TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
A. Work and decontamination procedures in areas containing contaminated material shall be performed in
accordance with standard engineering practices.
B. Employ methods necessary to isolate contaminated soils from non-contaminated soils, including
trenching.
C. The excavation may include removing additional soils found to contain residual contamination as
directed by the Owner based on post excavation sampling and analyses described in Paragraph 3.6 of
this Section.
D. Separate excavated contaminated soil based on the determination that the contaminated soil could be
from more than one source and by degrees of contamination (i.e., visually contaminated) or as directed
by the Owner.
E. Depending on conditions, “confined space entry” procedures in accordance with 29 CFR 1926.146 may
be required in the excavation. Explosion-proof blowers and exhaust fans shall be provided as
necessary to ventilate the excavation to prevent worker exposure. All work conducted under “confined
space entry” conditions shall be performed in accordance with the Contractor’s Health and Safety Plan.
The Contractor will also be required to obtain and post a confined space entry permit, if conditions
require such entry.
F. Keep excavated portion of the work reasonably free of water at all times, and until all work and backfill
is completed.
G. Shore and brace excavations where necessary to prevent cave-ins in accordance with all safety
regulations.
H. Conduct all soil screening and testing required by state regulations regarding excavation of
contaminated soil.
I. The excavation work shall be performed, protected, and supported as required for safety in the manner
set forth in the operation rules, order, and regulations prescribed by the Occupational safety and Health
Act (OSHA). More specifically, all excavation and trenching operations will be completed in accordance
with 29 CFR 1926.651-652 standards and personnel working around or in the excavation shall wear
approved head protection (e.g. hard hats and protective clothing/equipment).
J. All ignition sources and gasoline-driven equipment shall be removed from areas where flammable
vapors have been measured.
K. All existing monitor wells in the areas of construction are not to be disturbed.
3.4 STORAGE OF EXCAVATED MATERIAL
A. Temporarily stock-pile excavated contaminated soil at the designated holding area.
B. When stockpiling, excavated materials shall be placed on a base lined with 40 mil. (or higher gauge)
polyethylene and be completely and securely covered with 15 mil. (or higher gauge) polyethylene.
CONTAMINATED SOILS 02113 - 5