Contract LT-246 plans for 39th Street water line replacement

NYC 9/11 Public Portal Document

SECTION 2B

EXCAVATION, BACKFILL AND PAVEMENT RESTORATION

PART 1 - GENERAL

1.01 GENERAL REQUIREMENTS The work under this section consists of excavating, backfilling and rstorating pavement and sidewalk as shown on the Contract Drawings.

1.02 JOB CONDITIONS Protect excavations as follows:

A. Prevent water from entering excavated areas.

B. Dispose of water in manner such as not to cause injury to the public health or damage to public or private property.

C. If underlying soil is weakened or disturbed, replace it as directed by the Engineer.

D. Shut excavation as necessary and as approved by the Engineer to secure sides against movement.

PART 2 - PRODUCTS

2.01 BACKFILL MATEIRAL A. Use clean sand, gravel, or a mixture of these, with no organic matter.

B. Use material excavated at construction site which satisfies above requirements.

2.02 CONCRETE, Class D-18, and Asphalt concrete shall conform to the requirements of Divisions III and IV of the "Standard Specifica­ tions, Department of Highways, The City of New York".

2.03 DENSE GRADED AGGREGATE

A. Dense graded aggregate shall conform to all the requirements of the "New Jersey Interagency Engineering Committee - Standard For Dense Graded Aggregate Base Course", with the following exceptions:

1. Dense graded aggregate shall be quarry processed, quality controlled, crushed dolomitic limestone, gneiss, or traprock.

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NYC-WTC_000165280