GENERAL-Well sanitation and Recharge project -Conversion of Public Well in to Protected & Sustainable Drinking Water Source - Plan Proposal in Wayanad Dist. 2024-2025-KRWSA-General CivilWork - Filter unit 2 Supplying, sieving, stacking and spreading 40mm broken stone in the gallery trenches as per standard norms including cost of all materials. 3 Supplying, sieving, stacking and spreading 20mm to 12.5mm broken stone in the gallery trenches as per standard norms including cost of all materials. 4 Supplying, sieving, stacking and spreading 10mm to 6mm broken stone in the gallerytrenches as per standard norms including cost of all materials 5 Supplying and fixing 1m inner dia & 1m height 5cm thick precast RCCfiltermedia chamber and suitably fix it over the platform and making the jointingportion water tight and filling with filter media as per the attached drawing etc 6 Supply stacking and spreading charcoal/burned coconut shell including cost of all materials and labour charges 7 PLUMPING SYSTEM 8 Supply and fixing of square gutter pipe with 160 mm PVC 6kg/cm2 at the edge of thesloped roof including all clamping/ welding clamps for holding the gutter pipes in theposition etc including cost of all specials, end closures, tees and labour charges etccomplete.<br> 9 Excavating trenches of required width for pipes, cables, etc., including excavation forsockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, includinggetting out the excavated soil, and then returning the soil as required, in layers notexceeding 20cm in depth, including consolidating each deposited layer by ramming,watering, etc., and disposing of surplus excavated soil as directed, within a lead of50m, in all kinds of soil. 10 Supply and Fixing 90 mm PVC 6kg/cm2 down pipe from the gutter pipe alreadyfixed in position up to the filter pit including all clamping/ welding clamps for holdingthe down pipes in the position etc including cost of all specials, end closures, tees andlabour charges etc complete.<br> 11 Supply and Fixing 75 mm PVC 6kg/cm2 down pipe from the gutter pipe alreadyfixed in position up to the filter pit including all clamping/ welding clamps for holdingthe down pipes in the position etc including cost of all specials, end closures, tees andlabour charges etc complete.<br> 12 Supply and Fixing 63 mm PVC 6kg/cm2 from filter unit to wellbottom<br> 13 supply and fixing 90 mm pvc valve 14 Providing and fixing double scaffolding system (cup lock type) on the exterior side,upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre,horizontal & vertical tubes joining with cup & lock system with M.S. tubes,M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding forworking platform etc. and maintaining it in a serviceable condition for the requiredduration as approved and removing it there after. The scaffolding system shall bestiffened with bracings, runners, connection with the building etc wherever requiredfor inspection of work at required location with essential safety features for theworkmen etc. complete as per directions and approval of Engineer- in Charge. Theelevational area of the scaffolding shall be measured for payment purpose. Thepayment will be made once irrespective of duration of scaffolding. Note:- This item tobe used for maintenance work judicially, necessary deduction for scaffolding in theexisting item to be done . 15 Repair and maintenance for well and other 16 Earth work in excavation by mechanical means (Hydraulic excavator) /manual meansin 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 up to 1.5 m, including gettingout the excavated soil and disposal of surplus excavated soil as directed, within a leadof 50 m.All kinds of soil 17 Clearing grass and removal of the rubbish up to a distance of 50 m outside theperiphery of the area cleared. 18 Solid block masonry using pre cast solid blocks (Factory made) of size 40x20x20cmor nearest available size confirming to IS 2185 Part I of 1979 for super structure abovefloor two level up to floor V level thickness 20cm and above in: CM 1:6 ( 1 cement :6coarse sand) etc complete 19 12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand) 20 Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters andunder, including cutting the patch in proper shape, raking out joints and preparing andplastering the surface of the walls complete, including disposal of rubbish to thedumping ground within 50 meters lead:Cement mortar 1:4 ( 1 cement: 4 coarse sand) 21 Centering and shuttering including strutting, etc. and removal of form for:Wellsteining 22 Providing and laying in position cement concrete of specified grade excluding the costof centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarsesand : 6 graded stone aggregate 20 mm nominal size) 23 White washing with lime to give an even shade:New work (three or more coats) 24 Wall painting with acrylic emulsion paint of approved brand and manufacture to givean even shade:Two or more coats on new work 25 Painting G.I pipes and fittings with synthetic enamel white paint with two coats over aready mixed priming coat, both of approved quality for new work:32 mm diameterpipe 26 Painting G.I pipes and fittings with synthetic enamel white paint with two coats over aready mixed priming coat, both of approved quality for new work:40 mm diameterpipe 27 Painting G.I pipes and fittings with synthetic enamel white paint with two coats over aready mixed priming coat, both of approved quality for new work:50 mm diameterpipe 28 Item Shifted to Sub head 14 as item 14.73Item Shifted to head 14 as item 14.74Steel work welded in built up sections/framed work, including cutting, hoisting, fixingin position and applying a priming coat of approved steel primer using structural steeletc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates andsimilar works 29 Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed withpolymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I.limpet washers or with G.I. limpet washers filled with white lead, including a coat ofapproved steel primer and two coats of approved paint on overlapping of sheetscomplete ( up to any pitch in horizontal / vertical or curved surfaces), excluding thecost of purlins, rafters and trusses and including cutting to size and shape whereverrequired.0.63 mm thick with zinc coating not less than 275 gm/m2 30 Finishing with Epoxy paint (two or more coats) at all locations prepared and applied asper manufacturers specifications including appropriate priming coat, preparationof surface, etc. complete.On steel w 31 Name board
