Laserfiche WebLink
B. The anchor bolts for Type III CF service equipment cabinets shall be 5/8 inch diameter, minimum. <br /> C. One (1) each Type III CF service equipment cabinets shall have one 200 -amp meter socket. See the <br /> construction plans for wiring schematic. <br /> D. Cabinets shall be prime coated and finished in accordance with Section 2.02 "Painting ". A graffiti coating <br /> acceptable to the City shall then be applied. <br /> E. Circuit breakers used as service disconnect equipment shall have a minimum interrupting capacity of <br /> 42,000 amperes, RMS, for 120 /240 -volt services and 30,000 amperes, RMS, for 480 -volt services. <br /> F. Minimum amperage for sub- circuit breakers shall be as shown on plans. <br /> G. Circuit breakers shall be mounted on non - energized clips. All circuit breakers shall be mounted vertically <br /> with the up position of the handle being the "ON" position. <br /> H. Dead front panel or panels, and corresponding exterior door, shall be hinged on one side and shall be <br /> able to open without the use of tools. <br /> 2.12 HEAT SHRINK TUBING <br /> A. Heat shrink tubing shall be dual wall, irradiated polyefin tubing containing an adhesive inner wall. When <br /> heated, the inner wall shall melt and fill all crevices and interstices of the object being covered while the <br /> outer wall shrinks. Each end of the heat shrink tube or the open end of the open end of the end clamp of <br /> heat shrink material shall, after contraction, overlap the conductor insulation at least 1 -1/2 inches. <br /> B. All heat shrink tubing shall also meet the following requirements: <br /> 1. Shrinkage Ratio: 33 percent, maximum, of supplied diameter when heated to 125 °C. and allowed <br /> to cool to 25 °C. <br /> 2. Dielectric Strength: 350 kilovolts per inch, minimum. <br /> 3. Resistivity: 1014 ohms per centimeter, minimum. <br /> 4. Tensile Strength: 2,500 lbs. per square inch, minimum. <br /> 5. Operating Temperature: -5 °C. to 135 °C. <br /> 6. Water Absorption: 0.5 percent, maximum. <br /> 2.13 DUCT SEAL <br /> A. Sealant for duct seal shall consist of "Duct Seal Compound" as manufactured by Johns - Mansville <br /> Industries, Appleton Electric Company and Killark Products, or approved equal. <br /> 2.14 PHOTOELECTRIC CONTROLS <br /> A. Photoelectric controls shall conform to the provisions in section 86 -6.07 "Photoelectric Controls" of the <br /> Standard Specifications and these specifications. <br /> B. Unmetered street lights or lighting _circuits shall use. Type IV photoelectric_ controls. Each luminaire shall .. . . <br /> be equipped with an individual photoelectric unit conforming to Section 86- 6.07B(1) of the State Standard <br /> Specifications with the following additional requirement: <br /> 1. The photoelectric unit receptacle shall be adjustable to allow for positioning to the satisfaction of <br /> the City Engineer. <br /> C. Metered street lighting circuits serviced from an electrical service equipment enclosure shall use Type V <br /> photoelectric controls. Each Type III -BF or Type III -CF service equipment enclosure shall be equipped <br /> with a central photoelectric unit capable of switching multiple lighting circuits. Each luminaire shall be <br /> supplied with a shorting cap when a Type V photoelectric control is used. <br /> 2.15 SIGNAL INTERCONNECT CABLE <br /> A. Signal Interconnect Cable (SIC) shall be six -pair No. 19, AWG solid bare copper conductors. Conductors <br /> shall be in twisted pairs. Color coding shall distinguish each pair. SIC cable shall conform to IMSA <br /> Specification 20 -2 -1984. <br /> SIGNALS LIGHTING AND ELECTRICAL SYSTEMS 16500 -7 <br /> EMERGENCY VEHCILE PREEMPTION PROJECT 2010 <br />