SPL REP/ REPLACEMENT OF BOREWELL AT PH NO. 02 AT AF STN GORAKHPUR

Amount

M&L Boring 200 mm dia size pilot bore in any kind of soil/starta including hard stone /boulder by means of forward rotary/ reverse rotary/ ODEX method upto upto 200 m depth each below ground level, complete all as specified and directed. Note: 1. This shall be done for one number of construction of borewels. 2. Trial borewell and necessary fuel, lubricant, T&P and chemical etc required for boring work shall deemed included in quoted rates.

M&L Reaming of the bore in Sl No 1 here in before for a total tube well size of 675 mm/525 mm as specified below existing ground level by forward rotary/ reverse rotary/ ODEX method, complete all as specified and directed .(a) upto 40 m depth below ground level of reaming 675mm size, complete all as specified and directed.

(b) All as above but for exceeding 40 meters but not exceeding 110 meters depth of reaming 525 mm bore, complete all as specified and directed.

Supplying and assembling including jointing lowering and fixing in position plain mild steel sheet ERW casing pipe 350 mm bore of thickness 8 mm conforming to IS 4270 -1992 pipe jointed and welded with coupler rings welding shall be done through out circumference of the pipe and coupler rings both side, complete all as specified and directed.(for 01 Nos borewel) Make of Pipe: JINDAL/ TATA/ SAIL. Note :- Length of pipe shall not be less than 2.4m except where pipe length required is less than 2.4 meters.

All as specified and described here in before but assembling, jointing plain mild steel sheet ERW casing pipe 200 mm bore of thickness 8mm conforming to IS 4270 -1992 complete and lowering and fixing in position of reducing socket 350mm x 200mm bore (Reducing socket shall be measured and paid seperately under respective items for 1 borewels. (a) Depth exceeding 40 mtr but n. exc 110 m, complete all as specified and directed.

Supply lowering and fixing in position 200 mm dia casing pipe, ERW, MS Stainer ( Slotted pipe) wall thickness 8mm conforming to IS : 8110 including joints welded with MS sleeves or MS socket with 25x6mm MS flat stiffner for connecting to MS pipe, complete all as specified and directed. (MakeM/s TATA/Jindal as approved by GE)

S & F mild steel reducing socket 350mm x 200 mm including welding MS strip 40 x6 mm (02 Nos) on each joint extended 75mm on each side, complete all as specified and directed. (The wall thickness of the Socket side shall not be less than 8mm).

S & F wrought iron bail plug 200 mm , 10 mm thickness made up of MS sheet bore, complete all as specified and directed.

S & F well cap for 350 mm size and 8 mm thick MS sheet threaded and similar to housing pipe, complete all as specified and directed.

S&F MS centering guide made out of 40 x6 mm MS Flat Iron, complete all as specified and directed.

Supplying and fixing MS housing clamp made out of MS flat 100mm x 12 mm thick of suitable length with suitable size of nuts and bolts suitable for 250mm bore housing pipe including one coat of zinc chrome primer and one coat of bituminous paint(For drinkink purpose), complete all as specified and directed.

M & L for packing pea gravel of size 2 to 4mm to be designed by the contractor of natural shape brought direct from river bed and packing around the casing pipe of mild steel to entire depth upto ground level, complete all as specified and directed.

Development of borewell by means of air compressor not less than 400 PSI compressure over pumping until sand free water obtained and testing the yeild for duration as under, complete all as specified and directed. Note: Contractor will provide own DG Set/ prime mover to run compressore and over pumping at soite. (a) For first 72 hrs by using air compressor. Note: All type of T&P and its transportation required for development of bore well shall be arranged by the contractor anf cost of these items shall be deemed included in quoted rates.

Development of borewell by means of air compressor not less than 400 PSI compressure over pumping until sand free water obtained and testing the yeild for duration as under, complete all as specified and directed. Note: Contractor will provide own DG Set/ prime mover to run compressore and over pumping at site. (a) For subsequent 48 Hrs by over pumping method by using air compressor complete all as specified and directed. Note: All type of T&P and its transportation required for development of bore well shall be arranged by the contractor anf cost of these items shall be deemed included in quoted rates.

M&L Yield testing of tube well all as specified and directed to determine the safe pumping yield of tube well, complete all as specified and directed.

M&L electric logging in pilot bore for precise delination of granular Zone as also the quality of ground water including report interpretation,, complete all as specified and directed. Note : Electric logging shall be carried out by approved Govt agency.

Supply lowering jointing and testing MS black column pipe 3 mtr long heavy duty 150 mm bore wall thickness 5.4 mm both end flanged with heavy duty conforming to IS: 1239 MS flanged not less than 16 mm screwed and welded in side and out side. The flange end making surface shall be made smooth including welding of 04 strip of 5.04 mm thick 25mm wide and 50 mm long covering pipe and flanged, both end flanged having 08 Nos predrilled hole not less then 16 mm including rubber gasket, nut bolts and washer, flange should be cut for passing the submersible cable, pipe should be duly painted with anti corrosive paint complete all as specified and directed. Make : JINDAL/TATA SAIL/PRAKASH SURYA

M & L for tail piece made out of MS pipe of size 100 mm X 150 mm, 01 mtr long of wall thick ness 5.4 mm both end flanged with suitable MS flanged with 08 Nos predrilled holes of size 16 mm and welded with 04 Nos strip made out of MS plate of size 5.4 mm thick 25 mm wide and 50 mm long and flanged end pipe should be duly painted out side only, complete all as specified and directed.

Supply and lowering submersible pump set 55 m nominal head capacity 67qm/hrs electric driven coupled with 3 phase electric motor not less than 15 HP with all accessories including GI Flanged, reducer, Nipple, nut bolt washer and rubber insertion sheet gasket for jointing including MS clamp with nut bolt 2 No complete along with, complete all as specified and directed. Make: KSB/ Calama/Crompton Greaves. (Column pipe and accessories with fixing material will be measured and paid separately).

Supply jointing in repairs including jointing material commissioning and testing of submersible cable of size 10 sq mm, 3 core flat cable 1100 Volts Grade with copper conductor PVC sheathed conforming to IS-694:1977 complete with electric connection, complete all as specified and directed.

M & L in repairs Earthing complete with galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick, buried directly in ground vertically earth pit not less than 2.25 mtr deep below the ground level with top to edge of the plate n. less than 1.5 mtr below ground level connected to galvanized earth strip 32 x 6 mm by means of blots, nuts, check nut and washer of galvanized steel, including necessary earth work and excavation in any strata and PCC 1:3:6 type C2 chamber and RCC cover and light grade GI pipe 20 mm dia pipe of required length for protection of GI wire and water funnel and wire mesh with GI pipe medium grade 50 mm dia etc complete all as per electrical plate No 3 of SSR part - I and all directed including connections and testing on completion.

Supply, install in repairs , testing and commissioning of feeder piller box of size 800X 800 mm totally enclosed, dust and vermin proof, openable from both front and rear side, made out of 3.15 mm thick CRCA sheet including 63 Amps 4 Nos Aluminium Bus bar complete and built upon 50x50x6mm angle iron frame work, having front and rear hinged doors, lifting lugs (2 Nos), provision for earth strip connection, bottom detachable gland plates, connecting using suitable size of zinc plated and passivated nut, bolts , springs and washers. The cabinet and all members should be chemically treated with anti-corrosive chemicals and apply spray paint with two coats of synethetic enamel paint over a coat of red oxide primer. The panel should be suitable for 415 volts, 50Hz , 3 phase 4 wire system and shall be provisioned for (i) MCB TPN 4 pole of capacity 40 amps C-curve as incomer (ii) fully automatic Star-Delta motor starter, type MN with SPP ( Single Phase Protection) feature motor rating 15 HP, 11.25 KW,AC 3 Phase,415 Volt, 50 Hz maximum relay range 9.0-15.0 Amp. Make: L& T/Siemens/BCH (iii) MCB SPN 6-32 AMPS with LED Indicating lamps for main supply indicating `R, Y, B set, Three phase Voltmeter and Three phase ammeter d) Low level water guard – 01 set incl necessary grouting/ foundation all as required at site, complete all as specified and directed.

Testing of water for chemical, Iron content, Arsenic Content, bacteria and physical test and potable report from Govt Lab to be entire satisfaction of GE, complete all as specified and directed.

Supply and laying DI pipes K-9 of 150 mm dia with flanged joint of ISI marked, complete all as specified and directed. Make- Electro steel casting Ltd,Jindal saw Ltd."

M & L for D I fitting for flanged pipe such bend (any type radius and angle) taper any type, (straight bends, increasing, decreasing or double socket etc.) for 150 mm bore DI pipe, complete all as specified and directed.

M & L for fabrication of M S nipple 0.6 m long100 mm dia threaded both end externally flanged 1 end with heavy duty flanged cold drilled 4 holes and provision of grove for cable entrance system, complete all as specified and directed.

M & L for steel rope 8 mm with required size clamp nut and bolt for hanging sumbersible pump and motor, complete all as specified and directed.

S&F in repairs Non return valve CI flanged suitable for 150 mm bore including jointing material, nut bolts and washer etc including tking out of old u/s non return valve , complete all as specified and directed. Make- Kirloskar/Leader/Venus/Upadhaya

Supply and fixing sluice valve 150 mm bore PN-1.6 with gun metal spindle CI hand wheel with flanged ends complete with jointing materials, nut bolts and washers, complete all as specified and directed. Make Upadhaya/Kirloskar

M&L including fixing Set of pea gravel feed pipe made out of 80 mm nominal bore G I pipe medium grade each of suitable length and provided with G I socket and plug for feeding pre gravel, complete all as specified and directed.

Supply and laying Bricks; common burnt clay building bricks, sub-class ‘B’ designation 75 complete all as specified and directed.

M & L for sand cushioning in trenches under & over the cables with screened river washed sand and spreading and leveling properly compaction, complete all as specified and directed.

Supply and lay in repairs cable XLPE insulated screened Meter PVC bedded, galvaized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts graded with stranded aluminium conductor of size 35 sqmm 3 .5 core, complete all as specified and directed.

Material and labour for 80 mm dia galvanized iron tube light grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc, complete all as specified and directed including clamps, nut, bolt and washers (FOR PH N0 02.), complete all as specified and directed.

Excavation in trenches not exc 1.5 M wide and not exc 1.5 M depth for soft / loose soil and getting out of pipe line, complete all as specified and directed.

Returning filling including sreading levelling watering and well ramming in layers not exc 25 cm after repair/replacement of pipe line in trenches in soft loose soil, complete all as specified and directed.

Removal of surplus soil obtained from excavation to a distance n. exc. 50mtr and depositing where directed at a level n.exc. 1.5mtr above starting point, complete all as specified and directed.

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

Material and labour for cement concrete 1:3:6 type C-2 (40mm grade aggregate) 75mm thick as in paving/foot path, finished concrete surfaces even and smooth without extra cement and making impression of expended metal whilst the concrete is green, complete all as specified and as directed .

Supply and Fix Water pressure gauge 100mm dia, 0-21 Kgs rating with ball valve, complete all as specified and directed.

Supply and fixing rolled mild steel section of ISMB 200 and necessery fabrication to erect desired structure complete, complete all as specified and directed.

PCC 1:2:4 type BI using 20mm graded crushed stone aggregate in PCC block including embedding housing clamp and necessary form work and earth work, complete all as specified and directed.

Brickwork with sub-class ‘B’ bricks, straight or curved on plan exc 6m mean radius built in and cement mortar 1:4, complete all as specified and directed.

Cement plaster (1:4) rendering 15 mm thick on fair faces of brick work or concrete surfaces, complete all as specified and directed.

M&L White washing on wall with one coat on undecorated surface and two subsequent coats on it, complete all as specified and directed.

Material & Labour for hard core of broken bricks gauge exc. 63 mm but not exc.100 mm, deposited spread and leveled in layers 100 mm thick and well rammed complete all as specified & as directed .

Material & Labour for PCC sanitary sealing of 75 mm thick (1:2:4) type B1 using 20 mm graded aggregate complete all as specified & as directed .

M&L for collecting strata sample box with glass cover 3mm thick and having minimum internal diamension 1m x15. m x 150mm made out of Ist class hardwood plank 20mm thick with hingesstaple including painting with two coat of synthetic enamel paint over a coat of pink primer complete with soil sample partition cbout 55 Nos compartment with wooden plamks 20mm thick. The Nos of partition mar vary with type of soil strata met and overall length of the bore and can be increased beyond 1mx 1.5m and also provide photo pramed strata chart of size 450 x600 mm madeout of wooden frame with 3mm glass top complete all as specified and directed at site.

M/S GUPTA TRADERS

M/S SHAILZA TRADERS

M/S NATIONAL ELECTRIC WORKS

M/S PRATAP ENTERPRISES

M/s Rajmani Engineers