Renovation of pipe Line and Repair and Construction of Boundary Wall for protection of encroachment of Government Land including wiring under Ranaghat-I Block under Kalyani (A-I) Division in the District of Nadia under Core Sector 2025-26 .

PART - A:- Laying and Maintenance of WTA system for HDTW Centre :- 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. (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 75 m. a) In ground floor including roof.

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 75m. 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.

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

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 . (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. ( Upto roof of ground floor )

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

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

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

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and 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 (a) 20 mm thick plaster [Gr floor )

(b) 15 mm thick plaster [Gr floor )

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

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. i) For Delivery pipe, Surge Tank, Bend, Valve etc.

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

Bailing out of water from excavated trenches that comes out from the leakages/burst pipe line during repairing works of minor / major leakages and replacement of damaged PVC pipe/tee/bend and chockage clearance of PVC pipe line etc. by means of bucket or any other means necessary and to make the excavated trenches suitable for repairing works etc. of pipe line.

Labour charges for Replacement of damage PVC pipe of any length in the pipe line of HDTW/MDTW with a new piece of pipe after taking out the damage pipets from the existing pipe line by cutting with hacksaw and jointing the new pipets 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 couplers to be supplied Departmentally) including transporting departmentally issued pipets, couplers etc. from Sub-Divisional Store to the Site all complete as per direction of the Engineer-in Charge. (i) 200 mm dia. P.V.C. Pipe line

(ii) 140 mm / 110 mm dia. P.V.C. Pipe line

Repair of puncture / holes of any size in existing P.V.C.pipe line of HDTW / MDTW / LDTW / RLI by placing half round P.V.C. pipe section of required size to cover the holes / 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 E.I.C. (cost inclusive of supplying solvent cement at site and transportation of required length of P.V.C. pipe to be issued departmentally, for cutting half round section, from Sub-Division store to site . (i) 200 mm dia. P.V.C. Pipe line

(ii) 140 mm dia. P.V.C. Pipe line

Removing of Chokage due to sludge, mud, sand or any other forign materials deposition from the underground 110 /140 / 200 /315 mm dia. p.v.C. Pipe Line with split bamboo, wire brush, coir rope etc. along with suitable cleaning agent as necessary as per direction of E.I.C. (This item includes 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). i) For 200/140/110 mm dia PVC Pipe

Taking out the condemmed 150mm dia. N.T.P/T.P/Alfa-Alfa valve from 150mm dia. M.S/G.I pipe of existing spout chamber by careful chiseling with least disturbance to the existing system of structure upto required limit and fitting fixing of new one with150mm dia. M.S/G.I pipe in proper position of the spout chamber using havoc Zinc jute so as to make the joint leak proof including mending good all damages and returning back the condemned materials at store as per direction of E.I.C.

Labour charges for fitting, fixing 150 mm. dia. Alfa-AIfa 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 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.

Labour charges for fitting, fixing 200 mm X 200 mm X 160 mm. , 140 mm X140 mm X 160 mm. , 110 mm X 110 mm X 160 mm. PVC. Tee with 150 mm. dia. M.S. extension piece by using P.V.C. tail piece.

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.

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. ii) 140 mm X 140 mm X 200 mm. PVC Tee

iii) 140 mm X 140 mm X 160 mm. PVC Tee

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

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

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.

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, ncluding watering & ramming etc. layer by layer complete. (Payment will be made on the basis of measurement of finished quantity of work.)

Add @ 3% except I- 1, 2, 3, 13 & 30

Add GST @ 18% :-

Add Cess @1% :-

PART- B :- Construction of Boundary Wall of HDTW Centre :- Clearing compound premises of shurbs, plants, jungles etc. by cutting and removing as directed (Specific permission of Engineer-in-Charge prior to execution will be necessary). (Payment to be made on area cleared).

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 75m. 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 asurement 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.

Ordinary cement concrete mix 1:2:4 with graded stone chips 20mm nominal size excluding shuttering and reinforcement if any in ground floor as per relevant 1.5 code. a) Pakur Variety

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 . (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. ( Upto roof of ground floor )

Ordinary cement concrete mix 1:1.5:3 with graded stone chips 20mm nominal size excluding shuttering and reinforcement if any in ground floor as per relevant 1.5 code. a) Pakur Variety

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 (i) Tor steel/Mild Steel II. Other than SAIL/ TATA/RINL

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

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and 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 (a) 15 mm thick plaster [Gr floor

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

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 16 Kg./sq.mtr and above . & (b) Extra for work in grill gate. (I) For hanging and locking arrangements including supply of materials and labour complete. (15% extra over the corresponding item of grill ) ( In including locking arrangement )

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.

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

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

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. [Gr floor ) i) Two coats

Painting block letters or digits in Black Japan or any approved paint as per direction. a) Size above 10 cm. and upto 12.5 cm

b) Size above 7.5 cm. and upto 10 cm.

c) Size above 5 cm. and upto 7.5 cm.

Add @ 3% except I- 34, 35 & 36

Add GST @ 18% :-

Add Cess @1% :-

PART-C :-Internal Wiring & Installation of Pump set at 539/N, Beliati of HDTW Centre :- Supplying & fitting E.I danger board on wall. 20 cm x 30 cm (8" x 12")

M.S. Structural works….less than 22.50kg/m

Meter loop connection with 1.1 K.V. Gr. 3½ core 25 sq. mm. P.V.C insulated & sheathed and armoured cable from Meter to incoming Main Switch/Terminal aluminium cable

Earthing with 50 mm. dia GI pipe 3.64 mm thick × 3.04 mts long and 1 × 4 SWG G.I. (Hot Dip) wire (4 mts. Long), 13 mm dia. × 80 mm. long G.I. bolts, double nuts, double washers including supplying and fixing 15 mm. dia G.I. Pipe protection (1 mt. long) to be filled with bitumen, partly under the ground level and partly above the ground level, driven to an average depth of 3.65 metre below the ground level and restoring the surface duly rammed as below: (For soft soil). i) By ISI-Medium GI pipe

Supplying and fixing earth busbar 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 spacing insulators etc. as required.

Connecting the equipments to earth busbar including supplying and fixing G.I.(Hot Dip) Wire of size as below on wall/floor with stapples buried inside floor/wall as required and making connection to equipments with bolts, nuts, washers, cable, lugs etc. as required and mending good damages. No. 8 SWG

Supplying, and fixing sheet steel Main Switchs on Iron legs on wall 240 Volt D.P. with fuse on L & N, 15/16 Amps Havells. .

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as requiredWiring in 1.1 KV grade single core stranded 'FR' PVC insulated and unsheathed copper wire (approved make) of following sizes PVC casing-caping (Precision make) incl. necy. PVC clips, fittings, etc. 2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC

Distribution wiring in 1.1 KV grade 2x 22/0.3 (1.5 sq mm) single core standard 'FR' PVC insulated and unsheathed copper wire (approved make) in suitable size PVC casing-capping (Precision make) with 1x22/0.3(1.5sqmm)single core standard 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Piano Key type switch fixed on sheet steel fabricated switch board with bakelite/perspex (wall matching colour) top cover 3 mm thick on wall including necessary connections and making earthing attachment and mending good the damages to building works. A) average run 8 mts

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sq mm) single core standard 'FR' PVC insulated and unsheathed copper wire (approved make) in suitable size PVC casing-capping (Precision make) with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC including necy. PVC clips, fittings, etc. to 5A 3 pin flush type plug socket & Piano Key type switch (Anchor make) fixed on steel fabricated M.S. C.R.C.sheet metal (16 SWG) switch board cum J.B on wall including bakelite/perspex (wall matching colour) top cover 3 mm thick flushed in wall by housing the board after cutting brick wall incl. necy. connection making earthing attachment and incl. painting the MS box and mending good the damages to original finish of building works. [PVC casing-capping and plug box both on surface] A) On Board

Angular batten holder…….wall/cutting.

Supplying and fixing bulk head light fitting (Havells make) on wall /ceiling including S&Fsuitable for 100 watt lamp complete with glass wire-guard and holder

Fixing only Iron Clad / Sheet Steel Main switches /Isolators on Iron Legs/Flat Iron Frame/Angle Iron Frame on wall. a) 63 Amps On angle iron frame 500V DP

b) 25 H.P Oil Immersed Starter

Fitting & fixing of Pump Controller (12.5 HP to 25 HP capacity) of size 950 mm x 1000 mm x 450 mm over iron legs (600 mm height) on floor with 150 mm thick Cement Concrete (4:2:1) block and making necessary tion with the electrical cables as per direction of the E.I.C. (excluding cost of Cement Concrete) i) Above 20 HP & UPto 25 HP

Distribution wiring in 1.1 KV single core strandaed 'FR' PVC insulated & unsheathed copper wire (approved make) in 20 mm size PVC rigid conduit 'FR' (precision Make) incl. necy. fittings as required in 2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC in 20 mm Rigid conduit ( Domestic Main Switch Loop connection from pump controller to domestic Main Switch.)

Add @ 3% except I- 57, 58, 69 & 70

Add GST @ 18% :-

Add Cess @1% :-

PART-D:- ESTIMATE FOR PROCUREMENT OF MATERIALS for Renovation of pipe Line at 539/N, Beliati of HDTW Centre :- :- . Supply of 150mm dia C.I Alfa-Alfa valve -nipple type ( Type-C)as per specification (IS 210)

150 mm Nominal size (PD) ISI marked Sluice Valve Pressure Designation P.N. 1.6 with Hand Wheel for water works purpose, C.I. Flange type conforming to IS-14846/2000 with amendment no. 1 & 2. Components/parts of Sluice Valve shallbe manufactured from basic materials given in table-1 of IS-14846/2000 with amendment no. 1 & 2. The Valve shall be tested for (Close End Test) against hydrostatic test requirement.

Nuts & Bolts (G.I) :- Supplying, fitting and fixing the following materials at site - a) 20 mm x 100 mm nuts and bolts having approved standard thread approved make or 16 mm x 80 mm nuts and bolts or as per direction of Engineer-in charge

Supply and delivery of manually operated heavy duty Oil Immersed StarlDelta Starter with 12 Nos fixed & 6 Nos. moving contacts with 3 magnetic over load release with dash pot time lags and under voltage release suitable for use with 380/415 volts, 3 phase, 50 Hz, A.C. supplyand generally conforming to IS: 13947 Part-4 (Sec-l/ 1993for ('BMC' make) 17.5/20 H.P

Supplyand delivery of 'GSC' make Sheet Metal Enclosure 415 volt, 3 Phase,50 Cycles(Hz)with rewireable type T.P. Fuse T.P.N Main V Switch 63 Amp A.C. conforming to IS: 13947 Part-3/1993 .

Supply of 4 inch round projection type Ammeter ( Range 0 - 50/100 amps ) MIAC. Accuracy within ( +/-) 1.5% and conforming to IS : 1248/1968. BMC make.

Supply 4 inch round Projection type Voltmeter (range 0 - 500 Volts), MIAC, Accuracy within ± 1.5% and conforming to IS: 1248/1968.

b) 150 mm dia rubber insertion with standard 8 Nos. drilled hole equally spaced (5 mm thick, reinforcement 2 Ply) as per I.S.I. 638 - 1965

200 mm. dia P.V.C. pipe Class- I ( with a loose matching coupler) marking IS No. 4985/ 1988 with latest amendments with free solvent cement.

140 mm. dia P.V.C. pipe Class- I ( with matching coupler ) marking IS No. 4985/1988 with latest amendments with free solvent cement.

Extra Coupler for 200 mm. dia P.V.C. pipe ( extra) I.S. 10124/1988, Part- II with free solvent cement.

Extra Coupler for 140- mm. dia P.V.C. pipe (extra) I.S 10124/ 1988, Part- II with free solvent cement.

Extra Solvent cement I.S. 14182-1994 with latest amendments

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