Re-Drilling against defunct Tubewell at Dampal D.T.W. (BN-26) under Purbasthali- II Development Block

Drilling & Installation Drilling of bore hole 55.88 cm dia through any kind of soil by adopting any method of drilling (by Direct or Reverse Circulation Rotary Rig) upto required depth including digging trenches and pits etc. all complete. (I) Upto 30M below GL

(ii) Beyond 30M upto 60M

(iii) Beyond 60M upto 90M

(iv) Beyond 90M upto 120M

Labour charges for lowering of M.S. E.R.W. pipes, strainers, blank pipe etc. and fitting, fixing and jointing of tubewell assembly at sites by welding etc. as per direction of the Engineer-in-Charge. 200 mm NB Blank pipe,Slotted pipe & Bottom Plug

350 mm NB Housing Pipe

Supplying fitting fixing including fabrication with required materials (IS: 2800 Part-I with latest amendments) as directed by the Engineer-in-Charge and lowering in position etc. (I) (i) 10 mm. thick (350 mm x 200 mm) NB M.S. Reducer of approved quality including socket.

(ii) M.S. Centre guide (consisting of 3 nos., 6 mm thick, 50 mm wide, not less than 600 mm long and 125 mm rise of arch) of approved quality

(iii) MS Top cap of suitable size (8mm thick) and approved quality for covering top of housing pipe of 350mm NB (Top cover will be tack welded with housing pipe at 4 points 90 Degree apart)

(iv)100 mm width x 12 mm thick Sockets / Rings made from MS Flats by rolling process and double butt welding for joining 350 mm NB Housing Pipe.

(v) 75 mm width x 10 mm thick Sockets / Rings made form MS Flats by rolling process and double butt welding for ioining_200 mm NB Pipe.

Supply of gravel for use as pack in tube well of 2 mm to 4 mm. size (as per IS: 4097) and gravel treatment of tubewell including screening, washing, cleaning etc. of the gravels at the site, all complete as per direction of the Engineer-in- Charge. (i) For sites within 4 km from all weather metal road

Development of tubewell in accordance with IS: 2800 (part 1j and IS: 11189 to establish maximum rate of usable water yield without sand content beyond permissible limit with required capacity of compressor ( about 200 psi, 375 cfm Aircompressor, actual psi and cfm depend on tube well head conditions), running the compressor for required time till well is fully developed and followed by development of tube well by over pumping with 15% to 25% higher discharge than expected discharge of tube well capacity and Vertical Trubine pump and carrying out step-drawdown test, yield test, verticality test etc. as per prescribed method all complete including hire & labour charges of compressor, tools & accessories etc. all as per requirement and direction of Engineer -In - Charge. Depth upto 120 mtr

Electrologging of bore hole of different dia tubewell for locating water bearing strata and saline aquifer, if any, after conducting relevant geophysical tests. All test reports, compiled data and raw data sheets should be submitted to the Engineer-in-Charge (Cost is inclusive of all charges for equipments, labour, data aquisition & compilation of data sheets as per direction of the Engineer-incharge)

Making slots of 75 mm X 1.60 mm size with a minimum clearance of 4.70 mm in between two adjacent slots over the outer surface of 200 mm NB ERW pipes (to be issued departmentally) in 10 (ten) rows (each row consisting of 96 slots) per metre length of ERW pipe with a clearance of 25 mm in between two rows as per drawing and specification including smoothening the edges after slotting, cost of transportation of ERW pipes from Departmental Store to Workshop and back to drilling site, loading, unloading and carrying by head-load where necessary both ways, all complete.

Mobilisation charges for transporting upto site including loading, unloading of all plants, machinaries and equipments required for drilling, development and testing of Tubewells and also the cost of construction of temporary roads over field and lor, culverts, repairing existing roads and I or culverts all complete, carrying materials on head load, carts or boats as the case may be :- (i) for sites within 4 km from all weather metal road)

Procurement of materials (Drilling) Supply of M.S.E.R.W. pipe duly ISI certification marked, Both ends plain,Length of pipe should be as IS Specification/requirement of ordering authority IS no 1239 (Part 1)/2004 with latest ammendments including GST and transportation. (a) 350 mm (NB) and 8 mm (nominal wall thickness) 68.57 kg / m ISI marked - IS 4270 with latest ammendments.

(b) 200 mm (NB) and 6.40mm (nominal wall thickness) 33.10 kg / m ISI marked -IS 4270 with latest ammendments.

Renovation of Internal wiring and Re- connection ( Works)- Fixing only Sheet Steel Main Switch (Rewirwable type)/ Change over on Flat Iron Frame/Angle Iron Frame on wall. i) 100/125 Amps On angle iron frame, 415V TP/TPN

Fixing only starters (for motor control) on flat iron frame / angle iron frame on wall. Star-Delta starter for motor (above 5 HP upto 15 HP) On angle iron frame (for higher rating)

Fixing only Voltmeter/Ammeter/Energy meter with screws & other fixing materials incl. making necessary holes and connections

Supply & Fixing EI danger board on wall a)15 cm x 10 cm (6"x4")

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level & restoring surface duly rammed as below: For Soft Soil .By ISI-Medium G.I. Pipe

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages solid GI wire. No. 8 SWG

Supplying, fitting and fixing 415 Volt 15/16 Amps. Sheet steel Main Switch of approved make with fuse on Live Sides & Neutral Linked (L&N) on flat iron frames on wall. [Anchor]

Supplying & Fixing angular batten holder (Anchor) on 75 mm dia PVC round block/ round bakelite on wall

Withdrawal of electro motor submersible pumping set of following capacities from within the tubewell housing pipe of the fOllowing length by using all necessary requisites tools and plants and carefully as per direction of Engineer-in-Charge and stacking the same properly at site within the tubewell premises complete. (a) 100/150/200 cubic metre per hour capacity electro motor pumping set. (ii) Length of pump assembly of any length exceeding 18 metre length.

Installation of submersible electro motor pumping set of following capacities by using necessary requisite, tools and plants by lowering the same within the tubewell housing pipe upto the following depth as per direction by fitting, fixing column pipes and other accessories, fixtures with necessary nuts, bolts and washers and suspending the entire assembly of pump set vertically by fixing the same supported by M.S. clamps over the top of housing pipe, binding the motor cable with each column pipes and drawing cable upto pump controller/starter point including opening out of the top cap of housing pipe of the tubewell and testing of motor both in loading as well as in unloaded condition before and after installation of the same. (The rate is inclusive of hiring charges of tools & plants.) (a)100/150/200 cubic metre per hour capacity electro motor pumping set. (ii) Length of pump assembly of any length exceeding 18 metre length.

Transportation of Sebmerssible Electro Motor Pumping set along with all other accessories and equipments including bend, sluice valve column pipes etc. from sub-Divisional store to work site including loading at the lifting lifting point and unloading at the delivary point including necessary head load upto 100 metre at both ends. (A) Carriage by road a) Distance upto 50Km. ii) 100 cu mtr per hour capacity electro motor pumping set

Wiring in 1.1 KV grade single core standard 'FR' PVC insulated and unsheathed copper wire (Approved make) of following sizes in suitable size PVC casing-capping (Precision make) including. necy. PVC clips, fittings etc. [Meter loop to Main switch & Main switch to switch board] a.) 2 X 22/0.3 (1.5 Sq.mm.)

Distribution wiring in 1.1 KV grade 2 X 22 / 0.3 (1.5 Sq.mm.) single core standard 'FR' PVC insulated and unsheathed copper wire (Approved make) in suitable size PVC casing-capping (Precision make) with 1 X 22/0.3 (1.5 Sq.mm.) single core standard 'FR' PVC insulated and unsheathed copper wire for ECC, incl. necy. PVC clips, fittings etc. to light/fan/call bell point with piano key type switch (Anchor make) fixed on sheet steel fabricated switch board with Perspex/bakelite top cover on wall incl. necy. connections and making earthing attachment and mending good damages to building works. [PVC casing-capping and Switch board both on surface] a). Avarage Run 5.00 Mtr.

Supplying and fitting fixing of (350mm x 250mm x 25mm size) wooden plank on wall for fitting fixing of electrial equipments as necessary on the plank.

Distribution wiring in 1.1 KV grade 2 X 22 / 0.3 (1.5 Sq.mm.) single core standard 'FR' PVC insulated and unsheathed copper wire (Approved make) in suitable size PVC casing-capping (Precision make) with 1 X 22/0.3 (1.5 Sq.mm.) single core standard 'FR' PVC insulated and unsheathed copper wire for ECC, incl. necy. PVC clips, fittings etc. to 5 A 3 pin flush type plug socket with piano key type switch (Anchor make) fixed on sheet steel fabricated CRC MS switch board with Perspex/bakelite (Wall maching colour) top cover of 3mm. thk. flushed in wall by housing the board after cutting brick wall incl. necy. connections and making earthing attachment painting and mending good damages to building works. [PVC casing-capping and Plug Box both on surface] (a) On Board

Supplying, fitting & fixing of M.S. plate of size 40 cm x 40 cm, thickness 6 mm,consisting of two equal halves (40cm x 20cm), placed over Housing Pipe of HDTW/ MDTW to rest the supporting clamps, with semi circular hole of 170 mm dia. at centre including locking arrangement between the two halves on both sides, including fitting, fixing of 40 mm dia. G.!. bend by making a hole on plate for passing submersible cable smoothly and complete in all respect..

Supplying, fitting and fixing M.S. clamps for door and window frame made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction. (Cost of concrete will be paid separately), 40mm X 6mm, 125mm Length

Charge for joining water proof cable with soldering water proof insulation and proper joining compound including supplying the same and motor related materials complete(only cable will be supplied departmentally)

Supply of Chlorinated Polyvinyl Chloride (CPVC) pipes & fittings conforming to IS-15778: 2007 40 mm pvc pipes.

Cutting trench through passage upto 40 mm wide includingrefilling,watering & ramming

Welding in MS structural work with gas or electric a) continuous weld

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or tacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of tranches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1500 mm.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. For foundation of brick piller.

Ordinary Cement Concrete (mix.1:2:4) with graded stone chips (20 mm. nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. For foundation of brick pillar.

Brickwork in cement mortar (1:6) with first class bricks including racking out joints, scaffolding and other incidental works etc. complete. For foundation & plinth.

Plaster (to wall,floor, celling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints or roughening of concrete surface including throating, nosing and drip cource as necessary at ground floor. With (1:6) cement morter 15 mm thick..

Neat cement punning about 1.5 mm. thick in wall dado, floor, drain, door and window sill etc. complete. Outside, inside, plinth portion, appron and drain.

Joining water proof cable with the leads of the motor including soldering with requisite water proof insulation and proper joining compoundNulcanized rubber tape so that proper water proof insulation is assured.

Labour charges for fitting, fixing and laying where necessary of following MS/GI/IRW pipe and accessories including transportation of the same cutting threading, jointing and making leak proof threaded and flange joint at site by using socked/rubber insertion, nut bolt etc. maintaining proper alignment and level all complete as per direction of EIC 150 mm dia MS/GI/ERW pipe

Fitting fixing of 150 mm dia C.I sluice valve

150 mm. dia. ERW pipe 90° return bend, both end flanged including supplying and fixing wooden block

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

The tubewells are generally installed in cultivable field located at remote places, away from town. So it involves extra carriage by cart / boat / head load besides initial transport of construction materials by truck. Therefore for Water Transmission Arrangement of Tubewells following extra rate should be allowed over the scheduled rates. i).D.T.W.. —3%.

Procurement (delivery pipe,column pipe etc.etc.) Galv. M S Column pipe, ISI marked -1239, Galv- IS:4736 a) 150 mm dia one end screwed & other end non-std flange 3 mt long (bottom)

b) 150 mm dia both end with non-std flange 3 m long (middle)

c) 150 mm dia one end std & other end non std flange (top) 3m long.

GI. Holding Clamp- IS 1239, Galv- IS 4736 a) 150 mm dia

3C Flat water proof CU.cables lSI marked-IS 694, 3C X 6.0 Sq.mm

Electrical Materials, IS 60947, Switch Fuse Unit, lSI marked, IS 60947, 100A Switch Fuse Unit TPN

MOTOR CONTROLLER, IS 60947, i) 3 Φ electromagnetic Star-Delta starters for 25 HP motor.

90 degree G.I Bend (both end flanged)-ISImarked-IS 1239,Galv- IS 4736, a) 150mm dia.

Repairing & Renovation of Pump house Works: Stripping off worn out plaster and raking out joints of walls, celingsetc. upto any height and in any floor including removing rubbish within a lead of 75 m as directed.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) In ground floor including roof.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement (i) 25 mm. thick

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety.

Brick work with 1st class bricks in cement mortar (1:6) including racking out joints scafolding and other incidental works etc complete a ) In Superstructure, ground floor

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints or roughening of concrete surface including throating, nosing and drip course as necessary at ground floor. with (1:6) cement mortar. (c) 15 mm thick plaster.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints or roughening of concrete surface including throating, nosing and drip course as necessary at ground floor. with (1:4) cement mortar. 10 mm thick plaster.

Neat cement punning about 1.5 mm. thick in wall dado, floor, drain, door and window sill etc. complete. Outside, inside, plinth portion, appron and drain.

White washing including cleaning and smoothening surface thoroughly. All floors : (a) Three coats

Applying decorative cement based paint of approved quality after preparing the surface including scraping the same thoroughly (plastered or concrete surface) as per manufacturer's specification. In Ground floor: (i) Two coats.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : (a) On timber or plastered surface : With other than hi-gloss of approved quality (i) Two coats (with any shade except white)

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof.II) For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m

N.B.:- The tubewells are generally installed in cultivable field located at remote places, away from town. So it involves extra carriage by cart / boat / head load besides initial transport of construction materials by truck. Therefore for Water Transmission Arrangement of Tubewells following extra rate should be allowed over the scheduled rates, save and except for earth works. i) H.D.T.W. / M.D.T.W. - 3% excluding sl.no 1,2,3

Repairing & Renovation of RCC pipe line (Works)-Earth work in excavation of field trenches as per design section and alignment for laying of pipe lines (PVC, RCC, ACP etc.) upto a depth of 1500 mm all sorts of soils including removing, spreading or stacking extra earth as directed. The item includes necessary trimming of sides trenches, levelling, dressing and ramming the bottom as required complete

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Brick work with 1st class bricks in cement mortar (1:6)(a) In foundation and plinth

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (a) In ground floor including roof.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a) Pakur Variety.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed andraking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Groundfloor).[Excluding cost of chipping over concrete surface (i) With 1:6 cement mortar (a) 20 mm thick plaster

(b) 15 mm thick plaster

Neat cement punning about 1.5mm thick

Earth work in filling in trenches after laying pipe lines (PVC, RCC, ACP etc.) with good earth obtained from excavation of field trenches in layers not exceeding 225 mm, including watering and ramming etc. layer by layer complete. (Payment will be made on the basis of measurement of finished .quantity of work.)

Repairing of leakages in collar joints of R.C.C. Pipe line by opening the joints fully by chipping out the old morter, cleaning the pipe recesses and collar properly, and thereafter positioning and levelling the pipes and collar, filling the annual spaces of joints with jute braiding dipped in cement slurry and grouting with (1:2) cement morter mixed with approved quality water proofing compound (5% by wt. of cement) and curing all complete as per direction of Engineer-in-Charge. a) 225 mm dia RCC pipe

Taking out the damaged R.C.C. Pipe and two collars by dismantling two joints carefully, carrying and stacking the same near the pump house, carrying new pipe and collars from the field stack, lowering the same within the trench, properly positioning and levelling on bricks laid flat, between collar and the pipe joints with jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved quality water proofing compound (5% by weight of cement) and curing all complete as per direction of Engineer-inCharge. a) 225mm dia RCC pipe

Taking out the damaged R.C.C. Tee and 3 nos. collars by dismantling three joints carefully, carrying and stacking the same near the pump house, carrying new R.C.C. Tee and collars from the field stack, lowering the same within the trench, properly levelling and positioning on bricks laid flat, filling the annular space betwen pipe fitting and collars with jute braiding dipped in cement slurry, grouting with cement and sand mortar (1:2) mixed with approved water proofing compound (5% by weight of cement) and curing etc. complete as per direction of Engineer-in-Charge. a) 225mm x225mm x 225mm RCC Tee

Taking out the condemmed 150 mm dia. N.T.P.F.T.P'/ Alfa-Alfa valve from 150 mm dia. M.S./G.I. pipe of existing spout chamber by careful chiseling with least disburbance to the existing system of structure upto required limit and fitting, fixing of new one with 150 mm dia. M.S./G.I. pipe in proper position of the spout chamber using havoc zinc jute so as to make the joint leak proof including mending good all damages and returning back the condemned materials at store as per direction of Engineer-in-Charge.

Removing of Chokage due to sludge, mud, sand or any other forign materials deposition from the underground 450/300/225/150 mm dia. R.C.C. Pipe Line with split bamboo, wire brush, coir rope etc. along with suitable cleaning agent as necessary as per direction of E.I.C. (This item includes cost of earth cutting & back filling of trenches and required materials for cleaning but excluding the cost for taking out 1 full length of RCC Pipe by dismantling of 2 nos. of Collars & re-fitting the RCC pipe with new two nos. collar). i) For 225 mm dia. RCC Pipe

The tubewells are generally installed in cultivable field located at remote places, away from town. So it involves extra carriage by cart / boat / head load besides initial transport of construction materials by truck. Therefore for Water Transmission Arrangement of Tubewells following extra rate should be allowed over the scheduled rates, save and except for item no. 1,5,9 i).D.T.W.. —3%.