Design and Construction Handbook - Los Angeles World Airports

1.31.6 Utilities
A. Pursuant to Section 4216 of the Government Code, at least 2 working days prior
to commencing any excavation, the Contractor will be required to contact the
regional notification center (Underground Service Alert of Southern California)
and obtain an inquiry identification number.
B. The following includes a list, but is not limited to, of utility companies and
representatives whose facilities may be impacted by this Project:
Agency/Company Phone Number
City of L.A., Dept. of Water and Power -Water (213) 481-5411
City of L.A., Dept. of Water and Power- Power (213) 367-4215
Southern California Gas Company (310) 605-4181
SBC Regional Engineer Office (Los Angeles County) (310) 847-1121
Utility Protection:
A. All utilities encountered during the execution of the Work shall be maintained
continuously in service, unless other arrangements satisfactory to the utility
LAWA and the Engineer are made. Utilities shall include, but not be limited to, all
above or below ground conduit, pipes, wet wells, ducts, cables, and
appurtenances associated with oil, gas, water, steam, irrigation, sewer, storm
drain, wastewater, air, electrical, power, instrumentation, communication,
telephone, TV, and lighting systems, whether or not owned by the City. All
valves, switches, vaults, and meters shall be maintained readily accessible for
emergency shutoff.
B. Fire and police call boxes and conduits shall be protected by the Contractor.
Should said facilities be damaged by the Contractor's operations, immediate
notification shall be given to LAWA.
C. When placing concrete around or contiguous to any non-metallic utility
installation, the Contractor will be required to :
1) Furnish and install a 50mm (2 inch) cushion of expansion joint material or
other similar resilient material; or
2) Provide a sleeve or other opening which will result in a 50mm (2 inch)
minimum-clear annular space between the concrete and the utility; or
3) Provide other acceptable means to prevent embedment in or bonding to the
concrete.
D. Where concrete is used for backfill or for structures which would result in
embedment, or partial embedment, of a metallic utility installation; or where the
coating, bedding or other cathodic protection system is exposed or damaged by
the Contractor's operations, the Contractor shall notify the Airport Contact and
arrange to secure the advice of the affected utility LAWA regarding the
procedures required to maintain or restore the integrity of the system.
Design and Construction Handbook
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Handbook (Version 3) 01.15.11