REPAIR MAINTENANCE OF FIRE HYDRANT FIRE FIGHTING SYSTEM AND SOLAR HEATING EQUIPMENTS AND ALLIED WORKS AT KOLKATA AREA UNDER GE (N) KOLKATA

Repair, servicing, cleaning and maintenance of 500LPD FPC solar water heater including replacement of minor spare parts like nut bolts, washers, bush, PVC cap, PUF insulation, welding of structure where required are included in the unit rate quoted complete all as specified and directed.

S & F in repair solar water heater element suitable for 500 lpd solar water heater complete all as specified and directed.

S & F in repair vacuum tubes panel of length 1800mm, diameter 58/47mm (outer/ inner) and borosilicate glass of thickness 1.6mm having efficiency 1383W/826W suitable for 500/1000 lpd solar water heater complete all as specified and directed. Make: Supreme Solar/Gangotri Solar/V-Guard

S & F in repair solar water tank with inner tank made up of 1.2mm CRCA sheet with CO2 welding inside coated with prime guard coating 2.5mm and SS connecting pipe 3/4" (nominal bore 20mm) for hot water outlet and cold water inlet 33.6mm (nominal bore) for heating element including tank insulation with 50mm thick PUF and necessary supporting structure complete all as specified and directed. Make: Supreme Solar/Gangotri Solar/V-Guard

S & F in repair rotational moulded polyethylene (multi-layered) water storage tanks of capacity 500 Ltrs complete all as specified and directed.

Supply & fixing in repair 3 layered PP-R (Poly-propylene random copolymer) pipes SDR7.4 (PN-16) UV stabilised and anti microbial fution welded having thermal stability for hot and cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed to walls, ceilings or in floors etc. complete all as specified and directed for size 25mm (outer dia) complete all as specified and directed.

All as per Item No. 6 above but of size 32mm complete all as specified and directed.

All as per Item No. 6 but of size 50mm complete all as specified and directed.

Supply & fixing in repair single headed ISI marked oblique pattern hydrant/ landing valves with 80mm dia flanged inlet & 63 mm dia instantaneous type female outlet complete with stainless steel cap and GI chain twist release type plug and all accessories as per IS : 5290 -1983 (Type 'A') including fixing with anchor fasteners and flanged tapping complete all as specified and directed. Make- Safe Guard, Armuour,Guard

Supply & fixing in repair fire hydrant stand post 80mm dia MS with provision of single outlet both flanged type 1.5m height conforming to IS 908 complete all as specified and directed.

Supply & fixing in repair fire brigade inlet connection 2 way consisting of two nos 63mm dia instanteneous type male coupling with built in check valves complete all as specified and directed.

Supply & fixing/ laying in repair of ERW MS pipe of size 100mm nominal bore with welded joint providing corrosion resistance by applying wrapping tape and coating with synthetic enamel paint after preperation of pipe surface and two coats of primer over pipe surface complete all as specified and directed.

Supply & fixing in repair dial type (100 mm dia) pressure gauge with isolation ball valve suitable for working pressure of 250 PSI including providing any short pieces, nipples, elbows etc. as required having calibration of 0-14 Kg/cm2 complete all as specified and directed. Make: H.guru/Emerald/Fiebig

Supply & fixing in repair Hose box made of 18 gauge MS Sheet 800mm X 600mm X 250mm with double door with 4 mm thick glasses and door frame made of 16 gauge MS sheet painted fire red out side and brilliant white inside yard complete all as specified and directed.

Supplying, installing, testing and commissioning in repair 0 to 16 Kg/ cm2 ON/OFF digital pressure switch in delivery line of pump along with control wiring for auto starting and auto stopping of hydrant/sprinkler and jockey pumps complete all as specified and directed. Make - Honeywell/Danfoss/Jhonson controls.

Supply, fixing, testing & commissioning in repair of 63 mm dia 15 m long nonpercolating flexible hose (RRL- type B) as per IS : 636. Type "B" with Stainless Steel male & female instantaneous type coupling (IS 903) bound and riveted to hose pipe with copper rivets and 1.5 mm copper wire complete all as specified and directed. Make- Safe Guard, Armor, Guards

Supply and fixing in repair rubber hose reel of 20 mm dia and 30 meter length conforming to IS 5132 with brass nozzle complete all as specified and directed. Make- Safe Guard, Armor, Guards

Supply & fixing in repair of C.I. Butterfly valve of 80mm dia conforming to IS : 13095 with nut, bolts and washers complete [PN -1.6 rating (16kg/cm2)] complete all as specified and directed. Make- Zoloto/ Sant.

Supply and fix in repair 100 mm bore cast iron sluice valves, Non rising type, (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged,with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts,bolts, washers and gasket etc and testing complete including taking down old unserviceable sluice valve complete all as specified and directed.

M&L for cleaning of RCC overhead reservoir of capacity 20,000 Ltr at top of the building15 mtr staging complete all as specified and directed. (a) Cleaning of OHT with evacuate water from the tank with suction pumps with high speed jet of water clean all the surfaces of inside of tank so as to dislodge the layers of dirt on the surfaces of tank, take out the dislodged dirt with a SLUDGE PUMP which leaves the tank completely dirt free and Removing mould, moss foreign materials scale end dirt etc, from the internal surfaces of the tank and from the mouth of pipe by scraping with steel filter brushes or steel scrappers disposal of water materials to a distance N exc 50m (b) Sterilize the tank with in ANTI - BACTERIAL agent, which should be biodegradabale, ECO-FRIENLY in nature and totally safe for drinking water finally, expose the surface of tank to special ULTRA-VIOLET RAYS for some time which terminate the FLOATING WAVELENGTHS if anySpreading a thin layer of bleaching powder in internal surface of reservoir and then cleaning with fresh water.

Supply, installation, testing and commissioning of Fire alarm control panel 7 zone conventional type in replacement including checking of all cable connections with manual call points & hooters complete all as specified and directed.

Supply & fixing in repair addressable manual call point resettable type complete all as specified and directed.

Supply & fixing in repair loop powered electronic sounder cum strobe complete all as specified and directed.

M&L for repair of online UPS of capacity 3 KVA for ARD system including repair/replacement of PCBs, batteries, SMPS, power buttons, internal wirings etc. as required complete all as specified and directed.

S & F Aviation light two way with low intensity red colour with ip 65 protection incl taking down old unserviceable one complete all as specified and directed. Make Surya Cat no SLE AL S LDR SEN IP 65/ Equivalent Model of Makes specified In PS.

Supply and fix cable junction box IP 65 , inside dimension 140x140x79 mm with provision of connector/terminal for cable upto 10 sqmm size to be fixed on pole/ wall with suitable size of clamp, nut bolts and washer ,made out of thermoplastic polycarbonate with glass fibre reinforced including taking down old unserviceable junction box with mild steel work complete all as specified and as directed. Make - Cape, Cat no CJB007PS or equivalent model of Makes specified in PS.

Supply & fixing PVC insulated unsheathed single core multistranded FR-LSH industrial cable with elctrolytic grade annealed copper conductor, 1100 Volts grade of nominal area 25 Sqmm confirming to IS:694 including connection using copper lugs of suitable size after disconnecting and taking out old unserviceable cables complete all as specified and directed.

All as per Item no. 27 above but nominal area of conductor 35 Sqmm complete all as specified and directed.

All as per Item no. 27 above but nominal area of conductor 50 Sqmm complete all as specified and directed.

All as per Item no. 27 above but nominal area of conductor 95 Sqmm complete all as specified and directed.

All as per Item no. 27 above but nominal area of conductor 120 Sqmm complete all as specified and directed.

All as per Item no. 27 above but nominal area of conductor 185 Sqmm complete all as specified and directed.

Materials and labour for earthing complete with galvanised steel pipe electrode, 40mm bore, medium grade, 2.5 metres length, buried directly and preferably vertically in ground with top edge not less than 1.25 metres below ground level connected with earthing lead of 4mm dia galvanised iron or steel wire connected to galvanized iron earth lead wire 4.0 mm dia length upto 7.5 mtr by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth lead wire protected by and including 15mm dia GI pipe (light grade) not exc 7.5 mtr, alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth lead connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 2 of SSR part-1 and testing on completion including taking out old earthing complete all as specified and directed.

S & F Three core copper cable conductor 4.0 sqmm FRLSH including clamps,nut bolts complete all as specified and directed.