Virginia Ave Sanitary Lateral Install

SPECIFICATIONS FOR SANITARY SEWER
PART 1 GENERAL
1.01 DESCRIPTION OF WORK
This section includes furnishing and installing sanitary sewer (gravity and force main) pipe of
the specified sizes in a trench and includes the construction of manholes, lateral connections
to adjacent properties, valves, air release valves and other appurtenant work, including
excavating, trenching and backfilling, and surface restoration. The work also includes the
necessary clearing, sheeting and shoring, boring and jacking, dewatering, pipe embedment,
and other appurtenant work.
The work must be performed in accordance with the drawings and the MDOT 2020 Standard
Specifications for Construction.
Codes and standards referenced in the following specifications must be the current code or
standard in effect at the time proposals are received.
1.02 SUBMITTALS
A. Submittals shall be the responsibility of the Contractor:
1. Shop Drawings for Review:
a. Manufacturer's Shop Drawings indicating physical dimensions, and
joint details for each size, type, and class of pipe, fittings and specials
furnished for the project.
2. Information for the Record:
a. Manufacturer's certification indicating that the pipe and joints meet
specifications for each production run for each size, type, and class of
pipe furnished. The Engineer may request test results to verify
certification. Certification documents must be according to the Source
Quality Control of this Section.
b. Manufacturer's installation instructions.
c. The laboratory must submit test certifications of pipe ordered tested
under "Field Quality Control", of this Section.
3. Engineer may request additional Shop Drawings or Information for the
Record as required.
4. Requests for approved equals must be submitted to the Engineer for review a
minimum of two (2) weeks prior to bid.
1.03 AS CONSTRUCTED RECORD
A. During construction the Contractor must be required to keep current a set of "as
constructed" drawings. Before final payment can be made, the Contractor must
submit for approval to the City of Kalamazoo the complete set of as constructed
drawings. Each set of "as constructed" drawings must be labeled "As Constructed",
dates, and contain at a minimum the following information (additional information
may be required by the City of Kalamazoo):
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Structures: Pipes: Laterals:
1. Rim Elevations 1. Diameter 1. Address
2. Diameter 2. Length 2. Wye Station
3. Pipe Sizes 3. Material 3. Wye Elevation
Orientation & 4. Slope 4. Property Line Elevation
Invert Elevations 5. Wye Depth
4. Depth of Structure 6. Cleanout Depth
7. Diameter
8. Lead Length
9. Riser Height
10. Distance from DS MH
11. Tie downs of CO and
horizontal bends
PART 2 MATERIALS
All materials furnished by the Contractor must conform to the following specifications. Contractor
must provide certified affidavits of compliance and/or manufacturer strength test reports to the
Engineer upon request.
GRAVITY SEWER
2.01 SEWER PIPE
All sewer pipe must be of the materials and strengths shown on the Drawings or as specified
below.
A. Polyvinyl Chloride (PVC) Solid Wall Pipe
PVC solid-wall pipe less than 18 inches in diameter must conform to the
requirements of ASTM D3034, with a minimum wall thickness equal to a standard
dimension ratio of 35 (SDR-35).
PVC solid-wall pipe 18 inches in diameter and larger must conform to the
requirements of ASTM F679, with a minimum pipe stiffness of 46 psi (PS-46).
Installations over 18 feet deep, based on the average depth of the manholes for each
section of pipe, must utilize SDR-26 or PS-115 pipe.
Pipe must be made of PVC compound having a cell classification of 12454 or 12364
in accordance with ASTM D1784.
B. PVC Composite (Truss Pipe)
PVC Truss Pipe must conform to the requirements of ASTM D2680.
The PVC compound used in the Truss pipe must have a minimum cell classification
of 12454 in accordance with ASTM D1784.
C. Profile PVC Pipe
Profile PVC pipe may be used only when specifically approved by the Owner and
Engineer.
Profile PVC pipe must conform to the requirements of ASTM F794 and F949 for
dual wall corrugated profile pipe, and ASTM F1803 for closed profile pipe.
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Pipe must have a minimum pipe stiffness of 46 psi (PS-46).
Pipe must be made of PVC compound having a cell classification of 12454 or 12364
in accordance with ASTM D1784.
D. PVC Pipe Joints
Joints must be flexible elastomeric sealed type joint in accordance with ASTM
D3212.
Gasket materials must meet requirements of ASTM F477.
Joint lubricant must be supplied and/or approved by the pipe manufacturer and must
have no detrimental effect on the gasket or pipe.
2.02 SEWER FITTINGS
Fittings must be cast of the same material as the main sewer or may be an approved
fabricated special fitting. Fitting joints must meet the same standards as the adjoining sewer.
Fittings must be manufactured and supplied in accordance with ASTM D3034 or ASTM
F679. PVC molded and fabricated fittings may be supplied in accordance with ASTM F1336.
Fittings must be heavy wall SDR 26, unless otherwise specified. Pipe used in fabricated
fittings must have a wall thickness equal to or greater than the wall thickness of the pipes to
which the fitting will be joined.
A. Wyes and Tees
Details of special fittings and/or adapters for connecting laterals of a material
different from the main sewer must be approved by the Engineer before they are
manufactured. Fabricated special fittings must provide a suitable connection for the
lateral to the main sewer.
Wyes and Tees will be required as follows:
6" Wyes on main sewer of up to 24" diameter
6" Inserta-Tee, Kor-N-Tee, or approved equal, on main sewer of 24" diameter
or larger.
B. Couplings
Couplings used to connect new and existing sanitary sewer piping must be gasketed
solid sleeve PVC couplings where possible. PVC couplings must meet sewer fittings
specification herein.
Where solid sleeve PVC couplings cannot be utilized, flexible transition couplings in
accordance with ASTM C1173 and ASTM D5926 may be utilized, subject to
Engineer approval.
Flexible transition couplings must be appropriately sized for the connecting materials
and must include stainless steel clamp bands and an external stainless steel shear ring
with a minimum thickness of 0.012". Coupling must be Fernco Strong Back RC
Couplings, Indiana Seal Couplings with Amazon Shear Rings, or Engineer approved
equal.
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2.03 SANITARY SEWER LATERALS
A. Lateral Piping
Sewer lateral piping must be PVC solid-wall pipe conforming to the requirements of
ASTM D3034, with a standard dimension ratio of 26 (SDR-26).
PVC pipe joints and PVC compound must meet the sanitary sewer pipe material
specification herein.
B. Lateral Fittings
Sewer lateral fittings must be manufactured and supplied in accordance with ASTM
D3034. Molded and fabricated fittings may be supplied in accordance with ASTM
F1336. Fittings must be heavy wall SDR 26, unless otherwise specified. Pipe used in
fabricated fittings must have a wall thickness equal to or greater than the wall
thickness of the pipes to which the fitting will be joined.
Any specified bends must be smooth, long-radius type curves. No mitered or
segmental type bends will be approved.
Joints must be flexible elastomeric sealed type joint in accordance with ASTM
D3212. Gasket materials must meet requirements of ASTM F477 or ASTM F913.
Fittings must be made of PVC compound having a cell classification of 12454 or
13343 in accordance with ASTM D1784.
C. Lateral Couplings
Lateral couplings must meet the requirements for sanitary sewer pipe couplings.
D. Lateral Plugs
Plugs, stoppers, or glued caps for plugging the ends of laterals or risers which are not
extended must make a watertight seal and be of such a design that they can be readily
removed without damage to the pipe.
2.04 CEMENT MORTAR
Mortar must consist of one part Portland Limestone Cement and two parts masonry sand.
These proportions must be measured by volume.
The sand and cement must be mixed dry in a clean tight box until a mixture of uniform color
is produced, after which water must be added until the required consistency is obtained.
Mortar must be mixed only in such quantities as needed for immediate use. The retempering
of mortar will not be permitted.
A. Cement
Portland Limestone Cement must conform to the requirements for Type 1L of the
MDOT 2020 Standard Specifications for Construction for Portland Cement, ASTM
C595.
B. Masonry Sand
Masonry Sand must conform to the requirements of "Natural Sand, 2MS" of the
MDOT 2020 Standard Specifications for Construction.
C. Water
Water for mixing mortar must be obtained from the public water supply unless
otherwise approved by the Engineer.
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2.05 CONCRETE
Concrete for pipe encasement, special pipe embedment, manhole bases and similar items
must meet the requirements of the MDOT 2020 Standard Specifications for Construction for
Grade 3000 concrete. Grade 3000 concrete must have a minimum compressive strength of
3,000 psi at 28 days.
2.06 MANHOLE MATERIALS
A. Precast Units
Unless otherwise specified, all manholes must be precast and watertight.
Where manholes are anticipated to have corrosive conditions due to septicity, force
main connection or other causes, additional corrosion protection or alternative
manhole materials may be specified on the Drawings or in the Project Specifications.
Precast reinforced concrete manhole risers and precast reinforced concrete manhole
conical top sections must conform to the requirements of ASTM C478. Bituminous
waterproofing must be applied to the outer surface of the manhole at a rate of one
gallon per 100 square feet. Manholes must be free of holidays and open pinholes.
Unless otherwise specified, joints for precast sections must be premium rubber joints
conforming to the requirements of ASTM C443. Rubber gaskets must meet the
physical requirements of ASTM C1619.
B. Steel Reinforcement
Steel Reinforcement must conform to the requirements for steel reinforcement of
Section 905 of the MDOT 2020 Standard Specifications for Construction.
C. Flexible Manhole Connectors (Rubber Boots)
Flexible manhole connectors (also called rubber boots) must be "Kor-N-Seal" by
Trelleborg, "PSX: Direct Drive" by Press Seal Gasket Corporation; or approved
equal. Flexible manhole connectors must conform to the requirements of ASTM
C923.
D. Manhole Steps
Unless otherwise specified, manhole steps must be plastic coated steel steps
conforming to the requirements of ASTM Designation C478, or approved equal,
spaced at sixteen inches (16") on center.
E. Adjusting Rings
Unless otherwise specified, adjusting rings must be:
1. Precast and conform to the requirements of ASTM C478.
2. Black Expanded Polypropylene (EPP) adjusting rings.
3. Black Recycled Rubber adjusting rings.
4. Cretex Pro-Rings.
Products:
* Flex-O-Ring, American Highway Products
* Pro-Ring, Cretex Specialty Products
* Infra-Riser, East Jordan Iron Works
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F. Castings
Castings must meet the requirements specified in the MDOT 2020 Standard
Specifications for Construction Section 908. Manhole covers and rings and similar
combinations of castings must be machined to provide an even bearing.
Unless otherwise specified, manhole castings must be provided with a minimum 24-
inch opening and must be as follows:
General use: EJ No. 1045Z Frame and EJ No. 1040A Cover (Part Number
00104076) or approved equal.
Off Road/Cross Country Locations: EJ No.1045ZPT Frame and EJ No.
1040APT (bolted) or approved equal.
G. Adjusting Drainage Structures
Furnish materials in accordance with subsection 403.02 of the Standard
Specifications for Construction with the following exceptions:
Furnish Concrete, Grade 3500 or Grade P-NC as directed by the Engineer in
accordance with sections 1004 and 1006 of the Standard Specifications for
Construction, respectively. Furnish epoxy anchored lane ties in accordance with
section 914 of the Standard Specifications for Construction. Ensure the lane ties are
#5 bar size with a nominal length of 18 inches. Ensure the circular bar for the rotary
cut application is epoxy coated #5 bar of a diameter that will center it between the
structure cover and the existing surrounding pavement. Select epoxy for anchoring
lane ties into the concrete from section 712.03J of the Qualified Products List.
Furnish hot-poured joint sealant in accordance with section 914 of the Standard
Specifications for Construction.
For concrete curb, concrete curb and gutter, or concrete traffic island repairs furnish
materials in accordance with the standard specifications.
FORCE MAIN SEWER
2.07 DUCTILE IRON PIPE
A. Pipe
Ductile iron pipe must conform to the requirements of AWWA C151 (ANSI A21.51).
Ductile iron pipe must be Class 53 unless otherwise specified.
All pipe must have a cement mortar lining with seal coat conforming to the
requirements of AWWA C104 (ANSI A21.4).
B. Fittings
All fittings must be ductile iron in accordance with AWWA C153 (ANSI A21.53).
Fittings twenty-four (24) inches in diameter and smaller must have a minimum
pressure rating of 350 psi; fittings larger than twenty-four (24) inches in diameter
must have a minimum pressure rating of 250 psi. Fittings must have either cement
mortar lined with seal coat in accordance with AWWA C104 (ANSI A21.4) or fusion
bonded epoxy coating in accordance with AWWA C116 (ANSI A21.16).
C. Joints
Unless otherwise specified, all pipe joints must be rubber gasket joints conforming to
the requirements of AWWA C111 (ANSI A21.11) for bolted mechanical joints or
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