REPAIR /MAINTENANCE OF GEYSERS,WINTER APPLIANCES,SOLAR WATER HEATER AND OTHER ITEMS AT AF STN JAMMU UNDER GE (AF) JAMMU

Amount

M & L for servicing solar FP collector by removing the flange plates, cleaning the collectors internally by using Descalo solution, removing the blockages in the collectors and refixing the flange plates, testing for satisfactory function all as specified and directed.

Material and labour for servicing solar manifold and tank by removing all the tubes in the monifold, cleaning the tubes internally, removing the blockages in the tubes and cleaning the tank and removing all the impurities, assembling and testing for satisfactory funtion all as specified and directed.

S & F in replacement solar water tank of capacity 200 Ltr complete all as specified and directed by Engr in Charge

Supply and fixing in repairs heating element 25mm to 32mm dia, ISI marked for solar water heating plant of capacity 3KW all as specified and directed by Engr in charge.

S & F flange plates suitable for flat plate collectors incuding taking down old unseviceable flange plate all specified and directed.

Supply and fixing in repairs thermostat for solar water heating plant suitable size and ratings etc complete.

Supply and fixing in repairs flexible heat resistance rubber pipe (from inter connect plate collector to hot water tank) of size 25 mm to 32 mm dia etc with fixing clamp etc complete all as specified.

Taking down the collector from its position, removing the top glass of collector and carry out welding/brazing work to the collector and arresting the leakages in the collector, refixing top glass back, testing for satisfactory function all as specified and directed.

Taking down the old unserviceable solar flat plate collector by disconecting flange plates and rubber hose pipes and replacing with new flat plate collector of same size and model, connecting flange plates and rubber hose complete, testing for proper functioning all as specified and directed.

M&L for sub main wiring with two run of 6.00 sqmm single core multi stranded PVC insulated and unsheathed copper conductor (red for phase and black for neutral) of grade 1100 volt FRLS cable in and including electrical grade PVC conduits of desired colour not less than1.2 mm thick and of 25 mm dia & 4 sqmm copper conductor cable PVC unsheathed green coloured for earthing with complete accessories duly connected with earth dolly complete all as specified and as directed incl taking down old unserviceable submain wiring.

Repair, maintenance and servicing of storage type electric water heater (geyser) of capacity 25 to 50 litres comprising of the following tasks at different locations including taking down, transportation to work shop ,opening the geyser, replacement of defective spares and reinstalling the same including testing as directed by Engineer-in-charge. Make : Bajaj, Ditz, Primer, Galco, Racold, Havells, Jaquar or any other make.

Inspection of geysers includes taking down, transporting to works shop for repair, (dismantling) opening descaling, brushing cleaning of storage tank

Check and correct earth continuity of electrical items

Replacement of neon lamp / indicator lamp if defective.

Inspect over flow/vent pipes and remove blockage/ obstructions if any.

Examine water tightness tank after cleaning and necessary measures to make the same water tight if not.

Check thermostat for its proper functioning

Visual examination of fusible plug to ensure its intactness.

Checking of dead weight type high pressure release valve ( PRV ) by removing dead weight protection cleaning the seat and ensuring that the vent hole is not blocked / chocked

Descalling of the immersion type heating element and cleaning with diluted hydrochloric acid and refixing.

Checking and adjustments of pressure reducing valves, carrying out operation of all stop cocks & ensure free movement of all working parts.

Replacement of the rubber / PVC gasket to ensure water tightness

Testing of Geysers after repairs

Replacement of defective components such as thermostat safety valves fusible plug, Heating elements, storage tank apparatus plate etc. Note:- Spare components will be measured and paid separately as supply only under relevent item of Sch 'A'. These parts shall be of the same make of which the geyser is in repair.

Supply only Heating element with rubber washer ('O' ring) cap 1.5KW/2 KW, trangular/round type complete all as specified and as directed. Make- Theetta/Micron/DasPass/Bajaj/Racold/Havells/ Jaquar or as per existing make

Supply only top/bottom plate of size suitable for 25 litres capacity geyser with new machine screws complete all as specified and as directed. Make: As per recommendation of manufacturer's of Geyers of approved makes

Supply only top/bottom plate of size suitable for 50 litres capacity geyser as per existing type and make with new machine screws complete all as specified and as directed

Supply only indicator bulb neon round / square type single phase 230 Volt complete all as specified and as directed. Make: Legrand/Schenieder/Havells/Bajaj

Supply only Safety plug 15mm ( brass ) for geyser cap 25/50 Ltr complete all as specified and as directed. Make: As per recommendation of manufacturer's of Geyers of approved makes

Supply only Thermostat 30°C to 70°C, 230 Volts complete all as specified and as directed. Make- Bajaj / Theetta / Micron / DasPass

Supply only Inner tank for geyser cap 50 litres of copper sheeting of gauge 22 (minimum) complete all as specified and as directed. Geyser make :- Bajaj / Usha / Racold / Venus / Vguard

Supply only Inner tank for geyser cap 25 litres of steel sheeting of gauge 22 (minimum) complete all as specified and as directed. Geyser make :- Bajaj / Usha / Racold / Venus / Vguard

M & L to repair the leakge of copper inner tank of geysers of any capacity by gas welding/brazing for water tightness complete and test under pressure.

Supply only Copper tube 0.635mm thick with 1/2" dia complete all as specified and as directed. Make: As per recommendation of manufacturer's of Geyers of approved makes

Supply only Copper tube 0.82mm thick with 3/8" dia complete all as specified and as directed. Make: As per recommendation of manufacturer's of Geyers of approved makes

S & F gasket rubber ring for heater plate of any size geyser.

Supply only Glass wool of approved quality as recommended by the approved manufacturer's of geysers complete all as specified and as directed. Make: As per recommendation of manufacturer's of Geyers of approved makes

Supply only non return valve(NRV) brass of 15mm bore, after dismantling old unserviceable NRV of any size all as specified and directed.

Taking down loose geysers of any capacity from wall & shifting to new place within 1 to 1.5m distance (available in same location) , refixing the geysers complete with fastners and grouting of bolts & all necessary pipe connections and making good the disturbed wall surfaces all as directed. Note :- GI tubing if required shall be measured and paid separately.

Supply and fixing in repairs MCB SPN 32 Amp, 240 volts, 50Hz, C series of breaking capacity 10 KA, complete all as specified and as directed. Make:- Legrand or its equivalent in Hager/Schneider/Havells

S & F PVC connection 450 mm long complete with brass nut, washers, seals, etc suitable for hot & cold water fixed in repairs complete all as specified and as directed. Make: Theetta / Micron / DasPass / Bajaj

S & F PVC connection 600 mm long complete with brass nut, washers, seals, etc suitable for hot & cold water fixed in repairs complete all as specified and as directed. Make: Theetta / Micron / DasPass / Bajaj

S & F multi core round PVC insulated copper conductor PVC sheathed cable, 1100 Volts grade cable 3 core 4 Sqmm and including taking down existing cable complete all as specified and as directed. Make: Plaza/Havells/Polycab/Anchor

Taking down carefully copper/aluminium point wiring (Power/socket) surfaces / concealed with PVC sheathed cables drawn in and including PVC rigid conduit with all fitting and fixing accessories, earth wire, MS terminal boxes with hylam sheet top covers complete removing material to store for keeping in safe custody for reuse at site and making good the disturbed surfaces of wall ceiling and floors as per existing complete all as specified and as directed.

Point wiring concealed with 4 Sqmm copper conductor cable (multistrand) PVC insulated FRLS (unsheathed), surface type, drawing in and including PVC conduit 25 mm dia, cutting chases wall & ceiling and making good to disrurbed surface of wall ,ceiling etc,having wall thickness not less than 2 mm with sunk cast iron/pressed steel terminal boxes made out of 1.2 mm thick sheet including one coat of red oxide primer on internal and external surface covered with 3 mm thick hylam brand IS-2036 marked, laminated sheet cover (for mounting switches, sockets, regulators etc), including 4 Sqmm PVC insulated (multistranded) FRLS copper conductor continuous earth wire for Power point controlled by one switch on independent board complete all as specified and as directed.

Switch socket combination but 5A/16A, 5 in 1 flush type universal with fuse & neon incator including taking down old u/s socket outlet of any type complete all as specified and as directed.

S & F single pole and neutral encloser with two pin and earth plug and socket complete with one single pole MCB SP 20 Amps 240 volts with taking down old u/s SPN enclosure.

Bib taps, 15mm dia fancy type, with crutch or butterfly handle screwed down, screwed for iron pipe or for brass furrule and fixed in repairs complete all as specified and as directed. Make: Parko/Seico/ESS ESS/Cera

Supply and fixing in repairs for stop valve, cast copper alloy, screw down high pressure, crutch handle screwed both end for iron pipe, fancy type, chromium plated for 15mm bore pipe.

Supply only geyser water (inlet/outlet) assembly brass for geyser cap 25 Ltr of any type.(Geyser make :- Super hot, Racold, Bathwell, Ditz, Kumar, Pearl, Classic, Pieco)

Supply only geyser water (inlet/outlet) assembly brass for geyser cap 50 Ltr of any type.(Geyser make :- Super hot, Racold, Bathwell, Ditz, Kumar, Pearl, Classic, Pieco)

Comprehensive maintenance of Centralised AC Plant installed at UGBO,Auditorium through authorised agent of original equipment manufacturer including carrying out preventive maintenance and servicing as per Manufacturerer's manual, Repair and overhauling, Discaling of compressor, Cleaning of filters, cooling coils, Detecting and arresting of leakages of air/gas/lubricants/fuel etc, attending breakdown and rectification of all type of defects including electrical, electronic circuits & drives, mechanical and refrigeration/air conditioning including taking down unserviceable parts, spares as and when required for the following Plants all as specified and directed by Enginner-in-Charge: - (A) Location: UGBO,Auditorium at 23 wing (a) Package Type AC Plant 37.5 TR Make : Blue Star (b) Package Type AC Plant 50 TR Make: Voltas Note:1. 03 units installed at UGBO,condenser total 09 descaling treated as one job and 02 units installed at auditorium ,condenser 02 descaling treated as one job . 2.Contractor will also detect the leakage by giving nitrogen gas pressure to compressor for check the leakages of all copper tube and arresting the leakages

Notes: (a) Original copy of purchases, order placed to dealer of OEM and paid vouchers slong with servicing report shall be submitted to Engineer-in-Charge before payment. Servicing shall be carried out strictly and if contractor fails to execute this item, department will be carried out this work through on its own (or other agency) and any expenditure occured will be recovered from this contract. (b) HCL, Chemical and T & P required for cleaning and descaling and nut, bolts, washers, distilled water, shall be included in the unit rate quoted against this item. (c) Spares replaced will be measured and paid saperately under respective Items. (d) Breakdowns shall be attended on priority as and when occured and rectification of defect shall be carried out in less than 24 Hrs for minor in house repairs and within 01 Week for measure repair or which require Machine/Plant to be shifted to workshop.

Supply and filling of Refrigerant R-407C to centralised AC plant installed at auditorium as approved complete all as specified and as directed.

M&L for servicing of AHU installed at UGBO,Auditorium and removing of all blockages of AC plant complete all as specified and directed by Engr In Chage .

M&L for servicing of hot water generator capacity of 100 KW removing the heating element, fiixing the heating element and checking the all electrical circuits complete all as specified and directed by Engr In Charge

Supply and fixing of heating element capacity of 25KW and all also removing old u/s heating element complete all as specified and directed by Engr In Charge

M&L for removing,repairing mother board of AC plant installed at UGBO,auditorium capacity of 37.5 TR,50 TR complete all as specified and directed by Engr In Charge

Supply only plug top 3 Pin 15 Amp complete all as specified and directed by Engr In Charge

SCHEDULE 'A' PART-II (Schedule of credit) Credit amount of Rs (Refer schedule of credit) for retrieved material mentioned in Sch 'A' Part-II of Tender documents in PDF form will be deducted offline during acceptance of tender of lowest bidder.

Note: (1) The repair has to carried out as and when required basis and accordingly site will be available in piecemeal wise and as directed by Enginer-in-Charge in the Air Force station area or Kaluchak area .

M/S VIDYA ENTERPRISES

M/s Shakti Electric Works

Shree Karni Construction

PAWAN KUMAR GOVT. CONTRACTORS

Harsh Electricals