Sundarban Affairs Department Tender

Supplying / Replacing Gun Metal Bush for screw gearing arrangement required for hanging arrangement of draw shutter and fitting & fixing with the screw gearing arrangement for operating the draw shutter by taking out the old screw gearing arrangement and Gun Metal bush etc. complete as per direction of the Engineer-in-charge. (The old materials to be returned to Departmental Godown.) (a) 50 mm. dia

Supplying / Replacing Gear rod by a new Mild Steel Gear rod, threaded length as required and fitting, fixing in position with screw gearing arrangement for operating the draw shutter including taking out old gear rod by cutting bolts etc. complete as per direction of the Engineer-in-charge. (The old materials to be returned to Departmental Godown.) (a) 50 mm. dia.

Supplying, fitting & fixing in position rubber seal arrangements with musical note harmonic 'J' type for making water tight in both up and down stream of draw shutter as well as flap shutter including guide paths, additional M. S. flats, bolts and nuts for fixing the rubber seal in position including fabrication cost and carriage of all materials to site and complete as per direction of the Engineer-incharge. (b) Musical Note, Harmonic Type (i) 59 mm x 6 mm

(ii) 127 mm x 6 mm

Supplying / Replacing at site new pedestal or other similar items for sluices made with Mild Steel plates, angles, channels, holding down nuts & bolts etc. including fitting, fixing in position in concrete or masonry complete as per direction of the Engineer - in -charge.

Supplying fitting & fixing Cast Iron base plate of required size with necessary drilled holes of required dia. and number for fixing with the top runner and one number hole at the center of required dia. for screw rod duly threaded with necessary grooving for easy roller grip arrangement by 13 mm dia. high carbon steel balls in both Gun Metal or other bushes & base plate etc & providing with required bolts and nuts (Mild Steel) 16 mm dia & 100 mm long and one suitable screw as key, complete including painting with two coats of red lead primer.

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] (ii) With 1:3 cement mortar (a) 15mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:- Cement 0.152 cu.m per 100 sq.m.

Providing and laying nominal mix Cement concrete (with mix proportion 1:1½:3) / with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm of Pakur or other approved variety including Screening and cleaning of aggregates, if necessary, both of approved quality and cement, as necessary, compacting by vibrator or other suitable means, cost of curing with water, cost for quality control, sampling, testing etc. and including placing a Separation membrane of impermeable PVC sheet 125 micron thick transparent or white in colour laid flat with minimum creases. Before placing the separation membrane, the sub-base shall be swept clean of all the extraneous materials. Wherever overlap of plastic sheets is necessary, the same shall be at least 300 mm and any damaged sheathing shall be replaced at the Contractor's cost. Including carriage of all materials to site but excluding the cost of staging, shuttering and reinforcement if any.

Making filter with well graded 40 mm down ballasts and laying uniformly behind weep holes, below pitching on bed, side slopes including supply and carriage of all materials to site including preparing bed with earthwork up to 30 cm depth, where necessary and compacting with wooden malllet after laying to achieve designed section as per direction of the Engineer- in - Charge (measurements will be on finished work / in stack after deducting necessary void) (a) Jhama ballast

Labour charges for collecting or taking out displaced cement concrete or brick blocks of all sizes from slope, bed or apron and relaying the same in canal bed or slopes including clearing, dressing, ramming and preparing bed with necessary earthwork complete within a lead of 200 metre and all lifts complete.

Providing and laying pre-cast brick block pitching of required size (53 Cm. x 53 Cm, x 25 Cm. or as directed by the Engineer-in-charge ) with 1st class kiln burnt bricks in cement mortar including flush pointing on all faces except exposed face which to be plastered with 19 m.m. thick cement plaster, curing, dressing, ramming & preparing subgrade in slopes & bed complete with necessary earth work not exceeding 300 mm in depth with all leads & lifts including cost of all materials / blocks up to site by all means of transport. The gap between adjacent blocks will not be more than 10 m.m. (Sand, cement mortar mix for making blocks, pointing & plastering is1:4)

Supplying, dressing and stacking at site bamboo pins above 5 cm. diameter and upto 7.5 cm. diameter. (DIa. to be measured at mid length).

Driving bamboo pins in standing or flowing water including scaffolding and driving appliances. A) where boats are not necessary

Supplying, fitting and fixing with iron nails half split bamboo wailing pieces (av. dia. of bamboo not less than 5.0 cm.)

Supplying empty Cement bags in good condition

Filling empty Cement bags with dry earth or sand, stitching the bag (cost of thread included) and carrying and placing them in position and all incidental charges complete but excluding cost of filling materials, (Earth or sand) and gunny bags.

Removing earth / sand filled poly bags / gunny bags from the channel bed / slope and initially depositing the same near channel bank at a place as directed by the Engineer-in-Charge for measurement of Bag & then disposing off the same at a distance not less than 150 metre from the channel site.

Taking out bamboo wailing pieces after removing iron nails and stacking the same within 150 metre from the site of work. (a) Where boats are not necessary

Earthwork from borrow pits over existing embankment or for repairs to embankment, closing breaches etc. within an initial lead of 30 metre and lift of 1.50 metre including breaking clods and depositing the same in layers not exceeding 25 cm. and rough dressing etc. complete as per profile.

Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per profile including supply and transporting the earth by truck or tractor or any other mechanical means on land , including loading, transporting, unloading and stacking with all lifts bothways and head load where necessary and depositing the same on embankments, clannels, filling depressions in requisite profile, levelling as per direction of the Engineer-in-charge within a lead of, NB :- Measurement to be taken on the basis of stack measurement / prepost work section measurement after deduction of void as per norms. No extra payment will be made for stacking. A) Beyond 500 metre and upto 1.00 km

Add GST @ 18% (CGST+SGST)

Labour Welfare Cess @ 1%