Re drilling of Bhalia DTW HG 166

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 ring ) upto required depth including digging trenches and pits etc. all complete. i) upto 30.0 metres bellow G.L.

ii) beyond 30.0 metres and upto 60.0 metres.

iii) beyond 60.0 metres and upto 90.0 metres.

iv) beyond 90.0 metres and upto 120.0 metres.

v) beyond 120.0 metres and upto 150.0 metres.

v) beyond 150.0 metres and upto 175.0 metres.

Labour charges for lowering of ERW MS pipes, strainer, blank pipe etc. and fitting, fixing and jointing of tubewell assembly at site by welding as per direction of the Engineer –In – Charge. i) 200 mm. NB Bottom Plug.

ii) 200 mm. NB Slotted Pipe.

iii) 200 mm. NB Blank Pipe.

iv) 350 mm. NB Housing Pipe.

Supplying, fitting, fixing including fabrication (IS – 2800 Part-I with latest amendments) with required materials as directed by the Engineer- in – charge and lowering in position etc. i) 10 mm. thk. ( 350 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) M.S. Top cap of suitable size (8 mm thick) and approved quality for covering top of housing pipe of 350 mm NB (Top cap will be tack welded with housing pipe at 4 points 90° apart).

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

(v) 75 mm width × 10 mm thick Sockets / Rings made form MS Flats by rolling process and double butt welding for jointing 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 site at any district of west Bengal of West Bengal up to 180 km from Quary (Distance of Nimdangi DTW from the quarry at Durgapur is 158 Km.)

ii) Depth beyond 120 upto 200 m

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 & equipments required for drilling, development and testing of Tubewells and also the cost of construction of temporary roads over field and / or culverts, repairing existing roads and / or culverts all complete, carrying materials on head load, carts or boats as the case may be :- i) For site within 4 Km from all weather metal road.

Electrologging of bore hole of different dia tubewell for ocating 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-in-charge)

Supplying fitting & fixing 350mm x 250mm x25mm size wooden plank on wall ( for fitting & fixing of electrical equipment as necessary on the plank).

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.

Filling in foundation or plinth by fine sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) B) Do with fine sand

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

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. ( Rate Analysis attached) (For site 25 Km from Tarakesar Rail Yard)

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

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 where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar. (b) 15 mm thick plaster

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. In Ground Floor

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.)

Dismanntaling the existing G.I / M.S delivery pipe line connection between the existi ng D.C / Surge Tank / Tripod set and tube well assembly viz Sluice valve, bend surge tank / Distrubution chamber /Tripod set connection pipe etc. and disconnection of delevery site viz. Special bend etc all complete as per direction E.I.C and stacking all.

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.

Transportation of Submersible Electro Motor Pumping set alongwith all other accessories & equipments including bend,sluice valve, column pipes etc. from Sub-divisional Store to work site including loading at the lifting point and unloading at the delivery point including head load upto 100 meter at both ends. A. Carriage by road / boat a) Distance upto 50 KM i) 100/150/200 cubic meter per hour (m3/hr) capacity electro motor pumping set with column pipes and accessories etc. (full set)

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 anylength exceeding 18 metre length.

Taking out the condemed 150 mm dia NTP / TP / Alfa -Alfa valve from 150 mm dia M.S / G.I pipe of exsisting spout chamber by careful chiseling least distrubance to the exisisting 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 zink jute so as to make the joint leak proof including material at store as per direction of Engineer-in-Charge.

Labour charges for fitting , fixing and laying , where necessary of following M.S/ G.I/E.R.W pipes and accessories (to be supplied departally) 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. maitaining proper alignment and level - all complete - as per direction of Engineer-in- Charge. (i)(a) 150mm dia ERW pipe

xii)150mm dia. Special bend, both end Flanged

xxviii) 150 mm Dia. C.I Sluice Valve & Alfa-Alfa valve

Welding in MS structural work with gas/elec Contenious weld. 2 x 3.143 x 15.00 cm x 10 nos = 942.9 cm

Painting with ready mixed Black Japan of approved make and brand including smoothening surface. B) Two coats

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

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.I. bend by making a hole on plate for passing submersible cable smoothly and complete in all respect.

Supplying, fitting and fixing CPVC (Chlorinated Polyvinyl Chloride) pipes of approved make conforming to IS-15778: 2007 . with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. (a) For Exposed Work (ii) CPVC Pipes Class-2,SDR-13.5, (32 mm dia. For dwaring Submersible cable of motor & pump)

Add 3% extra for carriage over SL No 2, 3, 4, 5, 7, 8, 9, 13, 14, 15, 16, 18 & 19

Gravel Pit & Re Connection

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 the electrical iii) Star-Delta/Auto-Transformer Starter (Above 15 HP upto 25 HP)

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

150mm (N.B) MS plate flange (as per IS 6392/1971)/(Table 6) with C.B 250 mm made from 12 mm thk MS plate providing 8 nos drilled holes of 22 mm dia and also cable holes including necessary painting.

Earthing with 50mm(2")dia, galvanised iron pipe 3.64mm thick X 3.04 m (10'-0") long and one no S.W.G GI (Hot Dip) wire (4.0m long),13mm (1/2")dia X 80mm long G.I bolts, double nuts and double washer including supplying and fixing 15mm dia G.I pipe protection (1.0m long) to be filled with bitumen, partly under the ground level and partly above the ground level driven to an average depth of 3.65m(12'-0") below the ground level and restoring the surface duly rammed. a) For soft soil ---- ISI medium G.I .Pipe

Supplying fitting 20cm X30cm E.I Danger board on wall & boring site

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. (a) Solid GI wire. (iii) No. 8 SWG

Supplying and fixing Sheet steel Main Switches on flat iron frame on wall 240V DP with fuse on L&N 15/16 A (Standard) (Rate for Arambagh Sub-Division)

Supplying and Drawing with 1.1 KV, PVC flexible 'FR' cables copper conductor conforming to IS 694 in suitable size with fitting and fixing on wall/Kiosk Box , including making necessary connection to the pre-fixed devices with all necessary accessories like saddle, screw, clips, gland, socket etc. conforming to IEE regulation and as per direction of EIC. (Brand:Gloster/Havells/Finolex) (ii) 3C X 16 sqmm copper cable conforming to IS 694 [Busbar to 63 A, TP Main switch and 63 A TP switch to Motor starter]

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in suitable size PVC casing-capping (Precision make) with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & 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) Average run 5 mtr

Distribution Wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in suitable size PVC casing-capping (Precision make) with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed

Supplying & Fixing bulk head light fitting (Havells make) with die cast aluminium housing & frosted glass on wall/ceiling incl. S&F 8watt CFL / 100 watts GLS lamp complete set. (Rate for Arambagh Sub-Division)

Pump House

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars. (a) In ground floor including roof.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site andremoving rubbish as directed within a lead of 75m. In ground floor including roof. a) upto 150 mm. thick

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 75m a) In ground floor including roof.

Filling in foundation or plinth by fine sand in layers not exceeding 150mm as directed and consolidating the same by through saturation with water , ramming complete including the cost of supply of sand. ( payment to be made on measurement of finished quantity).

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) (b) In superstructure ground floor

Ordinary cement concrete (mix-1:2:4) with graded stonechips(20mm nominal size) excluding shuttering and reinforcement if any. In ground floor as per relevant IS codes.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Ordinary Cement concrete (mix 1:1.5:3) 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. ( 15 KM from Tarakeswar Railyard) ( Rate Analysis attached)

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation and upto roof of ground floor/upto 4 m III. OTHER MANUFACTURERS NOT SPECIFIED

M.S. works in framed gratings of window etc.made of round or square bars and frame work or M.S. flats (with the bars securely fixed to the flat bar frame ) with or without intermediate flat bar stiffener and fixed with necessary screws etc. complete , as directed. In ground floor. (For doors)

Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to IS 1038-1975 and manufactured from rolled steel sections conforming to IS 7452-1974 with non-friction projecting type, box type hinges, glazing clips, lugs locking bracket, handle plate etc, including hoisting in position, straightening if required, fixing lugs in cement concrete (1:2:4) with stone chips 20 mm down cutting holes and mending good damages to match with existing surface complete in all respect excluding glazing. In Ground floor. Flash butt welded windows and ventilators, Without integrated grills. (b) Openable steel windows as per IS sizes with side hung shutters and horizotal glazing bars. [The extra rate admissible for the openable portion only]

(iv) Two point nose steel handle including fitting and fixing.

(vi) steel peg stay 300 mm long including fitting and fixing.

(a) M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. (i) Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr.

Supplying 1.5mm thick M.S. sheet fitted and fixed on one or both faces of M.S./ W.I. gate etc. with point welding at not more than 150mm apart complete in all respect as per design including cost of all labour and materials.

i) Iron hasp bolt of approved quality fitted

and fixed complete (oxidised)with 16mm dia rod with centre bolt and round fitting --c)300 mm long

Iron Socket bolt of approved quality fitted and fixed complete. b) 100mm. long x 10mm.dia bolt for (D)

b) 75mm. long x 10mm.dia bolt for (W)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints including throating,nosing and drip course,scaffolding/staging where necessary (Ground Floor). [Excluding cost of chipping over concrete surface] . With (1:6) cement Mortar (c) 15 mm. thick plaster.

(d) 10 mm. thick plaster. (1:4)

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. (ii) 25 mm. thick

Neat cement punning about 1.5 mm. thick in wall, dado, window sills,floor,drain etc. complete. [Note :cement -0.152m3 per 100 sq.m.]

White washing including cleaning and smoothening surface thoroughly -. All floors. (a) Two coats ( to be down on specific instruction).

(b) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

(A) 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 : (b) On steel or other metal surface : With super gloss (hi-gloss) . (iv) Two coats (with any shade except white).

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of MINI RLI 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.

For construction of Pump house add 3% extra for carriage over item 38 to 58

CARRIAGE

Labour for loading the following materials into trucks, carts, boats etc. at lifting point and unloading the materials at the destination and stacking the sameas per direction including carriage by headload upto a lead of 100 metres at each end. c) ERW / MS Pipe iv) 200 mm. dia.

c) ERW / MS Pipe iv) 150 mm. dia.

Carriage of miscellaneous materials over pucca road upto 5 km. distance c) ERW / MS Pipe iv) 200 mm. dia.

v) 150 mm. dia.

ERW MS pipe (iv) For carriage of 200 mm dia Beyond 5 km and upto 50 km (For 45 Km)

(v) For carriage of 150 mm dia Beyond 5 km and upto 50 km (For 45 Km)

Materials - Drilling

E.R.W.Casing & Blank Pipe ISI marked IS-4270 a) 350 mm N.B. (8.0 mm) 68.57 Kg/m

Materials - MS Accessories

From 50 km upto any distance (For 40 Km)

Alfa-Alfa valve (nipple type) with hand wheel 01 no for 04 nos valve (As per approved existing dwg.) a) 150 mm (Type - C)

Supply & Transport of Rubber Insertion of 150 mm ID 5 mm thick with proper reinforcement 2 Ply conforming to IS 638/79 with latest ammendments suitable for raised surface of MS flange as per IS 6392/71 (Table:5)

MS. Hexagonal Head Bolts & Nuts conforming to IS- 1363 ( Part-1) / 1992 of product Grade - C with latest amendments for bolt and IS1363(Part-3)/1992 of product Grade - C with latest amendments for nuts properties/class for bolt-4.6 and for nut-4.5.both bolt & nuts are to be duly ISI certification marked. ⅝” x 3” Nuts & Bolts

Materials - Pump motor set and Accessories

Submersible pump sets, ISI marked- IS:8034 for pump and IS:9283 for motor (read with latest amendment for all IS) [180-125m³/hr, 20-35m] (25 HP) 150mm outlet (350mm)

Motor controller, IS:60947 , 25 HP 3Ø Electromagnetic Star-Delta motor controllers with 4 pole heavy duty Power contactor, single phasing preventer and 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.

Switch Fuse Unit, ISI marked, IS:60947, 100A Switch Fuse Unit TPN

3C Flat water proof Cu. Cables ISI marked- IS:694

GST @ 18% on Iten 1, 2, 3, & 4

Labour Welfare Cess @ 1% on Iten 1, 23, &4 incl. GST