Repairing and maintenance of 561_N Singadanga HDTW Scheme at Mouza-Singadanga, Block-Karimpur_II in the District of Nadia under the Executive Engineer (AI) Krishnagar_I (AI) Division under Core_Sector Program for the Financial Year 2025_26

Repairing & Maintenance of Spout Chamber

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.

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 15cm including watering, ramming etc. layer by layer complete . a) With earth obtained from excavation of foundation.

Filling in foundation or plinth by silver 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)

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and fitting joints with powdered earth or 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

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).

Plaster (to wall, floor, ceiling etc.) with sand and cement morter including rounding off or chamfering corners as directed and raking out joints or roughening of concrete surfece, including throating, nosing and drip course wherer necessary (Gr Flr) a) With (6:1) cement mortar I) 15mm thick plaster.

a) With (6:1) cement mortar II)20 mm thick plaster.

a) With (4:1) cement mortar I) 10mm thick plaster.

Neat cement punning about 1.5mm thick in wall dado, window, sills, floor, drain etc.

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. except 1.01, 1.02 & 1.03

Add.- G.S.T. @ 18.0% over Rs. 9,092.74

Add.- L. W. Cess @ 1.0% over Rs. 10,729.43

Repairing & Maintenance of PVC Line

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.)

Repairing of T.P./N.T.P./Alfa Alfa Valve with required wedge, spindle, top cover plate etc. (to be supplied departmentally) including machining, boring and painting etc. as per direction of the Engineer-in-Charge. 150 mm nominal size

Repairing of Sluice Valve with required wedge, spindle, catcher, top cover plate etc. (to be supplied departmentally) including fitting fixing as per direction of Engineer-in-Charge. 150 mm nominal size

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.

Taking out the condemmed 150 mm dia. N.T.P. / T.P. / Alfa-Alfa valve from 150 mm dia. M.S./G.I. pipe of existing spout chamber by careful chiseling with least disburbance to the existing 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 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 Engineer-in-Charge.

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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. (ii) 160 mm x140 mm. P.V.C. Reducer

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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. (iv) 200 mm x 200 mm x 200 mm. P.V.C. Tee

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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. (iv)140 mm X 140 mm X 160 mm. PVC.Tee

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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. (ix) 140 mm. dia. 90°/60° & 45° long bend

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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. x) 200 mm. dia 90°/60°/45° long bend

Labour charge for replacement of different PVC. Accessories in different portion of PVC. Pipeline of HDTW / MDTW / 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. (xiv) 160 mm. dia. flanged tail piece fitted with Alfa-Alfa valve

Repair of puncture/holes of any size in existing PVC. Pipeline of HDTW/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) (iii) 140 mm dia. PVC. 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. 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 200/140/110 mm dia PVC Pipe

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. Except 2.01 & 2.02

Add.- G.S.T. @ 18.0% over Rs. 1,27,834.06

Add.- L. W. Cess @ 1.0% over Rs. 1,50,844.19

Supply of Materials

Supplying, fitting & fixing Bolts with Nuts & washer i) 10-16mm dia a) Length upto 75mm

Supply of 5 mm thick Rubber insertion for raised surface of flange as per IS:6392/1971, made from white rubber sheet reinforced with 2 ply cotton fabric without holes as per IS:638/1979 with latest ammendmnet if any with ISI marked suitable for ISI marked MS flange (Table-5,11,17) f) 150 mm dia rubber insertion with standard drilled holes (5mm thick)

UPVCPipes ISI marked- IS4985 200 mm dia. PVC pipe with coupler, Class-I

UPVCPipes ISI marked- IS4985 140 mm dia. PVC pipe with coupler, Class-I

UPVCPipes ISI marked- IS4985 160 mm dia. PVC pipe with coupler, Class-II

Supply of UPVC Fittings ISI marked - IS 10124, FTP- 200 mm dia (12 mm thick)

Supply of UPVC Fittings ISI marked - IS 10124, FTP- 160 mm dia. (12 mm thick)

Supply of UPVC Fittings ISI marked - IS 10124, Bend- 200 mm dia. 90 ° PVC long bend

Supply of UPVC Fittings ISI marked - IS 10124, Bend- 140 mm dia. 60 ° PVC long bend

Supply of UPVC Fittings ISI marked - IS 10124 200 mm X 200 mm X 200 mm. P.V.C. Tee

Supply of UPVC Fittings ISI marked - IS 10124 140 mm X 140 mm X 140 mm. P.V.C. Tee

Supply of UPVC Fittings ISI marked - IS 10124 200 mm dia. PVC extra coupler

Supply of UPVC Fittings ISI marked - IS 10124 160 mm dia. PVC extra coupler

Supply of UPVC Fittings ISI marked - IS 10124 140 mm dia. PVC extra coupler

Solvent Cement

Repairing of Pump House

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.

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.

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and fitting joints with powdered earth or 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

Plaster (to wall, floor, ceiling etc.) with sand and cement morter including rounding off or chamfering corners as directed and raking out joints or roughening of concrete surfece, including throating, nosing and drip course wherer necessary (Gr Flr) a) With (6:1) cement mortar I) 15mm thick plaster.

a) With (4:1) cement mortar I) 10mm thick plaster.

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.

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 : With other than hi-gloss of approved quality- (a) On Steel surface : With other than hi-gloss of approved quality- (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. B) UPVC Pipe (a) 75 mm

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

Extra rate allowed over schedule rates @3 % for construction of pump house of STW/LDTW considering remote places, away from town except Sl. No.- 4.01, 4.02, 4.03

Add.- G.S.T. @ 18.0% over Rs. 14,189.67

Add.- L. W. Cess @ 1.0% over Rs. 16,743.81

PART-E : Construction of Display Board to be fitted near Scheme

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.

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and fitting joints with powdered earth or 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

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, 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 etc. I) For structural members of specified sections weighing less than 22.5 Kg./m [structural frame should made with minimum 25 mm X 25 mm X 5 mm th. M.S. angles with necessary joints]

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. including using of approved putty etc. on the surface, if necessary : With other than hi-gloss of approved quality- (a) On Steel surface : With other than hi-gloss of approved quality- (iv) Two coats (with any shade except white)

Painting block letters or digits in Black Japan or any approved paint as per direction. b) Size above 2.5 cm. and upto 4 cm.

Painting block letters or digits in Black Japan or any approved paint as per direction. c) Size above 4 cm. and upto 5 cm.

Supplying, fitting and fixing G.I. pipes of TATA make with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, long screw, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required, jointing materials and two coats of painting with approved paint 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. Payment for painting will be made seperately) (A) For Exposed Work- (f)(ii) 50 mm dia. medium quality

Extra rate allowed over schedule rates @3 % for construction of pump house of STW/LDTW considering remote places, away from town except Sl. No.- 5.01, 5.02, 5.03

Add.- G.S.T. @ 18.0% over Rs. 17,648.33

Add.- L. W. Cess @ 1.0% over Rs. 20,825.03

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