map scale leave out preceding 1 This step is not optional This field cannot be the default zero value Click OK You can check to see if the KMZ file was created correctly by opening the file in Google Earth RosdRegBoundary Output File 02 Link_RoadRAM CSLT_2015RoadRegister kmz Layer Output Scale optional 1 Layer to KML Conversion tool in ArcGIS NONATURE TAHOE ROAD RAM USER GUIDANCE 9 Step 4 Upload KMZ to Tahoe Road RAM Tahoe Tools e Navigate to Delineate To simplify data management we e Click Upload Area and complete the necessary fields recommend you name the Tahoe in the form Road RAM area of interest the same as the Road Operations e To upload a new area of intere
17. www 2ndnaturellc com 831 426 9119 GI FIELD DATA SHEET TAHOE ROAD RAM DATE Personnel LIGHT MODERATE HEAVY Light leal Dust Time Finger Volume mL Dust Time Finger Volume mL Dust Time Finger pace Height sec test Height sec test Height sec test pace pace pace pace Width Mod Length co co co co co co co co co co co z zZ z zZ z zZ z zZ z zZ z O O O O O O O O O O O gt gt gt gt gt gt gt gt gt gt gt YN N N N N N N N N N N NN NN NN NN NN NN NN NN NN NN NN VA V A V A V A V A V A A V A A V A A vu v v y v y oS E C O O Oo Oo O O O O O E lt E c c 00 0 OOL 9 OF OOL 010 OOL 0105 OOL 0 OE OOL 010 OO 01 OF OOL 010 OOL 0 OE OOL 01 OE 00L 01 0 O 010 0 010 0 010 OE OOL OF OLOL 0 OOL 0600 OE 010 OE OO 0 OLOL OF 01 01 Ol 016 Ol 016 Ol 016 Ol 016 01 016 Ol 016 Ol 016 Ol 016 01 016 Ol 016 OL 0165 GO GO GO G O L GO G O GO I G O L GO GO GO O10 O10 010 O10 O10 O10 O10 O10 O10 O10 O10 0 0 0 0 0 0 0 co co co co co co co co co co co z zZ z zZ z zZ z Zz z zZ z O O O O O O O O O O O gt gt gt gt gt gt gt gt gt gt gt N N N N N N N N N N N NN NN NN NN NN NN NN NN NN NN NN V
18. 119 10 MAY 2015 2 2 TROUBLESHOOTING FAQS HOW DO I DELETE AN AREA OF INTEREST Locate the area of interest in the table on the right Click Delete Area in the table If Has Roads is noted in the table the area cannot be deleted until the roads associated with the area have been deleted Refer to Chapter 3 Classify Roads for details on how to delete roads HOW DO I EDIT AN AREA OF INTEREST The desire to change an area boundary is likely for one of 3 reasons A there is a correction to the initial delineation B the boundaries of the area have changed over time or C the roads within the area have changed significantly e For reason A overwrite the existing area Click Upload Area and in the popup window use the right hand side to Overwrite an existing area Complete the steps as described above in Chapter 2 Step 4 e For reasons B or C leave the existing area and create a new area with a new name This allows the area and information to be managed without compromising the data and area summaries that have been conducted in the past Click Upload Area and in the popup window use the right hand side to Upload a new area of interest Complete the steps as described above in Chapter 2 Step 4 Helpful Hints Make sure you are uploading a KMZ file AKMZ is a compressed Keyhole Markup Language KML file Tahoe Road RAM only accepts properly formatted KMZ files as defined by Chapter 2 Step 3
19. 7 2 TROUBLESHOOTING FAQS WHAT IS THE AREA SCORE AT THE BOTTOM OF EACH TABLE The area score is a Spatial integration of the road lengths and associated scores for each road class in the area of interest The Classify Roads page displays the percent of miles in the area designated as each road class This weighting is applied to the road class average scores to calculate a single average Area Score This calculation is done for both a specific observation period and by water year See the Road RAM Technical Document that can be downloaded from the website for more details HOW IS THE WATER YEAR AVERAGE ROAD RAM SCORE CALCULATED The water year average is based on a standardized seasonal weighting developed specifically to calculate annual Road RAM scores for each road class using a series of Road RAM results observed throughout the year See the Handbook Guidance for more details HOW CAN I USE THE ROAD RAM RESULTS Road RAM scores can be used to prioritize maintenance actions where roads in poor condition are located Road RAM results can be used to evaluate the effectiveness of road maintenance practices to protect water quality The time series graph can provide valuable data for comparisons with actual road maintenance practices implemented by the respective jurisdiction to inform optimal road management practices to protect water quality If Road RAM is being used to verify compliance and achieve annual credits under the Crediting Pro
20. A V A V A V A V A V A V A V A VA V A V A v v v v v v v v v v v lt E C O O O O O O O O O O E Ss E E E E c 00 0 OOL 0 OF OOL 010 OOL 010 00 0 OE OOL 010 OO 01 OF OOF 01 05 OOL 01 OE OOL 0 OE 00L 0 0 05 010 0 010 0 010 OE OOL OF 010L 0 010 0600 0 00 OE OO 0 OLOL OF 01 01 Ol 016 OL 016 Ol 019 OL 016 Ol 019 Ol 016 Ol 019 Ol 016 Ol 019 OL 016 OL 0165 GO G O L GO I G O GO I GO G O GO GO G O G 0 0 1010 010 O10 O10 O10 010 O10 O10 O10 O10 0 0 co co co co co co co co co co co z gt z zZ z Zz z zZ z Zz z O O O O O O O O O O O gt gt gt gt gt gt gt gt gt gt gt N N N N N N N N N N N AN AN NA AN AN AN AN A NN NA A V A V A V 7 V A V A V A A V A V A V A V A v v v Z v ol v oo v v E E E E lt O O O O O O O O O O E E E lt G lt 00 0 001 010 OOL 010 OOL 0105 00 0 OE OOL 010 OO 01 OF OOL 010 OOL 010 OOL 0 OE 00L 0 0 O 010 0 010 OE 010 OE OOL OF 010L 0 010 0600 OE OOL OE 010 0 OLOL 080101 Ol 016 Ol 016 Ol 019 Ol 016 Ol 019 OL 016 O
21. I DELETE AN OBSERVATION Click Road Segment Scores Click View Obs Per and select the observation period of interest In the table locate the road segment of interest and click Delete in the corresponding row You will be asked to confirm the deletion HOW OFTEN SHOULD I RAM A ROAD SEGMENT Tahoe Tools It depends on the reason you are performing the observations The Crediting Program defines a minimum number of observations required per season which can be found at www tahoeroadram com cap Otherwise we recommend that you consider the purpose of the data collection and align your data collection plan with the data you need for your analysis A specific number of observation periods per season are required for the Crediting Program See the Handbook Guidance for more information NDNATURE TAHOE ROAD RAM USER GUIDANCE 35 WHAT IS AN OBSERVATION PERIOD An observation period is the discrete period of time when Road RAM field observations are conducted to determine road condition and calculate Road RAM scores If the area of interest is relatively large and requires a number of consecutive days to obtain results all observations are lumped into one observation period and documented as the date the Road RAM observations were initiated Ideally neither road maintenance practices e g sweeping or abrasive application nor a stormwater runoff event occur during an observation period Depending on the numbe
22. OUBLESHOOTING amp FAQS HOW DO I SELECT A ROAD SEGMENT The two most important considerations when selecting road segments are e Field personnel safety Select sites where field personnel safety is not an issue Tahoe Road RAM observations require personnel to be outside the car taking measurements across the 10 000 ft segment Road segments should be located near crosswalks and never located where visibility in elther direction is limited to less than 300ft hills curves etc e Purpose for conducting Road RAM Align the segment locations and number to support your data objectives and purpose of the analysis Road segments can be selected based on a range of criteria road class other road attributes such as road surface integrity road shoulder condition etc To appropriately test the relationship between these criteria and observed road condition road segments must be selected that will allow analyses to isolate the influence of other factors The road segment screening process can be initiated in the office using Google Maps Google Street View and GIS and then confirmed in the field We recommend the following process e Define the purpose of using Road RAM to inform your strategy for the types of road segments desired e Use GIS to screen sites for specific road attributes based on purpose strategy for using Road RAM road class road surface integrity road shoulder condition etc Locate general areas where segments should b
23. PARKING ANY FINE g Stateline ay ye r ESF TON De Oa EL RAR ROAD RAPID ASSESSMENT METHODOLOGY ROAD RAM NDNATURE nhe ecosystem science design Road Rapid Assessment Methodology Road RAM Road RAM User Manual v2 Final May 2015 The Road RAM development is part of a multi stakeholder collaborative effort to minimize the deleterious effects of urban stormwater on the ecosystem and economy of the Lake Tahoe Basin This product would not be possible without the generous participation of several Basin regulatory and project implementing entities E NONHTURE Prepared for Prepared by EY CALIPURNIA SIAI NAIEN KESOUNGES GONINGL BDAND REGIONAL WATER QUALITY CONTROL BOARDE ecosystem science design Environmental NEVADA DIVISION OF y ENVIRONMENTAL nhc Incentives PROTECTION Recommended citation 2NDNATURE LLC et al 2015 Road Rapid Assessment Methodology Road RAM User Manual v2 Tahoe Basin Final Document Prepared for the Nevada Division of Environmental Protection and Lahontan Regional Water Quality Control Board May 2015 Any questions regarding the Road RAM tool or associated protocols should be directed to the Database Administrator Contact information is available on the website www tahoeroadram com With great appreciation to our Project Advisory Committee Brendan Ferry El Dorado County Cara Moore Tahoe Resource Conservation District Eric Fried
24. Period e For all subsequent segments select the appropriate date from the Period New observation period Enter an dropdown Enter a date in Date observation date and leave the observation period blank An new Click Save observation period will be created Existing observation period Select an existing period from the dropdown and enter the date FIELD PERSONNEL Cancel Save Observation Period data entry 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 30 MAY 2015 5 1 2 STEP 2B SEGMENT DIMENSIONS e Complete only during the first visit to the road segment During subsequent visits data is auto populated in the website Helpful Hints To speed up observations use pacing instead of a measuring tape in the field Optimize your personal pace that equals 3ft per step Practice your pacing using a measuring tape e Measure and document the average width of the road segment The width is defined as the continuous impervious surface including sidewalks up to a maximum width of 65 ft Find a safe place to cross the street and measure width in feet or paces 1 pace 3 ft Helpful Hints The low accumulation zone is typically the drive lane so rather than pacing calculate length of low as Light Width Heavy Moderate segment Dimensions Enter the road segment width in either feet or number of paces The other dimension fields wil
25. View Obs Per and select the area water year and FS n An RN observation period of interest scores are used as annual e Click View Graph to view a time series graphic of all scores inspection results to verify credit for that road class over time awards NDNATURE TAHOE ROAD RAM USER GUIDANCE 39 e Click Enlarge Map below the Google map to open a large map in a new window Print using the web browser print functionality or take a screenshot of the map and copy the image to a word document Step 2 View scores by water year e Click View WY and select the area and water year of interest e Click View Graph to view a time series graphic of all water Helpful Hints year scores for that road class over time The water year is from October 1to September 30 e Click Enlarge Map below the Google map to open a large map in a new window Print using the web browser print functionality or take a screenshot of the map and copy the image to a word document Step 3 Download data e Click Download to generate a CSV file that can be saved to your computer e The downloaded file includes the area of interest Area road class RSClass number of road segment observations contributing to road class score calculation Obs road class score average score for all road segments of that class Score standard deviation of all scores measured StdDev and observation period ObsPeriod
26. a fields letters vs numbers length of data and the format of the road names letters Follow the KMZ conversion directions explicitly Step 3 Common issues are Uncheck the Show content for this layer using the HTML Popup tool box under Layer Properties Ensure the Name field is selected as the Display Expression Field under Layer Properties Ensure the features are displayed as a Single Symbol Ensure the layer is visible when the export to KMZ is completed and Define the Layer Output Scale as a value greater than 0 TAHOE ROAD RAM USER GUIDANCE 19 HOW DO I CHANGE THE ROAD CLASS DISPLAY IN TAHOE ROAD RAM The roads are displayed based on the road class symbology defined in Road RAM v1 to provide a standardized presentation of road class The colors by class cannot be changed WHAT IS THE AX AY CY CZ NOMENCLATURE These are the simple road class category names The A B C refer to the sources and X Y Z refer to the sinks Each road class is the defined as the respective combination these 2 practices Sources High X Moderate Y Low Z WHY IS THERE A DATE WITH MY ROAD CLASS Road class definitions may change over time as jurisdictions institute new practices buy new equipment construct new roads etc The tool allows users to redefine road class without losing previously entered data by associating the road class definition with the specific date the file was uploaded A
27. a polyline shapefile of the roads in ArcGIS exports the attribute table as a CSV exports the shapefile as a KMZ and Tahoe Tools uploads these files into Tahoe Road RAM The user can also modify y Use the Road Condition an existing road class using similar steps shapefiles provided with PLRM v2 Clip to the Step 1 Define road class for all roads in your area of interest jurisdiction boundary in the preceding step e In ArcGIS 9 3 or higher create a polyline shapefile of the roads within your area of interest Make sure your shapefile has a projected coordinate system NAD 1983 UTM Zone 10 is recommended e Add three fields to the attribute table Name RoadClass and RoadLength BRoadRAMExample 7 aon ces Fo Shape SCORE RoadName Hame RoadClass RoadLength a PoivinezM a Pioneer a Poivine 2M 3 Pioneer Potvime 2M a Pioneer 4 Poivine 2m 3 Pioneer 1 gt H 0 out of 5 Selected Attribute table for roads The attributes highlighted in the red box are required 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 12 MAY 2015 o Name is a text field It must be formatted as H_letters The numbering must be unique Helpful Mints sequential and start at 0 There can be no extra Use the Field Calculator in spaces between the and the _ ArcGIS t
28. able condition with minimal threat to downslope water quality Road RAM is a simple and repeatable field observation and data management tool to assist Lake Tahoe natural resource managers in determining the relative condition of paved roads to protect downslope water quality The tool includes GIS tasks and a custom online data management system www tahoeroadram com The tool outputs the relative condition of paved road networks at the time of observation on a 0 5 scale The tool automates result summaries using Google amp Maps tables and time series graphics Road RAM is an approved road maintenance effectiveness verification tool that a jurisdiction can use to meet annual regulatory reporting requirements including NPDES monitoring permits The customized online database www tahoeroadram com stores and manages all information necessary to implement track and maintain Road RAM data and results over time The users enter GIS and RAM field observation results directly into the database via the website or iOS tablet phone application in the field The Road RAM database translates the user inputs into 0 5 scores and summarizes the results using Google Maps tabular summaries and graphical time series A value between 0 and 5 that represents the temporally discrete spatially extrapolated road condition as a result of Road RAM field observations conducted at one or more road segments The Road RAM score is an average of road segment scores fo
29. ads with poor PCI will consistently have lower RAM scores than a road maintained using the same practices with a high PCI Road class mapping should consider consistent pavement conditions as variability within the class will lead to reduced confidence and ability to extrapolate road segment observations to the complete road class network Sweeper accessibility Parked cars speed bumps snow berms and other barriers can prevent the sweeper from accessing the entire impervious road surface thereby reducing sweeper performance per level of effort Opportunities exist to modify the sweeping program to improve access but relative accessibility should be considered when defining roads that belong to similar road class TAHOE ROAD RAM USER GUIDANCE 15 HOW DO I APPLY ROAD CLASS CONCEPTS TO MY ROAD NETWORKS The goal is to categorically define both the sources and the sinks of FSP the roads within your area of interest Road class may change over time as jurisdictions institute new practices buy new equipment construct new roads etc The tool allows users to redefine road class without losing previously entered data by associating the road class definition with the specific date the file was uploaded see discussion below on editing an existing road class layer Below we consider the sources and the sinks of FSP to the roads separately On a practical layer the process of creating the road class layer can be done one of two ways 1 c
30. blow the direction you are facing Place heels together Sweep the 1 x 1 area in front of you The intention is to create a dust cloud with 3 to 4 vigorous sweeps The user must make firm and consistent contact with the ground to ensure a dust cloud is generated if fines are present on the road surface Record maximum height that cloud reaches Determine the duration the dust cloud remains visible as lt 2 seconds or gt 2 seconds For each accumulation area where the percent of segment is greater than 0 select appropriate Height of cloud and Time cloud hangs in air category NDNATURE Helpful Hints Practice visually estimating volume of material in 1 x 1 area based on 7 categories Know the categories and gain the estimating skill to avoid sweeping and measuring material Practice in a safe environment e g parking lot Volume of material ml Volume of Material data entry Helpful Hints Road RAM scoring is highly sensitive to the degree of fines as measured by the dust cloud fingerprint tests See Troubleshooting amp FAQs for a suggested approach to determine the level of fines within a 1x1 square When you sweep the road vigorously what does the dust cloud look like Height of cloud pac rs mm Time cloud hangs in air Dust Cloud data entry Helpful Hints e The dust cloud is best observed by the non sweeping partner e Err to
31. can store abrasive application priority sweeping effectiveness road surface integrity and PLRM road risk data if values are uploaded in the CSV file However these attributes cannot be displayed within Road RAM Because only road class is used in the spatial extrapolation process these other road segment attributes are not used or displayed in Road RAM If you wish to explore and quantify these other road segment attributes further you can do so in GIS You can also export Road RAM results to a CSV file and join this data to GIS attributes to analyze the data further 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 26 MAY 2015 5 ENTER FIELD OBSERVATIONS Implement Road RAM field observations to determine road condition Tahoe Road RAM field observations are a compilation of distinct rapid observations and or measurements made at road segments over time to evaluate and track condition using Road RAM 5 1 HOW TO STEPS The user has 2 options to record field observation data A Print a hard copy of the field and complete it in the field Return to your office and enter the data into www tahoeroadram com Field datasheets are provided in 2 forms single site and multi site both are available in downloads in the tool Enter the field observation data directly into www tahoeroadram com using a smartphone or tablet where cell service is available There is a QR code available on the website under the
32. ct class There are a series of factors to consider when assigning road class Abrasive applications The timing of abrasives applied to a road network is dictated primarily by the weather with protecting driver safety a priority during freezing and storm conditions The relative frequency and amount applied varies across jurisdictions based on traffic density locations of schools intersections shading etc Road class designations should consider these relative jurisdictional priorities of the frequency and amount of abrasives applied Roads of the same class are generally subjected to the same amount and frequency of abrasive applications during winter road maintenance Other sources of sediment Similar to abrasives other source of sediment to the road can be also be pulverized and contribute to the FSP mass on the roadway These sources may include tracking from cars via other adjacent erodible surfaces construction or potentially road surface degradation and tire wear Additional sources of sediment may also include sidewalks that are adjacent to the roads as well as asphalt or concrete ditches The seasonal contributions of these sources to the overall road FSP load will likely vary with perhaps the greatest sources coming from car transport and tracking via roads with relative high FSP concentrations Sweeping practices Each jurisdiction has different equipment and available resources that drive their feasible sweeping program In general
33. d KMZ to Tahoe Road RAM e Navigate to Select Segments e Click Upload and complete the information Tahoe Tools requested o The Select Area step is optional To an area To spatially extrapolate scores to select the area of interest from the dropdown your registered road operations o Click Choose File and located the CSV file you must select an area from the designating road class dropdown list o Click Upload to begin the transfer process o When the CSV upload is complete click Choose File and locate the KMZ file of the roads o Click Upload to begin the transfer process e Close the window The roads will appear on the map and in the table Upload new road segments for Demo Upload Road Segments This process will add new road segments This is a 2 or 3 step process The first step select an area is optional The other two steps are required upload a CSV file and upload a KMZ file Note that road segment IDs should start with a letter character not number for proper website function Select Area optional Road segments do not have to belong to an area of interest but Road RAM scores by road class cannot be generated without assigning an area to the road segments Select Area Upload CSV File Select CSV file Choose File No file chosen Upload Upload Segments window in Tahoe Road RAM NONATURE TAHOE ROAD RAM USER GUIDANCE 23 4 2 TR
34. e a new road layer for road class The Input Features are the 2 layers to be intersected The Output Feature Class is the name and location of the new road class layer All other fields should be completed as shown A Intersect Ba Input Features Features Ranks ex ae Output Feature Class JoinAttributes optional ALL XY Tolerance optional Feet Output Type optional INPUT v OK Cancel Environments Show Help gt gt Intersect the source and sink layers to create one road class layer HOW DO I DELETE A ROAD CLASS Identify the desired road class in the table to the right Click Delete Roads in the table If Has Segments is noted the roads cannot be deleted See the Chapter 3 Classify Roads for details on how to delete roads Instead you can edit an existing road class layer using Overwrite See below for more information HOW DO I EDIT AN EXISTING ROAD CLASS The desire to change the road class file is likely for one of 3 reasons A there was a mistake in the initial categorization of road class B road maintenance practices in the area have changed significantly and the definitions need to change or C the roads within the area have changed significantly due to construction projects NDNATURE TAHOE ROAD RAM USER GUIDANCE 17 e If for reason A then you should Overwrite the exis
35. e located e Use Google Street View to perform secondary screening of each site Field personnel safety is critical and all sites should be evaluated for o Access to crosswalks or stop signs whenever possible to allow safe location for field personnel to cross road o Distance from curves to ensure visibility of personnel to drivers Never select a site on a curve At least 300ft of visibility from oncoming traffic should be available from both directions e Visit location in the field to confirm its appropriateness for RAM observations Consider safe vehicle parking access for field personnel completely off of the road right of way e Once site location is confirmed in the field assign each road segment a unique ID HOW MANY ROAD SEGMENTS SHOULD I CREATE That depends on why you are using Road RAM The Crediting Program defines a minimum number of road segments required per road area which can be found at www tahoeroadram com cap Otherwise we recommend that you consider the purpose of the data collection and align your road segment number and distribution with the data you need for your analysis HOW DO I SEE THE ROAD SEGMENT IDS ON THE MAP For clarity the labels are only displayed when the map is zoomed in to a certain extent Click Enlarge Map below the Google map to open an enlarged map in a new window where labels are visible 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 24 MAY 2015
36. e system NAD 1983 UTM Zone 10 is recommended Tahoe Basin boundary to create a jurisdictional area of interest By using the largest extent possible you will only need to do this step one time Step 2 Add two fields to the attribute table Name and Acres e The formatting for the added fields should match the table shown below e Populate Name with the name of your area e Use Calculate Geometry to calculate the area of the n in acres potygo i Format should Format should be Text be Double Attribute table for area of interest polygon 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 8 Step 3 Convert GIS layer to KMZ Turn on the layer in the table of contents so the polygon is displayed MAY 2015 Helpful Hints The area of interest polygon will appear exactly how it appears in Set map scale to layer extent Right click the layer in ArcGIS We recommend a 2pt border in the table of contents and choose Zoom to Layer any color avoiding shades of blue and Verify shapefile properties are compatible with Tahoe Road RAM Right click the layer in the table of either no fill or the display transparency set to at least 50 contents and choose Properties In the Display tab ensure the Display Expression field Name In the HTML Popup tab ensure the Show content for this layer
37. eed to update the road to a segment class for an existing segment you will need to assign a new Name to Helpful Hints 1 Make sure you are uploading a CSV and a KMZ file A CSV is a Comma Separated Values file which stores tabular data in a plain text file by separating data fields using a comma A KMZ is a compressed Keyhole Markup Language KML file Tahoe Road RAM only accepts properly formatted CSV and KMZ files 2 The CSV file must be formatted just like the template provided under Downloads This includes the column header names the format of the data fields letters vs numbers length of data and the format of the names cannot start with 7 3 Follow the KMZ conversion directions explicitly Step 3 Common issues are Uncheck the Show content for this layer using the HTML Popup tool box under Layer Properties Ensure the Name field is selected as the Display Expression Field under Layer Properties Ensure the layer is visible when the export to KMZ is completed and Define the Layer Output Scale as a value greater than 0 the road segment and update the road class in the GIS attribute table This will maintain the integrity of the Road RAM database and prevent recalculations of previous road class and area scores Follow the instructions above to upload new road segments NDNATURE TAHOE ROAD RAM USER GUIDANCE 25 DOES TAHOE ROAD RAM STORE OTHER ROAD SEGMENT ATTRIBUTES Tahoe Road RAM
38. es 8 3 and 8 4 and the recommended minimum number of observation periods by season for the temporal integration to water year scores Technical Document Table 8 6 For information on the revised recommendations please refer to the updated Crediting Program Handbook available online www tahoeroadram com cap All aspects related to the technical algorithms and scoring methods remain relevant and an interested user is directed to view the Road RAM Technical Document available online 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 4 MAY 2015 WELCOME The Road Rapid Assessment Methodology Road RAM is a set of quick and simple field observations that when coupled with its complimentary web based data management tool assists Tahoe Basin natural resource managers in determining road condition with respect to the downslope water quality risk RAM field observations are based on scientific and engineering analysis informed by rigorous visual monitoring and runoff sampling across Tahoe Basin roads The RAM Score is directly correlated to the concentration of fine sediment particles FSF particles lt 16um in diameter generated from a 10 000 ft road segment The road segment is defined by the width of the impervious road surface and includes bike lanes sidewalks or asphalt ditches if present and contiguous with the road surface Results of the Road RAM help inform maintenance needs track condition over time and
39. gram refer to Crediting Program Handbook Additional options as to how Road RAM results can be used to inform road management in the Tahoe Basin are discussed in the Road RAM Technical Document that can be downloaded from the website for more details 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 40 MAY 2015 8 GLOSSARY amp FIELD DATA SHEETS Abrasive Applications Area of Interest Field Observations Fine Sediment Particles FSP Material Accumulation Category Observation Period Other Sediment Sources Pavement Condition Index The timing of abrasives applied to a road network is dictated primarily by the weather with protecting driver safety a priority during freezing and storm conditions The relative frequency and amount applied varies across jurisdictions based on traffic density locations of schools intersections shading etc Road class designations should consider these relative jurisdictional priorities of the frequency and amount of abrasives applied An area of interest can be used to group user inputs or view Road RAM results Typical types of areas relevant to Tahoe Road RAM are urban catchments Jurisdictional boundaries or specific road networks A compilation of distinct rapid observations and or measurements made at road segments over time to evaluate and track condition using Road RAM FSP refers to the mass fraction of the TSS total suspended sediment
40. he layer in the table of contents so the segments are displayed Set map scale to layer extent Right click the layer in the table of contents and choose Zoom to Layer Verify shapefile properties are compatible with Tahoe Road RAM Right click the layer in the table of contents and choose Properties In the Display tab ensure the Display Expression field Name In the HTML Popup tab ensure the Show content for this layer using the HTML Popup tool is unchecked Open the Layer to KML Conversion tool and enter the following parameters o Layer is the segments shapefile o Output File is the location and file name for the KML file to be created Be sure to place in a location that makes sense with your data management system o Layer Output Scale is the current map scale When entering the map scale leave out preceding 1 This step is not optional This field cannot be the default zero value o Click OK You can check to see if the KMZ file was created correctly by opening the file in Google Earth 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 22 MAY 2015 Scale symbols when a reference scale is set Transparent 0 Display Expression Field NAME Show MapTips using the display expression Show content for this layer using the HTML Popup tool f Display and HTML Popup Properties Step 4 Upload CSV an
41. he user can inventory discrete road segments and track road condition at those specific locations over time without assigning a road class to the segment In this case road segment scores will be generated but Road RAM scores will not Helpful Hints Users must create road segments in order to use Tahoe Road RAM Field observations must be tied to a specific location to calculate scores Upon creating an account a default Test road segment is automatically created for the user to allow testing of field observation data entry and score generation 4 1 HOW TO STEPS The user creates a point shapefile in ArcGIS exports the attribute table as a CSV exports the shapefile as a KMZ and uploads the files into Tahoe Road RAM Step 1 Select road segment locations Tahoe Tools e In ArcGIS 9 3 or higher create a point shapefile Make sure your shapefile has a projected coordinate Specific numbers of road segments system NAD 1983 UTM Zone 10 is recommended per road class are required for the Crediting Program See the e Add two fields to the attribute table ID and Handbook Guidance for more Name information o ID is a text field o Name is a text field It cannot start with a number and must be unique Creating a segment with the same name as an existing segment will replace the all data associated with the original segment See more information in Troubleshooting amp FAQs about overwriting segme
42. ion and enter Heavy and Moderate values Click Save Helpful Hints e Identify the cleanest light usually the drive lane and dirtiest heavy usually the road shoulder first Then decide if there is a moderate zone e f areas are not obvious use a hand broom to generate a dust cloud at different spots on the road Different dust cloud heights can distinguish areas of accumulation e If you identify only 1 area of accumulation double check dust cloud height and fines finger test at several spots to verify homogeneity 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 32 MAY 2015 5 1 4 STEP 2D VOLUME amp FINES OBSERVATIONS BY ACCUMULATION ZONE For each accumulation area where the percent of segment is greater than 0 Estimate Volume of Material Measure Dust Cloud Conduct Fingerprint Test Estimate Volume of Material For each accumulation zone select a representative and safe 1x1 square Visually estimate the volume of material within the square based on the 7 categories on field datasheet Observation includes both fine and coarse material and any material within cracked pavement Do not include organic material e g pine needles leaves etc in estimate Select appropriate Volume of material category Measure Dust Cloud Select a representative and safe 1x1 square for each area of accumulation Position backside upwind so dust will
43. l 019 Ol 016 Ol 019 OL 016 Ol 0165 G O G O L GO I G O L GO I G O L GO G O G Ol I G O G O NDNATURE WIDTH PACE COUNT NN Calculate width DISTRIBUTION 30 to 100 HEAVY MODERATE LIGHT Seg ID Length Width Heavy Light Volume mL pust Time Finger pace pace pace pace height sec test none lt 2 Y N AK W gt 2 S GB A ankle K knee W waist Dust cloud duration yes no visible S slimy G gritty B both
44. l be autocalculated Estimated Width ft Estimated Length ft 500 0 Estimated Width paces Estimated Length paces mrs 166 d KR f Cancel Save Segment Dimensions data entry e Open Segment Dimensions and enter Estimated Width as feet or paces Click Save e Road RAM will automatically calculate the Estimated Width in the other units and Estimated Length in both units feet and paces based on the road width input NUNATURE TAHOE ROAD RAM USER GUIDANCE 5 1 3 STEP 2C MATERIAL DISTRIBUTION Walk the perimeter visually assessing material accumulation patterns and distribution throughout segment Depending on time of year and road condition there can be 1 3 material accumulation areas The delineation of heavy moderate and light zones is relative to that segment at that time of observation Find a representative cross section not the dirtiest or cleanest section of the accumulation pattern Starting on road shoulder count paces for heavy and moderate accumulation areas across width of road Only cross road where it can be done safely Calculate light zone Resolution is 0 5 paces 31 Heavy Moderate Light Auto calculated Percent Accumulation data entry Calculate distribution for each accumulation zone based on incremental pacing results Round answers to nearest 5 Visually confirm that distribution percentages make sense Open Material Distribut
45. lander City of South Lake Tahoe Jason Kuchnicki Nevada Division of Environmental Protection Karin Peternel Douglas County Robert Larsen Lahontan Regional Water Quality Control Board Tyler Thew Nevada Division of Transportation This work authored by 2NDNATURE LLC and its employees was funded by a the State of Nevada acting by and through the Department of Conversation and Natural Resources Division of Environmental Protection via subcontract with Northwest Hydraulic Consultants and is therefore subject to the following license 2NDNATURE LLC hereby grants to the State of Nevada Department of Conversation and Natural Resources and the Lahontan Regional Water Quality Control Board a paid up nonexclusive irrevocable right and license to use reproduce and distribute copies of this work to the public and perform such work publicly and display publicly for any purpose permitted by the agreements described in a above by or on behalf of the State of Nevada and the Lahontan Regional Water Quality Control Board This work together with all other intellectual property and proprietary rights to this work and the methods and ideas described herein are reserved by 2NDNATURE LLC TAHOE ROAD RAM USER GUIDANCE 1 CONTENTS L CUPU TACCO 6 9 eee E E E EE E EAE A EE EE EE EE 5 1 1 A 5 1 2 Troubleshooting amp FAQS secs cite a pence 6 1 2 ARE USE OE E aii 7 2 1 HOW TO SOS ici ali
46. left hand menu that will access the field observation form on your mobile devise See Troubleshooting amp FAQs for more information Tahoe Road RAM QR code Step 1 Preparation e If using hardcopy datasheet populate field datasheet with each road segment ID and length width pacing if known prior to going into the field e Field Checklist o Field datasheet field map or smartphone table with cell service Safety vest Clipboard Pencil Handbroom Baby wipes Dust pan optional Graduated cylinder optional O O O O O O Helpful Hints Field observations should not be made when pavement is wet or in windy conditions Critical field observations like the height and time of the dust cloud are highly sensitive to wind and scores can be skewed in highly windy conditions We recommend that you reschedule your data collection for calmer conditions NDNA TURE TAHOE ROAD RAM USER GUIDANCE 27 Important Safety Tips Never make observations in conditions that are unsafe such as foggy conditions during poor lighting dusk or dawn slippery road conditions high traffic times etc Always work in pairs and wear brightly colored safety vests at all times Have one person always face traffic when the other is conducting measurements and looking at road surface Use crosswalks and stop signs when available to cross the road Never turn your back to oncoming traffic Use proper roadway signage based on the requirements of
47. ll field observations are associated with the road class file most recently uploaded without being uploaded later than the field observation and the spatial extrapolation is performed with that road class file DOES ROAD RAM STORE OTHER ROAD ATTRIBUTES Road RAM can store abrasive application priority sweeping effectiveness road surface integrity and PLRM road risk data if values are uploaded in the CSV file However these attributes cannot be displayed within Road RAM Because only road class is used in the spatial extrapolation process these other road attributes are not used or displayed in Road RAM If you wish to explore and quantify these other road attributes further you can do so in GIS summarizing the total miles and percent distribution by attribute category You can also export Road RAM results to a CSV file and join this data to GIS attributes to analyze the data further 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 20 MAY 2015 4 SELECT SEGMENTS A road segment is a 10 000 ft road unit the standardized road area selected and evaluated by the Road RAM user This size is assumed to be large enough to be representative of a road while small enough that the road condition can be assessed rapidly in less than 10 minutes per site Road segment field observations are constrained to the impervious extent of the road surface and the adjacent bike lanes sidewalks or asphalt concrete ditches T
48. n mg L range Significant potential risk to downslope water quality should runoff event occur 1 592 680 Road maintenance practices require immediate improvements Capital improvement projects downslope may need to be considered to capture road generated pollutants Likely potential risks to downslope water quality Road maintenance practices require immediate improvements Degraded 679 291 p Capital improvement projects downslope may need to be considered to capture road generated pollutants Road condition is closer to degraded than desired may pose downslope water quality risk gt 2 0 lt 3 F 290 124 i TN E SDR a 2 Road maintenance should be prioritized as needed if time and resources permit No immediate risk to downslope water quality should runoff event gt 3 0 lt 4 0 Acceptable 123 53 occur Minimal need to improve road maintenance practices Maxi hi ition SEG a 52 23 aximum ac ievable road condition No need to improve road maintenance practices 6 1 HOW TO STEPS Step 1 View scores by observation period e Click View Obs Per and select the observation period of interest from the dropdown list e The most recent data shows the most recent road segment score regardless of observation period e Click Enlarge Map below the Google map to open a large map in a new window Print using the web browser print functionality or take a screenshot of the map and copy the image to a word document
49. ntenance practices across the road networks they maintain Road class is defined as the combination of pollutant control practices employed on a particular road throughout the year including the relative planned abrasive application priority during winter road conditions and relative planned sweeping priority when the weather is favorable for pollutant recovery Road class is used to spatially extrapolate road segment scores to determine Road RAM scores for complete road networks The jurisdictions classify the roads in their jurisdiction in GIS based on actual maintenance practices Road class is defined as the relative practices implemented by the respective jurisdiction Road class is not intended to be comparable across two jurisdictions The relative risk to downslope water quality from a road at the time of observations quantitatively expressed as a Road RAM score The primary pollutant of concern is fine sediment particles FSP lt 16um but total suspended sediment and nutrient species are also assumed to vary in relative magnitude with road condition The condition of a road fluctuates over time due to the continual balance of pollutant sources and sinks based on a variety of factors primarily physiographic characteristics associated road maintenance practices and stormwater runoff The Road RAM tool provides a quantitative measure of road condition on a 0 5 scale with 5 being the best possible condition and corresponding to the best achiev
50. nts versus creating new segments Helpful Hints Road segment selection should consider field personnel safety as well as monitoring purpose amp objectives More information available in Troubleshooting amp FAQs Important Safety Tips First and foremost select sites where field personnel safety is not an issue Locate sites where crosswalks are available and lines of sight provide at least 300ft of visibility for oncoming traffic in both directions NUNATURE TAHOE ROAD RAM USER GUIDANCE 21 Step 2 Export the GIS attribute table to CSV Ensure ID and Name conform to the format shown above 2 85 C Export the attribute table Navigate to the appropriate folder and save as a text file txt Open the text file in Microsoft Excel 5555 and Save As a CSV 6 7 Attribute table for road segments The attributes highlighted Ensure the CSV is formatted exactly eren as shown below o A CSV template named RRAM template segment csv is provided under Downloads section of Tahoe Road RAM o Extra data columns not shown below must be deleted o Values in the RSRisk RSAA RSSE and RSI can be blank D G H Name RSRisk RSClass RSI O Caltrans O PLR AX 1 Caltrans 1 PLR AX 2 Caltrans 2 PMR AX 3 Caltrans 3 PMR AX 4 Caltrans 4 PMR AX Properly formatted road segment CSV Step 3 Convert GIS layer to KMZ Turn on t
51. o ensure fields are o Road Class is a text field Values must be one of properly formatted nine designations AX AY AZ BX BY BZ CX CY CZ See Troubleshooting amp FAQs for considerations when defining road class o Road Length is a numbered field Use Calculate Geometry to calculate the length in feet Step 2 Export the GIS attribute table to CSV HM e Ensure Name RoadClass and RoadLength fields conform to the format shown above e Export the attribute table Navigate to the appropriate folder and save as a text file txt e Open the text file in Microsoft Excel and Save As a CSV e Ensure the CSV is formatted exactly as shown below o A CSV template named RRAM_template_classify csv is provided under Downloads section of Tahoe Road RAM o Extra data columns not shown below must be deleted o Values in the first 5 columns can be blank A C D E F G H 1 RoadAA RoadSE RoadRSI RoadRisk RoadClass Name RoadLength 2 AX 0 PioneerTr 1474 3 AX 1 PioneerTr 1357 AX 2 PioneerTr 16480 5 AX 3 PioneerTr 12243 6 AX 4 PioneerTr 1792 Properly formatted road class CSV Step 3 Convert GIS layer to KMZ e Turn on the layer in the table of contents so the roads are displayed e Set map scale to layer extent Right click the layer in the table of contents and choose Zoom to Layer e Verify shapefile properties are compatible with Tahoe Road RAM Right click
52. oad RAM 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 6 MAY 2015 Step 3 Adjust account settings e Set the default map center point by dropping the pin to the desired location Once you set this location you cannot modify it Each time you log on this will be the map display e At this time the website will also create a default road segment for your user account with the ID Test Use Test to enter Road RAM observations and generate a score without having to inventory a segment Map data 2015 dio INEGI Terms of Use q a map error Move the pin to set the default location for all Google map displays in Road RAM Map Settings window If you have forgotten your password or want to change it please contact 2NDNATURE at Clear browsing dats x 831 426 9119 or maggie 2ndnaturellc com d Obliterate the following items from Browsing history HOW DO I ADJUST THE MAP SETTINGS Elio FROM MY DEFAULT Cookies and other site and plug in data Cached images and files The only opportunity to define your map settings is upon logging on to the website for the first time Passwords Autofill form data Hosted app data Content licenses Learn more Clear browsing data Cancel Saved content settings and search engines will not be cleared and may reflect your browsing habits Regularly clear Google Chrome browsing history to optimize website f
53. r of segments being evaluated field personnel may require more than 1 day to make all the observations To ensure all observations are related the first day of the observation defines the observation period The observation date is the specific date of the observation HOW DO I ENTER A ROAD SEGMENT SCORE DIRECTLY If using non RAM field observation protocols click Other button and enter field personnel observation period see next bullet date road segment score and method Click Save RAM OTHER Data Enter field personnel date of observation and observation period New observation period Enter an observation date and leave the observation period blank An new observation period will be created Existing observation period Select an existing period from the dropdown and enter the date FIELD PERSONNEL OBSERVATION PERIOD OBSERVATION DATE ROAD SEGMENT SCORE OBSERVATION METHOD Data entry for non RAM field observations 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 36 MAY 2015 6 VIEW SEGMENT SCORES A road segment score is a value between 0 and 5 obtained from Road RAM field observations at one point in time for a 10 000 sq ft road area The colors and associated scores represent very specific definitions of relative road condition The table describes the score ranges and associated colors and FSP concentrations FSP concentration Descriptio
54. r roads of the same road class A Road RAM score of 5 is the achievable score that equates to minimal downslope water quality threat during a subsequent runoff event The Road RAM score declines as the relative amount of available fine sediment particles present on the road segment increases thus increasing the risk to downslope water quality should a runoff event occur 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 42 Road Segment Road Segment Score Sources Sinks Sweeper Accessibility Sweeping Practices Threshold Value MAY 2015 A 10 000 ft road unit is the standardized road area selected and evaluated by the Road RAM user This size is assumed to be large enough to be representative of a road while small enough that the road condition can be assessed rapidly in less than 10 minutes per site A value between 0 and 5 obtained from Road RAM field observations at one point in time for a 10 000 sq ft road unit Road segment scores are obtained from a number of road segments belonging to the same road class They are averaged to determine a Road RAM score for that road class Sources of FSP on an impervious road surface include abrasive applications plus other sources and are designated as intensive moderate or rarely to never as a relative scale as treated by the respective jurisdiction Sinks of FSP on an impervious road surface include sweeping practices pavement condition inde
55. reating 2 separate layers sources and sinks and then intersect them to create the road class layer or 2 create one class layer and assign abrasive application priority and sweeping effectiveness within that layer Either approach is acceptable and will generate a valid road class layer Creating two separately layers allows you to be more detailed in the spatial distribution of sources vs sinks while creating one layer is easier from a data management standpoint Sources include abrasive applications plus other sources and are designated as intensive moderate or rarely to never as a relative scale as treated by the respective jurisdiction e Define up to 3 categories for the roads in your area High A Moderate B and Low C Considerations when defining the categories include but are not limited to type of abrasives applied ratio of abrasives to salt applied equipment used to apply abrasives frequency of application every storm most storms never likelihood of abrasives being tracked to location from nearby roads likelihood of tracking to sidewalks adjacent to roads where recovery is more challenging likelihood of tracking from unpaved private driveways other adjacent erodible sources and or construction and potential road surface degradation and tire wear e Assign each road length a relative source value Using the definitions above create a RoadAA field in the attribute table and assign each road length a value of A
56. s 3 zones of the material accumulation are used to predict the FSP concentration that the portable simulator would measure These 3 concentrations are spatially weighted based on the distribution as documented by the Road RAM user in the field The weighted road segment FSP concentration is then converted to a 0 5 score using a standard equation All of these scoring details are provided in the Road RAM Technical Document that can be downloaded from the website HOW CAN I USE THE ROAD SEGMENT SCORE RESULTS There are a number of uses Road segments scores can be used to prioritize maintenance actions by highlighting on a map where the locations in poor condition red are Condition at a specific location can be viewed over time in a graph to show changes over time This data can be analyzed outside the too with respect to meteorological road attribute or road maintenance data to evaluate causal relationships It is really up to you how you want to apply the data 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 38 MAY 2015 7 VIEW ROAD RAM SCORES A Road RAM score is a value between 0 and 5 that represents the temporally discrete spatially extrapolated road condition for all roads belonging to a single road class The Road RAM score is the average of road segment scores for roads of the same road class for the respective observation period The colors and associated scores represent very specific defini
57. st complete the Catchment CAP information on the left side of the window o Area Name is a unique name o Description can be any text to easily communicate more information about the area and how or when it was defined o Area the acreage calculated in GIS for the polygon Upload Area for Demo Upload a new area of interest or overwrite an existing area You will need to have created a KMZ file in GIS to complete this step See Help on main page for more guidance Upload a new area of interest Overwrite an existing area Area Name Select Area to Replace Select One Y Description Description Area acres Area acres Select the KMZ file to upload Select a file Choose File No file chosen If the file is large there may be a few seconds of blank screen while file is loading Upload Using the same window the user can upload a new area left side or replace an existing area right side e To overwrite or modify an existing area of interest complete the information on the right side of the window o Select the existing area to replace from dropdown o Description and Area are the same as above e Click Choose File and locate the KMZ file you created e Click Upload to begin the transfer process e Close the window The area polygon will appear on the map and in the table 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9
58. the layer in the table of contents and choose Properties In the Display tab ensure the Display Expression field Name In the HTML Popup tab ensure the Show content for this layer using the HTML Popup tool is unchecked In the Symbology tab ensure features are displayed as a Single Symbol e Open the Layer to KML Conversion tool and enter the following parameters Layer is the roads shapefile Output File is the location and file name for the KML file to be created Be sure to place in a location that makes sense with your data management system o Layer Output Scale is the current map scale When entering the map scale leave out preceding 1 This step is not optional This field cannot be the default zero value NDNATURE TAHOE ROAD RAM USER GUIDANCE 13 o Click OK e You can check to see if the KMZ file was created correctly by opening the file in Google Earth Scale symbols when a reference scale is set Transparent 0 Display Expression Field NAME Show MapTips using the display expression Draw all features using the same symbol Symbol Display Symbology HTML Popup F Show content for this layer using the HTML Popup tool f Display Symbology and HTML Popup Properties Step 4 Upload CSV and KMZ to Tahoe Road RAM e Navigate to Classify Roads Upload Road Class for Demo e Click
59. ting roads in an area to edit any mistakes or changes Click Overwrite and follow the 4 step directions Select the appropriate area of interest from the dropdown list Select the date associated with the file you want to replace from the dropdown list O O O o Follow the remaining steps described in Chapter 3 Step 4 Upload Road Class for Demo Overwrite Existing Roads in a Specific Area This process will upload roads and their associated road class to replace existing roads in a specific area THIS CANNOT BE UNDONE There are 4 parts to this process select the area select the road date to replace upload a CSV file and upload a KMZ file Select Area Select Date PilotRoads 2015 01 07 Upload C SV File Select CSV file Choose File No file chosen Upload Upload Roads window in Tahoe Road RAM e If for reasons B or C you should upload new roads to the same area That way you can add new data to the updated roads without compromising the data you ve already collected o Click Upload and follow the steps described in Chapter 3 Step 4 2NDNATURE LLC ecosystem science design www 2ndnaturellc com 831 426 9119 18 MAY 2015 HOW CAN I USE THE ARCGIS FIELD CALCULATOR TO STANDARDIZE THE ATTRIBUTE FIELDS e Right click the field name in the attribute table and select Field Calculator from nee sii the drop down list kun Python e For Name type the following
60. tions of relative road condition The table describes the score ranges and associated colors and FSP concentrations FSP pie Condition concentration Description mg L range Significant potential risk to downslope water quality should runoff event occur O 1 0 Poor 1 592 680 Road maintenance practices require immediate improvements Capital improvement projects downslope may need to be considered to capture road generated pollutants Likely potential risks to downslope water quality Road maint ti ire diate improvements dsd 679 291 oat main enance prac ices require immediate improv Capital improvement projects downslope may need to be considered to capture road generated pollutants Road condition is closer to degraded than desired may pose downslope water quality risk gt 2 0 lt 3 F 290 124 SAY das A IO ae Road maintenance should be prioritized as needed if time and resources permit No immediate risk to downslope water quality should runoff event 3 0 4 0 Acceptable 123 53 occur Minimal need to improve road maintenance practices aT a 52 23 Maximum achievable road condition No need to improve road maintenance practices 7 1 HOW TO STEPS The user can view Road RAM results by 1 area and road class for an observation period 2 area and road class for a water year and 3 data download of all road class results Step 1 View scores by observation period Tanoe Tools See the Handbook Guidance for e Click
61. unctionality NDNATURE TAHOE ROAD RAM USER GUIDANCE 7 2 DELINEATE AREA An area of interest can be used to group user inputs or view Road RAM results Typical types of areas relevant to Tahoe Road RAM are urban catchments jurisdictional boundaries or specific road networks In order to spatially extrapolate road segment observations to determine road class condition for specific observation periods an area of interest must be defined Grouping jurisdictional areas or neighborhoods that better delineate how road crews conduct maintenance may also be useful for field maps or summarizing results Helpful Hints An area of interest does not need to be defined in order to use Tahoe Road RAM The user can inventory discrete road segments and track road condition at those specific locations over time without delineating an area of interest However without an area of interest the tool will not spatially integrate road segment scores to generate Road RAM scores for defined road networks 2 1 HOW TO STEPS The user creates a polygon shapefile in ArcGIS exports the shapefile as a KMZ and uploads this file into Tahoe Road RAM The user can also modify an existing area of interest using similar steps Step 1 In ArcGIS 9 3 or higher create a polygon os A Pog Tahoe Tools shapefile that defines your area of interest Cli jurisdictional boundary by th e Make sure your polygon has a projected ge ae RE cee coordinat
62. wards the lower height If you are unsure of the height following a number of measurements select the lower height TAHOE ROAD RAM USER GUIDANCE Conduct Fingerprint Test e Adjacent to the dust test in a visually similar area perform the fingerprint test e Wipe hands with baby wipe or a wet towel to make sure they are clean and moist e With moderate pressure rub 2 3 fingers into road surface going side to side 2 times e Examine fingerprints Are your fingerprints visible through the layer of material e Wet your thumb with the baby wipe and then rub middle finger Does your finger feel gritty slimy or both When wet clay particles will feel slimy e For each accumulation area where the percent of segment is greater than 0 select appropriate Visible and Feel category 33 Is your fingerprint visible lf you answer yes or no what does it feel like when you rub your fingers together Fingerprint data entry Helpful Hints If any amount of material is present on your finger do not answer None If any part of your fingerprint is visible answer No If you are unsure answer Yes Slimy indicates 100 clay size material If you are unsure answer Yes Err towards the lower height If you are unsure of the height following a number of measurements select the lower height FINGER PRINT VISIBLE a Fingerprint result examples 2NDNATURE LLC ecosystem science design
63. x and sweeper accessibility and are designated as intensive moderate or rarely to never as a relative scale as practiced by the respective jurisdiction Parked cars speed bumps snow berms and other barriers can prevent the sweeper from accessing the entire impervious road surface thereby reducing sweeper performance per level of effort Opportunities exist to modify the sweeping program to improve access but relative accessibility should be considered when defining roads that belong to similar road class Each jurisdiction has different equipment and available resources that drive their feasible sweeping program In general high traffic roadways locations of relatively higher abrasive applications and the potential contributions of other sediment sources dictate the relative frequency at which specific roads are swept and perhaps the equipment used Road class designations should consider the relative jurisdictional frequency the roadway is swept Practices that minimize the amount of time abrasives and other sediment remain in the road i e residence time will generally lead to the relatively lower mass of FSP generation and accumulation on the road surface In order to implement the desired sweeper program effectively and ensure the best possible performance per unit effort the sweepers must be maintained at an acceptable level and operated properly pavement condition must be good and the road surface must be accessible to the sweeper
64. y vary with perhaps the greatest sources coming from discrete locations such as driveway localized erosion or construction activities The pavement condition or surface integrity is a critical factor that directly influences road condition There is little question that high PCI scores can greatly improve the effectiveness of sweeping efforts Roads with moderate to high degree of cracking limit the ability of sweepers to recover material from the road surface However subsequent rain events will mine these cracks of available FSP transporting the material downslope and Road RAM will identify these as poor condition roads Road class mapping should consider consistent pavement conditions as variability within the class will lead to noise in the Road RAM signal NDNATURE TAHOE ROAD RAM USER GUIDANCE 41 Pollutants of Concern Road Class Road Condition Road RAM Road RAM Database database Road RAM Score The pollutants identified to have the greatest impact on the receiving waters beneficial uses In the case of Lake Tahoe the continued decline in lake clarity is attributed to both the increased loading in fine sediment particles FSP lt 16um in diameter and algae production Therefore the identified pollutants of concern are FSP and biologically available nutrient species nitrate nitrite NO and soluble reactive phosphorous SRP A jurisdiction can define up to 9 unique road classes to define their road mai

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