ELECTRICAL LIGHTING AND SMALL POWER
- Description: All items described within this section shall comply with the provisions of Section 15001: General M&E Requirements. Lighting installations shall be designed to provide the illumination levels to suit the site orientation. They shall conform to CIBSE or some other national approved standard. Lighting levels shall be measured at a plane 1,000mm above finished floor level (or above walkway levels in pump chambers and dry wells if applicable). Two-way switching shall be provided for areas where access may be gained via two physically separate doors. The Contractor shall prepare lighting layout drawings providing sufficient details to enable duct requirements to be ascertained prior to the casting of roof beams and columns. Lighting conduits shall be concealed and/or surface-mounted on ceilings and walls as per the requirements as specified. Conduits in tiled areas shall be concealed only beneath the tiles. Lighting fittings shall be complete with all supports, suspensions, flexible cables, pendants and plugs. They shall be connected to the main circuit wiring with 105°C heat resisting flexible cables of a minimum conductor size of 1.5mm². Silicon rubber insulated cables shall be used wherever necessary as per the instructions/approval of ADSSC. Break joint rings shall be used in conjunction with batten holders ceiling roses or back plates mounted onto a flush installation. Earthing of all pendant or semi-pendant fittings shall be by a separate core in the connecting flex or cable securely bonding the earth terminal on the fitting to the glanded joint of interconnecting cables. The use of pendant chains or the conduit support tubes as a means of earthing is prohibited. Standard fluorescent lighting fittings shall have two suspension or fixing points. All lampholders for flexible pendants shall be of the all insulated-skirted pattern with cord grips and for batten- or wall-mounting shall be of similar pattern. All lampholders shall be of the bayonet cap pattern. The point box suspensions and other parts of the lighting fittings shall be erected at times to suit the building programme for decoration. The glassware diffusers shade lamps and tubes shall not be fitted until all building work is complete.
- Standards: Local
- Location: Abu Zabi
- Categories: Fire Protection, Architecture, Structure, Mechanical, Electrical, Plumbing, Generic
- Sub Categories: Architecture, Extra Low Voltage (ELV), Low Voltage (LV), Fire Protection, Drainage, Water Supply, Air Conditioning, Smoke, Ventilation, Test Sub Discipline
- Posted: February 2nd, 2022, 4:18 pm
- LIGHTING
- PORTABLE PLANT
- WIRING
- DISTRIBUTION BOARDS
- SOCKET OUTLETS
- SWITCHES
- EMERGENCY LIGHTING