SPECIAL REPAIRS FOR REPLACEMENT OF BER AIR CONDITIONERS UNDER SIGNAL SCHOOL AND PROVISION OF AIR CONDITIONERS AT DINING HALL OF DSC AND VENDURTHY GALLEY NO.2 (P-163) AT NAVAL BASE KOCHI UNDER AGE E/M NO III

Amount

Supply, installation, testing and commissioning of Air cooled Floor mounted packaged type Inverter AC of capacity 22 TR, energy efficient with inverter type, supply and charging of eco-friendly refrigerent R-410A, hard drawn copper refridgerent piping between indoor and out door units, control cabling between indoor & out door units, canvas flexible connections at indoor units, provide rigid PVC drain piping 25 mm dia up to nearest drain point, package AC should comprising of hermetically sealed scroll compressor, cooling coil internally grooved copper tubing with aluminium fins, fans, motor, safety devices, hydrophilic coated suitable to work till 50°C ambient, including grouted on ribbed rubber pads as vibration insulators alongwith all standard fittings, HP/LP cutout, single phase preventer, OLR suitable for operational on three phase AC electric supply, including required foundation for base, MS frame stand for outdoor unit of Package Unit including fabrication work and installation work complete all as per OEM recommendation with making up good existing walls/floors/ceiling with existing finishes and electric switch breakers fixed on cable tray complete all as specified and as directed by Engineer-in-charge. Note: Items such as charging of gas, refrigerant piping, control cabling, draining piping used shall deemed to be measured and paid seperately under relevant items.

Material and laying of refrigerant piping (suction & discharge) hard drawn from hard copper tube of suitable sizes as recommended by OEM, with copper elbows, tees all connecting material with insulation for indoor and outdoor unit connections complete all as specified and as directed by Engineer-in-charge. Note: One run of both suction & discharge pipe line along with insulation shall be measured as one length.

Supply, Installation of control cabling between indoor unit and outdoor unit complete all as specified and as directed by Engineer-in-charge.

Suplly and fill of refrigerant 410A gas as specified and as directed by Eng-in-charge.

Supply and fixing of Hard PVC drain piping of 32mm PVC pipe alongwith 9mm nitrile rubber sleeve as recommended by OEM and as directed by Engineer-in-charge.

Supply, assembly and erection of GI sheet of size 24 Gauge (0.63mm) with TDF flange rectangular/ square duct made out of 'L' shaped hollow profile, duly factory boxed, including all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealant on longitudinal joints etc complete all as specified and as directed by Engineer-in-charge.

Supply, assembly and erection of GI sheet of size 22 Gauge (0.80mm) with TDF flange rectangular/ square duct made out of 'L' shaped hollow profile, duly factory boxed, including all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealant on longitudinal joints etc complete all as specified and as directed by Engineer-in-charge.

Supply and installation of thermal insulation having 19mm thickness with aluminium foil on ducts not exposed to sunlight using closed cell class 'O' Nitrile rubber elastomeric insulation of density 40 - 55 Kg/m3, T using manufacturer's recommended rubber based adhesive in a blend of solvents complete as per OEM recommendations and as directed by Engineer-in-charge.

Supply and installation of acoustic insulation having 10mm thickness at inside the duct with engineered Nitrile rubber open cell foam with density 150 - 180 Kg/m3 using manufacturer's recommended rubber based adhesive in a blend of solvents complete as per OEM recommendations and as directed by Engineer-in-charge.

Material and labour for machine made powder coated supply/return air square diffusers/grill of aluminium construction including 18G GI collar VCD for supply air inlet complete all as specified and as directed by Engineer-in-charge.

Material and labour for superior quality of canvas connection complete all as specified and as directed by Engineer-in-charge.

Note for Item No 1 to 11 :- (i) The work shall be carried out through OEM/authorized agency. The contractor has to submit the line diagram and load calculation and necessary documents duly signed by OEM before starting the work. Any modification additional requirement is there, the contractor deemed to include the cost of the same in the quoted rate. (ii) If required capacity not available, the next higher capacity shall be provided by the contractor and the cost for the same deemed to be included in the unit cost. (iii) Any special items/accessories left out in the contract for successful completion of the work shall be provided by the contractor and the cost for the same deemed to be included in the unit cost. (iv) Necessary PCC foundation/MS frames for indoor and outdoor units all be provided as per OEM specifications including new LT control panel to equipment and cables for main power supply as per OEM and of length as per the site requirement. The cost required for same shall be deemed to be included in the above unit cost.

(v) Any wall cutting and other masonary/structural works made during the execution of works to be finished as per existing surface and necessary colouring to be done all as specified and as directed. The cost for the same shall be deemed to include in the quoted rate. (vi) The quoted rate deemed to include the rate of controlling LT Panel with XLPE cable of suitable size and length as specified by the OEM alongwith connected items and units complete all as per OEM recommendations and IS specifications and all as specified and directed by EIC. (vii) Provision of fire extinguisher of dry chemical powder (ABC) extinguisher (IS: 2171) 5 Kg capacity - 02 Nos. The cost of the same is deemed to include in the quoted rate (viii) Digital thermometer of approved make shall be provided by the contractor. The cost of the same deemed to include in the quoted rate.

(ix) 50mm min thickness PUFF sandwitch panelling shall be provided as partition wall for indoor units including necessary with half glass Aluminium door for entry for servicing all as per OEM recommendations and as directed by EIC. The drawings for the same has to be submitted before commencement of work. (x) Sign board of Central AC Plant size 1000 x 600mm, weather proof made of white acrylic sheet 2 mm thick and writing “Package Type AC Plant VENDURTHY GALLEY NO.2, GENS) KOCHI, MILITARY ENGINEER SERVICES” with arial black font with suitable size not exceeding 150 mm and minimum size 100 mm and other accessories, fixing on walls/roof with suitable primary and secondary supports complete all as specified and as directed by EIC.

Material and labour for Machine made non return damper (NRD) as per OEM recommendations and as directed by EIC.

Material and labour for Machine made Louvers For Fresh Air as required and as per OEM recommendations and as directed by EIC.

Material and labour Machine made Fire Damper along with fusible link min 14 gauge complete all as specified and as directed.

Supply and fix earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required of size 32x6 mm GI strip complete all as specified and as directed. Note: This item shall be measured for the quantity used at site after the length of strip 7.5 Mtr complete all as specified and as directed.

Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, buried directly and preferably vertically in ground, earth pit not less than 2.25 Metre deep below ground level with top edge of the plate not less than 1.5 m below ground level connected with galvanised strip of size 32 x 6 mm by means of nuts, bolts, check nuts and washers including welding of each joints made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded stone aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15cm C/C both ways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 metre etc all as shown on electrical plate No.3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed.

Supply, install, testing and commissioning of split type tower air conditioning unit 4.0 TR capacity complete with cordless remote control, eco friendly refrigerant gas, 11400/12000K Cal/Hr 50 Hz, 440 Volts air cooled condenser with all accessories varied speed including fixing the outdoor unit with suitable factory fabricated steel frame stand as persuitable site requirement and fixing of room (highwall) unit on wall with necessary wall cutting / making holes to pass the refrigerant pipes, drain pipes, cables,etc and making interconnection including copper refrigerant piping with nitrile rubber insulation and control cable from indoor to outdoor up to a distance of 3.0 metres, power cabling to unit, first charging of refrigerant gas including cordless remote, drain piping of suitable size including connecting drain lines from unit to nearest drain points complete all as specified and as directed by Engr-in charge

Supply, installation, testing and commissioning of split air conditioning unit 2 TR capacity Inverter type with HD filter complete with cordless remote control, 5 star labelled, latest model energy efficent model eco friendly, 6000 Kcal / Hr, 50 Hz, 240 volts, air cooled condenser with all accessories varied speed including fixing the out door unit with suitable stand as per site requirement and fixing of room (high wall) unit on wall with necessary wall cutting/ supports/ making holes to pass the refrigerant pipes by using core cutting machine, drain pipes to reach nearest drain, cables etc and making good to match with existing finishing complete, providing and making interconnection, including refrigerant pipes with nitrile rubber insulation and control cable from indoor to outdoor upto a distance as per site requirement, power cabling, isolator/ enclosure to unit) and first charging of refrigerant gas including cordless remote, connection drain lines from unit to nearest drain points complete all as specified and as directed by Engr-in charge.

Supply and fix capacity Voltage stabilizer, copper wounded suitable for 2.0TR inverter type split AC, automatic operation, single phase naturally air cooled indoor type & designed for input variation between 130 V to 300 V with output voltage stabilized at 230 V with accuracy of ± 2.5% and speed of correction 8 volts per second, fixed on wall with necessary arrangements complete all as specified.

Supply & laying and testing cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured electric cable (heavy duty) with stranded aluminium conductors,1100 volts grade of size 25qmm 4 core complete all as specified and as directed

Material and labour for submain wiring with 2 runs of 4 Sqmm FRLSH PVC insulated unsheathed multistranded copper conductor cable 1100-volt grade drawn through and including PVC rigid conduit as surface wiring PVC conduit specials including complete and one run of 4 Sqmm PVC insulated unsheathed single core 1100 volts grade multistranded copper conductor cable as earth continuity conductor and connecting with suitable size thimble complete all as specified and as directed. Note: Two runs of 4 Sqmm size PVC cable, one run of 4 Sqmm size PVC cable as earth wire and one run of PVC conduit shall be measured as one unit length.

Material and labour for submain wiring with 4 runs of 4 Sqmm FRLSH PVC insulated unsheathed multistranded copper conductor cable 1100-volt grade drawn through and including PVC rigid conduit as surface wiring PVC conduit specials including complete and one run of 4 Sqmm PVC insulated unsheathed single core 1100 volts grade multistranded copper conductor cable as earth continuity conductor and connecting with suitable size thimble complete all as specified and as directed. Note: Four runs of 4 Sqmm size PVC cable, one run of 4 Sqmm size PVC cable as earth wire and one run of PVC conduit shall be measured as one unit length.

Supply and fix sheet metal enclosures suitable for MCB DBs, metal double door with locking arrangement, suitable for 4 way TPN, 415 Volts, with isolated neutral bus bar 200 Amps, IP-43 protection, horizontal DB with FP MCB / isolator as incomer and SP MCBs as outgoing complete all as specified and as directed.

Supply and fix MCCB 63Amp, rupturing capacity 35kA, 4 pole, 50Hz, 415 volt AC with thermal release range 160-200 Amp with spreader complete all as specified and as directed.

Supply and fix MCCB 63Amp with enclosure, rupturing capacity 35kA, 4 pole, 50Hz, 415 volt AC with thermal release range 160-200 Amp with spreader complete all as specified and as directed.

Supply and fix MCB TP, 63 Amps, 415 Volts, 'C' curve, 10KA complete all as specified and as directed

Supply and fix MCB TPN, 40 Amps, 415 Volts, 'C' curve, 10KA complete all as specified and as directed

Supply and fix MCB SP, 0-32 Amp, 'C' curve, 240 Volts, 10KA complete all as specified and as directed by EIC.

Supply and fix single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB SP 20 Amp at 240 Volts 10 KA, 'C' curve and plug to with male ended portion complete all as specified and as directed

Supply and fix triple pole and earth enclosure with a three pin and earth plug with socket complete with one single pole MCB SP 32 Amp at 415 Volts complete all as specified and as directed.

Taking down carefully fan /LED light fittings from ceiling of any height including all connected accessories for reuse at site or carrying to the MES store complete all as specified and as directed

Fixing only LED light fittings retrived from item no.31 here in above connecting up with three core flexible copper conductor cable of suitable size from ceiling rose and making it serviceable complete all as specified and as directed by Engr-in-Charge.

Hanging only ceiling fan retrived from item no.31 here in above and connecting up including provision of cable from ceiling rose or connector to fan and extend the fan rod as per site requirement complete all as specified and as directed by Engr-in-Charge. Note for item no. 31 to 33: If any damage occured during dismantling & fixing the items the same need to be repaired/ replaced by the contractor. The rate for the same deemed to be included in the quoted rate.

Supply & fix anodised aluminium snap grid frame work for false ceiling with 605mm x 605mm size, consisting of main Tee of size 23.50mm x 36.50mm x 1.50mm, cross Tee of size 23.50mm x 23.50mm x 1.50mm and wall angle of size 36.00mm x 25.00mm x 1.50mm of approved make including all necessary cuttings, fixing of aluminium section firmly in position with and including steel hangers 6 mm dia G.I. wire (upto 1200 mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40 x 3 mm size 60 mm long and expansion hold fasteners 40 mm long in soffit of slab/walls complete all as specifed and as directed including provision of 12mm thick asbestos cement board fixed in ceiling, flat or sloping complete all as specified and as directed.

Dismantling and taking down window AC of any capacity comprising of all connected accessories from existing locations and deposit to MES Store Yard complete all as specified and as directed by Engr-in-Charge.

Material and labour for closing the existing opening with brick and cement mortar works at the removed locations of window ACs, plastering, painting as matching to the existing surfaces complete all as specified and as directed by Engr-in-Charge.

Dismantling and taking down split AC including dismantling of copper three core cable connecting MCB boxes, copper piping etc complete making good disturbed surfaces complete all as specified and as directed by Engr-in-Charge.

Supply, installation, testing and commissioning of split air conditioning unit 1.5 TR capacity (Inverter type) with HD filter complete with cordless remote control, minimum 5 star labelled, latest energy efficent model eco friendly, 4500 Kcal / Hr, 50 Hz, 240 volts, air cooled condenser with all accessories varied speed including fixing the out door unit with suitable site requirement and fixing of room, high wall unit on wall with necessary wall cutting/ making holes to pass the refrigerant pipes, drain pipes, cables etc and making good to match with existing finishing complete, providing and making interconnection, including refrigerant with nitrile rubber insulation and control cable from indoor to outdoor upto a distance of 3.0 Mtrs as provided by OEM, Power cabling max 3.0 Mtrs from isolator/ enclosure to unit, first charging of refrigerant gas including cordless remote, drain piping of suitable size including connection drain lines from unit to nearest drain points complete all as specified and as directed by Engr-in-Charge.

Supply and fix single pole enclosure with a two pin and earth plug and socket complete with one single pole MCB SP 20 Amp at 240 Volts 10 KA, 'C' curve and plug to with male ended portion complete all as specified and as directed

Supply and fix MCB SPN, 6-32Amps, 230 Volts, 'C' curve, 10KA complete all as specified and as directed

Supply and fix MCB SPN, 6-32Amps, 230 Volts, 'C' curve, 10KA complete all as specified and as directed

AISWARYA ENTERPRISES (BID ID -3207910)

Glacier Cooling Solutions Private Limited (BID ID -3208387)