The URL can be used to link to this page

Home My WebLink AboutR-383206< NOTES CL cn a_ < c 0 POROUS HOT MZX ASPHALT E-4 112" MIXTURE. 0-4 Q_ cn �i z c _0 V) ONE OR MORE LAYERS OF PLANT -MIXED POROUS HOT MIX 0 0 m 0 z AM cn c rc- f GRADES, THICKNESSES, AND TYPICAL CR0SS'-SECMNS` SUltogE AND SrOJZAGE SYSrEMS SHOWN IN THE PLANS OR ESTABLISHED BY THE ENGINEER, THE STORAGE TIME FOR PHMA MIXTURES NOT HAULED THE MANUFACTURE OF PHMA MA Y INCLUDE POROUS WARM IMMEDIATELY TO THE PROJECTSHALL BE NO MORE MIX ASPHALT (PWMA) PROCESSES IN ACCORDANCE WITH 30 THAN FOUR (4) HOURS FOR NO-N-INSVLATED 511,05 OR THESE SPECIFICATtONS. PWMA PROCESSES INCLUDE EIGHT (8) HOURS FOR INSULATED SILOS, PLACEMENT ORGANIC ADDITIVES, CHEMICAL ADDITIVES, AND FOAMING- 3.1 TEMPERATURE SPECIFICATIONS SHALL S77LL BE MET j REGARDLESS OF SILO STORAGE TIME. MINERAL MA TIERIALS AS MAY BE REQUIRED, MIXED IN THE w PROPORTIONS SPECIFIED TO PROVIDEA HOMOGENEOUS, CL STABLE, AND WORKABLE MIXTURE. WORK SHALL ALSO THE TEMPERATURE OF THE MIX AT THE TIME OF DISCHARGE 0 to SUBBASE AND LEVELING COURSE SPECIFIC TO PHMA. TEMPERATURE RANGE IDENTIFIED IN THE APPROVED PHMA, ru 0 (SEE ENGINEER'S NOTE I BELOW) MATEJtIALS F-7 z 6 C) co Co AGGREGATE GRADA77ON: < ca 0. w 0 a z ul) z z z SHA LL BE BETWEEN 6. 0 % A ND 7 0% B Y TO TAL WEIGHT OF cf) o w o U.S. NO. 8 0-20 w US. NO. 40 0-13 0 ZNW TOLERANCE SHALL BE ±0, 5% DURING PRODUCTTON1 -PLACEMENT OF THE PHMA, THE CONTRACTOR SHALL ADJUST THE AGGREGATE SHOULD CONSIST OF CRUSHED STONE THE A GGREGA TE TO MEET THE MAXIMUM DRAIN DO WN TES T z a: FACES ON THE NO. 4 SIEVE AND ABOVE, WHEN TESTED IN w ACCORDANCE WITH THE FIELD OPERATING PROCEDURES ir w cn z 0. 0 * VOLD RATIO SHALL BE 16010 TO 25110 PER ASTM 03203 AT PHMA. NDESIGN 75 GYRATIONS� F - LO THE CONTRACTOR SHALL INCLUDE IN THE SUBMITTAL PROJECT ENGINEER ON WASHINGTON STATE DOT FORM LE TTER FR OM THE POL YMER - MODIFIED ASPHA L T SUPPLIER X THE RECOMMENDED MIXING, DELIVERY, AND COMPAC7TON < NOTES CL cn a_ < c 0 POROUS HOT MZX ASPHALT E-4 112" MIXTURE. 0-4 Q_ cn SECT70N 5-04,1 15 SUPPLEMENTED WITH THE FOLLOWING: WHEN A CONTINUOUS OR DRIER -DRUM TYPE PLANT IS USED, c _0 V) ONE OR MORE LAYERS OF PLANT -MIXED POROUS HOT MIX *5 a- AM cn c rc- f GRADES, THICKNESSES, AND TYPICAL CR0SS'-SECMNS` SUltogE AND SrOJZAGE SYSrEMS < z< :D z CL 0 5" LL_ Ld x U 4 Z Z V) W M Z Z 0 ou uj 0 Z �- < 0 uj z 711 POROUS HOT MIX ASPHALT (PHMA) NOTES SOURCE,'2015 POROUS PAVEMENT UNIFIED SPEC, COMMITTEE,, to PROPOSED FINAL SPECIAL PROVISION POROUS HOT MIX ASPHALT THE FIBERS SHALL BE UNIFORMLY DISTRIBUTED PRIOR TO POROUS HOT MZX ASPHALT THE INJEC77ON OF THE ASPHALT BINDER INTO THE 112" MIXTURE. DESCRXPrION 46-66 SECT70N 5-04,1 15 SUPPLEMENTED WITH THE FOLLOWING: WHEN A CONTINUOUS OR DRIER -DRUM TYPE PLANT IS USED, THIS WORK SHALL CONSIST OF PROVIDING AND PLACING 'THE FIBER SHALL BE ADDED TO THE A GGREGA TE AND ONE OR MORE LAYERS OF PLANT -MIXED POROUS HOT MIX UNIFORMLY DISPERSED PRIOR TO 'rHE INJEC7710N Or ASPHALT (PHMA) ON A PREPAR�ED FOUNDA TION OR BASE IN ASPHALT SINDER, ACCORDANCE WITH THESE SPECIFICATIONS AND THE LINES, f GRADES, THICKNESSES, AND TYPICAL CR0SS'-SECMNS` SUltogE AND SrOJZAGE SYSrEMS SHOWN IN THE PLANS OR ESTABLISHED BY THE ENGINEER, THE STORAGE TIME FOR PHMA MIXTURES NOT HAULED THE MANUFACTURE OF PHMA MA Y INCLUDE POROUS WARM IMMEDIATELY TO THE PROJECTSHALL BE NO MORE MIX ASPHALT (PWMA) PROCESSES IN ACCORDANCE WITH 30 THAN FOUR (4) HOURS FOR NO-N-INSVLATED 511,05 OR THESE SPECIFICATtONS. PWMA PROCESSES INCLUDE EIGHT (8) HOURS FOR INSULATED SILOS, PLACEMENT ORGANIC ADDITIVES, CHEMICAL ADDITIVES, AND FOAMING- 3.1 TEMPERATURE SPECIFICATIONS SHALL S77LL BE MET HMA SHALL BE COMPOSED OF ASPHALT BINDER AND REGARDLESS OF SILO STORAGE TIME. MINERAL MA TIERIALS AS MAY BE REQUIRED, MIXED IN THE C�-S. 100 PROPORTIONS SPECIFIED TO PROVIDEA HOMOGENEOUS, 5-04.3(2) HAULING EQUZPMENT STABLE, AND WORKABLE MIXTURE. WORK SHALL ALSO THE TEMPERATURE OF THE MIX AT THE TIME OF DISCHARGE INCLUDEPREPARA TION A ND PRO TECTION OF SUBGRA DE, FROM THE HAUL VEHICLE SHALL BE WITHIN THE SUBBASE AND LEVELING COURSE SPECIFIC TO PHMA. TEMPERATURE RANGE IDENTIFIED IN THE APPROVED PHMA, F c (SEE ENGINEER'S NOTE I BELOW) MATEJtIALS SEC`7TON .5-04.2 IS SUPPLEMENTED WrTH THE FOLLO WING: 37 5-04.3(7) A MIX DESIGN SECTTON 5-04.3(7)A 15 SUPPLEMENTED WITH THE AGGREGATE GRADA77ON: FOLLOWING rOR POROUS HMA: SIEVE SIZE % PASSING 314 loo THE ASPHAL T BINDER FOR PHMA SHALL BE PG.70-22ER 11204 90-100 POLYMER MODIFIED OR HIGHER GRADE. BINDER CONTENT 318 55-90 SHA LL BE BETWEEN 6. 0 % A ND 7 0% B Y TO TAL WEIGHT OF U,S� NO. 4 10-40 THE MIX, AND WILLBE THE HIGHEST PERCENTAGE THAT' U.S. NO. 8 0-20 PASSES BOTH THE DRAIN DOWN AND VOID REQUIREMENTS US. NO. 40 0-13 TES7S AT NDESIGN = 75 GYRA T70NS. THE BINDER CONTENT U�S- NO. 200 0-5 TOLERANCE SHALL BE ±0, 5% DURING PRODUCTTON1 -PLACEMENT OF THE PHMA, THE CONTRACTOR SHALL ADJUST THE AGGREGATE SHOULD CONSIST OF CRUSHED STONE THE A GGREGA TE TO MEET THE MAXIMUM DRAIN DO WN TES T WITH A PERCENT FRACTURE GREATER THAN 90% ON TWO REQUIREMENTS WITHIN THE RANGES PROVIDED IN' SECTION FACES ON THE NO. 4 SIEVE AND ABOVE, WHEN TESTED IN 9-03.& ACCORDANCE WITH THE FIELD OPERATING PROCEDURES FOR AASHTO T 335. DRAIN DOWN SHALL BE 0.3 a/a, MAXIMUM, ACCORDING TO ASTM D6390-05. RECYCLED ASPHALT PAVEMENT SHALL NOT BE USED IN * VOLD RATIO SHALL BE 16010 TO 25110 PER ASTM 03203 AT PHMA. NDESIGN 75 GYRATIONS� MIX DESIGNS FOR PHMA SHALL BE SUBMITTED TO THE THE CONTRACTOR SHALL INCLUDE IN THE SUBMITTAL PROJECT ENGINEER ON WASHINGTON STATE DOT FORM LE TTER FR OM THE POL YMER - MODIFIED ASPHA L T SUPPLIER 350-042 WITH THE ADDITIONAL PHMA TEST DATA REQUIRED THE RECOMMENDED MIXING, DELIVERY, AND COMPAC7TON 8 Y THIS SPECIFICA TION PR 0 VIDED A S A ONE PA GE TEMPERATURES. THE CONTRACTOR SHALL DETERMINE S UPPL EMEN TA L A TTA CHMEN T AN77-STR[P REQUIREMENTS FOR PHMA AND PROVIDE DA7-A FOR ANTT-STRIPPING. THE ASPHALTIC MIX SHALL BE TESTED THE AN TI -STRIPPING REQUIREMENTS FOR PHMA SHALL BE FOR ITS RESISTANCE TO STRIPPING BY WATER IN EQUIVALENT TO THE ANTI -STRIPPING REQUIREMENT FOR ACCORDANCE WITH ASTM 0-3625. IF THE ESTIMA TED SA ME MAXIMUM NOMINAL AGGREGA TECLASS OF DENSE COATrNG AREA IS Nor ABOVE 95 PERCEN-t. AWrt-STRIPPING GRADED HMA DESIGN FROM THE SAMEAGGREGATE AGENTS SHALL BE ADDED TO THE ASPHALT. CONTRACTOR MATERIALS SOURCE, SHALL BE RESPONSfBLE FOR CONDUC77NG THE ANTI -STRIPPING EVALUAT70N AND PROVIDING A REPORT TO CONSTRUCTION Ts THE ENGINEER, AS SPECIFIED IN 5-04.2 (ABOVE)i SECTION 5-04.3 IS SUPPLEMENTED WITH THE FOLLOWING: ANTI -STRIP EVALUATION OF AN EXISTING DENSE GRADED HMA OF THE SAME MAXIMUM NOMINAL AGGREGATE CLASS 5-04.3(l) HOT MIX ASPHA L T MLXING PLANT CAN BE USED AS THE BASIS FOR AAW-SrRIP DOSAGE THIS SEC77ON IS SUPPLEMENTED WITH THE FOLLOWING: RATES. PLANTS USED FOR PREPARArION OF HMA AND PHMA SHALL CONFORM TO THE FOLLOWING REQUIREMENTS: 5-04.3(#)A ACCEPTANCE SAMPILZNG AND TESTZNG - HMA MIXTU*E FIBER SUPPLY SYS TEM SECTION 5-04.3(8)A IS SUPPLEMENrED WTTH THE WHEN FIBER STABILIZING ADDITIVES ARE USED FOR PHMA FOLLOWING, (IF NEEDED TO ACHIEVE THE DRAIN DOWN SPECIFICATION), A SEPARATE FEED SYSTEM THAT MEETS THE FOLLOWING COMMERCIAL EVALUATION WILL BE THE BASIS FOR WILL BE REQUIRED: ACCEPTANCE OF PHMA. ACCURATELY PROPORTIONS BY WEIGHT THE REQUIRED v QUANTITY INTO THE MIKTURE IN SUCH A MANNER THAT SPJtEADZIVG AND FrNZSHZNG UNIFORM DISTRIBUTION WILL BE OBTAINED. CONSTRUC ION NOT S AND D TAI S HARPER ENGINEERING PARKING LOT ADDITION SW 1/4 SEC110N 18, TWP. 23 N., RGE. 5 E.7 W.M. SECTION 5-043(9) 15; SUPPLEMENTED WITH THE FOLLOWING: ... THE CONTRACTOR WILL DEVELOP A ROLLER PATTEAn THAT WILL INITIALLY CONSOLIDA TE 7-HE.PA VEMENT STRUCTURE AS WELL AS TARGET 15% TO 18% FINAL AIR VOIDS (82% 7-0 85010 OF MAXIMUM THEORFTICAL (RICE) DENSITY). -rHE CONTRACTOR SHALL MONITOR COMPACTION DURING PLACEMENT OF PHMA WITH A PAVEMENT DENSITY GAGE. (SEE ENGINEER'S NOTE 3. BELOW) 5-04.3(21) POROUS ASPHALT (PHMA) ACCEPTA:NCE INFILTRArION TEST SECTION 5-04.3(10)A IS ADDED, CONTRACTOR SHALL CONDUCT INFILTRATION TESTS ON THE FINISHED PHMA PER ASTM Cl 701 A r LOCATIONS CHOSEN BY THE ENGINEER, NEWLY -PLACED PHMA SHOULD BE ABLE TO A CCOMMODA TE A MINIMUM INFIL TRA TION RArE OF 10 0 INCHESIHOUR. IT IS ANTICIPATED THAT INFILTRA77ON TESTS BE COMPLETED EVER Y 150 LINEAR FEET OF ROA D WA Y AND CONDUCTEDIN ACCORDANCE WITH ASTM C1.701. a m MEASUREMENr SECTTON 5-04A IS SUPPLEMENTED WITH THE FOLLOWING: PHMA PG 70-22 ER (OR HIGHER) SHALL BE MEASURED BY THE TON IN ACCORDANCE WITH SECTION 1-09,2, WITH NO DEDUCTION BEING MADE FOR THE WEIGHT OF ASPHALT BINDER, BLENDING SAND, MINERAL FILLER, OR ANY OTHER COMPONENT OF THE HMA. IF THE CONTRACTOR ELECTS TO REMOVE AND REPLACE MIX AS ALLOWED IN SECTION 5- 04.3 (11), THE MA TERIAL REMO VED WILL NO T BE MEASURED. z V) 0 0 z z Lo u1i uj 00 0 >_ >_ x Ix > CALL 2 WORKING DAYS w ui F%"Ofnl-. 11 %0jU DIG: CN 0 z ------------ lw ..... ... .... . A"' 7VM3 OMM.NWHALT) ENGINEER'S NOTES. 1. A TYPICAL TEMPERATURE RANGE WOULD BE 250-275OF FOR WARM MIX ASPHALT (WMA) OR 275-300a F FOR HOT MIX ASPHALT (HMA)� 2, TYPICAL TEMPERATURE RANGE WOULD BE 225-250"F FOR PWMA AND 250-2 75OF FOR PHMA. 3. PRIOR SUCCESSFUL PROJECTS HAVE INCORPORATED TWO INITIAL LOW AMPLITUDE VIBRATORY ROLLER PASSES TO SEA T AND ORIEN T THE PHMA AG43REGA TE MA TRIX FOLLOWED BY STATIC ROLLING TO CREATE A FINAL SURFACE WITHOUT ROLLER MARKS. 4. THE USE OF WARM MIXASPHALT TECHNOLOGY 15 ENCOURA GED AS IT MINIMIZES ISSUES R ELATED TO ASPHALT DRAIN DOWN DURING PRODUC770N, HAULING AND TESTING OF THE PHMA, AGGREGATE DISCHARGE SUBBASE P&IMEABLE BALLAST NOIrES SECTIONS 9-03.9(2) AND 9-03.9(3) BALLAST SHALL CONSIST OF CRUSHED, PARTIALLY CRUSHED, OR NATURALLY OCCURRING GRANULAR MATERIAL FROM APPROVED SOURCES MANUFACTURED IN ACCORDANCE WITH THE PROVtSIONS OF SECTION 3-01. THE MATERIAL FROM WHICH BALLAST IS TO BE MANUFACTURED SHALL MEET THE FOLLOWING TEST REQUIREMENTS: LOS ANGELES WEAR, 500 REV lam -d& PERCENT MAX. DEGRADATION FACTOR -30 zs MIN, 41(ov V -01D 0_-AT(0*4 rv*q78;_1 BALLASTSHALL MEET THE FOLLOWING REQUIREMENTS FOR GRADING AND QUALITY WHEN PLACED IN HAULING VEHICLES FOR DELIVERY TO THE ROADWAY OR DURING MANUFACTURE AND PLAcEmENr INTO A TEMPORARY STOCKPILE. THE EXACT' POINT Or ACCEPTANCE WILL BE 'NED BY THE ENGINEER. DETERMI THE PORTION OF BALLAST RETAINED ON NO, 4 SIEVE SHALL T CONTAIN MORE THAN 0,2 PERCENT NO WOOD WASTE. PRIOR TO PLACING THE ADS, TOPSOIL AND SILTY SOILS SHOULD BE REMOVED UNTIL THE SUBGRADE SHOWS SUITABLE SOILS FOR INFILTRATION, SIMILAR TO THOSE FOUND DURING TEST PIT EXPL ORATIONS. ADS SHOULD BE PLACED IMMEDIATELY AFTER APPROVAL OF SU8GRAjDE PREPARAT70N. CLEAN ADS SHOULD BE PLACED IN 8 INCH LIFTS (MAX.). EACH LAYER SHOULD BE COMPACTED TO A DENSE CONDITION WITH A 10 TON VIBRATORY ROLLER MAKE TWO PASSES WITH THE ROLLER IN VIBRATORY MODE AND TWO PASSES IN STA 77C MODE UNTIL THERE IS NO VISIBLE MOVEMENT' OF THE AGGREGATE. MOIST AGGREGATE WILL COMPACT MORE THOROUGHLY THAN DRY AGGREGATE. AGGREGATE BASE COURSE SHALL BE CONSTRUCTED IN ACCORDANCE WITH WSDO T STANDARD SPECIF[CA TIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION. (HMA - SECT -ION 5-04, AGGREGATE FOR HMA - 9-03.8) (SEE GEOTECHrNCAL NOTE FOR FURTHER RECOMMENDAT7ONS) UK (Typ.) _j 0 3 SAM (Typ-) SPAC040FAMOHORSAM 01W I V 4. 4, AM$$ iowm A"y K FORUM OUING lmr^AAT" Usm A WO OWWR OR SAWWAFTER 000MM CURES ro W04awm STRWOM, 1 114' 99-100 m 1 80-100 to 314 99-100 -So 112" 80-100 NO� 4 5-45 46-66 NO.40 3-18 8-24 NO. 200 Z 5 MAX� 10. 0 MAX. % FR E 75 MIN, MIN, SA EQUIVALENT 40 MIN� 40 4r f TO THE COMBINEO Q_ u M U CL u Q_ u RET Wks ... ........ -4049 ........ INCH too 1 1 C�-S. 100 yz 6a Li F c LAJ z < W Li > 0 [? m #SOW U TYPE 4 u u a- -- ------ ----- ------ ------------- --- .......... 0) v L0 F T T z V) 0 0 z z Lo u1i uj 00 0 >_ >_ x Ix > CALL 2 WORKING DAYS w ui F%"Ofnl-. 11 %0jU DIG: CN 0 z ------------ lw ..... ... .... . A"' 7VM3 OMM.NWHALT) ENGINEER'S NOTES. 1. A TYPICAL TEMPERATURE RANGE WOULD BE 250-275OF FOR WARM MIX ASPHALT (WMA) OR 275-300a F FOR HOT MIX ASPHALT (HMA)� 2, TYPICAL TEMPERATURE RANGE WOULD BE 225-250"F FOR PWMA AND 250-2 75OF FOR PHMA. 3. PRIOR SUCCESSFUL PROJECTS HAVE INCORPORATED TWO INITIAL LOW AMPLITUDE VIBRATORY ROLLER PASSES TO SEA T AND ORIEN T THE PHMA AG43REGA TE MA TRIX FOLLOWED BY STATIC ROLLING TO CREATE A FINAL SURFACE WITHOUT ROLLER MARKS. 4. THE USE OF WARM MIXASPHALT TECHNOLOGY 15 ENCOURA GED AS IT MINIMIZES ISSUES R ELATED TO ASPHALT DRAIN DOWN DURING PRODUC770N, HAULING AND TESTING OF THE PHMA, AGGREGATE DISCHARGE SUBBASE P&IMEABLE BALLAST NOIrES SECTIONS 9-03.9(2) AND 9-03.9(3) BALLAST SHALL CONSIST OF CRUSHED, PARTIALLY CRUSHED, OR NATURALLY OCCURRING GRANULAR MATERIAL FROM APPROVED SOURCES MANUFACTURED IN ACCORDANCE WITH THE PROVtSIONS OF SECTION 3-01. THE MATERIAL FROM WHICH BALLAST IS TO BE MANUFACTURED SHALL MEET THE FOLLOWING TEST REQUIREMENTS: LOS ANGELES WEAR, 500 REV lam -d& PERCENT MAX. DEGRADATION FACTOR -30 zs MIN, 41(ov V -01D 0_-AT(0*4 rv*q78;_1 BALLASTSHALL MEET THE FOLLOWING REQUIREMENTS FOR GRADING AND QUALITY WHEN PLACED IN HAULING VEHICLES FOR DELIVERY TO THE ROADWAY OR DURING MANUFACTURE AND PLAcEmENr INTO A TEMPORARY STOCKPILE. THE EXACT' POINT Or ACCEPTANCE WILL BE 'NED BY THE ENGINEER. DETERMI THE PORTION OF BALLAST RETAINED ON NO, 4 SIEVE SHALL T CONTAIN MORE THAN 0,2 PERCENT NO WOOD WASTE. PRIOR TO PLACING THE ADS, TOPSOIL AND SILTY SOILS SHOULD BE REMOVED UNTIL THE SUBGRADE SHOWS SUITABLE SOILS FOR INFILTRATION, SIMILAR TO THOSE FOUND DURING TEST PIT EXPL ORATIONS. ADS SHOULD BE PLACED IMMEDIATELY AFTER APPROVAL OF SU8GRAjDE PREPARAT70N. CLEAN ADS SHOULD BE PLACED IN 8 INCH LIFTS (MAX.). EACH LAYER SHOULD BE COMPACTED TO A DENSE CONDITION WITH A 10 TON VIBRATORY ROLLER MAKE TWO PASSES WITH THE ROLLER IN VIBRATORY MODE AND TWO PASSES IN STA 77C MODE UNTIL THERE IS NO VISIBLE MOVEMENT' OF THE AGGREGATE. MOIST AGGREGATE WILL COMPACT MORE THOROUGHLY THAN DRY AGGREGATE. AGGREGATE BASE COURSE SHALL BE CONSTRUCTED IN ACCORDANCE WITH WSDO T STANDARD SPECIF[CA TIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION. (HMA - SECT -ION 5-04, AGGREGATE FOR HMA - 9-03.8) (SEE GEOTECHrNCAL NOTE FOR FURTHER RECOMMENDAT7ONS) UK (Typ.) _j 0 3 SAM (Typ-) SPAC040FAMOHORSAM 01W I V 4. 4, AM$$ iowm A"y K FORUM OUING lmr^AAT" Usm A WO OWWR OR SAWWAFTER 000MM CURES ro W04awm STRWOM, 1 114' 99-100 m 1 80-100 to 314 99-100 -So 112" 80-100 NO� 4 5-45 46-66 NO.40 3-18 8-24 NO. 200 Z 5 MAX� 10. 0 MAX. % FR E 75 MIN, MIN, SA EQUIVALENT 40 MIN� 40 THE FRACTURE REQUIREMENT SHALL BE AT LEAST ONE FRACTURED FACE AND WILL APPLY TO THE COMBINEO AGGREGATE RETAINED ON THE NO. 4 SIEVE IN ACCORDANCE WtTH FOP FOR AASHTO T335. 190RIFIAEYVAT46 RET Wks T -4049 ........ INCH too 1 1 C�-S. 100 yz 6a F c 0 NOTE: PROVIDE IMPERVIOUS CHECK DAM (CLAY) PERPENDICULAR TO THE SLOPE OF THE ASPHALT ABOVE, WITHIN THE DRAINAGE MATERIAL BELOW THE ASPHALT. THIS IS TO PREVENT WATER FROM FLOWING LATERALLY WITHIN THE DRAIN ROCK. DRAIN ROCK CELLS SHALL BE BASED ON THE SLOPE OF THE PAVEMENT FINISHED SURFACE. NON -WOVEN GEOTEXTILE FAB RIC MIRAFI 160N OR APPROVED EQUAL 1' WIDE CLAY CHECK DAM LOCATION AS SHOWN ON SHEET C3. WRAP WITH FILTER FABRIC. FIRM AND UNYIELDING SUBGRADE (NO COMPACTION) ASPHALT PAVEMENT CURB BREAK DETAIL NOT TO SCALE !P-ipkA I L W A S. c-.' kp p 38375' /0 AL DEVELOPER HARPER ENGINEERING 700 SW 7TH STREET RENTON, WA 98057 ENCINEE R; BARGHAUSEN CONSULTING ENGINEERS 18215 72ND AVENUE SOUTH KENT, WA 98032 (425)251-6222 (425)251-8782 FAX CONTACT: DAN BALMELLI 2" CHOKER COURSE (SEE NOTES) N� \N: "X\ > X 4" POROUS CL- 1/2" HMA WITH KEVLAR FIBERS (PG 70-22 POLYMER MODIFIED) A MINIMUM OF 16" OF FREE DRAINING -Y4"-2" WASHED FRACTURED ROCK TYPICAL PERVIOUS PAVEMENT SECTION NOT TO SCALE CITY OF RENTON r_*=PAF=l-rME=-N-r C --)F= PUBI IC,-- WCDF=lKS CONSTRUr*mnON NOTES AND DETAILS HARPER ENGINEERING PARKING LOT ADDITION DESK)NED C P DATE 08/14/20 NO. 14 FK_E DRAVM DSC QKB PELD B" PAGE CHECXED scALjE N/A APPMVED x C) 0 Lo E Ch Ln 00 Ln QD U) 0- c Q) cy) C Ln 00 CD C) C� zi 0 71 z c > CD cn z m T_ 0 �7 -0 m z z m C.0 > C3 m z G z c m m > 0 m z to m m �n 0 (D ,I > = > u > CD cn z m T_ 0 �7 -0 m z z m C.0 > C3 m z G z c m m > 0 to 017, M m m m 0 (D ,I > = (o u r cn to 0 (o u r cn