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Home My WebLink About261.10SANG LAYER SEE NOTE A ASPHALT PERVIOUS CONCRET&POROUS ASPHALT MINIMUM MATERIAL THICKNESS JT BASE 12" MIN ABOVE SEASONAL HIIGH GROUNOWATEROR HYDRAULICALLY RESTRICTIVE LAYER NOTES: 1 PERMEABLE PAVEMENT THICKNESSES LISTED FOR PMOUS ASPHALT INCLUDE WEARING COURSE AND ASPHALT TREATED PERMEABLE BASE {ATPS) WHEN UTILIZED CSCKER COURSE REQUIRED WHEN ATPS IS USED, 2. RUNOFF STORAGE R€OUIREMENTS MAY REQUIRE A THICKER AGGREGATE BASE. HYDRAULIC MODELING RESULTS SHOWVING THE REQUIRED AGGREGATE BASE THICKNESS FOR STORMWRTER CONTROL MUST BE SUBMITTED 3 PREPARE AND PROTECT SUBGRAIDE PER APWA, GSP 248.3[3) SUBGRADE FOR PERMEABLE PAVEMENTS. COMPACT TO A DEPTH OF d' TO 90%4236 OF MA -xi MLIM DENSITY PER WSDOT 2.03 30410 OVERCOMPACTEDSUBGRAI E SHALL BE SCARIFIED TO OMIN, AND RECOMPACTED 4. PERMEABLE PAVEMENT SHALL. BE DESIGNED WHERE THE SOIL BENEATH THE BMP MEETS A MINIMUM ORGANIC MATTER CONTENT OF 1.0% AND A MINIMUM CATKON EXCHANGE CAPACITY OF 6 MILLIEGUIVALENTS PER 100 GRAMS A 6 INCH SAND LAYER MUST BE INCLUDED IN THE DESIGN BENEATH THE PERMEABLE PAVEMENT IF THE SOIL DOES NOT MEET THESE PROPERTIES GENERAL NOTE$: 1. REFER TO -'$POT LOCAL AGENCY GENERAL SPECIAL PROVISI DNS (GSPs} OI VISIONS 2-9 APWA GSP3, AND WSDOT STANDARD SPECIFICATIONS 2, POROUS HMA SHALL CONFORM TO REQUIREMENTS OF APWA GSP S-04. 3. PAVEMENT ABASE SKALL BE INSTALLED PER APWA GSP §-04.3(5)SHAPING AND COMPACTION. 4 PERMEABLE ASPHALT TREATED BASE (PATS) SHALL CONFORM Tn THE REQUIREMENTS OF APwA. GSP 4SA2. CRUSHED SURFACING CHOKER COURSE (CSCC) SHALL CONFORM TO THE REQUIREMENTS OF APWA GSP 4.0,4.2(8.93 9{2)) OP42 5 PERMEABLE BALLAST SHALL CONFORM TO THE REQUIREMPMTS OF APWA GSP 4-04.299-03.9(21).Opll 6. MINIMUM UTILITY SETBACKS AND PROTECTION MEASURES MUST CONFORM TO CURRENT CITY STANDARDS AND OTHER UTJLJTY PRW13ER REQUIREMENTS. REFER TOTHE CITY OF RENTON SURFACE WATER DESIGN MANUAL AND STANDARD PLANS 25510 AND 26520 7 PERMEABLE PAVEMENT SHALL BE DESIGNEE] OR REVIEWED BY A LICENSED ENGINEERING GEOLOGIST OR GEOTECHNICAL ENGINEER FOR ALL APPLICATIONS, PAVEMENT DESIGNS MUST BE PREPARED BY AN ENGINEER LICENSED IN WASHINGTON STATE.. J3 ACCEPTANCE TESTING FOR SIDEWALKS, PATHS AND VEHICULAR PAVEMENT LESS THAN 2.CW $F SHALL BE AS €OLLDWS PAVEMENT SHALL BE PERMEABLE ENOUGH TO AB$QRB WATER AT A MINIMUM RATE OP 201NCHES PER HOUR IMMEDIATELY AFTER SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES APPROVAL WTH 5 GALLON BUCKET TEST, WATER TRUCK, OR ASTM C1701 USING A 1241NCH RING SE ALE D AT THE PAVEMENT SURFACE 9. ACCEPTANCE TESTING FOR ROADWAYS AND PARKING AREAS OF 2,000 SFOR GREATER SHALL HAVE A MINIMUM INFILTRATION RATE OF 100 IWHR PER ASTM C1701 AND APWA GSP 5-04.3 AND 5+06.3{6). 10 ROADWAYS, DRIVEWAYS, ANO PARI4NG LOTS SUBJECT TO VEHICLE LOADING SHALL MEET STRUCTURAL REQUIREMENTS OF CITY OF RENTON TRANSPORTATION DEPARTMENT STANDARDS FOR EQUIVALENT NON -PERMEABLE PAVEMENT TYPES I1. REFER TO THE CITY OF PENTON SURFACE WATER DESIGN MANUAL {SWOM)FOR ADDITIONAL REQUIREMENTS PER SViCM C.2.7. T2 FOR PERMEABLE PAVEMENT INSTALLATIONS ON SLOPES GREATER THAN 5%, CHECK DAMS AREA REQUIRED PER STD PLAN 20124. UNLE55 K3THSRWISE NOTFO, p -PAWING IS NoTTO SCALE [NTS Aaft PERMEABLE PAVEMENT MATERIAL SM. PLAN - 2161.10 07" PUBLIC WORKS VED,R3 OEPARTMENT SECTIONS - PERVIOUS CONCRETE AND POROUS ASPHALT RESIDENTIAL STREETS AND PEOESTFUAN ALLEYS PERVIOUS POROUS PERVIOUS POROUS LAYER MATERIAL TYPE' CONCREM ASPHALT CONCRETE ASPHALT IINI ON) IIN) pI PERMEABLE PAVEMENT. ;SEE NOTE 1 S 5 5 4 CHOKER COURSE 0 2 0 2 -- AGGREGATE EASE SEE NOTE 2 d d d 4 NOTES: 1 PERMEABLE PAVEMENT THICKNESSES LISTED FOR PMOUS ASPHALT INCLUDE WEARING COURSE AND ASPHALT TREATED PERMEABLE BASE {ATPS) WHEN UTILIZED CSCKER COURSE REQUIRED WHEN ATPS IS USED, 2. RUNOFF STORAGE R€OUIREMENTS MAY REQUIRE A THICKER AGGREGATE BASE. HYDRAULIC MODELING RESULTS SHOWVING THE REQUIRED AGGREGATE BASE THICKNESS FOR STORMWRTER CONTROL MUST BE SUBMITTED 3 PREPARE AND PROTECT SUBGRAIDE PER APWA, GSP 248.3[3) SUBGRADE FOR PERMEABLE PAVEMENTS. COMPACT TO A DEPTH OF d' TO 90%4236 OF MA -xi MLIM DENSITY PER WSDOT 2.03 30410 OVERCOMPACTEDSUBGRAI E SHALL BE SCARIFIED TO OMIN, AND RECOMPACTED 4. PERMEABLE PAVEMENT SHALL. BE DESIGNED WHERE THE SOIL BENEATH THE BMP MEETS A MINIMUM ORGANIC MATTER CONTENT OF 1.0% AND A MINIMUM CATKON EXCHANGE CAPACITY OF 6 MILLIEGUIVALENTS PER 100 GRAMS A 6 INCH SAND LAYER MUST BE INCLUDED IN THE DESIGN BENEATH THE PERMEABLE PAVEMENT IF THE SOIL DOES NOT MEET THESE PROPERTIES GENERAL NOTE$: 1. REFER TO -'$POT LOCAL AGENCY GENERAL SPECIAL PROVISI DNS (GSPs} OI VISIONS 2-9 APWA GSP3, AND WSDOT STANDARD SPECIFICATIONS 2, POROUS HMA SHALL CONFORM TO REQUIREMENTS OF APWA GSP S-04. 3. PAVEMENT ABASE SKALL BE INSTALLED PER APWA GSP §-04.3(5)SHAPING AND COMPACTION. 4 PERMEABLE ASPHALT TREATED BASE (PATS) SHALL CONFORM Tn THE REQUIREMENTS OF APwA. GSP 4SA2. CRUSHED SURFACING CHOKER COURSE (CSCC) SHALL CONFORM TO THE REQUIREMENTS OF APWA GSP 4.0,4.2(8.93 9{2)) OP42 5 PERMEABLE BALLAST SHALL CONFORM TO THE REQUIREMPMTS OF APWA GSP 4-04.299-03.9(21).Opll 6. MINIMUM UTILITY SETBACKS AND PROTECTION MEASURES MUST CONFORM TO CURRENT CITY STANDARDS AND OTHER UTJLJTY PRW13ER REQUIREMENTS. REFER TOTHE CITY OF RENTON SURFACE WATER DESIGN MANUAL AND STANDARD PLANS 25510 AND 26520 7 PERMEABLE PAVEMENT SHALL BE DESIGNEE] OR REVIEWED BY A LICENSED ENGINEERING GEOLOGIST OR GEOTECHNICAL ENGINEER FOR ALL APPLICATIONS, PAVEMENT DESIGNS MUST BE PREPARED BY AN ENGINEER LICENSED IN WASHINGTON STATE.. J3 ACCEPTANCE TESTING FOR SIDEWALKS, PATHS AND VEHICULAR PAVEMENT LESS THAN 2.CW $F SHALL BE AS €OLLDWS PAVEMENT SHALL BE PERMEABLE ENOUGH TO AB$QRB WATER AT A MINIMUM RATE OP 201NCHES PER HOUR IMMEDIATELY AFTER SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES APPROVAL WTH 5 GALLON BUCKET TEST, WATER TRUCK, OR ASTM C1701 USING A 1241NCH RING SE ALE D AT THE PAVEMENT SURFACE 9. ACCEPTANCE TESTING FOR ROADWAYS AND PARKING AREAS OF 2,000 SFOR GREATER SHALL HAVE A MINIMUM INFILTRATION RATE OF 100 IWHR PER ASTM C1701 AND APWA GSP 5-04.3 AND 5+06.3{6). 10 ROADWAYS, DRIVEWAYS, ANO PARI4NG LOTS SUBJECT TO VEHICLE LOADING SHALL MEET STRUCTURAL REQUIREMENTS OF CITY OF RENTON TRANSPORTATION DEPARTMENT STANDARDS FOR EQUIVALENT NON -PERMEABLE PAVEMENT TYPES I1. REFER TO THE CITY OF PENTON SURFACE WATER DESIGN MANUAL {SWOM)FOR ADDITIONAL REQUIREMENTS PER SViCM C.2.7. T2 FOR PERMEABLE PAVEMENT INSTALLATIONS ON SLOPES GREATER THAN 5%, CHECK DAMS AREA REQUIRED PER STD PLAN 20124. UNLE55 K3THSRWISE NOTFO, p -PAWING IS NoTTO SCALE [NTS Aaft PERMEABLE PAVEMENT MATERIAL SM. PLAN - 2161.10 07" PUBLIC WORKS VED,R3 OEPARTMENT SECTIONS - PERVIOUS CONCRETE AND POROUS ASPHALT