2517Railroad Approach Sections

2517.01DESCRIPTION

Construct pavement sections at junctures of railroad according to the contract documents.

2517.02MATERIALS

For construction of railroad approach sections, meet the requirements of Divisions 23 and 41 for the respective material.

Railroad Approach Sections

2517.05

A.

PCC Paving Projects. Use either Class C PCC or the same class PCC as specified for the pavement.

B.

Hot Mix Asphalt Paving Projects. Use a High Traffic (HT) HMA surface mixture. Use asphalt binder meeting or exceeding PG 64-22S.

2517.03

CONSTRUCTION.

A.

PCC Paving Projects.

B.

1.

Form, place, finish, and cure the PCC according to Section 2301.

2.

The Engineer may require the railroad approach section to be placed one lane at a time for the convenience of the traveling public. When the header slab is constructed in two sections, construct a centerline joint as shown in the contract documents. When the joint is not provided for, place 1/2 inch tie bars no more than 4 feet apart and extend them no less than 18 inches into each section.

HMA Paving Projects. Place the HMA according to Article 2303.03, C, 4, with maximum 2 inch lifts. Compact according to Article 2303.03, C, 5, Class II.

2517.04METHOD OF MEASUREMENT

Measurement will be as follows: A.

Railroad Approach Section, PCC. Square yards shown in the contract documents.

B.

Railroad Approach Section, HMA. Square yards shown in the contract documents.

2517.05BASIS OF PAYMENT

Payment will be the contract unit price as follows: A.

Railroad Approach Section, PCC. 1.

Per square yard.

2.

Payment is full compensation for: • Excavation for modified subbase and subdrain, • Furnishing and installing subdrain, • Furnishing and installing subdrain outlet, • Furnishing and placing porous backfill material, • Furnishing and placing modified subbase backfill material, and • Furnishing and installing reinforcing steel, tie bars, and dowel assemblies.

2519.03

B.

Fence Construction

Railroad Approach Section, HMA. 1.

Per square yard.

2.

Payment is full compensation for: • Asphalt binder and tack coat, • Excavation, modified subbase, and subdrain, • Furnishing and installing subdrain, • Furnishing and installing subdrain outlet, • Furnishing and placing porous backfill material, • Furnishing and placing modified subbase backfill material, • Furnishing and installing fiber board barrier, and • Furnishing, placing, and compacting HMA.