SPL REP TO CENTRAL AC PLANT AT BLDG NO. P-49 AT NB (K)

Amount

M&L for complete removal of existing treatment of wall surface by mechanical jet spray/ grinder and applying two coats of oil emulsion distemper paint over a coat of primer using modern tools complete all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortor bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed.

S&F Coloured non-skid ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 10mm thick screed bed in CM 1:4 complete all as specified and as directed.

S&F glazed ceramic coloured tiles in verticle surface 350x250x7mm / 450x350x7mm thick set and jointed in neat cement slurry and pointed in coloured cement with pigment including 10mm thick back coat in CM 1:4etc complete all as specified and as directed.

Dismantling of wall and ceiling board (fibre, pulp, insulation etc.) or insulation boards/ slabs/ blankets any thickness, including cover fillets complete all as specified and as directed.

S&F anodised aluminium snap grid frame work for false ceiling of grid size 605mmx605mm complete all as specified and as directed.

S&F Hangers 6mm dia GI (upto 1200mm length) adjusting level fixed to roof slabs by ,eans of ceiling cleats made out of GI flat 40x3mm size 60mm long and expansion hold fasteners 12.5mm dia 40mm complete all as specified and as directed.

S&F 6mm thick non asbestos fibre cement building boards fixed or laid/ inserted to timber/GI/ Aluminium framework with crews 600mmx600mmx6mm in celing fixed with screw as per manufactures instructions complete all as specified and as directed.

Material and labour for opening body cover and dismantling of VOLTAS Make compressor model 5 F 40, for repairing/ maint and cleaning / servicing the serviceable parts, replacing gaskets, replacement of shaftseals, suction valeve reeds, dowety rings, O rings, piston rings, suction / discharge reeds, oil scraper, rings springs and including remetalling, grinding and polishing of shaft/piston rods etc if found defective and ressembling, testing for proper functioning including proper alignment with primover complete al as specified and directed. Note: Spares shall be measured and paid seperately. Note :- 1. Cost for replacement of all consumables like oil and all filters like oil filters, filter core and drier etc as per site requirement to be replaced by the contractor. The rate for same deemed to be included in the quoted rate. 2. Minor spares like washers, nuts, bolts, gasket etc costing upto Rs 2000/- shall be replaced by the contractor. The rate for the same deemed to be included in the quoted rate. 3. The work shall be executed through OEM/OEM authorized agency.

Supply only the following spares for compressors 5F Model of Make Voltas or equivalent :-

Pair of Connection rod bearing for 5F Model

Connecting Rod bush for 5F type

Connecting Rod Pin for 5F Model

Piston Pin for 5F Model

Gasket for 5F model

Piston ring compressor for 5F Model

Oil Ring for 5F Model

Shaft seal cover for 5F Model

Shaft seal gasket for 5F Model

Shaft seal assly with ring for 5F Model

Connecting Rod for 5F Model

Cylinder sleeve for 5F Model

Cylinder liner with 'O' rings for 5F Model

Solenoid valve for 5F Model

Power element for 5F Model

Catchall filters for 5F Model

Supply and fixing in replacement suction pressure transdusers (setra) for 5F Model

Supply and fixing in replacement discharge pressure transducers (Setra) for 5F Model

Supply and fixing in replacement oil pressure transducers (Setra) for 5F Model

Supply and fixing in replacement temperature sensor with cable for 5 F Model voltas units complete all as specified and as directed

Supply and fixing in replacement of old unsv Hand Shut off valve upto 50mm, including welding /cutting the existing ms pipe line (suction and discharge) match the exisitng surface,complete all as specified and directed.

Supply and fixing in replacement of old unsv expansion valve suitable for central AC upto 20 TR Make: Voltas

Supply and fixing in replacement of analouge pressure gauge for existing pipe lines and plants as per suitable (dia) size and model including MS bend pipe upto gauge where required at site complete all as specified and directed.

Supply aand fixing in replacement of temperature gauges for existing pipe lines of central AC plants as per suitable size and model complete all as specified and directed

Supply and charging Refrigerant Gas R 22 in sealed cylinder all as specified and directed by Engineer in Charge.

Supply only Nitrogen gas contains 12 PSI of pressure in each cylinder of 6 cum Note for Item No 19&20 : Empty cylinder will returned to contractor after usage only.

Supply ands fixing in replacement of microprocessor control panels VLRP type working with 15VAC for voltas control panels, make for 5F model central AC plant suitable for DX type and fitting for existing panels. Make: voltas(Soft hard)

Material and labour for brazzing/welding work at refrigerent copper pipe lines(suction/discharge) and rectify the fault and recharge the refrigerent as desired level in AC units. Note: welding mtrl,copper pipe material,welding gas cylinder shall be provided by contractor with his own transport upto near the centrl/Package AC plants inside Naval Base

Supply and fixing in replacement of Hard PVC Piping 40 mm up to drain disposal area with nitrile rubber insulation complete all as specified and directed.

Supply and fixing in replacement 600 MM X 600 MM fresh air inlet made-out of GI sheet 22 SWG duly fabricated with splitter damper arrangement and cowl and bird screen complete all as specified and directed.

Supply and fixing in replacement of supply/return air diffusers of machine fabricated madeout of aluminium 18G sheet construction of various sizes duly powder coated of approved colour to suitable as existing duct projestions/openings including GI collar VCD for supply air inlet all as specified and directed.

Supply & Fixing Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel') complete all as specified and as directed.

Taking down old existing GI pipes, supply , laying including welding, connecting and painting two coat of synthetic enamel paint complete of medium grade with all fittings and fixtures laid in floors or fixed to walls and ceilings etc. of following size :-

Supply and installation manual butterfly valve of sizes 125 mm complete all as specified and directed.

Supply and installation manual butterfly valve of sizes 80 mm complete all as specified and directed.

Supply and installation manual butterfly valve of sizes 65 mm complete all as specified and directed.

Supply and Fixing in repair CI 'Y' strainer of size 125 mm dia in condensing/chilled water line complete dia including modification of pipe line for fixing the strainer and replacement of flanges and nuts & bolts, packing etc all as specified and directed by Engineer Incharge. Make:Advance/Leader/Castlers/Sant

Supply, laying and testing cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area of size 6 sq mm 4 core complete all as specified and as directed.

M & L for servicing of existing condenser pump of capacity upto 12.5 HP after disconnecting electric connection from foundation, removing defective bearing, re-metalling the bearing housing shaft, replacing with new bearings, gland bush, gaskets, with mechanical seal type gland packing, nut and bolt, air release valve, cooling fan cover and reassemble, refitting and recommissioning including refixing of all electrical connections, testing, painting, base foundation work alongwith channels/accessories, incl transportation to local workshop and back after repair, testing complete all as specified and directed by Engineer-in-charge.

Taking down the unserviceable dual plate check valve, Supply and fix dual plate check valve of size upto 100 mm dia including replacement of old nuts & bolts, packings modification of flanges if necessaery and all as per specified and directed. Make:As approved by GE

Supply and fixing in replacement of water flow /pressure differential switch, 5-15 Amp, complete all as specified and directed.

Supply and fix in repair Pre filter with filtering capacity down to 20 micron including side aluminum beading of size as per existing at site as specified and directed by Engineer in charge.

M& L for painting of central AC plant of capacity upto 45 TR i.e including of compressors, condensers, pumps and motors frames, panel board complete including chiller and condensing water pipe lines with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of each unit and marking set numbers, SM/MES numbers all as specified and directed.

Taking down AHU puff panel, cooling coil, filters, cooling coil pan and necessary repair to panels to arrest air leak, packing, refixing/replacing of door hinges, handles, gasket complete all as specified and as directed.

M & L for taking down AHU blower from the site, replacement of bearings and bearing supports, cleaning the surface and aligning the blades for smooth functioning and refixing after repair, refixing of belt, alignment with motor, recommissioning all as specified and directed by Engineer-in-charge.

Material and labour for leak testing of existing cooling coil of capcaity upto 30TR, arresting the leaks of cooling coil , brazing works, aligning fins complete all as specified and as directed by EIC.

Material and Labour for fire dampers (fusible link) with actuator arrangement complete all as specified and as directed

M & L for servicing of existing AHU motor of capacity upto 25 HP including fan after disconnecting electric connection from motor terminal and opening the motor cover, re-metalling the bearing housing shaft, replacing with new bearings of existing size, cleaning , re assembling including transportation from existing location to workshop and back, refixing of electrical connections, testing after repair , refixing of blower belt, alignment with blower with motor structural frame work and complete painting, recommissioning all as specified and directed by Engineer-in-charge.

M & L for Welding/cutting of MS Pipe/Rail/MS flanges etc at various locations of AC Plants including with all necessary tools and equipements all as specified and directed.

Supply and replace digital Ammeter 1/5A, 3 phase all as specified and directed. Make : L&T or equivalent

Supply and replace digital Voltmeter 3 phase all as specified and directed. Make : L&T or equivalent

Supply and fixing in replacement of tyre coupling along with nutbolts suitable as existing connections of primemover and compressor complete all as specified and directed.

Supply and fixing in replacement of old unsv relief valve suitable for central AC upto 120 TR Make: voltas/Accel

M&L for Servicing of electric panel of AC plant including cleaning of the electric panel by blower, tightning of control cable terminations, cable glands, end termination crimping by skilled Electricians and helpers, with neccessary T&P for checking and make good functional complete all as specified and as directed. Note: (i) Minor spares up to 500 Rs per unit shall be included in the above quoted rate

M & L, Checking of existing condition of air ducts making the arrangement of visualization and the process for disinfection for Indoor air quality of AC ducts including plenum box, supply air, return air ducts with the support of mechanical equipments, compressed air with flipper, HEPA Negative machine, air compressor, various types of air nozzles all as specified and as directed

M & L Sanitization of ducts by using fogging machine, Bio-cides so as to avoid fungal/Bacterial formation inside the ducts of AHU units/AHU rooms by using with permissable chemicals with suitable equipments complete all as specified and as directed.

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, incl all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc complete.

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, incl all accessories such as Corner, Cleat, Carriage bolt,Gasket and appropriate sealant on longitudinal joints etc complete.

Supply and fixing Supply & Installation of Thermal Insulation having 13 mm thickness on ducts/ceiling not exposed to sunlight using Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40 - 60 Kg/m3, T using manufacturer's recommended Rubber based Adhesive in a blend of solvents including aluminium cladding with all accessories complete all as specified and as directed. Note : For item No 49 to 53 :- (i) The contractor shall arrest the infilteration of ambient air to return/supply ducts through walls/false ceiling etc (by civil work/insulated board) to ensure the efficiency of chillers. Dismantling and refixing of false ceiling whereever required for duct/duct cleaning/ civil work/insulated board work. The replacement of asbestos false ceiling sheets, which covered on ducts at site (Max 5 sqm) shall be replaced by the contractor if required at site shall also considered in the scope of work and all as directed. The cost for these works shall be deemed to include in the above quoted rate.

Supply,install, testing and commissioning indoor type dust/Vemin proof LT electric panel consisting of separate compartment for each out going feeders with locking arrangement for each feeder fabricated out of 2mm thick MS sheet floor mounting type with suitable size of base frame/channel and legs made of suitale angle iron with powder coated (7 tank process) after precoated primer including necessary PCC (1:3:6) type C2 foundation of panel board including earth work and comprising the following for running the AC Plant, complete all as specified and directed (a) Bus bar chamber of 3 phase and neutral 4 strip 415 volts with 400 Amps copper strip-1 set (b) Moulded Case Circuit Breaker 4 pole 16 KA breaking capacity (I cu) 250 Amps rating with adjustable over load (70% to 100%) with thermal Magnetic release & fixed magnetic setting - 1 No (In coming) (c) Moulded Case Circuit Breaker 3 pole 16 KA breaking capacity (I cu) 63 Amps capacity rating with adjustable over load (70% to 100%) with thermal Magnetic release- 3 Nos for Chiller (d) 63 Amps TPN MCB with 5.5 KW VFD starter with control wiring - 1 No for AHU (e) 32 Amps TPN MCB with 1.5 KW DOL Starter and control wiring -1 No for CT Fan. (f) 32 Amps TPN MCB with 1.5 KW DOL Starter and control wiring 2 Nos for CHW Pump. (g) 32 Amps TPN MCB with 2.2 KW DOL Starter and control wiring - 2 Nos for CND Pump. (h) 32 Amps TPN MCB with 1.5 KW DOL Starter and control wiring- 1 No for EA Unit. (i) 25 Amps TPN MCB with 16 Amps Contactor and control wiring - 3 Nos for Heater (j) 10 Amps SPN MCB with control wiring - 1 No for Scale Priventer (k) Programable logic controller with necessary wiring - 1 No for AC plant auto operation. (l) Digital MFM, OLR, SPPR, Complete internal wiring with suitable copper condutor - 1 Lot. (m) Provision of extra space for one more out going feeder suitable for MPCB / MCCB. (n) LED Indicator lamp Red, Yellow, Blue - 01 Set. MAKE OF MCCB/MCB/MFM/OLR/SPPR : SIEMENS/ABB/L&T/GEGRAND/SCHNEIDER. MAKE OF PLC :- ABB/SIEMENS/L&T MAKE OF LT PANELS :- CPRI Approved

AISWARYA ENTERPRISES (BID ID -3100484)