Replacement of old conventional Air conditioners with Ductable Split type centralized unit in Railway Reservation Counter and SITC of high wall split unit in Room no. 202 at Secretariat Complex, Port Blair

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.

2 X 4 sq. mm + 1 X 4 sq. mm earth wire

4 X 10 sq. mm + 2 X 6 sq. mm earth wire

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

Supplying and fixing 20 A, 240 V, SPN Industrial type socket outlet, with 2 pole and earth, metal enclosed plug top alongwith 20 A, “C” curve, SP, MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required.

Supply and fixing of MCCB enclosure of sheet steel, phosphatisd,power painted suitable for 4 pole "G" frame MCCB. Make:- Havells CAT NO IHEGFP or equivalent.

Supply and fixing of MCCB,"G" frame, 160 Amps, 25KA breaking capacity in the existing Enclosure complete with connections, testing and commissioning etc. as required,Make:- Havells model no.IHLGHF0160# or equivalent.

SITC of 11 TR ductable Split AC,single circuit,03 ph, 415 Volts unit complete with all components like air cooled condenser , indoor coil unit, blower, Filters, controller, display unit and outdoor copper condensers unit with scroll compressors ,fan etc including pressure testing, vacuumising the system, & Installation of all hardware components,hanging on ceiling the IDU with suitable size bolts/brackets etc. as required make:- Hitachi, Model:-Toushi series R410a (or equivalent model in Mitsubishi/ Carrier/ Blue star/Daikin/Fujitsu) as per the instruction of E-in-C.

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

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, etc and complete as required and as indicated below. GI Sheet shall be grade 120 confirming to latest IS:277

Duct with 0.8mm thick GI sheet (22SWG)

Duct with 0.63mm thick GI sheet(24SWG)

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

Supply Air Ext.Al. Square/rectangular Diffusers with VCD

Return Air Ext.Al. Grilles 0,15,30 &45 deg. deflection without VCD

Supply and fixing of Thermal insulation of following thickness for supply air ducting made of Class 0 endless sheet with self adhesive pre-covered with Alumunium foil,make ARMAFLEX or equivalent, complete as required.

19 mm (code no COA-19mm/EAL +SA)

09 mm (code no COA-09mm/EAL +SA)

Supply and fixing Acoustic insulation of supply air ducting immediately after discharge of packaged unit made of 20 mm thick self adhesive Ductliner sheets make:- ARMASOUND super silence ductliner,code no ASD-SA-140-20 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 metallic 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.

Making of box enclosure for indoor AHU with 19 mm marine plywood and suitable size M.S Angle framing of size(3m x 2m x 1m),insulating the space inside the enlcosure with Thermacol sheet 12 mm thick for installation of indoor unit of Ductable split Air conditioner, making good the same, painting the enclosure with two coats of wood primer and two coats of enamel paint including removing & re-fixing of existing ceiling boards, carrying out necessary minor alterations in the Alumunium frame works of ceiling wherever required for laying of AC duct, and carrying out necessary replacement of ceiling boards if damaged during duct work etc. as per requirement of site and the instruction of E-in-C.

SITC of 1.5 Ton 5 star(As per 2018 BEE star rating) or 4 star(As per 2022 BEE star rating) Inverter High wall split type Air Conditioner (1 phase 220 Volt) with maximum cooling capacity of atleast 5250 Watts HITACHI KIYORA 5100X Model RSRG518HEEA or of equivalent cooling capacity in BLUESTAR/ VESTAR/ IFB/ MITSUBISHI/ O GENERAL/ DAIKIN with copper Condenser coil and rotary compressor i/c providing standard length of refrigerant copper pipe kit, cutting, drilling holes on the wall , cementing, painting to give an even look and smooth finish, wrapping PVC non adhessive white tape over insulation of gas pipe etc as required and as per the direction of E-in-C.

Supplying and fixing of 4KVA Voltage Stabilizer Suitable for 01/1.5 ton Air Conditioner as required of Make V Guard Model VND 400 (Voltage Range 150V-285V,12Amps.) or equivalent.

Providing & Fixing of pre-fabricated stand for keeping outdoor units of 1 Ton/1.5 Ton / 2 Ton Capacity split type AC as required.

TROPICAL REFRIGERATION