8453 MAINTENANCE OF WATER SUPPLY INSTALLATIONS AND REPAIR/REPLACEMENT OF WATER SUPPLY PIPE LINE AND SUMMER COOLING APPLIANCES AT SESS PALAYAMKOTTAI UNDER GE TIRUNELVELI

Amount

Material and labour for taking up submersible pump set 7.5 HP from Deep well, 3-phase 415V,50Hz, AC, opening the motor, cutting and removing the burnt windings, cleaning the starter and rotor with cleaning agent, rewinding the motor with appropriate gauge of super enameled copper wire of approved make insulating the winding with same class of insulation complete all as specified and directed.

Material and labour for spray Painting of motor/ pump, with two coat of enamelled paint before one coat of red oxide paint including scraping and writting MES/SM No complete all as specified and directed for the following capacities.

Excavation in trenches for laying of GI water tubing getting out in soft/loose soil n.exc 1.5m wide and n.exc 1.5m depth complete all as specified and directed.

Returning, filling in trenches including spreading, leveling, watering and in layers n.exc 25cms thick without damaging pipes/special fittings as in any type of soil complete all as specified and directed.

Removing excavated materials to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

Repair/Repalcement of CPVC pipe line , checking and arresting of leakage at both ends, testing of leakage after rectifing , complete for the following size of pipe all as specified and directed.

25 mm dia (OD) SDR II

32 mm dia (OD) SDR II

40 mm dia (OD) SDR II

50 mm dia (OD) SDR II

62.50 mm dia (inner)

75 mm dia (inner)

Material and labour for Calcium hypochlorite (consisting of 65 - 70% by mass of available chlorine ) calcium based granular disinfectant for water treatment packed in 45 Kg drums complete all specified and as directed. Note: The specifications of the product should be as per Particular specifications forming part of the tender.

Material and labour for disconnecting /removing the old unserviceable starter parts from the panel and supply and fixing faulty contactor with relay for fully automatic star delta starters of AC 415V, 50Hz, 3-phase suitable upto 7.5 HP capacity electric motor complete all as specified and directed .

Supply only the following for MGF ACF filters of different sizes as per specified for the sizes 800mm dia of vessel complete all as specified and as directed by Engineer-in-Charge.

Sand for both MGF & ACF filters

Silex for both MGF & ACF filters

Pebbles for both MGF & ACF filters

Supply only resin with strainer 30 Nos for filters as per the size of vessel of Softener complete all as specified and as directed by Engineer-in-Charge.

Supply only of activated carbon for ACF coconut shell of activated carbon IV 900 complete all as specified and as directed by Engineer-in-Charge

Supply of EPDM Rubber gasket, 5mm thick for vessels 800 OD to 700 ID complete all as specified and as directed by Engineer-in-Charge.

Supply only nut, bolt and washers for dish of vessels of size 15mm (D) x 62mm (L), having a set of (1 bolt + 01 nut + 02 Washers) complete all as specified and as directed by Engineer-in-Charge.

Labour only for taking out/ disconnection of disinfection system, PSF, ACF, Sofner & Brine system including removal of old filter media of 03 vessels including rubbing and cleaning, loading of new filter media and fixing of valves of all 3 vessels including patch/ welding, fabricating, refilling, replacing defective/ rusted portion complete all as specified and as directed by Engineer-in-Charge.

Material and labour for construction of block masonary valve pit complete with PCC 1:3:6 type C1 solid block walling 20cm thick set in CM (1:4) over 100 mm thick PCC 1:4:8 type D2 foundation, 50 mm thick PCC 1:2:4 type B1 coping on the top of wall, rendering 15 mm thick with CM 1:4 on inside and exposed external surfaces up to 150mm below GL, 3 mm thick MS sheet cover, angle iron frame and locking arrangment etc., including dismantling old existing damaged valve pit complete of following sizes all as specified and directed:-

a) 0.75m x 0.75m x 0.75m

b) 1.2m x 1.2m x 1.0m

Supply and fixing stainless steel name sign board of size 48"x16" made out of wide angle cube corner micro prismatic grade sheeting type XI retro reflective and fixed over 2 mm thick aluminium sheet and back support frame of 25X25X3mm angle supported by 380D stainless steel pipe and 760D pipe stainless steel vertical post grade 304 of size as specified including letters writting on both sides mounted on ground with neccessary PCC of size 600x600X600mm all as specified and directed by engineer-in-Charge.

Supply and fix Ball valve (ISI) marked suitable for CPVC pipe with wheel head screwed both ends for pipe suitable for following bore of pipe including taking down old existing valve complete all as speficied and directed.

50 mm bore pipe

40 mm bore pipe

32 mm dia

25 mm bore pipe

Supply and fix in repair of Single phase 1 HP open well submersible Pump with CI Impeller, Gland packing suitable for fixing all as per required at site and specified by OEM complete all as specified and directed.

Supply and Fix PVC Insulated ,unsheathed Multi Core Bright Annealed Bare Copper Conductor Heavy Duty Industrial Flexible Cables for Voltage Grade 1100 Volts, 4 Sqmm, Single core suitable for 1HP to 3 HP submersible motor complete all as specified and directed by engineer-in-Charge.

Supply and fixing of good quality raingun type sprinkler automatic HT-40G Penguin 1.25" inch rain gun with female threaded, heavy duty, brass nut, tube, nozzles with stainless steel Pivot Pin and nut and bolt with proper fixing arangement complete all as directed by Engr-in-Charge.

Taking out/lifting of submersible pump with submersible cable, supporting wire and column pipe for carryout out repairs in bore well and lowering after completion, complete all as specified and directed by engineer-in-charge. Note: Depth of bore well is approximately 500ft.

Flushing of borewell through high pressure air compressor upto satisfaction level and carring out yield test for the same bore well before and after flushing complete all as specified and directed.

Repair/Replacement of HDPE pipe 75mm , checking and arresting of leakage at both ends using necessary tools and testing after rectifying complete all as specified and directed.

Repair/Replacement of HDPE pipe 65mm , checking and arresting of leakage at both ends using necessary tools and testing after rectifying complete all as specified and directed.

Cleaning and washing of inside portion of semi under ground sump (square) of capacity 60000 Ltrs at SESS Palayamkottai by pumping out complete water including removing of sand/ mud/ slit/ sludge and deposit the mud/ sand to a distance of 50mtr away from UG Sump, cleaning the bottom floor and inside wall using wire mesh brush/ scrubber and washing of inner suface using lime and bleaching powder and applying one coat white wash on inner suface, black synthetic enamel paint single coat in metal surface of ladder/ manhole covers etc. and refilling of water through water bowser as specified including writing tank capacity and cleaning date with white paint on the black background, complete all as specified and directed by Engineer-in-Charge.

Material and labour for attending breakdown complaints like no water supply in service tank, pipe line leakages etc and also removing air lock in married / OTM accommandation with help of required tools and fixing of GI fittings of any size/dia like union, elbow, tee, bend, nipple, socket as and when required complete all as specified and directed. Note: Each complaint shall be measured as a job.

Supply and fix GI rope 6 Sqmm suitable for lifting the open well submersible motor 10HP in case of repair complete all as specified and as directed.

Supply and Fix PVC Insulated three core Sheathed Heavy Duty Industrial Flat Cables for Voltage Grade 1100 Volts, 6 Sqmm, ore suitable submersible motor complete all as specifieds and directed by engineer-in-Charge.

Supply and Fix PVC Insulated Single core Unsheathed SingleCore Bright Annealed Bare Copper Conductor Heavy Duty Industrial Flexible Cables for Voltage Grade 1100 Volts, 10 Sqmm complete all as specifieds and directed by engineer-in-Charge.

Supply and Fix PVC Insulated Single core Unsheathed SingleCore Bright Annealed Bare Copper Conductor Heavy Duty Industrial Flexible Cables for Voltage Grade 1100 Volts, 25 Sqmm complete all as specifieds and directed by engineer-in-Charge.

Supply and fixing Flood light fitting LED type 100 Watt, 42700 lumen output, made up of pressure die cast housing, asymmetric wide beam with IP 66 protection, secondary lens with 120 lm/W efficacy and superior aesthetics suitable for various applications,lens design & optical integration with single die ceramic base high power LED to ensure uniform distribution and maintenance free system all as specified and directed by Engr-in-Charge.

Supply and fix in repairs LED Street light fiiting 60 W LED complete with all accessories internally pre wired and including connecting up fitting etc, including necessary suitable clamps & bracket complete all as specified and as directed.

Supply and fix Nylon Rope 20 mm dia multi stranded for towing of submersible pump 10/7.5/5 HP and lifting in case of repair including taking down out of old nylon rope complete all as specified and as directed.

Supply and fix HDPE Pipe, PN 10 grade, 10 Kg/cm² pressure rating, 75mm dia complete all specified and as directed.

Supply and fix HDPE Pipe, PN 10 grade, 10 Kg/cm² pressure rating, 65mm dia complete all specified and as directed.

M&L for painting to water supply pipe line GI Pipe of 50mm dia from sump to technical building by preparation of surface by scraping, dust cleaning with brush and applying two coat of synthetic enamel paint of standard colour and forming the arrow showing direction of water flow complete all as specified and directed.

REPAIRS TO COOLING APPLIANCES

Material and labour for fixing the following items for 3 X VRF type 17 TR PAC Make - Precision, Model No DATATECH UEDA 100.4 HH installed at ISRO, Tirunelveli including taking down the unserviceable spares complete all as specified and directed:-

(a) PCO Controller, part code - MICA133AYY

(b) EVD, part code - MICA168A

(c) Air Filters

(d) Filter Driers

(e) Refrigerant

(f) Compressor oil

(g) Nitrogen Cylinder

(h) Return/ Supply Air damper

Supply and fixing the following for 1.5/ 2.0/ 3.0 Ton capacity Hiwall/ cassette/ split type ACs including testing and commissioning etc complete all as directed by Engineer-in-Charge.

(a) Starting Capacitor 80/100 MFD.

(b) Running Capacitor 45 MFD.

(c) Relay Assembly (Make: SRI RAM).

(d) Over load protector (O L P).

(e) Thermostat.

(f) Air filters.

(g) Transducers

(h) Blower with circular leaf.

(j) Fan capacitor.

(k) Cabinet wiring Kit .

(m) PVC insulated, sheathed 3-core, 2.5Sqmm copper cable

(n) Steiner tube (copper)

(o) Non Return valve

(p) Capillary tube (copper)

(q) PCB indoor/ outdoor for capacity 1.5 TR

(r) PCB indoor/ outdoor for capacity 2.0 TR

(s) PCB indoor/ outdoor for capacity 3.0 TR

Taking down, checking for serviceability and supply and fix new compressor for the following ACs including first filling of Oil, cleaning the refrigeration system/pipe before installing with CO2 and charging refrigerant gas as required, providing/refixing NRV if required for further gas top up and re-fixing in the position including testing complete all as specified and directed

(a) Split AC 1.5 Ton capacity

(b) Split/ cassette AC 2.0 Ton capacity.

(c) Hiwall Split AC 2.0 Ton capacity.

(d) Hiwall Precision Split AC 3.0 Ton capacity.

Material and labour for fixing the following MCBs in the existing feeder pillar box including connecting the incoming and out going cables by using suitable cable glands and jumpers/cable with the bus bar complete as specified and directed.

(a) MCB TP, 25 to 63 Amp, 415V 10 KA, 'C' Series

(b) MCB TP, 16 to 32 Amp, 415V 10 KA, 'C' Series

(d) MCB SP, 6-32 Amp, 240V 10 KA, 'C' Series

Supply and fixing outdoor Fan motor suitable for condenser unit of split/ cassette/ Hiwall ACs of capacity 1.5TR/ 2 TR/ 3 TR complete with all accessories and fixing in position and testing the unit as directed by Engr-in-charge.

Taking down existing worn out fan/ blade from outdoor unit of ACs and supply and fix new heavy duty PVC/ metallic fan/ blade of same size with standard manufacturer specification including testing and commissioning complete all as directed by Engineer-in-Charge.

Material and labour for SPN enclosure with two pin and earth plug and socket with 240 volts 20 Amp SP MCB including removal old unsv one complete all as specified .

Supply and fixing for copper pipe of required size for 1.5/ 2.0/ 3.0 Ton capacity Hiwall/ cassette/ split type ACs complete all as specified and directed by Engr-in-charge.

Taking down refrigerant of 1.5/ 2.0/ 3.0 Ton capacity Hiwall/ cassette/ split type ACs by dismantling, checking for leakages at various places and fixing the indoor and outdoor units complete with charging suitable refrigerants and making connection complete all as specified and directed by Engr-in-charge. (Note : - Spare parts replaced shall be measured and paid separately under relevant items.)

M&L for circuit/ sub main wiring with two single core 1100 V grade conforming to IS 694 PVC insulated unsheathed cables 4 Sq mm multi stranded copper conductor drawn through PVC rigid conduit in surface/ recessed with an earth wire of one run 4 sqmm copper wire earth continuity conductor complete all as specified and directed by Engr-in-charge.

Supply and fix PVC flexible drain pipe suitable for 1.5/ 2.0/ 3.0 Ton capacity Hiwall/ cassette/ split type ACs complete all as specified and directed.

Taking down burnt out MCCBs and supply and fix new moulded case circuit breakers of following capacity in the existing feeder Pillar box with new bolts and nuts including connecting the incoming and out going cables by using suitable cable glands complete as specified and directed.

(a) MCCB 3 pole 415V fixed type 250 Amps 36 KA

(a) MCCB 3 pole 415V fixed type 25 to 100 Amps 36 KA

M&L for dismantling of electric driven horizontal induction motor of capacity upto 5.0 HP of any type and make, by engaging sufficient man power and suitable T&P to ensure safety of pump-motor as well as working persons including disconnecting of electric connections, dismantling of motor, taking out the burnt windings, cleaning and washing of slots and rewinding the same with copper winding wire of existing gauge and quantity (as per original manufacturer design) including replacement of all damaged parts i. e. bearings, bush, thrust plate, thrust bearing, connector plate, insulating materials such as insulating sheets insulating paper (Class "F"), sealing compounds etc and reassembling the motor after varnishing, heating/drying, greasing of moving parts etc and reinstallation of the motor in original location, checking the alignment, making proper electric connection, testing for smooth operation, complete all as directed. Note : (i) The cost of winding wire and all replaced defective parts are deemed to be included in quoted rates and no extra cost shall be paid to the contractor in this effect. (ii) The cost of transportation (to and fro) and other necessary equipment shall be arranged/brought by contractor to complete the job at site or at repair shop and no extra cost shall be paid to the contractor in this effect.

All as per srl item no 50 here-in-above but for 7.5 HP capacity.

Servicing/overhauling of centrifugal pump set by dismantling completely and replacing unserviceable ball bearing, shaft sleeve, gland neck ring gland rope, nut and bolts, impellers etc. assembling back the complete pump and fixing alignment to the original position and coupling with pump and necessary alignment etc with Two coat enameled paint including scraping complete and written MES/SM, testing and commissioning complete all as specified and directed Note: (i) Spares shall be included in the quoted unit rate. (ii) Painting and writing shall be included in the quoted unit rate. (a) Maintenance schedule :- (i) Checking for looseness of all the foundation and coupling nuts/bolts and rectification. (ii) Checking of leakage in gland packing, shifting base, bushes sluice valves, gate valves etc and rectification. (iii) Checking for any undue noise of motor pump and rectification. (iv) Checking for proper alignment and rectification. (v) Checking for proper lubrication in bearing and lubricating. (vi) Checking all electrical panel using for pumping for cleanliness and rectification for any looseness burnt redressing etc.

Monthly testing of water samples as per parameters given below in order to diagnose the water quality for AC Chilled line and Condensed water system complete all as specified and directed. (a) Ph Value (b) Total Hardness (c) Chlorine (d) Stability Index (e) Floating carbonic Acid

Material and labour for checking Indoor/Outdoor unit, cleaning coil, lubricate fan motors, checking and cleaning drain connection and servicing of 1.5/ 2.0/ 3.0 Ton capacity Hiwall/ cassette/ split type ACs complete up to satisfaction and as specified and directed by Engr-in-Charge.

SIRITEL SYSTEMS PRIVATE LIMITED (BID ID -3284135)

SUPER COOL (BID ID -3284308)