Sundarban Affairs Department Tender

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, crossdrain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction (b) Where staging is not required

Providing and laying nominal mix Cement concrete (with mix proportion 1:1.5:3) / M-20 grade 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 and reinforcement if any.

Extra over item No.4 as the work is within the riverine area of Sundarban Surrounded by the Bay of Bengal or the rivers like Hooghly, Muriganga, Saptamukhi, Thakuran, Matla, Raimangal, kalindi etc.@ 15% for G-Plot G.P.

Providing and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6% bitumen by weight

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). (a) Where boats are not necessary.

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.)

Drum Sheet Walling 1.40m (av.) high on Sal-bullah /Eucalyptus bullah piling 10 cm dia. and 3.25m long driven 1.75m (av.) below G.L. and 75cm centre tocentre including fitting fixing 3 nos. of half bullahpieces (from 10 cm dia) and drum(empty bitumen)sheet (approved condition) of height 1.5m , cuttingand straightening drum sheet (each joint must have lap length of min.50mm) including cost of necessarynails, bolts, nuts etc. and providing 2 to 3m long halfbullah ties of 10cm dia. @ 2.25 m centre to centrefixed with 10 cm dia. bullah posts driven 1.5m below G.L. including cost of all materials and one coat of coal tarring to all bullah etc. complete as perdirection.

Extra over item No.5 as the work is within the riverine area of Sundarban Surrounded by the Bay of Bengal or the rivers like Hooghly, Muriganga, Saptamukhi, Thakuran, Matla, Raimangal, kalindi etc.@ 20% for G-Plot G.P.

Supplying of empty cement polythene 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.

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.

Extra rate for earth work in item no 12 a) for each addtionals lead of 30 m or part there of beyond the initial lead 30 up. a) one extra lead.

b) Two extra lead

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. C) Beyond 2.00 km and upto 3.00 km

Fine dressing and making the crest to correct camber and grade by cutting and filling earth where necessary including extra earth.

Construction Sign Board with 0.45 x 0.60 m ( height ) granite slab of 15-18 mm th Engraving the lettering over it as directed by the E.I.C fitting and fixing complete over brick masonary ( with 4:1 cement morter ) platform covered with 4:1 sand-cement plaster with neat cement punning all complete as per direction & design supplied by the E.I.C

Add 18% for GST

Add 1% Cess