SPL REPAIR / REPLACEMENT OF 02 X BOREWELL UNDER GE (S) TEZPUR

Amount

Drilling and development of bore of size 200 mm dia upto 200 mtr depth by direct rotary mechanical system for injection well in any kind of soil strata including hard stone/boulders and submitting the strata detail both graphically recorded as well as strata results complete all as specified and directed. Note: The quoted rate shall be deemed to be inclusive of the cost of drilling, pumps and fittings etc used in the process of drilling shall be provided by the contractor under his own arrangement for execution of the work.

Reaming of bore well from 200 mm dia to 525 mm dia hole in three steps from 200 mm to 350 mm, 350 mm to 450 mm and 450 mm to 525 mm dia bore siutable for lowering ERW Mild steel casing pipes and gravel packing for the required length (i.e 50 mtr depth) below the ground level complete all as specified and directed.

All as per item no 2 above but exceeding 50 mtr and upto 150 mtr depth complete all as specified and directed.

Supply, assembling, lowering and fixing in position 300 mm nominal (12") bore ERW MS housing pipe, ISI marked, of 8 mm wall thickness, screwed and socketed in random length upto 6 mtr including fitting of centralizer at regular interval into bore hole to a depth upto 50 mtr from ground level, as per IS 3589, painted both inside and outside with black bituminous paint suitable for drinking water purpose including necessary fittings & fixtures by jointing electric welding complete all as specified and directed.

Supply, assembling, lowering and fixing in position 200 mm nominal (8") bore ERW MS housing pipe, ISI marked, of minimum 6.0 mm wall thickness, screwed and socketed in random length upto 6 mtr including fitting of centralizer at regular interval into bore hole to a depth exceeding 50 mtr and upto 150 mtr from ground level, as per IS 3589, painted both inside and outside with black bituminous paint suitable for drinking water purpose including necessary fittings & fixtures by jointing electric welding complete all as specified and directed.

Supply, assembling, lowering and fixing in position low carbon galvanized (LCG) steel strainer pipe 200 mm nominal bore of wall thickness 7.00 mm cage type wire wound screen ‘V’ shaped profile in suitable length having slots of size 0.75 mm width including necessary end coupling, welding as required and including special sockets for connecting to MS pipe complete all as specified and directed.

Supply and fixing mild steel reducer suitable for (300 x 200 mm ) bore casing pipe, 10 mm thick, fitted to casing pipe as per IS 2800 by means of electric welding complete all as specified and directed.

Material & labour for carrying out electro logging test upto complete drilling depth of tube well for fixing water strata and submitting of Report including its interpretation by a qualified Hydrologist/ground water expert complete all as specified and directed.

S&F mild steel bail plug assembly suitable for 200 mm bore casing pipe internal threaded with strong iron hook, screwed and welded to casing pipe as per IS 2800 complete all as specified and directed.

Supply, filling and packing washed pea gravels of size 2 mm to 4.6 mm all around casing pipe and slotted pipe complete all as specified and directed.

Development of tube well with air compressor of capacity 250 psi 11000 cum till sand/mud free water of potable quality is obtained and to achieve minimum discharging capacity of 25000 PH complete all as specified and directed. (Note:- Compressor with accessories and fuel shall be arranged by the contractor and same is included in the unit quoted rate).

Yield testing of the tube well by suitable pump and motor for minimum discharge capacity of 25000 PH for at least continuous 8 hour uniterrupted of run per day for three continuous days complete all as specified and directed. (Note: 'V notch and other equipment including pump set shall be arranged by the contractor and cost of same is included in the unit rate quoted).

Supply and fixing well cap suitable for 300 mm internal dia housing pipe Each made out of 8 mm thick steel plate duly welded with locking arrengement with holes for passing upto 16 Sqmm flat submersible cable and 100 mm dia column pipe complete all as specified and directed . Note :- After completion of the work the cap will be used to keep the tube well closed [until the pump set is installed)

Supply, commisioning,testing and lowering of Submersible pump set, electric driven 415 V, 50 HZ, 3 PH suitable for 200/300 mm dia bore well (Casing pipe size 200/300 mm) of capacity 20 HP (15 KW), Head 27 to 88 meter, at discharge range 500 to 1250 LPM suitable for pipe of size 100 mm complete all as specified and directed.

Supply and laying flat PVC insulated PVC sheathed copper couductor stranded submersible cable cores 1100 volt grade 10 Sqmm 3 core including jointing material and connection work complete all as specified and directed.

S & F round strand steel wire rope dia 12 mm and connected clamp nut bolts fixed complete all as specified and directed.

Supply lowering and fixing MS column pipe 100 mm bore, heavy grade, confirming to IS, 3 meter long pipe both end flanged, threading, welding and drilling of holes, cutting of ducts of size 10 mm x 20 mm 2 No. in each flange for fixing submersible cable, including rubber gasket of suitable size, nuts, bolts, washer etc including painted internally and externally with two coat of non corrosive non toxic bituminous paint including making all type of connections as required complete all as specified and directed.

Supply and fixing 100 MM dia cast iron Non Return Sluice Valve heavy duty with flanged ends, brass spindle any pattern with Brass spindle with GM Check Nut confirming to IS including jointing and jointing material, nuts, bolts, and washer complete all as specified and directed.

Supply and fixing double flanged 2 ft long CI ventury of size 100 mm dia incl one No ferrule at no pressure zone complete in existing line complete all as specified and directed.

M&L DI pipe of 100 mm bore with spigot and socket end rubber gas cate joint(titon) centrifugally cast class k-7 conforming to IS 8329-2000 laid in trenches/ on surface/ over masonry pillar and connection to existing line complete all as specified directed. Cost of joint included in the qoted rate.

M&L DI bend any type, radius and angles, tappers and type (straight, bend, increasing, decreasing, or double socket etc. Tee pipes single branch Y junction, double branch cross (all socket, socket and Spigot or flanged ends) collors, caps and plugs for the Pipes socket and Spigot. All socket and flanged upto bore of 150 mm complete all as specified and diected

Supply and fixing sluice valve of size 100 mm (conforming to IS-14846-2000) long type CI body, gland thrust plate, hand wheel of grey cast iron, spindle of high tensile brass, nut body seal ring and wedge facing ring head, bronze bolt nut of high carbon steel, gasket of compressed fiber gland packing of jute having flanged & drilled type nominal pressure rating , PN 1.6 including jointing flanged joint with rubber fibre jointing ring bolt nut & washer complete all as specified and directed.

Material and Labour for constrution of valves pit chamber of size (900 mm x 900 mm x 900 mm, internal ) using PCC (1:4:8) 40 mm graded stone aggregate for foundation 15 cm thick , 23 cm thick wall in CM (1:4) 10 mm thick rendering all around the brick work with 1:6 cement motar PCC (1:2:4) type B1 coping with 20 mm graded agregate for grouting MS top sheet cover with locking arrangement including 50 mm pad lock with double key arrangement MS frame out of 40 x 40x 5 mm thick angle iron including paintaing of steel surface with two coats of synthetic enamel paint over a coat of red oxide primer finishing coat including necessary excavation in any type of soil, returing filling in and removal of surplus soil to adistance not exceeding 50 mtrs including dismantalling of old broken valve pit chamber complete all as specified and directed

Supply, laying and testing of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 Volts grade, cross sectional area 50 Sqmm 3.5 core complete all as specified and directed

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cables, pipes etc. and getting out including trimming the sides and forming bottom surfaces to required levels in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, and well ramming in layer not exceeding 25 cm thick in soft/loose soil complete all as specified and directed.

Removing excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Material and labour for river sand, washed and screened dry for cushioning to under ground cable in trenches below and around under ground cable including spreading and levelling complete all as specified and directed . Note :- Punned thickness 18 cm shall only be considered for payment

Supply and lay in trenches bricks, for cable protection complete all as specified and directed.

S&F Pipes galvanized, 50 mm bore “light grade”, supplied and laid complete including necessary fittings such as tees, bends, elbows, sockets, reducers etc as per site requirement complete all as specified and directed.

Supply, commissioning and testing cubical housing cabinet type, weather proof, outdoor type CPRI approved, factory made LT Panel boad, totally enclosed, dust and vermin proof openable from front & back side, canopy headed, connected with suitable size MS angle iron frame, Overall dimension suitable to operate submersible pump, fabricated with CRCA sheet 3.15mm thick sheet incluing IP - 55 protection, installed on concrete base made of PCC (1:3:6) type C1 using 20mm graded aggregate,including self locking arragement. New Panel board shall comprise of :- (a) Copper Busbar rating- 300 Amps- 04 Nos (b) Indication lamp for RYB - 01 Set (c) MCCB-200 Amp, 4 pole, 25 KA Adjustable thermal and magnetic setting, 415 V, 50 Hz AC-01 No(incoming) (d) MCCB-125 Amp, 4 pole, 16 KA Adjustable thermal and magnetic setting, 415 V, 50 Hz AC - 01 No (Outgoing for pump) (e) MCCB-63 Amp, 4 pole, 10KA, Adjustable thermal and magnetic setting, 415 V, 50 Hz AC-02 Nos (f) MCB-32 Amp, SPN, C curve 10KA, 220 V, 50 Hz AC-03 Nos (g) Fully Automatic Star delta Starter Type MN Motor rating AC-3,Duty 415v, 50 Hz 3 Phase to 30 HP,Relay range of 22 - 32A.- 02 Nos (h) ON load Change over switch 200 Amps 4 pole - 01 Nos (j) DOL stater 3 HP, 3 phase - 02 Nos (k) S&F digital ampere meter 3 1/2 display incl CT having CTR 200/5-01 Nos (l) S & F digital voltmeter 0-500 V = 01 Nos

Materials and Labour for earthing with galvanised earth plate electrode 600 x 600 x 6 mm thick burried directly in ground (earth pit not less rhan 2.25 m deep below normal ground level) with top edge of plate not less than 1.5 meter below normal ground level, the earth plate surrounded by alternative layer of charcoal dust and salt with thickness of 150 mm to a packed thickness of 150 mm on all sides with and including necessary excavation earth work returing filling in and removal of surplus soil upto 50 mtr including galvanised iron Strip 25x4 mm bolted and reverted to earth plate at one end and connected to continuous GI strip encased in and including 40 mm dia GI medium grade protection pipe, 20 mm dia medium grade watering pipe with all fittings from top edge of earth plate upto 2400 mm above ground level fixed and including 25x 3 mm GI clamp bolts nuts and washer, funnel, wiremesh, PCC (1:3:6) type C1 earthing pit, 75 mm thick RCC cover slab reinforced with 8 mm dia TMT bar 100 c/c both ways complete all as specified and as directed including taking out old unserviceable earthing complete. Note :- (i) If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department. (ii) Testing to be carried out by the contractor, entered in the eath testing register, prepared and to be maintained by the contractor & submited to department. (iii) T&P and testing instrument(Earth tester) to be provided by the contractor at own cost. (iv) Quoted rate shall be deemed to include the cost of GI Strip upto a distance of 7.5 metres from the earth plate. Strip required beyond the length shall be measured and paid separately

M & L for RCC columns two nos having size of 300x 300 mm below GL 1.5 Each mtr depth and 3 mtr height above GL of M 25 grade having ISMB 200 of length 2.5 mtr placed at the top of the columns for lifting and lowering of submersible pump and MS column pipes complete all as specified and directed.

NOTES :- 1. For the items for which specifications not mentioned any where in the tender, the IRC specifications shall be followed. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule "A" notes for details.

PARBIN SIDDIKI (BID ID -3435308)

PURBANCHAL BUILDERS (BID ID -3437749)

M/S SEWAK SINGH (BID ID -3437786)

M/S UDIPTA KUMAR BORAH (BID ID -3437447)

M/S L N ENTERPRISE (BID ID -3437677)

D G Corporation (BID ID -3434042)