Reconstruction of damaged sluice culvert on Demow bund Left bank from Demow Chariali to Dhai ali at 5th km Kaliapani Budhghat area.

Amount

Dismantling Brick/Tile Work :- Dismantling of existing structures like culverts, bridges, retaining walls and other structures comprising of brick masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (b) Cement mortar

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. II. By Mechanical Means a) Cement Concrete

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. 2.8.1 All kinds of soil.

Earth work in filling by mechanical means by deploying hydraulic excavator and trippers etc. including ramming with locally available ordinary soil excluding rocky soil with all lead and lift, transporting to site, spreading, dressing as per design section including ploughing or roughening or benching the seats, removing all debris, breaking clods up to 2.5 cm cube, etc. complete as directed. (12.5 % deduction will be made from the section measured quantities of the completed and compacted earth work on account of shrinkage) For initial lead up to 1 Km and for all lifts

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) a) In prop 1 cement: 3 sand :6 coarse aggregate by volume

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping etc. and removal of form for Suspended floors, roofs, landings, balconies and access platform

Collection and supply of broken stone metal of size 20 mm to 38 mm from hard blasted rock from Bihubor quarry free from dust, dirt and other foreign materials screening properly, stacking in suitable stacks at work site, payment of forest royalty monopoly,etc. complete as directed.

Collection and supply of one man size river boulder 23cm to 30cm from approved quarry including necessary carriage, handling, loading, unloading at site of work or at a places as directed including payment of forest royalty sales tax monopoly charges etc. if any complete as directed.

Labour charge for laying and pitching boulder of 23 cm to 30 cm size (man size) including dressing the seat, ramming to proper size & slope, properly hand packed including site carriage of boulder from stacks within a distance of 150m etc. complete as directed. Without boat

Labour charge for making filter bed of required thickness with stone metal of size 13mm to 38mm over the trimmed surface of river bank/embankment., slope, including site carriage of metal within a distance of 150m etc. complete as directed . Without boat

Labour for driving precast R.C.C. sheet pile of required length with jetting method, jetting being done with the help of G.I. pipe fitted to the delivery pipe of 5 H.P. pump, erection at the pile in proper position, piles with the help of mannual labour keeping the pile head to the proper level including supplying, mobilising all machineries etc. complete as directed.

Providing C. C. Column (Prop 1:2:4 or M15) at the junction of two R.C.C. sheet piles with mild steel pipe of 10 cm internal diameter one end of which is open and the other end being fitted with a one way valve including driving the steel pipe by jetting water in the proper position (jetting done with the help of G.I. pipe 40mm, position of the steel pipe with the inside the M. S. pipe & lifting the pipe slowly thereby leaving the concrete in the form of a column of required depth including supplying and mobilizing all machineries etc. complete as directed. Size of Column=10 CM dia.

Supply of Ordinary / unskilled labour for miscelleneous works

MECHANICAL PART : Supplying, fitting and fixing in position counter weight type steel gate and other accessories as per design and drawing A. Fabrication of shutter :- M.S. Plate 6 mm thickness for skin plate,frame for box type shutter

M.S. Channel 150 x 75 x 6mm for shutter stiffener

M.S. Plate 10 mm for making Bracket for shaft pin, wire rope, Roller box etc.

M.S. Flat 50 x 6 mm for rubber seal fitting.

M.S. Angle 75 x 75 x 6mm

"J" type Rubber seal 125 mm

Making & supply of C.I. roller with suitable collar 10 -12 mm & centre hole 10 - 20 mm as per direction (Machine finished), size (dia. × height) a) 100 mm × 150 mm

F' shaped roller bracket made of 10 mm thick plate of size 75 × 200 mm with hole as per direction to accommodate with the roller size: (Machine finished) a) 100 mm × 150 mm

C.I. roller pin of length 150 mm to 250 mm dia. (Machine finished) a) 16 mm

Nuts & Bolts (Assorted size)

M.S. Washer (Assorted size)

W.B. Grease

Waste Cotton

Welding

B. Fabrication of operating and lifting system for the single opening sluice :- Supply of M.S. Shaft (Best quality) of diameter d) 75 mm

Thread cutting (Square) 1 TPI/2TPI including fine finishing and making hole in one end as per direction for sizes as given below d) 75 mm

C.I. Boss with internal thread cutting 1 TPI/2 TPI, making groove for bearing slot for lock plate and 1.5" drill for providing handle as per direction for the following sizes: (dia. × height) c) 150 mm × 200 mm

H.D. Thrust ball bearing (Best quality) ISI specified c) 75 mm dia.

C.I. counter weight circular type 1.5" thick with 25 mm dia. hole & weight of 35 Kg each as per direction (machine finished & fine grinded)

Counter weight holder

C.I pulley 16 mm to 25 mm dia. with centre hole as per direction (Machine finished) a) 125 mm

C.I. Pulley b) 150 mm

M.S. base plate 300 mm × 300 mm of the following thickness as per direction including supply of materials. (Machine finished) a) 10 mm

M.S. lock plate 300 mm × 300 mm of the following thickness as per direction including supply of materials. (Machine finished) a) 8mm

Nuts & Bolts (Assorted size)

M.S. Washer (Assorted size)

Pulley stand made of 100 × 50 mm channel for (As per direction) a) 125 mm

Pulley pin of 16 mm dia.

Steel wire rope (Tested quality) of the following sizes (ISI standard) b) 19 mm

"U" clamp of size b) 19mm

Shaft pin with length up to 150 mm for the following diameters c) 20 mm dia

Distant tube with pin of the following size (Machine finished) b) 100 × 12 mm

Welding

C. Fabricating and Installing of Guide channel, Top and Bottom channel for sluice :- Channel size 200 X 75 mm for guide instalation.

200 X 75 mm channel for bottom channel.

Separator stud with nut on both end with tube of length 250 mm to 460 mm

M.S. Plate 10mm for guide channel base connection

M.S. Angle 75 x 75 x 6mm for anchoring.

Nuts & Bolts (Assorted size)

C.I pulley 16 mm to 25 mm dia. with centre hole as per direction (Machine finished) a) 125 mm

Welding

D. Fabrication of the Plateform and Gateway :- Size : 1.70m X 5.50m M.S. Plate 10 mm.

M.S. Angle 75 x 50 x 6mm for cross bar , railing (4 nos. of railing each side).

M.S. Angle 75 x 75 x 6mm for post support etc.

M.S. Channel 200 x 75mm, for support bar.

M.S. Channel 100 x 50mm, for support bar.

M.S. Channel 100 x 50, for support bar.

M.S. Channel 100 x 75mm, for ladder

M.S. Angle 75 x 75 x 6mm for steps of ladder.

M.S. Angle 50 x 50 x 6mm for raling of ladder.

Welding

E.Items for Commissioning of the work :- W.B. Grease

Nuts & Bolts (3/8",5/8",7/8")

M.S. Washer

Transportation expenditure for carrying 2 Nos. of sluice gate shutters, guide channel and other sluice gate materials to site and vice versa including P.O.L expenditure and labour charge by a 10 MT truck. Hire charges of diesel trucks with driver and helper but excluding fuel and lubricant. (c) 10 Ton Capacity

Supply of POL i) Diesel,

Supply of POL ii)Lubricant

Labour required for guide channel plastering and clearing fitting etc. Ordinary labour = 5 Nos. per day, Considering 4 days for completing the work.

Applying priming coat : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works.

Applying priming coat : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work