This document is part of Standard Specifications -- English Units.

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SECTION 535

CONDITIONING EXISTING BASE

535-1 DESCRIPTION.

The work covered by this section consists of the conditioning of an existing base placed by others. The work shall include:

1. Conditioning of an existing base in preparation for the placement of a pavement directly upon the base. Conditioning shall consist of scarifying, shaping, and compacting the base to conform to the required lines, grades, depths, and typical sections established by the plans or directed by the Engineer.

2. Conditioning of an existing base in preparation for the placement of additional layers of base material. Conditioning shall consist of scarifying, shaping, and compacting the base to conform to the approximate lines, grades, depths, and typical sections established by the plans or directed by the Engineer.

535-2 CONSTRUCTION REQUIREMENTS.

The base shall be compacted to a degree satisfactory to the Engineer. The Contractor shall dry or add moisture to the material when required to provide a uniformly compacted and acceptable base.

Conditioning shall not be done when the existing base contains excess moisture or is frozen.

The base shall be maintained in accordance with the provisions of Article 520­11 or 530­11.

535-3 METHOD OF MEASUREMENT.

The quantity of conditioning existing base to be paid for will be the actual number of units of 1,000 square yards of base over which the work of conditioning existing base has been acceptably performed. The length will be measured along the centerline of the surface of the base. The width will be the width required by the plans or established by the Engineer measured across the top surface of the base.

535-4 BASIS OF PAYMENT.

The quantity of conditioning existing base, measured as provided in Article 535­3, will be paid for at the contract unit price per 1,000 square yards for "Conditioning Existing Base."

The above price and payment will be full compensation for all work covered by this section including but not limited to scarifying, shaping, furnishing water, compacting, and maintaining the base.

Payment will be made under:

Conditioning Existing Base 1,000 Square Yards