Section 4147.� Pipe and Manhole Rehabilitation Materials
4147.01���� Pipe Rehabilitation.
A.��� Polyethylene and Polyolefin Manufactured Pipe for Sliplining.
1.���� Pipe.
a.���� Comply with ASTM D 3035, minimum pipe stiffness of 46 psi (320 kPa).
b.���� Polyethylene complying with ASTM D 1248, Type III, Class C, Category 5, Grade P 34 or ASTM D 3350 Cell Classification PE 335434C.
c.���� Maximum outside diameter as specified in the contract documents.
2.���� Joints.
a.���� Joined into continuous length on job site.
b.���� Fuse butt joints according to the pipe manufacturer�s recommendations with approved equipment and complying with ASTM D 2657.
B.��� Polyvinyl Chloride Pipe Corrugated Pipe 12 Inch to 36 Inch (300 mm to 900 mm) for Sliplining.
1.���� Pipe.
a.���� Comply with ASTM F 949, minimum pipe stiffness, 46 psi (320 kPa).
b.���� PVC plastic complying with ASTM D 1784, Cell Classification 12454.
2.���� Joints.
Gasketed joints complying with ASTM F 477 and ASTM D 3212.
C.��� Polyvinyl Chloride Pipe Closed Profile Pipe 21 Inch to 48 Inch (525 mm to 1200 mm) for Sliplining.
1.���� Pipe.
a.���� Comply with ASTM F 1803, minimum pipe stiffness, 46 psi (320 kPa).
b.���� PVC plastic complying with ASTM D 1784, Cell Classification 12364.
2.���� Joints.
Gasketed joints complying with ASTM F 477 and ASTM D 3212.
D.��� Centrifugally Cast Fiberglass Reinforced Polymer Mortar Pipe (CCFRPM) 18 Inch to 48 Inch (450 mm to 1200 mm) for Sliplining.
1.���� Pipe.
Comply with ASTM D 3262.
2.���� Joints.
Gasketed joints complying with ASTM D 4161.
E.��� Resin-Impregnated Tube for Cured-in-place Pipe (CIPP) Lining.
1.���� Pipe Lining.
a.���� Comply with ASTM F 1216.
b.���� Use one or more layers of flexible needled felt or equivalent non-woven material.
c.���� Stretch material to fit irregular pipe and negotiate bends.
d.���� Outside layer plastic coated with a translucent flexible material. No delamination of plastic coating.
e.���� Fabricated to a size that when installed tightly fits length without joints.
f.����� Designed as per Equation X-1, ASTM F 1216.
2.���� Resin and Catalyst.
a.���� Unsaturated, styrene-based, thermoset resin and catalyst system or an epoxy resin and hardener that is compatible with the inversion process.
b.���� Cure in the presence of water with temperature greater than 150�F (66�C) and less than 180�F (82�C).
c.���� Initial structural properties complying with ASTM F 1216. Comply with Table 4147.01-1.
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Table 4147.01-1: CIPP Lining Properties |
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CIPP Properties |
ASTM Test Method |
Minimum Value |
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Flexural Strength |
D 790 |
4500 psi (31 MPa) |
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Flexural Modulus of Elasticity |
D 790 |
250,000 psi (1725 MPa) |
3.���� CIPP Lining Dimensions.
a.���� Use nominal internal diameter and length such that CIPP forms to internal circumference and length of original pipe.
b.���� Field verify diameter and length.
c.���� Use one continuous length without joints.
F.���� Deformed/Reformed High Density Polyethylene Pipe Lining (DRP-HDPE).
1.���� Pipe Lining.
a.���� Manufactured in deformed shape from HDPE pipe compound complying with ASTM D 1248, Class C, Category 5 and Grade P 34.
b.���� Comply with long term hydrostatic strength rating of 1600 psi (11 MPa) or more according to ASTM D 2837.
c.���� Environmental stress crack resistance (ESCR) less than 2,000 hours in 100% solution, Igepal CO-630 at 100�C before failure according to ASTM D 1693, Condition C.
d.���� Comply with Table 4147.01-2 for minimum DRP lining structural standards.
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Table 4147.01-2: DRP-HDPE Lining Properties |
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FIPP Properties |
ASTM Test Method |
Minimum Value |
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Flexural Strength |
D 790 |
3300 psi (22.75 MPa) |
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Flexural Modulus of Elasticity |
D 790 |
136,000 psi (938 MPa) |
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Tensile Strength |
D 638 |
3200 psi (22.1 MPa) |
2.���� DRP Lining Dimensions.
a.���� Nominal internal diameter and length of existing pipe as specified in the contract documents.
b.���� Field verify diameter and length.
c.���� Outside diameter fabricated to fit tightly.
d.���� Use one continuous length without joints between manholes.
e.���� Minimum wall thickness complying with SDR as specified in the contract documents.
G.��� Folded/Formed Polyvinyl Chloride Pipe Lining.
1.���� Pipe Lining.
a.���� Manufacture in deformed shape complying with ASTM D 1784, Cell Classification 12454 B. Compounds with different cell classifications because one or more properties are superior to those specified are acceptable.
b.���� Performance requirements complying with ASTM D 3034.
c.���� Comply with Table 4147.01-3 for FPP lining structural properties.
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Table 4147.01-3: FPP Lining Properties |
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FIPP Properties |
ASTM Test Method |
Minimum Value |
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Tensile Modulus of Elasticity |
D 638 |
350,000 psi (2415 MPa) |
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Tensile Strength |
D 638 |
6000 psi (41.4 MPa) |
2.���� FPP Lining Dimensions.
a.���� Nominal internal diameter and length of existing pipe as specified in the contact documents.
b.���� Field verify diameter and length prior to manufacturing.
c.���� Use one continuous length without joints between manholes.
d.���� Outside diameter fabricated to fit tightly.
e.���� Minimum wall thickness complying with the specified SDR as specified in the contract documents and complying with ASTM F 1216.
H.��� Pipe Repair Couplings for Spot Repairs by Pipe Replacement.
1.���� Style.
Full circle, fully lined, bolted.
2.���� Length.
12 inches (300 mm), minimum.
3.���� Materials and Manufacturer.
a.���� Shells, armors, side bars, lugs, Turner lifting bars, bolts, and nuts complying with ASTM A 240, Type 304 stainless steel.
b.���� MIG welds, fully passivated.
c.���� Rubber gasket complying with ASTM D 2000, AA415 with full coverage and grid pattern.
d.���� Stainless steel armor bonded to gasket to bridge lug area.
4.���� Nuts and Bolts.
1/2 inch or 5/8 inch (12.5 mm or 15.9 mm), Teflon coated threads.
I.����� Sewer Main Pipe (For Spot Repairs).
1.���� Apply Section 2504.
2.���� Use materials for pipe replacement as specified in the contract documents or approved by the Engineer.
4147.02���� Manhole Rehabilitation.
Apply Article 4149.02, J, for external and internal rubber chimney seals.
1.���� Use only when specified in the contract documents.
2.���� Comply with Table 4147.02-1 for the physical properties:
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Table 4147.02-1: Physical Properties |
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Property |
ASTM Test Method |
Acceptable Value |
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Elongation |
D 412 |
800%, minimum |
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Tensile Strength |
D 412 |
1150 psi (8 MPa), minimum |
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Adhesive Strength |
D 903 |
175 lb/in (3 kg/mm), minimum |
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Pressure Resistance |
C 1244/C 1244M |
2 minutes |
C.��� In-Situ Manhole Replacement, Cast-in-place Concrete.
1.���� Forming System.
Provide an internal forming system capable of forming a new and structurally independent manhole wall within the existing manhole, with the specified thickness and conforming to the general shape of the existing manhole.�
2.���� Concrete.
Type I/II Portland cement with 5/8 inch (16 mm) minus coarse aggregate with fiber reinforcement and water reducer, 4000 psi (28 MPa) minimum 28 day compressive strength or as approved by the Engineer.
3.���� Plastic Liner.
When specified, provide a PVC or PE plastic liner resistant to degradation by sulfuric acid.� Use a liner capable of being attached to the exterior of the forming system during erection of the forms.� Use a plastic liner with a ribbed or studded exterior surface suitable for anchoring to the newly formed interior wall.
4.���� Casting.
Provide new casting.� Apply Article 4149.02, I.
D.��� Centrifugally Cast Cementitious Mortar Liner with Epoxy Seal.
1.���� Cementitious Lining.
a.���� Use a high-strength, high-build, corrosion-resistant mortar, based on Portland cement fortified with micro silica.� Mixed mortar is to have a paste-like consistency that may be sprayed, cast, pumped, or gravity-flowed into any area 1/2 inch (13 mm) and larger.
b.���� Comply with Table 4147.02-2 for physical properties:
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Table 4147.02-2: Physical Properties |
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Property |
Value |
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Unit Weight |
125 pcf� (2000 kg/m3) |
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Set Time at 70� F (21� C) ASTM C 403/C 403M �� Initial Set / Final Set |
240 minutes / 440 minutes |
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Modulus of Elasticity ASTM C 469 �� 24 hours / 28 days |
180,000 psi / 1,150,000 psi (1240 MPa / 7930 MPa) |
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Flexural Strength ASTM C 293 �� 24 hours / 28 days |
650 psi / 800 psi (4.5 MPa / 5.5 MPa) |
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Compressive Strength ASTM C 109/C 109 M �� 24 hours / 28 days |
3000 psi / 10,000 psi (21 MPa / 70 MPa) |
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Tensile Strength ASTM C 307 |
600 psi (4 MPa) |
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Shear Bond ASTM C 882/C 882M |
>1000 psi (7 MPa) |
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Shrinkage ASTM C 157/C 157M |
None |
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Chloride Permeability ASTM C 1202 |
<550 Coulombs |
c.���� Use a lining containing a liquid admixture for the prevention of micro-biologically induced corrosion.�
2.���� Corrosion-Resistant Epoxy Lining.
a.���� Use a two-component 100% solids epoxy formulated for use in sewer systems.
b.���� Comply with Table 4147.02-3 for physical properties:
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Table 4147.02-3: Physical Properties |
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Property |
Value |
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Dry Time |
4-6 hours at 75� F (24� C) |
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Compressive Strength ASTM D 695 |
16,800 psi (116 MPa) |
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Flexural Strength ASTM D 790 |
13,900 psi (96 MPa) |
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Tensile Strength ASTM D 638 |
12,400 psi (86 MPa) |
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Hardness ASTM D 2240 |
68-72 Shore D |
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Heat Distortion ASTM D 648 |
220�F (104� C) |
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Ultimate Elongation ASTM D 638 |
4.5 % |
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Adhesive Shear ASTM C 882/C 882M |
1000 psi (7 MPa) |
3.���� Casting.
Provide new casting. �Apply Article 4149.02, I.