331_pdfsam_2.3- Mechanical, HVAC & Plumbing Specification Novotel

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Gulf House Engineering January 2010 Molded case circuit breakers and miniature circuit breakers shall be used for over current/shot circuit protection. Each motor drive circuit, main supplies to individual items of plant shall each be supplied through and M.C.B or M.C.C.B of suitable rating equipped with auxiliary contracts which will isolate the individual drives control circuit. Each of the control circuits shall be supplied through on M.C.B. Where miscellaneous circuits are controlled by means of relays, these shall be formed in to small logical groups of about eight each group being protected by an M.C.B.E.L.V circuits to thermostats, valve controls, instruments and similar items of equipment shall be formed into small logical groups of about six, each group being protected by an M.C.B. All starters motors rated at 1KVA and above shall have separate compartment within the panel. Motor starters shall be provided with a manual pre-set thermal overload incorporating single phasing protection. Relays will generally be 110V 11pin plug type, low voltage relays will generally be 8 ping plug type, and a suitable color code shall be used to indicate the voltage applied. Control switches shall be provided close to the incoming supply point. Wiring within the panel shall be carried out in PVC insulated cable of the appropriate cross sectional area, minimum size 1.5 mm and phase color. Extra low voltage A.C wiring will be colored white. All wiring shall be carried on the front surface of the mounting plate plastic cable trucking. Cable conductor sizes will be noted to take into account all grouping and enclosing factors. ll outgoing electrical cables shall be terminated at a numbered terminal strip at the top of the panel. The terminals shall be fully numbered in consecutive order and sized to cater for long runs, where voltage drops may necessitate increased cable cross sectional area. All components shall be identified with an engraved label. One spare 30 Amps rated M.C.B shall be provided on each bus bar. PART 2 – PRODUCTS 2.1 Interface Hardware A. Provide an Emergency Ventilation System control panel in the Security Room and Fire Command Centre to remotely control and monitor all emergency ventilation systems. The following equipment and shall have control and status monitoring facilities in the control panel:

B.

07-C106 NOVOTEL AL DANA RESORT TOWERS SECTION 15990 CONTROL CENTRE INTER-FACING

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