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HomeMy WebLinkAbout0210.99.8n In I 61 i g 4 r rn v ry ° 0 IN] I 9 0 8 EARTHWORK 1. SCOPE OF WORK A. EXTENT: THE WORK REQUIRED UNDER THIS SECTION CONSISTS OF ALL EXCAVATING, FILLING, ROUGH GRADING AND RELATED ITEMS NECESSARY TO COMPLETE THE WORK INDICATED ON THE DRAWINGS AND DESCRIBED IN THE SPECIFICATIONS. 1. IN GENERAL THE ITEMS OF WORK TO BE PERFORMED UNDER THIS SECTION SHALL INCLUDE CLEARING AND GRUBBING, REMOVAL OF TREES AND STUMPS (WHERE REQUIRED), PROTECTION OF TREES TO REMAIN, STRIPPING AND STORAGE OF TOPSOIL, FILL, COMPACTION AND ROUGH GRADING OF ENTIRE SITE AS INDICATED ON THE DRAWINGS. 2. EXCAVATED MATERIAL THAT IS SUITABLE MAY BE USED FOR FILLS. ALL UNSUITABLE MATERIAL AND ALL SURPLUS EXCAVATED MATERIAL NOT REQUIRED SHALL BE REMOVED FROM THE SITE. THE LOCATION OF DUMP AND LENGTH OF HAUL SHALL BE THE CONTRACTOR'S RESPONSIBILITY. 3. PROVIDE AND PLACE ANY ADDITIONAL FILL MATERIAL FROM OFF THE SITE AS MAY BE NECESSARY TO PRODUCE THE GRADES REQUIRED. FILL OBTAINED FROM OFF SITE SHALL BE OF KIND AND QUALITY AS SPECIFIED FOR FILLS HEREIN AND THE SOURCE APPROVED BY THE ENGINEER do OWNER. 4. THE CONTRACTOR SHALL ACCEPT THE SITE AS HE FINDS IT AND SHALL REMOVE ALL TRASH, RUBBISH AND DEBRIS FROM THE SITE PRIOR TO STARTING EXCAVATION. B. WORK NOT INCLUDED: THE FOLLOWING ITEMS OF RELATED WORK ARE SPECIFIED AND INCLUDED IN OTHER SECTIONS OF THESE SPECIFICATIONS. 1. EXCAVATION, GRADING AND BACKFILLING FOR UTILITY LINES 2. STORM DRAINAGE SYSTEMS. 3. SANITARY SEWER SYSTEMS. 4. WATER SUPPLY SYSTEMS. 5. DRIVES AND PAVING. 2. BENCHMARKS MAINTAIN CAREFULLY ALL BENCH MARKS, MONUMENTS AND OTHER REFERENCE POINTS, IF DISTURBED OR DESTROYED REPLACE AS DIRECTED BY ENGINEER. 3. REMOVAL OF TREES A. REMOVE ALL TREES AND STUMPS FROM AREA TO BE OCCUPIED BY ROAD AND SURFACED AREAS. REMOVAL OF TREES OUTSIDE THESE AREAS SHALL ONLY BE DONE AS NOTED ON DRAWINGS OR APPROVED BY THE OWNER. B. ALL BRUSH, STUMPS, WOOD AND OTHER REFUSE FROM THE TREES SHALL BE REMOVED FROM SITE OR BURNED WITH PROPER PERMITS (WHERE APPLICABLE). 4. PROTECTION OF TREES A. GENERAL PROTECTION: THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE PROTECTION OF TOPS, TRUNKS AND ROOTS OF EXISTING TREES ON THE PROJECT SITE THAT ARE TO REMAIN. EXISTING TREES SUBJECT TO CONSTRUCTION DAMAGE SHALL BE BOXED, FENCED OR OTHERWISE PROTECTED BEFORE ANY WORK IS STARTED, DO NOT STOCKPILE WITHIN BRANCH SPREAD. REMOVE INTERFERING BRANCHES WITHOUT INJURY TO TRUNKS AND COVER SCARS WITH TREE PAINT. 5. STRIPPING OF TOPSOIL A. REMOVE TOPSOIL TO A DEPTH OF 6 INCHES (OR MORE IF REQUIRED) FROM THE AREAS TO BE OCCUPIED BY ROADS. WALKS, BUILDINGS, AND PARKING AREAS. PILE AND STORE TOPSOIL AT A LOCATION WHERE IT WILL NOT INTERFERE WITH CONSTRUCTION OPERATIONS. TOP SOIL SHALL BE REASONABLY FREE FROM SUBSOIL, DEBRIS AND STONES. 6. DISPOSITION OF UTILITIES A. RULES AND REGULATIONS GOVERNING THE RESPECTIVE UTILITIES SHALL BE OBSERVED IN EXECUTING ALL WORK UNDER THIS SECTION. B. IT SHALL BE THE RESPONSIBILITY OF EACH CONTRACTOR TO VERIFY ALL EXISTING UTILITIES AND CONDITIONS PERTAINING TO HIS PHASE OF THE WORK. IT SHALL ALSO BE THE CONTRACTORS RESPONSIBILITY TO CONTACT THE OWNERS OF THE VARIOUS UTILITIES BEFORE WORK IS STARTED. THE CONTRACTOR SHALL NOTIFY IN WRITING THE OWNERS OR THE ENGINEERS OF ANY CHANGES, ERRORS OR OMISSIONS FOUND ON THESE PLANS OR IN THE FIELD BEFORE WORK IS STARTED OR RESUMES. C. WHERE ACTIVE UTILITIES ARE ENCOUNTERED BUT NOT SHOWN ON THE DRAWINGS, THE ENGINEER SHALL BE ADVISED BEFORE WORK IS CONTINUED. D. INACTIVE AND ABANDONED UTILITIES ENCOUNTERED IN EXCAVATING AND GRADING OPERATIONS SHALL BE REPORTED TO THE ENGINEER. THEY SHALL BE REMOVED, PLUGGED OR CAPPED AS DIRECTED BY THE ENGINEER. 7. SITE GRADING A. GRADES: DO ALL CUTTING, FILLING, COMPACTING OF FILLS AND ROUGH GRADING REQUIRED TO BRING ENTIRE PROJECT AREA TO SUB -GRADE AS SHOWN ON THE DRAWINGS. UNDERCUT OPEN AREAS 4" FOR TOPSOIL. B. ROUGH GRADING: THE TOLERANCE FOR PAVED AREAS SHALL NOT EXCEED 0.10 FEET ABOVE ESTABLISHED SU8 -GRADE ALL OTHER AREAS SHALL NOT EXCEED 0.10 FEET PLUS OR MINUS THE ESTABLISHED GRADE. PROVIDE ROUNDING AT TOP AND BOTTOM OF BANKS AND OTHER BREAKS IN GRADE. ALL OPEN AREAS SHALL BE GRADED A MINIMUM OF 0.5% AND A MAXIMUM OF 3:1 SLOPE. 8. SEEDING PREPARATION A. SOLVE ANY SURFACE OR SUBSURFACE DRAINAGE PROBLEMS AND CONSTRUCT PERMANENT EROSION CONTROL STRUCTURES. B. REMOVE ALL ROCKS, ROOTS OR OTHER MATERIALS THAT MAY INTERFERE WITH SEEDBED PREPARATION. C. PERFORM THE MAJOR FILLING, SHAPING AND SMOOTHING OF GULUED OR SEVERELY ERODED AREAS. D. HAVE SOIL TESTED TO CHECK PH AND FERTILITY LEVELS. APPLY LIME AT RATE SPECIFIED IN SEEDING SPECIFICATIONS ON THE PLANS. E. WORK ALL LIME AND FERTILIZER INTO THE SOIL TO DEPTH OF 2 -3 INCHES WITH A SMALL DISK, HARROW OR RAKE OPERATED ACROSS THE SLOPE AS MUCH AS POSSIBLE. F. FIRM THE SOIL BED WHERE POSSIBLE. DO NOT OVER PACK THE SOIL BECAUSE TOO MUCH COMPACTING CAN RESTRICT WATER AND ROOT PENETRATION INTO THE SOIL. 8 7 I 6 SANITARY SEWER SYSTEMS 1. SCOPE OF WORK THE WORK UNDER THIS SECTION INCLUDES ALL SANITARY SEWERS, MANHOLES, CATCH BASINS CLEANOUTS, AND RELATED ITEMS, INCLUDING EXCAVATING AND BACKFILLING NECESSARY TO COMPLETE THE WORK SHOWN ON THE DRAWINGS, STARTING FIVE FEET OUTSIDE THE BUILDING WALLS. THE ENDS OF SEWERS SHALL BE TIGHTLY PLUGGED OR CAPPED AT THE TERMINAL POINTS, ADJACENT TO BUILDINGS, PENDING THE CONNECTING OF ALL SUCH LINES TO THE BUILDING DRAIN AS SPECIFIED IN THE PLUMBING SPECIFICATIONS AND ARCHITECTURAL DRAWINGS. 2. MATERIALS A. SANITARY SEWERS 1. ALL GRAVITY PLASTIC SEWER PIPE AND FITTINGS SHALL CONFORM TO ASTM D3034, SDR -35. THE MINIMUM CELL CLASSIFICATION FOR P.V.C. AND TRUSS PIPE SHALL BE 12454 -B OR 12454 -C. 2. ASS SEWER PIPE AND FITTINGS SHALL CONFORM TO ASTM D2680 OR LATEST REVISION. IF USING TRUSS PIPE, JOINTS SHALL BE GASKET TYPE. 3. JOINTS FOR P.V.C. AND P.V.C. TRUSS PIPE SHALL BE COMPRESSION TYPE FLEXIBLE GASKETED JOINTS. 4. FORCE MAIN: POLYVINYL CHLORIDE (PVC) PRESSURE PIPE WITH BELL AND SPIGOT GASKETED JOINTS, ASTM D 1784/02241, CLASS 200, SDR21. 3. APPLICATION A. PERMITS AND CODES: THE INTENT OF THIS SECTION OF THE SPECIFICATIONS IS THAT THE CONTRACTORS BID ON THE WORK COVERED HEREIN SHALL BE BASED UPON THE DRAWINGS AND SPECIFICATIONS, BUT THAT THE WORK SHALL COMPLY WITH ALL APPLICABLE CODES AND REGULATIONS AS AMENDED BY ANY WAIVERS. CONTRACTOR SHALL FURNISH ALL BONDS NECESSARY TO GET PERMITS FOR CUTS AND CONNECTIONS TO EXISTING SEWERS. B. LOCAL STANDARDS: THE TERM "LOCAL STANDARDS" AS USED HEREIN MEANS THE STANDARDS OF DESIGN AND CONSTRUCTION OF THE CITY OF INDIANAPOLIS DEPT. OF CAPITAL ASSET MANAGEMENT. C. EXISTING IMPROVEMENTS : MAINTAIN IN OPERATING CONDITION ALL ACTIVE UTILITIES, SEWERS AND OTHER DRAINS ENCOUNTERED IN THE SEWER INSTALLATION. REPAIR TO THE SATISFACTION OF THE OWNER ANY DAMAGE EXISTING ACTIVE IMPROVEMENTS. D. WORKMANSHIP: TO CONFORM TO ALL LOCAL, STATE AND NATIONAL CODES AND TO BE APPROVED BY ALL LOCAL AND STATE AGENCIES HAVING JURISDICTION. E TRENCHING: LAY ALL PIPE IN OPEN TRENCHES, EXCEPT WHEq THE LOCAL AUTHORITY GIVES WRITTEN PERMISSION FOR TUNNELING. OPEN THE TRENCH SUFFICIENTLY AHEAD OF PIPE - LAYING TO REVEL ANY OBSTRUCTIONS. THE WIDTH OF THE TRENCH SHALL BE THE INSIDE PIPE DIAMETER PLUS 24 INCHES FOR 12 INCHES ABOVE THE PIPE. SHEET AND BRACE TRENCH AS NECESSARY TO PROTECT WORKMEN AND ADJACENT STRUCTURES. ALL TRENCHING TO COMPLY WITH OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION STANDARDS. KEEP TRENCHES FREE FROM WATER WHILE CONSTRUCTION IS IN PROGRESS. UNDER NO CIRCUMSTANCES LAY PIPE OR APPURTENANCES IN STANDING WATER. CONDUCT THE DISCHARGE FROM TRENCH DEWATERING TO DRAINS OR NATURAL DRAINAGE CHANNELS, F. SPECIAL SUPPORTS: WHENEVER, IN THE OPINION OF THE ENGINEER, THE SOIL AT OR BELOW THE PIPE GRADE IS UNSUITABLE FOR SUPPORTING SEWERS AND APPURTENANCES SPECIFIED IN THIS SECTION, SUCH SPECIAL SUPPORT, IN ADDITION TO THOSE SHOWN OR SPECIFIED, SHALL BE PROVIDED AS THE ENGINEER MAY DIRECT AND THE CONTRACT WILL BE ADJUSTED G. BACKFILLING: FOR A DEPTH OF AT LEAST 12 INCHES ABOVE THE TOP OF THE PIPE, BACKFILL WITH GRANULAR MATERIAL FREE FROM LARGE STONES, ROCK FRAGMENTS, ROOTS OR SOD. COMPACT THIS BACKFILL THOROUGHLY, TAKING CARE NOT TO DISTURB THE PIPE. FOR THE REMAINING TRENCH DEPTH, BACKFILL WITH EARTH OR GRANULAR MATERIAL CONTAINING STONES OR ROCKS NOT LARGER THAN 4 INCHES. BACKFILL UNDER WALKS, PARKING AREAS, DRIVEWAYS AND STREETS SHALL BE GRANULAR MATERIAL ONLY - THOROUGHLY COMPACTED BY APPROVED METHODS. TRENCHES PARALLEL TO AND WITHIN 10 FEET OF PAVED ROADWAYS SHALL ALSO BE CONSTRUCTED WITH COMPACTED GRANULAR MATERIAL. H. INFILTRATION FURNISH NECESSARY EQUIPMENT TO TEST SEWERS FOR INFILTRATION. INFILTRATION RATES SHALL NOT EXCEED THE LOCAL STANDARDS. ALL SANITARY SEWER LINES UPON COMPLETION WILL BE REQUIRED TO PASS A LOW PRESSURE AIR TEST, UNLESS OTHERWISE DIRECTED BY THE SEWER UTILITY. SAID TEST SHALL BE CONDUCTED ACCORDING TO NCPI STANDARD METHOD AND SHALL BE WITNESSED BY AN INSPECTOR AUTHORIZED BY THE SEWER UTILITY, INFILTRATION UNDER TEST SHALL NOT EXCEED 100 GALLONS PER INCH ON INSIDE DIAMETER OF SEWER PIPE PER MILE OF SEWER IN 24 HOURS AND INCLUSIVE OF ALL APPURTENANCES WITHIN THE SECTION BEING TESTED SUCH AS MANHOLES, HOUSE CONNECTIONS, ETC. I. FLUSHING SEWERS: FLUSH ALL SANITARY SEWERS EXCEPT BUILDING SEWERS WITH WATER TO OBTAIN FREE FLOW THROUGH EACH UNE. REMOVE ALL SILT AND TRASH FROM APPURTENANCES JUST PRIOR TO ACCEPTANCE OF WORK. J. PLASTIC SEWER PIPE INSTALLATION: PLASTIC SEWER PIPE SHALL BE INSTALLED IN ACCORDANCE WITH ASTM D2321 PER LATEST REVISION, AND NO PLASTIC PIPE SHALL EXCEED A DEFLECTION OF 5%. K. STORM WATER CONNECTIONS: NO ROOF DRAINS, FOOTING DRAINS AND OR SURFACE WATER DRAINS MAY BE CONNECTED TO THE SANITARY SEWER SYSTEMS, INCLUDING TEMPORARY CONNECTIONS DURING CONSTRUCTION. L. WATERLINE CROSSING: WHERE WATER LINES AND SANITARY SEWERS CROSS AND WATER LINES CANNOT BE PLACED ABOVE THE SEWER WITH MINIMUM OF 18 INCHES VERTICAL CLEARANCE, THE SEWER MUST BE CONSTRUCTED OF WATER WORKS GRADE DUCTILE IRON PIPE WITH MECHANICAL JOINTS WITHIN 10 FEET EITHER SIDE OF THE WATER LINE. M. UTILITIES: IT SHALL BE THE RESPONSIBILITY OF EACH CONTRACTOR TO VERIFY ALL EXISTING UTILITIES AND CONDITIONS PERTAINING TO HIS PHASE OF THE WORK. IT SHALL ALSO BE THE CONTRACTORS RESPONSIBILITY TO CONTACT THE OWNERS OF THE VARIOUS UTILITIES BEFORE WORK IS STARTED. THE CONTRACTOR SHALL NOTIFY IN WRITING THE OWNERS OR THE ENGINEER OF ANY CHANCES, ERRORS OR OMISSIONS FOUND ON THESE PLANS OR IN THE FIELD BEFORE WORK IS STARTED OR RESUMED. N. NEW SANITARY SEWER CONSTRUCTION: CONTRACTOR TO RECORD DIMENSIONS OF EACH SERVICE LINE STUB FROM NEAREST DOWNSTREAM MANHOLE MEASURED ALONG THE SANITARY SEWER MAIN. THE LOCATIONS OF MANHOLES AND SERVICE LINES ALONG WITH ANY OTHER CONSTRUCTION CHANGES ARE TO BE INCORPORATED ON THE ORIGINAL CONSTRUCTION DRAWINGS AND "RECORD DRAWING" PRINTS SUBMITTED TO THE SEWER UTILITY AND THE ENGINEER AS SOON AFTER COMPLETION OF CONSTRUCTION AS POSSIBLE. 0. FORCE MAIN TESTING: FORCE MAIN SHALL BE HYDROSTATICALLY PRESSURE TESTED IN ACCORDANCE WITH CITY OF INDIANAPOLIS "STANDARDS FOR DESIGN AND CONSTRUCTION OF INDIANAPOLIS SEWERS," SECTION 9.04 AND ASTM E103. WET WELL AND SERVICE LINES ALONG WITH ANY OTHER CONSTRUCTION LIFT STATION SHALL BE TESTED IN ACCORDANCE WITH SECTION 9.04 ALSO. 7 � 6 STORM SEWER SYSTEMS 1. SCOPE OF WORK THE WORK UNDER THIS SECTION INCLUDES ALL STORM SEWERS, STORM WATER INLETS, AND RELATED ITEMS, INCLUDING EXCAVATING AND BACKFILLING, NECESSARY TO COMPLETE THE WORK SHOWN ON THE DRAWINGS, 2. MATERIALS A. STORM SEWERS 1. REINFORCED CONCRETE SEWER PIPE SHALL CONFORM TO ASTM C -76 CLASS 3 LATEST REVISION WITH JOINTS CONFORMING TO ASTM C -443 LATEST REVISION. 2. PVC THERMOPLASTIC STORM SEWER PIPE SHALL BE MANUFACTURED IN STRICT ACCORDANCE WITH AASHTO M304, LATEST EDITION. THE PIPE SHALL HAVE A MINIMUM STIFFNESS OF 50 PSI FOR ALL DIAMETERS WHEN WHEN TESTED IN ACCORDANCE WITH ASTM D2412. A. ALL THERMOPLASTIC STORM SEWER PIPE SHALL BE SUPPLIED WITH GASKETED JOINTS MEETING THE WATER TIGHTNESS PERFORMANCE REQUIREMENTS OF ASTM D3212. GASKET MATERIAL SHALL CONFORM TO ASTM F 477. B. THE MATERIAL SHALL BE A RIGID PVC PLASTIC MEETING OR EXCEEDING THE REQUIREMENTS OF ASTM D1784 FOR A MINIMUM CELL CLASSIFICATION OF 12454 B OR 12454 C. C. ALL PVC STORM SEWER PIPE, WITH THE REQUIRED MINIMUM PIPE STIFFNESS OF 50 PSI, SHALL BE INSTALLED USING SOIL CLASSES I OR II PER ASTM D2321 WITHIN THE PIPE EMBEDMENT ZONE. B. MANHOLES 1. PRECAST REINFORCED CONCRETE MANHOLE SECTIONS AND STEPS SHALL CONFORM TO ASTM C -478 LATEST REVISION. 2. CASTINGS SHALL BE OF UNIFORM QUALITY, FREE FROM BLOW HOLES, POROSITY, HARD SPOTS, SHRINKAGE DISTORTION OR OTHER DEFECTS. THEY SHALL BE SMOOTH AND WELL - CLEANED BY SHOT BLASTING OR BY SOME OTHER APPROVED METHOD. THEY SHALL BE COATED WITH ASPHALT PAINT WHICH SHALL RESULT IN A SMOOTH COATING. TOUGH AND TENACIOUS WHEN COLD, NOT TACKY OR BRITTLE. THEY SHALL BE GRAY IRON MEETING ASTM A -48 LATEST REVISION. 3. JOINTS - MANHOLE SECTIONS SHALL BE JOINTED WITH RUBBER TYPE GASKETS. THE RUBBER TYPE GASKETS SHALL MEET ASTM C -443 LATEST REVISION. C. SUBDRAINS: I. PERFORATED PLASTIC PIPE SUBDRAINS SHALL CONFORM TO ASTM D 3034 SDR 35, ASTM D 2729, OR ASTM F 405. 3. APPLICATION A. PERMITS AND CODES: THE INTENT OF THIS SECTION OF THE SPECIFICATIONS IS THAT THE CONTRACTOR'S BID ON THE WORK COVERED HEREIN SHALL BE BASED UPON THE DRAWINGS AND SPECIFICATIONS BUT THAT THE WORK SHALL COMPLY WITH ALL, APPLICABLE CODES AND REGULATIONS AS AMENDED BY ANY WAIVERS. CONTRACTOR SHALL FURNISH ALL BONDS NECESSARY TO GET PERMITS FOR CUTS AND CONNECTIONS TO EXISTING SEWERS. B. LOCAL STANDARDS: THE TERM "LOCAL STANDARDS" AS USED HEREIN MEANS THE STANDARDS OF DESIGN AND CONSTRUCTION OF THE CITY OF INDIANAPOLIS DEPT. OF CAPITAL ASSET MANAGEMENT. C. EXISTING IMPROVEMENTS: MAINTAIN IN OPERATING CONDITION ALL ACTIVE UTILITIES, SEWERS AND OTHER DRAINS ENCOUNTERED IN THE SEWER INSTALLATION: REPAIR TO THE SATISFACTION OF THE OWNER ANY DAMAGE TO EXISTING ACTIVE IMPROVEMENTS. D. WORKMANSHIP: TO CONFORM TO ALL LOCAL STATE AND NATIONAL CODES AND TO BE APPROVED BY ALL LOCAL AND STATE AGENCIES HAVING JURISDICTION AND AS APPROVED BY THE MANUFACTURER. E. TRENCHING: LAY ALL PIPE IN OPEN TRENCHES, EXCEPT WHEN THE LOCAL AUTHORITY GIVES WRITTEN PERMISSION FOR TUNNELING. OPEN THE TRENCH SUFFICIENTLY AHEAD OF PIPE - LAYING TO REVEAL ANY OBSTRUCTIONS. THE WIDTH OF THE TRENCH SHALL BE THE INSIDE PIPE DIAMETER PLUS 24 INCHES FOR 12 INCHES ABOVE THE PIPE. SHEET AND BRACE TRENCH AS NECESSARY TO PROTECT WORKMEN AND ADJACENT STRUCTURES. ALL TRENCHING TO COMPLY WITH OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION STANDARDS. KEEP TRENCHES FREE FROM WATER WHILE CONSTRUCTION IS IN PROGRESS, UNDER NO CIRCUMSTANCES LAY PIPE OR APPURTENANCES IN STANDING WATER. CONDUCT THE DISCHARGE FROM TRENCH DEWATERING TO DRAINS OR NATURAL DRAINAGE CHANNELS. F. SPECIAL SUPPORTS: WHENEVER, IN THE OPINION OF THE ENGINEER, THE SOIL AT OR BELOW THE PIPE GRADE IS UNSUITABLE FOR SUPPORTING SEWERS AND APPURTENANCES SPECIFIED IN THIS SECTION, SUCH SPECIAL SUPPORT, IN ADDITION TO THOSE SHOWN OR SPECIFIED, SHALL BE PROVIDED AS THE ENGINEER MAY DIRECT, AND THE CONTRACT WILL BE ADJUSTED. G. BACKFILLING: FOR DEPTH OF AT LEAST 12 INCHES ABOVE THE TOP OF THE PIPE, BACKFILL WITH EARTH OR GRANULAR MATERIAL FREE FROM LARGE STONES, ROCK FRAGMENTS, FOOTS OR SOD TAMP THIS BACKFILL THOROUGHLY TAKING CARE NOT TO DISTURB THE PIPE. FOR THE REMAINING TRENCH DEPTH, BACKFILL WITH EARTH OR GRANULAR MATERIAL CONTAINING STONES OR ROCKS NOT LARGER THAN 4 INCHES. BACKFILL UNDER WALKS, PARKING AREAS, DRIVEWAYS AND STREET SHALL BE GRANULAR MATERIAL ONLY - THOROUGHLY COMPACTED BY APPROVED METHODS. TRENCHES PARALLEL TO AND WITHIN 5 FEET OF PAVED ROADWAYS SHALL ALSO BE CONSTRUCTED WITH COMPACTED GRANULAR MATERIALS. NOTE: BACKFILL BETWEEN STORM WATER DETENTION BARRELS MAY BE DELIVERED BETWEEN BARRELS WITH USE OF A CONVEYOR (BALLAST) TRUCK TO MINIMIZE OVER RUNNING OF EXPOSED BARRELS. H. MANHOLE INVERTS: CONSTRUCT MANHOLE FLOW CHANNELS OF CONCRETE, SMOOTHLY FINISHED AND OF SEMICIRCULAR SECTION CONFORMING TO THE INSIDE DIAMETER OF THE CONNECTING SEWERS. MAKE CHANGES IN SIZE OR GRADE GRADUALLY AND CHANGES IN DIRECTION BY TRUE CURVES. PROVIDE SUCH CHANNELS FOR ALL CONNECTING SEWERS AT EACH MANHOLE. i. SUBDRAINS: ALL SUBDRAINS ON -SITE SHALL BE OF THE SIZE AS SHOWN AND SHALL BE PLACED AS SHOWN ON THE PLANS. THEY SHALL BE CONSTRUCTED TO THE GRADES AS SHOWN ON THE PLANS. J. JILITIES: IT SHALL BE THE RESPONSIBILITY OF EACH CONTRACTOR TO VERIFY ALL EXISTING UTILITIES AND CONDITIONS PERTAINING TO HIS PHASE OF THE WORK. IT SHALL ALSO, BE THE CONTRACTORS RESPONSIBILITY TO CONTACT THE OWNERS OF THE VARIOUS UTILITIES BEFORE NORK IS STARTED. THE CONTRACTOR SHALL NOTIFY IN iNRITING THE OWNERS OR THE ENGINEER OF ANY CHANGES, ERRORS OR OMISSIONS FOUND ON THESE PLANS OR IN THE FIELD BEFORE WORK IS STARTED OR RESUMED. 4. QUALITY CONTROL A. CONTRACTOR SHALL CONTACT 'RANCOR' BEFORE CONSTRUCTION 3EGINS. MANUFACTURER'S REPRESENTATIVE SHALL BE ON SITE 4T BEGINNING OF CONSTRUCTION FOR REQUIRED FIELD DBSERVATION. B. NANUFACTURER'S REPRESENTATIVE SHALL VISIT SITE A MINIMUM )F 2 VISITS, ONCE AT START OF CONSTRUCTION AND ONCE DURING INSTALLATION OF PIPING, 5 4 4 I 3 PAVING 1. SCOPE OF WORK THE WORK REQUIRED UNDER THIS SECTION INCLUDES ALL EXTERIOR CONCRETE AND BITUMINOUS PAVING AND RELATED ITEMS NECESSARY TO COMPLETE THE WORK INDICATED ON DRAWINGS AND DESCRIBED IN THE SPECIFICATIONS, INCLUDING BUT NOT LIMITED TO ALL DRIVES, PARKING AREAS IN CONTRACT LIMITS CURBS AND GUTTERS SIDEWALKS AND CONCRETE SLABS, EXTERIOR STEPS 2. MATERIALS A. CONCRETE: CONCRETE SHALL BE READY -MADE AND SHALL BE A MIX OF PROPORTIONED FINE AND COARSE AGGREGATES WITH PORTLAND CEMENT AND WATER. MINIMUM CEMENT CONTENT SHALL BE 6 BAGS PER CUBIC YARD OF CONCRETE AND MAXIMUM WATER CONTENT SHALL BE 5.5 U.S. GALLONS PER SACK OF CEMENT, INCLUDING MOISTURE IN THE AGGREGATE. SLUMP FOR NORMAL WEIGHT CONCRETE SHALL BE A MAXIMUM OF 4 INCHES AND A MINIMUM OF 2 INCHES. THE SLUMP OF MACHINE PLACED CONCRETE SHALL BE NO LESS THAN 1 - 1/4 INCHES NOR MORE THAN 3 INCHES. STANDARD TEST ASTM C -143 SHALL BE USED TO MEASURE SLUMP. MINIMUM COMPRESSIVE STRENGTH OF CONCRETE AT 2d DAYS SHALL BE 4000 PSI ALL EXTERIOR CONCRETE SHALL HAVE AIR ENTRAINMENT OF 5% TO 8% BY VOLUME PER ASTM C -260. RETEMPERING OF DELIVERED CONCRETE WILL NOT BE ALLOWED. CONCRETE SHALL BE COMPOSED OF: 1. PORTLAND CEMENT: CONFORMING TO ASTM C-150, TYPE IA OR TYPE IIIA. 2 AGGREGATES. CONFORMING TO ASTM C -33. vATER: SHALL BE '­EAR AND FREE FROM INJURIOUS AMOUNTS OF OILS, ACIDS, ALKALICS ORGANIC MATERIALS OR OTHER DELETER10_S SUBSTANCES. B A LDED STEEL WIRE FABRIC WHERE REQUIRED FOR CONCRETE REINFORCEMENT SHALL CONFORM TO ASTM A185 C PREMOULDED JOINT FILLER SHALL BE NON- EXTRUUINC TYPE MEETING ASTM D -544, EXCEPT THAT PREMOULDED .;OINT FILLER USED IN CONCRETE NAi K CONSTRUCTION MAY BE EITHER NON - EXTRu ^DING OR RESILIENT O�S PAVEtv1tNT I,+A;rR,A_S ALL MATERIALS PROPOSED r r 'HE CONSTRUCTICI� OF 9,TJMINOUS PAVEMENTS SMALL COMPLY WiTn TnE INDIANA DEPARTMLl,T OF TRANSPORTATION SPECIFICATIONS. E. COMPACTED A CREOATE SuB -BASE. SHALL BE STONE OR GR" c- SHLL, '�RA,,EL SHALL_ BE A MINIMUP.1 CF 357. CRUSHED MATERIAL FJ4ES SHALL BE .iMITED TO A MAXIMUM OF 8% OF THE TOTAL MATERIAL SHAL_ BE FREE FROM AN EXCESS OF FLAT, ELONGATED, THINLY LALIINATED SOFT OR DI ;INTEGRATED PIECES, AND SHALL BE FREE FROM FRAGMENTS COATED WITH GIRT COMPACTED AGGREGATE SHALL BE GRADED AS FOLLOWS: PER LATEST REVISIONS. SIEJE SIZE 7. r✓ASSING 100 1 80 -100 3 -4" 79 -90 1/2" 55 -80 $4 35 -6u^ N8 25 -50 #5G 12 -30 #200 5 -10 3 APPLICATION A. GRADINC DO ANY NECESSARY GRADING IN ADDITION TO THAT PERFORMED IN ACCORDANCE WITH EARTHWORK SECTION, TO BRING SUBGRADES, AFTER FINAL COMPACTION, TO THE REQUIRED GRADES AND SECTIONS FOR SITE IMPROVEMENT. B PREPARATION OF SJB- GR40E: REMOVE SPONGY AND C T HERwISE UNSUITABLE ',!ATERIAL AND REPLACE KITH STABLE MATERIAL. NO 'RAFFIC WILL BE ALLOWED ON PREPARED SUB -GRADE PRIOR TO PAVING. C. COMPACTION OF S�_.B- GRADE: THE FIRST 6 INCHES BELOW THE SUB- GRADE S•A:L BE COMPACTED TO AT LEAST 1007. OF THE MAXIMUM DRY DENS�TY AS DETERMINED BY THE PROVISIONS OF AASHTO T -9c HATER SHALL BE PREVENTED FROM STANDING ON THE COMPACTED SUB -GRADE D. UTLITY STRUCTURES: CHECK FOR CORRECT ELEVATION OF ALL MANHOLE COvERS, INLETS VALvE BOXES AND SIMILAR STRUCTURES LOCATED WITHI', AREAS TO BE PAVE[; AND "MARK, OR HAVE MADE ANY NECESSARY ADJUSTMENTS IN SUCH STRUCTURES. PL'+GNC CONCRETE. 1. SLB -GRADE PLACE CONCRETE ONLY ON A MOIST, L; r,IPA^TEO SuB -GRACE OF BASE FREE FROr.+ LOOSE MATERIAL PLACE NO CONCRETE ON A MUDDY O7^ FROZEN SUB -GRADE 2. FORMS ALL FORMS SHAL- BE FREE FROM WARP, TIGHT ENOUGH TO PREVENT LEAKAGE AND SUBSTANTIAL ENOUGH TO MAINTAIN THEIR SHAPE ArD POSITION WITHOUT SPRINGING OR SETTLING, WHEN CONCRETE IS PLACED FOR%IS SHALL. BE CLEAN AND SkAUOTH .M ",IEDIATELY BEFORE CC!'ICRETNG 3. PLACING CONCRETE CONCRETE SHALL BE DEPOSITED SO AS I REQUIRE AS LITTLE HA ".LUNG AS PRACTICABLE. WHEN CONCRETE IS TO BE PALED AT AN ATMOSPHERIC TEMPERATURE OF 35 DEGREES F, OR LESS, PARAGRAPH 702 10 OF THE INDIANA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS, LATEST RE:.SION SHALL BE FOLLOWED, F. CONCRETE CURB AND GLITTER 1. EXPANSION JOINTS: SHALL_ of 1 12 INCH THICK PREMOULDED AT ENDS OF ALL RETURNS AND A t,IAX:MuM SPACING OF 100 FEET. 2. CONTRACTION JOINTS UNLESS OTHERWISE PROvIDEC, CONTRACTION JOINTS SHALL BE JOINTS SPACED 10 FEET ON CENTER. 3. FINISH: TAMP AND SCREED CONCRETE AS SOON AS PLACED, AND FILL ANY HONEYCOMBED PLACES. FINISH SQUARE CORNERS TO 4 INCH RADIUS AND OTHER CORNERS TO RADII SHOWN, G. CONCRETE WALKS AND Ex I ER OR STEPS: I SLOPES PROVIDE 1/4 NCH PER FOOT CROSS SLOPE MAKE ADJUSTMENTS IN SLOPES AT WALK INTERSECTIONS AS NECESSARY TO PROVIDE PROPER DRAINAGE. 2. C IAENSIONS. WALKS ANC STEPS SHALL BE ONE COURSE CONSTRUCTION AND OF WIDTHS AND DETAILS SHONN ON THE DRAWINGS 3. FINISH SCREED CONCRETE AND TROWEL WITH A STEEL TROWEL TO A HARC DENSE SURFACE AFTER SURFACE WATER HAS CISAPPEARED. APPLY MEDIUM BROOM FINISH ANO SCRIBE CONTROL JOINTS AT 6 FOOT SPACING, PROVIDE 112 EXPANSION JOINTS WHERE SIDEWALKS INTERSECT, AND AT A MAXIMUM SPACING OF 48 FEET BETWEEN EXPANSION JOINTS. H. CURING CONCRETE EXCEPT AS OTHERWISE SPECIFIEC, CURE ALL CONCRETE BY ONE OF THE METHODS DESCRIBED IN SECTION 501.17 OF THE INDIANA DEPARTMENT CF TRANSPORTATION SPECIFICATIONS, LATEST REVISION. S 2 I. BITUMINOUS PAVEMENT: HOT ASPHALT CONCRETE PAVEMENT SHALL BE AS SPECIFIED IN SECTION 403 OF THE INDIANA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS, LATEST REVISIONS. PAVING WILL NOT BE PERMITTED DURING UNFAVORABLE WEATHER OR WHEN THE TEMPERATURE IS 40 DEGREES F. AND FALLING. J. COMPACTED AGGREGATE SUB -BASE: THE THICKNESS SHOWN ON THE DRAWINGS IS THE MINIMUM THICKNESS OF THE FULLY COMPACTED SUB -BASE: COMPACTION SHALL BE ACCOMPLISHED BY ROLLING WITH A SMOOTH WHEELED ROLLER WEIGHING 8 TO 10 TONS. COMPACT TO 95% COMPACTION USING STANDARD TESTING PROCEDURES ALONG CURBS, HEADERS AND WALLS AND AT ALL PLACES NOT ACCESSIBLE TO THE ROLLER, THE AGGREGATE MATERIAL SHALL BE TAMPED WITH MECHANICAL TAMPERS OR WITH APPROVED TAMPERS. 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