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TranSystems Corporation - LGM Construction

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501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11<br />

SECTION 02300 - EARTHWORK<br />

PART 1 - GENERAL<br />

1.1 DEFINITIONS<br />

A. Backfill: Soil materials used to fill an excavation.<br />

B. Base Course: Layer placed between the subbase course and concrete paving and layer placed<br />

between subgrade and foundation slab.<br />

C. Bedding Course: Layer placed over the excavated subgrade in a trench before laying pipe.<br />

D. Borrow: Satisfactory soil imported from off-site for use as fill or backfill.<br />

E. Excavation: Removal of material encountered above subgrade elevations.<br />

F. Fill: Soil materials used to raise existing grades.<br />

G. Structures: Foundations, slabs, curbs, or other man-made stationary features constructed above or<br />

below the ground surface.<br />

H. Subgrade: Surface or elevation remaining after completing excavation.<br />

I. Utilities include on-site underground pipes, conduits, ducts, and cables.<br />

1.2 PROJECT CONDITIONS<br />

A. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless<br />

permitted in writing by Owner and then only after arranging to provide temporary utility services<br />

according to requirements indicated.<br />

PART 2 - PRODUCTS<br />

2.1 SOIL MATERIALS<br />

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from<br />

excavations or from designated area of existing soil stockpile.<br />

B. Refer to the geotechnical report for more information related to earthwork materials if interpretations or<br />

more information is needed.<br />

C. Engineered Fill: Granular material, free of contaminants, free of rock or gravel larger than 3 inches in<br />

any dimension and shall contain no more than 15% material larger than 2.5 inches. Material shall not<br />

contain debris, waste, frozen materials, vegetation, and other deleterious matter, with at least 90%<br />

EARTHWORK 02300 - 1

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