REPAIR/MAINTENANCE OF ELECTRICAL CONTROL SYSTEMS OF CENTRAL AC PLANTS, AHUS, FCU, CSUS, DX TYPE AC PLANTS, PACKAGE AC PLANTS, VRF UNITS, COLD STORAGE, DEHUMIDIFIER, AIR COMPRESSORS, PACS AT NAVAL BASE KOCHI AND PERIODICAL MAINTENANCE SERVICES

Amount

Material and Labour for servicing of chiller/condenser pump of capacity up to 5 HP including disconnecting & dismantling, replacement of unserviceable bearings, water seal, gland bush, suitable gaskets/rubbers, nut bolts, terminal box and gland packing including reassembling, painting (Two coat of synthetic spray paint after preparation of surface and one coat of primer) and refixing the same location complete all as specified and directed by Engineer in charge.

Ditto all as per item No 1 but 7.5 HP to 10 HP capacity.

Ditto all as per item No 1but above 10 HP to 15 HP capacity.

Ditto all as per item No 1 but above15 HP capacity.

Dismantling of electric motor 3 phase 415 V 20 HP to 25 HP, transport to local work shop and taking out of bearing and re-metaling the bearing housing shaft, including rewinding with same gauge super enamelled copper insulated wire winding, turning to the required size, cleaning of stator, varnishing, drying, re-assembling, painting the motor to bring in original state including fixing on the foundation all as directed by Engineer-in charge.

Ditto all as per item No 5 but for 15 HP Capacity.

Ditto all as per item No 5 but up to 10 HP Capacity.

Material & Labour for Servicing/repairing of pump starter panel of capacity up to 5 HP (DOL) of chiller/ condenser pump / CT motor/compressor motor in AC plants, including decarbonizing, tightening of control cable terminations, cable glands, and end termination crimping by attending with skilled Electricians and helper, with necessary T&P for checking and make functional at Various locations in Naval base Kochi. Note: (i) Any major work identified while attending the above job shall be measured and paid separately under relevant item below as supply and fix. (ii) Minor spares up to 200 Rs per unit shall be included in the above quoted rate.

Material & Labour for Servicing/repairing of pump starter panel of capacity of 7.5 HP Star delta type of chiller/condenser pump/CT motor/compressor motor in AC plants, including decarbonizing, tightening of control cable terminations, cable glands, and end termination crimping by attending with skilled Electricians and helper, with necessary T&P for checking and make functional at Various locations in Naval base Kochi. Notes: (i) Any major work identified while attending the above job shall be measured and paid separately under relevant item below as supply and fix. (ii) Minor spares up to 200 Rs per unit shall be included in the above quoted rate.

Ditto all as per item No 9 but for capacity of 10 HP.

Ditto all as per item No 9 but for capacity above 10 HP to up to 25 HP.

Ditto all as per item No 9 but for capacity above 25 HP to up to 50 HP.

Supply and fixing in replacement of LED linear batten Polymer HLO,18 watt, 4 feet, 230 Volt,along with copper cable as required for connecting existing points at inside AC plants/AHUs complete all as specified and directed.

Supply and fixing in replacement of single core copper cable of size 6 sqmm connection along with copper lugs in existing starter connections/pump/motor connections etc complete all as specified and directed

Supply and laying in replacement through pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 10 Sqmm 4 core complete all as specified and directed

Ditto all as per item No 15 but for grade of size 16 Sqmm 4 core.

Ditto all as per item No 15 but for grade of size 25 Sqmm 4 core.

Supply and replace power contactor MNX-18 to 22, 18 Amps, TP, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor complete all as specified and directed.

Supply and replace power contactor MNX-25, TP, 25 Amps, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor complete all as specified and directed.

Supply and replace power contactor MNX-32, 32 Amps TP 415V of coil voltage 220V with aux contact 1 NO+1NC all as specified and directed.

Supply and replace power contactor ML Type/ MNX-40, 40 Amps, TP, 415V of coil voltage 220v with aux contact 1 NO+1NC complete all as specified and directed.

Supply and replace power contactor MNX-50, 50-70 Amps, TP, 415V of coil voltage 230v with aux contact 2 NO+ 2 NC complete all as specified and directed.

Supply and replace power contactor ML/ MNX-95, 95 Amps, TP, 415V of coil voltage 230V with aux contact 2 NO+ 2 NC complete all as specified and directed.

Supply and replace power contactor MO up to capacity 18 Amp-20 Amp, 415V of coil voltage 220 V with aux contact 2 NO+2 NC including taking down the old unserviceable contractor all as specified and directed.

Supply and replace add -on Aux contact block front mounting of 2 NO + 2 NC suitable for MNX contactor 9-80A, 3P, complete all as specified and directed.

Supply and replace power contactor MO, 25-45 Amps complete all as specified and directed.

Supply and replace thermal overload relay for ML/MO/MNX contractors capacity up to 42 Amp all as specified and directed delay range 6 to 42 Amps complete all as specified and directed.

Supply and replace STAR DELTA timer with coil voltage 230/415V for 3-30 sec range complete all as specified and directed.

Supply and replace timer ET 100 electronic coil voltage 230/415V for 3-10 sec range all complete as specified and directed.

Supply and replace single phasing preventer, suitable for 380V-415V, AC complete all as specified and directed.

Material & Labour for attending breakdown call for electric fault in AC plant LT panel for MCCBs/Electric LT panel bus bar reconditioning, cable gland and end termination crimping of 3 Ph elect supply LT cables, any type of electrical complaint pertains to AC plants with skilled electricians and helper , with necessary T&P for checking the equipment at various locations in Naval base Kochi, find out the faults to the equipments (including replacement of minor parts such as lugs, fuses, wires, nuts, bolts, washers etc) complete and rectification of minor problems to make the plant functional all as directed by the Engineer- in-Charge. Note: (i) Any major work identified while attending the above job shall be measured and paid separately under relevant item below as supply and fix. (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate.

Supply and replacement of MCCB 415V, 36 KA, 4 pole DN 3, 630 Amp with spreader terminals, including taking down unserviceable MCCB all as specified and directed.

Supply and replacement of MCCB DN 2, 25KA, 4 pole, capacity 200 - 250 Amps,415 Volt including taking down unserviceable MCCB all as specified and directed.

Supply and replacement of MCCB DN 0, 25 KA,100 - 125 Amps, 4 pole including taking down unserviceable MCCB all as specified and directed.

Supply and replacement of MCB, TPN 20-32Amp, C curve, 10 KA including taking out old unserviceable MCB, all as specified and directed.

All as per item No 35 but of TPN 63 Amps curve, 10 KA.

All as per item No 35 but of TP 20-32 Amps, C curve, 10 KA.

All as per item No 35 but of TP 40-63Amps, C curve, 10 KA

Supply and fixing in replacement of fully automatic star-delta starter in sheet metal enclosure of type MK with capacity up to 12.5 HP/9.3KW suitable for Motor Rating AC-3, 415V, 50H, complete all as specified and directed.

Supply and replacement of digital Voltmeter 3 phase, Class 1 complete all as specified and directed.

Supply and replace digital Ammeter 1/5A, 3 phase, Class 1 complete all as specified and directed.

Supply and replacement of power contactor MNX-12, TP, 240V of coil voltage 220 V with aux contact 1 NO contactor including taking down the old unserviceable contractor all as specified and directed.

Supply and replace add ON Aux contact block front mounting of 1 NO + 1 NC suitable for MNX contactor 9-80A, 3P, complete all as specified and directed.

Supply and replacement of MN2 4.5-7.5A Relay complete all as specified and as directed.

Supply and replacement of MN2 6-10A Relay complete all as specified and as directed.

Supply and replacement of MN2 9-15A Relay complete all as specified and as directed.

Supply and replacement of MN2 14-23A Relay complete all as specified and as directed.

Material & Labour for painting of central AC plant cooling tower with two coats of synthetic enamel spray paint of existing colour paint after preparation of existing surface up to 100 TR capacity all as specified and as directed

Material & Labour for painting of central AC plant cooling tower with two coats of synthetic enamel spray paint of existing colour paint after preparation of existing surface above 100 TR and upto 240TR capacity all as specified and as directed

Material & Labour for painting of central AC plant up to 225 TR for Three chilling units i.e, including of compressors, condensers, pumps and motors frames, panel board complete including chiller and condensing water pipe lines (approximate length - 25 metre) with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of each unit and marking SM/ MES numbers etc all as specified and directed.

Material and Labour for refilling cartridge at ceiling mounted ABC type fire extinguisher and producing safe working certificate for 01 years of capacity up to 5 Kg including dismantling, transporting and replacing of pressure gauge (if found unserviceable) and refixing to the existing location all as specified and directed by Engineer-in-Charge.

Material and Labour for refilling cartridge at ceiling mounted ABC type fire extinguisher and producing safe working certificate for 01 years of capacity up to 5.5 Kg to 10 Kg including dismantling, transporting and replacing of pressure gauge (if found unserviceable) and refixing to the existing location all as specified and directed by Engineer-in-Charge.

Material & Labour for washing /rubbing down etc and stopping old distempered surfaces of walls and applying one coat of acrylic washable distemper complete all as specified and directed

Material & Labour for washing /rubbing down etc and stopping old surfaces of wall by and applying one coat of whitewash complete all as specified and directed.

Material & Labour for washing /rubbing down etc and stopping of old surfaces of ceiling by and applying one coat of white wash complete all as specified and directed.

Material & Labour in brushing/rubbing down etc old painted surfaces of walls by and applying one coat of cement based paint all as specified and directed

Material & Labour for preparing old painted surfaces of walls by brushing/rubbing down etc and applying one coat of antifungal paint complete all as specified and directed

Material & Labour for complete removal of existing treatment and applying two coat of antifungal paint over a coat of primer complete all as specified and as directed.

Material & Labour for preparation and applying of one coat of synthetic enamel painting on old steel surface of any description, not otherwise described, over 10cm width or girth complete all as specified and directed

Material & Labour for preparation and one coat of synthetic enamel painting on old wooden surface of any description, not otherwise described, over 10cm width or girth complete all as specified and directed

Dismantling wrought iron or mild steel work of any description not otherwise provided complete all as specified.

Supply & Fix Mild steel plates, plain or chequered, 5mm thick or over in thickness in available sizes Fe-410-W(Grade- E-250) quality-B for cover of cable duct and all other complete all as specified and directed

Supply & Fix in Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc. Fe-410-W (Grade- E-250) quality-B complete all as specified and directed.

Demolition of unreinforced cement concrete in ground floors and paving not exceeding 15cm thickness (below or above ground level) complete all as specified and directed.

Material & Labour for Providing 100mm thick cement concrete 1:3:6 Type C2 (20 mm graded aggregate) in cement concrete in sub-floors, sub-bases, floors and paving, etc, complete all as specified and directed.

Material & Labour for PCC 1:3:6 Type C2 20mm graded aggregate as in plinth protection of 75mm thick complete all as specified and directed.

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and directed.

Supply & Fix Prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of an 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.

Supply & Fix Prepainted galvalume aluminium zinc coating GI based plain sheet 0.50mm thick of any colour having tensile strength of 550mpa as in roof covering, fixed with self tapping screws as specified.

Material & Labour for preparation of surfaces of new iron and steel surfaces and applying two coats of synthetic enamel paint (ordinary tint) over a coat of red oxide primer complete all as specified and as directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding complete all as specified and directed.

Supply & Fix Coloured Non-skid ( joint free ) Ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 Sqm but not exceeding 0.11sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 20mm thick screed bed in CM 1:6 complete all as specified.

Supply & Fix Coloured Non-skid( joint free ) Ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match including 20mm thick screed bed in CM 1:6 complete all as specified.

Supply & Fix Glazed ceramic coloured tiles 300x250x7mm thick or 450/350/7mm thick .in dado incl 10mm thick backing coat in CM 1:4 etc. set and jointed in neat cement slurry and pointed in coloured cement with pigment.

Material & Labour for Chequered cement concrete tiles of size 30cmx30cm and 25mm thick, with mix of grey cement and pigments, set, jointed and pointed in neat cement slurry and pointed with mixture of grey cement and pigments in floors including 20mm thick screed bed in CM 1:6 complete all as specified.

Material & Labour for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS15658-2006 of 80mm thickness M-40 Grade with grey cement & no pigment etc including 50mm thick bedding with 6 to 10mm graded coarse aggregate complete all as specified

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. and precast concrete articles complete as directed.

Material & Labour for Precast cement concrete solid block masonry 1:3:6, type C1 using 20mm graded aggregate exceeding 10cm in width and setting cement mortar 1:6 complete all as specified.

Taking down cement plaster on brick or stone wall etc. including raking out joints, hacking for keys, scrubbing down with water etc. complete all as specified.

Material & Labour for 15mm thick rendering in cement mortar 1:4 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement mixed with water proofing compound (water proofing compound will be measured and paid separately) complete as specified.

Material & Labour for 10 mm thick rendering in cement mortar 1:6, on fair faces of brick work/ concrete finished even and smooth without using extra cement complete as specified.

Material & Labour for preparation of new plastered surfaces of wall and apply of two coats of Oil bounded distemper complete all as specified.

Material & Labour for preparation of new plastered surfaces of wall and apply of two coats of cement base paint over a coat of alkali resistant priming paint complete all as specified.

Taking down shutters with frames of size exceeding 1.5 Sqm but not exceeding 4 Sqm each with shutters (without taking off shutters from the frame) and removing from site complete as directed.

Taking down shutters with frames of size not exceeding 1.5 Sqm each with shutters (without taking off shutters from the frame) and removing from site complete all as directed.

Supply & Fix powder coated(minimum thickness of powder coating 50 micron) aluminium frames for doors, windows, ventilators with one or more rebate including joining cleat for fixing etc complete all as specified including taking down old unserviceable items complete all as directed.

Supply & Fix powder coated( minimum thickness of powder coating 50 micron) aluminium door shutters, aluminium section weighing 1.50kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, handles 2 Nos in each door, hinges(150mm size-3 nos), anodised aluminium snap beading, screws etc. complete all as specified

Supply & Fix Powder coated aluminium window and ventilator shutters, side hung type without sash bars, aluminium sections weighing 1.50 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as peg stays 150mm long (1 no.) hinge type B-21 100mm long (2 no.) suitable handle (1 no.) complete all as specified.

Hacking out old broken glass (any thickness, size, quality or description) from metal frame including punching or drilling out old glazing pins/spring clips etc complete all as specified.

Supply & Fix sheet glass, ordinary quality 4.8 mm thick and glazing with aluminium bedding/ oil putty in square exceeding 0.5 Sqm in each pane complete all as specified.

Supply & Fix sheet glass, ordinary quality 4 mm thick and glazing with alu bedding/ oil putty in square not exceeding 0.5 Sqm in each pane complete all as specified.

Supply & Fix Aluminium alloy wire cloth 0.45mm nominal dia of wire and average width of aperture 1.40mm and fixed with aluminium wire staples complete all as specified.

Material & Labour for Veneered decorative plywood 9mm thick, grade 1 (with BWR resin) with decorative face veneers on both faces; fixed with screws to timber frame all as specified.

Supply & Fix solid PVC Door frame of size 50mmx47mm made out of 5mm plain colour PVC sheet reinforced with MS square tube, supplying & fixing in opening as per specification & drawing as mentioned in section 8 of SSR Part II 2010 complete all as specified.

Supply & Fix Factory Made Solid PVC Moulded Door Shutter, 28 to 30mm thick (stiles), with 2, 4, or 6 raised panel design with 2mm thick Moulded Pre-laminated PVC Sheet on the front face & 2mm Plain colour PVC Sheet on back face supplying & fixing in frame at site as per specification & drawing as mentioned in section 8 of SSR Part II 2010 complete all as specified.

Supply & Fix Aluminium anodised, barrel tower bolts of extruded section and fixed of size 150mm complete all as specified.

Supply & Fix Aluminium anodised, barrel tower bolts of extruded section and fixed of size 100 mm complete all as specified.

Supply & Fix Butt hinges, medium weight, cold rolled mild steel 100mm size and fixed complete all as specified.

Supply & Fix Aluminium alloy, anodised, sliding door bolt of size 300mm long with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast- aluminium alloy and fixed complete all as specified.

Supply & Fix Extruded aluminium alloy handles, fabricated 125mm size and fixed complete all as specified.

Supply & Fix in repairs vitreous china wash basin white flat back size 580 x 450 mm excluding taps, but including cutting for and pinning in ends of brackets, waste pipe and brackets complete all as specified and directed.

Supply & Fix in repairs Vitreous China wash down water closet pan (Pedestal pattern) white including connection to drain and to flushing pipe, plastic water closet seat cover with clamp complete all as specified and directed.

Supply & Fix in repair PVC low level flushing cistern siphonic action type, low level white 10 litres capacity with ISI mark including inlet ball valve float, handle and brackets and connection to pipes etc, complete as specified.

Supply & Fix in repairs CP Bib taps, cast copper alloy, fancy type, screwed down, screwed for iron pipe or for brass ferrule and fixed for 15 mm bore steel tube complete all as specified.

Supply & Fix in repairs concealed stop cock regular body, quarter turn with flange Chromium plated fancy type of size 15mm and taking down, complete all as specified

Supply & Fix in repairs chromium plated fancy type pillar tap 15mm dia fixed complete all as specified

Supply & Fix in repairs brass chromium plated tubular towel rail 20mm dia D type 60cm long complete all as specified

Supply & Fix PVC connection 15mm with PTMT nuts of length 450mm long and taking down old one complete all as specified and directed.

Supply & Fix in repairs CP shower rose 15mm bore fancy type 125mm size complete all as specified and directed.

Supply & Fix in repairs ball valves, 20mm bore high pressure of PTMT with epoxy coated Aluminium rod & high-density plastic bal screwed for iron pipe and fixed (Minimum weight 20mm-210 gms) complete all as specified and directed.

Supply & Fix in repairs Gun-metal, globe or gate valves, with iron wheel head, screwed both ends on CPVC pipe including necessary fittings of size 20mm bore dia complete all as specified

Taking up or down 15mm bore galvanised steel tubing and connections including cleaning for refixing or removal from site all as directed.

Supply and laying 20mm dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified.

Taking up or down 20mm bore galvanised steel tubing and connections including cleaning for refixing or removal from site as directed.

Supply and laying 25mm dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified.

Dismantling water tanks Exceeding 250 litres capacity & not exceeding 500 litres capacity and removing from site complete all as specified

Supply & Fix Rotational moulded polyethylene water storage tanks (ISI marked) of capacity 500 litres (cylindrical vertical with closed top) hoisted and fixed in position complete all as specified.

Dismantling of wall and ceiling boards (fibre, pulp, insulation etc.) including cover fillets and removal of debris complete all as directed.

Supply & Fix Anodised aluminium snap grid frame work for false ceiling of grid size 605mmx605mm as specified in Clause 10.38 of MES Schedule Part I complete all as specified and directed.

Supply & Fix hangers 4mm dia GI (upto 1200mm length ) adjusting level fix to roof slab by means of ceiling, cleats made out of GI flat 40 x 3mm size 60 mm long and expansion hold fasteners 12.5mm dia 40mm long complete all as specified.

Supply & Fix 8mm thick Non asbestos fibre cement building boards fixed or laid/ inserted to timber/GI/Aluminium framework with screws of size 600mmx600mmx4mm in ceiling fixed with screw as per manufacturer’s instructions complete as specified.

Material & Labour for PCC 1:2:4 type B-1(using 20 mm graded stone aggregate) as in coping on wall including weathering, slightly rounded or chamfered angles or throating complete all as specified and directed.

Supply & Fix in repairs PVC (SWR) bends 110 mm bore, any radius fixed to wall all as specified and directed.

Supply & Fix in repairs PVC (SWR) floor trap 75mm bore, plain with grating including joints with solvent cement all as specified and directed.

Supply and fixing steel rolling shutter, without ball bearing as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer of thickness of laths 1.25mm erected in position as indicated complete push pull or manual type complete all specified and as directed.

Supply and fixing steel rolling shutter, without ball bearing as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer of thickness of laths 1.25mm erected in position as indicated complete but gear operated type with bevel gear box and crank handle complete all specified and as directed.

Amount of Credit Schedule shall be deducted to arrive the Contract Sum.

AR Traders