Shifting and ITC of Floor mounted AC Units i/c providing AC wiring and allied works at CSC Telephone Bhawan, Sri Vijaya Puram.

General servicing & cleaning of 3.0 TR / 1.5 TR Air Conditioner (both indoor and outdoor) by removing all dirt and dust from the fins, and cleaning the fins/tubes with cleaning solution, combing the fins, Cleaning drainage i/c replacing the missing fasteners, lugs, connectors, ferrules, nuts and bolts, checking & tightening the connections, complete as required

Dismantling of 3.0 TR / 1.5 TR type AC unit from the existing position (both indoor and outdoor) with associated support, including pumping down the available refrigerent gas, disconnecting the electrical and mechanical connections, shifting the same to proposed location in the same room etc complete as required

ITC of 3.0 TR / 1.5 TR Split AC unit i/c fixing of out door and indoor unit on the existing wall/angle iron frame, i/c connections with existing wires, leak testing, testing, commissioning etc complete as reqd

S/F of copper refrigerant line combined with 1/2" & 7/8" (nominal) including making thermal insulation with polifoam sheet of not less than 5 mm thick (nominal), supplying and laying 4 core 2.5 sqmm PVC insulated PVC sheathed copper conductor cable, connections etc as required (For 3.0 TR)

Supplying & Charging refrigerent in existing AC unit as per manufacturer recommendations complete as required

Supplying and fixing the following spares in the existing AC units including dismantling the faulty one, fixing, connections with existing wires etc as required. a) Outdoor motor

b) PCB board

c) 4/6 MFD Capacitor

d) Single Phasing Preventer

e) 25A, 3 Pole 3 Phase contactor suitable for operation on 415V, 50 Hz supply

f) Outdoor fan motor with blade

Supplying and Fixing of following size PVC trunking system on the surface of wall / floor / ceiling / on the the existing cable tray with necessary connected accessories like bends, Elbows, Tee, etc as required. [Make MK India / LK or any Similar Superior Make] (a) 25 mm x 12 mm

(b) 32 mm x 12 mm

(c) 50 mm x 16mm

(d) 100 mm x 50mm

Supplying and fixing 3 Way sheet steel MCB enclosure suitable for operation on 230V, 3 Ph AC Supply, on surface/recessed of wall etc as required

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/PVC Casing & capping, connections etc as required (a) 2x2.5 Sqmm + 1x2.5 sqmm

b) 4x2.5 sqmm + 2x2.5 sqmm

Supplying and fixing of 4 Way surface/recess mounting, Vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, with provision of MCCB (up to 125A) as incomer, inclusive of 200 A tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCBs and incomer ) as required

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "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. a) Single pole

b) Triple pole

Supplying and fixing 100A 4 Pole MCCB with 30 kA Breaking capacity, having thremal release range 63-80A, in the existing DB including connections with existing wire/bus link, testing etc as required (M/s L&T DU100H or similar superior make)

Dismantling the unused/unserviceable wiring, conduits, SDB's, light fittings, fans, socket outlets, without disturbing the working of CSC counters, stacking the dismantled items at specified location in the same building etc as required

Supplying and fixing 36 watt LED panel luminaires surface/recessed type, 230V, 50Hz, 1 Ph, including making all electrical connections with suitable size PVC insulated copper conductor wire etc. as required (M/s Cropton Greaves/Havells or SS make)

Supplying and fixing 40 Watt, tower fan with minimum air flow capacity of 2000 cbm/hr, with cord, and speed regulator, complete etc. as required (M/s Philips model: Tower Fan/CX5535/00 or SS make)