Re-Drilling Against Tubewell At Boro D.T.W. (Bn-323 ) Under Raina-I Development Block Within Burdwan (A-I) Sub Division Under Burdwan(A-I) Division In The District Of Purba Bardhaman Under Core Sector Programme.

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Re-Drilling Against Tubewell At Boro D.T.W. (Bn-323 ) Under Raina-I Development Block Within Burdwan (A-I) Sub Division Under Burdwan(A-I) Division In The District Of Purba Bardhaman Under Core Sector Programme.- 1 Procurement of materials: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 8mm (nominal wall thickness) 68.57 kg / m ISI marked - IS 4270 with latest ammendments. 2 (b) 200 mm(NB) and 6.40mm (nominal wall thickness) 33.10 kg / m ISI marked -IS 4270 with latest ammendments. 3 Procurement of electrical accessories:-Supply of heavy dutyGI Holding Clamp in two halves made of GI flats for holding column pipe as per IS : 1239 Galv. -IS 4736 150 mm dia 4 Supply and delivery of3 C Flat water proof copper cables suitable for working up to including1100 volts duly ISI marked as per IS no 694 and latest ammendments,3 C X 6 sq mm 5 Supply of 90 degree G.I Bend ( both end flanged ISI marked -IS : 1239 Galv -IS : 4736 150 mm dia 6 Supply and delivery of 20 HP 3 Φ electromagnetic Star-Delta or DOL motor controller with4 pole heavy duty power contractor single phasing preventerand normal protective features MCB, indicators, push buttons, Ammeter & Voltmeter all in IP54 enclosure of min 16swg CR sheet steel 10 tank process powder coat painted and as per technical specification shall generally conform to IS 60947/2000(Pt-4) section-1 7 Supply of Sheet metal enclosed re-wire cable type fuse,Switch Fuse Unit, 415 volts, 3 phase, 50 cycles A.C supplyas per ISI marked confirming to IS: 60947 for 100 AmpsSwitch Fuse Unit TPN 8 Supply of MS Hexagonal head Bolts & Nuts bearing IS-1363(Part-1)/1992 of product grade C with latest amendments for Bolts and IS 1363 (Part-3)/1992 of product grade C with latest amendments for Nuts properties/class for Bolt 4,6 for Nut 4,5 both Bolts & Nuts of various sizes ( M 10 to M24) incuding cost of carriage, loading &unloadingof materials 9 Supply & transport of Rubber Insertion 5 mm Thuick with proper re-inforcement 2 (Two) ply conforming to IS 638/79with latest ammendments duly ISI markedsuitable forraised surface of M.S Flange as per IS 6392/1971 with standarddrilled hole (Table 5) 10 150 mm (NB) MS plate flange as per IS6392/1971 Table- with OB 250mm made from 12 mm thick MS plate providing 8 nos.drilled holes of 16 mm dia and also cable hole including necessary painting 11 Drilling :-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 12 (ii) Beyond 30M upto 60M 13 (iii) Beyond 60M upto 90M 14 (iv) Beyond 90M upto 120M 15 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 16 350 mm NB Housing Pipe 17 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) 10 mm. thick (350 mm x 200 mm) NB M.S. Reducer of approved quality including socket. 18 (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 19 (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) 20 (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. 21 (v) 75 mm width x 10 mm thick Sockets / Rings made form MS Flats by rollingprocess and double butt welding for ioining_200 mm NB Pipe. 22 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 up to 120 KM distance from quary. 23 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 24 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) 25 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. 26 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) 27 Internal wiring & Installation of pump motor set Supplying, fitting and fixing M.S. clampsfor fixing Starter & main switch.made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction.40mm X 6mm, 125mm Length 28 Supplying and Drawing 1.1 KV single core stranded FR PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required.l) 3 x 80/0.4 (10 sqmm) 29 Fixing only Voltmeter/Ammeter/Energy meter with screws & other fixing materials incl. making necessary holes and connections 30 Supply & Fixing EI danger board on wall.A) 15 cm x 10 cm (6x 4) 31 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 as below:By ISI-Medium GI pipe 32 Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 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 33 Connecting the equipments to earth busbar including S & FGI (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. i) No. 8 SWG 34 Supplying and fixing Sheet steel Main Switches on flat iron frame on wall 240V DP with fuse on L&N 15/16 A (Standard) 35 Supply & Fixing angular batten holder (Anchor) on 75mm dia PVC round block / round bakelite on wall/ceiling. 36 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.) 100/150/200 cubic metre per hour capacity electrometer pumping set (ii)Length of pump assembly of any length exceeding 18 metre length. 37 Supplying, fitting & fixing 350 mm x 250 mm x 25 mm size Wooden Plank on wall (for fitting & fixing of electrial equipments as necessary on the plank). 38 Supplying, fitting & fixing of 32 Amps / 63 Amps / 100 Amps, 415V rewireable type porcelain body Fuse top & base complete set conforming to IS: 13947/Part-4/Sec-I/1993 over wooden plank/ board on wall and making necessary connection with the electrical cable as per direction of the i) 100 Amps 39 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. 40 Fixing only Sheet Steel Main Switch (Rewirwable type)/ Change over on Flat Iron Frame/Angle Iron Frame on wall 415V TP/TPN 100/63 Amps On angle iron frame 41 Supplying, fitting & fixing of M.S. plate of size 40 cm x 40 cm, thickness 6 mm, consisting of two equal halves (40cm x 20 cm), 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.I. bend by making a hole on plate for passing submersible cable smoothly and complete in all respect. 42 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.(i) Length of pump assembly not exceeding 18 metre length. 43 Fitting & fixing of Starter (Direct on Line or Star-Delta/Auto-Transformer) with Nuts & Bolts fixed on Angle iron frame on wall and making necessary connection with thelectrical i) Star-Delta / Auto-Transformer Starter (Above 15 HP upto 25 HP) 44 Gas cutting to required size of upto 8 mm thick M.S. plate, Channel, Angle etc. including labour charges, hire charges for all tools and plants. 45 Electric welding charges of upto 8 mm M.S. plate M.S. channels etc. and other member of the barge including hiring charges of all tools and plants. 46 Supply of high density poly- ethylene pipe conforming to IS 4984-1985 , 6 kg / Sq cm ( working pressure) 40 mm dia for laying 3x 6 sqm flat cable of submersible pump motor. 47 Labour for fitting and fixing high density poly- ethylene pipe for under ground work including cutting trnches upto 1.50 mtr and refilling the sameand also fixing all necessary specials, cutting pipes, making threads in allcompleteas per direction of the EIC. 40mm dia 48 Cutting trench through passage upto 40 mm wide including refilling,watering & ramming 49 Labour Charges for fitting, fixing and laying, where necessary of following M.S / G.I. / E.R.W. pipes and accessories (to be supplied departmentally) including transportation of the same cutting, threading, jointing and making leak-proof threaded / flanged joint at site, by using socket / rubber insertion, nuts and bolts etc. maintaining proper alignment and level - all complete - as per direction of Engineer-in-Charge.a) 150 mm. dia. ERW pipe. 50 ii)150 mm dia. E.R.W. pipe 90° bend, both ends flanged. 51 iii)150mm. dia. C.I. Sluice valve. 52 iv) 150 mm. dia. special bend, both ends flanged. 53 Carriage of Departmental materials from the Deparmental Store to the work site and return back the damaged/replaced and unused materials to store including loading & unloading complete at both sides by Tempo /Van Rikshaw/Mini Truck etc. upto 25 Km distance in one way. Pump-Motor Set (this item is applicable only for burnt/damaged Pump-Motor Set) 54 For Delivery pipe, Surge Tank, Bend, Valve etc. 55 Earth work in excavation of foundation trenches or drains, in all sorts of soil (includingmixed 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 trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.a) Depth of excavation not exceeding 1500 mm 56 Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints withlocal sand. 57 Brickwork in cement mortar (1 :6) with first class bricks including racking out joints, scaffolding and other incidental works etc. complete. For foundation & plinth 58 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. 59 Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding /staging wherenecessary (Ground floor). [Excludingcostof chipping over concrete surface.(i)(a)15 mm. thick plaster, with (1:4) cement mortar. 60 Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. NOTE : Cement 0.152 cu.m. per 100 sq.m. 61 Wiring in 1.1 KV grade single core stranded 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.[Main switch to switch board] c.) 2 X 36/0.3 (2.5 Sq.mm.) + 1 X 22/0.3 (1.5 Sq.mm.) 62 Distribution wiring in 1.1 KV grade 2 X 22 / 0.3 (1.5 Sq.mm.) single core stranded 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 stranded 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. 63 Distribution wiring in 1.1 KV grade 2 X 22 / 0.3 (1.5 Sq.mm.) single core stranded 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 stranded 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 64 Add GST @18% (CGST 9% AND SGST 9%) for works Items 65 Add Labour Welfare Cess @1%