Specifications - State of Delaware

SECTION 263600 - TRANSFER SWITCHES
PART 1 - GENERAL
1.01 SUMMARY:
A. This Section specifies transfer switch work, including associated control devices as indicated
by drawings, schedules, and as specified herein.
B. Types of transfer switches required for the project include the following:
1. Automatic transfer switch with manual bypass-isolation.
C. Related Work Specified Elsewhere:
1. Wires/cables, electrical raceways, boxes and fittings which are required in conjunction
with transfer switch work: specified in other DIVISION 26 Sections.
2. Concrete and grout for transfer switch pads and foundations: Specified in DIVISION 03.
1.02 REFERENCES:
A. Applicable Standards: Comply with applicable requirements of the following standards:
1. Underwriters Laboratory (UL): Provide transfer switches and components which are
UL listed and labeled:
a. 1008 - Automatic Transfer Switches.
b. 486A - Wire Connectors and Soldering Lugs for Use with Copper Conductors.
2. National Electrical Manufacturers Association (NEMA):
a. ICS1 - General Standards for Industrial Control and Systems.
b. ICS2 - Industrial Control Devices, Controllers, and Assemblies.
c. ICS6 - Enclosures for Industrial Controls and Systems.
d. 250 - Enclosures for Electrical Equipment (1,000V Maximum).
3. National Fire Protection Association (NFPA):
a. 70 - National Electrical Code.
b. 101 - Code for Safety to Life from Fire in Buildings and Structures Pertaining to
Transfer Switches.
1.03 DELIVERY, STORAGE AND HANDLING:
A. Deliver transfer switches and associated devices in factory-fabricated type containers or
wrappings that properly protect equipment from damage.
B. Store transfer switches and associated devices in original packaging and protect from weather
and construction traffic. Wherever possible, store indoors; where necessary to store outdoors,
store above grade and enclose with watertight wrapping.
C. Handle transfer switches and associated devices carefully to prevent physical damage to
equipment. Do not install damaged equipment; remove from site and replace damaged
equipment with new equipment.
1.04 SUBMITTALS:
A. Refer to DIVISION 01 and SECTION 260000 - BASIC ELECTRICAL REQUIREMENTS for
administrative and procedural requirements for submittals.
B. Includes, but not limited to, the following:
1. Product Data: Submit manufacturer's data and installation instructions for transfer
switches.
2. Shop Drawings: Submit dimensioned drawings of transfer switches also showing
equipment weight. (Provide center-of-gravity for seismic rated switches.)
3. Wiring Diagrams: Submit wiring diagrams for electrical transfer switches, and
associated control devices showing connections to prime and alternate power sources,
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