12/1/03
49.1
SECTION 49
SIGNALS, LIGHTING AND ELECTRICAL SYSTEMS
49-1 GENERAL
Signals, lighting and electrical systems shall be constructed or installed as shown or
specified in the Contract, these Specifications, the applicable State Plans, and the applicable
provisions of Section 86, “Signals, Lighting and Electrical Systems”, of the State Specifications,
except that the provisions of Section 86-1.03, "Cost Break-Down" shall not apply.
49-1.01 Definitions
Definitions for signals, lighting and electrical systems shall be as specified in Section
86-1.015, “Definitions”, of the State Specifications, and the following:
Programmed Visibility Signal Head—A type of signal head that can be optically
programmed to restrict visibility of indication(s) to only those areas or lanes
designated.
Signal Standard—Any pole which supports signal head(s).
Street Light Standard—The pole, and mast arm if required, which supports the
luminaire.
49-1.02 Abbreviations
Abbreviations for signals, lighting and electrical systems shall be as specified on page ES-
1A of the State Plans, and the following:
EVD—Emergency Vehicle Detector
I/C—Interconnect Cable
L.C.—Lower Case
PG&E—Pacific Gas & Electric Company
SMUD—Sacramento Municipal Utility District
U.C.—Upper Case
49-1.03 Regulation and Code
Electrical equipment shall conform to the following standards wherever applicable: the
International Municipal Signal Association (IMSA) and The National Electrical Code (NEC), as
amended by the County, and the standards cited in the first sentence of Section 86-1.02,
“Regulations and Code”, of the State Specifications.
49-1.04 Equipment List and Drawings
If requested by the Agency, the Contractor shall submit for review sample articles of the
material proposed for use. After review, said sample articles will be returned. The Contractor
shall include on the equipment list and on the equipment itself the installation location of
material supplied. This shall be done by the use of street names, the alphabetical letter
designation used on the Plans, or a location as otherwise noted on the Plans. Equipment lists
and drawings shall conform to Section 86-1.04, "Equipment List and Drawings”, of the State
Specifications.
The equipment and materials proposed for use on any project shall be approved by the
Agency before starting work.
In conformance with the requirements in Section 11-3, “Record Drawings”, of these
Specifications, the Contractor shall maintain record drawings that shall show in detail the
construction changes of all traffic signal and streetlight wiring, conduits, standards, and



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