SITC of Centralized Air conditioners in Stack area of AandN Archives at Secretariat complex, Port Blair

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.

a) 4 X 6 sq. mm + 2 X 6 sq. mm earth wire

b) 4 X 16 sq. mm + 2 X 6 sq. mm earth wire

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).

a) 4 way (4 + 12), Double door

b) 8 way (4 + 24), Double door

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.

a) Triple pole and neutral

Supplying and fixing following rating, four pole, 415 V, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

a) 100 Amps

Supplying and laying of following size of DWC HDPE pipe, ISI marked along with all accessories like socket,tee, bend, couplers etc. conforming to IS 16205 (Part 24), 2018 (old IS 14930, Part 2,2001) completes with fitting and cutting, jointing etc. on surface etc. complete as required.

a) 120 mm dia (OD-120 mm & ID-103.5 mm nominal)

Cutting cement concrete and refilling with cement concrete of grade 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate of 40 mm nominal size) and making good the same etc as required and as directed by Engineer-in charge.

Supplying and making end termination with aluminium lugs for following size of XLPE insulated armoured power cable of 1.1 KV grade

a) 3.5 Core X 120 sq.mm

Providing and fixing of refrigerant hard drawn copper pipes of following sizes (Suction & delivery) of split type AC i/c providing electrical cables (4 core 4sqmm), insulation, extra gas charging, cutting, drilling holes on the wall for passing gas pipes , fixing suitable size PVC pipe on the wall through the holes and cementing, painting to give an even look and smooth finish and covering with PVC non adhessive tape over the insulation of refrigerant pipes and as per the direction of E-in-C

a) Refrigerant pipes of Sizes 7/8" & 1/2"

Supplying and fixing of air ducting fabricated out of GI Sheet confirming to latest IS:655 and complete with dampers, tab hangers, anchor fasteners, framework etc and complete as required and as indicated below. GI Sheet shall be grade 120 confirming to latest IS:277

a) Duct with 0.63mm thick GI sheet(24SWG)

Supply & Fixing of air powder coated Aluminium grills/diffusers with / without volume control dampers of following description with necessary frame work complete as required.

a) Supply Air Ext.Al. linear grilles 0,15,30 &45 degree deflection with G.I damper

Supply and fixing of Thermal insulation of 19mm thickness for supply air ducting made of Class 0 endless sheet with self adhesive pre-covered with Alumunium foil,make ARMAFLEX code no COA-19mm/EAL +SA or equivalent, complete as required.

Fabrication and fixing of stand/Pedestal required for out door unit & bracket for AC duct supports made of suitable size MS Angle including painting with anti corrosive primer and enamel paint as required.

Supplying and fixing of following sizes of CPVC plumbing pipe along with accessories for fixing as drain pipe to IDU of ductable split type Air conditioner in surface/recess make: PRINCE SMARTFIT or equivalent including connections using cpvc cement solvent,providing suitable size union in every 03 metres, elbows, Tee, F.T.A etc ,cutting the wall and making good the same in case as required Make: PRINCE SMARTFIT or equivalent.