1101. 06(e) 1101. 07(b) height and three mounting heights transverse distance, of not less than 20% of the bare lamp lumen output.
1101. 07 LUMINAIRES (HIGH -MAST LIGHTING) —Furnish open- type, cutoff luminaires complete with lamps, ballasts, associated hardware, and necessary wiring as specified in Sections 1101.06(a) , (b), and (c) , and as follows:
• Provide with adjustable slip -fitters designed for a 2- inch tenon to allow a positioning adjustment of ±3 degrees about the tenon axis.
• Provide with a heavy -duty, porcelain- enclosed, lamp socket, with the brass shell impregnated to prevent thermal freezing with the lamp base.
• Provide a lamp- stabilizing clamp that is non asbestos -lined, heat -resistant, and stainless steel.
• Equip luminaires with ballasts, as specified in Section 1101.06(a).
• Furnish 400 W, high- pressure sodium lamps with a minimum initial output rating of 50, 000 lumen and a minimum rated life of 24, 000 hours based on 10 hours of operation per start.
• Furnish lamps that burn in a vertical (base- up) position.
• Provide luminaires with a maximum luminous intensity angle nominally 60 to 65 degrees from nadir.
• Furnish luminaires having a projected area not exceeding 3.5 square feet, an EPA not exceeding 2.0 square feet, and exerting a gravitational force not more than 75 pounds.
• Provide glare shields, when indicated.
• Furnish luminaires that provide the following nominal initial luminous intensity at the angless pecified below :
Vertical Angle
(candelas)
20 2,850 30 4,170 40 4,760 50 7,500 55 9,550 60 12,900 65 13,800 70 9,250* 72 1/2 7,350* 75 4,350* * These are minimum values at the respective angles. Other candelas are nominal values.
Furnish vertical luminous intensity trace data to ascertain compliance with luminous intensity distribution requirements.
1101. 07(b) 1101. 07(b)
• Provide a precision cast or formed housing of minimum 96% copper -free aluminum, minimu m shell thickness of 0.050- inch, with stainless steel or zinc plated steel fastening hardware and an integral 2-inch slip -fitter, capable of adapting to the mounting tenons and adjustable for 1 1/4-inch or 2- inch mounting pipe. Provide integral die cast mounting pipe stop feature and integral levelling means.
• Provide ANSI/NEMA C136.31 Vibration Test Level 3G.
• Provide factory installed LED array thermally sealed to heat sink.
• Driver to be accessible and removable without the use of tools. Enclosure to be