Annual running preventive and Breakdown maintenance of Air conditioning systems and breakdown maintenance of Water cooler work of BTPS Anpara except Coal Handling Area

Amount

PART-A (OPERATION / RUNNING / PREVENTIVE MAINTENANCE WORKS OF DIFFERENT AC PACKAGES UNDER BTPS EXCEPT COAL HANDLING AREA)

Round the clock operation & maintenance, keeping records of relevant parameters and taking precautionary measures as per schedules of supplier for the following continuous running AC system (a) 'DAIKIN' JAPAN make 5x37 KW semi hermitically sealed compressor and VFD type (2X87KW) Reciprocal compressor type central Air Conditioning package and related equipment’s installed at 21 Meters and other locations on T/G floor area of 'B' Thermal Power Station. (b) Other make water cooled/Air cooled, package installed at, Coal lab, Service building, Simulator building, Ash Slurry Pump House. (c) Tower AC, related equipment’s installed at Different locations as WTP, ESP, Excitation room, (d) Split Type, related equipment’s installed at Different locations DFA control room SPMS, fire pump house, 4&5 service building Split AC at GM & SE's room in service building &other BTPS Area Compressor House of "B" Thermal Power Station Air cooled AC at CPP, HT switch gear split AC at air compressor house, Fire pump house split AC at Telephone exchange and dry fly ash control room split AC at SPMS &other BTPS Area (e) Preventive and running \ routine maintenance jobs in chillers/compressors, AHU, FCU, Cooling Towers, water pumps, ducts, insulation, dampers, valves, which includes cleaning of air filter, Greasing of bearing, checking vibration and alignment of pumps, replacement of pullies, bearings V-belt, cleaning of work area, oil and gas (Refrigerant) charging in the event of leakages or non-performance of air conditioning system and all other necessary preventive maintenance work as mentioned in scope of work annexure-II to keep the AC system in smooth working condition.

PART-B (Breakdown Maintinence)

Complete repair / overhauling to make it properly functional except motor winding of semi-hermetically sealed 37 KW compressor of water cooled chiller central air conditioning system installed at +21M T/G floor (Water cooled chiller package).

Complete repair / overhauling of hermetically sealed compressor units of air conditioning package of following types

(1) 11.4 to 13.4 TR (Water/air cooled type)

(2) 7.5 to 9.0 TR (Water/air cooled type)

(3) 4.5 to 5.5 TR (Water/air cooled type)

(4) 1.5 to 2.0 TR (Water/air cooled type)

Installation of Split/Window/Tower AC

Installation of 1.5 to 2.0 TR new/old Split/window AC.

Installation of 4.5 to 5.5 TR Tower AC new/old.

Supply & charging /installation

(a) R-134a Gas per Kg.

(b)R-410a Gas per Kg.

(c)R-407c Gas per Kg.

(d) R-22 Gas per Kg.

e) R-32 Gas per Kg.

(e) Nitrogen Gas per cylinder.

Repair \ Overhauling of centrifugal pump installed with water-cooled air-conditioning package and central air conditioning package. The work involves like dismantling of pumps, repairing of impeller, bearing replacement, gland replacement, fitting of electrical motor and alignment of pump with, etc. and then installation at site.

Repair \ Overhauling of air blowers of air handling units. The work includes dynamic balancing of blower fan, replacement of bearings, repair of shaft & fan blades and other associated work.

Overhauling of Cooling Tower: Work involve complete dismantling of cooling Fins, fan & Motor, Fan guard, spraying pan, Fins, Minor repair of structure and fan blades, cleaning of fins, Replacement of bearings, Overhauling and Varnishing of motor & painting of structure etc. Reinstallation of the same insuring trouble free operation.

Rewinding of motor used in cooling tower fans, indoor and outdoor unit fans & other motors pertaining to various air conditioning packages & water coolers as per details given below. The work involves dismantling of motor, fan, rewinding, motors varnishing, testing reinstallation with proper alignment and ensuring its continuous trouble-free operation for 72 Hours. Along with guarantee for six months.

(a) 37 KW, 3 0, 415 V, 50 Hz

(b)10 KW to 30 KW, 3 0, 415 V, 50 Hz

(c) 5.5 KW, to 7.5 KW, 3 0, 415 V, 50 Hz

(d) 2.2 KW to 3.7 KW, 3 0, 415 V, 50 Hz

(e) 0.75 KW to 1.5 KW, 3 0, 415 V, 50 Hz

Complete overhauling of motors used in cooling tower fans indoor/outdoor unit fans and other motors pertaining to various air conditioning packages (old/New). The work involves dismantling and overhauling (old /new) of motors varnishing of windings, re-installation with proper alignment and ensuring it’s continued trouble-free operations.

(a) 30 KW, 3 0, 50 Hz, 415 V

(b)7.5 KW to 15 KW, 3 0, 50 Hz, 415 V

(c)3.7 KW, to 7.5 KW, 3 0, 50 Hz, 415 V

(d) 2.2 KW, 3 0, 50 Hz, 415 V

(e) 0.75 KW to1.5 KW, 3 0, 50 Hz, 415 V

Break down maintenance of Water coolers installed at various places of BTPS

Repairing of Thermostat switches of water coolers.

Repairing of water faucet of water cooler.

Repairing of copper piping in water cooler

Repairing/replacement of filter.

Repairing of valve.

Repairing of compressor.

Replacement of compressor.

Replacement of Thermostat switches of water coolers.

Replacement of water faucet

Replacement of Over load relay, if require.

Removal of fan jamming, greasing of bearing of fan and other moving parts.

Attending gas leakage of cooling tube and compressor

Attending electrical problem of water cooler from inside and outside both.

Attending water leakage of water cooler from inside,

Attending of the water pipe connection.

Painting of water cooler’s Base & body to avoid corrosion.

Complete repair/ overhaul of compressor

Repairing of body and base plate

M/S AIR FREEZE

M/S R L ENGINEERING