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OPTIONAL <br />SEE N <br />3' MIN <br />1 <br />6'y TI <br />STANDARD TRENCH SECTION <br />SEE STD DWG 610 3 <br />I <br />C5771 ; 03 <br />\� W" r/ ALTERNATE SLOPING <br />TRENCH WALL <br />UPPER LIMIT OF <br />i `PIPE ZONE <br />LOWER LIMIT OF <br />PIPE ZONE <br />AVATE AND PLACE <br />IN MATERIAL CLASS A, B <br />OR AS APPROVED BY THE ENGINEER <br />WHEN SPECIFIED. <br />CITY OF EVERETT STD DWG 611 <br />BEDDING FOR PIPE IN TRENCHES <br />SCALE: NOT TO SCALE <br />C57711-/03 <br />CITY OF EVERETT STD DWG 615 <br />TYPICAL TRENCH COMPACTION � <br />SCALE: NOT TO SCALE C571-03 <br />SYM <br />REVISION <br />BY <br />APPROVED <br />DATE SYM <br />REVISION <br />ORIG <br />NEW FLIGHTLINE WATER LINE DESIGN EVE-1019 <br />DCG/ED <br />ED <br />02.28.13 <br />A <br />777X STALL MODIFICATIONS - RECORD W4535737W <br />CEI <br />AH <br />06.28.17 <br />LIMITS OF TRENCH: <br />W = MAXIMUM WIDTH OF TRENCH. FOR PIPES 15" OR LESS IN <br />DIAMETER W = 40". FOR PIPES 18" OR GREATER W= 1 1 /2 <br />x I.D. + 18". PIPE MUST BE CENTERED IN TRENCH. <br />BEDDING AND FOUNDATION MATERIALS: <br />PIPE BEDDING MATERIAL SHALL BE CRUSHED SURFACING BASED <br />COURSE CONFORMING TO SECTION 9-03.9(3) OF THE <br />STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND (MUNICIPAL <br />CONSTRUCTION WSDOT/APWA. <br />OPTIONAL PIPE BEDDING (TO SPRING -LINE) FOR PIPE 15" DIA <br />AND LARGER: PEA GRAVEL OR 3/4" CLEAN ROCK CHIPS AS <br />APPROVED IN ADVANCE BY ENGINEER. <br />OVER EXCAVATION AND PLACEMENT OF FOUNDATION MATERIAL, <br />IF REQUIRED SHALL BE FOUNDATION MATERIAL CLASS A OR B <br />CONFORMING TO SECTION 9-03.17 OF THE STANDARD <br />SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL <br />CONSTRUCTION WSDOT/APWA. <br />PROCEDURE FOR COMPACTION: <br />PROVIDE UNIFORM SUPPORT UNDER PIPE BARREL. <br />COMPACT BEDDING MATERIAL TO 90% MAXIMUM DENSITY <br />EXCEPT DIRECTLY OVER PIPE, HAND TAMP ONLY. <br />HAND TAMP UNDER PIPE HAUNCHES FOR ALL BEDDING <br />MATERIALS. <br />FOR ADDITIONAL COMPACTION INFORMATION SEE STANDARD DWG <br />615. 2 <br />C571-03 <br />1. ALL BACKFILL MATERIAL SHALL BE PLACED IN LIFTS NOT <br />TO EXCEED 12 INCHES BEFORE COMPACTION UNLESS <br />AUTHORIZED BY THE ENGINEER DUE TO THE CHARACTER <br />OF THE MATERIAL AND THE COMPACTING EQUIPMENT. <br />D7�1�-03 <br />2. MECHANICAL COMPACTION OF BACK FILL MATERIAL SHALL <br />NOT BEGIN UNTIL THE DEPTH OF THE COMPACTED <br />BACKFILL MATERIAL IS 2 FEET ABOVE THE TOP OF THE <br />PIPE. <br />3. EACH LIFT SHALL BE MECHANICALLY COMPACTED TO THE <br />REQUIRED DENSITY PRIOR TO PLACING SUBSEQUENT LIFTS <br />OF BACKFILL MATERIAL. <br />4. COMPACTION TESTS SHALL BE AS REQUIRED BY THE CITY <br />ENGINEER, BUT IN NO CASE LESS THAN 2 TESTS EVERY <br />200 FEET OF TRENCH (ONE AT SUBGRADE AND ONE AT <br />50% OF TRENCH DEPTH). <br />5. IN PLACE DENSITY AND MOISTURE CONTENT WILL BE <br />DETERMINED USING NUCLEAR METHOD, ASTM 2922-71. <br />6. LABORATORY MAXIMUM DRY DENSITY AND OPTIMUM <br />71-03 <br />MOISTURE CONTENT WILL BE DETERMINED USING THE <br />MODIFIED PROCTOR METHOD IN ACCORDANCE WITH ASTM <br />D-1557. <br />-03 <br />EX PAVEMENT 61 7 <br />mumm <br />2 1� <br />1 <br />A <br />10 <br />A <br />j <br />j <br />�- W (SEE NOTE 1) -o- <br />NOTES: <br />1. W = MAXIMUM WIDTH OF TRENCH. FOR PIPES 15" OR LESS IN DIA <br />W=40". FOR PIPES 18" OR GREATER W=1.5 x I.D. + 18". PIPE MUST <br />BE CENTERED IN TRENCH. <br />2. ALTERNATE SLOPING TRENCH WALL TO MEET O.S.H.A. REQUIREMENTS <br />(NO SLOPES STEEPER THAN 1:1 EXCEPT FOR ROCK). <br />3. SUITABLE NATIVE MATERIAL OR IMPORTED GRAVEL BORROW AS <br />DIRECTED. COMPACT TO 90% MAXIMUM DENSITY. <br />4. FOUNDATION GRAVEL IF REQUIRED BY THE ENGINEER TO REPLACE <br />UNSUITABLE MATERIAL. SHALL BE FOUNDATION MATERIAL CLASS 1 <br />5. A, B OR AS APPROVED BY THE ENGINEER. (SEE STD DWG 611)• C571-03 <br />6. FOR ADDITIONAL COMPACTION INFORMATION SEE STANDARD DWG 615. 2 <br />7. IF DIRECTED BY THE ENGINEER THE TOP THREE TO FIVE FEET OF C571-03 <br />BACKFILL SHALL BE IMPORTED GRAVEL BORROW OR SUITABLE NATIVE �- <br />MATERIAL COMPACTED TO 95% MAXIMUM DENSITY. <br />9) L <br />PIPE ZO E SEE <br />STD D G 611 <br />C57\1J0 <br />m <br />7. FOR PAVEMENT PATCH <br />DETAILS, SEE SHEETS C529 AND C530. <br />8. VERTICAL TRENCH WALLS WITH SHORING TO CONFORM TO O.S.H.A. <br />REGULATIONS. <br />9. SUBGRADE OR GROUND SURFACE IN NON -PAVED AREAS. <br />10. EXCAVATED NATIVE MATERIAL OR STOCKPILED BACKFILL MATERIAL. <br />11. FOR ALL TRENCHING TRANSVERSE TO THE ROADWAY BACKFILL ABOVE <br />THE PIPE ZONE SHALL BE CONTROI LED DENSITY FILL. SEE SECTION <br />3-9.6 & 3 20.1 OF THESE STANDARDS <br />12. FOR UTILITY CUTS SUCH AS GAS, TELEPHONE, POWER, AND CABLE TV. <br />LONGITUDINAL TO THE ROADWAY, BACKFILL SHALL BE CONTROLLED <br />DENSITY FIE. SEE SECTION 3-9.5 OF THESE STANDARDS. <br />CITY OF EVERETT STD DWG 610 <br />TYPICAL TRENCH SECTION 3 <br />SCALE: NOT TO SCALE C571-03 <br />ACCEPTABILITY N. DAVIS <br />THIS DESIGN AND/OR CHECKED <br />SPECIFICATION IS APPROVED E. DAVIDO <br />ENGINEER <br />APPROVED BY DEPT. DATE DCG <br />CHECKED <br />E. DAVIDO <br />Alt SUBTITLE <br />02.28.13 <br />02.28.13 <br />TITLE <br />02.28.13 <br />02.28.13 <br />CIVIL MASTER <br />N <br />CURRENT REVISION SYMBOL DATE cam! <br />W4535737 A 06.28.17, <br />0 <br />SHEET <br />C571-03 <br />CD <br />CD <br />JOB NO. COMP NO. <br />co <br />EVE-1019 <br />EVERETT, WA DWG NO. 45-YD-0571-03 <br />