REPAIRS/MAINT OF GEYSER AND SOLAR WATER HEATER AT LGJ MIL STN

Amount

M&L for repair & servicing of storage type elect. water heater (geyser) of any make of storage capacity 25/50 Ltr comprising of the following tasks at different locations of Lalgarh Jattan Mil Stn.(a) Inspection , taking down , opening ( dismentaling ) descaling , brushing , cleaning of storage tank internally complete all as directed. (Leakage repair shall be measured and paid separately under relevent item of BOQ). (b) Examine water tightness of storage tank after cleaning. © Carry out operation of all stop cocks , pressure reducing valves etc. to ensures free movement of the working parts. (d) Replace washers and glands of all taps and ball valves to ensure water tightness. (e) Inspect overflow / vent pipes and remove blockages obstructions if any.(f) Check and correct earth continuty of eletrical items.(g) Check maintain and refit thermostates and test its functioning.(h) Checking and adjustment of pressure reducing valves.(j) Checking of dead weight type high pressure release valve (PRV) by removing dead weight protection cleaning the seat and ensuring that the vest hole is not blocked / chocked.(k) Visual examination of fusible plug to ensure its intactness.(l) Descaling of the immertion type heating element and cleaning with diluted hydrocloric acid or clear pedette solution and testing before refixing (m) Replacement / repair of neon lamp/indicator lamp.(n) Replacement of the rubber /pvc gaskit to ensure water tightness.

M&L for repair of storage type elect. water heater ( geyser) of any make of storage capacity 25/50 Ltr comprising of locating and rectification of defects by Visual Inspection, brushing, cleaning of geyser externally, Replacement / repair of neon lamp/indicator lamp, Check and correct earth continuty of eletrical items, Check the connection of thermostates, heating element and test its functioning, testing of geysers complete all as directed. Note :- Cost of minor spares as indicated above is deemed to be included in the above item and defective major parts shall be measured seperately.

Supply only thermostates ISI marked of 25 ltrs capacity geyser for srl item No 1 above complete all as specified and directed by Engr-in-charge. Note for supply only items : Fixing shall be measured and paid under item No 1 & 2 above.

Supply only safety valve / high pressure valve for 25/50 Ltr cap geysers ISI Marked complete all as specified and directed by Engr-in-charge.

Supply only heating element of 1.5 KW rating as required at site including rubber washers ISI marked complete all as specified and directed by Engr-in-charge.

Supply only heating element of 2 KW rating as required at site including rubber washers ISI marked complete all as specified and directed by Engr-in-charge.

Supply only storage tank 25 ltrs capacity made out of stainless steel sheet and confirming to IS- 2082 (1973) of existing size and fixing the same complete all as specified and directed by Engr-in-charge.

Supply only storage tank 50 ltrs capacity made out of stainless steel sheet and confirming to IS- 2082 (1973) of existing size and fixing the same complete all as specified and directed by Engr-in-charge.

Supply only apparatus plate for 25/50 ltrs capacity gyesers incl rubber gasket/ screw/ nut bolt of required size incl making thread if required complete all as specified and directed by Engr-in-charge.

S & F PVC connection 15 mm size with PTMT nuts of length 450 mm all as specified and directed by Engineer - in – Charge.

M & L in repair PVC connection pipes suitable for hot water with brass hexagonal addoptres both side, suitable for 15 mm dia pipe 45 cm long complete all as specified and directed by Engr-in-charge.

S & F cast copper alloy chromium plated connection for hot water 15 mm size of length 450 mm with nuts all as specified and directed by Engineer - in – Charge.

M & L in repair non return valve 15 mm/20 mm dia. of brass, ISI marked complete all as specified and directed by Engr-in-charge.

M&L for repair to leakage of copper of water heater by necessary welding or by brazing complete all as specified and directed by Engr-in-charge. Note :- Strip opening and refixing shall be paid under item No 1 above.

M & L for preparation of steel surface and applying of one coat of synthetic enameled paint whitewith spray gun including writing of MES Nos with black paint complete all as directed for 25 Ltrs capacity geysers complete all as specified and directed by Engr-in-charge.

M&L for disconnecting of electric connection and dismantling complete solar water heating system of capacity 500 ltrs per day including hot & cold water pipes and hot water tank complete and refixing after repairing the system fixing back in position and testing complete all as specified and directed by Engineer-in-charge. Note : Rates quoted by the contractor shall deemed to be included for :-(a) Making good the worn out missing nuts bolts, washers, union sockets, flanges and screws etc.(b) Dismantling the solar panel descaling of hot water pipes by using appropriate chemicals, cleaning and washing all copper tube thoroughly cleaning the complete panel, making the tubes scale free and re-assembling the panel.(c) Cleaning hot and cold water tanks. (d) All other materials shall be measured and separately under respective items. (e) Contractor rep will collect the complaint from MES sub Stn and prepare separate register and update the register duly signed by users and submitt the same daily to MES.

,---ditto--- all as per item No 16 above but of capacity 400 ltrs per day complete all as specified and directed by Engineer-in-charge.

,---ditto--- all as per item No 16 but of capacity upto 200 ltrs per day complete all as specified and directed by Engineer-in-charge.

Supply and fixing solar energy master collector panel made of aluminium body with toughened glass compete with copper fins of capacity 100 ltrs per day complete all as specified and directed by Engineer-in-charge. Make:- TATA BP SOLAR/ BHEL/ SOLCHROME / STAR TECH/ NOVEL ENERGY NEW DELHI

Supplying and fixing, as in replacement, solar panel toughened glass having thickness 5 mm all as per the existing model of system complete all as specified and directed by Engineer-in-charge.

Supplying and fixing, as in replacement, solar panel gasket made out of fine rubber to make system air tight, dust and water proof complete all as specified and directed by Engineer-in-charge.

Supplying and fixing, as in replacement, copper tubes with collectors fins for solar energy collector panel complete of same dia and thickness as per existing, brazing by copper alloy brazing rod with the existing inlet/outlet hot/cold water pipes to make the panel water tight complete all as specified by Engineer-in-charge.

Supplying and fixing compressed glass wool 48 mm thick between solar energy collector panel copper tubes frame and aluminum body panel including securing it on panel by means of necessary adhesives all as directed all as specified and directed by Engineer-in-charge.

S&F as in replacement, aluminium sheet cover 25 gauge as per existing size to protect glass wool on solar energy collector panel, fixing with frame of solar panel by means of screws all as directed by Engineer-in-charge.

S&F solar energy collector panel manifold 1.40 mtr long, made of 20 mm dia copper tube having 1 No MS flange 74 mm dia welded at each end duly drilled for nuts & bolts complete all as specified and directed by Engineer-in-charge. Note : Rate quoted deemed to be included for welding of solar collector tubes with manifold all as directed by Engineer-in-charge and as recommended by manufacturer.

S&F hose pipe for hot/ cold water for solar system of suitable length as existing size complete with 02 Nos clamps all as directed by Engineer-in-charge.

M&L for insulation of hot water pipe with glass wool and covering with aluminium sheet cladding 25 gauge for 20 mm bore GI pipe complete all as specified and directed by Engineer-in-charge. Note : GI pipe if replaced shall be measured and paid seperately.

M&L for insulation of hot water pipe with black Cover pipe sleaves made out of polyethylene or neoprene foam to reduce heat losses for 20 mm bore GI pipe complete all as specified and directed by Engineer-in-charge. Note :- Bldg Height Min 15 mtr insulation of pipe to be done on down pipes of said bldgs if required. Note : GI pipe if replaced shall be measured and paid seperately.

M&L Cement concrete 1:3:6 type C-2 using 40 mm graded crushed stone aggregate for foundations, fillings and mass concrete complete all as specified and directed by Engineer-in - Charge.

M&L Cross arms, bracings, supports, clamps and back plates fabricated from mild steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat of red oxide, one under coat and one finishing coat of synthetic enamel paint complete all as specified and as directed by Engineer-in-charge.

M & L as in repairs submain wiring with two single core cables PVC FRLS insulated unsheathed 4 Sqmm stranded copper conductor drawn in existing conduit with and including PVC FRLS insulated 4 Sqmm stranded copper conductor cable as earth continuity conductor and connecting complete all as specified and directed by Engineer - in – Charge. Note: PVC cables two single core and one single core of sizes as mentioned will considered as one unit.

S&F as in repairs heating element for solar water heater of wattage 3.0 KW operating on 240 V AC, all as specified and directed by Engineer - in – Charge. Make : Das Pass/ Racold/ Bajaj

S&F as in repairs thermostat for solar water heater of wattage 3.0 KW operating on 240 V AC, all as specified and directed by Engineer - in – Charge. Make:- RENUTROL / DENFOSS/ INDOFOSS

S & F rotational moulded polythene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR part I of capacity 500 Litres all as specified and directed by Engineer - in - Charge .

M&L in repair hot water storage tank of food grade stainless steel 1 mm thick 500 ltr capacity with heat exchangerhaving outer aluminium (aluminium sheet thickness 25 Gauge) cladding with 50 mm thick glass wool incl taking down old one and making all electric and water connection incl water supply fittings like GI union, socket, Nipples etc complete all as specified and as directed. Make: Tata BP Solar/BHEL/Solchrome/Star Tech/Novel Energy New Delhi/Surya Shakti.

M&L in repair hot water storage tank of food grade stainless steel 1 mm thick 400 ltr capacity with heat exchangerhaving outer aluminium (aluminium sheet thickness 25 Gauge) cladding with 50 mm thick glass wool incl taking down old one and making all electric and water connection incl water supply fittings like GI union, socket, Nipples etc complete all as specified and as directed. Make: Tata BP Solar/BHEL/Solchrome/Star Tech/Novel Energy New Delhi/Surya Shakti.

S & F in repair ball brass valve 20 mm bore dia high pressure with polythene float and fly nuts complete screwed with iron pipe and fixed all as specified and directed by Engineer - in - Charge .

S & F in repairs gunmetal globe or gate valve with iron wheel head, screwed both ends for iron pipes 20 mm bore as in repairs complete all as specified and directed by Engineer – in – Charge.

S & F 20 mm bore medium grade steel tubes galvanised with all fittings laid on walls & ceiling or laid in floorl all as specified and directed by Engineer - in – Charge .

S & F 15 mm bore medium grade steel tubes galvanised with all fittings and fixed complete to walls & ceiling or laid in floor all as specified and directed by Engineer - in – Charge .

Cutting existing 20 mm/ 15 mm bore GI tubing for alteration or addition including union of suitable size complete all as specified and as directed by Engineer-in-Charge.

S&F bib taps 15 mm bore dia, cast copper alloy chromium plated with crutch or butterfly handle, screwed down, screwed for iron pipe all as specified and directed by Engineer – in – Charge .

S & F 15 mm bore stop valve, cast copper alloy screwed down, fancy type, chromium plated, high pressure, with crutch or butterfly handle, screwed both ends of iron pipe or for union and fixed all as specified and directed by Engineer - in – Charge.

S&F bib taps 15 mm bore dia, fancy type, cast copper alloy chromium plated with crutch or butterfly handle, screwed down, screwed for iron pipe all as specified and directed by Engineer – in – Charge .

Supply and fix electric water heater, storage type steel body with copper inner tank and heating element upto 2 KW capacity 25 litre, ISI marked, energy efficient complete with all accessories such as safety valve, thermostate NRV, connection piece etc.

Supply and fix electric water heater, storage type steel body with copper inner tank and heating element upto 3 KW capacity 50 litre, ISI marked, energy efficient complete with all accessories such as safety valve, thermostate NRV, connection piece etc.

Supply & fixing socket outlet two in one, 6 pin 5 Amp and 15 Amp flush type all as specified & directed by Engineer-in- charge.

S & F in repair sheet metal single pole and neutral enclosure 240 volts with a two pin and earth plug and socket complete with 20 Amp single pole MCB complete all as specified and as directed by Engr-in-charge.

S & F in repair industrial metal clad plug 20A, 2 pole+ earth 230Volt AC ISI marked complete all as specified & directed by Engr-in-charge.

S & F in repair MCB SP 6 to 32 Amp, 240 Volts, rupturing capacity 9 KA confirm to IS- 8828- 1996, IEC - 60898 complete all as specified & directed by Engr-in-charge.

Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

Aggarwal brothers and company