Minor Maintenance Works At The Renovated Etd Pilot Plant Site At Csir-Niist Campus, Trivandrum; 1 DISMANTLING AND DEMOLISHING: 2 Dismantling roofing including ridges,hips,valleys and gutters etc and stacking the material within 50 metres lead of: G.S.Sheet 3 Supplying ofUNSKILLED LABOURS such as collie,beldar,bhisti etc for carry out of various petty/minor works - Cost including labour charge all tools & plants whenever required for complete the job as directed by the Engineer-in-charge.Un skilled labour 4 MASONARY 5 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level - 1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) 6 Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15 degree landings, balconies, sheleves, chajjas, lintels, bands, plain window sills, staircases and spiral staircases upto floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size) 7 Centering and shuttering including strutting, propping etc and removal of form for: Foundations, footings, base of columns etc for mass concrete 8 Steel reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete above plinth level - Thermo-Mechanically Treated bars 9 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :Cement mortar 1:6 (1 cement : 6 coarse sand) 10 External wall plastering of 15mm cement plaster of mix 1:6 (1 cement : 6 coarse sand) 11 INTERLOCK & FENCING 12 Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost). 13 Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge - Made of G.I. wire of dia. 4 mm, PVC coated to achieve outer dia not less than 5 mm in required colour and shade 14 Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes 15 PLUMBING & FINISHING 16 Providing and fixing Polyvinyl Chloride (PVC) pipes, cor watersupply, including all PVC plain & brass threaded fittings, i/c fixing the pipe with clamps at 1.00m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer in charge - Internal work - Exposed on walls 17 25mm nominal outer dia pipes (T) 18 32mm nominal outer dia pipes (T) 19 Providing and fixing brass bib cock of approved quality :15 mm nominal bore 20 Providing and fixing Rain water gutter pipe 160mm width using G.I. bracket including necessary accesssories such as stop end, stop end drop etc. Complete as per direction of Engineer-in-charge 21 Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade Old work (one or more coats applied @ 0.83 ltr/10 sqm). 22 Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete