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Home / DOT Specifications / Pennsylvania / Publication 408 — Specifications / 602
Incidental Construction (600-699)

602CORRUGATED METAL PIPE-ARCH CULVERTS

PA · 2026 Standard SpecificationsBook pages 483–484View official source ↗
4.Single test for the junction and longitudinal profile may be used on alternate (redesign) pipe sizes within a

manufacturing process. Single point tests may not be used on maximum and minimum pipe sizes within a manufacturing process except by approval of LTS, Engineer of Tests. Single point tests may be used for quality assurance tes ting purposes.

5.Longitudinal profiles include vent hole(s), molded lines , and circumferential weld seam.
6.OIT and MI tests on the crown are required when resin used in the corrugation is different than that of the

liner.

7.The incubation duration and temperature can also be 187 days at 185F.
8.Within each replicate set of tests, the discrepancy range is to be within 6%. If an out -of-range discrepancy

occurs, repeat the three OIT tests.

9.Perform the tests for incubated and "as -manufactured" pipe samples by the same lab, same operator, the

same testing device, and in the same day.

10.Within each replicate set of tests, the discrepancy range is to be within 9%. If an out -of-range discrepancy

occurs, repeat the two MI tests on the same pipe sample. If insufficient material is available, a repeat of one test is acceptable.

11.The MI retained value is determined using the average MI value of incubated sample divided by the

average MI value of as -manufactured pipe sample.

12.The junction test results from the SCR test may be used to establish the minimum 100- year tensile strength

of 800 psi.

• Florida Department of Transportation (FDOT) Method of Test: FM 5- 572, Determining Stress Crack Resistance of HDPE Corrugated Pipes; FM 5- 573, Predicting the Crack Free Service Life of HDPE Corrugated Pipes; FM 5- 574, Predicting the Oxidation Resistance of HDPE Corrugated Pipes; FM 5-577, Predicting Long -Term Modulus of HDPE Corrugated Pipes. The laboratory performing these tests must be certified by the Geosynthetic Accreditation Institute (GAI)

• Provisional approval can be granted for all current Bulletin 15 approved products as well as products currently pending approval. Final approval will only be granted to systems which meet all requirements as currently outlined

• Bulletin 15 Product Approval (initial Bulletin 15 listing) Initial testing of all 100- year HDPE pipes will include:

Third party independent testing of all sizes, profiles , and manufacturing locations for all:

1.AASHTO M 294 requirements (* except: ASTM D3212 –testing for joint integrity) .
2.All Table 1 testing requirements (Note: only footnotes 1,3, and 5-12 apply) .
3.Finger print of antioxidant package according to ASTM D 6953 -03 “Determination of Antioxidants

and Erucamide Slip Additives in Polyethylene Using Liquid Chromatography” to be used to index the antioxidant package for future confirmatory testing.

*

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 483–484 of 1,522.
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601 PIPE CULVERTS
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603 METAL PLATE CULVERTS