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Home My WebLink AboutD-275022U ® � STORM DRAINAGE TRENCH NOTES �I g o 3. TRENCH SUPPORT SYSTEM SHALL BE USED WHERE SUBGRADE SEE DRAWING BY THE CONTRACTOR TO SUIT HIS CONSTRUCTION ®tom of 1 A � OPERATIONS. TRAFFIC FLOW AND PROTECTION OF ° w aM F m 3 ADJACENT PROPERTY ARE THE CONTRACTOR'S 4. TRENCH SUBGRADE SHALL BE APPROVED BY OWNER'S �q� i°i'1 m a RESPONSIBILITY. U Y W p o i a� <O 2. THE HEIGHT AND THE SUPPORT OF THE VERTICAL 3 PER SPECIFICATION SECTION SHALL BE DETERMINED BY THE CONTRACTOR J 02225 AS REQUIRED FOR THE PROTECTION OF ADJACENT o a� 3 f CRUSHED SURFACING BASE COURSE IS REQUIRED. LLJ O ~ z LLJ h dmo Li LL ) OVERLAP. COVER UPPER LAYER BASE COURSE �_, c� W �— y °> wz < 1- I _" tY Q Z - TRENCH SUBGRADE Q g Z 0 13 27 0 zw CD N O 0 1C4D)32 iCkD 37 ®U LZwu z L� OO v) L 01, III > � VA 0 U ® � STORM DRAINAGE TRENCH NOTES yrr g 1. THE TRENCH WIDTH AT THE TOP SHALL BE DETERMINED 3. TRENCH SUPPORT SYSTEM SHALL BE USED WHERE SUBGRADE SEE DRAWING BY THE CONTRACTOR TO SUIT HIS CONSTRUCTION ®tom of 1 A � OPERATIONS. TRAFFIC FLOW AND PROTECTION OF ° w aM F m 3 ADJACENT PROPERTY ARE THE CONTRACTOR'S 4. TRENCH SUBGRADE SHALL BE APPROVED BY OWNER'S �q� i°i'1 m a RESPONSIBILITY. v E 'E E �E p o i a� BACKFILL MATERIAL gY CONTRACTOR 2. THE HEIGHT AND THE SUPPORT OF THE VERTICAL 3 PER SPECIFICATION SECTION SHALL BE DETERMINED BY THE CONTRACTOR as o 02225 AS REQUIRED FOR THE PROTECTION OF ADJACENT o a� PROPERTIES AND IMPROVEMENTS. CRUSHED SURFACING BASE COURSE IS REQUIRED. V) oz 12" CRUSHED SURFACING i ) OVERLAP. COVER UPPER LAYER BASE COURSE �_, /:' OF FABRIC WITH 6" MIN GRAVEL LL a a 3 m y - -� -- BACKFILL FOR DRAINS. x 7, a IL I I I N Q o I °f 0 0 0 00 U 0 0 0 IN i 0 0 G w_ d' - CO �_ ��r� Q y %vv STORM DRAINAGE TRENCH NOTES yrr SUBGRADE ELEVATION. FOR MATERIALS OVER 1. THE TRENCH WIDTH AT THE TOP SHALL BE DETERMINED 3. TRENCH SUPPORT SYSTEM SHALL BE USED WHERE SUBGRADE SEE DRAWING BY THE CONTRACTOR TO SUIT HIS CONSTRUCTION REQUIRED BY W.I.S.H.A. PER CHAPTER 296 -155 WAC. i C(G)800. OPERATIONS. TRAFFIC FLOW AND PROTECTION OF rrrrrr �� ADJACENT PROPERTY ARE THE CONTRACTOR'S 4. TRENCH SUBGRADE SHALL BE APPROVED BY OWNER'S %.� RESPONSIBILITY. REPRESENTATIVE PRIOR TO PLACING FILL MATERIALS. - ACTUAL SIDE SLOPE UNAPPROVED SUBGRADES SHALL BE CORRECTED IN BACKFILL MATERIAL gY CONTRACTOR 2. THE HEIGHT AND THE SUPPORT OF THE VERTICAL ACCORDANCE WITH SPECIFICATION 02225. PER SPECIFICATION SECTION SHALL BE DETERMINED BY THE CONTRACTOR 02225 AS REQUIRED FOR THE PROTECTION OF ADJACENT 5. OWNER'S REPESENTATIVE SHALL DETERMINE IF 12" FLEXIBLE PIPE PROPERTIES AND IMPROVEMENTS. CRUSHED SURFACING BASE COURSE IS REQUIRED. TOP OF PIPE AND FABRIC-----'., 6" w_ d' - CO �_ ��r� Q y %vv rrrrrrr rrrrrrrrrrr rrrrrrrrrrrrrrrr r yrr rrrrrr �� rrrrrr rrrrrrr -BEDDING MATERIAL r r r r r r 4Z7 r r r r r r 4" MIN �� rrrrrr Q� 2 rrrrrr �� rrrrrr) QS rrrr %.� rrrrrrrrrrr rrrrrrr UNDISTURBED SUBGRADE- 6" MIN 6" MIN TRENCH MAX WIDTH 36" (WHEN D< =151 OR__ 1.5D +18" (WHEN D =?18 ") WARNING TAPE 2" MIN 2' MIN FABRIC OVERLAP -BEDDING MATERIAL FINISH ED GR ADE z FOR RIGID PIPE OR III - III- III_II -IIh II TRAIL MAINT BEDDING MATERIAL IIIIIII1111 1111111111111111 iC(D 27 iC(D)800 FOR THERMOPLASTIC ACCESS PIPE PERFORATED STORM DRAIN, -WORK BEDDING UNDER SIZE, AND IE PER PLAN. PIPE HAUNCHES FOR PROVIDE AT LEAST 6" GRAVEL _ - PLACE GEOTEXTILE FABRIC PER FLEXIBLE PIPE BACKFILL FOR DRAINS OVER ` 02722 AND COVER WITH GRAVEL BACKFILL FOR TOP OF PIPE AND FABRIC-----'., o DRAINS. WRAP FABRIC W I.. OVER TOP OF PIPE WITH 2' MIN < 12" CRUSHED SURFACING i ) OVERLAP. COVER UPPER LAYER BASE COURSE �_, /:' OF FABRIC WITH 6" MIN GRAVEL SEE TRENCH NOTE 5 - -� -- BACKFILL FOR DRAINS. SECTION PERFORATED DRAIN TRENCH SCALE: NONE ALONG TRAIL /MAINT ACCESS 1C(D)800 e221 - TRENCH SUBGRADE iC D 23 SEE TRENCH NOTE 4 0 13 27 1C(D)28 0 1C4D)32 iCkD 37 SECTION STORM DRAINAGE_ TRENCH A SCALE: NONE TYPI 1 C(D)800 MATCH EXISTING GRADE AT LIMITS OF CLEAR AND LIMIT OF 12" DEPTH CLEAR AND GRUB GRUB AREA PER DEMOLITION PLAN FINISHED GROUND LINE 3' MIN FILL WITH S1, UNLESS FABRIC OTHERWISE NOTED ON z OVERLAP o GRADING PLANS - �Im v O 711 =llril ,,,, g r w X TI -l1EdI ;;;;;;; a ° a „� ;;:;,' 1 -III o ,I 1111 III =1 -I I� III -III% 1111111 w - III�IL� n ,,,,,,,,,,,,, ,,,,,,,, - HIaI�III III =11L . ;; % III III III "' II III III -III ilf =� EXISTING II-III III III II7 III �1 III III =i'- n 1=111 =I I I 11 11 III =11 ITI ITI T -' GROUND III III_llml1 LINE I, III III III III = _ 1 I11 I11-I I=I -11 PERFORATED STORM DRAIN, SIZE, AND IE PER PLAN. PROVIDE AT LEAST OF 6" GRAVEL BACKFILL FOR DRAINS OVER TOP OF PIPE AND FABRIC. NOTE: PLACE ADDITIONAL GRAVEL BACKFILL FOR DRAINS AS AS REQUIRED TO LIMIT THIS DIMENSION TO 3 FEET. FOLLOWING 12" CLEAR AND GRUB, PLACE GEOTEXTILE FABRIC (PER 02722) AND COVER WITH GRAVEL BACKFILL FOR DRAINS. WRAP FABRIC OVER TOP OF PIPE WITH 3' MIN OVERLAP. COVER UPPER LAYER OF FABRIC WITH 6" MIN GRAVEL BACKFILL FOR DRAINS. SECTION PERFORATED DRAIN TRENCH SCALE: NONE iC(D 22 iC(D)800 iC(D)23 iC(D)37 1C(D)27 1C(D)38 iC(D)28 iC(D)39 1 C(D)30 iC(D)40 1C(0)32 iC(D)44 1C(D)34 iC(D)45 a'WP9 . =ate sR:•® 1C(D)35 EXTEND INTO o UNDISTURBED v SOIL (TYP) ^ z LOCATION a PER PLAN v / - 24" SD (TYP) FINISHED GRADE LIMITS OF UNDISTURBED NATIVE MATERIAL CDF TRENCH \�I DAM TRENCH BACKFILL PER 02225 AS REQUIRED ELEV 12.0 24 "SD (TYP) I 0 0 0 a 1' MIN ---------- - - - - -- (TYP) 1 SECTION TRENCH DAM D SCALE: NONE iC(D)800 1C(D)800 3]� RQLL159 1C(D)800 C8100177.DWG GENERAL STORM DRAINAGE NOTES: 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE- CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION, PLAN REVIEW PROJECT MANAGER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE "1 098" EDITION OF THE "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., AND THE AMERICAN PUBLIC WORKS ASSOCIATION (AP'NA), AS AMENDED BY THE CITY OF RENTON. 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE WITH THE CITY OF RENTON. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. �. CONSTRUCTION NOISE SHALL BE LIMITED AS PER KING COUNTY CODE (SECTION 12.88); FOR THIS PROJECT THIS IS 6 A.M. TO 11 P.M. WEEKDAYS AND 6 A.M. TO 11 P.M. ON WEEKENDS. 6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACTOR. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT .NORMAL TRAFFIC FLOW SHALL REQUIRE AT LEAST ONE FLAGGER FOR EACH LANE OF TRAFFIC AFFECTED. ALL SECTIONS OF THE 1998 WSDOT STANDARD SPECIFICATIONS 1-07.23, SHALL APPLY. 7. FOR DATUM INFORMATION, REFER TO DRAWING G4. 8. ALL SEDIMENTATION /EROSION CONTROL FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND GRADING, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 9. ALL RETENTION / DETENTiON FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEVELOPMENT SERVICES DIVISION. 10. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 85% FOR LANDSCAPED AREAS AND 95% FOR PAVEMENT AND STRUCTURAL FILL AREAS PER ASTM D- 1557 -70. WHERE A PIPE CLEARS AN EXISTING OR NEW UTILITY BY 6" OR LESS, BLOCKING SHALL BE PLACED AS CUSHION BETWEEN UTILITIES. 11. GALVANIZED STEEL. PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 12. THE FOLLOWING APPURTENANCE DESIGNATIONS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE APPROPRIATE CITY OF RENTON STANDARD PLAN: CB ;YPE 1 - STD PLAN 6012, CB TYPE 2 - STD PLANS B027 AND B027.1 (MODIFIED AS INDICATED ON DRAWING 1C(D)801, MH TYPE 3 - STD PLAN B028. 13. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFTEY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTON WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE TRANSPORTATION DIVISION. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATIONS 1 -10.2, TRAFFIC CONTROL MANAGEMENT, SHALL APPLY. 15. ALL CATCH BASINS SHALL HAVE LOCKING GRATES, AND ALL DRAINAGE MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION /DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS. 16. IDENTIFYING COORDINATES SHALL BE THE CENTER OF THE GRATE FOR CATCH BASINS AND CENTER OF STRUCTURE FOR MANHOLES, rCONSTRUCTiON SET, IRECOMMENDED BY r ® FOR APPROVAL BY a DAT - sr®®®i - ®� ® ® ® ®® —i rte C 0 i 0 - 27S-0 22 ------- - - - --- -CDF 2' MIN TRENCH DAM LIMITS OF CENTERED IN TRENCH I PIPE SECTION ®I DETAIL TRENCH DAM SCALE: NONE iC(D 27 iC(D)800 FINISHED GRADE LIMITS OF UNDISTURBED NATIVE MATERIAL CDF TRENCH \�I DAM TRENCH BACKFILL PER 02225 AS REQUIRED ELEV 12.0 24 "SD (TYP) I 0 0 0 a 1' MIN ---------- - - - - -- (TYP) 1 SECTION TRENCH DAM D SCALE: NONE iC(D)800 1C(D)800 3]� RQLL159 1C(D)800 C8100177.DWG GENERAL STORM DRAINAGE NOTES: 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE- CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION, PLAN REVIEW PROJECT MANAGER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE "1 098" EDITION OF THE "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., AND THE AMERICAN PUBLIC WORKS ASSOCIATION (AP'NA), AS AMENDED BY THE CITY OF RENTON. 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE WITH THE CITY OF RENTON. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. �. CONSTRUCTION NOISE SHALL BE LIMITED AS PER KING COUNTY CODE (SECTION 12.88); FOR THIS PROJECT THIS IS 6 A.M. TO 11 P.M. WEEKDAYS AND 6 A.M. TO 11 P.M. ON WEEKENDS. 6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACTOR. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT .NORMAL TRAFFIC FLOW SHALL REQUIRE AT LEAST ONE FLAGGER FOR EACH LANE OF TRAFFIC AFFECTED. ALL SECTIONS OF THE 1998 WSDOT STANDARD SPECIFICATIONS 1-07.23, SHALL APPLY. 7. FOR DATUM INFORMATION, REFER TO DRAWING G4. 8. ALL SEDIMENTATION /EROSION CONTROL FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND GRADING, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 9. ALL RETENTION / DETENTiON FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEVELOPMENT SERVICES DIVISION. 10. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 85% FOR LANDSCAPED AREAS AND 95% FOR PAVEMENT AND STRUCTURAL FILL AREAS PER ASTM D- 1557 -70. WHERE A PIPE CLEARS AN EXISTING OR NEW UTILITY BY 6" OR LESS, BLOCKING SHALL BE PLACED AS CUSHION BETWEEN UTILITIES. 11. GALVANIZED STEEL. PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 12. THE FOLLOWING APPURTENANCE DESIGNATIONS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE APPROPRIATE CITY OF RENTON STANDARD PLAN: CB ;YPE 1 - STD PLAN 6012, CB TYPE 2 - STD PLANS B027 AND B027.1 (MODIFIED AS INDICATED ON DRAWING 1C(D)801, MH TYPE 3 - STD PLAN B028. 13. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE CONTINUING LEGAL OBLIGATION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFTEY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE PUBLIC, AND TO PROTECT PROPERTY IN CONNECTON WITH THE PERFORMANCE OF WORK COVERED BY THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT -OF -WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE TRANSPORTATION DIVISION. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATIONS 1 -10.2, TRAFFIC CONTROL MANAGEMENT, SHALL APPLY. 15. ALL CATCH BASINS SHALL HAVE LOCKING GRATES, AND ALL DRAINAGE MANHOLES SHALL HAVE SOLID LOCKING LIDS. ALL DRAINAGE STRUCTURES ASSOCIATED WITH A PERMANENT RETENTION /DETENTION FACILITY SHALL HAVE SOLID LOCKING LIDS. 16. IDENTIFYING COORDINATES SHALL BE THE CENTER OF THE GRATE FOR CATCH BASINS AND CENTER OF STRUCTURE FOR MANHOLES, rCONSTRUCTiON SET, IRECOMMENDED BY r ® FOR APPROVAL BY a DAT - sr®®®i - ®� ® ® ® ®® —i rte C 0 i 0 - 27S-0 22