AC Maintenance BTPS

Amount

PART A

Round the clock operation, keeping records of relevant parameters and taking precautionary measures as per schedules of supplier for continuous running of 'DAIKIN' JAPAN make VFD type and Reciprocal type central Air Conditioning package and related equipments installed at 21 Meters and other locations on T/G floor area of 'B' Thermal Power Station.

Round the clock operation, keeping records of relevant parameters and taking precautionary measures as per schedules of supplier for continuous running of 'DAIKIN'JAPAN and other make water cooled/air cooled SPLIT Type package air conditioners and related equipments installed at different locations as WTP, ESP, ASP House, DFA control room & Compressor House of "B" Thermal Power Station.

Preventive and running \ routine maintenance jobs which includes cleaning of air filter, greasing of bearing, adjusting tension of v-belt, checking vibration, alignment of pumps, 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. The details of equipment installed locations are as mentioned below:

a. Main plant AC and associated AHU , FCU installed at 21 mtrs,7 mtrs, 0 mtr,

b. Water cooled package AC at simulator building

c. Water cooled package AC at ESP 4 & ESP 5

d. Water cooled package AC at service bldg & electrical workshop

e. water cooled package AC at WTP & Ash slurry pump house

f. Air cooled AC at Ash slurry pump house, ESP4&5 -

g. Air cooled AC at CPP, HT switch gear

h. split AC at air compressor house, Fire pump house

i. split AC at Telephone exchange and dry fly ash control room

j. split AC at SPMS

k. split AC at GM & SE's room in service building

l.. split AC at lift control room service building

PART B

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.

Water cooled type 15 KW

Water cooled type 10.8 KW

Water cooled type 7.5 KW

Water cooled type 5.5 KW

Air cooled type

Split type

Supply & charging /installation

R-22 Gas per Kg.

R407C gas per Kg

Nitrogen Gas per Metre Cube

Repair \ Overhauling of centrifugal pump installed with water cooled air conditioning package and central air conditioning package. The work involves dismantling of pump, alignment of pump with motor and other work like impeller repair, replacement of bearing etc. and than 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 and other associated work.

Repair\ Overhauling of 3 way control valves.

Rewinding of motor used in cooling tower fans, indoor and out door unit fans & other motors pertaining to various air conditioning packages & water coolers as per details given below. The work involves dismantling motor fan, packages\ coolers carrying away to the work place rewinding 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) 30 KW, 3 0, 415 V, 50 Hz

(c) 15 KW, 3 0, 415 V, 50 Hz

(d) 10.8 KW, 3 0, 415 V, 50 Hz

(e) 7.5 KW, 3 0, 415 V, 50 Hz

(f) 5.5 KW, 3 0, 415 V, 50 Hz

(g) 3.7 KW, 3 0, 415 V, 50 Hz

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

(i) 1.5 KW, 3 0, 415 V, 50 Hz

(j) 0.75 KW, 3 0, 415 V, 50 Hz

(m) 3 KW, 1 0, 240 V, 50 Hz

(n) 2.2 KW, 1 0, 240 V, 50 Hz

Complete overhauling motors used in cooling tower fans indoor/outdoor unit fans and other motors pertaining to various air conditioning packages. The work involves dismantling and overhauling of motors varnishing of windings, re-installation with proper alignment and ensuring it’s continue trouble free operations for 72 hrs. Along with Guarantee for six months

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

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

(c) 11 KW, 3 0, 50 Hz, 415 V

(d) 7.5 KW, 3 0, 50 Hz, 415 V

(e) 5.5 KW, 3 0, 50 Hz, 415 V

(f) 3.7 KW, 3 0, 50 Hz, 415 V

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

(h) 1.5 KW, 3 0, 50 Hz, 415 V

(i) 0.75 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 piping

Repairing 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

Gas charging (Nitrogen and Mefron)

Attending water leakage of water cooler from inside and out side both

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

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

M/S AIR FREEZE

M/s R.L.ENGINEERING