Electrical Wiring provision for 32 nos Air conditioners, UPS power Wiring and Surge Protection for power critical existing power panel in the Department of CSE, SOT, AUS.

Amount

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required

4 x 10 + 2 x 6 sq. mm

2 x 4 + 1 x 4 sq. mm

4 x 16 + 2 x 6 sq. mm

Wiring for light point/ fan point/ exhaust fan point/ call bellpoint with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed steel conduit, with required accesories complete with FRLS PVC insulated copper conductor single core cable etc. as required. Group C

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator) Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 V, TPN MCB distribution board.

SITC DOL contact starter for operation of AC units complete with required (L&T /Havells/Legrand/Anchor) 2M pvc box, 2M face and base plate complete as directed.

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required

Single pole

Double pole

Supplying with fitting and fixing panel mounting open execution 25KA 415V 50Hz 4P MCCB (Ics=Icu, adjustable Ir setting 0.7) without enclosure) of the following capacity complete with making necessary connection as approved, specified and directed by the deptt.25 KA 415V 50 Hz 4P MCCB 63A TP&N

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

Wiring to 2 X 5 A pin 6 Amps modular plug point with 1.5 sq. mm P.V.C. insulated single core unsheathed industrial (Multistrand) cable FR conforming to IS-694: 1990 with flexible bright annealed electrolytic copper conductor for voltage grade up to 1100 volts Equivalent Make as approved by the Deptt. with flat 19 mm ISI marked casing 'n' capping ( equivalent make as approved by the Deptt in surface system, equivalent make as approved by the Deptt.), PVC surface box (6M) switch board with required face plate complete with phenolic laminated sheet cover including earth continuity with cable to third pin of the plug socket etc. as required complete, when placed elsewhere.

SITC pf surge absorber on the power panel Type 1+2 AC Surge Protection Device(Poles TP+N ,Uc 320 V ,In 20 kA, Iimp 12.5 kA, Imax 50 kA, Up 1.5 kV) (Make Havells/L&T/legrand ) with indicator installed in 6 way SPN DB complete with wiring of existing power panel of required wire gauge and earth connectivity as directed by the department.

Supply of the surge absorber catridges Type 1+2 AC Surge Protection Device (Make Havells/L&T/legrand )

Sib Shakti Electricals