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Home / DOT Specifications / Pennsylvania / Publication 408 — Specifications / 591
Rigid Pavements (500-599)

591MILLING OF CEMENT CONCRETE PAVEMENT SURFACE

PA · 2026 Standard SpecificationsBook pages 520–522View official source ↗

AASHTO M 294 (pipes 12 inches through 15 inches), modified as follows:

• The Department will determine the lot size for acceptance .

• Minimum pipe stiffness for pipes 4 inches through 10 inches to be 30 pounds per square inch at 10% deflection, when tested according to ASTM D 2412 . Minimum pipe stiffness for pipes 12 inches through 15 inches to be 45 pounds per square inch at 5% deflection and 40 pounds per square inch at 10% deflection, when tested according to ASTM D 2412 .

4.Polyvinyl Chloride (PVC) Pipe. ASTM D3034 , ASTM F 758, Type PS46 or ASTM F 949 modified

as follows:

• Minimum pipe stiffness for pipes 4 inches through 10 inches, 35 pounds per square inch at 5% deflection, when tested according to ASTM D 2412 . Minimum pipe stiffness for pipes 12 inches through 15 inches, 45 pounds per square inch at 5% deflection, when tested according to ASTM D 2412 .

• Capable of being flattened to 40% of the original pipe O.D. without splitting, cracking, or breaking

5.Acrylonitrile -Butadiene Styrene (ABS) Pipe. ASTM D 2751 , modified as follows:

• Minimum pipe stiffness for pipes 4 inches through 10 inches, 35 pounds per square inch at 5% deflection, when tested according to ASTM D 2412 . Minimum pipe stiffness for 12 inch pipe, 45 pounds per square inch at 5% deflection, when tested according to ASTM D 412.

• Capable of being flattened to 60% of the original pipe O.D. without splitting, cracking, or breaking .

6.Perforated Plastic Semicircular Pipe. AASHTO M 278 or ASTM D 2680 , modified as follows:

• Smooth or corrugated top and a smooth semicircular bottom .

• Minimum pipe stiffness (PS), 35 pounds per square inch at 5% deflection, when tested according to ASTM D 2412 .

• Capable of being flattened to 40% of the original pipe outside -to-outside height for PVC or 60% for ABS without splitting, cracking, or breaking.

7.Corrugated Steel Pipe, Metallic Coated. AASHTO M 36, Type III with Class 1 perforations or

Type IIIA; AASHTO M 218; AASHTO M 274; and AASHTO M 289.

8.Corrugated Aluminum Alloy Pipe. AASHTO M 196, Type III with Class 1 perforations or Type IIIA.
9.Prefabricated Pavement Base Drains.

9.a General. Use prefabricated pavement base drains consisting of an inert, plastic core, designed to carry water flow, wrapped in geotextile fabric for filtering purposes. Select from a manufacturer listed in Bulletin 15.

9.b Backfill. As indicated, fine aggregate, Type A, except limestone sand, Section 703.1.

9.c Core Materials. An inert, plastic material resistant to commonly encountered chemicals and substances, having the following properties:

• Tensile strength, ASTM D 638. 1,200 pounds per

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 520–522 of 1,522.
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601 PIPE CULVERTS