The URL can be used to link to this page

Home My WebLink AboutD-292282� O � IIQ Ln a ° PLANS OR NOTED IN THE STANDARD SPECIFICATIONS. OZ 2. HANDHOLDS IN ADJUSTMENT SECTION SHALL 4AVE 3' MIN_ CLEARANCE F Q 20" X 24" OR J Z N 24" DIAM. O Z w PLACED IN ALTERNATING GRADE RINGS OR LEVELING BRICK COURSE (n 0 1- WITH A MIN. OF ONE HANDHOLD BETWEEN THE LAST STEP AND TOP W Q W L LJ ',OR 72' �UU XZ Z i LLI ALL PRECAST CONCRETE SHALL BE CLASS 4000_ Z0 < -0-) �OZafc\I 4. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS OR �Ur) ! 54" DIAM.- 8" 0QO�N MIN. UNUSED KNOCKOUTS NEED NOT BE GROUTED IF Z - Y � O O (D CIL FACTORY KNOCKOUTS UNLESS OTHERWISE APPROVED BY THE wv�(/w ) ENGINEER. ' W 00 �F-(D DN1M. PLUS CATCH BASIN WALL THICKNESS. MAX. HOLE �Z0' SIZE SHALL BE 36" FOR 48' CATCH BASIN, 42° FOR 54' C_B_, �w 48' FOR 60" C.B., 60' FOR 72° C.B., MIN_ DISTANCE a 12" FOR 72" C.B. I,I 0 �z z Y u° mE! o� a o z �i o -m E-I �' I+ �w W ao N \r �E a �m T ` C om a� Y °a ��e n ! °§ W �g� " of a - Q _ w o E 0 Z 0 w 0 vl i Swp -d,_ 2yt? 3" MIN ASPHALT TREATED BASE 3" MIN COMPACTED CRUSHED SURFACING BASE COURSE NATIVE BACKFILL MATERIAL STORMWATER PIPE PIPE ZONE MATERIAL PER SECTION 9 -03.16 BEDDING MATERIAL FOR THERMOPLASTIC PIPE I � TRENCH WIDTH BOTTOM L_____ J NOTES: 1. PROVIDE UNIFORM SUPPORT UNDER BARREL. 2. HAND TAMP UNDER HAUNCHES. 3. COMPACT PIPE ZONE MATERIAL TO 90% MINIMUM DENSITY EXCEPT DIRECTLY OVER PIPE WHERE COMPACTION WILL BE HAND TAMP ONLY. 4. PIPE MUST BE ANCHORED IN SUCH A MANNER AS TO ENSURE FLOW LINE IS MAINTAINED - 5. ALL EXCAVATION AND BEDDING AND BACKFILL MATERIALS BEYOND PAY LIMIT OF TRENCH SHALL BE INCLUDED WITHIN THE TRENCH EXCAVATION SAFETY SYSTEMS BID ITEM. 6. CONTRACTOR SHALL PROTECT EXISTING 12" WATER 7. A TRENCH SAFETY PLAN, DESIGNED AND STAMPED BY A LICENSED PROFESSIONAL ENGINEER BY THE STATE OF WASHINGTON, SHALL BE SUBMITTED TO KING COUNTY FOR REVIEW AND APPROVAL BY THE CITY OF RENTON. 48"- CPEP STORM PIPES TYPICAL TRENCH BEDDING AND BACKFILL NOT TO SCALE TOP SLAB-, _ FRAME & GRATE OR 6" CASTING NOTES: RING & COVER IF DESIRED HANDHOLDS` 1. CATCH BASINS SHALL BE CONSTRUCTED IN ACCORDANCE WITH ASTM C478 (AASHTO M199) AND ASTM C890 UNLESS OTHERWISE SHOWN ON PLANS OR NOTED IN THE STANDARD SPECIFICATIONS. 2. HANDHOLDS IN ADJUSTMENT SECTION SHALL 4AVE 3' MIN_ CLEARANCE ADJUSTMENT SECTION: LEVELING 20" X 24" OR J ti 24" DIAM. OR GRADE RINGS. PLACED IN ALTERNATING GRADE RINGS OR LEVELING BRICK COURSE WITH A MIN. OF ONE HANDHOLD BETWEEN THE LAST STEP AND TOP ',OR 72' 3. ALL REINFORCED CAST-IN-PLACE CONCRETE SHALL BE CLASS 4000_ ALL PRECAST CONCRETE SHALL BE CLASS 4000_ 48" DIAM.- 6" 4. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS OR 54" DIAM.- 8" - MIN. UNUSED KNOCKOUTS NEED NOT BE GROUTED IF 60" DIAM.- 8 72" DIAM. - 8 "� - Y WITH INLET SO STEPS WILL 000000000 -' g "* 0000000000 MIN - SEPARATE CAST IN PLACE *FOR SEPARATE BASE OR SEPARATE CAST -IN -PLACE PRECAST BASE. ONLY -REINFORCING STEEL (FOR SEPARATE BASES ONLY) 0.23 SQ. IN. /FT. IN EACH DIRECTION FOR 48" DIAN 0.19 SQ. IN. /FT. IN EACH DIRECTION FOR 54° DIAN 0.25 SO. IN. /FT. IN EACH DIRECTION FOR 60° DIAN P.35 SQ- IN. /FT. IN EACH DIRECTION FOR 72° DIAN /- "0" RING 1' -0° FOR 48 ", 2' -0° FOR 72" DIAM. CONTRACTOR SHALL INSTALL SURETRACK'CUMBING AND FALL RESTRAINT SYSTEM IN CATCH BASIN. GRAVEL BACKFILL FOR FOUNDATIONS 6° MIN. COMPACTED DEPTH FOR PRECAST BASE ONLY. -REINFORCING STEEL (FOR PRECAST BASE & INTEGRAL RISER ONLY) 0.15 SQ. IN_ /FT_ IN EACH DIRECTION FOR 48° DIAM_ 0.19 SQ. IN. /FT_ IN EACH DIRECTION FOR 54' DIAM_ 0.25 SQ. IN_ /FT. IN EACH DIRECTION FOR 60" DIAM_ 0.24 SQ. IN. /FT. IN EACH DIRECTION FOR 72° DIAM. PRECAST BASE JOINT CATCH BASIN TYPE 2 48 ", 54 ", 60 ", & 72" NOT TO SCALE CITY OF RENTON STANDARD DETAIL #B027.1 D-291?O? Special Provisions: Except as noted below, the plans and specifications for the project shall follow the 1996 WSDOT /APWA standard specifications Pipe bedding shall be Bedding Material for Thermoplastic Pipe per Standard Specifications 9 -03.16 (as specified in the technical specifications). Bedding Material shall be placed from a minimum of 6 inches below the pipe to 12 inches above the top of the pipe, compacted to 95 percent maximum density per ASTM D1557. The contractor shall ensure proper placement and compaction of pipe bedding under the pipe haunches. CPEP storm pipe shall meet the specifications detailed in Standard Specifications 9 -05.19 and 9 -05.20 (as specified in the technical specifications). Section 9 -05.19 shall be amended to include the following: Corrugated polyethylene storm pipe shall meet the requirements of AASHTO M 294 Type S or D for 48 -inch diameter pipe. Catch Basin Type II - 72 -inch Dia. Shall be per City of Renton Standard Detail B027.1. Roadway restoration including crushed surfacing base course and top course shall meet the material and installation requirements outlined in Volume 2, Technical Specifications of contract number C1311C. Trench Excavation Safety Systems shall comply with WAC 296 -155 Part N, Standard Specifications Section 2- 09.3(3) (as specified in the technical specifications) and all other applicable State and Federal regulations. Nil �7 d I. C 7� t� • _' i = = ° SCANNcF) SFP , 9 ?nm 5.1 0 1. CATCH BASINS SHALL BE CONSTRUCTED IN ACCORDANCE WITH ASTM C478 (AASHTO M199) AND ASTM C890 UNLESS OTHERWISE SHOWN ON PLANS OR NOTED IN THE STANDARD SPECIFICATIONS. 2. HANDHOLDS IN ADJUSTMENT SECTION SHALL 4AVE 3' MIN_ CLEARANCE ADJUSTMENT SECTION: LEVELING STEPS IN CATCH BASIN SHALL HAVE 6" MIN_ CLEARANCE SEE STD. BRICKS 2 ROWS MAX.). RISERS, ( ) DTL NO. CK -D.12, CATCH BASIN DETAILS_ HANDHOLDS SHALL BE OR GRADE RINGS. PLACED IN ALTERNATING GRADE RINGS OR LEVELING BRICK COURSE WITH A MIN. OF ONE HANDHOLD BETWEEN THE LAST STEP AND TOP OF THE FINISHED GRADE. 3. ALL REINFORCED CAST-IN-PLACE CONCRETE SHALL BE CLASS 4000_ ALL PRECAST CONCRETE SHALL BE CLASS 4000_ 4. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS OR KNOCKOUTS. KNOCKOUTS SHALL HAVE WALL THICKNESS OF 2" MIN. UNUSED KNOCKOUTS NEED NOT BE GROUTED IF STEPS OR LADDER, ORIENT WALL IS LEFT INTACT. PIPES SHALL BE INSTALLED ONLY IN WITH INLET SO STEPS WILL FACTORY KNOCKOUTS UNLESS OTHERWISE APPROVED BY THE CLEAR PIPES. ENGINEER. 5_ KNOCKOUT OR CUTOUT HOLE SIZE SHALL EQUAL PIPE OUTER DN1M. PLUS CATCH BASIN WALL THICKNESS. MAX. HOLE SIZE SHALL BE 36" FOR 48' CATCH BASIN, 42° FOR 54' C_B_, 48' FOR 60" C.B., 60' FOR 72° C.B., MIN_ DISTANCE BETWEEN HOLES SHALL BE 8° FOR 48', 540, AND 60' C-E_; 12" FOR 72" C.B. 6. CATCH BASIN FRAMES AND GRATES OR COVERS SHALL BE IN ACCORDANCE WITH SEC_ 7.05 OF THE STANDARD SPECIFICATIONS_ MATING SURFACES SHALL BE FINISHED TO ASSURE NON - ROCKING FIT WITH ANY COVER POSITION_ 7_ ALL BASE REINFORCING STEEL SHALL HAVE A MIN_ YIELD STRENGTH OF 60.000 PSI AND BE PLACED IN THE UPPER HALF OF THE BASE WITH 1" MIN. CLEARANCE PRECAST BASE & 8. MIN. SOIL BEARING VALUE SHALL EQUAL 3,300 POUNDS PER INTEGRAL RISER_ SQUARE FOOT_ 9. FOR DETAILS SHOWING LADDER, STEPS, HANDRAILS AND TOP SLABS, SEE STD. DETAIL NO. 8035. 10, SEE THE STANDARD SPECIFICATIONS SEC_ 7 -05.3 FOR JOINT REQUIREMENTS_ 11. SEE CITY OF RENTON DETAIL 8035 AND B074 FOR PLACEMENT OF CATCHBASIN LADDER AND STEPS, AND MANHOLE FRAME AND COVER- AX 6' SUMP ONLY 1' -0° FOR 48 ", 2' -0° FOR 72" DIAM. CONTRACTOR SHALL INSTALL SURETRACK'CUMBING AND FALL RESTRAINT SYSTEM IN CATCH BASIN. GRAVEL BACKFILL FOR FOUNDATIONS 6° MIN. COMPACTED DEPTH FOR PRECAST BASE ONLY. -REINFORCING STEEL (FOR PRECAST BASE & INTEGRAL RISER ONLY) 0.15 SQ. IN_ /FT_ IN EACH DIRECTION FOR 48° DIAM_ 0.19 SQ. IN. /FT_ IN EACH DIRECTION FOR 54' DIAM_ 0.25 SQ. IN_ /FT. IN EACH DIRECTION FOR 60" DIAM_ 0.24 SQ. IN. /FT. IN EACH DIRECTION FOR 72° DIAM. PRECAST BASE JOINT CATCH BASIN TYPE 2 48 ", 54 ", 60 ", & 72" NOT TO SCALE CITY OF RENTON STANDARD DETAIL #B027.1 D-291?O? Special Provisions: Except as noted below, the plans and specifications for the project shall follow the 1996 WSDOT /APWA standard specifications Pipe bedding shall be Bedding Material for Thermoplastic Pipe per Standard Specifications 9 -03.16 (as specified in the technical specifications). Bedding Material shall be placed from a minimum of 6 inches below the pipe to 12 inches above the top of the pipe, compacted to 95 percent maximum density per ASTM D1557. The contractor shall ensure proper placement and compaction of pipe bedding under the pipe haunches. CPEP storm pipe shall meet the specifications detailed in Standard Specifications 9 -05.19 and 9 -05.20 (as specified in the technical specifications). Section 9 -05.19 shall be amended to include the following: Corrugated polyethylene storm pipe shall meet the requirements of AASHTO M 294 Type S or D for 48 -inch diameter pipe. Catch Basin Type II - 72 -inch Dia. Shall be per City of Renton Standard Detail B027.1. Roadway restoration including crushed surfacing base course and top course shall meet the material and installation requirements outlined in Volume 2, Technical Specifications of contract number C1311C. Trench Excavation Safety Systems shall comply with WAC 296 -155 Part N, Standard Specifications Section 2- 09.3(3) (as specified in the technical specifications) and all other applicable State and Federal regulations. Nil �7 d I. C 7� t� • _' i = = ° SCANNcF) SFP , 9 ?nm 5.1 0