Design and Construction Handbook - Los Angeles World Airports

Guide Specification
SECTION 26 28 26 - ENCLOSED TRANSFER SWITCHES
PART 1 - GENERAL
1.1 SUMMARY
A. Section includes transfer switches in individual enclosures.
1.2 REFERENCES
A. National Electrical Manufacturers Association:
1. NEMA ICS 10 - Industrial Control and Systems: AC Transfer Switch Equipment.
B. International Electrical Testing Association:
1. NETA ATS - Acceptance Testing Specifications for Electrical Power
Distribution Equipment and Systems.
C. Underwriters Laboratories Inc.:
1.3 SUBMITTALS
1. UL 1008 - Transfer Switch Equipment.
A. Submit shop drawings after Short Circuit and Overcurrent Protective Device
Coordination Study, is approved. Shop drawings submitted without approved study will
be returned and not reviewed.
B. AIC ratings shown on the single line diagrams are approximate values only. The AIC
ratings of all submitted equipment must conform to the approved Short Circuit and
Overcurrent Protective Device Coordination Study.
C. The electrical contractor shall submit 3@=1=0@ scale sketches of all electrical rooms and
areas including actual dimensions of all equipment in electrical rooms and indicate
clearances per NEC, as well as door swings or other obstacles. Sketches shall be
submitted along with or prior to shop drawing submittals. Shop drawing submittal
without sketches shall be returned and not reviewed.
D. Product Data: Submit catalog sheets showing voltage, switch size, ratings and size of
switching and overcurrent protective devices, operating logic, control schematics, short
circuit ratings, dimensions, and enclosure details.
1.4 CLOSEOUT SUBMITTALS
ENCLOSED TRANSFER SWITCHES
26 28 26 - 1 Electrical Systems