Pennsylvania Publication 408 — Specifications — Section 665

705.5(c) 705.8 Change in tensile strength, percent change Change in elongation, percent change 40 max imum 40 max imum

2.b Marking. Permanently label with the manufacturer's name and style or code number, at intervals

not exceeding 3 feet.

2.c Acceptance. Material shipped is subject to inspection at the delivery point. If directed, provide samples, selected at random from the shipment, consisting of one portion 4 feet long and another portion from a job splice consisting of a minimum of 12 inches of splice, within 6 inches of unspliced material on each side. Submit samples to the L TS for material confirmation and compliance.

705.6MORTAR —Mix mortar in an acceptable type of mixer, unless otherwise allowed. Do not use retempered

mortar or mortar mixed for more than 1/2 hour, unless otherwise specified. Certify as specified in Section

106.03(b)3

(a)For Pipe Joints.

1.Job -Mixed Mortar. Mix one part cement, two parts fine aggregate, and sufficient water to form a

plastic composition. Use materials conforming to the following requirements:

• Cement . Section 701

• Fine Aggregate. Section 703.1, Type C

• Water . Section 720.1

(b)For Masonry Joints and Horizontal Joints Between Precast Components in Utility Holes and

Inlets . ASTM C 270, Type N

705.7CAULKING COMPOUND—Certify as specified in Section 106.03(b)3. From a manufacturer listed

in Bulletin 15 and conforming to the following requirements:

(a)For Caulking Pipe Joints and Horizontal Joints Between Precast Components in Utility holes

and Inlets . ASTM D4586

(b)For Other Caulking. ASTM C 834 or C920

705.8JOINT BACKING MATERIAL —Expanded, low -density, polyethylene foam from a manufacturer listed

in Bulletin 15 and conforming to ASTM D 5249 . Certify each shipment as specified in Section 106.03(b)3. If indicated, the foam may be used as a bond breaker between joint filler material and joint sealer. 706.1 706.2 706 – 1

706.1Epoxy -Bonding Compound —Provide an epoxy bonding compound conforming to ASTM C881 and

specify Type and Grade as per operation. Obtain compound from a manufacturer listed in Bulletin 15 . Certify as specified in Section 106.03(b)3 . Submit a copy of the manufacturer's recommendations for proper application to the Representative. Apply the compound according to the manufacturer’s recommendations.

(a)General. If epoxy -bonding compounds are used, the Type and Grade of epoxy must be specified

for each specific operation. Use the following classifications in conjunction with Bulletin 15 :

1.Application/Operation Specific Types.

• Type I —For use in non-load bearing applications, bonding hardened concrete (28 days or older) to hardened concrete surfaces

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 693–696 of 1,522.

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664 MODULAR ARCHITECTURAL BLOCK SYSTEM

667 CEMENT CONCRETE PAVING FOR STREAM BEDS