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TYPICAL 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.
2. Sanitary sewer gravity pipe, unless pressure rated pipe required per IAC 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 having a cell classification of 12454B.
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, gaskets, 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
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 precast concrete manholes in accordance with ASTM C478
and Section 720 of the current INDOT standard specifications handbook. 0 -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.
Manholes shall be air tested for leakage in accordance with ASTM C1244 -02, 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 District 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. (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:
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. 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 with plastic wrap shall be applied around each manhole joint from 3-
inches above to 3- 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. 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 frame 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
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. Backfill 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 asbuilt prints must be received by the Engineer before
the final contract payment can be authorized. Asbuilts shall be submitted per the Districts
current standard which can be found at www.ctrwd.org.
11. 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 F1417 -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 lines shall be subject to visual leak inspection at downstream
manholes with all visual leaks being repaired and subject to televising requests by the
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
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 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.
15. 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.
SANITARY SEWER CONSTRUCTION DETAIL
PART OF THE S.E. 1/4, SECTION 35, TOWNSHIP 18 NORTH, RANGE 3 EAST, CLAY
TOWNSHIP, HAMILTON COUNTY, INDIANA
PARCEL NO: 16- 09- 35- 00- 01- 035.002
DOCKET NO: 08120012 ADLS
TYPICAL SANITARY SEWER SPECIFICATIONS (CONT.)
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 1022Z1 GS) 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 boltdown
East Jordan 1022Z1 PT and also stamped SANITARY SEWER.
22. The minimum slope of the sewer shall be:
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 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.
SUMMARY OF LATERAL INSTALLATION REQUIREMENTS
1. All houses, buildings, etc., shall connect to the District's sanitary sewer system within 90 days of notice providing a sewer
iswithin 300 feet for Hamilton County or 100 feet for Boone County of the property line. Only one building may connect to the
sewer main per lateral unless otherwise approved by the District.
2. No foundation or other storm water drains shall be interconnected to the sewer lateral installed and connected to the
District's sanitary sewer.
3. The existing sewer line from the building to the septic tank may only be used if it is located under a building addition, patio,
porch or paved driveway. Air test is required to show if acceptable for re -use. The property owner shall bear the cost of all
testing. The District inspector must be onsite for the duration of the air test.
4. The owner or contractor shall notify the District prior to covering the installed lateral so that the District can make an
inspection to determine compliance with the District's sewer use ordinance. Such notification shall be made 24 hours prior to
the need for the inspection. If the inspection fails and a second inspection is required, or contractor is not on site for
scheduled inspection, or fails to cancel inspection, an additional fee of $100.00 will be due. This must be paid prior to the
time of the follow up inspection.
5. Property owners are hereby advised that the County Board of Health regulates the operation and maintenance of private
sewage disposal (septic) systems. The County Ordinance provides in part that, upon connection to a public sewer, a septic
tank "...shall be abandoned (pumped clean) and filled completely with earthen material or stone in a safe and sanitary
manner." Please contact the appropriate County Board of Health for further information and to notify the department of the
abandonment.
6. Acceptable Pipe Materials:
Clay Township Regional Waste District
10701 North College Suite A.
Indianapolis, Indiana 46280
Phone: 844 -9200 Fax: 844 -9203
PVC PIPE: SDR 35 or SDR 26, ASTM D3034, SIX INCH PIPE
PVC PRESSURE RATED PIPE: SDR 21, ASTM D2241, SIX INCH PIPE
RESTRAINED JOINT PVC PIPE (DIRECTIONAL DRILL): Yelomine SRD 21,
ASTM D2241, SIX INCH PIPE (use only per approval of the District Engineer)
GASKETED JOINTS: ASTM D3212
GASKETS: ASTM F477
FITTINGS: SDR 26 or better (NO fernco's allowed)
DUCTILE IRON MECHANICAL COUPLING WITH PROPER FITTINGS
PRIVATE GRINDER PUMPS ACCEPTABLE PIPE MATERIAL:
HDPE DR11 with Compression Fittings, Mechanical, or Electrofused Joint:
CLEAN OUTS TO BE LOCATED NO MORE THAN THREE FEET FROM =a.
FOUNDATION AND FOR GRAVITY LATERALS NO MORE THAN 100 FEET x
(please see Clean Out Details Type 2 and Type 3 for multiple cleanout Ins -9t €a° ai:
requirements).
7. Bedding:
Use Number 8 crushed stone or Number 8 fractured face aggregate
Number 8 stone backfill material is to be placed from 6 inches below to 12 inches above the pipe
The trench should be a minimum of 18 inches wide (six inches on both sides of the pipe)
8. Laterals shall be installed no closer than 20 feet from water wells unless PVC pressure grade pipe is used meeting SDR 21
and ASTM D2241. Any proposed installation requiring pressure pipe shall be reviewed and accepted by the District and the
District's engineer prior to installation.
9. Where a transition is made between SDR 35 pipe and pressure grade SDR 21 pipe, a ductile iron gasketed mechanical
coupling shall be used.
10. Laterals shall terminate within 3 feet of the building unless the conditions in item #3 above are met. No glued pipe shall be
installed outside three feet of building foundation walls.
11. Additional information on District standards and specifications may be obtained from the District's office during business
hours of 8:00a.m. to 4:30 p.m. Monday through Friday: All District standards can be located on our web site at
http: /www.ctrwd.org
12. Septic effluent shall not be pumped out into the sanitary sewer system.
15. Call before you dig. IUPPS 1- 800 382 -5544, 48 hours prior to digging.
13. The District shall inspect ALL laterals. Please call the District office at 844.9200 24 hours prior to time of inspection
14. Contractors shall lay 14 gauge -solid wire the entire length of the lateral Wire is to be placed on top of the lateral. The
District inspector will verify placement of the wire. After inspection, bedding is to be placed on top.
Date 106 /O6
1R; BOX OR OTHER MIA
ACCEPTABLE TRUCK SAFETY 5t'STE4
1/2 0 I2 ro PVC
1 /20 eFoR
12 STONE AS iEt3316tEEl BY
EWER FOR UNSTABt£
SM.. MUM EEEM TO
STABLE GROW PER DER
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19300219 '1
STATE OF
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Dee 12/06/06
No.
19300219 ff
STATE OF 4.1. f
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Date 12/06/06
BOTTOM OF PIPE
FIRST LAYER BEDDING' PER 'SANITARY SEWER
'WICZINC, BEDDING AND BACKFILI. DETAIL
1 No.
93402
ST o r 19 cs
s MST LAYER
BEOUNG 'lei BELOW
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TEMPORARY
GLUED CAP
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N OTE: A€.T. SLAB AND CRAW#. SPAU,
CONNECTIONS MUST BE A M NIMUM
OF 3" BELOW THE FOOTER AND EXIT
THE BUILDING AT THE FRONT OF
THE STRUCTURE TO PROVIDE THE
SltORTEST, MOST DIRECT ROTE
FROM THE BUILDING TO THE
EXISTING LATERAL STUB..
u 'CLEW BA 3 -MAW.3 L ME o1
ETC iAROER TOM 6" OR OMER EXTR,A1E01.JS
WATER.. PA PACT TO PIZEVENI SETTIM141).
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12 f"S MOW TIC P'€fE
THE MICH SHU.0 EE bettAti Of i8 INCHES 11
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SANITARY SEWER TRENCHING,
BEDDING AND BACKFILL DETAIL
CLAY TOWNSHIP REGIONAL WASTE DISTRICT
SANITARY SEWER BEDDING AND
BACKFILL DETAIL
MAXIMUM G" PVC CAP
3 A
FINAL GRADE
SPRING LINE
FOUNDATION
(FOOTER)
r.. r... 3" MINIMUM
0,10, ,�w rt R N R.- ....K .k. �l...w .s..
I I
4" SEWER
6" MINIMUM. SEE SANITARY
SEWER TRENCHING, BEDDING
AND BACI<FILL DETAIL
FINISHED GRADE
NOTE
CONCRETE SHALL BE HIGH -EARLY YIELD AND
SHALL NOT BE BAC(F1LLE0 UNTIL ENUNEER
DEEMS THE CONCRETE ADEQUATELY CUE)
7!, Y. �R '�j''� .•+f 11 Y.•M
-4X6 RIGID
CLEANOUT TYPE
(OOtY LANDSCAPED SURFACES 1#ITHIN
THREE FEET OF BUILDING)
CLAY TOWNSHIP REGIONAL WASTE DISTRICT
TYPE 1. CLEANOUT DETAIL
1D1.1 OF SEWER TRENCH
CONCRETE CAP DETAIL
CLAY TOWNSHIP REGIONAL WASTE DISTRICT
CONCRETE CAP DETAIL
V P'A'C PIPE
TRACER 1E
(B" X 6" X 6 TEE WYE
•6 'EVER LATERAL
File 001 \DWCS,Dtr €S IN--DT ;LNG
'3500 PSI: CONCRETE
CONTINUOUS
SAN T.ARY DER OR LATERAL
NOTE:
TO BE USED WHEN COVER OVER TOP OF
PIPE IS LESS THAN 4 FEET, PER E' NO`S
DIRECTION OR WHERE NOTED ON THE
CONSTRUCTION PLANS.
File TA6K\ \001\>a Ixs ET Lm --IIIIS.I WG
ALL
NOTE.
TO BC USED W I CITA GSTAiit (fR0l4 f):111466
NAM tO #111404` Apt S$iTARY
R F/P110 (IONS, IATMS, rOtit2 MANS, CM) M
AU CO R MS IS 18 Of LB S. KR ealeses 00500N,
OR WERE ROO ON 1i OOKTRUCTEN Plea A id34
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No
19300219
STATE OF k! CONCRETE CRADLE DETAIL
oN tr _;a�
'Hi61is�
4•10
Schneider
Date 12
HOPE PEE TO EXTEND
MINIMUM 3" ABOVE STONE
2(4 FRATCO HOPE METER PIT;
7,2 LBS/F MIN. 3' DEEP OR EQUAL
6" FROM TOP or PIPE TO BOTTOM
OF METER PIT, CONTRACTOR SHALL
NOT ALLOW METER PIT TO CONTACT
LATERAL/TEE-WYE CONCRETE CAP.
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I No.
19300219
1\440 4444
-a STATE OF Cu
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a 644_
Schneider
D to T? /06/06
NOTE; CASTING SHALT, BE INSTALLED SO THAT
THEY DO NOT CONTACT THE LATERAL OR
LATERAL CAP.
ar VESTAL CASTING WITH 12" LID.
LETTERED 'SEWER CLEANOUT' WITH
PENTAGONAL BOLTAOCX
"Holey M of ey" says,
D0 DIG BL\3"
Call Monday through Friday -7 AM to 6 PM
1 -800 1 -800
382-5544 428-5200
Within Indiana Outside Indiana
PER INDIANA STATE LAW IS -69 -1991, IT IS
AGAINST THE LAW TO EXCAVATE WITHOUT
NOTIFYING THE UNDERGROUND LOCATION SERVICE
TWO (2) WORKING DAYS BEFORE COMMENCING WORK.
CONTRACTOR TO VERIFY THE LOCATION AND SIZE OF
EXISTING UTILITIES PRIOR TO COMMENCEMENT OF CONSTRUCTION
I I Nl1IIIIIIIII,,,,
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No. 10708654'
1 3
APPROVAL PENDING v°
STATE OF
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DATE: /iiis,DINAL i N
NOT FOR CONSTRUCTION
P.E. No. 10708654
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CLAY TOWNSHIP REGIONAL WASTE DISTRICT
CONCRETE CRADLE DETAIL
PVC 1 FINAL GRADE
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CLEANOUT TYPE 3
(GRASS OR LANDSCAPE SURFACES
BEYOND THREE FEET OF BUILDING)
TYPE 3 CLEANOUT DETAIL
TRACER WIRE
11 -19 -08
DATE:
MINIMUM 1" MAXTAUM 4
CLEARANCE FROM TOP OF
CAP TO BOTTOM OF CASTING
6" SEWER LATERAL
CLAY TOWNSHIP REGIONAL WASTE DISTRICT
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A AmE. FROM TOP CF PIPE
TO TOP Or f6 STONE
13" MINIMLM (TAP.)
6" 50R35 PVC PIPE
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