BUILDING SPECIFICATIONS 5. INCOMING POWER SUPPLY The supply to the building will be at LV rate for Multi Tenancy use. The low voltage switchroom will be designed to accommodate a main distribution board suitable for multi tenancy metering, provision for power factor and surge protection. Power factor correction shall be provided by the Landlord to ensure a minimum corrected value of 0.95 exists on all phases. 6. DISTRIBUTION BOARDS The Main Distribution Board shall be of Form 4 construction and shall serve the 2 No. Tenant sub distribution boards on each floor located in the Electrical risers. Each tenant sub distribution board shall be of Form 2 construction and shall be provided with 20% spare capacity. 7. WORKSTATION Typical workstation based on one per 8 sq m (subject to tenant fit-out M&E review) to be provided with an electrical floor box with the following services: • 2 No. twin sockets c/w RCBO protection. • 4 gang data outlet plate (space provision only). Each floor box shall be powered via underfloor busbar module units fed from the local tenant sub distribution board. 8. GENERAL AND EMERGENCY LIGHTING Luminaire specification and location within the facility is critical so as to achieve wall and ceiling light reflectance. The majority of light fittings shall be LED fittings suitable for dimming. Lighting levels and glare indices will be in accordance with ISEN 12464 light and lighting, Lighting at work (all parts). The light fittings selected will be suitable for use in a computer environment and shall be capable of illuminating all surfaces. Emergency lighting shall comply with IS 3217. Emergency lighting shall be provided via 3-hour battery packs contained within the fittings. An emergency lighting central test unit shall be installed. A lighting control system will be included in the design incorporating presence sensors and an ability to incorporate daylight control by the Tenant which will automatically dim lights and save energy when daylight available. 34
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