Sundarban Affairs Department Tender

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.

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

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

Supplying,dressing & staking at site bamboo pins above 5 c.m diametre & upto 7.5 cm diametre.(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 Jhaw / Eucalyptus bullah piles at work site, including dressing and making one end pointed. Note: Diameter of pile to be measured at a distance of 1.5 m. from the thicker end. i) 125mm av. Diameter

ii) 100 mm av. Diameter

Labour for driving Jhaw / Eucalyptus bullah piles by monkey in all sorts of soil including hoisting and placing piles in position, protecting the pile head with iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles. (ii) 125 mm diameter

Labour for fitting and fixing 10 cm. to 13 cm. diameter Sal-bullah/Eucalyptus-bullah as ties and runners including necessary nails, bolts and nuts.

Coal tarring on wooden surfaces including cost of materials. a) One Coat

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 16 for each addtionals lead of 30 m or part there of beyond the initial lead 30 up to to 90 m. i) upto 45m.

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, (a) Between 500 metre and 1 Km

Supplying,laying ,fitting &fixing R.C.C spun pipes and collers with cement morter (1:3) including fixing the pipes collers with jute,pitch etc. including the cost and carriage of spun pipes at site excluding the cost of collars. a) Spun pipes-300 dia, NP-2 Grade

Supplying RCC spun pipe collars including loading , carriage , unloading at site. a)Collar-300 dia, NP2 Grade

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

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