Design and Construction Handbook - Los Angeles World Airports

Guide Specification
SECTION 26 05 44 – UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL
SYSTEMS
PART 1 - GENERAL
1.1 SUMMARY
A. This Section includes the following:
1.2 REFERENCES
1. Ducts in concrete-encased duct banks.
2. Handholds and hand hole accessories.
3. Manholes and manhole accessories.
A. ANSI C2
B. NFPA 70
C. City of Los Angeles Electrical Code (LAEC)
D. ASTM 478
E. UL 651
F. NEMA TC-2, TC-3
G. ASTM 615
H. ASTM C990
I. AASHTO HS20
1.3 SUBMITTALS
A. Product Data: For the following:
1. Manhole and hand hole hardware.
2. Conduit and ducts, including elbows, bell ends, bends, fittings, and solvent
cement.
3. Duct-bank materials, including spacers and miscellaneous components.
4. Warning tape. Detectable type.
B. Shop Drawings: Show fabrication and installation details for underground ducts and
utility structures and include the following:
UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS
26 05 44 - 1 Electrical Systems