Irrigation And Waterways Department Tender

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 to site empty cement polythene bags (capacity 50kg) in goodcondition including stacking, incedental charges etc. allcomplete (capacity 50 kg).

Labour charges for filling empty cement gunny bag / polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or agreegates(stone / brick) and sewing as done in case of cement bags ,(tying with a knot after filling will not be accepted ) , and stacking within alead of 30 metre as per direction of Engr-in-charge (cost is excludingthe cost of any types of filling materials). NB:- Volume of earth/ sand filled bags should not be less than 0.028 cum/ bag.

Dumping in position earth / sand filled gunny / poly bags (capacity 50kg) within a lead of 30 metre inclusive of all lifts.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) 25 mm to 30 mm shuttering without staging in foundation

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. River Bazre

Dressing and chilchalling flanks or slope of embankment including filling with earth or cutting upto 150 mm. average thickness and ramming properly after sprinkling water.

Supplying and laying inverted filter media in canal bed, canal slope, weep holes, under C. C. Lining as per drawing including preparation of Subgrade etc . complete as per direction of the Engineer-in-charge With 22.4 mm Down Graded River Bajree

Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in nominal mix proportion 1:1.5:3 (corresponding to M20 Grade) with well graded 20mm down stone metal aggregate, laid in position by casting in alternative panels or otherwise to keep a gap of 12mm between the adjacent units, over a layer of polythene sheet of thickness not less than 100 urn to act as a separator between the bottom surface of the block and the sand cushion / filter material laid below the blocks, including dressing, ramming, shuttering, finishing the exposed surface by trowel without adding any additional cement and sand mortar, curing and filling the gaps between the adjacent units by 5.6mm down coarse aggregate to be compacted properly, with all leads and lifts including supply and carriage of all materials, complete, without the cost of sand cushion /filter. 1.(The rate is exclusive of the cost of stone aggregate and its carriage upto site. Construction wing has to add the cost of same from the SoR of PW (Roads) to derive the consolidated rate. Consumption chart of the USoR may be used for assessing the quantity of coarse aggregates per cum of concrete). Stone aggregates of broken stone of North Bengal varieties.Note: Provisions of the latest Departmental Manual for Lining in irrigation Canals are to be followed, wherever applicable.

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, Beyond 500 metre and upto 1.00 km

Earthwork in re-excavation / silt clearance of drainage channels in all kinds of soil including sludge and slush but excluding slush mixed with industrial wastes, sewage, municipal garbage, carcasses, etc and depositing the same as per profile in proper place as directed by the Engineer-in-charge without causing hindrance to traffic and posing health hazard and making arrangement to maintain the site in workable condition including removal of polypacks, brickbats, stone ballasts & boulders, remnants of bullah & bamboo pins and all kinds of water hyacinth, solid / semi solid compact mass formed due to water hyacinth and burning them to ashes or removing outside Govt land where necessary and removal of thick & thorny jungles upto 30 cm girth including shoring and shuttering, if required, and including initial removal of sludge and slush etc by pan or bucket if required, and making arrangement for bailing out of any seepage water and removal of sand or soil blown from underneath, all complete. (Measurement : Pre-work and Post-work level section. Pre-work section to be taken after removal of water hyacinth and all other floating materials etc.) By manual means within an initial lead of 30 M and an initial lift of 1.50 M