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HomeMy WebLinkAbout04110005.35GENERAL NOTES: 1. All storm sewers shall be constructed with reinforced concrete pipe Class III or as noted and conform to A.S.T.M. C -76 or latest revision. All manholes shall be precast concrete construction in accordance with State of Indiana Specifications and shall have Type "A" cast iron ring and cover. 2. Joints in sewer pipe shall conform to A.S.T.M. Specification C -425 or latest revision. 3. Sewer pipe shall be bedded in accordance with detail shown. Sewer trenches shall be kept free of all water. Do not allow water or mud to enter the sewer. 4. All pipe or drainage structures in trenches under paved surfaces and within 10 feet of the pavement shall be backfilled with granular material and compacted by approved methods. 5. No roof drains, footing drains and / or surface water drains may be connected to the sanitary sewer system, including temporary connections during construction. 6. Sewers crossing mains shall be laid to provide minimum distance of 18 inches between the outside of the water main and the outside of the sewer. This shall be the case where the water main is either above or below the sewer. The crossing shall be arranged so that the sewer joints will be equidistant and as for as possible from the water main joints. Where a water main crosses under a sewer, adequate structural support shall be provided for the sewer to prevent damage to the water main. When it is impossible to obtain proper horizontal and vertical separation as stipulated above, the sewer shall be designed and constructed equal to water pipe and shall be pressure tested to assure watertightness prior to backfilling. 7. Water mains shall be of ductile iron Class 350 cement lined pipe, unless otherwise noted in the plans. A. Water lines shall be of ductile iron pipe, Class 50 cement line water works grade. B. Stop shall be those manufactured by Ford or Mueller Corporation with AWWA taper thread, and with copper compression type fitting on outlet, or equal. C. Blow -off valves shall be those manufactured by Mueller Corporation (HO10283 or H- 10291), or equal. D. Angle valves at the end of water service stub are to be copper compression type fitting also, and are to be protected with plastic bay over the valve. E. 3/4" taps in lines smaller than 4 inches shall be only by tapped tee or tapping saddle. Water service lines should be marked on curbs with blue paint. (Sewer lateral locations - red). 8. All water mains to be pressure tested for leakage and sterilized in accordance with directions from Carmel Water Department. Time for Longer Length. S 9. No traffic will be allowed on prepared subgrade prior to paving. -__ 10. All street construction within the lines of dedicated right -of -way shall be in accordance with the Specifications of Hamilton County Highway Department. 11. Property line corners of street intersections are rounded by an arc having o 15' radius. Property lines drawn hereon are carried to the P.I. of the arc. 3:_46 12. A temporary seeding mixture in the areas where stripping of fills have been graded shall be seeded for silt and erosion protection. After grading all construction areas are to be seeded as follows: 3:46 A, Swale seeding : Seed and fertilize within construction limits with 5# /acre "Redtop" grass, 20# /acre "Rye Grass ", 20# /acre "Blue Grass ", 25# /acre "Tall Fescue" grass, and 600 # /acre 12 -12 -12 fertilizer. 5:40 B. Cut /Fill Seeding Along Paved Areas: Seed and fertilize with 25# /acre "Tall Fescue" grass, 20# /acre "Rye Grass ", 15# /acre "Blue Grass" and 600# /acre 12 -12 -12 fertilizer. 5:42 13. The location of houses (depicted by rectangles) show the pad elevation and /or outside grade. The finished floor elevation is 8 inches higher, more or less than the outside grade. 14. 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 and /or the engineers of any changes, errors, or omissions found on these plans or in the field before work is started or resumed. 15. All drainage pipe and ditch outfolls to receiving streams shall be constructed in accordance with drawings, subject however, to any modification required by the City of Carmel at the time installation is completed and to any adjustments needed for field conditions that could not be anticipated on the design drawings. 16. Contractor to record dimensions measured along sewer line from nearest manhole to each sanitary sewer lateral. 17. Contractor to record dimension of each water stub from nearest fire hydrant measured along the water main. 18. The above locations of laterals, along with any other construction changes are to be incorporated on the original construction drawings and record drawings submitted to the City Engineer's Office as soon after completion of construction as possible. 19. Contractor shall verify subsurface conditions prior to bidding. 20. "The engineer and /or owner disclaim any role in the construction means and methods associated with the project as set forth in these plans." DUCTILE IRON PIPE SPECIFICATIONS o. Material: Ductile Iron Pipe in diameters from eight (8) inches through thirty six (36) inches shall be centrifugally cast and shall conform to ANSI Specifications A21.51 and AWWA C -151, latest revision. Ductile Iron Pipe shall be Class 50, 51, 52, or 54 wall thickness dependent upon site conditions and provided in minimum laying lenghts of eighteen (18) feet. b. Fittings: Fittings shall be standardized for the type of pipe and joint specified and shall comply with ANSI A- 21.10, AWWA C -110. c. Joints: Mechanical joints, slip or flanged joints shall be provided. Mechanical joints and accessories shall conform to AWWA Standard C -111, ANSI A- 21.11. The bolts and nuts shall be corrosion resistant high strenght alloy steel. The 0 -ring gaskets sealing the slip joint shall be made of rubber of special composition having a texture to assure a watertight and permanent seal and shall be the product of a manufacturer having at least five (5) years experience in the manufacuter of rubber gaskets for pipe joints. The gasket shall be a continous ring of flexible joint rubber of a composition and texture which is resistant to common ingredients of sewage, industrial wastes and groundwater; and which will endure permanently under the conditions likely to be imposed by this service. The gasket shall conform to the requirements of AWWA C -111 (ANSI A- 2111). Flanged joints shall be manufactured with laying dimesions, facing and flange detailed in accordance with AWWA Standard C -115 (ANSI A21.15) Class 125. SECTION 02730 - SANITARY SEWER 1. Standard specifications of the District and Indiana Department of Transportation shall apply for all work and materials. Pipe shall be installed in accordance with Section 715. 2. Sanitary sewer pipe shall be PVC in accordance with ASTM D -3034 (S.D.R. 35) and ASTM 2321. PVC pipe shall have grooved bell and gasket. The pipe shall be made of PVC plastic having a cell classification of 124548. 3. PVC sewer fittings shall conform to the requirements of ASTM D- 3034 -89 specification. Fittings in sizes through 8" shall be molded in one piece with elastomeric joints and minimum socket depths as specified in sections 6.2 and 7.3.2. Fittings 10" and larger shall be molded or fabricated in accordance with section 7.11 with manufacturers standard pipe bells and gaskets. Wall thickness of fittings shall be SDR 26 as defined in section 7.4.1 of specifications. Gaskets for elastomeric joints shall be molded with a minimum cross - sectional area of 0.20 square inches and conform to ASTM F -477 specification. Fittings shall be manufactured by Harco or equal. 4. All sanitary manholes shall be precast concrete manholes in accordance with ASTM C -478 and Section 720. 0 -rings shall conform to C -443. Kent Seal or equivalent shall also be applied to all joints and between riser rings and castings. Manhole step spacing shall be no more than 16- inches. Manholes shall be air tested for leakage in accordance with ASTM C1244 -93, Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test. A. Installation and operation of vacuum equipment and indicating devices must be in accordance with manufacturers recommendations and performance specifications which have been provided by the manufacturer and accepted by the Engineer. The vacuum equipment must be capable of testing the entire manhole, including the casting and riser rings. B. With the vacuum tester set in place: 1. Connect the vacuum pump to the outlet port with the valve open. 2. Draw a vacuum of ten (10) inches of Hg. and close the valve. C. Accepted standards for leakage will be established from the elapsed time for a negative pressure change from ten (10) inches to nine (9) inches of mercury. The maximum allowable leakage rate for a four (4) foot diameter manhole must be in accordance with the following: Minimum Elapsed Time for a Manhole Depth Pressure Change of 1 Inch Hg 10 feet or less 60 seconds >10 feet but <15 feet 75 seconds >15 feet but <25 feet 90 seconds For manholes five (5) feet in diameter, add an additional fifteen (15) seconds and for manholes six (6) feet in diameter, add an additional thirty (30) seconds to the time requirements for four (4) foot diameter manholes. For all manholes deeper than twenty -five (25) feet, the Engineer will determine the applicable minimum elapsed time. D. If the manhole fails the test, necessary repairs must be made and the vacuum test and repairs must be repeated until the manhole passes the test. E. If manhole joint sealants are pulled out during the vacuum test, the manhole must be disassembled and the joint sealants replaced. F. Manholes will be subject to visual inspection with all visual leaks being repaired. 5. Butyl rubber coating shall be applied around each manhole joint from 5- inches above to 6- inches below each joint. The appropriate primer shall be applied prior to applying the rubber coating. Inside joints to be filled with precoat plug material. 6. The manhole chimneys, including all riser rings shall be sealed using Infi- Shield Uniband or approved equal. Prior to placement, the top 4- inches of the manhole cone and casting frame shall be cleaned and primed. The Uniband shall extend from 3- inches below the top of the cone section to 2- inches over the flange of the manhole casting frame. - The casting elevations are set by plan. However, the castings are to be adjusted in the field by the Engineers representative should a discrepancy occur between plan grade and existing grade. New manhole ring and cover shall be installed to establish grade. Maximum height of adjusting rings shall be 12- inches. 8. Backfill around all structures and all cuts under paved areas with granular material. Trenches opening within 5 -feet of paved roadways shall be backfilled with granular material in accordance with Section 211. Backfill under sidewalks shall be granular, unless the walks are constructed a minimum of 6 months after backfill has been in place. 9. The Contractor shall be responsible for verifying that all state highways, city, and county permits have been obtained by the developer prior to start of construction. 10. The Contractor shall be required to furnish the developer ' s Engineer with a set of prints, marked in red pencil, showing actual sewer location and invert, to include lateral location, depth and length. Such asbuilt prints must be received by the Engineer before the final contract payment can be authorized. The sanitary sewer laterals and stubs termination shall be indicated on the surface with a metal fence post set immediately above the said termination point. 11. All sanitary sewer lines upon completion will be required to pass a low pressure air test. Said test shall be conducted according to ASTM 1417 -92, and shall be witnessed by an Engineer and a representative of the District. The testing shall be in accordance with Table 1. Add 0.5 psig for each foot of water above the sewer line being tested. 12. Deflection tests shall be performed on all flexible- pipe after the final backfill has been in place at least 30 days. No pipe shall exceed a vertical deflection of 5% deflection test results. (*The following are considered non - flexible pipes: concrete pipe, ductile iron pipe, and cast iron pipe). The deflection test shall be performed with a nine -point mandrel. Proving rings shall be available. 13. All mandrel testing shall be observed by a professional engineer representative for certification and a representative of the District. 14. The ends of laterals are to be plugged tight with a braced plastic disc or cap capable of withstanding a low pressure air test without leakage. 15. Bedding for flexible pipe shall be No. 8 crushed stone from 6- inches below the pipe to 12- inches above the pipe. Bedding for rigid pipe shall be No. 8 crushed stone from 6- inches below the pipe to the spring line of the pipe and from this point to 12- inches above shall be fill sand or equivalent. Manholes shall be placed on no less than 5- inches of No. 8 crushed stone bedding. 16. Water and sewer line crossings and separations shall be in accordance with 327 IAC 3 -6 -9, 17. Trench shall be opened sufficiently ahead of pipe laying to reveal obstruction, and shall be properly protected and /or barricaded when left unattended. 18. No water shall be permitted to flow into the sanitary sewer system during construction. Contractor shall utilize a pump to keep the water level below the pipe. Pump discharge shall be directed to a storm outlet in accordance with state and federal laws and regulations (3271AC 3- 6 -20). Any pipe entering existing sewers shall be plugged with screw type mechanical, braced plug until such time as all tests on the sewers hove been completed and the lines have passed all punch lists. 19. All sewer laterals installed by the mainline Contractor shall be bedded the some as the main line sewer. 20. Forty -eight (48) hours notice shall be given to the District prior to the start of sewerconstruction. Also, 48 hours notice shall be given prior to doing any testing on the sewer. 21. Manhole castings shall be stamped SANITARY SEWER (Neenah Costing R 1642A or equal) and be self - sealing type. The casting flange shall be 34 inches and the clear opening shall be 24 inches. Waterproof castings shall be Neenah R- 1916 -F1 and stomped SANITARY SEWER. 22. The minimum slope for sewer acceptance by the Clay Township Regional Waste District are: Size of Pipe Minimum Constructed Slope 8 -inch 0.40% 10 -inch 0.28% 12 -inch 0.22% 15 -inch 0.15% 18 -inch 0.12% 23. The Contractor shall provide measurements of the slope of the sewer for each manhole section as construction progresses. Such measurements shall be certified by a Registered Land Surveyor or Engineer and be available on -site for observation by the District ' s Inspector. No more than three manhole sections can be constructed in advance of such measurements. 24. In the event the Contractor does not meet the minimum slopes, the sewer section and any other affected sewer sections shall be reconstructed to meet such minimum slopes. 25. Laterals are to be traced with a minimum size of 14 gauge wire from the wye to the terminus. The contractor for the building or home will extend the wire from this terminus to the building cleanout adjacent to the building. TABLE 1 TABLE I MINIMUM SPECIFIED TIME REQUIRED FOR A 1.0 psig DROP FOR SIZE AND LENGTH OF PIPE INDICATED Pipe Diameter In. Minimun�ength Time. mm:S for Minimum Time, ft Time for Longer Length. S -� Specification Time for Length (L) Shawn, znni;s lUU it 150 ft 200 ft 250 ft 300 ft 35o ft 400 ft 1�0 ft -__ _ EAST JORDAN 1045Z2 4 3:48 597 0.360 L 3:46 3:_46 3 :46 -3;46 3 :46 3`.46 3:46 3:46 6 J:40 386 0.854 L 5:40 5:40 5:40 5:40 540 5:40 5:42 6 :24 8 _____298 OR SINGLE ROW OF 1" KENT SEAL 1.520 L 7:34 7:34 7:34 7:34 7:36 8:52 IO:UB 11:24 10 8:26 239 2.374 L 9:28 9:28 9 :28 9:63 11:52 13:51 15:4 17:48 - 12 11:20 199 3.418 L 11:20 11:20 _ 11:24 14 :15 17,05 1!x:58 22:47 25:38 16 14:10 158 5.342 L 14:10 14:10 17:48 22 :15 6" MIN. COMPACTED #8 STONE 31:09 35:36 40:04 18 17:00 133 7.682 L 17:00 19:13 25:38 32:03 _26:42 26 :27 - 44:2 51:1.6 57.1 21 24 19:50 22 :4U 114 89 10.470 L 13.674 I. 18:60 22:47 -26 :10 34:11 34:54 45;34 43 :37 56:58 52:21 - 68.22 61:00 79:46 6t >:�FB� 91:10 - 78 :31 102:33 27 25:30 88 17.306 I, 28:51 43:16 57:41- 72:07 86 �2 100;57 11:22 129:48 30 28:20 80 21.388 L 96:37 53 :26 71:13 89:02- 108:50 124:38 142:25 160:15 331:10 72 25.8521. 49:05 64:3-81-!V: 0 107:49 129 :18 150:43 172:21 193:53 34: 00 86 30.788 L 61:17 - -- 76:55 102:12 m. 128:12 153:80 179:29 205:07 230:46 S.,Le�aliSaiiitat)SCINerSpccificiitionsTablc October 30. 2001 BACKFILL 3,000 P.S.I CONCRET Y_42. aT"fi nnhole Frame slid Lid IZwq ❑t% r�' 5 re-, e r� b 'w-r 1a aFFIicat cn. 4' 4■ ti MANHOLE CASTING SCHEDULE MANUFACTURER SELF SEALING WATERTIGHT NEENAH R -1642A R- 1916 -Fl EAST JORDAN 1045Z2 1045WT CASTING SHALL BE EITHER SELF - SEALING OR WATERTIGHT, (SEE PLAN & PROFILE SHEETS FOR CASTING TYPE). LIDS SHALL BE STAMPED "SANITARY SEWER" AND HAVE CLOSED PICKHOLES. FRAME SHALL BE SET ON DOUBLE ROW OF 1/2" KENT SEAL, OR SINGLE ROW OF 1" KENT SEAL (SEE MANHOLE CASTING SCHEDULE). FINISH GRADE MANUFACTURER .................. WATERTIGHT Lo PRECAST CONCRETE ADJUSTING RING iv X 24" O W ZQ : J O \ DIA. DOUBLE ROW OF KENT SEAL \ CSI MANHOLE STEPS PER SPECS INFISHIELD "UNIBAND" cA� •. 6 O INTERIOR JOINTS AND LIFT HOLES BUTYL RUBBER SHALL BE SEALED WITH NON - SHRINK 0 • ............::F�'�.�' GROUT PER SPECS, NO GROUT ABOVE Z Q TOP OF CONE SECTION Q L_ SET BARREL JOINTS WITH RUBBER TYPE GASKET EQUAL J TO ASTM C -443 AND ON DOUBLE ROW OF Yz" KENT SEAL OR SINGLE ROW OF 1" KENT SEAL a Q0 MANHOLE REINF. PER ASTM SPECS li I 00 W I` PIPE DIA. PER PLAN & PROFILE N I Z O O BENCHWALL SHALL BE CLASS "B" CONC. / V D GD BENCHWALL HEIGHT SHALL BE 80% OF PIPE DIA. Z MANHOLE TO PIPE CONNECTION BOOTS, INCLUDING Ld LATERALS, SHALL BE A -LOCK, DURA SEAL OR 0 LO APPROVED EQUAL. PRESS -SEAL, KOR -N -SEAL AND Z_ OTHER FLEXIBLE BOOTS SHALL NOT BE USED IN ch Ln I MANHOLES WITH PIPE INVERT DEPTHS OF 14 FT. OR _J p> GREATER. 4' -0" 6" MIN. COMPACTED #8 STONE I. D. ° Z � SANITARY MANHOLE - TYPE "A" Q z NOT TO SCALE 1. CONCRETE OR STONE BEDDING TO EXTEND TO UNDISTURBED TRENCH WALLS. 2. FOR TRENCH WIDTH, REFER TO SPECIFICATIONS. 3. FOR PIPE DIA., REFER TO PLAN AND PROFILES. TRENCH WIDTH TRENCH WIDTH --I BACKFILL COMPACTED z GRANULAR 2 MATERIAL io 3,000 P.S.I. Z CONCRET 2 OAP. 6" MIN. 6" MIN. CONCRETE ENCASEMENT BACKFILL COMPACT #8 STONE CLASS "A -A" TRENCH WIDTH BACKFILL COMPACTI GRANULAF z MATERIAL fV z COMPACT #8 STONE 6" MIN. 6" MIN. FLEXIBLE PIPE BEDDING 6" MIN. 6" MIN. CONCRETE CRADLE CLASS "A" TRENCH WIDTH Z 2 z M io i z 2 to 6" MIN. 6" MIN. RIGID PIPE BEDDING PIPE BEDDING DETAILS NOT TO SCALE FINISH Gf " ^- INFI "UNI BUTYL RL a H r a I- ch AS)LAIN SECTION A -A FLOW A 1 Y m I Ln cn Z Z o M cn M o w r � Z Z 0 a a- 0 X Y Q o w Q N � r U J -Z w \_ v m V) Z °\ COVER AND SEAL END OF LATERAL PROPERTY OR EASEMENT LINE 6 "0 LATERAL MAIN SEWER LINE NOTES: 1. PIPE BEDDING FOR LATERALS SHALL BE THE SAME AS FOR MAIN LINE SEWER. 2. NORMAL GRADE FOR LATERALS SHALL BE 1/4" PER FOOT. 3. MINIMUM GRADE FOR LATERALS SHALL BE 118" PER FOOT. 4. ALL FITTINGS SHALL BE SDR 26. 5. DEPTH AT PROPERTY LINE TO BE APPROX. 5 FEET BELOW ESTABLISHED GRADE EXCEPT WHERE MAIN LINE GRADE FIXES SHALLOWER DEPTH OR WHERE BASEMENTS DICTATE A GREATER DEPTH. 6. MARK END OF LATERAL AT PROPERTY LINE WITH A METAL FENCE POST. 7. LATERAL TO BE TRACED WITH #8 GAUGE WIRE FROM THE WYE FITTTING TO THE TERMINUS CAP. LATERAL DETAIL NOT TO SCALE MANHOLE CASTING SCHEDULE MANUFACTURER .................. WATERTIGHT Lo LIL '= R- 1916 -F1 z W� Q C) O W ZQ : J O \ _ Z D Q Z \ CSI F- 2 U) cA� •. 6 O ` �co V 0 • ............::F�'�.�' Q` Z Q Q COVER AND SEAL END OF LATERAL PROPERTY OR EASEMENT LINE 6 "0 LATERAL MAIN SEWER LINE NOTES: 1. PIPE BEDDING FOR LATERALS SHALL BE THE SAME AS FOR MAIN LINE SEWER. 2. NORMAL GRADE FOR LATERALS SHALL BE 1/4" PER FOOT. 3. MINIMUM GRADE FOR LATERALS SHALL BE 118" PER FOOT. 4. ALL FITTINGS SHALL BE SDR 26. 5. DEPTH AT PROPERTY LINE TO BE APPROX. 5 FEET BELOW ESTABLISHED GRADE EXCEPT WHERE MAIN LINE GRADE FIXES SHALLOWER DEPTH OR WHERE BASEMENTS DICTATE A GREATER DEPTH. 6. MARK END OF LATERAL AT PROPERTY LINE WITH A METAL FENCE POST. 7. LATERAL TO BE TRACED WITH #8 GAUGE WIRE FROM THE WYE FITTTING TO THE TERMINUS CAP. LATERAL DETAIL NOT TO SCALE MANHOLE CASTING SCHEDULE MANUFACTURER SELF SEALING WATERTIGHT NEENAH R -1642A R- 1916 -F1 EAST JORDAN 104522 1045WT CASTING SHALL BE EITHER SELF - SEALING OR WATERTIGHT, (SEE PLAN & PROFILE SHEETS FOR CASTING TYPE). LIDS SHALL BE STAMPED "SANITARY SEWER" AND HAVE CLOSED PICKHOLES. FRAME SHALL BE SET ON DOUBLE ROW OF 1/2" KENT SEAL OR SINGLE ROW OF 1" KENT SEAL (SEE MANHOLE CASTING SCHEDULE). PRECAST CONCRETE ADJUSTING RING DOUBLE ROW OF KENT SEAL MANHOLE STEPS PER SPECS INTERIOR JOINTS AND LIFT HOLES SHALL BE SEALED WITH NON - SHRINK GROUT PER SPECS, NO GROUT ABOVE TOP OF CONE SECTION SET BARREL JOINTS WITH RUBBER TYPE GASKET EQUAL TO ASTM C -443 AND ON DOUBLE ROW OF Y2" KENT SEAL OR SINGLE ROW OF 1" KENT SEAL. MANHOLE REINF. PER ASTM SPECS PIPE DIA. PER PLAN & PROFILE BENCHWALL SHALL BE CLASS "B" CONC. BENCHWALL HEIGHT SHALL BE 80% OF PIPE DIA. MANHOLE TO PIPE CONNECTION BOOTS, INCLUDING LATERALS, SHALL BE A -LOCK, DURA SEAL OR APPROVED EQUAL. PRESS -SEAL, KOR -N -SEAL AND OTHER FLEXIBLE BOOTS SHALL NOT BE USED IN MANHOLES WITH PIPE INVERT DEPTHS OF 14 FT. OR GREATER. 6" MIN. CONCRETE ENCASEMENT 6" MIN. COMPACTED #8 STONE 1. D. SANITARY MANHOLE - TYPE "B" NOT TO SCALE V) X z Q 0 0-) to o LLJ > 00 of _ V 0 X Z Q Q L_ J C1� Q0 I 00 W I` Ld I Z O O / V D GD Z Ld 0 LO Z_ F- Ln I _J p> n 00 ° Z � � Q z D Q (n O J ry Fa-- W Ld 7111 D �Z 00 Z H O �Z U<ipE CK H (� Q Z J O U W 2 F- SHEET NO z Q C) z J LLJ Q U cgoo �oB No.48700S1