substitution request - Alliance Construction Solutions

Project No.: 10145
550 15th Street Dual Brand Hotel
03/19/2012
operating modes are free from negative effect on lamp life and color-rendering
capability.
11. Continuous Dimming Ballast: Dimming range shall be from 100 to 35 percent of rated
lamp lumens without flicker.
a. Ballast Input Watts: Reduced to a maximum of 50 percent of normal at lowest
dimming setting.
C. High-Pressure Sodium Ballasts: Electromagnetic type, with solid-state igniter/starter.
Igniter/starter shall have an average life in pulsing mode of 10,000 hours at an igniter/startercase
temperature of 90 deg C.
1. Minimum Starting Temperature: Minus 40 deg F.
2.6 QUARTZ LAMP LIGHTING CONTROLLER
A. General Requirements for Controllers: Factory installed by lighting fixture manufacturer. Comply
with UL 1598.
B. Standby (Quartz Restrike): Automatically switches quartz lamp on when a HID lamp in the fixture
is initially energized and during the HID lamp restrike period after brief power outages.
C. Connections: Designed for a single branch -circuit connection.
D. Switching Off: Automatically switches quartz lamp off when HID lamp reaches approximately 60
percent light output.
2.7 EXIT SIGNS
A. General Requirements for Exit Signs: Comply with UL 924; for sign colors, visibility, luminance,
and lettering size, comply with authorities having jurisdiction.
B. Internally Lighted Signs:
1. Lamps for AC Operation: LEDs, 50,000 hours minimum rated lamp life.
2.8 FLUORESCENT LAMPS
A. T8 rapid-start lamps, rated 32 W maximum, nominal length of 48 inches, 2800 initial lumens
(minimum), CRI 75 (minimum), color temperature as specified on drawings, and average rated
life 20,000 hours unless otherwise indicated.
B. T8 rapid-start lamps, rated 17 W maximum, nominal length of 24 inches, 1300 initial lumens
(minimum), CRI 75 (minimum), color temperature as specified on drawings, and average rated
life of 20,000 hours unless otherwise indicated.
C. T5 rapid-start lamps, rated 28 W maximum, nominal length of 45.2 inches, 2900 initial lumens
(minimum), CRI 85 (minimum), color temperature as specified on drawings, and average rated
life of 20,000 hours unless otherwise indicated.
26 5100 - 7 INTERIOR LIGHTING