PROVISION OF PACKAGE AND SPLIT TYPE AIR CONDITIONING FOR CERTAIN BUILDINGS AT NAVAL BASE KOCHI

Amount

Supply, install, testing and commissioning of Air cooled Floor mounted Packaged Ductable Type Inverter AC of capacity 11 TR, energy efficient with inverter type, including supply and charging of Eco friendly refrigerent R-410A, hard drawn copper refrigerant piping between indoor and our door units, control cabling between indoor & Outdoor 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 Degree C ambient, including grouted on ribbed rubber pads as vibration insulators along with 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 directed.

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. Notes: One run of both Suction & Discharge pipe line along with insulation shall be measured as one length.

Supply and fixing of Hard PVC drain piping of 32 mm PVC pipe along with 9mm nitrile rubber sleeve as recommended by OEM and as directed by EIC.

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.

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.

Supply ,assembly and erection of GI sheet of size 20 Gauge 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.

Supply and fixing of Acoustic Insulation having 13 mm thickness at Inside the Duct with Engineered Nitrile Rubber open cell foam with Density 140-180 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.

Supply and fixing of Thermal Insulation having 13 mm thickness on Ducts not exposed to sunlight using Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40 - 55 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 Labor for Machine made powder coated supply/return air square diffusers of aluminium construction including 18 G GI collar VCD for supply air inlet complete all as specified and as directed

Supply, fixing and testing of under deck insulation using class "O" Nitrile rubber of 32mm thickness with duly laminated aluminium foil one side, The Insulation density shall be 40-55 Kg/m3, thermal conductivity to be 0.035 @ 0 deg C mean temperature and water vapour diffusion resistance should be 7000 without any external vapour barrier, The fire performance should meet the building regulation as per class O tested according to BS476 part 6:1989, surface spread of flame should be class I tested according to BS 476 part 7:1997 complete all as per OEM specifications and as directed by EIC. Notes: (i) The cost for adhesive, fasteners and grids as per OEM and site requirement shall be deemed to be including in the quoted rate. (ii) It shall be fixed properly on the ceiling without any air gap (with min joints) after preparation of surface as per site requirement to arrest the water condensation.

Notes for Item No 1 to 10:- (i) The false ceiling along with accessories required to be removed during the erection of ducts/AC units shall be repaired/replaced to existing shape or as per site requirement and as directed by EIC. The cost required for the same shall be deemed to be included in the above unit cost. (ii) The work shall be carried out through OEM/authorized agency. The contractor has to submit the line diagram and load calculation and necessary documents to maintain a temperature of 22±2 degree Celsius and relative humidity of 60±5 percentage duly signed by OEM. Any modification additional requirement is there, the contractor deemed to include the cost of the same in the quoted rate. (iii) 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. (iv) 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. (v) Necessary PCC foundation/MS frames for indoor and outdoor units all are provided as per OEM specifications including new LT control panel to equipment and control cables. The cost required for same shall be deemed to be included in the above unit cost.

(vi) Any wall cutting and other masonry/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. (vii) The quoted rate deemed to include the rate of controlling LT Panel with XLPE cable of suitable size (from nearest LT Panel to Control Panel) and length as specified by the OEM along with connected items and units complete all as per OEM recommendations and specifications and all as specified and directed by EIC. (viii) 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 (ix) Digital thermometer of approved make shall be provided by the contractor. The cost of the same deemed to include in the quoted rate. (x) 50mm min thickness PUFF sandwich paneling shall be provided as partition wall for indoor units including necessary entry for servicing all as per OEM recommendations and as directed by EIC. The drawings for the same have to be submitted before commencement of work. (xi) 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 for NICU, Sanjivani” 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.

Supply, Install and commissioning of Humidity Control with necessary heater bank along with humidistat arrangement for maintaining humidity of 60+/- 5 complete as per recommendations of OEM 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 Machine made Louvers For Fresh Air as required and as per OEM recommendations and as directed by EIC.

Material and labour for Machine made Fire Damper along with fusible link minimum 14 gauges complete all as specified and as directed.

Material &Labour for earthing complete with galvanized iron or steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 Metres below ground level) with top edge of earth plate not less than 1.5 Metres below ground level connected to galvanized iron strip 32x6 mm by means of nuts, bolts, thimbles, check nuts, washers of GI or steel, including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20mm graded stone aggregate, with fair finish internal surface of concrete chamber shall be given 15mm thick plaster in CM 1:4, funnel with wire gauge of (0.68mm) 8 mesh per liner inch, 80 mm thick RCC pit cover 320 mm x 320 mm of RCC 1:2:4 type B-1 using 20 mm graded stone aggregate reinforced with XPM, JALLI and charcoal dust and common salt all as shown in electrical plate No 3 of MES SSR Part-I and specified including provision of earth wire protected by 40mm dia medium grade GI pipe and watering funnel with 20mm bore medium grade GI pipe, and including all excavation and earth work & connecting the earthing to an earthing test point or LT panel etc, and testing on completion, complete all as specified & directed by Engineer-in-Charge.

Supply and fixing and connecting up 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 as directed/specified for loop earthing etc as required of galvanised iron strip of size 32 x6 mm complete all as specified and directed. Note; This item shall be measured for the quantity used at site after the length of strip 7.5 Metre complete all as specified and as directed.

Supply and fixing solid PVC Wall Lining consisting of 8 to 10mm thick wood grain printed PVC sheet inclusive of fixing on aluminum section (25x25x2mm) frame of maximum 600mm spacing as per site requirement and as directed by EIC.

Supply and fixing 5mm thick PVC sheet fillet of width 35mm for wall paneling inclusive of fixing on to wall to make PVC Frame as per specification and as directed by EIC.

Dismantling and taking down split ACs with and including dismantling of three core copper cable, connecting MCB boxes, copper piping etc, complete making good disturbed surfaces as matching to the existing surfaces complete all as specified and directed

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 labeled, latest energy efficient model eco friendly refrigerant gas, 4500 Kcal / Hour, 50 Hz, 240 volts, air cooled condenser with all accessories varied speed including fixing the outdoor 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 suction and discharge copper pipe with refrigerant with nitrile rubber insulation and control cable from indoor to outdoor up to a distance of 3.0 Metres as provided by OEM, Power cabling (Max 3.0 Metres 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.

Supply, installation, testing and commissioning of split air conditioning unit 2TR capacity (Inverter type) with cordless remote control, minimum 3 star labeled, latest energy efficient model eco friendly refrigerant gas, 6000 Kcal / Hour, 50 Hz, 240 volts, air cooled condenser with all accessories varied speed including fixing the outdoor 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 suction and discharge copper pipe with refrigerant with nitrile rubber insulation and control cable from indoor to outdoor up to a distance of 3.0 Metres as provided by OEM, Power cabling (Max 3.0 Metres 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.

Supply and fixing copper refrigerant piping of both sizes for suction line 5/8" and 1/4" for discharge including thermal insulation class "o" nitrile rubber insulation density 45- 55 kg/m³, for suction/ discharge line, beyond standard length provided with original units by the manufacturer. Note: 1) This item shall be measured for the quantity used at site for item No. 8 & 9 for beyond the length provided by OEM, along with unit. 2) One run of both 5/8" & 1/4" pipes along with insulation shall be measured as one length.

Material & Labour for sub main wiring with 2 runs of 4 Sqmm PVC insulated FRLS multi stranded copper conductor cable including suitable size PVC conduit with one run of 4 Sqmm PVC insulated FRLS cable as earth continuity wire complete all as specified and as directed. Note: Three runs of 4 Sqmm and one run of PVC conduit shall be measured as one length.

Supply & Fixing of Single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB SP 20 Amp, 240 volts 10 KA, C curve and plug to with male ended portion complete all as specified and directed.

Supply & Fix MCB SP 6-32 Amp, C curve, 240 Volt, 10 KA complete all as specified and directed.

Supply & Fix Voltage stabilizer copper wounded suitable for 2 TR Inverter type Split air conditioner for automatic operation single phase naturally air cooled indoor type & designed for input variation between 140V to 270V with output voltage stabilized at 230 with accuracy ± 2.5% and of capacity fixed on wall complete all as specified and directed.

Supply & Fix 4 KVA capacity Voltage stabilizer copper wounded suitable for 1.5 TR Inverter type Split air conditioner for automatic operation single phase naturally air cooled indoor type & designed for input variation between 130V to 300V with output voltage stabilized at 230 with accuracy ± 2.5% and of capacity fixed on wall complete all as specified and directed.

Supply & Fix 20mm outer dia CPVC pipes SDR 13.5 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors with all necessary fittings & fixtures complete all as specified and directed.

Supply & Fix 32 mm PVC flexible hose heavy duty complete all as specified and directed.

MS BUILDERS

Radhe Krishn Engineering