HomeMy WebLinkAboutC9.2 GENERAL SPECIFICATIONSC9.2GENERAL SPECIFICATIONSSANITARY SEWAGE SPECIFICATIONS
PART 1 - GENERAL
1.SUMMARY
1.A.SECTION INCLUDES:
1.A.1.SANITARY SEWER DRAINAGE PIPING, FITTINGS, ACCESSORIES, CLEANOUTS, AND
BEDDING.
1.A.2.CONNECTION OF SITE SANITARY SEWER SYSTEM TO MUNICIPAL SANITARY SEWER
SYSTEMS.
1.B.RELATED REQUIREMENTS:
1.A.1.SECTION 02300 - EARTHWORK: TRENCHING, BACKFILL, AND COMPACTION FOR
UTILITIES
1.A.2.SECTION 02536 - SEWER MANHOLES, FRAMES, AND COVERS
1.A.3.SECTION 03310 - CAST-IN-PLACE STRUCTURAL CONCRETE
2.REFERENCES
2.A.THE PUBLICATIONS LISTED BELOW FORM A PART OF THIS SPECIFICATION TO THE EXTENT
REFERENCED. PUBLICATIONS ARE REFERENCED WITHIN THE TEXT BY THE BASIC
DESIGNATION ONLY.
2.B.ASTM INTERNATIONAL (ASTM):
2.B.1.ASTM A74 - CAST IRON SOIL PIPE AND FITTINGS
2.B.2.ASTM A746 - DUCTILE IRON GRAVITY SEWER PIPE
2.B.3.ASTM C425 - COMPRESSION JOINTS FOR VITRIFIED CLAY PIPE AND FITTINGS
2.B.4.ASTM C564 - RUBBER GASKETS FOR CAST IRON SOIL PIPE AND FITTINGS
2.B.5.ASTM C700 - VITRIFIED CLAY PIPE, EXTRA STRENGTH, STANDARD STRENGTH, AND
PERFORATED
2.B.6.ASTM D2241 - POLY (VINYL CHLORIDE) (PVC) PRESSURE-RATED PIPE (SDR SERIES)
2.B.7.ASTM D2657 - HEAT-JOINING POLYOLEFIN PIPE AND FITTINGS
2.B.8.ASTM D3034 - TYPE PSM POLY (VINYL CHLORIDE) (PVC) SEWER PIPE AND FITTINGS
2.B.9.ASTM D3035 - POLYETHYLENE (PE) PLASTIC PIPE USING FLEXIBLE ELASTOMERIC
SEALS
2.B.10.ASTM D3139 - JOINTS FOR PLASTIC PRESSURE PIPE USING FLEXIBLE ELASTOMERIC
SEALS
2.B.11.ASTM D3261 - BUTT HEAT FUSSION POLYETHYLENE (PE) PLASTIC FITTINGS FOR
POLYETHYLENE PLASTIC PIPE AND TUBING
2.B.12.ASTM F477 - ELASTOMERIC SEALS (GASKETS) FOR JOINING PLASTIC PIPE
2.B.13.ASTM F1417 - STANDARD TEST METHOD FOR INSTALLATION ACCEPTANCE OF
PLASTIC GRAVITY SEWER LINES USING LOW-PRESSURE AIR.
2.C.AMERICAN WATER WORKS ASSOCIATION (AWWA):
2.C.1.AWWA C111 - RUBBER_GASKET JOINTS FOR DUCTILE IRON PRESSURE PIPE AND
FITTINGS
2.C.2.AWWA C600 - DUCTILE-IRON WATER MAINS AND THEIR APPURTENANCES
2.C.3.AWWA C900 - POLYVINYL CHLORIDE (PVC) PRESSURE PIPE, 4 IN. THROUGH 12 IN, FOR
WATER DISTRIBUTION
2.C.4.AWWA C901 - POLYETHYLENE (PE) PRESSURE PIPE, TUBING AND FITTINGS 1/2
INCH THROUGH 3 INCHES, FOR WATER DISTRIBUTION
2.C.5.AWWA C906 - POLYETHYLENE (PE) PRESSURE PIPE AND FITTINGS, 4 INCH THROUGH
63 INCH, FOR WATER DISTRIBUTION
3.SUBMITTALS
3.A.PROJECT RECORD DOCUMENTS:
3.A.1.ACCURATELY RECORD ACTUAL LOCATIONS OF PIPE RUNS, CONNECTIONS,
CLEANOUTS, AND INVERT ELEVATIONS.
3.A.2.IDENTIFY AND DESCRIBE UNEXPECTED VARIATIONS TO SUBSOIL CONDITIONS AND
LOCATION OF UNCHARTED UTILITIES.
4.PROJECT CONDITIONS
4.A.COORDINATE WORK WITH TERMINATION OF SANITARY SEWER CONNECTION OUTSIDE
BUILDING AND CONNECTION TO MUNICIPAL SEWER UTILITY SERVICE.
PART 2 - PRODUCTS
1.SEWER PIPE, FITTINGS, AND JOINTS
1.A.POLYVINYL CHLORIDE PIPE (PVC): ASTM D 3034, RATED SDR 35 UNLESS OTHERWISE
SPECIFIED BY THE UTILITY COMPANY. PIPE SHALL BE CONTINUALLY MARKED WITH
MANUFACTURER'S NAME, PIPE SIZE, CELL CLASSIFICATION, SDR RATING, AND ASTM D
3034 CLASSIFICATION.
1.A.1.PIPE JOINTS: INTEGRALLY MOLDED BELL ENDS, ASTM D 3034, TABLE 2, WITH
FACTORY SUPPLIED ELASTOMERIC GASKETS AND LUBRICANT.
1.B.VITRIFIED CLAY PIPE (VCP): ASTM C700: USE ONLY IF REQUIRED BY LOCAL JURISDICTION.
1.B.1.FITTINGS: ASTM C700
1.B.2.JOINTS: ASTM C425
1.B.3.GASKETS: ASTM C425. GASKETS SHALL BE MANUFACTURED FROM HIGH GRADE,
PROPERLY VULCANIZED ELASTOMERIC COMPOUND CONSISTING OF EITHER BASIC
NATURAL OR SYNTHETIC RUBBER. GASKET MANUFACTURING TOLERANCES SHALL
COMPLY WITH RUBBER MANUFACTURER'S ASSOCIATION TOLERANCES FOR
GASKETS.
1.B.4.LUBRICANT: SUITABLE FOR LUBRICATING JOINT COMPONENTS; NO DETERIORATING
EFFECTS ON GASKET OR PIPE MATERIAL, WILL NOT SUPPORT GROWTH OF FUNGI OR
BACTERIA, AND SHALL BE OF TYPE RECOMMENDED BY GASKET MANUFACTURER.
1.C.FORCE MAIN:
1.C.1.HIGH-DENSITY POLYETHYLENE PIPE (HDPE): AWWA C901 AND C906, ASTM D3035, SDR
11 FOR 150 PSI PRESSURE RATING.
1.C.1.1.FITTINGS: MOLDED, AWWA C901 OR C906.
1.C.1.2.JOINTS: BUTT FUSION, ASTM D2657, FLANGED GASKET JOINTS AT INTERFACE
1.C.2.POLYVINYL CHLORIDE PIPE (PVC): FOR LESS THAN 4 INCHES IN DIAMETER, ASTM
D2241 FOR PUSH-ON OR SOLVENT WELD JOINTS, AND FOR PIPE 4 INCHES IN
DIAMETER AND LARGER, AWWA C900, CLASS 150 WITH PUSH-ON JOINTS.
1.C.2.1.JOINTS/FITTINGS: PUSH-ON, ASTM D3139 WITH ASTM F477 GASKETS.
1.C.2.2.SOLVENT CEMENT: ASTM D2564.
1.C.3.DUCTILE IRON PIPE (DIP): ASTM A746, CLASS 50, INSIDE NOMINAL DIAMETER AS
SHOWN ON THE DRAWINGS, BELL AND SPIGOT END.
1.C.4.DUCTILE IRON PIPE JOINT DEVICE: AWWA C111, RUBBER GASKET JOINT DEVICES.
2.PIPE ACCESSORIES
2.A.PIPE JOINTS: MECHANICAL CLAMP RING TYPE, STAINLESS STEEL EXPANDING AND
CONTRACTING SLEEVE, NEOPRENE-RIBBED GASKET FOR POSITIVE SEAL.
2.B.FITTINGS: SAME MATERIAL AS PIPE MOLDED OR FORMED TO SUIT PIPE SIZE AND END
DESIGN, IN REQUIRED TEE, BENDS, ELBOWS, CLEANOUTS, REDUCERS, TRAPS, ETC.
3.CLEANOUTS AND MANHOLES
3.A.MANHOLES SHALL CONFORM TO SECTION 02536.
3.B.LID AND FRAME: PROVIDE IN ACCORDANCE WITH SECTION 02536. PROVIDE TRAFFIC
GRADE AND RATED COVERS AND FRAMES WHERE CLEANOUTS AND MANHOLES ARE
WITHIN PAVEMENT, WITH THE LETTERS “SSCO” OR “SANITARY SEWER” RESPECTIVELY
CAST INTO THE COVER.
3.C.SHAFT CONSTRUCTION: CAST IRON SHAFT OF INTERNAL DIAMETER AS SPECIFIED ON
CONSTRUCTION DRAWINGS WITH 2500 PSI CONCRETE COLLAR FOR CLEANOUTS.
4.APPURTENANCES
4.A.TRACE WIRE: MAGNETIC DETECTABLE CONDUCTOR (#12 COPPER), BRIGHTLY COLORED
PLASTIC COVERING, IMPRINTED WITH “SANITARY SEWER SERVICE” IN LARGE LETTERS.
PART 3 - EXECUTION
1.EXAMINATION
1.A.VERIFY THAT TRENCH CUT AND EXCAVATION IS READY TO RECEIVE WORK AND
EXCAVATIONS, DIMENSIONS, AND ELEVATIONS ARE AS INDICATED ON CONSTRUCTION
DRAWINGS.
2.PREPARATION
2.A.HAND TRIM EXCAVATIONS TO REQUIRED ELEVATIONS. CORRECT OVER EXCAVATION
WITH BEDDING MATERIAL.
2.B.REMOVE LARGE STONES OR OTHER HARD MATTER THAT COULD DAMAGE PIPE OR
IMPEDE CONSISTENT BACKFILLING OR COMPACTION.
3.BEDDING
3.A.EXCAVATE TRENCH AND PLACE BEDDING MATERIAL IN ACCORDANCE WITH SECTION
02300.
4.INSTALLATION - PIPE
4.A.INSTALL TYPE AND CLASS OF PIPE AS SHOWN ON THE DRAWINGS. PIPES SHALL BE LAID
AND MAINTAINED TO THE REQUIRED LINE AND GRADE WITH NECESSARY FITTINGS,
BENDS, MANHOLE RISERS, CLEANOUTS AND OTHER APPURTENANCES PLACED AT THE
REQUIRED LOCATIONS. THE PIPE SHALL BE INSTALLED WITH UNIFORM BEARING UNDER
THE FULL LENGTH OF THE BARREL OF THE PIPE. THE PIPE SHALL BE INSPECTED FOR
DEFECTS AND CRACKS BEFORE BEING LOWERED INTO THE TRENCH. DEFECTIVE,
DAMAGED OR UNSOUND PIPE, OR PIPE THAT HAS HAD ITS GRADE DISTURBED AFTER
LAYING SHALL BE TAKEN UP AND REPLACED. COMMENCE INSTALLATION AT LOWEST
POINT WITH THE BELL END UPGRADE.
4.B.NO PIPE SHALL BE LAID IN WATER OR WHEN TRENCH CONDITIONS ARE UNSUITABLE FOR
WORK.
4.C.PIPE CONNECTING TO MANHOLES OR OTHER STRUCTURES SHALL TERMINATE FLUSH
INSIDE OF THE STRUCTURE WALL.
4.D.JOINTS FOR PVC AND CISP SHALL BE THOROUGHLY LUBRICATED WITH AN APPROVED
LUBRICANT BEFORE PIPE SECTIONS ARE SLIPPED TOGETHER. OPEN ENDS SHALL BE
FULLY PROTECTED WITH A STOPPER TO PREVENT EARTH OR OTHER MATERIAL FROM
ENTERING THE PIPE DURING CONSTRUCTION. CAREFULLY FREE INTERIOR OF THE PIPE
FROM DIRT, CEMENT AND OTHER DELETERIOUS MATERIAL AS THE WORK PROGRESSES.
4.E.MAINTAIN SEPARATION OF POTABLE WATER MAIN FROM SEWER PIPING AT CROSSINGS A
MINIMUM OF 10 FEET HORIZONTAL AND 18 INCHES VERTICAL.
4.F.INSTALL HDPE PIPING AND FITTINGS TO AWWA C901 AND C906. BUTT FUSION WELDED
PER ASTM D3261.
4.G.ROUTE PIPE IN STRAIGHT LINE PARALLEL TO ROADS, BUILDINGS AND ADJACENT UTILITIES
AND AS SHOWN ON THE DRAWINGS.
4.H.ESTABLISH ELEVATIONS OF BURIED PIPING WITH SUFFICIENT COVER AS RECOMMENDED
BY PIPE MANUFACTURER TO ENSURE NOT LESS THAN 3 FEET OF COVER, EXCEPT AS
NOTED ON DRAWINGS.
4.I.FORM AND PLACE CONCRETE FOR THRUST BLOCKS AT EACH ELBOW OF PIPE FORCE
MAIN. SEE CONSTRUCTION DRAWING FOR DETAILS OF CONSTRUCTION.
4.J.BACKFILL TRENCH IN ACCORDANCE WITH SECTION 02300.
4.K.INSTALL TRACE WIRE CONTINUOUS OVER TOP OF NON-METAL PIPE. BURY 6 INCHES
MINIMUM BELOW FINISH GRADE, ABOVE PIPELINE.
5.INSTALLATION - CLEANOUTS AND MANHOLES
5.A.FORM BOTTOM OF EXCAVATION CLEAN AND SMOOTH TO CORRECT ELEVATION.
5.B.FOR CLEANOUTS, FORM AND PLACE CAST_IN_PLACE CONCRETE BASE PAD WITH
PROVISION FOR SANITARY SEWER PIPE TO BE INSTALLED TO PROPER ELEVATIONS.
5.C.FOR MANHOLES, CONSTRUCT INVERTS ACCORDING TO THE FOLLOWING GUIDELINES:
5.C.1.INVERT CHANNEL SHALL BE SMOOTH AND ACCURATELY SHAPED TO A
SEMICIRCULAR BOTTOM TO MATCH WITH THE INSIDE OF THE ADJACENT SEWER
SECTION.
5.C.2.INVERT CHANNELS AND STRUCTURE BOTTOMS SHALL BE SHAPED WITH MORTAR
AND LEAN CONCRETE.
5.C.3.CHANGES IN SIZE AND GRADE OF INVERT SHALL BE MADE GRADUALLY AND EVENLY.
5.C.4.CHANGES IN THE DIRECTION OF THE SEWER ENTERING BRANCH OR BRANCHES
SHALL HAVE A TRUE CURVE OF AS LARGE A RADIUS AS THE MANHOLE WILL PERMIT.
5.D.FOR MANHOLES, PROVIDE MANHOLE RINGS, FRAME, AND COVER AS SHOWN ON THE
CONSTRUCTION DRAWINGS.
6.FIELD QUALITY CONTROL
6.A.FIELD QUALITY CONTROL SHALL BE CONDUCTED BY THE CONTRACTOR IN ACCORDANCE
WITH SECTION 01452.
6.B.PIPES AND JOINTS SHALL NOT BE COMPLETELY BACKFILLED UNTIL AFTER INSPECTION,
TESTING, AND APPROVAL BY THE OWNER AND LOCAL JURISDICTION.
6.C.PRIOR TO TESTING FOR LEAKAGE, THE PIPE TRENCH SHALL BE BACKFILLED TO AT LEAST
THE SPRING LINE OF THE PIPE. IF REQUIRED TO PREVENT PIPE MOVEMENT DURING
TESTING, ADDITIONAL BACKFILL SHALL BE ADDED LEAVING THE PIPE JOINTS UNCOVERED
TO PERMIT INSPECTION.
6.D.EXFILTRATION TEST
6.D.1.EACH SECTION OF SEWER LINE BETWEEN SUCCESSIVE MANHOLES SHALL BE
TESTED BY CLOSING THE LOWER END OF THE SEWER TO BE TESTED AND THE INLET
SEWER OF THE UPPER MANHOLE, USING STOPPERS.
6.D.2.FILL THE MANHOLE AND PIPE WITH WATER TO A POINT WHICH PRODUCES A
MAXIMUM OF 3 FEET OF HEAD ABOVE THE INVERT OF THE SEWER AT THE CENTER OF
THE UPPER MANHOLE; OR IF GROUNDWATER IS PRESENT, 3 FEET OF HEAD ABOVE
THE AVERAGE ADJACENT GROUNDWATER LEVEL.
6.D.3.THE ALLOWABLE LEAKAGE SHALL BE 200 GAL/INCH OF PIPE DIAMETER/MILE/DAY
6.E.INFILTRATION TEST
6.E.1.IF EXCESSIVE GROUND WATER IS ENCOUNTERED IN THE CONSTRUCTION OF A
SECTION OF THE SEWER, THE EXFILTRATION TEST SHALL NOT BE USED.
6.E.2.THE UPPER AND LOWER ENDS OF THE SEWER TO BE TESTED SHALL BE CLOSED
SUFFICIENTLY TO PREVENT THE ENTRANCE OF WATER.
6.E.3.PUMPING OF GROUND WATER SHALL BE DISCONTINUED FOR AT LEAST 3 DAYS; THEN
INFILTRATION SHALL BE TESTED.
6.E.4.INFILTRATION INTO EACH SECTION OF SEWER BETWEEN ADJOINING MANHOLES
SHALL NOT EXCEED THAT ALLOWED FOR THE EXFILTRATION TEST, EXCEPT THAT
HEAD CONDITIONS SHALL BE A MAXIMUM OF 6 FEET.
6.F.THE EXFILTRATION TEST MAY BE LIMITED TO THE MANHOLES ONLY WHEN THE
AUTHORITY HAVING JURISDICTION DOES NOT REQUIRE THE TEST AND THE
CONSTRUCTION MANAGER WAIVES THE TEST. THE INFILTRATION TEST WILL ALWAYS BE
REQUIRED WHEN EXCESSIVE GROUND WATER IS ENCOUNTERED IN ADDITION TO THE AIR
TEST.
6.G.AIR TEST: GRAVITY SYSTEMS SHALL BE AIR TESTED BETWEEN MANHOLES AT 3.5 PSI FOR
5 MINUTES PER ASTM F1417 FOR PLASTIC PIPES.
6.H.ALL MANHOLES SHALL BE AIR TESTED IN ACCORDANCE WITH ASTM C1244-93 (STANDARD
TEST METHOD FOR CONCRETE SEWER MANHOLES BY NEGATIVE AIR PRESSURE
(VACUUM) TEST).
6.I.DEFLECTION TEST:
6.I.1.DEFLECTION TESTS SHALL BE CONDUCTED ON ALL PLASTIC PIPE USING A MANDREL
WITH A DIAMETER EQUAL TO 95 PERCENT OF THE INSIDE DIAMETER OF THE PIPE.
THE TEST SHALL BE PERFORMED WITHOUT MECHANICAL PULLING DEVICES.
6.I.2.ALLOWABLE DEFLECTION: MAXIMUM ALLOWABLE PIPE DEFLECTION SHALL NOT
EXCEED 5 PERCENT OF NOMINAL INSIDE DIAMETER.
6.I.3.MANDREL: MANDREL, GO/NO-GO, DEVICE SHALL BE CYLINDRICAL IN SHAPE AND
CONSTRUCTED WITH EITHER 9 OR 16 EVENLY SPACED ARMS OR PRONGS.
MANDRELS WITH FEWER ARMS WILL BE REJECTED AS NOT SUFFICIENTLY
ACCURATE. CONTACT LENGTH OF MANDREL'S ARMS SHALL EQUAL OR EXCEED
NOMINAL INSIDE DIAMETER OF SEWER TO BE INSPECTED. CRITICAL MANDREL
DIMENSIONS SHALL CARRY TOLERANCE OF 0.01-INCH MAXIMUM. CONTRACTOR
SHALL PROVIDE MANDREL AND NECESSARY EQUIPMENT FOR MANDREL TEST.
6.I.4.PROCEDURE: MANDREL SHALL BE HAND-PULLED THROUGH FLEXIBLE PIPE SEWER
LINES NO EARLIER THAN 30 DAYS AFTER TRENCH HAS BEEN COMPLETELY
BACKFILLED. SECTIONS OF SEWER NOT PASSING MANDREL SHALL BE UNCOVERED
AND REBEDDED, REROUNDED, OR REPLACED TO SATISFACTION OF OWNER OR
GOVERNING AGENCY. REPAIRED SECTION SHALL BE RETESTED.
6.J.HYDROSTATIC TEST: FORCE MAIN PIPING SHALL BE HYDROSTATICALLY TESTED AT 150
PSI IN ACCORDANCE WITH AWWA C 600.
6.K.PROVIDE MEASURING DEVICES, METERS, WATER, MATERIALS, AND LABOR FOR MAKING
THE REQUIRED TESTS.
6.L.TESTS SHALL BE CONDUCTED IN THE PRESENCE OF THE CONSTRUCTION MANAGER OR
HIS DESIGNEE. TEST DATA SHALL BE SUBMITTED TO THE ENGINEER FOR REVIEW AND
APPROVAL.
END OF SECTION REVISIONS AND ISSUESPREPARED FOR:PROJECT NO.
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CULVER'SCARMEL, IN04.29.2022DEGTAC COMMENT REVISIONS105.13.2022AMQLANDSCAPE COMMENT REVISIONS206.24.2022BTREMOVE PARKING ISLAND AND TRANSFORMER3TAC COMMENT REVISIONS 2407.07.2022DEGWQ TREATMENT TRAIN & WATER COMMENTS508.12.2022DEGADDED FIRE HYDRANT & FDC AND DRY LINE608.25.2022DEGRELOCATED IRRIGATION VALVE & METER709.29.2022DEGSWPPP2 UPDATE TO CLARIFY WQ UNIT & EASEMENT810.06.2022DEGCRE REVIEW COMMENT REVISIONS910.24.2022DEGADDED SURVEY DATA FOR EAST ADJOINER1011.23.2022DEG