ELLIS BARN
SECTION 16511 – LIGHTING SYSTEM
PART 1 – GENERAL
1.1
SUBMITTALS
A.
1.2
Complete sets of fixture shop drawings in sufficient detail and engineering data to
include photometric data to permit a thorough review of each fixture. Indicate the
type of metal used, its thickness, finish, the painting process, the rust-inhibiting
method used and the reflecting surface finish. Provide ballast manufacturer and
specifications.
JOB CONDITIONS
A.
Contractor shall coordinate with other trades before installing the fixtures to avoid
damage and conflict of the installation.
B.
In utility rooms light fixtures shall be mounted below the duct work or pipes and
positioned to provide illumination to control panels, meters, gauges, etc.
PART 2 – PRODUCTS
2.1
EXIT LIGHT FIXTURES
A.
Lighting fixture shall be an LED exit light with integral battery backup. The unit
shall be suitable for ceiling, end, or wall mounting and shall be single or double
faced with 6 inch red letters on a white die-cast aluminum body with a white
stencil face. Knockouts shall be provided for directional arrows as required.
Lamps shall be light emitting diodes (LEDs) with an optical diffuser to provide
even illumination across the entire ¾ inch wide stroke. Fixture shall be dual rated
for 120/277 volts with circuit protection for all major components. The unit shall
be equipped with an integral battery pack consisting of sealed nickel cadmium
batteries, battery charger, automatic load transfer device, test switch, and charger
mode indicating lights. The batteries shall be capable of operating the fixture for
a minimum of 90 minutes and the charger shall be capable of recharging the
batteries in less than 12 hours.
B.
The fixture shall be as manufactured by one of the following: Exide or as
approved by Dual-Lite LED Series, Cooper Lighting/Sure-lites Catalog Series
CAX-LED, Lightalarms Electronics Corp. Galaxy Series, Catalog Series XLED,
Lithonia LED Series (diffuse design), Siltron LED Series.
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2.2
EMERGENCY LIGHT FIXTURES
A.
Fixture Housing: Decorative flame rated thermo plastic (UL 94V-o) unless noted
otherwise on drawings.
B.
Lamps shall be two heads, fully adjustable glare-free 12.0W (min.) sealed beam,
and guaranteed to provide 1.0 footcandle on the floor (horizontal) at 25 feet away
when mounted at 8’-0” above floor. The outdoor head shall comply with the
preceding requirements and shall be weather-proof.
C.
Emergency battery power pack (where noted on fixture schedule) shall be
completely self-contained, with self-diagnostic features, fully automatic with solid
state charger, automatic battery protection, frequency inverter, maintenance-free
pure lead-calcium battery with 15 year expected life and prorated warranty.
Battery shall be sized to provide emergency lighting for a minimum of 90
minutes.
D.
Unit shall be Lightalarm Cavalier Series or approved equal as on exit lights.
PART 3 – EXECUTION
3.1
INSTALLATION
A.
Location of light fixtures shown on the drawings are tentative. Contractor shall
obtain final reflected ceiling plan from Architect or lighting designer prior to
rough-in for exact location of fixtures. The changes in location (no change in
quantity) shall be at no cost to the Owner.
B.
Aiming of all adjustable light fixtures shall be done only during dark hours and in
the presence of the Architect or lighting designer. The fixtures shall then be
positioned to final focus as directed by the Architect or lighting designer.
C.
Emergency Lighting: The emergency lighting layout shown is tentative.
Contractor shall modify the whole emergency lighting system as shown such that
the illumination level will conform to the Code requirement. Specifically, the
system shall be arranged to provide initial illumination that is at least an average
of 1 foot-candle (11 lux) and a minimum at any point of 0.1 foot-candle (1 lux)
measured along the path of egress at floor level. Illumination levels shall be
permitted to decline to 0.6 foot-candle (6 lux) average and a minimum at any
point of 0.06 foot-candle (0.6 lux) at the end of the emergency lighting time
duration. A maximum-to-minimum illumination uniformity ratio of 40 to 1 shall
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not be exceeded. To meet this requirement, the Contractor shall, at his option and
as necessary, install more lamps instead of the those shown, adjust the intervals,
provide additional units or accessories, use larger wattage lamp and/or power
supply, or a combination of the mentioned options. In addition, the Contractor
shall provide a point-by-point photometric layout to prove that this requirement is
satisfied. This photometric layout shall be submitted with fixture submittal.
END OF SECTION 16511
LIGHTING SYSTEM
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