TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
passing the 1-inch sieve. Material shall have Plasticity Index less than 15; Liquid Limit less than 30%;
5% to 40% passing the #200 sieve; and minimum R-value of 27.
D. Unsatisfactory Soils: Soils not meeting the requirements of Engineered Fill.
E. Backfill and Fill: Satisfactory soil materials.
F. Pavement Base Materials: refer to sections 02512, and 03300.
G. Bedding: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural
or crushed sand; ASTM D 2940; except with 100 percent passing a 1-inch sieve and not more than 8
percent passing a No. 200 sieve.
H. Detectable Warning Tape: Polyethylene film warning tape encasing a metallic core, minimum 6 inches
wide and 4 mils thick, continuously inscribed with a description of the utility.
I. Geotextile Fabric: Mirafi 500x or approved equivalent.
J. Reuse of Asphalt Grindings as Fill: Existing asphalt concrete pavement may not be ground up and
used as fill. Remove grindings from site and deliver to an independent asphalt recycler.
K. Drain Rock Gravel: Granular material, free of contaminants, material shall not contain debris, waste,
frozen materials, vegetation, and other deleterious matter, gravel to comply with Caltrans Standard
Specifications for Aggregate Bases (Section 26).
L. Aggregate Base: Comply with the latest edition of the Caltrans Standard Specification, Section 26. Use
Class 2 Aggregate Base materials which shall be free from organic matter and other deleterious
substances, and shall be of such nature that it can be compacted readily under watering and rolling to
form a firm, stable base.
1. Compaction: No less than 95% relative compaction. Comply with more stringent criteria as shown
in the Caltrans Specification or the project drawings.
PART 3 - EXECUTION
3.1 GEOTECHNICAL REPORT
A. The Contractor shall become familiar with all recommended soil modifications procedures as stated in
the Geotechnical Report.
B. Where recommendations differ from this Specification, the Contractor shall adhere to the
recommendations outlined in the report.
3.2 PREPARATION
A. Protect structures, utilities, pavements, and other facilities from damage caused by settlement, lateral
movement, undermining, or frost, and other hazards created by earthwork operations.
EARTHWORK 02300 - 2