Rnovation of Nunail DTW (WD/215 Scheme) through Re-drilling, Installation, Repairing of Pump House, Repairing of WTA

MSERW pipe duly ISI certification marked both end plain Length of the pipe should be 6 meter with 350 mm nominal bore and 8 mm wall thickness asper I.S 3589 / 2001 with latest amendments there of.

MSERW pipe duly ISI certification marked both end plain Length of the pipe should be 6 meter with 200 mm nominal bore and 6.40 mm wall thickness asper I.S 3589 / 2001 with latest amendments there of. ( 200 mm dia. MS ERW pipes ).

ISI marked Sluice Valve pressure designstion P.N 1.6 with Hand Wheel for Water works purpose, C.I Flange type confirming to IS-14846/2000 with Amdl no.1& 2 component/parts of the Sluice Valve shall be manufactured from basic materials given in Table-1 of IS-14846/2000 with Amdt no 1& 2. The Vave shall be tested for (close & test) against Hydrostatic test requirement. 150 mm dia. Nominal Size (PD)

150 mm (NB) MS Special Bend both end flange welded (asper Annexure F) 150 mm (NB) ERW Pipe should be confirming to IS-1239(Part-1)/2004 medium and 12 mm nominal thicness MS Flange confirming to IS-6392/1971 ,Table-17.

MS Surge tank as per drawing (Annexure-H) thr body of which made of 3mm thick MS sheet and top and bottom cover are made of 5 mm MS sheet welded with the body and strenghthen with rib etc. All joint must be electrically welded to a leak-proof condition and joint must be capable of withstanding pressure of 50 PSI. The Surge tank should be fitted with all accessories as specified in the drawing. Entire Surge Tank is to be painted both inside and outside over a coat of priming.

150 mm Dia (NB) GI 90 degree bend as per IS-1239(Part-II)/1992 with latest amendments, both end welded with flange as per IS 6392/1971, table-17 with latest amendments, 50 mm Dia (NB) socket to be used as per IS-1239(Part-II)/1992 with latest amendments for priming, 50 mm Dia (NB) plug to be used in socket is as per IS-1239(Part-II)/1992 with latest amendments. Both bend and flange are duly ISI certification marked . (As per Annexure H )

150 mm dia.Alfa-Alfa valve C type.

150 mm NB GI Heavy Duty Supporting clamps in two halves for holding column Pipes.

Sypply and transport of Rubber Insertion 150 mm dia (NB) X 5mm thick with proper reinforcement reinforced with 2 ply confirming to IS-638 / 1979 with latest amendment duly ISI mark suitable for MS flange as per IS 6392/71 with standard drilled holes 150 mm dia.

ISI marked Submeersible Motor pump Set having capacity of 125 to 180 m3/hr.discharge at 35 to 20 mtr.total head, along with flat submersible electric cable 2 x3x 6.0 sq.mm of 3 mtr. For motor pump set consisting of Bowl with strainer and non -return valve.Motor Should be designed for operating at 415 volt +6% & -15% , 3 phase 50 HZ, ± 3% A.C supply ,wet type, water filled, totally enclosed squirrel cage Induction Motor, water cooled, water lubricanted. Motor as per IS: 9283/1995 with latest ammendments there of and pump as per IS: 8034/2002, with latest amendments there of. (25 HP, 6 inch NRV )

96 x 96 sq. mm Flush mounting Ameter (range 0-50/100 Amps) MIAC, Accuracy within ± 1.5% and confirming to IS: 1248/1968.

96 x 96 sq. mm Flush mounting Voltmeter (range 0-500 Volts) MIAC, Accuracy within ± 1.5% and confirming to IS: 1248/1968.

6 Sq.mm copper PVC insulated (Heavy Duty) Flat Weather proof Electric cable duly ISI certification mark as per IS 694/1990.

Upto 30 metres below G.L.

beyond 30 metres and upto 60 metres.

beyond 60 metres and upto 90 metres

200 mm NB Blank pipe, Slotted pipe & Bottom Plug

350 mm NB Housing pipe

10 mm thick (350 mm x 200 mm) NB M.S. Reducer of approved quality including socket

MS Centre guide ( Consisting of 3 nos. 6 mm thick, 50 mm wide not les than 600 mm long and 125 mm rise of arch) of approved size and quality.

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).

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

75 mm width × 10 mm thick Sockets / Rngs 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) for 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 For site at any district of West Bengal upto 180 km distance from quarry

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.

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 219 mm OD 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 :- For sites within 4 km from all weather metal road.

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)

Add GST @ 18.00% (on item nos 6.01 to 13)

Add Cess @ 1.00% (on item nos 6.01 to 14)

Fixing only Sheet Steel Main Switch(Rewirwable type)/ Change over on Flat Iron Frame/Angle Iron Frame on wall ( including all materials except equipment ) i) For 100 Amp. Main Switch

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 cables iii) Star-Delta 1Auto-Transformer Starter (Above 15 HP upto 25 HP)

Ammmeter

Voltmeter

Meter loop connection with 1.1 K.v. Gr. 31/2 core /4 core 10 Sqmm to 50 Sq mm. p.v.C./ XLPE insulated & sheathed and armoured Aluminium/Copper Cable from Meter to incomming TPN Main Switch /Terminal b) For HDTW/MDTW/MINI RLI Scheme i) 25 Sqmm 31/2 core Core Aluminium Cable

Supplying & fitting 20 mm × 30 cm( 8"x 12") . E.I. danger board on wall.

Supplying and fixing 240 volt, 15/16 Amps. DP. Sheet Steel Main Switch on flat iron frame on wall. (Havells make.)

Earthing with 65 mm. dia G.I. pipe ( TATA medium) into 3.0 mts . Long and 1 no 50mmx6mm galvanized ( hot deep) steel strip ( 4 metre long) , 20mm dia x125mm long galvized bolt , double nuts double washers including finishing both ends by making holes etc. and S& F 65 mm dia G.I. pipe ( ISI medium) protection ( 3mts long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 mts. (a) For soft soil

Supplying and fixing earth bushbar of galvanized (Hot Dip) M.S. Flat 25 mm × 6 mm on wall having clearance of 6 mm. from wall including providing drilled holes on the busbar complete with G.I. bolts, nuts, washers etc. , spacing insulators as required .

Connecting the equipments to earth busbar including supplying and fixing G.I. (Hot Deep) Wire of size as below on wall/floor with stapples burried inside wall and floor as required and making connection to equipments with bolts, nuts, washers, cable, lugs etc. as required and mending good damages. ( a) 6 SWG

Transportation of Submersible Electro Motor Pumping set,column pipe,sluice valve,bend,kiox box,short piece etc. along with all other accessories and equipments over Pucca/Kancha Road from Sub-Divisional Store to worksite including loading at the lifting point and unloading at the delivery point including necessary head load upto 100 metre at both ends. i) 100 cum./hr capacity

Instalation 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 her hour capacity electro motor pumping set. Length of pump assembly of any length exceeding 18 metre length.

Charges for jointing water proof cable with required water proof insulation and proper jointing compound including supply of other related materials, complete in all respect.

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 5A 3 pin flush type plug socket with piano key type switch (Anchor make) fixed on sheet steel fabricated CRC MS switch board with bakelite/perspex (wall matching color) top cover of 3 mm thick flushed in wall by housing the board after cutting brick wall incl. necy. connection making earthing attachment, painting and mending good damages to building works [PVC casing-capping and plug box both on surface] (a) average run 1.5 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 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 mtrs. Pump Room - 1 light point, Varandah - 1 light point

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

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

Plain and finished timber planks in partition, shelves etc. fitted and fixed complete as per design (butt joints) in ground floor. (iii) 25mm thick planks (c) other Local wood [Wooden Board in size-900 mm x 1200 mm]

Supplying and fixing medium gauge G.I. Pipe (ISI-Medium) protection with necessary fittings and jointing materials. a) 25 mm dia. (G.I. Pipe for passing cable)

Add extra charge @ 7.0 % on PWD (E) items for Dakshin Dinajpur District on item nos 17,19.01,19.02,21,22,23,24,25,29,30,31,32 &34

Add GST @ 18.00% (on item nos 17 to 35)

Add Cess @ 1.00% (on item nos 17 to 37)

Earthwork in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite and sand stone), including removing, spreading or stacking the spoils within a lead of 75 m as directed. The item include necessary trimming the sides of trenches, leveling, dressing and ramming the bottoms, bailing or pumping out of water etc. as required complete. a) Depth of excavation not exceeding 1.5 mtr.

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 1 sorts of soils including removing, spreading or stacking extra earth as directed. Cum 99.01 The item includes necessary trimming of sides trenches, levelling, dressing and ramming the bottom as required complete

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 2 exceeding 225 mm, including watering and ramming etc. layer by layer Cum 66.01 complete. (Payment will be made on the basis of measurement of finished .quantity of work.)

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 finished quantity )

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. ground floor including roof.

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

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 (mixed 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any , in ground floor as perrelevent IS Codes .b) Pakur Variety

In foundation & plinth

In superstructure, ground floor

125 cm. thick brickwork with 1st class bricks in cement mortar (1 : 4) in ground floor.

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) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In- Charge.

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.For works in foundation, basement and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel II. JSW/JSPL/SHYAM/SRMB/ BMASL/ELECROSTEEL/SSL

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.Pakur Variety

20 mm thick plaster inside

15 mm thick plaster out side

with (1:4) cement mortar. 10 mm. thick plaster. (Ceiling, Sunshade, R.C.C Column etc.)

Neat cement punning about 1.5 mm. thick in wall dado, window sills , floor, drain etc. Note: Cement 0.152 cum.per 100 sqm.

M.S. gate of Jail type as per approved design made of strong M.S. frame work, intermediate stiffeners and round / square bars or angles. M.S. sheet (not less than 14 gauge) gussets, cleats etc. including necessary riveting, bolting, welding, locking and hanging arrangements, fitting and fixing complete as per direction of the Engineer-in -charge.

M.S. structural works in columns, beams etc.with simple rolled structural members (e.g.joists, angle, channel sections conforming toIS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, 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 [email protected] Kg/m For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m

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

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.

Priming one coat on steel or other metalsurface with synthetic ename oil bound primer of approved quality including smoothening surface by sand papering etc .

Painting with best quality synthetic enamel paint of approved make and brand papering etc. including using of approved putty etc. on the surface, if necessary :On Steel or other metal surface. With super gloss (hi-gloss) -Two coats (white in shade)

225 mm. dia. RCC. Pipe

150 mm. dia. RCC. Pipe

Installation / Erection of SurgeTank / Shore manifold (to be supplied from Deptt. free of cost) over a rigid base of ordinary cement concrete (1:2:4) with graded stone chips (20mm. nominal size) of pakur varity of 1250 mm X 1250 x150 mm over a single layer of brick flat soling and embedding the legs of the surge tank/shore manifold within the concrete base including cost of all materials and labour and as per direction of Engineer-in-Charge

Jointing the end of 150 mm. dia. M.S. extension pipe for spout chamber with 150mm. end of R.C.C. Tee including carrying the M.S. extension pipe from store to site, levelling and positioning the end of extension pipe concentrically with 150mm. end of R.C.C. Tee on bricks laid flat within the field trench and jamming the joints with cement concrete (1:2:4) with stone chips 10 mm. down mixed with approved water proofing compound 5% by weight of cement) of adequate thickness to provide a leak proof joint as per direction of Enginer-in- Charge (Cost of bricks for levelling is included)

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 agen t as necessary as per direction of E.!.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 & ref itting the RCC pipe with new two nos. collar). 225 mm. dia. RCC. pipe

Laying of P.v.C. pipes of different diameters within field trenches in curve / straight line using P.V.C. fittings, viz. Bend, Tee, Reducer etc. and making leak proof joints with couplers after roughening the surface with wire brush and emery paper and applying solvent cement (The rate is inclusive of transport of pipes, fittings and solvent cement to be supplied by Deptt.) all complete as per direction of Engineer-in-Charge.140 mm dia pipe

Welding in M.S. structural work with gas or electric: b) continuous weld

Gas cutting to required size up to 8 mm thick MS plate , MS channel , angel etc. including labour charges , hire charges for all tools and plants.

Dismantling the existing G.I.lM.S. Delivery Pipe line connection between the existing D.C.lSurge Tank!Tripod Set & Tube Well assembly viz Sluice valve, Bend, Surge Tank/Distribution Chamber !Tripod Set Connection pipe etc.and disconnection of delivery side viz. Special bend etc. all complete as per direction of the E.!'C. and stacking all serviceable materials at site.

Labour charges for fitting, fixing150 mm. Dia. Alfa-Alfa valve with 160mm. dia. P.V.C. riser pipe with the help of flanged P.V.C. tail-piece by joining the P.V.C. End of Tail-piece and riser pipe with coupler and flanged end of Tail-piece and Alfa-Alfa valve with rubber insertion, nuts and bolts etc. complete.

Labour charges for fitting. fixing M.S. Special bend with 160 mm X 200 mm.dia. P.V.C. reducer with the help of flanged tail-piece by joining RCC. end of tail-piece and 160 mm. end of reducer with coupler and flanged end of tailpiece and special bend with rubber insertion, nuts and bolts complete.

150mm. dia. C.1.sluice valve

300 mm /200 mm / 150mm. dia. M.S. special bend.

Add additional @ 3.00% (Except item nos 39,40,41,42,43,44,61.01 & 63)

Add GST @ 18.00% (on item nos 39 to 72)

Add Cess @ 1.00% (on item nos 39 to 73)

Supplying, fitting and fixing including transportation of Sign board of MS fabricated Structure Sheet Size 2 m x 1 m x 1.5 mm thick, MS flat bar (40 mm x 6 mm) welded with frame with 2 nos. MS Angle post (45 mm x45 mmx6mm) of 2.44 m length embeded 0.6 m into 1:2:4 Cement Concrete pasting flex on the MS Sheet ( 2 m x 1 m) as approved signage. This will include Civil construction works of foundation, Painting , material , fitting fixing and labour complete as per Drawing and direction of EIC.

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