REPAIR MAINT OF CEILING FAN EXHAUST FAN PEDESTAL FAN AIR CIRCULATOR FAN GEYSER SOLAR WATER HEATER AND ALLIED WORKS AT SUKNA MIL STN

Amount

Dismantling of post or struts (wood, steel or RCC) any section, including taking out embedded portion and making good disturbed ground post embedded in natural grounds all as directed by Engr-in-Charge.

Excavating in post holes (or similar holes) each n exc 0.5 cum getting out, returning, filling in, removing and ramming earth or broken rubble mixed with each around, in layers not exceeding 25 cm soft/loose soil complete all as specified and directed.

M&L for plain cement concrete 1:3:6 type C-2 in foundations, filling and mass concrete complete all as specified and as directed.

S&F mild steel flat iron/angle iron for post and strut in fencing including cutting top to shape as direced drilling hols notching for wire etc including all necessary reveting etc complete all as specified and directed.

S&F mild steel screw bolt (machne made with hexogonal or square heads at one end and screwed the other or screwed both ends each screwed end to be filled with washer one nut 11 to 15 mm dia shank and exc 5 cm and n.exc 10 cm complete all as specified and directed.

M&L mild steel round bars 10 mm dia and over, cut to length, bent to shape required, including hooking ends for securing chain link fencing, conforming to IS Fe 410-W(Gde.E-250), quality-A, complete all as specified and directed.

M&L preparation of new steel surfaces of any description not exceeding 10 cm width or girth when unconnected with other painting or when painted in a different tint and including applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply only chain link fencing for fixing to fencing post with nut and bolt and flat iron all as specified and directed

Fixing only in repairs chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire

M&L for Preparation of old wall surface one coat of cement base paint complete all as specified and directed.

M&L preparing new steel surfaces of any description, not otherwise describe over 10 cm width or girth and applying two coats of synthetic enamel paint over red oxide complete all as specified and directed.

Dismantling Asbestos Cement with ridge (Corrugated, Semi corrugated etc.) sheets in roof coverings complete all as specified and directed.

S&F Prepainted galvalume aluminium zink coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering /cladding to wall fixed with self tapping screws complete all as specified and directed.

S & F of roof trusses (framed), trussed, purlins, crane gantries, rails, fastening and heavy bracket framing (Beam, tee, angle, channel or flat sections), including distance pieces, cleats etc. confirming to Fe – 410 – W(Gde E - 250) quality 'A' complete all as specified and directed.

Dismantling structural steel work including doors, gates but excluding framed truss etc complete all as specified and directed.

M&L in repair to broken/damaged RCC chajjas by making good with PCC 1:2:4 type B1 or cement mortar 1:3 rendering 15mm thick mixed with water proofing compound to top & sides and soffits in cement mortar 1:4 including necessary form work, reinforecement duly welded if required including demolition of broken/loose PCC or taking down old plaster upto a height of 9mtrs complete all as specified and as directed.

M&L for chequered cement concrete tiles 30 cm x 30 cm x 25 mm thick set and jointed and pointed in neat cement slurry in floor with grey cement and pigment over and including cement screed 15 mm thick in CM 1:4 and including dismantling complete all as specified and directed.

M&L Non skid coloured tiles 7 to 8 mm thick (square/ rectangular) area of each tiles exc.0.06sqm but not exc 0.11sqm in floor etc set and jointed in neat cement slury over and including cement screed 20 mm thick 1:6 and including dismantling complete all as specified and directed.

Taking down ceiling fan 1200 mm to 1400 mm sweep of any make sealing cable ends, dismantling blades , one coat painting with synthetic enamel paint by spraying after cleaning thoroughly with kerosene oil including filling cavities with filler etc, hanging the ceiling fan and connecting up including provision of cable from ceiling rose or connector to fan, complete all as specified and as directed by Engr In Charge. Note :-Cost of repairs / rewinding of motor will be measured and paid separately.

Taking down exhaust fan 200 mm to 450 mm sweep of any make sealing cable ends, dismantling blades ,one coat painting with synthetic enamel paint by spraying after cleaning thoroughly with kerosene oil including filling cavities with filler etc, refixing the same in original position including provision of cable from ceiling rose or connector to fan, complete all as specified and as directed by Engr In Charge. Note:-Cost of repairs / rewinding of motor will be measured and paid separately.

Supply only Capacitor 2.5 mfd, 230 Volts, AC, 50 Hz, complete all as specified and as directed.

Supply only Capacitor 3.15/3.5 mfd 230 Volts, AC, 50 Hz, complete all as specified and as directed.

Supply Gun Metal Bush suitable for wall Fan /Exhaust Fan complete all as specified and as directed.

Supply Ball Bearing of suitable size for Ceiling Fans 1200 mm to 1400 mm sweep complete all as specified and as directed.

Supply and fitting GI pipe tube of size 40 mm medium grade in bldgs for hanging of ceiling fans including taking down of existing rusted pipe complete all as specified and directed by Engr- In - Charge.

Supply MS down rod of size 15/20 mm dia and length 1' for ceiling fan including electric connection, nut, bolt and clamp as in repair complete all as specfied and directed.

Supply MS down rod of size 15/20 mm dia and length 2' for ceiling fan including electric connection, nut, bolt and clamp as in repair complete all as specfied and directed.

Supply MS down rod of size 15/20 mm dia and length 3' for ceiling fan including electric connection, nut, bolt and clamp as in repair complete all as specfied and directed.

Supply smart anti suicidal MS down rod for ceiling fan including electric connection, nut, bolt and clamp as in repair complete all as specfied and directed.

Supply & fixed in repair stepped type electronic fan regulator flush type on the existing phenolic laminated sheet complete all as specified and directed.

Supply & fixed in repair Modular stepped type electronic fan regulator, single phase , 2 Module, to be fixed on existing sheet complete all as specified and as directed.

Supply and fixed D clamp of strip size 25x6 mm with suitable washer,nuts, bolts in any shape or size as indicated or directed and inclusive of one primer coat ,one under coat, one finish coat of paint complete for hanging of ceiling fan all as specified and as directed.

Supply only rubber reel 1.7/2.5 insulator for Ceiling fan suitable for 1200/1400mm sweep complete all as specified and directed.

Supply split pin of suitable size for ceiling fan of sweep 1200mm/1400mm complete all as specified and directed.

Supply PVC connector for Ceiling fan of 1200/1400mm sweep including all connection complete all as specified and directed.

Supply and fixing in replacement of new ceiling fan polished blades (set of three) of best quality for fan of size 1200/1400 mm sweep any make complete all as specified and as directed.

Supply and fixing in repairs of louvers for metallic body exhaust fans of size 200 to 300 mm sweep of any make as per sample complete all as specified and as directed.

Supply and fixing in repairs of louvers for metallic body exhaust fans of size 380 to 450 mm sweep of any make as per sample complete all as specified and as directed.

M&L for Rewinding of ceiling fan 1200 mm sweep of any make with super enameled copper winding wire as per existing size and gauge including heating, varnishing, replacement of unserviceable/worn out parts for satisfactory running including electrically connected with flexible wire multi-stranded copper conductor cable of size 23/0.0076 from ceiling rose to fan and testing, complete all as specified and as directed.

M&L for Rewinding of ceiling fan 1400 mm sweep of any make with super enameled copper winding wire as per existing size and gauge including heating, varnishing, replacement of unserviceable/worn out parts for satisfactory running including electrically connected with flexible wire multi-stranded copper conductor cable of size 23/0.0076 from ceiling rose to fan and testing, complete all as specified and as directed.

Supply and fixing of ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1200 mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) complete all as specified and as directed.

Supply and fix exhaust fan made of sturdy Engineering plastic complete with louvers shutter, voltage 230V, 50 Hz, RPM 1200, Copper winding of sweep 250 mm sweep complete all as specified and as directed.

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 300mm sweep with, blades, and frame and louvers complete all as specified and as directed.

Supply and fixing of ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1400 mm sweep. Min air delivery 245 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) complete all as specified and as directed

M&L for Rewinding of exhaust fan 200 to 300 mm sweep of any make with super enameled copper winding wire as per existing size and gauge including heating, varnishing, replacement of unserviceable/worn out parts for satisfactory running including electrically connected with flexible wire multi-stranded copper conductor cable of size 23/0.0076 from ceiling rose to fan and testing, complete all as specified and as directed.

M&L for Rewinding of exhaust fan heavy duty 380 mm to 450 mm sweep of any make with super enameled copper winding wire as per existing size and gauge including heating, varnishing, replacement of unserviceable/worn out parts for satisfactory running including electrically connected with flexible wire multi-stranded copper conductor cable of size 23/0.0076 from ceiling rose to fan and testing, complete all as specified and as directed.

Taking down BLDC ceiling fan 1200 mm to 1400 mm sweep of any make sealing cable ends, dismantling blades,repairing and hanging the ceiling fan, connecting up including provision of cable from ceiling rose or connector to fan, complete all as specified and as directed by Engr In Charge. Note:-Cost of repairs / spares will be measured and paid separately.

Supply only blade assembly of BLDC fan any sweep complete all as specified and as directed.

Supply only PCB of BLDC fan any sweep complete all as specified and as directed.

Supply only stator assembly of BLDC fan any sweep complete all as specified and as directed.

Taking down geysers any type and capacity (25/50 ltrs) from the existing position in wall and removing to stores for repairs, cleaning and re-fixing the same in original position after repairing including electric and water connection, testing etc complete all as specified and directed by Engineer-in-Charge. Note : Parts/accessories for geysers to be replaced shall be measured and paid separately under relevant items.

Supply only Copper heating element tubular/spherical steel type 1500 W (ISI Marked) suitable for 25 ltrs capacity as per sample after removing the existing defective element complete all as specified and directed by Engineer-in-Charge.

Supply only Copper heating element tubular/spherical steel type 2000 W (ISI Marked) suitable for 25 ltrs capacity as per sample after removing the existing defective element complete all as specified and directed by Engineer-in-Charge.

Supply only thermostat switch ISI marked for geysers of 25-50 ltrs capacity of micro gap steam type thermostat SEA/TSE and make as per sample approved by Engineer-in-charge including testing complete all as specified and directed.

Supply only thermostat auto cut off switch ISI marked for geysers of 25-50 ltrs capcity, make as per sample approved by Engineer-in-charge, including testing complete all as specified and directed.

Supply only brass aperture plate complete with pluger pipe, bolts, nuts, and rubber ring complete and all connected components for 25 ltrs capacity geysers including testing complete all as per sample directed by Engineer-in-Charge.

Supply only split plate of 22 SWG MS sheet white stove enamelled suitable for bottom cover of 25 ltrs capacity geysers including testing complete all as per sample approved and directed by Engineer-in-Charge.

Supply only SS flexible connecting pipe of size 15 mm dia ,600 mm long with brass coupling and union at both ends & washers,heavy duty suitable for fix on 15 mm dia GI pipe secured to inlet/outlet of geysers and other end to stop cock complete with connection all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair of 20 Amp Metal clad SPN socket 3 pin (2P+E) complete all as specified and directed.

Supply and fixing in repair of 20 Amp Metal clad SPN plug 3 pin (2P+E) complete all as directed

S&F Single Pole & Neutral enclosure with 2 pin and earth plug & socket for incorporating with single pole 20 Amp DP MCB and including taking down old unsv one complete all as specified and directed by the Engineer-in-charge.

Supply only Rubber/ PVC gasket to ensure water tightness of 25/50 Ltrs capacity geyser all as specified and directed by Engr- In Charge.Make : As per sample

Supply only Air release valve/dead wreight Valve ISI marked suitable for 25 Ltr capacity geyser all as per sample approved and directed by Engineer-in-Charge.

Supply only Non return Valve (NRV) brass of 15 mm bore ISI marked suitable for 25 Ltr capacity geyser all as per sample approved and directed by Engineer-in-Charge.

Supply only glass wool (spl quality) as thermal insulation for use container and outer casing complete all as directed by Engineer-in-Charge.

Supply only Pilot lamps round neon indicator for suitable for 25 ltrs capacity geyser fitted on the unit including necessary electric connection, testing complete including taking out old defective indicator complete all as specified and as directed by Engineer-in-Charge.

M&L for Scraping, cleaning/removing deposited scales, connecting cavities as required for copper vessel outside surface, MS outer shell with top and bottom cover both surface shall be painted with two coat of synthetic enamel paint on outer surface of shell, top and bottom cover shall be painted with two coats of synthetic enamelled paint over a coat of red oxide zinc chrome primer and one coat of of red oxide to copper vessel outer surfaces and inner surface of outer shell geyser of any size 25/50 ltrs capacity and numbering/marking with different colour paint complete all as specified and directed by Engineer-in-Charge.

M&L for Repairing leak portion of inner tank of geyser of any type/capacity by mean of spot welding with slider/brass spot braising and testing complete (Nos of spot welding not exceeding 5) complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair of copper inner tank for hard and soft water pressure upto 100PSI (7.00 Kg/Cm2) and normal working pressure is 30 PSI (2.11Kg/Cm2) for 25 Ltr capacity after removing the existing defective tank complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair of stainless steel inner tank for hard and soft water pressure upto 100PSI (7.00Kg/Cm2) and normal working pressure is 30 PSI(2.11Kg/Cm2) for 25 Ltr capacity after removing the existing defective tank complete all as specified and directed by Engineer-in-Charge.

Supply only mild steel outer cover 22 SWG for 25 ltrs capacity any dia of geyser including bottom and top cover with MS clamp, outer ring and split pin including two coats of paint over one coat of red oxide primer including dismantling the unserviceable cover as per direction by the Engineer-in-Charge.

Supply only PVC insulated and PVC sheathed 0.75sqmm 3 core flexible copper cable of size 24/0.20,1100 volts grade complete including taking down old flexible unserviceable wire complete all as directed by Engineer-in-Charge

Supply & fixing in repair of stop valves of 15mm size, cast copper alloy, screwed down, high pressure with crunch or butterfly handle, screwed both ends for GI pipe or for unions fancy type,chromium plated complete all as specified and direted by Engr-In-Charge.

Supply & fixing in repair of stop cock concealed type 15mm size, cast copper alloy, screwed down, high pressure with crunch or butterfly handle, screwed both ends for GI pipe or for unions fancy type,chromium plated with long shank and cup complete all as specified and direted by Engr-In-Charge.

Taking down carefully old unsv copper/aluminium point wiring (light, fan, socket or power) complete,including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets,sunken type box etc.and removing materials to store for keeping in safe custody for reuse at site or for taking credit and making good to disturbed surfaces of walls, floors etc with its original specification complete all as specified and directed by Engr-in-Charge.

Material and labour for point wiring of 15 amps socket on independent board with 2.5 Sqmm single core, PVC FRLS insulated unsheathed, multistranded copper conductor as main line drawn through and including PVC casing caping including necessary accessories like bends, tees, PVC square and elbow etc fixed on wall/ceiling and earth conitinuity conductor 2.5 sqmm (green in colour) connected to common earth dolly including sunken type pressed steel terminal boxes of suitable sizes with plastic laminated white/coloured top sheet cover 3 mm thick including making good all disturbed surfaces to match the existing complete all as specified and directed.

Supply and fixing of switch socket out let combination multipurpose 3 pin, 15/16 Amps and (with 3 pin 5 Amps outlet also) flush type (non shuttered) complete all as specified and directed.

Supply and fixing in repair of Plug Top with indicator 3 pin 15/16 Amp AC 230 Volts complete all as specified and directed.

Taking down of solar water heater of any capacity and servicing of the same by authorized service provider as directed by the Eng-in-Charge, complete with checking of all water connection, tank, panel, cleaning of panel glass, gaskets, reservior tank, checking for lekages, mounting foundations etc. and making serviceable and testing after servicing and refixing the same in places as directed complete all as specified and as directd by the Eng-in-Charge. Note: - all minor parts and gaskets and repair of lekages of tank is included in the item rate.

S&F Thermal insulation for solar water heater pipe after removing damaged insulations and cleaning complete all as specified and as directed.

Cleaning of solar water heating panel by opening inlet and outlet with necessary cleaning agent suitable for panel safety and re-connection complete all as specified and as directed.

Checking of connection of solar water heater to each individual supply point where hot water has been initially connected making output points serviceable with necessary cleaning of pipes complete all as specified and as directed.

S&F in repairs 20 mm bore gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and directed.

Dismantling old defective solar water heater collector and supply and fixing in repair soloar water heater collector with aluminium frame, copper pipe, suitable size of glass, inlet and outlet of water etc all as directed.

Dismantling and taking out old PVC water tank any capacity and supply and fix PVC water tank of 500 ltrs capacity with inlet & outlet water connection ISI marked complete all as specified and directed.

Taking out old rusted stand of cold/hot storage water tank of solar water heater made with suitable size of angle iron including necessary welding including PCC work as required etc complete all as specified and directed.

Dismantling of hot water storage tank of any make & size and supply and fix hot water storage SS tank of solar water heater of capacity 200 ltrs with proper insulation, inlet outlet water connection complete all as directed.

Taking out of solar water heater collector glass and supply and fix in repair solar water heater collector glass of existing size ISI marked complete all as specified and as directed.

Taking out of rusted hot water insulated pipe and supply and fix GI pipe medium grade with insulation of size 20 mm dia complete all as specified and directed.

M/s TRIMURTI ASSOCIATE (BID ID -3107287)

PS ENTERPRISE (BID ID -3105501)

Jagatbandhu Enterprises (BID ID -3105378)

R K UDYOG (BID ID -3106465)

M/s B. K. Ghosh and Co. (BID ID -3105900)

SHRI N.DAS (BID ID -3104101)