REPAIR AND MAINT OF AC PLANT INCLUDING ALLIED WORKS UNDER GE (AF) ADM AREA AT AF STN AGRA

Amount

PART-I

Repair / maintenance of 17 Units of Package type / Central AC plant of following capacity :- (a) 03 Nos Blue Star Package Type AC, Cap - 16.5 TR ,Location - WT. (b) 04 Nos Blue Star Package Type AC, Cap - 16.5 TR ,Location - Signal Sec. (c) 03 Nos Blue Star Package Type AC, Cap - 11 TR ,Location - SES. (d) 02 Nos Blue Star Package Type AC, Cap - 5.5 TR ,Location - Coopal. (e) 02 Nos Blue Star Package Type AC, Cap -11 TR ,Location - Glycol. (f) 03 Nos Blue Star Package Type AC, Cap - 11 TR , Location - New Bomb Dump

Repair / maintenance of Package type / Central AC plant including carrying out daily check and Periodical servicing by rep of OEM of the AC Plants at various locations to maintain in a reliable, safe and efficient manner using latest techniques & experts by carrying out planned maintenance in a systematic and controlled manner by regularly examing, testing, lubricating and adjusting of all the items of AC Plants with inculding repair/ replacement of all defective parts i.e all type of mechanical and electrical items. (i) Descaling of condenser after opening of both end cover, circulation of descaling solution using pump for circulating descaling solution and manually using nylon brush of size 1/4, 3/8, 1/2, 5/8 inch descaling rod etc without damaging copper tubing and refixing of side cover sheet of 3 mm thick and replacement of rusted nuts bolts etc. (ii) Descaling and flushing of cooling coil complete with chemical brushing to fins, bends and cleaning complete. (iii) Repairing, servicing of cooling coil tower of AC Plant FRP type by dismantling and taking out the one comb PVC tiles and PV nozzles by suitable descaling solution including brushing and cleaning complete with cleaning solution and water, replacing the defective PVC flange alongwith rubber gasket and rusted bolts, nuts and washer wire mesh with suitable cleaning solution,re-assembling the same including replacing the defective water filter, flanges of pipe joints etc and testing complete. (iv) Servicing of compressor unit by draining out the used compressed oil, opening both side covers, head covers and taking out the defective oil filter, cleaning the sump by using suitable cleaning solution, replacing the defective oil filter element, checking of solution and discharge valve, adjust them and refixing the side covers head covers including replacing the suitable gasket complete and refilling of new compressor oil to the required level, removing the pull, checking the serviceability of shaft seal assembly, replacement of shaft seal assembly, and refixing the pull including replacing the defective gas filter and tesing complete

(a) 5.5 TR to 16.5 TR (Total - 17 Unit)

SCOPE OF WORK:- (a) The detailed AC mechanics of the firm shall report to the JE Concerned for receiving the complaints at round the clock daily including sunday and holiday. (b) AC mechanic deployed at work shall be experienced in AC plant repairs and maintenance and fully equipped with required T&P. (c) The contractor shall stick/ paste safety instructions at inside cabins of all AC plants with the contact number of operator/ mechanic as directed at no extra cost to the department. (d) The contractor shall submit the Annual Maintenance Contract (AMC) alongwith tax invoice to the Accepting Officer through GE for approval under 10 (Ten) days of Acceptance of Tender. The AMC will be prior approved and no payment will be made to the contractor without submission of valid AMC . (e) Rectification of any breakdown of any AC plant whenever required round the clock, the contractor will rectify the fault and restart the plant within three hours after/receipt of complaint of any nature i.e Compressor, Condenser, Cooling tower, AHU, Control panel etc. In event to the complaint not attended timely as stipulated above; a penalty of Rs 500/hr will be levied and the due amount will be deducted from the RAR. (f) Complaint register and call log record will be maintained by the Engr-in-Charge . Any Complaints requiring major parts/repair shall be rectified within 24 hrs. In case delay in rectification of major parts for more than 24 hrs and upto 10 (Ten) days, penalty on the contractor for a sum of Rs 2000.00 per AC plant per day or part thereof and Rs 4000.00 per AC per day or part thereof after 10 (Ten) days shall be imposed.

SCOPE OF WORK (CONTD...) :- (g) The decision of the GE as to particular repair is minor/major and a particular AC plant has been maintained or not on a particular day, will be final and biding. (h) The above penalty shall be in addition to the provision made in Clause 50 of IAFW-2249. In the event of buming of motor, a time of 7 (seven) days shall be allowed to the contractor for rectification of fault. After that period, penal recovery at the rate of Rs 2000.00 per day shall be imposed on the contractor. (j) The cost of transportation (to and from) for all kind of necessary equipment/T&P shall be arranged/brought by the contractor to complete the job at site or at E/M yard and no extra cost shall be paid to the contractor to this effect. Complaint shall be lodged telephonically, Bidders will submit their contact telephone/mobile number as well as functional email ID. (k) The contractor has to carry out the repair/ maintenance of the AC plants though OEM only. The repair /maintenance should cover all parts of AC plants. If functional parts of the plant are found defective, then the same should be repaired or replaced by the OEM as per the timeline covered under norms as per direction of GE & Engr-in-Charge. (l) The compressor will be checked for its proper functioning and if any defect is found the same will be replaced complete all as specified and directed by Engr-in-Carge. (m) Safety controls such as pressure cut out will be tested for proper functioning and in case of any malfunctining they will be replaced complete all as specified and directed by Engr-in-Carge .

SCOPE OF WORK (CONTD...) :- (n) Air filters will inspected and cleaned, as per directed by Eng-in-Charge. Cooling coil will be inspected and cleaned, all as specified and directed. (o) The blower motor will be checked and any defects noticed will be attended and rectified the complete without any extra cost. (p) the driver set of the blower section will be inspected, belt tension adjusted and belts changed, all as specified and directed. (q) Any defect in the electrical items and controls wiring, will be attended and rectified complete all as specified and directed by Engr-in-Carge. (r) Refrigerant gas will be topped up in the system as and when necessary and directed by Eng-in-Charge. (s) Condenser water pumps with motor will be checked for satisfactory functioning and any repair to them, will be carried out by contractor without any extra cost. (t) Cooling tower nozzles will be inspected, checked and attended to for proper spray and replaced, damaged nozzles all as speicified and directed. (u) Cooling tower sump will be cleaned regulary complete all as specified and directed by Engr-in-Carge . (v) The condenser coil will be inspected and cleaned complete all as specified and diriected by Engr-in-Charge. (w) Any repairs in the condenser coil will be carried out by contractor without any extra cost. (x) Repairs to refrigerant pipiing will be carried out by contracator without any extra cost.

PART-II

Supply and fixing in replacement of suitable size Pressure gauge for measuring pressure up to 150 PSI suitable for fixing on 80/100 mm dia CI pipe complete all as directed by Engr-in-charge.

Supply and fixing in replacement of butter fly valve of pressure handling capacity 13-20 KG/Sqcm suitable for 100 mm CI/GI/MS tubing complete all as directed by Engr-in-charge. Make : Zoloto/Aquaflow or equivalent

Supply and fixing in replacement of butter fly valve of pressure handling capacity 13-20 KG/Sqcm suitable for 80/75 mm CI/GI/MS tubing complete all as directed by Engr-in-charge. Make : Zoloto/Aquaflow or equivalent

Repairing/Servicing and rewinding of motor 3 phase 400-440 volt complete, disconnecting the electric supply, removing of pully and fan and opening of both end covers, taking out bearings and rotor, checking of air gap, checking of rotor field winding, replacement of bearings, greasing of bearing including rewiring with superior quality copper winding wire insulating material, varnishing binding of winding etc including reassembling, replacing rusted nuts, bolts, washers, checking and adjusting the alingment, connecting electric connection complete all as specified and directed by Engr-in-charge for the following:-

(a) Electric motor 3 Phase 3 HP

(b) Electric motor 3 Phase 5 HP

Taking down carefully and Repairing/Servicing of Monoblock pump capacity up to 3 HP by disconnecting the pump dismantling of shaft from the pump, replacing the unserviceable wornout bearing, gland packing, seal, impeller and bushing including rewinding with superior quality copper winding wire insulating material, varnishing winding etc including reassembling, replacing rusted nuts, bolts, washers, checking and adjusting the alingment, connecting electric connection complete all as specefied and directed by and assembling after repairs complete testing to entire satisfaction complete all as specified and directed.

Material and labour in replacement of 20 mm bore GI pipe medium grade incl all fittings and acessories complete all as directed.

Material and labour in replacement of gun metal globe or gate valve suitable for 20 mm diameter GI pipe with iron wheel head screwed both ends for iron pipe complete all as specified and directed.

Supply and fix in replacement float valve/ball valve high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed. (minimum weight 20 mm-210 gms of size 20 mm size dia complete all as specified and directed.

Supply, laying, commissioning and testing XLPE insulated armoured heavy duty electric cable copper conductor, 1100 volts cross sectional area 4 Sqmm 4 core incl removing unserviceable/old cable complete all as specified and as directed. Make : Polycab/Finolex/Paragon/Havells or equivalent

Supply, laying, commissioning and testing XLPE insulated armoured heavy duty electric cable copper conductor, 1100 volts cross sectional area 6 Sqmm 4 core incl removing unserviceable/old cable complete all as specified and as directed. Make : Polycab/Finolex/Paragon/Havells or equivalent

Supply, laing, commissioning and testing XLPE insulated armoured heavy duty electric cable copper conductor, 1100 volts cross sectional area 10 Sqmm 4 core incl removing unserviceable/old cable complete all as specified and as directed. Make : Polycab/Finolex/Paragon/Havells or equivalent

Supply and fix in replacement fully DOL starter suitable for 3 Phase 400/440 volts 50 cycles/seconds for 2 to 3 HP capacity Motor all as specified and directed.

M&L for replacement of existing U/S single phase preventor complete all as specified and directed. Make : Minilec or equivalent

Supply and fixing in replacement of thermometer installed at the CI/GI/MS water main lines of 80 mm diameter all as specified and directed.

Supply, install testing and commissioning in replacement of monoblock/Centrifugal Pump with motor per technical specifications with 5.5 KW/7.5 HP including electric connecting, earth strip connection, with suitable size of nut bots washers ect complete all as specified and directed. Make : Kirloskar/Crompton or equivalent Note:- Old U/S pump set motor complete shall be deposited at AGE E/M Yard.

S & F in replacement of existing unsv cooling tower fan complete with mounting arrangement with motor of capacity 3 H.P complete all as specified and directed. Note :- Old U/S pump set with washers complete should be deposited at AGE E/M Yard

S & F in replacement MS pipes heavy duty grade with all fittings laid in floors or fixed to walls or ceiling or ground etc of 100 mm size including both size heavy duty flanges nut, bolts washers complete all as specified and directed.

S & F in replacement MS pipes heavy duty grade with all fittings laid in floors or fixed to walls or ceiling or ground etc of 75/80 mm size including both size heavy duty flanges nut, bolts washers complete all as specified and directed.

Material and labour for PCC (1:3:6) type C1 (using 20 mm graded aggregate) in filling and mass concrete, surface frains of cooling towers AC plants including necessery form work and finishing surfaces fair and even using extra cement complete all as specified adn as directed.

Supply and fixing in replacement of 3 layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings of dia 50 mm dia laid in walls/Ceilings etc

Supply and fixing in replacement of PP-R Gate valves (brass insert) of 50 mm dia

M&L for writing of MES No/SM No on package type AC plant with Black paint of font size 7.5 cm (17 Nos) and writing of plant capacity, make, date of installation MES/SM No, etc on iron plate of Suitable Size with using of black and white paint and fixing in Plant room on wall using concrete nails/nut bolts etc complete all as directed.

M&L Painting of CI/GI/MS pipes of Air/ Water distribution of size 100 / 80 mm dia along with side supports, Cooling tower pipes, supports channels complete with two coats of synthetic enamel paint over a coat of Red oxide including scrapping using of scrape paper and removing rust part and finishing of smooth surface all as per colour code directed.

Material and Labour in replacement of for Supply Air Grill with VCD of existing size complete all as specified and all as directed.

Material and Labour for replacement of Return Air Grill with VCD of existing size complete all as specified and all as directed.

M&L in replacement of Thermal Insulation for supply/return air duct with 13 mm with Nitrile Rubber.

Material and labour in replacement for steel work of flat iron, Angle iron, and clamps and back plates fabricated, from structural steel sections including nuts, bolts, washers,welding, bending cold or hot,drilling holes for bolts, in any shape or size with as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and as directed by Engr-in-Charge.

m/s Agra Builder