for Highway Construction Page 648 of 71 5 SECTION 706 – PIPE
706.01 General Requirements for Concrete Pipe .
Provide test results for strength, absorption, and hydrostatic pressure for concrete pipe from the manufac turer. Only use manufacturers of precast concrete products that hold current certification under the NPCA Plant Certification Program, the ACPA QCast Plant Certification Program, or the PCI Plant Certification Program.
706.02 Concrete Sewer Pipe .
Meet AASHTO M 170 for the strength classes specified for round concrete pipe. Meet AASHTO M 207 for the strength classes specified for elliptical concrete pipe .
706.03 Concrete Pipe for Irrigation or Drainage .
Meet AASHTO M 170 for the strength classes specified for round concrete pipe. Meet AASHTO M 207 for the strength classes specified for elliptical concrete pipe .
706.04 Reinforced Concrete Culvert , Storm Drain, and Sewer Pipe .
Meet AASHTO M 170 for the strength classes specified for round concrete pipe. Meet AASHTO M 207 for the strength classes specified for elliptical concrete pipe. Add to AASHTO M 170 Table 4 (Wall A): Table 7 06.04- 1 – Additions to AASHTO M 170 Table 4 Internal Diameter Wall Thickness A Area Steel (a) Reinforcement Type 33 in 2⅞ in 0.38 in2/ft Elliptical 36 in 3⅛ in 0.42 in2/ft Elliptical 42 in 3¾ in 0.49 in2/ft Elliptical 48 in 4⅛ in 0.60 in2/ft Elliptical
a.Per unit length of pipe wall. Add to Table 5 (Wall A) of AASHTO M 170: Table 706.04- 2 – Additions to AASHTO M 170 Table 5 Internal Diameter Wall Thickness A Area Steel (a) Reinforcement Type 12 in 2 in 0.11 in2/ft Circular 15 in 2 in 0.21 in2/ft Circular 18 in 21/4 in 0.30 in2/ft Circular 21 in 23/8 in 0.39 in2/ft Circular 24 in 21/2 in 0.54 in2/ft Circular 27 in 25/8 in 0.50 in2/ft Elliptical for Highway Construction Page 649 of 71 5 Internal Diameter Wall Thickness A Area Steel (a) Reinforcement Type 30 in 23/4 in 0.55 in2/ft Elliptical 33 in 27/8 in 0.63 in2/ft Elliptical 36 in 31/8 in 0.70 in2/ft Elliptical 42 in 33/4 in 0.80 in2/ft Elliptical 48 in 41/8 in 0.98 in2/ft Elliptica l
a.Per unit length of pipe wall.
706.05 Gaskets for Concrete Pipe .
Meet AASHTO M 198 Type A or B.
706.06 Corrugated Metal Pipe and Pipe Arches.
Meet AASHTO M 36 or M 196 with the following additions:
1.Provide special sections that are the same thickness as the conduit they are joined to and that meet AASHTO M 36 or M 196.
2.Repair the damaged zinc or aluminum coatings on pipe with a repair compatible with AASHTO M 36 or M 196.
3.Provide close- riveted pipe with the rivets on circumferential seams placed on approximate 2.5 inches centers with a maximum spacing of 3 inches.
4.Provide asphalt -coated pipe that meets AASHTO M 190 Type A. Do not coat coupling bands.
5.Provide polymer -coated pipe with one of the following:
a.Meet AASHTO M 245, except coating thickness will be 10 mils minimum on each side.
b.Meet AASHTO M 36 that has additionally been coated with material meeting polymer coating requirements of AASHTO M 246.
6.The Engineer will waive the provisions of AASHTO M 36 Section No. 13.1 requiring testing of helica l welded seam corrugated metal pipe in accordance with AASHTO T 241 for pipe with the ends successfully re rolled into annular corrugations.
7.Provide spiral rib corrugated steel pipe that meets AASHTO M 36 Type IR, with the foll owing exceptions: Fabricate each pipe end with at least 2 annular corrugations for joining pipe sections with coupling bands. Provide coupling bands at least 12 inches wide having 2 corrugations, spaced to seat in the second corrugation of each pipe without creating a gap greater than ½ inch between pipe ends. Provide gaskets that meet ASTM C361 Section 6.9 or AASHTO M 198 Section 4.1.
8.The Engineer may approve coupling devices other than the standard configurations provided t he Contractor’s supplier submits test data confirming the device complies with joint performance criteria of AASHTO Standard Specifications for Highway Bridges, Division II Section No. 23. for Highway Construction Page 650 of 71 5 706.07 Metallic (Zinc or Aluminum ) Coated Corrugated Steel Underdrains . Meet AASHTO M 36.
706.08 Corrugated Aluminum Pipe for Underdrains .
Meet AASHTO M 196.
706.09 General Requirements for Plastic Pipe.
All plastic pipe will meet a minimum pipe stiffness of 46 pii as determined by ASTM D2412.
706.10 Corrugated PE Drainage Tubing.
Meet AASHTO M 252.
706.11 Reserved.
706.12 Rubber Gaskets for Corrugated Metal Pipe .
Meet ASTM D1056 Grade 2C3.
706.13 ABS or PVC Composite Sewer Pipe .
Meet ASTM D2680. ABS pipe is acceptable for drain laterals 4 inches and smaller .
706.14 Class PS 46 PVC Pipe .
Meet AASHTO M 278. Limit size of PS 46 PVC to 15 inches maximum diameter.
706.15 Ribbed PVC Pipe .
Meet ASTM F949 or ASTM F794. Limit size of ribbed PVC to 36 inches maximum diameter.
706.16 Corrugated PE Pipe .
Meet AASHTO M 294 for corrugated PE pipe nominal size of 12 to 60 inches in diameter. Lim it size of corrugated PE to 60 inches maximum diameter. Use Type S PE pipe.
706.17 Ribbed PE Pipe .
Meet ASTM F894.
706.18 Steel Reinforced Ribbed PE Pipe .
Meet AASHTO MP 20 for SRRPE pipe nominal size of 12 to 60 inches in diameter. Limit size of SRRPE to 60 inches maximum diameter.
706.19 Polypropylene Pipe .
Meet ASTM F2764 for corrugated double and triple wall pipe. Lim it double wall pipe to 30 inches maximum diameter and triple wall pipe from 30 inches to 60 inches maximum diameters. for Highway Construction Page 651 of 715 706.20 Fittings for PE Drainage Tubing. Meet ASTM F405.
706.21 Rodent Protection Devices for Trench Drain.
Meet ASTM F449. for Highway Construction Page 652 of 71 5 SECTION 707 – PAINT
707.01 General.
Provide homogenous paint , without contaminant, and of a consistency suitable for use. Do not allow pigment to settle excessively, cake or thicken in the container, and become granular or curdled during the pigment dispersion in vehicle.
707.02 Paint Formula .
Follow formulations in accordance with federal paint specifications (TT) or the Steel Structures Painting Counc il (SSPC). Tint coatings sufficiently different to provide a contrast between coats. Match the topcoat colors as specified or according to color chip numbers in Federal Standard No. 595. The Engineer will not allow field tinting. Submit technical data sheets, safety data sheets, and specific application instructions for coatings. Submit the manufacturer’s quality control test results for each paint batch component used. Submit the weight per gallon, viscosity, percent solids by weight, and fi nish coat color chips for the selected color. Submit the percent of metallic zinc by weight in the cured zinc primer coat and percent of metallic zinc by weight in the zinc pigment component for zinc rich primers. The Engineer will accept the applicable Na tional Transportation Product Evaluation Program (NTPEP) and the North East Protective Coating Committee (NEPCOAT) QPL paint formula tions for products applied to structural steel specified formulations and paint systems. The Engineer will still test QPL paints from these programs as specified in this section and/or the manufacturer’s specification for acceptance in accordance as specified in quantities listed in the QA Manual. Paints with volatile organic compounds (VOC) of 3.5 pounds per gallon maximum are acceptable.
1.Formula No. 1 Primer, Inorganic Zinc Rich Specification: AASHTO M 300 Type I or SSPC Paint 20 Type 1 -C, Zinc Dust - ASTM D520 Type II. Meet Class B requirements for slip coefficient and creep resistance.
2.Formula No. 2 Primer, Organic Zinc Rich Specification: SSPC Paint 20 Type II, Zinc Dust – ASTM D520. Meet Class B requirements for slip coeffi cient and creep resistance when specified.
3.Formula No. 3 Primer, Zinc Rich Moisture -Cure Polyurethane Specification: SSPC Paint 40, Zinc Dust – ASTM D520 Type II. Meet Class B requirements for slip coefficient and creep resistance when s pecified.
4.Formula No. 4 Primer, High Solids Polyamide Epoxy Specification: SSPC Paint 22
5.Formula No. 5 Intermediate, High Solids Polyamide Epoxy Specification: SSPC Paint 22
6.Formula No. 6 Intermediate , Moisture -Cured Polyurethane, Micaceous Iron Oxide Reinforced, Performance- Based Specification: SSPC Paint 41
Source: Idaho Standard Specifications for Highway Construction, 2023 Edition. Pages 684–687 of 768.