Re_Drilling and Repairing of WTA System, Pump House Internal Electrification of 609N Notipota_II HDTW Scheme at Mouza_Notipota, Block-Tehatta_II in the District of Nadia under the Executive Engineer (AI) Krishnanagr_I (AI) Division under Core_SectorP

Drilling and Installation of HDTW

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 30 metres below G.L.

(ii) beyond 30 mtr and upto 60 mtr.

(iii) beyond 60 mtr and upto 90 mtr

(iv) beyond 90 mtr and upto 120 mtr

Labour charges for lowering of ERW MS pipes, strainers,blank pipe etc. and fitting, fixing and jointing of tubewell assembly at site by welding as per direction of the Engineer-incharge. (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. thick (350mm x 200mm) NB M.S. Reducer of approved quality including socket

(ii) 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).

(iiI) 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.

(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 sites within 4 Km. from all weather metal road

Development of tubewell in accordance with IS: 2800 (part 1) and IS: 11189 to establish maximum rate of usable water yield without sand conent 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 puming with 15% to 25% higher discharge than expected discharge of tube well capacity 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. (i) Depth upto 120 metre.

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 pecification 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 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-in-charge)

Add.- GST @ 18.0% over Rs. 3,72,752.97

Add.- L. W. Cess @ 1.0% over Rs. 4,39,848.50

Installation of Submersible Motor Pump Set & M.S. Connection

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

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 (ii) Length of pump assembly of any length exceeding 18 metre

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 stacking 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 1,500 mm.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.

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

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

M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of indows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. ii) Grill weighing above 16 Kg./sq.mtr and above Supplying, fitting and fixing pump protector having outer dia. 250 mm height 250 mm made with 5 nos. vertical member of Indian Standard angle (40 X 40 X 5 mm) , 16 mm dia. MS Rod (at top & bottom) & 25 mm X 6 mm MS flat as per direction including cost of labour and materials, welding all complete.

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 (c) 15 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

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

Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted including cost of all materials ,jointing materials, cutting pipes, making threads ,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.) PVC Pipes 32 mm (Dia)

Patch/Doubling works complete with 5 mm M.S. plate including welding, gas cutting, fitting, fixing complete. (a) Cost of 5 mm M.S. plate including wastage due to cutting, including labour charges for straightening fitting, fixing in position.

(b) Gas cutting to required size of upto 8 mm M.S. plate,M.S. channel, angle etc. including labour charges, hire charges for all tools and plants.

(c) 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.

Labour charges for fitting, fixing and laying where necessary of following M.S/ G.I. pipes & accessories (to be supplied departmentally) including transportation of the same and cutting, threading, jointing and making leak-proof threaded / flanged joint at site by using socket / rubber insertion, nuts & bolts etc maintaining proper alignment and level all complete as per direction of Engineer -in Charge. i) 150 mm dia M.S./G.I. pipe

Dismantalling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within lead of 75 m. a) in ground floor including roof. ( a ) Upto 150 mm thick

Dismantling the existing G.I./M.S. Delivery Pipe line connection between the existing D.C./Surge 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.I.C. and stacking all serviceable materials at site.

Extra rate allowed over schedule rates @3 % for construction of pump house of STW/LDTW considering remote places, away from town

Add.- GST @ 18.0% over Rs. 29,345.17

Add.- L. W. Cess @ 1.0% over Rs. 34627.30

Construction / Maintenance of Pump House.

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).[Excludingcost of chipping over concrete surface] (i) With 1:6 cement mortar (c) 20 mm thick plaster

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).[Excludingcost of chipping over concrete surface] (i) 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 raking out joints including throating, nosing and drip course, scaffolding / staging where necessary (Ground floor).[Excludingcost of chipping over concrete surface] (ii) With 1:4 cement mortar (c) 10 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

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.

a) 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 & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid / Bitumen/M-Seal etc) complete. A) UPVC Pipes: ( i) 75 mm. Dia.

B) UPVC Fittings: c) Bend 87.5 degree (i) 75 mm. Dia.

d) Shoe (i) 75 mm. Dia.

Painting block letters or digits in Black Japan or any approved paint as per direction e) Size above 7.5 cm. and upto 10 cm.

Extra rate allowed over schedule rates @3 % for construction of pump house of STW/LDTW considering remote places, away from town

Add.- GST @ 18.0% over Rs. 32,164.37

Add.- L. W. Cess @ 1.0% over Rs. 39,092.57

Procurement of Materials

C.I. Alfa-Alfa Valve as per Drawing (Annexure-E )with MS Spindle and weight of the bottom disc to be fitted with rubber washer which will be fitted tightly at the closing of Alfa-Alfa Valve. There should arrangement of squre type key holder made of MS complete including two course of painting over a coat of priming. Approximate weight 20 Kg excluding Key. (i) 150 mm Dia.(Type-C)

ISI marked Sluice Valve pressure designation PN 1.6 with hand wheel for water works purpose, CI flangeed type conforming to IS 14846/2000 with Amendment No 1 & 2. Components/parts of Sluice Valves shall be manufactured from basic materials given in table 1 of IS 14846/2000 with Amdt. 1 & 2. The valves shall be tested for (closed end test) against Hydrostatic test requirement. (i) 150 mm dia

150 mm dia Rubber Insertion 5 mm thick with proper reinforcement 2 ply conforming to IS 638/79 with latest amendments duly ISI marked suitable for MS flange as per IS 6392/71 with standard drilled holes.(For Sluice Valve

150 mm dia. MS Special Bend (Z Bend) as per drawing as per IS : 6392/71

Copper PVC Insulated (Heavy Duty) weather proof Flat Electric Cables suitable for working upto and including 1100Volts duly ISI MARKED as per IS No. 694/1990 and latest amendments. (iv) 3c X 6 Sqmm

7/16 PVC Insulated sigle core copper conductor FR (Cable) conforming to IS 694/1990 latest amendment upto 1100 volt

Switch Fuse Unit, lSI marked, IS: 60947 i) 100A Switch Fuse Unit TPN

MOTOR CONTROLLER, IS:60947 3Ø Electromagnetic Star- Delta starters for 25 HP motor.

Supply of 350 mm dia NB 8 mm nominal wall thickness, M.S.E.R.W. Pipe duly ISI certification marked, both ends Plain Grade Fe-410 conforming to IS:4270/2001 (Reaffirmed Nov. 2006) with latest amendments No. 1 ( Each pipe shall be approx. 6 metre In length )

Supply of 200 mm dia NB 6.4 mm nominal wall thickness, M.S.E.R.W. Pipe duly ISI certification marked, both ends Plain Grade Fe-410 conforming to IS:4270/2001 (Reaffirmed Nov. 2006) with latest amendments No. 1 ( (Each pipe shall be approx. 6 metre In length )

(Galv. M S Column pipe, 15I marked -1239, Galv- IS4736 ) 150 mm dia both end with non-std lange 3 m long (middle)

90 degree G.I Bend (both end flanged)J-ISI marked-IS 1239, Galv- IS4736 (a) 150 mm dia

Supply of 100 mm dia Lay - Flat Hose

Submersible pump sets, lSI marked- IS8034 [150-115m3/hr, 17-28m] (20 HP) 150mm outlet (350mm)

Supply of M.S. Hexagonal Head Nuts & Bolts conforming to IS:1363(Part-I)/1992 of Product grade C with latest ammendment for bolts & IS:1363(Part-III)/1992 of Product grade C with latest ammendment for Nuts, properties/Class for Bolt 4.6 & for nuts 4.5. Both bolts & nuts are to be duly ISI certification marked nominal size-M 10 to M 24 of corresponding ISI specification of different sizes. size - 20 mm X 50/65 mm nuts & bolts having standard thread (TATA / GKW) or approved make

Supply of U.P.V.C. Pipes (Class-I/II) IS:4985/2000 certification marked with latest amendments, Ivory grey coloured, both end plain, along with one matching coupler/socket (Class-II) duly IS:10124/1988 certification marked and required solvent cement duly IS:14182/1994 certification marked for each pipe. Length of each straight pipe 6 mts. tolerance +10 mm (nominal wall thickness of pipe 2.5 to 3.0 mm) 200 mm dia. PVC pipe with coupler, Class-I

140 mm dia. PVC pipe with coupler, Class-I

160 mm dia. PVC pipe with coupler, Class-II

Supply of UPVC Flanged Tail piece with metallic flange (Class-II) IS:10124(Part-6)/1988 certification marked with latest amendments FTP incl. 160 mm dia. M.S. flange with 8 nos. holes (12 mm thick)

Supply of UPVC Bend IS:10124(Part-9)/1988 certification marked with latest amendments 200 mm dia. 60 ° / 90 ° PVC bend

140 mm dia. 60 ° / 90 ° PVC bend

Supply of Straight Reducer IS:10124 (Part-3)/1988 certification marked with latest amendment 200 mm X140 mm P.V.C. Reducer (comprising of two straight reducer of 200 X 160 & 160 X 140 mm duly joined nominal size 200 x 140mm

200 mm X 160 mm P.V.C. Reducer

160 mm X 140mm P.V.C. Reducer

Supply of UPVC Tee IS:10124(Part-5)/1988 certification marked with latest amendments 200 mm X 200 mm X 200 mm. P.V.C.Tee

140 mm X 140 mm X 140 mm. P.V.C.Tee

Supply of UPVC Cap (Class-III) IS:10124(part-4)/1988 certification marked with latest amendments 140 mm dia PVC end Cap

200 mm dia PVC End Cap

Supply of UPVC Socket / coupler IS:10124(Part-1 & 2)/1988 certification marked with latest amendments 200 mm dia PVC Extra Coupler

140 mm dia PVC Extra Coupler

Supply of Extra Solvent cement (Class - Heavy Bond) IS:14182/1994 certification marked with latest amendments)

(G.I Pipe, IS:1239(part-I), Galv- IS4736) 150 mm dia 1.0 mtr long G.I. Short Piece made of 150 mm, dia 5.4 mm thick G.I. Pipes conforming to IS 1239 (part - 1) / 2004. One end threaded and other end plain.

Internal Wiring of Pump House

(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. ii) Grill weighing above 16 Kg./sq.mtr and above Supplying, fitting, fixing on wall 1.00 M X 0.6 M rectangular shaped M.S. frame made with 30mm X 6mm M.S. flat welded ( 4 nos. horizontally, 2nos. Vertically and other 4 nos vertically inside the rectangle ) by lectric welding for fitting , fixing of Starter , Main switch, Volt meter. Amp meter etc. with adjustable screws, nuts 4nos of legs 15 cm long with bifurcated ends and jamming the same in wall holes with cement concrete (1:2:4) and mending good all damages.

Fixing only Sheet Steel Main Switch (Rewirwable type)/ Change over on Flat Iron Frame/Angle Iron Frame on wall 63 Amps On angle iron frame

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 / 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 a) 0-50 Amp ammeter ( Wire & other material Deptt. Supply )

Fixing only Voltmeter/Ammeter/Energy meter with screws & other fixing materials incl. making necessary holes and connections a) 0-500 voltmeter ( Wire & other material Deptt. Supply )

Supplying and fixing Sheet steel Main Switches on flat iron frame on wall 15/16 A Havells 240V DP with fuse on L&N

Supply & Fixing EI danger board on wall 20 cm x 30 cm (8"x12")

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

Supplying & Fixing Out door type CFL luminaire (Bajaj make- 524020 / 020168) with epoxy powder coated sheet aluminium housing, aluminium reflector & clear acrylic cover and accessories incl. for 11/18 watts CFL S/L type lamp incl. S&F 15mm dia GI pipe bracket, clamp, nut & bolts etc..

Wiring in 1.1 KV grade single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) of following sizes in 25mm PVC casing-capping (Precision make) incl. necy. PVC clips, fittings etc. 2 x 22/0.3 (1.5 sqmm) (b) (Domestic Main Switch Loop connection from Pump controller to domestic Main Switch.)

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] 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 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] On Board

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting ( from meter to incomming main switch, cable will be supplied by Deptt. )

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials : 3½ core 25 sqmm cable

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

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

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

Add extra @ 3% over schedule rates as District Charge for Nadia District

Add.- GST @ 18.0%

Add.- L. W. Cess @ 1.0%

Maintenance of Spout Chamber & P.V.C. Pipe Line (WTA System)

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 stacking 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 1,500 mm.

Earth filling in foundation trenches to plinth with good earth in layer not exceeding 150 mm including watering and ramming etc. by layer complete with earth obtained from excavation of foundation.

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.

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 (for 50 Km distance)

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 (c) 15 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

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

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.)

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. (iv) 140 mm. dia. PVC. pipe

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW 1 MDTW 1 RLI including taking out of the existing damage accessories, and excluding the supplying the new accessories of 4 Kg.lcm2 capacity and as per I.S. specification at site and fitting,fixing the same by joining with solvent cement (cost inclusive) after roughening up the surface with wire brush, emery papers etc., to make the joint leak proof all complete as per direction of Engineer-in-Charge. (i) 200 mm X160 mm. P.V.C. Reducer

(ii)160 mm X140mm. P.V.C. Reducer

(v) 140 mm X 140 mm X 200 mm. P.V.C.Tee

(viii) 200 mm X 200 mm X 200 mm. P.V.C.Tee

(ix) 140 mm. dia. 90°/60° & 45° long bend

(x) 200 mm. dia 90°/ 60°/ 45° long bend

(xiii)160 mm. dia.flanged tail piece fitted with special bend

(xiv) 160 mm. dia. flanged tail piece fitted with Alfa-Alfa valve

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. (i) 150 mm. dia. ERW pipe.

(v) 150 mm. dia. ERW pipe 90° return bend, both end flanged

(xii) 150 mm. dia. special bend, both ends flanged.

xxviii) 150mm. dia. C.I. sluice valve.

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,VanRikshaw/Mini Truck etc. upto 25 Km distance in one way. i) For Delivery pipe, Surge Tank, Bend, Valve etc.

Repair of puncture/holes of any size in existing PVC. Pipeline of DTW/MDTW/RLI by placing half round PVC. Pipe section of required size to cover the holesl puncture having adequate bearing on all sides and joining the half round section with solvent cement after roughening the surface with wire brush, emery paper to make the joint leak proof as per direction of Engineer-in Charge (cost inclusive of supplying solvent cement at site and transportation of required length of PVC.Pipe to be issued departmentlly, for cutting half round section, from Sub-Divisional Stores to site) (ii) 200 mm dia Pipe line

(iii) 140 mm dia pipe line

Labour charge for replacement of damage PVC. Pipe of any length in the Pipe line of HDTW 1 MDTW 1 RLI with new piece/s of pipe after taking out the damage pipe/s from the existing pipe line by cutting with hacksaw and joining the new pipe/s with the existing pipe line using necessary couplers after roughening up surface with wire brush, emery paper and applying the solvent cement (cost inclusive) to make the joint leakproof (pipe & couplers to be supplied departmentally ) including transporting departmentally issued pipe/s, couplers etc. from Sub-Divisional Store to the Site all complete as per direction of Engineer-in-Charge. (ii) 200 mm dia Pipe line

(iii) 140 mm dia pipe line

Labour charges for fitting,fixing 160mm. dia. P.V.C.riser pipe with 150mm. dia. M.S. 90° bend by using P.V.C. tail piece.

Removing of Chokage due to sludge, mud, sand or any other forign materials deposition from the underground 110/ 140/200/315 mm dia. PVC. Pipe Line with split bamboo,wire brush, coir rope etc. along with suitable cleaning agent as necessary as per direction of E.!'C. (This item includes the cost of earth cutting & back filling of trenches and required materials for chokage cleaning but excluding the cost for replacement & jointing of PVC pipes). ii) For 200/140/11 0 mm dia PVC Pipe (ii) 200 mm dia Pipe line

(iii) 140 mm dia pipe line

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 P.V.C. 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.

For Water transmission Arrangement of Tube well 3% extra over the schedule rates, save & except for earth work in excavation & filling works, will be allowed for extra carriage by cart / boat / head load besides initial transport by truck etc. [Excluding Sl.No. 6.01, 6.02, 6.09, 6.10, 6.24]

Add.- GST @ 18.0% over Rs. 2,02,305.08

Add.- L. W. Cess @ 1.0% over Rs. 2,38,719.99