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CONSTRUCTION PROVISIONS (Revised 05-1
1. STANDARD SPECIFICATIONS
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 EDITION, AS PREPARED BY THE WASHINGTON STATE DEPARTMENT OF TRANSPORTATION, AND
HEREINAFTER REFERRED TO AS THE "STANDARD SPECIFICATIONS," EXCEPT AS HEREIN MODIFIED.
2. TRENCH EXCAVATION, BEDDING AND BACKFILL
ALL WORK WITHIN THE RIGHT-OF-WAY SHALL COMPLY WITH ALL PERTINENT PERMITS, THE GOVERNING
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
DEVELOPER/CONTRACTOR.
WHEN TRENCHING THROUGH EXISTING PAVEMENT, THE PAVEMENT SHALL BE CUT ON A NEAT -LINE BY SAW
CUTTING. TRENCH SIDES SHALL BE KEPT AS VERTICAL AS POSSIBLE GIVEN THE SOIL CONDITIONS.
COMPACTION AND RESTORATION SHALL BE DONE AS DETAILED BELOW AND IMMEDIATELY AFTER THE TRENCH
BACKFILL IS PLACED SO AS TO CAUSE THE LEAST DISRUPTION TO TRAFFIC. ALL PAVEMENT SHALL BE
CUT 1 FOOT OUTSIDE THE EDGE OF THE TRENCH ON EACH SIDE.
ANY TRENCH EXCEEDING FOUR FEET IN DEPTH SHALL BE PROVIDED WITH ADEQUATE SAFETY SYSTEMS
MEETING THE REQUIREMENTS OF THE WASHINGTON STATE INDUSTRIAL SAFETY AND HEALTH ACT (WISHA),
CHAPTER 49.17 RCW, AND ALL REGULATIONS ADOPTED PURSUANT THERETO. THE DEVELOPER/CONTRACTOR
SHALL HAVE A STRUCTURAL ENGINEER REVIEW AND STAMP ANY AND ALL SHORING PLANS AND
CALCULATIONS. THE DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR WORKER SAFETY AND THE
DISTRICT AND THE DISTRICT'S ENGINEER ASSUME NO RESPONSIBILITY.
WHEN NATIVE MATERIAL AT THE TRENCH BOTTOM IS SUITABLE FOR PIPE BEDDING, THE BOTTOM SHALL BE
HAND FINISHED TO GRADE SO THAT THE PIPE WILL HAVE UNIFORM SUPPORT ALONG THE BARREL AND
BELL. AFTER THE PIPE IS IN PLACE, ADDITIONAL HAND SELECTED NATIVE MATERIAL MEETING THE
REQUIREMENTS FOR BEDDING MATERIAL SHALL BE PLACED AND TAMPED AROUND THE PIPE FOR A MINIMUM
OF 4 INCHES ABOVE THE CROWN OF THE PIPE.
WHEN NATIVE MATERIAL AT THE TRENCH BOTTOM IS STONY OR OTHERWISE NON -UNIFORM, THE TRENCH
SHALL BE OVER -EXCAVATED A MINIMUM OF 6 INCHES BELOW THE SPECIFIED GRADE AND A LAYER OF
PIPE BEDDING 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 PLACED AND TAMPED AROUND THE PIPE FOR A MINIMUM OF 4 INCHES ABOVE THE
CROWN OF THE PIPE.
IF THE NATIVE MATERIAL AT THE TRENCH BOTTOM IS UNSUITABLE FOR FOUNDATION PURPOSES OR WILL
HAVE DIFFICULTY PROVIDING UNIFORM BEARING FOR THE PIPE, SUCH MATERIAL SHALL BE REMOVED AND
REPLACED WITH A MINIMUM OF 6 INCHES OF COMPACTED FOUNDATION MATERIAL.
THE BEDDING MATERIAL SHALL BE CARRIED UP EVENLY ON BOTH SIDES OF THE PIPE SIMULTANEOUSLY IN
APPROXIMATELY 6-INCH LAYERS AND EACH LAYER THOROUGHLY COMPACTED WITH APPROPRIATE TOOLS IN
SUCH MANNER AS TO AVOID INJURING OR DISTURBING THE COMPLETED PIPELINE. ALL BEDDING AND
NATIVE MATERIAL SHALL BE STORED AWAY FROM THE EDGES OF EXCAVATION AND OFF THE PAVED
ROADWAY AND SHOULDER.
ALL TRENCH BACKFILL SHALL BE MECHANICALLY COMPACTED TO 95% OF THE MAXIMUM DENSITY WITHIN
THE 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 TRENCHES OVER 8 FEET IN DEPTH. WHEN THE TRENCH DEPTH EXCEEDS 8 FEET, TRENCH
BACKFILL UP TO 4 FEET FROM THE TOP OF THE TRENCH SHALL BE MECHANICALLY COMPACTED TO 90%
OF THE MAXIMUM DENSITY. THE REMAINING TOP 4 FEET OF THE TRENCH SHALL THEN BE MECHANICALLY
COMPACTED TO 95% OF THE MAXIMUM DENSITY, IN UNPAVED AREAS AND OTHER AREAS NOT SUBJECT TO
VEHICULAR TRAFFIC, 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.
ALL DENSITIES SHALL BE DETERMINED BY TESTING PER THE MODIFIED PROCTOR METHOD, ASTM D1557.
THE DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING DENSITY TEST REPORTS CERTIFIED
BY A PROFESSIONALENGINEER ENG EE REGISTERED IN THE STATE OF WASHINGTON. A MINIMUM OF ONE TEST
SHALL BE TAKEN WITHIN EVERY 500 FEET OF TRENCH LENGTH AND AT DEPTHS UP TO 50% OF TRENCH
DEPTH R DIRECTED
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0 AS D ECTED BY THE DISTRICT FIELD REPRESENTATIVE R T S ELD 0 HE GOVERNING ROAD AGENCY.
COMPACTION OF LATERALS OR SERVICE LINE TRENCHES SHALL ALSO BE TESTr_D WHERE DIRECTED BY THE
DISTRICT'S FIELD REPRESENTATIVE OR THE GOVERNING ROAD AGENCY. TESTING OF CDF, WHEN USED AS
REQUIRED BY THE GOVERNING ROAD AGENCY, SHALL BE IN ACCORDANCE WITH ASTM 04832.
TRENCH BACKFILL SHALL BE PLACED IN UNIFORM LOOSE LAYERS NO MORE THAN 12 INCHES THICK AND
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 MAXIMUM DENSITY WITH IMPORTED BANK RUN GRAVEL. THE DISTRICT'S FIELD REPRESENTATIVE
RESERVES THE RIGHT TO REQUEST A COMPACTION TEST AT ANY TIME ON THE BACKFILL MATERIAL.
IN CUTS TRANSVERSE TO THE ROAD ALIGNMENT AND AT ALL UTILITY CROSSINGS, THE ENTIRE TRENCH
SHALL BE BACKFILLED WITH CRUSHED SURFACING. BACKFILL SHALL BE PLACED AND MECHANICALLY
COMPACTED IN 12-INCH MAXIMUM LIFTS.
AFTER BACKFILL AND COMPACTION, AN IMMEDIATE COLD MIX PATCH SHALL BE PLACED AND MAINTAINED IN
A MANNER ACCEPTABLE TO THE GOVERNING ROAD AGENCY UNTIL REPLACED WITH PERMANENT SURFACING.
ALL PIPE AND FITTINGS SHALL BE LAID "IN THE DRY" UNLESS OTHERWISE APPROVED BY THE DISTRICT.
TRENCH EXCAVATIONS SHALL BE DEWATERED BY USING WELL POINT SYSTEMS, SUMPS WITH PUMPS OR
OTHER METHODS APPROVED BY THE DISTRICT. DEWATERING SYSTEMS SHALL BE USED IN ACCORDANCE
WITH GOOD STANDARD PRACTICE AND SHALL BE EFFICIENT ENOUGH TO LOWER THE WATER LEVEL IN
ADVANCE OF THE EXCAVATION AND MAINTAIN IT CONTINUOUSLY TO KEEP THE TRENCH BOTTOM AND SIDES
FIRM AND DRY. DEVELOPER/CONTRACTOR SHALL SUBMIT THE DEWATERING PLAN TO THE DISTRICT FOR
REVIEW AT LEAST 10 DAYS PRIOR TO COMMENCING ANY DEWATERING WORK. ALL DEWATERING EFFLUENT
SHALL BE ROUTED THROUGH A DEWATERING POND PRIOR TO RELEASE.
GROUNDWATER SHALL BE CONTROLLED SUCH THAT SOFTENING OF THE BOTTOM OF EXCAVATIONS OR
FORMATION OF "QUICK" CONDITIONS OR "BOILS" DURING EXCAVATION SHALL BE PREVENTED AND NO SOIL
SHALL 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
DEVELOP ER/CONTRACTOR SHALL AT ALL TIMES HAVE ON HAND SUFFICIENT PUMPING EQUIPMENT AND
MACHINERY IN GOOD WORKING CONDITION FOR ALL ORDINARY EMERGENCIES, INCLUDING POWER OUTAGES,
AND SHALL HAVE AVAILABLE AT ALL TIMES COMPETENT WORKERS FOR THE OPERATION OF SAID EQUIPMENT.
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DEVELOPER/CONTRACTOR SHALL CONTROL SURFACE RUNOFF SO AS TO PREVENT ENTRY OR COLLECTION
cn OF WATER IN EXCAVATIONS AND SHALL MAINTAIN THE UNDISTURBED STATE OF THE FOUNDATION SOILS AND
a ALLOW THE PLACEMENT OF ANY BACKFILL TO THE REQUIRED DENSITY. THE RELEASE OF GROUNDWATER
TO ITS STATIC LEVEL SHALL BE PERFORMED IN SUCH A MANNER AS TO MAINTAIN THE UNDISTURBED STATE
OF THE NATURAL FOUNDATION SOILS, PREVENT DISTURBANCE OF COMPACTED BACKFILL, AND PREVENT
r- FLOTATION OR MOVEMENT OF STRUCTURES AND PIPELINES.
cD DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR COMPLYING WITH ALL PERMIT REQUIREMENTS AND
PROVISIONS FOR MONITORING AND MANAGING WATER DISCHARGED FROM THE EXCAVATION.
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i 3. COVER OVER PIPELINES
THE DEPTH OF COVER FOR WATER MAINS SHALL BE 36-INCHES FOR 8-INCH DIAMETER AND SMALLER
MAINS AND 48-INCHES FOR MAINS OVER 8-INCHES IN DIAMETER. DEPTH OF COVER AT DITCH LINES
SHALL MEET THE SAME REQUIREMENTS. EXCEPTIONS WILL BE ALLOWED ONLY WITH THE PRIOR APPROVAL
OF THE DISTRICT.
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4. CONNECTION TO EXISTING WATER SYSTEM
THE DEVELOPER/CONTRACTOR SHALL NOTIFY THE DISTRICT'S FIELD REPRESENTATIVE AND 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 WATER MAIN. THE
DEVELOPER/CONTRACTOR SHALL NOT OPERATE ANY GATE VALVE OF THE WATER SYSTEM BEFORE, DURING
OR AFTER CONSTRUCTION WITHOUT PRIOR APPROVAL OF THE DISTRICT. 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 REQUIREMENT SHALL NOT COUNT SATURDAYS,
SUNDAYS, AND HOLIDAYS.
WORK SHALL NOT BE STARTED UNTIL ALL OF THE MATERIAL, EQUIPMENT AND LABOR NECESSARY TO
PROPERLY COMPLETE WORK IS ASSEMBLED ON THE SITE. ONCE WORK IS STARTED ON A CONNECTION, IT
SHALL PROCEED CONTINUOUSLY WITHOUT INTERRUPTION AND AS RAPIDLY AS POSSIBLE UNTIL THE
CONNECTION IS COMPLETED. BEFORE ORDERING MATERIALS FOR ANY CONNECTION TO AN EXISTING WATER
MAIN, DEVELOPER/CONTRACTOR SHALL EXCAVATE THE WATER MAIN AND VERIFY OUTSIDE DIAMETER OF ALL
PIPES FOR DETERMINATION OF TYPES OF FITTINGS TO BE USED. THE DEVELOPER/CONTRACTOR SHALL
COORDINATE ALL WORK WITH THE DISTRICT'S FIELD REPRESENTATIVE.
5. SEPARATION OF UTILITIES
MINIMUM SEPARATION BETWEEN WATER AND SEWER MAINS SHALL CONFORM TO SECTION C1-9.1 OF THE
"CRITERIA FOR SEWAGE WORKS DESIGN", CURRENT EDITION, AS PUBLISHED BY THE DEPARTMENT OF
ECOLOGY. MINIMUM SEPARATION BETWEEN OTHER UTILITIES SHALL BE 6 INCHES WITH A SAND CUSHION.
WATER MAINS SHALL PASS UNDER STORM SEWERS WHEN NECESSARY TO MAINTAIN THE MINIMUM COVER
REQUIREMENTS FOR WATER MAINS. THERE SHALL BE NOT LESS THAN A SIX-INCH CUSHION BETWEEN THE
WATER MAINS AND THE STORM SEWERS.
PUGET SOUND ENERGY VAULTS, HAND HOLES AND LIGHT STANDARDS SHALL BE LOCATED NO CLOSER THAN
10 FEET FROM ANY WATER MAINS, FIRE HYDRANTS, AND BLOW -OFF ASSEMBLIES AND NO CLOSER THAN 5
FEET FROM ANY WATER SERVICES. DEVELOPER SHALL BE RESPONSIBLE FOR COORDINATION OF VAULTS,
HAND HOLES, AND LIGHT STANDARDS WITH THE WATER MAINS, SERVICES, FIRE HYDRANTS, AND BLOW -OFF
ASSEMBLIES. NO CONSTRUCTION SHALL START UNTIL THE DEVELOPER HAS FURNISHED THE DISTRICT WITH
A WORK SKETCH FROM PUGET SOUND ENERGY OR A SIGNED HOLD HARMLESS AGREEMENT (FORM
SUPPLIED BY THE DISTRICT) IS PROVIDED.
6. THRUST BLOCKING
ALL FITTINGS SHALL BE BLOCKED WITH POURED CONCRETE AGAINST UNDISTURBED SOIL WITH SUFFICIENT
CONCRETE AND 3/4-INCH ANCHOR RODS, IF REQUIRED, TO RESIST THE RESULTANT FORCES. BLOCKING
SHALL PROVIDE FOR REMOVAL OF ANY CONNECTION TO THE FITTING WITHOUT DAMAGE TO THE FITTING.
WHERE UNFAVORABLE GROUND CONDITIONS ARE ENCOUNTERED, SPECIAL BLOCKING WILL BE REQUIRED AS
DIRECTED BY THE DISTRICT IN THE FIELD. WHEN DIGGING NEAR FITTINGS ON EXISTING PIPELINES,
TEMPORARY BLOCKING SHALL BE INSTALLED TO PREVENT BLOWOUTS. THRUST BLOCKING SHALL CONFORM
TO THE STANDARD DETAILS.
7. WATER WORKS TESTING
PR TIN OF LINES SHALL BE IN ACCORDANCE WITH -
ESSURE TESTING E SECTION 7 09.3(23) OF THE STANDARD
SPECIFICATIONS. TEST PRESSURE SHALL BE THE EXISTING SYSTEM LINE PRESSURE PLUS 150 PSI, BUT IN
NO CASE SHALL THE TEST PRESSURE BE LESS THAN 250 PSI. MAINS SHALL BE DISINFECTED PER
SECTION 7 09.3(24) OF THE STANDARD SPECIFICATIONS.
THE DEVELOPER/CONTRACTOR SHALL CUBE AND FLUSH ALL NEW WATER MAINS WHILE BEING OBSERVED BY
THE DISTRICT'S FIELD REPRESENTATIVE. DISTRICT SHALL FURNISH THE CUBES FOR THE
DEVELOPER/CONTRACTOR WHO SHALL THEN BE RESPONSIBLE FOR CUBING THE NEW WATER MAINS.
DEVELOPER/CONTRACTOR SHALL COORDINATE WITH DISTRICT'S FIELD REPRESENTATIVE FOR THE LOCATIONS
TO BE CUBED. AFTER THE CUBES HAVE BEEN FLUSHED FROM THE SYSTEM, THE REST OF THE FLUSHING,
CHLORINATING, PRESSURE AND PURITY TESTS SHALL BE COMPLETED. THE DISTRICT SHALL BE
RESPONSIBLE FOR COLLECTING THE SAMPLES AND OBTAINING THE BACTERIOLOGICAL TESTS.
8. REPAIR OF PIPELINE FAILURES
BROKEN OR OTHERWISE DEFECTIVE PIPE SHALL BE REMOVED AND REPLACED. REPAIR BANDS OR CLAMPS
SHALL NOT BE USED TO REPAIR BROKEN PIPE.
9. JACKED CROSSING
AT LOCATIONS AS REQUIRED BY THE DISTRICT OR GOVERNING ROAD AGENCY, OR AS PROPOSED BY THE
DEVELOPER, WATER 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 FURNISHED
SHALL BE SUCH THAT NO ADDITIONAL FITTINGS ARE NECESSARY TO MAKE THE CONNECTION. IF 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
EXCAVATION SHALL BE MADE CLOSER THAN 6 FEET FROM THE EDGE OF PAVEMENT.
DIAMETER OF CASING PIPE SHALL BE SUFFICIENT TO ALLOW INSTALLATION OF THE WATER PIPE. WALL
THICKNESS SHALL BE SUFFICIENT TO WITHSTAND INSTALLATION FORCE AND HIGHWAY LOADING WITH A
MINIMUM THICKNESS OF '%-INCH. AFTER THE WATER PIPE HAS BEEN ADJUSTED TO GRADE, MOIST SAND
SHALL BE TAMPED INTO THE CASING PIPE SO THAT ALL VOIDS WILL BE FILLED. MANUFACTURED CASING
SPACERS THAT PROHIBIT MOVEMENT OF THE PIPE IN ANY DIRECTION WITHIN THE CASING MAY BE USED IN
LIEU OF FILLING THE VOID BETWEEN THE WATER MAIN AND THE CASING WALL WITH SAND.
10. WATER SUPPLY
WATER SUPPLY FOR FILLING, TESTING AND FLUSHING OF THE NEW MAINS MAY BE AVAILABLE FROM THE
EXISTING DISTRIBUTION SYSTEM; HOWEVER, THE DEVELOPER/CONTRACTOR WILL BE BILLED BY THE DISTRICT
FOR THE WATER USED AT THE CURRENT COMMERCIAL METER RATE. THE DEVELOPER/CONTRACTOR MAY
PROVIDE HIS OWN METERING FACILITIES TO THE SATISFACTION OF THE DISTRICT OR ACCEPT THE
QUANTITIES ESTIMATED BY THE DISTRICT.
11. EXISTING UTILITIES
EXISTING UTILITIES SHOWN ON ANY REFERENCE DRAWINGS PROVIDED BY THE DISTRICT HAVE BEEN PLOTTED
FROM THE BEST INFORMATION AVAILABLE TO THE DISTRICT. THE DEVELOPER/CONTRACTOR SHALL BE
RESPONSIBLE FOR LOCATING ALL EXISTING UTILITIES WELL ENOUGH IN ADVANCE OF THE EXCAVATION TO
PREVENT DAMAGE DURING CONSTRUCTION. THE DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR
ANY DAMAGE RESULTING FROM HIS OPERATIONS ON THE PROJECT.
THE DEVELOPER SHALL RELOCATE OR REPLACE ANY EXISTING FIRE HYDRANTS LOCATED WITHIN 50 FEET OF
THE DEVELOPMENT TO MEET THE DISTRICT'S REQUIREMENTS IF NEW CONSTRUCTION BY THE DEVELOPMENT
CREATES A SAFETY HAZARD OR A NON -COMPLIANT CONDITION WITH DISTRICT STANDARD SPECIFICATION
REQUIREMENTS.
12. WARRANTY PERIOD
THE DEVELOPER MAKING THE APPLICATION FOR A LINE EXTENSION SHALL BE RESPONSIBLE FOR THE
MATERIALS AND FOR SATISFACTORY OPERATION OF THE FACILITY FOR A PERIOD OF ONE YEAR FROM THE
DATE OF ACCEPTANCE OF THE COMPLETED PROJECT AND THE BILL OF SALE TO THE DISTRICT.
MA TER/AL S (Re vised 05- 1 6- 1 1
1. DUCTILE IRON PIPE
ALL DUCTILE IRON PIPE SHALL CONFORM TO SECTION 9-30.1(1) OF THE STANDARD SPECIFICATIONS.
PIPE SHALL BE CLASS 52 CONFORMING TO LAYING CONDITION TYPE 2, SHALL BE LINED WITH CEMENT
MORTAR PER ANSI/AWWA C104/A21.4-95, AND SHALL BE SEAL COATED. JOINTS SHALL BE PUSH-,)N
TYPES WITH RUBBER GASKETS, WHICH FIT INTO ANNULAR GROOVES. JOINTS AT VALVES OR FITTINGS MAY
BE MECHANICAL JOINT OR FLANGED DEPENDING ON SPECIFICATION AND DRAWING REQUIREMENT. DUCTILE
IRON PIPE MANUFACTURED AND DISTRIBUTED BY PACIFIC STATES CAST IRON PIPE COMPANY SHALL BE
MANUFACTURED AFTER 1988. RESTRAINED JOINTS FOR DUCTILE IRON PIPE SHALL BE U.S. PIPE FIELD
LOCK GASKET SYSTEM OR APPROVED EQUAL.
2. FITTINGS
FITTINGS FOR DUCTILE IRON PIPE SHALL CONFORM TO SECTION 9-30.2(1) OF THE STANDARD
SPECIFICATIONS AND MAY BE FLANGED, MECHANICAL OR PUSH -ON AS REQUIRED. FLANGED FITTINGS
SHALL CONFORM TO A CLASS 125 PRESSURE RATING. MECHANICAL JOINT FITTINGS SHALL BE RESTRAINED
WITH MEGA -LUG RESTRAINING DEVICES OR APPROVED EQUAL. RESTRAINING DEVICES SHALL BE
MANUFACTURED OF HIGH STRENGTH DUCTILE IRON, ASTM A536, GRADE 65-45-12. BOLTS AND
CONNECTING HARDWARE SHALL BE OF HIGH STRENGTH LOW ALLOY MATERIAL IN ACCORDANCE WITH
ANSI/AWWA C111/A21.11. ALL RESTRAINING DEVICES SHALL HAVE A WATER WORKING PRESSURE RATING
EQUIVALENT TO THE FULL RATED PRESSURE OF THE PIPE ON WHICH THEY ARE INSTALLED, WITH A
MINIMUM 2:1 SAFETY FACTOR IN ANY NOMINAL PIPE SIZE. NOTARIZED CERTIFICATION FROM THE
MANUFACTURER OF THE RESTRAINT DEVICE SHALL BE PROVIDED WITH SUBMITTALS.
THE EXTERIOR OF ALL DUCTILE IRON FITTINGS SHALL BE COATED WITH BITUMINOUS PAINT.
3. FIRE HYDRANTS
HYDRANTS SHALL CONFORM TO AWWA C-502, EXCEPT AS HEREIN MODIFIED. HYDRANTS SHALL HAVE A
MINIMUM OF 5-1/4-INCH MAIN VALVE OPENING WITH TWO 2-1/2-INCH HOSE CONNECTIONS AND ONE
4-1/2-INCH PUMPER CONNECTION. ALL PORTS SHALL BE FURNISHED WITH NATIONAL STANDARD HOSE
THREAD AND 1-1/4-INCH OPERATING NUTS THAT TURN COUNTERCLOCKWISE TO OPEN.
THE PUMPER CONNECTION SHALL BE EQUIPPED WITH A 5-INCH STORZ ADAPTER MEETING OR EXCEEDING
THE FOLLOWING SPECIFICATIONS.
A. STORZ ADAPTER AND CAP SHALL BE FORGED AND/OR EXTRUDED 6061-T6 ALUMINUM ALLOY, HARD
COAT ANODIZED.
B. THREADED PORTION TO HAVE TWO SET SCREWS 180' APART AND NO LUGS.
C. STORZ FACE TO BE METAL WITH NO GASKETS TO WEATHER.
D. STORZ CAP TO HAVE SYNTHETIC MOLDED RUBBER GASKET AND SHALL BE ATTACHED TO HYDRANT
ADAPTER WITH 1/8-INCH COATED STAINLESS STEEL AIRCRAFT CABLE.
E. CAP TO BE CONNECTED AND DISCONNECTED WITH STORZ WRENCHES ONLY. TORQUE TO BE
SUFFICIENT SO CAP CANNOT BE REMOVED BY HAND.
HYDRANTS SHALL BE FURNISHED WITH A 6-INCH MECHANICAL JOINT OUTLET, TWO 3/4-INCH DIAMETER TIE
RODS, OR MEGA -LUGS, A 6-INCH AUXILIARY GATE VALVE WITH VALVE BOX, AND A RISER TO SUIT TRENCH
DEPTH AT EACH INSTALLATION. THE GATE VALVE SHALL BE FLANGED TO THE MAIN TEE. HYDRANT SHALL
BE FURNISHED WITH A BREAK -OFF FLANGE ON THE BARREL AND A BREAK -OFF COUPLING FOR THE STEM.
HYDRANTS SHALL CONFORM TO DISTRICT STANDARDS.
ALL FIRE HYDRANTS SHALL BE M & H STYLE 929 RELIANT, MUELLER CENTURION MODEL A-423, CLOW
MEDALLION OR WATEROUS PACER NO. WB-67.
NOZZLES SHALL BE FITTED WITH RENEWABLE BRONZE NIPPLE LOCKED IN PLACE. MAINTAIN 3 FEET
CLEARANCE BETWEEN HYDRANT AND PROPERTY OR EASEMENT LINE.
TYPE 1 BLUE REFLECTIVE MARKERS AS DESCRIBED IN SECTION 9-21.1 OF THE STANDARD SPECIFICATIONS
SHALL BE INSTALLED AS REQUIRED BY THE GOVERNING ROAD AGENCY.
FIRE HYDRANTS SHALL BE EQUIPPED WITH STEAMER AND HOSE PORT THREADS IN ACCORDANCE WITH THE
REQUIREMENTS OF THE LOCAL FIRE PROTECTION DISTRICT.
THE HYDRANT SHALL BE CLEANSED AND PRIME COATED WITH A HEAVY-DUTY BRUSH TYPE PRIMER OR
APPROVED EQUAL. ALL HYDRANTS SHALL BE PAINTED YELLOW WITH TWO TOPCOATS OF OIL RESISTANT
ENAMEL, BRUSH TYPE OR APPROVED EQUAL. THE DISTANCE FROM THE HYDRANT TO THE 6-INCH GATE
VALVE SHALL BE STENCILED ON THE HYDRANT WITH 2-INCH LETTERS.
DURING THE CHLORINATING PROCESS FOR THE NEWLY LAID PIPE, ALL VALVES ASSOCIATED WITH THE FIRE
HYDRANTS SHALL BE OPERATED WHILE THE PIPELINE IS FILLED WITH THE CHLORINATING AGENT AND UNDER
NORMAL OPERATING PRESSURE.
4. FIRE HYDRANT GUARD POSTS
GUARD POSTS SHALL NOT BE INSTALLED WITH FIRE HYDRANT ASSEMBLIES UNLESS REQUIRED BY DISTRICT.
IF GUARD POSTS ARE REQUIRED BY DISTRICT, THEY SHALL BE MADE OF REINFORCED CONCRETE, 8 INCHES
IN DIAMETER, 6 FEET LONG AND BURIED TO A MINIMUM DEPTH OF 3 FEET. GUARD POSTS SHALL BE SET
WITH THEIR TOPS AT THE SAME ELEVATION AS THE BONNET FLANGE OF THE HYDRANT. THE EXPOSED
PORTION OF THE GUARD POSTS SHALL BE PAINTED WITH 2 COATS OF EXTERIOR CONCRETE PAINT, COLOR
AS DESIGNATED BY THE DISTRICT.
5. GATE VALVES
GATE VALVES SHALL BE OF THE SIZE AND TYPE INDICATED ON THE DRAWINGS WITH BRONZE -MOUNTED
RESILIENT SEAT WEDGING DEVICES CONFORMING TO AWWA C509 OR AWWA C515. VALVES SHALL BE
COATED PER AWWA C550 WITH NON -RISING STEMS, OPEN COUNTERCLOCKWISE, AND BE EQUIPPED WITH
AN 0-RING STUFFING BOX. VALVE END CONNECTIONS MAY BE FLANGED, MECHANICAL JOINT OR PUSH -ON
AS REQUIRED. ALL FLANGE FACES SHALL BE MACHINED AND DRILLED TO STRADDLE THE VERTICAL
CENTERLINE. VALVE STEM EXTENSIONS WITH PLATE WELDED TO OPERATING NUT WILL BE REQUIRED WHERE
OPERATING NUT IS MORE THAN 4 FEET BELOW SURFACE. THE VALVE STEM EXTENSION TOP SHALL BE
INSTALLED WITHIN 18 INCHES TO 24 INCHES BELOW FINISH GRADE AND SHALL HAVE A 2-INCH SQUARE
OPERATING NUT AND SELF -CENTERING ROCK PLATE SUPPORT. LOCK DOWN SET SCREWS SHALL NOT BE
USED ON VALVE OPERATING NUT EXTENSIONS.
MANUFACTURER SHALL PROVIDE CATALOG DATA, NET WEIGHT, AND ASSEMBLY DRAWINGS OF ALL VALVES TO
BE PURCHASED AND INSTALLED AS WELL AS AN AFFIDAVIT OF COMPLIANCE. ALL VALVES SHALL HAVE A
WATER WORKING PRESSURE RATING EQUIVALENT TO THE FULL RATED PRESSURE OF THE PIPE ON WHICH
THEY ARE INSTALLED, WITH A MINIMUM 2:1 SAFETY FACTOR IN ANY NOMINAL PIPE SIZE.
6. VALVE BOX
VALVE BOX SHALL BE CAST IRON SERIES 940B AS MANUFACTURED BY OLYMPIC FOUNDRY OR APPROVED
EQUAL WITH LID MARKED "WATER". ALL BOXES SHALL BE ADJUSTED TO MATCH THE FINISH GRADE AT THE
VALVE LOCATION. ALL VALVE BOX COVERS SHALL BE PAINTED BLUE. ORIENT THE VALVE BOXES SO THE
"EARS" ARE SET THE SAME AS THE PIPE DIRECTION. PROVIDE 4-INCH THICK BY 2-FOOT WIDE ASPHALT
OR CONCRETE COLLAR AROUND VALVE BOX COVERS IN UNIMPROVED AREAS, LANDSCAPE AREAS AND
EASEMENTS.
7. VALVE MARKER POSTS
VALVE MARKER POSTS SHALL BE FURNISHED AND INSTALLED WITH EACH VALVE UNLESS THE VALVE IS
LOCATED IN THE PAVEMENT OR IN A VAULT. MARKER POSTS SHALL BE CONCRETE WITH 4-INCH MINIMUM
SQUARE SECTION, 42-INCH LENGTH, AND SHALL BE REINFORCED WITH ONE 3/8" X 39" BAR OF
REINFORCING STEEL. MARKERS SHALL BE PLACED AT THE EDGE OF THE RIGHT-OF-WAY OPPOSITE THE
VALVE OR AS DIRECTED BY THE DISTRICT WITH 18 INCHES OF THE POST EXPOSED ABOVE GRADE. THE
EXPOSED PORTION SHALL BE PAINTED WITH TWO COATS OF WHITE EXTERIOR CONCRETE PAINT WITH THE
SIZE OF THE VALVE AND THE DISTANCE IN FEET AND INCHES TO THE VALVE STENCILED WITH BLACK PAINT
ON THE FACE OF THE POST USING A STENCIL THAT WILL PRODUCE LETTERS TWO INCHES HIGH.
8. WET TAPS
TAPPING SLEEVE SHALL BE JCM 432 OR ROMAC `SSTSTAINLESS STEEL SLEEVES WITH FULL COVERAGE
RUBBER GASKET, OR EPDXY COATED LONG PATTERN SLEEVE, OR APPROVED EQUAL. VALVE SHALL BE A
RESILIENT SEATED VALVE MADE FOR TAPPING, U.S. PIPE METROSEAL 250 OR APPROVED EQUAL. REFER
TO THE GATE VALVE DESCRIPTION FOR ADDITIONAL DETAILS. SUBMITTALS REQUIRED FOR ALL WET TAP
MATERIALS.
9. WATER SERVICES AND METERS
NEW SERVICE LINES SHALL BE CLASS 200, HI-MOL OR APPROVED EQUAL AND SHALL CONFORM TO THE
STANDARD DETAILS AND SECTIONS 9-30.6 AND 9-30.6(3)B OF THE STANDARD SPECIFICATIONS. INSTALL
PLASTIC -COATED 16-GAUGE COPPER TRACER WIRE ALONG TOP OF ALL PLASTIC SERVICE PIPES. ATTACH
BARE WIRE TO ANGLE AND CORPORATION STOPS.
CONNECTIONS FROM PIPE TO ANGLE AND CORPORATION STOPS SHALL BE WITH COMPRESSION PACK
JOINTS. METER BOXES SHALL BE AS CALLED OUT ON THE STANDARD DETAILS. METER BOXES AND LIDS
LOCATED IN DRIVEWAYS OR SIDEWALKS SHALL BE TRAFFIC BEARING AS APPROVED BY THE DISTRICT.
WATER SERVICES SHALL BE LOCATED BY MUTUAL AGREEMENT BETWEEN DEVELOPER, DISTRICT, AND OTHER
UTILITY COMPANIES. PAINT SERVICE LOCATIONS ON CURB WITH BLUE PAINT. METER BOXES SHALL BE
FURNISHED AND INSTALLED BY DEVELOPER/CONTRACTOR. WATER SERVICE SHALL BE LOCATED NO CLOSER
THAN 5 FEET FROM POWER VAULTS, HAND HOLES AND LIGHT STANDARDS.
ALL SERVICE LINES SHALL BE ONE -INCH MINIMUM, AND SHALL BE CONTINUOUS AND UNSPLICED FROM
CORPORATION STOP TO METER AND SHALL HAVE 6 INCHES OF SAND BEDDING SURROUNDING THE SERVICE
LINE. EXPANSION LOOPS ARE TO BE HELD AS FLAT AS POSSIBLE WITH NO REVERSE GRADE. WATER
MAIN SERVICE SADDLE AND CORPORATION STOP WITH COMPRESSION ADAPTER SHALL BE LOCATED AT
APPROXIMATELY 10' ABOVE SPRING LINE PER THE STANDARD DETAIL.
THE DEVELOPER/CONTRACTOR SHALL NOT BACKFILL ANY SERVICE LINES UNTIL ALL BRASS FITTINGS
ASSOCIATED WITH THAT SERVICE LINE HAVE BEEN INSPECTED AND ACCEPTED BY THE DISTRICT.
EXISTING WATER SERVICES, WHICH NEED TO BE ABANDONED, SHALL BE DISCONNECTED AT THE WATER MAIN
CORPORATION STOP. THE DEVELOPER/CONTRACTOR SHALL COORDINATE WITH THE DISTRICT'S FIELD
REPRESENTATIVE AS REQUIRED.
10. IMPORTED GRAVEL MATERUIL
PIPE BEDDING SHALL CONFORM TO SECTION 9-03.12(3) OF THE STANDARD SPECIFICATIONS. FOUNDATION
GRAVEL SHALL CONFORM TO SECTION 9-03.17 OF THESTANDARDSPECIFICATIONS. BANKRUN GRAVEL
FI SPECIFICATIONS, EXCEPT
FOR TRENCH BACKFILL SHALL CONFORM TO SECTION 9 03.19 OF THE STANDARD S EC
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 AGENCY.
DEVELOPER/CONTRACTOR SHALL BE RESPONSIBLE FOR REMOVING AND DISPOSING OF ANY EXCESS
EXCAVATED SOIL MATERIAL AT AN APPROVED DISPOSAL SITE.
CRUSHED GRAVEL SURFACING
CRUSHED GRAVEL SURFACING SHALL CONFORM TO THE REQUIREMENTS OF SECTION 9-03.9(3) OF THE
STANDARD SPECIFICATIONS.
12. 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
1/2-INCH, P.G. 58-22 GRADING REQUIREMENTS, OR AS REQUIRED BY THE GOVERNING ROAD AGENCY.
Wm396204
PLAN REVIEW # 12-861
Call 2 Business Days Before You Dig
811 or 1-800-424-5555
Utilities Underground Location Center
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40908
ISTER�� 1
`rsI�NAL $�G ,�
JOB NUMBER: 16-137
DRAWING NAME: 16137A-WA-DT
DESIGNER:
MEV
DRAFTING BY:
NC
DATE:
5-25-17
SCALE:
AS NOTED
JURISDICTION: SOOS CREEK
84SE W C2
DRAWING:
SHEET 3 OF 5