Specifications include, but are not limited to:. Cabinet
Height 54 inches maximum.
For dual-meter pedestals, provide a 24-inch minimum width.
Meet provisions of Buy America (UDOT Standard Specification Section 01455, Part 1.16).
Rainproof, NEMA 3R.
0.125” anodized aluminum 5052-H32 or 16 gauge #306 stainless steel, continuously welded or overlapped and carriage-bolted exterior and door seams, smooth and free of any voids.
Cabinet openings such as ventilation holes shall be designed to prevent entrance of insects such as wasps, hornets, or bees when access panel and doors are closed. If ventilation holes are required, install interior permanent, welded insect screens.
Provide adequate clearances inside the cabinet for pulling and connecting to service and distribution (field) wiring with conduits extending into the cabinet 2 inches maximum.
Sealed shatter- and UV-resistant polycarbonate windows for meter reading and photocell operation. Meters shall be visible from the front. Include photocell headlight shield that will not affect normal operation nor will harbor nesting insects.
Service entrance, meter, and distribution compartments with padlockable, vandal-resistant doors and covers, and corrosion resistant barriers separating each compartment. Compartments designed for safety and ease of maintenance with stainless steel piano hinges on access panel or access door. Place hinges on left side of door when facing the pedestal.
Cabinet shall fasten directly to pad-mount base encased in concrete, with option for attachment to anchor bolts. All mounting bolts shall be secured from inside the cabinet.
Permanent labels (etched or engraved) mechanically fastened to the cabinet. Adhesives are not acceptable. Exterior front-door label: “UDOT SIGNAL AND LIGHTING DISCONNECT”. Conform to UL508 Industrial Control Panel Labels for service entrance equipment requirements.
Provide documentation permanently and conveniently attached to the inside of the distribution section or a permanently attached interior documentation storage pocket or pouch. Documentation shall include the manufacturer’s name, address, phone number, a wiring diagram, date of manufacture, and all necessary information to order an identical pedestal and replacement parts.
Single-phase, 3-wire, 120V/240V, 100A.
200A utility landing lugs rated for 250 kCMIL wire with self-contained watt-hour meter sockets, main service disconnect, and meter bypass switch, meeting local power utility company requirements.
Single-meter pedestal: provide one meter socket for signal side.
Dual-meter pedestal: provide two meter sockets – one for the signal side and one for the lighting side. Per 2.1.11, label each socket “SIGNAL” and “LIGHTING” accordingly.
Provide adequate space for a meter puller.
Electrical components rated for temperatures between -30ºF and 130ºF.
Meet EUSERC requirements for all mounting hardware and installation details.
Provide plug in circuit breakers that are UL approved, industrial grade, and rated for 10K AIC minimum or higher as required for available fault current.
Signal Side Requirements:
Double pole 70-amp main plug-in circuit breaker labeled “Signal Main”.
One single-pole 30-amp plug-in circuit breaker labeled “Traffic Signal”, secondary to the Signal Main breaker.
Capacity for 4 single pole plug-in circuit breakers, also secondary to Signal Main breaker.