DRILLING OF 2 NOS BOREWELL AT HELICOPTER DIVISION TUMAKURU HAL HC

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Experience of having successfully completed similar works during last 7 years ending last day of previous month. [Latest work experience certificate may be uploaded] (i) THREE similar completed works each costing not less than the amount equal to 40% of the estimated cost. (ii) TWO similar completed works each costing not less than the amount equal to 50% of the estimated cost. (iii) ONE similar completed work each costing not less than the amount equal to 80% of Amount put to the tender.

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DECLARATION I

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Description

WATER SURVEY: Geophyacal investigation by vertical electrical sounding by adopting venner or schlumbergers method or any other sclentific or approved method including reconnaissance survey of geolocal formation, geophysical investigation of existing ground water in the vecinity, its quality & acceptability of the users indicating the location of site recommended depth of casing pipe required to seal the top unconolidated formation including an extra depth 1m in comsolidation formation for proper seating of casing pipe, depth of drilling required to over full depth aquifier proposed to be tapped, probable yield and other information required including transportation of instrument and accessories to work site engaging technical personal and labour reguired,etc complete as directed by EIC / OIC.

DRILLING BORE WELL: Sinking / Drilling of 160/165 mm dia borewell with necessary drilling plants and equipments (drilling rigs, Compressor etc.,) for the depth as specified below including Site clearance if required, drilling through various underground strata necessary underground blasting of rocks tests for quantity and analysis of under ground water for quality including transportation of plant equipment men and materials etc., all complete as per directed by the EIC / OIC.. Note: The Agency shall take reguired permissions of concerned Gverment Bodies (if reguired) and official fee will be pald by HAL

Supplying, Jointing and fixing in position to required depth Mild Steel casing pipe of dia 165 to 170mm, MS Collar heavy grade of 2.5 mm thickness of approved quality brand and manufacture, threading and joining the collar / jointing with proper welding alround, installing upto required depth, all complete as approved, specified and directed by EIC / OIC.. [MS Casing pipes and MS Collars contractors own supply and exposed portion will be painted with anticorrosive paint]

Supplying, Jointing and fixing in position to required depth 250mm dia UPVC casing pipes of heavy duty conforming to IS and to withstand a pressure of 16 KGF/Sq cms, of approved quality brand and manufacture, threading and joining with SS Nipple, clamp, installing upto required depth etc., all complete as approved, specified and directed by EIC / OIC

Supplying, Jointing & Fixing in position to depth upto 1000 feet 50mm dia UPVC submersible coloum pipe confirming to IS and to withstand a pressure of 16 Kgs/Sq cmtr of approved quality brand and manufacture, threading and jointing with SS nipple, clamp, installing upto required depth etc., all complete as approved, specified and by EIC / OIC.

Providing and fixing M.S. clamps made up to M.S. flats (50 x 10) mm - 20 Nos.with necessary boolts, nuts and washers and 165/170mm din MS bore well cap inclusive of cost of all materials, labours, tools & plant over and with one coat of yellow board zinc chromate primer preparation of surface etc., complete all as per approved design and as directed by the EIC / OIC.

Supplying and fixing 50 mm dia Gun metal high pressure heavy duty Non Return valve of NETA make or approved make conforming to IS 14846 (Class I) fixed to GI pipe with all required GI Specials etc., all complete as directed and as per the instructions of the EIC / OIC.

Supplying and fixing 150mm dia MS Borewell clamp and cap with adjustable nuts, bolts, etc., all complete as directed by the EIC / OIC.

Providing and fixing meadium grade 50mm dia nominal bore G.I. pipes with fittings such as bends, tees, elbows, couplings, reducers, unions, check nuts, plugs etc., jointing with teflon tapers, clamping, etc., including trenching and refilling.and painting with one coat of zinc chromate primer and two coats of first quality synthetic enamel paint of approved colour etc., all complete etc., all complete as directed and as per the instructions of the EIC / OIC.

Supplying, Installation, Testing and Commissioning of three phase openwell ISI Marked submersible pump set of texmo-aquatex / CRI / Kriloskar / Cromton make /V Guardof 7.5 H.P capacity suitable for operation on 415V(+-10%), 3- phase AC supply compatible for operations on dynamic variable frequency / speed having IP 68 Protection including providing required no's of heavy duty M.S clamps made of flat iron and suitable size top cover made of suitable thick MS sheet as required. and making of flexible IP68 cable connections, 50mm cutlet lowering along with pipe lines as per directions inclusive of cost of all materials, labour, tools and plants, taxes, conveyances etc., all complete a approved and as directed by the EIC / OIC.

Supplying, Installation, Testing and Commissioning of three phase open well ISI Marked submersible pumpset of 1.5H.P. capacity suitable for operation on 415V(+-10%), 3- phase AC supply compatible for operations on dynamic variable frequency / speed having IP 68 Protection including providing required no's of heavy duty M.S clamps made of flat iron and suitable size top cover made of suitable thick MS sheet as required. and making of flexible IP68 cable connections etc. complete of suitable head and discharge etc. complete as required.

Supplying & fixing of approved brand and manufacture (FINOLEX/equivalent) 3 Core 4.0 Sq mm Flat Cable PVC insulated PVC sheathed copper conductor submersible flat cable ISI Marked in existing metal/ HDPE / PVC/ pipe/ in bore well/ in sump including fixing the cable to GI/HDPE pipe with suitable cable tags of following sizes etc. complete as required. all complete as approved, specified and directed by EIC / OIC.

Supplying, Fixing and Commissioning Havells or other HAL approved make 32 A TP & N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required. etc., all complete as directed and as per the instructions of the Engineer-in-Charge.

Supplying, Fixing and Commissioning Havells or other HAL approved make 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of Triple pole and neutral in the existing MCB DB complete with connections, testing and commissioning etc. as required. etc., all complete as directed and as per the instructions of the Engineer-in-Charge. [HAVELL's / INDO KOPP OR APPROVED make]

Providing, installation, fixing and wiring outdoor panel board with Volt meter, Ammeter L & T starter, DOL contractor, over load relay, single phose preventor, Dry run pneventor, pilot lamps, re-wirable fuse carrier including complete internal wiring housed in a SS box with MS legs painted with antlcorrosive paint. Provision of the required space for fixing 3 phase electrical energy meter with a scsble locking door and Aerylic windows including providing & fixing 3 nos. fuse cutouts with porcelain base and termination of service mains cables etc., Providing and fixing fuse cut outs 3 nos. and 6mm thick Hyiam sheet for fixing electrical energy motor as per specifications. The entire untill shall be fixed in concrete concrete pedestal with necessary foundation bolts inclusive cost of all materials, labours, tools and plants, taxes, conveyanoes et., all complete as directed by EIC / OIC.

Supplying and fixing 50mm dia Water Flow Meter of approved make and type to existing bore well / motor / water line including all necessary fittings and fixtures such as ball valves, reducers, bushes, flanges, 'Y' filters, etc., all complete as directed by the Engineer-in-Charge