Lighting Installation Clause Samples

Lighting Installation. Office lighting wired in flexible plug-in wiring is configured from circuits on Tenants lighting distribution boards located in on-floor electrical riser cupboards. Switching is by central on-floor control. Typical luminaires provided are T5 fluorescent lamp, recessed modular type, with electronic starters with a reflector and a louver assembly in accordance with the spirit of LG7, subject to the limitations of Building Regulations for efficiency of luminaires. Luminaires at emergency exits and 5% of the total on-floor are provided with self contained battery—inverter packs giving 3 hours emergency operation necessary for escape lighting. The emergency lighting circuits are un-switched and run separately. The average lighting level in open plan office spaces (at desk height) is approximately 350 lux. The Lighting level in emergency model is 1 lux. Daylight controlled dimming and occupancy-sensing switching are provided to aid compliance with Building Regulations Part L2.
Lighting Installation. General Lighting Office lighting to achieve 500 lux average illuminance from LG3 Category 2 luminaires, 500mm by 500mm, high frequency regulated ballasts, including modular wiring system and switching to luminaires, 2No circuits per floor; lighting installation via marshalling boxes to provide interface with lighting control system by occupier. Dimming installation to adjust lighting level; each circuit dimmed separately. Luminaire nett return air slots. The lighting to a typical floor shall be divided into four zones, each zone controlled by a four button master switch plate which sets the levels achievable from the office light switches. The master switches are linked into the floor central controller and the transmitter floor controller, located within the electrical riser cupboard.