Section 49 – Signals, Lighting and Electrical Systems
12/1/03
49.18
may be applied before Certificates of Compliance have been received. The Certificates
of Compliance shall accompany the order when shipped and be supplied to the Agency.
3. The steel street light pole, cast iron base, and light fixture shall all be painted and
fully cured at the time of manufacture and shipped to the job site ready for installation.
4. Light fixtures shall be powder coated. Surface preparation and coating application
shall be in conformance with both light fixture manufacturer’s specifications and coating
manufacturer’s recommendations. Color shall be a Federal Standard 595B color
number as specified in the Special Provisions or indicated on the Plans.
B. Surface Preparation (steel pole & cast iron base)
1. All surfaces to be painted shall be cleaned in conformance with the requirements in
Surface Preparation Specification No. 6, “Commercial Blast Cleaning”, of the Steel
Structures Painting Council (SSPC-SP6).
2. Cleaning shall leave all surfaces with a blast profile consisting of a dense, uniform,
angular anchor pattern of 1.5 to 2.5 mils as measured in conformance with the
requirements in ASTM Designation: D 4417.
3. All burrs and weld splatter shall be completely removed.
4. All surfaces shall be clean, dry, and free of any dirt, chalk, dust, oil, grease, salts,
curing compounds, release agents, preservatives and other detrimental foreign matter
before coating application is performed.
C. Coating Application (steel pole & cast iron base)
1. All paint shall be applied in accordance with the manufacturer’s recommendations
and these Specifications. Manufacturer’s recoat windows shall be adhered to.
2. Apply one prime coat of an epoxy coating. Coating manufacturer and product
identification shall be indicated in the Special Provisions or on the Plans, and approved
by the Sacramento County Department of Transportation Street Light Operations
Section. Dry film thickness shall be 4 to 8 mils.
3. Apply one intermediate color coat of a polyurethane. Coating manufacturer and
product identification shall be indicated in the Special Provisions or on the Plans, and
approved by the Sacramento County Department of Transportation Street Light
Operations Section. Dry film thickness shall be 2 to 3 mils.
4. Apply one finish clear coat of a polyurethane. Coating manufacturer and product
identification shall be indicated in the Special Provisions or on the Plans, and approved
by the Sacramento County Department of Transportation Street Light Operations
Section. Dry film thickness shall be 2 to 3 mils.
5. Total system dry film thickness shall be 9 mils minimum.
6. The bottom of the base plate and the interior of the steel street light pole up to the
handhole shall be coated with one coat of the epoxy primer (6 to 8 mils dry film
thickness). The top and edges of the base plate and the exterior of the pole shall be
multi-coated as detailed above.
7. The interior of the cast iron base, including the access doors, shall be coated with
one coat of the epoxy primer (6 to 8 mils dry film thickness). The exterior and edges of
the cast iron base, including the access doors, shall be multi-coated as detailed above.
8. The access doors on the cast iron base shall be removed during the painting
process.



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