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Home My WebLink AboutC801 Sanitary Sewer Details-Layout1TYPICAL SANITARY SEWER SPECIFICATIONS TO BE USED FOR PRIVATE SEWER DEVELOPMENT WITHIN CLAY TOWNSHIP REGIONAL WASTE DISTRICT REVISED 3/1/2007 1. Standard specifications of Clay Township Regional Waste District (the District) and Department of Transportation ( INDOT) shall apply for all work and materials. Sanitary sewer pipe shall be installed in accordance with Section 715 of the current INDOT standard specifications handbook. Sanitary sewer gravity pipe, unless pressure rated pipe required per LAC or directional drilled pipe, shall be Polyvinyl Chloride (PVC) in accordance with ASTM D3034 -89 with a minimum wall thickness designation of SDR 35 and installed per ASTM D2321 -89 specification. PVC pipe used shall be grooved bell, spigot end, and gasketed. The pipe shall be made of PVC plastic (raving a cell classification of 1245413. 3. PVC sanitary sewer gravity fittings shall also conform to the requirements of the ASTM D3034 -89 specification. All fittings shall be molded in one piece with standard pipe bells, gasketed elastomeric joints, and spigot ends. Single piece molded PVC with standard pipe bells, g askets , and spigot ends for back -to -back tee wyes are acceptable. Wall thickness of all fittings shall have a minimum designation of SDR 26. Gaskets for W g g elastomeric joints shall be molded with a minimum cross- sectional area of 0.20 square inches and conform to ASTM F477 specification. 4. All sanitary manholes shall be recast concrete manholes in accordance with ASTM C478 Y p and Section 720 of the current INDOT standard specifications handbook. O -rings shall conform to C443. Double row of 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. g g I P g Manholes shall be air tested for leakage in accordance with ASTM C1244 -02, Standard Test t n d for Concrete Sewer Manholes by the Negative Air Pressure Vacuum Test. Melt 0 o S Y € (Vacuum) A. Installation and operation of vacuum equipment and indicating devices must be in I g accordance with manufacturers' recommendations and performance specifications which have been provided b the manufacturer and accepted b the District Engineer. The vacuum equipment must he capable ofresting the mine manhole, including the casting and riser rings. 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. (5 psi) 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: M in inum Elapsed Time for a: Manhole Depth Pressure Change of I Inch Hg 10 feet or less >10 feet but <15 feet >15 feet but <25 feet 60 seconds 75 seconds 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 tine. D. If the manhole fails the test, necessary repairs must be made. The vacuum test and repairs must be repeated until the manhole passes the test. E. 1f 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 with plastic wrap shall be applied around each manhole joint from 3- inclies above to 3- inches below each joint. The appropriate printer shall be applied prior to applying the rubber coating. Inside joints to be filled with precoat plug material. Entire exterior surface of sanitary sewer manholes shall be sprayed with a bituminous coating and all exterior gap exposure of riser rings shall be back plastered or grouted with nonshrink grout. 6. The manhole chimneys, including all riser rings shall be sealed using flex rib internal chimney seal manufactured by Cretex, NPC, or a District approved equal. The flex rib internal chimney seal shall extend from a minimum of 3- inches below the top of the cone section to 3- inches over the manhole casting fame or per manufacturers installation procedures if directed otherwise. Internal Chimney Seal shall be installed after manhole vacuum testing and prior to final acceptance. Water test may be done, per manufacturer or g P p Y 1 Districts recommendation, to provide assurance that internal chimney seal is water tight. 7. The casting elevations are set by plan, however, the castings are to be adjusted in the field by the District's representative should a discrepancy occur between plan grade and existing grade. New manhole ring(s) and cover shall be installed to establish grade. Maximum height of adjusting rings shall be 12 -inch on existing structure adjustment and 10 -inch maximum on new construction. 8. Backtil I around all installed or proposed manhole structures, sidewalks, bike paths and /or all paved areas shall be made with granular material (b- borrow)or No. 8 stone, up to 18- inches below crosssection thickness (which shall include "No. 53" stone depth). If more stringent backfill requirements are set out per city, town, county, or District specifications those standards shall be followed. Trench opening within 5 -feet of the back of the curb of paved roadways, shall be backfilled with granular material or No. 8 stone in accordance with Section 211 of the current INDOT standard specifications handbook. 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. Initial asbuilts shall be presented to the inspecting engineer prior to final submittal to the District for review, otherwise Contractor shall be required to furnish the developer' s Engineer with a set of prints showing actual sewer locations and inverts including lateral location, depth, and length. Such asbuiit prints must be received by the Engineer before the final contract payment can be authorized. Asbui Its shall be submitted per the Districts current standard which can be found at www.ctrwd.org. The sanitary sewer laterals and stubs termination shall be indicated on the surface with a detectable metal post set immediately above the said termination point if full connection is not immediately made. 12. All sanitary sewer lines upon completion will be required to pass a low pressure air test. Said test shall be conducted according to ASTM FI417 -92, and shall be witnessed by a District employee or the Districts representative. The testing shall be in accordance with Table 1 as follows with 0.5 psi being added for each foot of water above the sewer line being tested. Sewer lin es s hall be subject to visual leak inspection at downstream manholes with all visual leaks being repaired and subject to televising requests by the B I subject S 9 Y District. 13. Prior to final deflection test (mandrel test) all mainlines shall be cleaned and free of any debris. Deflection tests shall be performed on all flexible* pipe after the final backfill has P II been in lace at least 30 days. No pipe shall exceed a vertical deflection of 5% deflection P ) pP 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 at time of test otherwise no testing will be allowed. All mandrel testing shall be witnessed by a District employee or the Districts representative. 14. The ends of all laterals are to be plugged water tight with a gasketed cap capable of withstanding a low pressure air test without leakage. Laterals shall be subject to visual leak inspection at downstream manholes with all visual leaks being repaired (5. Bedding for flexible pipe and rigid pipe shall be No. 8 crushed stone from 6- inches below to 12- inches above the pipe. Manholes shall be placed on no less than 6- inches of No. 8 crushed stone bedding. 16. Water line, utility, and legal drain crossings and separations shall be in accordance with the more stringent of the two: 327 IAC 3 -6 -9 or the Districts standard drawings. 17. The 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 (327 IAC 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 and all punch list items are complete. 19. All sewer laterals installed shall be bedded the same as the main line sewer. 20. Forty -eight (48) hours notice shall be given to the District prior to the start of sewer construction. Also, 48 hours notice shall be given prior to doing any testing on the sewer. 21. Manhole castings shall be stamped SANITARY SEWER (Neenah Casting R -1772 or East Jordan 1022ZIGS) and be self - sealing type. The casting flange shall be 34 inches and the clear opening. shall be min. 20- 13/16 inches. Watertight castings shall be bolt - down East Jordan 102221 PT and also stamped SANITARY SEWER. 22. The minimum slope of the sewer shall be: Size of Pipe Minimum Constructed Slope 8 -inch 10 -inch 12 -inch I5 -inch 1 8-inch 0.40% 0.28% 0.22% 0.1500/ 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 installed with a minimum 14 gauge tracer wire from the wye to the terminus. Upon lateral completion the contractor for the building or home will extend the wire from this terminus to the building cleanout adjacent to the building. TABLE 1 MINIMUM SPECIFIED TIME REQUIRED FOR A 1.0 psi DROP FOR SIZE AND LENGTH OF PIPE INDICATED (testing pressure after stabilization no less than 4.0 psi and no more than 8.0 psi) Pipe Diameter In. Minimum Time, mints Length for Minimum Time, ft Time for Longer Length. S Specification Time for Length (L) Shown, mints NEENAH k -1772 ( IwwaLS- EAST JORDAN 100 ft 150ft 200 ft 250ft 300ft 350ft 400ft 450ft 4 3:46 597 0.380 L 3:46 3:46 3:46 3:46 3:46 3:46 3:46 3:46 6 5:40 398 0.854 L 5:40 5:40 5:40 5:40 5:40 5:40 5:42 6:24 8 7:34 298 1.520 L 7:34 7:34 7:34 7:34 7:36 8:52 10:08 11:24 10 9:26 239 2374 L 9:26 9:26 9:26 9:53 11:52 13:51 15:49 17:48 12 11:20 199 3.418 L 11:20 11:20 11:24 14:15 17:05 19:58 22:47 25:38 15 14:10 159 5342 L 14:10 14:10 [7:48 22:15 26:42 31:09 35:36 40:04 18 17:00 133 7.692 L 17:00 19:13 2538 32:03 38:27 44:52 51:16 57:41 21 19:50 114 10.470 L 19:50 26:10 34:54 43:37 52:21 61:00 69:48 78:31 24 22:40 99 13.674 L 22:47 34:11 45:34 56:58 68:22 79:46 91:10 102:33 27 25:30 88 17306 L 28:51 43:16 57:41 72:07 86:32 100:57 115:57 129:48 30 28:20 80 21.366 L 35:37 53:25 71:13 89:02 106:50 124:38 142:26 160:15 33 31:10 72 25.852 L 43:05 64:38 86:10 107:43 129:16 150:43 172:21 193:53 36 34:00 86 30.768 L 51:17 76:55 102:34 128:12 153:50 [79:29 205.07 230:46 MANHOLE CAS11NG SCHEDULE MANUFACTURER MANUFACTURER ELF SEALING WATERTIGHT NEENAH k -1772 ( IwwaLS- EAST JORDAN 0272 GS 1022Z1PT FLEXRIB INTERNAL CHIMNEY SEAL OR APPROVED EOUAL FINISH GRADE SLOPE AWAY 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). ■ w� 4" MINIMUM FLAT SURFACE 1!1 - CCr -r Nair Ijai a.li P Mgt BUTYL RUBBER WITH PLASTIC WRAP COVER d '4 \O AClgf°g,`� 03 O�C,15T£Re =.- O 6 t No. ,q 19300219 ' '3 STATE OF .' � tom§ °'riiiion mtIi 11 pd`. Via. ce-L___ BACK PLASTER PRECAST CONCRETE ADJUSTING RING DOUBLE ROW OF KENT SEAL SPRAYED BITUMINOUS COATING OVER ENTIRE EXTERIOR SURFACE MANHOLE STEPS PER SPECS INTERIOR JOINTS AND LIFT HOLES SHALL BE SEALED WITH NON- SHRINK GROUT PER SPECS SET BARREL JOINTS WITH RUBBER ER TYPE CASKET EQUAL TO A STM AND ON DOUBLE ROW OF SINGLE !4" KENT SEAL OR SNG ROW OF t" KENT SEAL. MANHOLE RUNE. PER ASTM SPECS PIPE DIA. PER PLAN & PROFILE BE N SHALL BE CLASS "8" CONC. C HWAL L BENCHWALL HEIGHT SHALL BE 80% OF PIPE DIA. MANHOLE TO PIPE CONNECTION BOOTS. INCLUDING LATERALS, SHALL BE PRESS -SEAL. KOR -N -SEAL WITH STAINLESS STEEL WEDGE, A -LOK CAST IN PLACE OR APPROVED EQUAL. 6" MIN. CONCRETE ENCASEMENT SEE OUTSIDE DROP DETAIL 6" MIN. COMPACTED q8 STONE DROP MANHOLE DETAIL Schneider CLAY TOWNSHIP REGIONAL WASTE DISTRICT DROP MANHOLE DETAIL Date 12/06/06 File T: \6K\ 6366 \0O1 \DWCS \DETAILS \IN- DTISAWC Date I2 /00/08 Ede T: \6K\ 6366 \001 \bWGS\DETAUS\IN- DTLS.OWG MANHOLE CASTING SCHEDULE MANUFACTURER SELF SEALING LL I c DO R -1772 °ied' rEENAH (- 17722002 -e IwwaLS- I"na] .n 102721 PT ("ACM a W Wig a ay < 32 6 Iwwm].4 .aw (_II .,,c l►_ II -- _,at��lr' -I iQi I Qeiiiq� II to�a+x].0 ---a 0 a ' yy 0 1'�E.,,,I.Y /I K a0 a_ _ d�g =g¢¢ 3EYaat@ O® 1 I I I 11 o g 4w ]Wn g ELI itl 3 a w] I ‘, Schneider CLAY TO SELF "NSHIP REGIONAL WASTE DISTRICT SEALING CASTING DETAIL 1 OF 2 � w' CTRW a Date I2 /00/08 Ede T: \6K\ 6366 \001 \bWGS\DETAUS\IN- DTLS.OWG MANHOLE CASTING SCHEDULE MANUFACTURER SELF SEALING WATERTIGHT NEENAH R -1772 EAST JORDAN 10222135 102721 PT CASTING SHALL BE EITHER SELF - SEALING OR WATERTIGHT, (S PAN & PROFILE SHEETS FOR CASTING TYPE). LIDS ( E L SHALL LE BE STAMPED "SANITARY SEWER" AND HAVE CLO OF 1/ ED KENT SEAL, FRAME SHALL BE SET 1 ON DOUBLE (SEE OF 1/2' KENT SEAL, OR SINGLE ROW OF 1" KENT SEAL (SEE MANHOLE CASTING SCHEDULE). FLEXRIB INTERNAL CHIMNEY SEAL OR APPROVED EQUAL SLOPE AWAY FINISH GRADE 4° MINIMUM FLAT S BUTYL RUBBER WITH PLASTIC WRAP COVER N SPRAYED BITUMINOUS COATING OVER ENTIRE EXTERIOR SURFACE Yt c ■! SURFACE i a\sUJV IIIIIIIU�,(tw OPG15 iEe�y O ND. _ , 19300219 1:1:;";24:C1&& STATE OF 'btu e ,. 1NOIANP G�ac /ONAt.Ii •s`•J Y a et4_ I.D BACK PLASTER PRECAST CONCRETE ADJUSTING RING DOUBLE ROW OF KENT SEAL MANHO LE STEPS PER SPECS INTERIOR JOINTS AND LIFT HOLES SHALL BE SEALED WITH NON- SHRINK GROUT PER SPECS, SET BARREL JOINTS WITH TH RUBBER TYPE GASKET 0 ASTM EQUAL T A AND ON DOUBLE ROW OF C -44 3 Jr KENT SEAL OR SINGLE ROW OF 1° KENT SEAL MANHOLE REINF. PER ASTM SPECS PIP E DIA. PER PLAN & PROFILE E BE N SHALL BE CLASS "B" CONC, C HWA LL BE N HEIGHT SHALL BE 80% OF PIPE DIA. BENCHWALL H E MANHOLE TO PIPE CONNECTION BOOTS. INCLUDING LATERALS, SHALL BE PRESS -SEAL. KOR -N -SEAL WITH STAINLESS STEEL WEDGE, A -LDK CAST IN PLACE OR APPROVED EQUAL. 6 MIN. COMPACTED W8 STONE SANITARY MANHOLE DETAIL Schneider CLAY TOWNSHIP REGIONAL WASTE DISTRICT MANHOLE DETAIL Date 12/06/06 File T: \6K\6366 \001 \DWCS \OFT ITS \IN- DTLS.DWG wTot rI.Wt a p [wwan ?AC -I` -- -II-- O'°`su.Vr - IW°nrs].wt n i 0 M 0 Mkt z KU 4 d a a Schneider CLAY TOWNSHIP REGIONAL WASTE DISTRICT SELF SEALING CASTING DETAIL 20F2 Date 12 /06/06 File T: \6It\6366 \001\ DIGS\DETADS\DW- 4TTS.DWG REVISED PER TAC COMMENTS v, 0 it m co m 0 „10 Epp PT. F .,. No. 19358 -°\ STATE OF 'Rc �r 390 �". Pi K4: NDIAN 2 . G S N rorvn� m CD H o= 0 F O z 0 Z o >a< z Uw 0 Id4 >J ttm -WN>- O Y> z <mm a co Q N z 0 z Z WI O a F-mm <w J� 0 W Z W ar F W m V W �02z< m� 0 0 CERTIFIED: 7 H W J ^W 0 W 0 0) ALWAYS ON 44 co La in Ln en La a J_ 0 TARY SEWER >2 U I O_ (J) 6 O LL Z 0 0 CD U Q J_ HAMILTON COUNTY, INDIANA CLAY TOWNSHIP DRAWN BY: K R G CHECKED BY- BAH SHEE NO. C801 5 & A JOB No 55960PUL