HomeMy WebLinkAboutR-422124CONSTRUCTION PROVISIONS (Revised 05-1 6-1 1 )
1. STANDARD SPECIFICATIONS
3. CONNECTION TO EXISTING SEWER SYSTEM
ALL WORK, MATERIALS AND TESTING SHALL CONFORM TO THE STANDARDS OF SOOS CREEK WATER & SEWER
DISTRICT AND THE "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION", CURRENT CONNECTIONS TO EXISTING LINES SHALL BE MADE ONLY WITH THE WRITTEN APPROVAL OF SOOS CREEK WATER
EDITION, AS PREPARED BY THE WASHINGTON STATE DEPARTMENT OF TRANSPORTATION, AND HEREINAFTER & SEWER DISTRICT. THE DEVELOPER/CONTRACTOR SHALL NOTIFY THE DISTRICT'S FIELD REPRESENTATIVE AND
REFERRED TO AS THE "STANDARD SPECIFICATIONS," EXCEPT AS HEREIN MODIFIED. OTHER UTILITIES AT LEAST 48 HOURS IN ADVANCE OF ANY CONSTRUCTION AND MAKE THE NECESSARY
ARRANGEMENTS WITH THE DISTRICT'S FIELD REPRESENTATIVE FOR THE CONNECTION TO THE EXISTING SEWER
2. TRENCH EXCAVATION, BEDDING AND BACKFILL SYSTEM. THE DEVELOPER/CONTRACTOR SHALL FURNISH ALL MATERIAL, EQUIPMENT AND LABOR NECESSARY
FOR MAKING THE CONNECTION UNDER THE SUPERVISION OF THE DISTRICT. THE 48-HOUR NOTICE
ALL WORK WITHIN THE RIGHT-OF-WAY SHALL COMPLY WITH ALL PERTINENT PERMITS, THE GOVERNING REQUIREMENT SHALL NOT COUNT SATURDAYS, SUNDAYS, AND HOLIDAYS.
AGENCY'S CURRENT ROAD STANDARDS, AND THE STANDARD SPECIFICATIONS. ALL MATERIAL FROM CLEARING
AND GRUBBING SHALL BE HAULED TO AN APPROVED WASTE DISPOSAL SITE PROVIDED BY THE WORK SHALL NOT BE STARTED UNTIL ALL OF THE MATERIAL, EQUIPMENT AND LABOR NECESSARY TO PROPERLY
DEVELOPER/CONTRACTOR. COMPLETE WORK IS ASSEMBLED ON THE SITE. ONCE WORK IS STARTED ON A CONNECTION, IT SHALL
co PROCEED CONTINUOUSLY WITHOUT INTERRUPTION AND AS RAPIDLY AS POSSIBLE UNTIL THE CONNECTION IS
z WHEN TRENCHING THROUGH EXISTING PAVEMENT, THE PAVEMENT SHALL BE CUT ON A NEAT -LINE BY SAW COMPLETED. BEFORE ORDERING MATERIALS FOR ANY CONNECTION TO AN EXISTING MANHOLE,
Q CUTTING. TRENCH SIDES SHALL BE KEPT AS VERTICAL AS POSSIBLE GIVEN THE SOIL CONDITIONS. DEVELOPER/CONTRACTOR SHALL EXCAVATE THE MANHOLE AND VERIFY OUTSIDE DIAMETER OF ALL PIPES FOR
COMPACTION AND RESTORATION SHALL BE DONE AS DETAILED BELOW AND IMMEDIATELY AFTER THE TRENCH DETERMINING TYPES OF FITTINGS TO BE USED. ALL WORK SHALL BE COORDINATED WITH THE DISTRICT'S FIELD
_ BACKFILL IS PLACED, SO AS TO CAUSE THE LEAST DISRUPTION TO TRAFFIC. ALL PAVEMENT SHALL BE CUT 1 REPRESENTATIVE. THE EXISTING SEWERS SHALL REMAIN IN SERVICE AT ALL TIMES.
0 FOOT OUTSIDE THE EDGE OF THE TRENCH ON EACH SIDE.
in CONNECTIONS TO SANITARY SEWER MANHOLES SHALL BE MADE USING A SAND COLLAR, A CONCRETE COUPLING
Q ANY TRENCH EXCEEDING FOUR FEET IN DEPTH SHALL BE PROVIDED WITH ADEQUATE SAFETY SYSTEMS MEETING OR A KOR-N-SEAL BOOT. THE PIPE TO MANHOLE CONNECTION SHALL BE WATERTIGHT. ANY LEAKS IN THE
THE REQUIREMENTS OF THE WASHINGTON STATE INDUSTRIAL SAFETY AND HEALTH ACT (WISHA), CHAPTER 49.17 COUPLINGS OR OTHER AREAS CREATED WHILE CONNECTING TO THE EXISTING MANHOLE SHALL BE SEALED WITH
Q RCW, AND ALL REGULATIONS ADOPTED PURSUANT THERETO. THE DEVELOPER/CONTRACTOR SHALL HAVE A STRATA TECH ST-520 INJECTION RESIN OR APPROVED EQUAL.
z STRUCTURAL ENGINEER REVIEW AND STAMP ANY AND ALL SHORING PLANS AND CALCULATIONS. THE
Q DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR WORKER SAFETY AND THE DISTRICT AND THE DISTRICT'S DEVELOPER/CONTRACTOR SHALL RE -CHANNEL EXISTING MANHOLES AS NECESSARY TO SMOOTHLY DIRECT THE
ENGINEER ASSUME NO RESPONSIBILITY. FLOW INTO THE EXISTING SYSTEM.
z
Q WHEN NATIVE MATERIAL AT THE TRENCH BOTTOM IS SUITABLE FOR PIPE BEDDING, THE BOTTOM SHALL BE ALL WATER AND/OR CONSTRUCTION DEBRIS SHALL BE REMOVED FROM NEW SEWERS AND NOT BE PERMITTED
HAND FINISHED TO GRADE SO THAT THE PIPE WILL HAVE UNIFORM SUPPORT ALONG THE BARREL AND BELL. TO ENTER THE EXISTING SYSTEM. THE DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR FLUSHING OUT
AFTER THE PIPE IS IN PLACE, ADDITIONAL HAND SELECTED NATIVE MATERIAL MEETING THE REQUIREMENTS FOR AND CLEANING ANY EXISTING SEWERS INTO WHICH GRAVEL, ROCKS OR OTHER DEBRIS HAS ENTERED AS A
Q BEDDING MATERIAL SHALL BE PLACED AND TAMPED AROUND THE PIPE FOR A MINIMUM OF 4 INCHES ABOVE RESULT OF THE DEVELOPER'S/CONTRACTOR'S OPERATIONS, AND SHALL PAY FOR REPAIR TO LIFT STATIONS OR
N THE CROWN OF THE PIPE. OTHER FACILITIES DAMAGED BY SUCH DEBRIS. ALL FLUSHING WATER SHALL BE PUMPED FROM UPSTREAM
z MANHOLES OR SEWER LINES AND SHALL NOT BE ALLOWED TO ENTER THE EXISTING SEWER.
WHEN NATIVE MATERIAL AT THE TRENCH BOTTOM IS STONY OR OTHERWISE NON -UNIFORM, THE TRENCH SHALL
li BE OVER -EXCAVATED A MINIMUM OF 6 INCHES BELOW THE SPECIFIED GRADE AND A LAYER OF PIPE BEDDING
Lj MATERIAL SHALL BE FURNISHED AND PLACED TO THE SPECIFIED GRADE. AFTER THE PIPE IS IN PLACE,
ADDITIONAL HAND SELECTED NATIVE MATERIAL MEETING THE REQUIREMENTS FOR BEDDING MATERIAL SHALL BE 4. SEPARATION OF UTILITIES
O PLACED AND TAMPED AROUND THE PIPE FOR A MINIMUM OF 4 INCHES ABOVE THE CROWN OF THE PIPE.
MINIMUM SEPARATION BETWEEN SEWER AND WATER MAINS SHALL CONFORM TO SECTION C1-9.1 OF THE
2 IF THE NATIVE MATERIAL AT THE TRENCH BOTTOM IS UNSUITABLE FOR FOUNDATION PURPOSES OR WILL HAVE "CRITERIA FOR SEWAGE WORKS DESIGN", CURRENT EDITION, AS PUBLISHED BY THE DEPARTMENT OF ECOLOGY.
U) DIFFICULTY PROVIDING UNIFORM BEARING FOR THE PIPE, SUCH MATERIAL SHALL BE REMOVED AND REPLACED MINIMUM SEPARATION BETWEEN OTHER UTILITIES SHALL BE 6 INCHES WITH A SAND CUSHION.
= WITH A MINIMUM OF 6 INCHES OF COMPACTED FOUNDATION MATERIAL.
PUGET SOUND ENERGY VAULTS, HAND HOLES AND LIGHT STANDARDS SHALL BE LOCATED NO CLOSER THAN 10
= THE BEDDING MATERIAL SHALL BE CARRIED UP EVENLY ON BOTH SIDES OF THE PIPE SIMULTANEOUSLY IN FEET FROM ANY SEWER MAINS AND STUB SERVICES. DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR
APPROXIMATELY 6-INCH LAYERS AND EACH LAYER THOROUGHLY COMPACTED WITH APPROPRIATE TOOLS IN COORDINATION OF VAULTS, HAND HOLES, AND LIGHT STANDARDS WITH THE SEWER STUB SERVICES. NO
SUCH MANNER AS TO AVOID INJURING OR DISTURBING THE COMPLETED PIPELINE. ALL BEDDING AND NATIVE CONSTRUCTION SHALL START UNTIL THE DEVELOPER/CONTRACTOR HAS FURNISHED THE DISTRICT WITH A WORK
0� MATERIAL SHALL BE STORED AWAY FROM THE EDGES OF EXCAVATION AND OFF THE PAVED ROADWAY AND SKETCH FROM PUGET SOUND ENERGY OR A SIGNED HOLD HARMLESS AGREEMENT (FORM SUPPLIED BY THE
W SHOULDER.
GoDISTRICT) IS PROVIDED..
0 ALL TRENCH BACKFILL SHALL BE MECHANICALLY COMPACTED TO 95% OF THE MAXIMUM DENSITY WITHIN THE 5. THRUST BLOCKING
z RIGHT-OF-WAY AND IN ALL AREAS (PAVED AND UNPAVED) WHERE STREETS, ROADWAY SHOULDERS, DRIVEWAYS,
SIDEWALKS, OR PARKING LOTS WILL BE CONSTRUCTED OR RECONSTRUCTED OVER THE TRENCH EXCEPT FOR WHEN DIGGING NEAR FITTINGS ON EXISTING PIPELINES, TEMPORARY BLOCKING SHALL BE INSTALLED TO
J TRENCHES OVER 8 FEET IN DEPTH. WHEN THE TRENCH DEPTH EXCEEDS 8 FEET, TRENCH BACKFILL UP TO 4 PREVENT BLOWOUTS. BLOCKING SHALL ALLOW FOR ANY CONNECTIONS TO THE FITTING TO BE REMOVED
FEET FROM THE TOP OF THE TRENCH SHALL BE MECHANICALLY COMPACTED TO 90% OF THE MAXIMUM WITHOUT DAMAGING THE FITTING. THRUST BLOCKING SHALL CONFORM TO THE STANDARD DETAILS. WHERE
DENSITY. THE REMAINING TOP 4 FEET OF THE TRENCH SHALL THEN BE MECHANICALLY COMPACTED TO 95% UNFAVORABLE GROUND CONDITIONS ARE ENCOUNTERED, SPECIAL BLOCKING MAY BE REQUIRED AS DIRECTED BY
OF THE MAXIMUM DENSITY. IN UNPAVED AREAS AND OTHER AREAS NOT SUBJECT TO VEHICULAR TRAFFIC, THE DISTRICT IN THE FIELD.
TRENCH BACKFILL FROM THE PIPE TO WITHIN 3 FEET OF THE SURFACE SHALL BE COMPACTED TO 90% OF
THE MAXIMUM DENSITY. THE UPPER 3 FEET SHALL BE COMPACTED TO 95% OF THE MAXIMUM DENSITY. 6. SEWER MAIN TESTING
ALL DENSITIES SHALL BE DETERMINED BY TESTING PER THE MODIFIED PROCTOR METHOD, ASTM D1557. THE GRAVITY SEWERS AND APPURTENANCES SHALL BE TESTED AFTER BACKFILLING BY THE LOW-PRESSURE AIR
DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING DENSITY TEST REPORTS CERTIFIED BY A METHOD IN ACCORDANCE WITH SECTION 7-17.3(2) OF THE STANDARD SPECIFICATIONS, EXCEPT WHERE THE
PROFESSIONAL ENGINEER REGISTERED IN THE STATE OF WASHINGTON. A MINIMUM OF ONE TEST SHALL BE GROUND WATER TABLE IS SUCH THAT THE DISTRICT MAY REQUIRE THE INFILTRATION TEST. FINAL ACCEPTANCE
TAKEN WITHIN EVERY 500 FEET OF TRENCH LENGTH AND AT DEPTHS UP TO 50% OF TRENCH DEPTH, OR AS
DIRECTED BY THE DISTRICT'S FIELD REPRESENTATIVE OR THE GOVERNING ROAD AGENCY. COMPACTION OF OF THE SEWER MAIN INSTALLATION WILL BE SUBJECT TO THE DISTRICT'S RESOLUTION N0. 1904-S, WHICH
LATERALS OR SERVICE LINE TRENCHES SHALL BE TESTED WHERE DIRECTED BY THE DISTRICT'S FIELD ALLOWS A MAXIMUM PONDING DEPTH OF 3/4-INCH. IN THE EVENT OF CONFLICTS BETWEEN THE STANDARDS
REPRESENTATIVE OR THE GOVERNING ROAD AGENCY. TESTING OF CDF, WHEN USED AS REQUIRED BY THE ESTABLISHED IN RESOLUTION N0. 1904-S AND THE STANDARDS SPECIFIED IN SECTION 7-17.3(2) OF THE
GOVERNING ROAD AGENCY, SHALL BE IN ACCORDANCE WITH ASTM 04832. STANDARD SPECIFICATIONS, THE STANDARDS OF THE RESOLUTION WILL TAKE PRECEDENCE.
TRENCH BACKFILL SHALL BE PLACED IN UNIFORM LOOSE LAYERS NO MORE THAN 12 INCHES THICK AND 7. REPAIR OF PIPELINE FAILURES
MECHANICALLY COMPACTED AS SPECIFIED. IN ANY TRENCH WHERE THE SPECIFIED COMPACTION CANNOT BE
ACHIEVED WITH NATIVE BACKFILL, THE TOP 4 FEET SHALL BE REPLACED AND COMPACTED TO 95% OF THE BROKEN OR OTHERWISE DEFECTIVE PIPE SHALL BE REMOVED AND REPLACED. REPAIR BANDS OR CLAMPS
MAXIMUM DENSITY WITH IMPORTED BANK RUN GRAVEL. THE DISTRICT'S FIELD REPRESENTATIVE RESERVES THE SHALL NOT BE USED TO REPAIR BROKEN PIPE.
RIGHT TO REQUEST A COMPACTION TEST AT ANY TIME ON THE BACKFILL MATERIAL. 8. JACKED CROSSING
IN CUTS TRANSVERSE TO THE ROAD ALIGNMENT AND AT ALL UTILITY CROSSINGS, THE ENTIRE TRENCH SHALL AT LOCATIONS AS REQUIRED BY THE DISTRICT OR GOVERNING ROAD AGENCY, OR AS PROPOSED BY THE
BE BACKFILLED WITH CRUSHED SURFACING. BACKFILL SHALL BE PLACED AND MECHANICALLY COMPACTED IN
12-INCH MAXIMUM LIFTS. DEVELOPER/CONTRACTOR, SEWER MAIN CROSSINGS OF ARTERIAL STREETS SHALL BE MADE BY JACKING,
DRIVING, OR AUGURING A STEEL CASING PIPE BENEATH THE SURFACE. ALIGNMENT AND GRADE OF CASINGS
AFTER BACKFILL AND COMPACTION, AN IMMEDIATE COLD MIX PATCH SHALL BE PLACED AND MAINTAINED IN A FURNISHED SHALL BE SUCH THAT NO ADDITIONAL FITTINGS ARE NECESSARY TO MAKE THE CONNECTION. IF
MANNER ACCEPTABLE TO THE GOVERNING ROAD AGENCY UNTIL REPLACED WITH PERMANENT SURFACING. THE CASING DOES NOT MEET THIS REQUIREMENT, IT SHALL BE ABANDONED BY FILLING THE CASING WITH
MOIST SAND AND A NEW CASING INSTALLED TO MEET THE LINE AND GRADE REQUIREMENTS. NO OPEN
ALL PIPE AND FITTINGS SHALL BE LAID "IN THE DRY" UNLESS OTHERWISE APPROVED BY ENGINEER. TRENCH EXCAVATION SHALL BE MADE CLOSER THAN 6 FEET FROM THE EDGE OF PAVEMENT.
EXCAVATIONS SHALL BE DEWATERED BY USING WELL POINT SYSTEMS, SUMPS WITH PUMPS OR OTHER METHODS DIAMETER OF CASING PIPE SHALL BE SUFFICIENT TO ALLOW INSTALLATION OF THE SEWER. WALL THICKNESS
APPROVED BY THE DISTRICT. DEWATERING SYSTEMS SHALL BE USED IN ACCORDANCE WITH GOOD STANDARD SHALL BE SUFFICIENT TO WITHSTAND INSTALLATION FORCE AND HIGHWAY LOADING WITH A MINIMUM THICKNESS
PRACTICE AND SHALL BE EFFICIENT ENOUGH TO LOWER THE WATER LEVEL IN ADVANCE OF THE EXCAVATION OF 1/-INCH. AFTER THE SEWER MAIN HAS BEEN ADJUSTED TO GRADE, MOIST SAND SHALL BE TAMPED INTO
AND MAINTAIN IT CONTINUOUSLY TO KEEP THE TRENCH BOTTOM AND SIDES FIRM AND DRY. THE CASING PIPE SO THAT ALL VOIDS WILL BE FILLED. MANUFACTURED CASING SPACERS THAT PROHIBIT
DEVELOPER/CONTRACTOR SHALL SUBMIT THE DEWATERING PLAN TO THE DISTRICT FOR REVIEW AT LEAST 10 MOVEMENT OF THE PIPE IN ANY DIRECTION WITHIN THE CASING MAY BE USED IN LIEU OF FILLING THE VOID
DAYS PRIOR TO COMMENCING ANY DEWATERING WORK. ALL DEWATERING EFFLUENT SHALL BE ROUTED THROUGH A DEWATERING POND PRIOR TO RELEASE. BETWEEN THE SEWER MAIN AND THE CASING WALL WITH SAND.
GROUNDWATER SHALL BE CONTROLLED SUCH THAT SOFTENING OF THE BOTTOM OF EXCAVATIONS OR 10. EXISTING UTILITIES
FORMATION OF "QUICK" CONDITIONS OR "BOILS' DURING EXCAVATION SHALL BE PREVENTED AND NO SOIL SHALL EXISTING UTILITIES SHOWN ON ANY REFERENCE DRAWINGS PROVIDED BY THE DISTRICT HAVE BEEN PLOTTED
BE ERODED INTO THE EXCAVATION FROM THE SIDES OF EXCAVATION. DEWATERING SYSTEMS SHALL BE
DESIGNED AND OPERATED SO AS TO PREVENT REMOVAL OF THE NATURAL SOILS. THE FROM THE BEST INFORMATION AVAILABLE TO THE DISTRICT. THE DEVELOPER/CONTRACTOR SHALL BE
DEVELOPER/CONTRACTOR SHALL AT ALL TIMES HAVE ON HAND SUFFICIENT PUMPING EQUIPMENT AND RESPONSIBLE FOR LOCATING ALL EXISTING UTILITIES WELL ENOUGH IN ADVANCE OF THE EXCAVATION TO
MACHINERY IN GOOD WORKING CONDITION FOR ALL ORDINARY EMERGENCIES, INCLUDING POWER OUTAGES, AND PREVENT DAMAGE DURING CONSTRUCTION. THE DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR ANY
SHALL HAVE AVAILABLE AT ALL TIMES COMPETENT WORKERS FOR THE OPERATION OF SAID EQUIPMENT. DAMAGE RESULTING FROM HIS OPERATIONS ON THE PROJECT.
DEVELOPER/CONTRACTOR SHALL CONTROL SURFACE RUNOFF SO AS TO PREVENT ENTRY OR COLLECTION OF 11. WARRANTY PERIOD
WATER IN EXCAVATIONS AND SHALL MAINTAIN THE UNDISTURBED STATE OF THE FOUNDATION SOILS AND ALLOW THE DEVELOPER MAKING THE APPLICATION FOR A LINE EXTENSION SHALL BE RESPONSIBLE FOR THE MATERIALS
THE PLACEMENT OF ANY BACKFILL TO THE REQUIRED DENSITY. THE RELEASE OF GROUNDWATER TO ITS AND FOR SATISFACTORY OPERATION OF THE FACILITY FOR A PERIOD OF ONE YEAR FROM THE DATE OF
STATIC LEVEL SHALL BE PERFORMED IN SUCH A MANNER AS TO MAINTAIN THE UNDISTURBED STATE OF THE ACCEPTANCE OF THE COMPLETED PROJECT AND THE BILL OF SALE TO THE DISTRICT.
NATURAL FOUNDATION SOILS, PREVENT DISTURBANCE OF COMPACTED BACKFILL, AND PREVENT FLOTATION OR
MOVEMENT OF STRUCTURES AND PIPELINES.
DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR COMPLYING WITH ALL PERMIT REQUIREMENTS AND
PROVISIONS FOR MONITORING AND MANAGING WATER DISCHARGED FROM THE EXCAVATION.
mmm1932 First Ave 1�'3F NN ASiy��� SURVEYED:
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N0. REVISION BY DATE APPR
MATERIALS (Revised 05-1 6-1 1)
1. PIPE
GRAVITY SEWERS AND SERVICES SHALL BE CONSTRUCTED OF PVC PIPE CONFORMING
TO SECTION 9-05.12 OF THE STANDARD SPECIFICATIONS UNLESS REQUIRED
OTHERWISE BY THE DISTRICT. PVC GRAVITY SEWER MAIN AND PVC GRAVITY SEWER
SERVICE PIPE SHALL BE CONSIDERED FLEXIBLE CONDUIT. PVC COMPOUND SHALL
MEET THE REQUIREMENTS OF ASTM D 1784 FOR CLASS 12454-B PVC.
DUCTILE IRON PIPE (CLASS 52) MAY BE USED IN LIEU OF PVC PIPE PROVIDED THE
DUCTILE IRON PIPE IS LINED WITH EPDXY, POLYURETHANE, OR SEWPERCOAT AS
MANUFACTURED BY KERNEOS ALUMINATE TECHNOLOGIES OR APPROVED EQUAL. ALL
LININGS SHALL BE APPLIED PER THE MANUFACTURER'S RECOMMENDATIONS.
A. LINED DUCTILE IRON PIPE SHALL HAVE THE LINING APPLIED TO ALL EXPOSED
INTERIOR SURFACES PER THE MANUFACTURER'S RECOMMENDATIONS.
B. POLYURETHANE LININGS SHALL CONSIST OF POLYISOCYANATE RESIN AND POLYOL
RESIN MIXED AT A 1:1 RATIO AT THE TIME OF THE APPLICATION AND APPLIED
TO A DRY FILM THICKNESS OF 40 MILS (0.040 INCHES). COATING THICKNESS
WITHIN THE BELL SOCKET INTERIOR AND ON THE SPIGOT END OF THE PIPE
EXTERIOR SHALL BE 8 MILS (0.008 INCHES) NOMINAL WITH A MAXIMUM
THICKNESS OF 10 MILS (0.010 INCHES) IN ORDER TO MINIMIZE POTENTIAL
DIMENSIONAL ASSEMBLY PROBLEMS. THICKER COATS MAY BE ALLOWED
PROVIDED FINAL DIMENSIONS ARE WITHIN ALLOWABLE TOLERANCES AFTER THE
COATING. THE LINING SHALL PROVIDE AN ASTM D16 TYPE V SYSTEM.
C. SEWPERCOAT IS A CALCIUM ALUMINATE MORTAR MADE OF FUSED CALCIUM
ALUMINATE AND CALCIUM ALUMINATE AGGREGATES. THE LINING SHALL BE
APPLIED TO A THICKNESS OF 125 MILS (0.125 INCHES) FOR 12-INCH AND
SMALLER DIAMETER PIPES AND 3/16 INCHES FOR PIPES LARGER THAN 12
INCHES IN DIAMETER. CRACKS IN THE LINING, OTHER THAN CLOSED HAIRLINE
CRACKS AND/OR FINE CRAZING ARE NOT ACCEPTABLE. A SEAL COAT SHALL BE
APPLIED TO ANY SEWPERCOAT LINING.
D. THE EXTERIOR OF ALL DUCTILE IRON PIPES SHALL BE COATED WITH 1 MIL
(0.001 INCHES) OF BITUMINOUS PAINT ACCORDING TO ANSI/AWWA C151/A21.51.
2. SIDE SEWER SERVICES
ALL SIDE SERVICES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE SECTION
7-18 OF THE STANDARD SPECIFICATIONS AND THE RESOLUTIONS OF THE DISTRICT,
WHICH ARE INCORPORATED HEREIN BY REFERENCE. SIDE SERVICE CONSTRUCTION
SHALL FOLLOW THE INSTALLATION OF MAIN LINES AS CLOSELY AS PRACTICAL IN THE
OPINION OF THE DISTRICT.
CONTRACTOR SHALL INSTALL THE PIPE TO A MINIMUM DEPTH AT THE PROPERTY LINE
OF 5 FEET BELOW THE FLOOR TO BE SERVED OR 5 FEET BELOW THE STREET
CENTERLINE WHICHEVER IS DEEPER. IN CASES OF VACANT PROPERTIES OR
PROPERTIES VACANT BEYOND 150 FEET FROM SEWER MAIN, THE SIDE SEWER SHALL
BE CONSTRUCTED WITH A MINIMUM SLOPE OF 2% FROM THE TEE, UNLESS
OTHERWISE APPROVED BY THE DISTRICT IN WRITING.
ALL STUB SERVICES SHALL TERMINATE WITH A 6-INCH WATERTIGHT CAP AT THE
PROPERTY AND/OR EASEMENT LINE, OR 10 FEET PAST AT THE OPTION OF THE
DEVELOPER. ALL ENDS OF STUB SERVICES SHALL BE MARKED BY A 12-GAUGE
GALVANIZED WIRE AND A 2-INCH BY 4-INCH TIMBER. THE WIRE SHALL EXTEND
VERTICALLY FROM THE CAPPED END TO THE GROUND SURFACE AND SHALL BE
ATTACHED TO THE TIMBER FROM END TO END. THE TIMBER SHALL EXTEND FROM
THE CAPPED END TO A MINIMUM OF 12 INCHES ABOVE THE GROUND AND SHALL
BE PAINTED TRAFFIC WHITE WITH THE WORD "SEWER" STENCILED ON WITH BLACK
PAINT. THE END OF THE TIMBER SHALL BE MARKED IN PERMANENT INDELIBLE INK
WITH THE LENGTH OF THE TIMBER INSTALLED. NEITHER THE WIRE NOR 2" X 4"
TIMBER SHALL BE SECURED OR ATTACHED TO THE SEWER PIPE.
ALL SIDE SERVICES SHALL BE TESTED FOR ACCEPTANCE AT THE SAME TIME THE
MAIN LINE SEWER IS TESTED FOR ACCEPTANCE.
ALL 6-INCH STUBS INTO MANHOLES TO MATCH CROWNS.
3. MANHOLES
MANHOLES SHALL BE PRECAST CONCRETE UNLESS REQUIRED OTHERWISE BY THE
DISTRICT AND SHALL CONFORM TO STANDARD PLAN B-23A EXCEPT WITH ECCENTRIC
REDUCING CONES. POURED IN PLACE BASES SHALL NOT BE ALLOWED. MAXIMUM
ALLOWABLE DIMENSION FROM THE BREAK OF CONE TO TOP OF CASTING SHALL BE
20 INCHES.
INTERNAL CONCRETE CHANNELS, BENCHES AND FILLETS SHALL BE FORMED USING
LOW SHRINKAGE CLASS 4000D 5 SACK MIX WITH PEA GRAVEL TO 5/8-INCH (MAX
SIZE) AGGREGATE CONFORMING TO SECTION 6-02.3 OF THE STANDARD
SPECIFICATIONS. THE WATER -CEMENT RATIO SHALL NOT EXCEED 0.38. A
WATER -REDUCING ADMIXTURE SHALL BE INCLUDED IN THE MIX.
LADDER RUNGS SHALL BE 1-INCH DIAMETER DEFORMED BAR, GALVANIZED OR
POLYPROPYLENE SAFETY -TYPE STEPS MEETING THE REQUIREMENTS OF ASTM C478,
AASHTO M-199, AND ALL WISHA AND OSHA SPECIFICATIONS. POLYPROPYLENE
STEPS, CONFORMING TO ASTM D 4101, SHALL BE INJECTION MOLDED AROUND A
1/2-INCH ASTM A 615 GRADE 60 STEEL REINFORCING BAR.
COVERS SHALL BE OLYMPIC FOUNDRY MODEL NO. MH30A D/T OR APPROVED EQUAL
AND SHALL BE 24-INCH DIAMETER CAST IRON OR DUCTILE IRON WITH THREE
5/8-INCH DIAMETER X 1 1/2-INCH LONG COUNTERSUNK N.C. STAINLESS STEEL
SOCKET HEAD CAP SCREWS AND SINGLE 1-INCH DIAMETER LIFT HOLE LOCATED
APPROXIMATELY 3 INCHES FROM THE OUTSIDE EDGE OF THE COVER. PROVIDE
5/8-INCH X 2 1/2-INCH STAINLESS STEEL CARRIAGE BOLT INSTALLED IN MANHOLE
LIFT HOLE. LIDS SHALL HAVE A NON-SKID PATTERN CAST INTEGRALLY ON TOP WITH
THE WORD "SEWER" CAST IN 3-INCH RAISED LETTERS. RING AND COVER SHALL
HAVE ONE OF THE LOCK DOWN BOLTS CENTERED DIRECTLY OVER THE ACCESS
LADDER.
ALL MANHOLE COVERS LOCATED IN SIDEWALKS OR DRIVEWAYS SHALL BE OLYMPIC
FOUNDRY NO. MH30A D/T SMOOTH DESIGN OR APPROVED EQUAL WITH LOCKING LID
AND 6-INCH CASTING RING AND THE WORD "SEWER" CAST INTEGRALLY ON TOP IN
3-INCH RAISED LETTERS.
MANHOLE SECTIONS SHALL HAVE RUBBER GASKET JOINTS CONFORMING TO ASTM C
443. ALL MANHOLE JOINTS AND PICK HOLES SHALL BE SEALED FROM THE INSIDE
AND THE OUTSIDE WITH A SAND AND PORTLAND CEMENT CONCRETE MIX.
CONTRACTOR SHALL PROVIDE AN 8-INCH THICK BY 6-FOOT WIDE ASPHALT OR
CONCRETE COLLAR AROUND THE RIMS OF ALL MANHOLES LOCATED IN UNIMPROVED
AREAS, LANDSCAPED AREAS, EASEMENTS, AND ALL OTHER UNPAVED AREAS. THE
ASPHALT OR CONCRETE COLLAR SHALL SLOPE AWAY FROM THE MANHOLE RIM.
4. IMPORTED GRAVEL MATERIAL
PIPE BEDDING SHALL CONFORM TO SECTION 9-03.12(3) OF THE STANDARD
SPECIFICATIONS. FOUNDATION GRAVEL SHALL CONFORM TO SECTION 9-03.17 OF
THE STANDARD SPECIFICATIONS. BANKRUN GRAVEL FOR TRENCH BACKFILL SHALL
CONFORM TO SECTION 9-03.19 OF THE STANDARD SPECIFICATIONS, EXCEPT AT
TRANSVERSE CUTS TO THE ROAD ALIGNMENT OR AT UTILITY CROSSINGS, WHICH
SHALL BE BACKFILLED WITH CRUSHED GRAVEL SURFACING OR AS REQUIRED BY THE
GOVERNING ROAD AGENCY. DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR
REMOVING AND DISPOSING OF ANY EXCESS EXCAVATED SOIL MATERIAL AT AN
APPROVED DISPOSAL SITE.
5. CRUSHED GRAVEL SURFACING
CRUSHED GRAVEL SURFACING SHALL CONFORM TO THE REQUIREMENTS OF SECTION
9-03.9(3) OF THE STANDARD SPECIFICATIONS.
6. ASPHALT CONCRETE PATCH AND OVERLAY
ASPHALT CONCRETE SURFACING FOR PATCHING AND OVERLAY SHALL CONFORM TO
SECTION 5-04.2 AND 5-04.3 OF THE STANDARD SPECIFICATIONS. ASPHALT
CONCRETE SURFACING SHALL MEET CLASS %-INCH, P.G, 58-22 GRADING
REQUIREMENTS, OR AS REQUIRED
BY THE GOVERNING ROAD AGENCY.
RE SHOWN ONLY FOR REFERENCE.
EE APPROVED SOOS CREEK
R-422124
F-IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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