TENDER FOR ITEM RATE CONTRACT FOR REPAIR MAINT OF CENTRAL AC PLANTS OF 2 AHQ SIG UNIT , 2 COY UB AREA SIG CENTRE AND EME WORKSHOP UNDER GE(U) E/M MEERUT CANTT

Amount

Renewal / Topping of non freezing compressor oil N-46 in factory sealed containers in standard packings as directed.

Dismantling/ taking down burnt squirrel Cage Induction Motor of any capacity , 3 Phase, 415V, 1450 RPM of any make from its base and transporting the motor to the Contractor's workshop and back, refixing the motor at site after carrying out the following repairs/ renewals complete all as specified.- (i) opening the side covers and removing the rotor and cutting/ removing the burnt coils / winding from stator. (ii) Cleaning the slots carefully (iii) Rewinding the stator using super enamelled copper winding wire with same size, number of coils,number of turms/ coils as per data acquired from the old burnt motor, including varnishing two coats, drying and reassembling the electric motor at site (iv) Testing the coils for there continuity and no current passing through the stator core. (v) Dynamic testing of the rotor and alignment of the main shaft and ensure that no imbalance vibtrations. (vi) Re-assembling the rotor and connecting the end terminals to the terminal plate of the motor, closing the ends with side covers (vii) Testing and commissioing the electric motor connecting to the electric supply to its full load by connecting the compressor. (viii) Renewal of Bolts, nuts and washers Note :- Parts renewed i.e Ball bearing shall be measured and paid separately. However filling of grease and oiling extra shall be deemed to be included in Unit rates. Note:- The weight of copper coil provided before varnishing shall be taken for the purpose of payment.

Dismantling of side cover of Shell and tube type Condensor of Central AC plant, making arrangements to connect the suction and Discharge line to chemical pump, descaling the condensor by circulation of discalation solution and by rodding fitted with nylon brushes of suitable size and circulation of fresh water through condensor till clear water comes from other end including carrying out necessary repairs for 3x80 TR Capacity plant:- Note:- (i) Parts renewed only shall be measured and paid separately. (ii) The rate quoted againt this item shall include all the T&P and solutions required .

Dismantling of unserviceable shell and tube condensor and repair/renewal and testing and commisioning of shell and tube condensor suitable for80 TR central AC plant by means of dismantling of all water connection and refix the same after repair/ replacing of shell and tube condensor all as specified and directed. Note:- (i) Minor Parts like washer, gasket, nut bolts and welding work are deemed to be included in the quoted rates.

Dismantling of suction line from compressor of Central AC plant, making arrangements for connect the cooling coil , cleaning of cooling coil with carbon tetra chloride chemical solution for flushing out coil and dust for 3x80TR Capacity plant.

S&F (in repairs) thermostatic expansion valve suitable for 1x80 TR chilled water type AC plant including collecting the refrigerent in the empty cylinders arranged by Contractor at his own resources by any means , cutting, welding, brazing, renewal of gasket, nuts, bolts and washers etc. complete all as specified and directed.

Supply and charging of Refrigerent gas R-407 (c) Non CFC ( ecofriendly) in company sealed cylinders of any capacity complete all as specified. Note: If the recharged refrigerent gas is leaked within one month of running of AC plant, the contractor shall recharge gas (including supply) without any extra cost to department.

Supply and charging of Refrigerent gas R-22 Non CFC ( ecofriendly) in company sealed cylinders of any capacity complete all as specified. Note: If the recharged refrigerent gas is leaked within one month of running of AC plant, the contractor shall recharge gas (including supply) without any extra cost to department.

M&L for servicing of cooling tower (CT-68x68) of any make of 3x80 TR capacity Central AC by draining out complete water from bottom tank, cleaning of inner surfaces with nylone brushes opening of wtaer strainer from water inlet to condensor after removal of flange and renewal of gaskets and jali after cleaning and removal of all foreign materials and descaling of complete water pipe line with descaling solution complete all as specified.

Renewal of AHU V banks filter made of polyester with frame materials of ABS plastic of any colour and size, to remove most of the 0.5um particles with efficiency from 75-99% and micro and fine with frame , media support ,gasket face guard, separators etc. complete including cleaning of all types of AHU 'Y' strainers, isolation valves complete all as specified.

Renewal of fan motor for out door unit complete all as specified

Taking down of existing unserviceable butterfly valve including rubber gasket, mild steel bolts, nuts, washers and S&F Cast Iron butterfly valve ISI-13095 marked, 150mm dia, class PN1 complete with neoprene rubber gaskets, mild steel bolts, nuts and washers etc. complete all as specified and directed of following bore and presssure rating. ( Mild steel nuts, bolts, washers, gaskets shall be deemed included in unit rate.)

Renewal of electronic mother board as per existing including 13 VAC, 220 Volt,AC coil, electronic cable arrangement of base unit suitable for Air Cooled packaged AC indoor unit 1x8.75 TR complete all as specified.

S&F ( In repairs) including testing harmetically sealed scroll Compressor of 4.75 TR Air Cooled package type AC indoor unit of 2x8.75TR capacities , suitable for 407(c) non CFC refrigerent gas including necessary brazing work to make the system leak proof complete all as specified and directed.

Supply and fix in epair ammeter digital type, current rating 0 Amps to 50 Amps, square type , flush mounted complete all as specified

Supply and fix in repair voltmeter digital type, square type , flush mounted complete all as specified

Taking out defective compressor of 80 TR capacity make Kirloskar , Overhauling, testing, and commissioning of chiller type Central AC plant, including dismantling and disconnecting suction and discharge refrigerant lines, other controls and accessories, loading, transporting to contractors workshop and back to plant room after necessary repairing and then reinstallation in its original position ,nitrogen flushing and testing complete all as specified. (Note :-1. Renewal of items not covered in the succeeding items of BoQ but essentially required for completing the Job like cut washers, valve springs, castle nuts, etc shall be provided by the contractor and no extra payment shall be admissible on this account. (2).Parts renewed shall be measured and paid separately as supply only as given below.-

Supply only 'O' ring

Supply only Piston pin

Supply only Piston with rings

Supply only Piston liner

Supply only loader and unloader

Supply only oil pump for compressor

Supply only crank shaft

Supply only connecting rods

Supply only shaft seal

Supply only valve plate

Supply only Discharge reed

Supply only Main bearing

Supply only thurst Bearing

Supply only crank case heater

Supply only satety valve 400 PSI

Supply only flare nut

S & F ( in repairs) 8mm bore ,17 gauge thick , copper tubing suiatable for 280 psi discharge for 80 TR AC plant complete all as specified.

Dismantiling electric motor/monoblock pump motor 0r 10 HP capacity of any make carefully for overhauling and transporting both way to work shop and back, installation, refixing, reconnecting , testing and commissioning at its original position after necessary repairs carried out and testing complete as directed by Engr-in-Charge Note:- Repairs and Parts Renewed shall be measured and paid for separately.Quoted rates deemed to include transportation charges including loading and unloading and labour charges for dismantling and refixing complete. Renewal of items not covered in succeding items of BOQ but essentially required for repairing like cut washers, valve springs, castle nuts etc shall be provided by the contractor and the rates of same shall be deemed to be included in the quoted rates.

Supply only gun metal impeller

Supply only rotor shaft

Supply only gun metal bush

Supply only gland box

Supply and fix PVC shower nozzle all as specified.

Supply and fixing PVC tubing 100 mm bore suitable for shower nozzle all as specified .

Supply and fixing fins of size 600 mm length, 300mm width and 150mm thick suitable for cooling tower of 80 TR AC Plant all as specified .

Taking down unserviceable Blower of10000 CFM capacity carefully, overhauling , testing and commissioning including dismantling of ball bearing and accessories , loading, transporting to both way to work shop and back, installation, refixing, reconnecting , testing and commissioning at its original position after necessary repairs carried out and testing complete as directed by Engr-in-Charge Note:- Parts renewed shall be measured and paid separately at supply only rates

Supply only ball bearing gland box

M&L Earthing complete with galvanised mild steel earth plate electrode 600x600x6mm thick, burried directly in ground to a depth not less than 2.25 metres deep below ground level with top edge of earth plate not less than 1.5 metre below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around the plate, using GI strip 32x6 mm as earth strip electrode bolted or rivetted to earth plate at one end and connected at another end, GI earth strip encased in and including 40 mm dia GI 'light grade' pipe from upper end of earth plate upto equipments,20 dia bore GI pipe 'medium grade' as water pipe from earth chamber to upper edge of earth plate, GI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 40mm thick precast RCC 1:2:4 type B-1, duly reinforced with 8mm dia TMT bars @ 150mm C/c and 6mm dia bars in lifting handles amd MS angle frame of angle iron 40x40x5 mm thick, excavation, earth work including laying the GI pipe concealed in floor/wall all as described in electric plate number 3 of SSR Part I complete all as specified and directed and testing on completion. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department.

Supply and fix in repair including assembly and errection of GI sheet with C and SS rectangular/ square duct made out of L shaped hollow profile factory boxed including all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealent on longitudinal joint etc complete of size 24 gauge all as directed by Engineer in Charge

Taking down of old rusted duct frame made out of angle iron/channel/flat iron of ny size and supply and fix duct frame using Rolled mild steel section as specified and directed.

S & F ( in repairs) 12.5 mm dia ,24 gauge thick , copper tubing suiatable for refrigerant gas circulating with necessary adaptor, bends washers, connector from compressor to LP/HP switches condensor complete all as specified and directed.

S&F (in repairs) expansion valve suitable for 8.75 TR package type air conditioning plant (Blue Star) including collecting the refrigerant in the empty cylindersarranged by Contractor at his own resources by any means, cutting, welding brazing, renewal of gasket, nuts and bolts and washers etc complete all as specified and directed.

S&F (in repairs) drier of dia 3.8mm suitable for package type air conditioning plant of 8.75 TR capacity (Blue Star) complete all as specified and directed by Engr in Charge.

S&F (in repairs) power contactor of current rating 32 Amp 3 pole 415 volt suitable fo package type air conditioning plant of 8.75 TR capacity (Blue Star) complete all as specified and directed by Engr in Charge.

Renewal of CT base unit (including remote, transformer, CT) suitable fo Air cooled package type AC indoor unit of any capacity complete all as specified and directed.

Supply and Fix nylon air filter suitable for air cooled package air conditioning plant complete all as specified and directed.

Supply and Fix in repair air cooled condensor suitable for package airconditioning plant of capacity 8.75 TR complete all as specified and directed.

Supply and Fix in repair out door motor suitable for air cooled condensor suitable of package airconditioning plant of capacity 8.75 TR complete all as specified and directed.

S&F in repair 20watts Light emitting Diode (LED) tube light fitting wall mounting , indoor decorative alumiinium extruded T5 LED battens , Integrated type, AC 230-240V, 50 hz, with PMMA/PC diffuser, 4' long, and making connections with and including 23/.0076 flexible cord of required length from ceiling rose to connector complete all as specified and directed.

S&F LED floodlight with pressure die cast aluminium housing, 30 watt, IP-65 or higher, including connection with 3 core flexible core from ceiling rose to connectoor of fitting complete all as specified.

M & L for servicing of package t type air conditioning plant (indoor and out door ) by means of electric blower & water under pressure ,cleaning & washing of cooling/condencing coil by soap solution or recommended chemical ,oiling & greasing of moving parts such as blower motor etc complete of any capacity all as specified and directed by EIC.

S&F in repair dehumidifier 230 volt complete all as specified and directed.

AIRCOM

Manish Enterprises