Repairing and Renovation of School Building for Navin Kurli Vasahat Tal Kankavali, Dist Sindhudurg

Item No. :- 1 Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area.

Item No. :- 2 Removing G.I.or A.C.sheet roofing including purlins, principal rafters etc.including sorting serviceable and unserviceable materials, stacking the same as and where directed in the compound including scaffolding etc. complete.

Item No. :- 3 Providing and fixing colour coated Zincalume ( R ) AZ150 ( min 150 gms/sq.mt. total on each side ) profiled sheets for roofing. The feed material is manufactured out of nominal 0.45 mm Base Metal Thickness ( BMT ) (0.5 mm TCT ), Hi-strength steel with min.550 MPa yield strength, metallic hot dip coated with Aluminium-Zinc alloy (55% aluminium 43.4% zinc 1.6% silicon) with COLORBOND ( R ) steel quality super durable polyester paint coat ( with inorganic pigment). The paint shall have a total coating thickness of nominal 35 um, comprising of nominal 25 um exterior coat on top surface and nominal 10 um reverse coat on back surface. Profile sheet shall have nom. 950- 1050 mm effective cover width and nominal 25-30 mm deep ribs with subtle square fluting in the five pan at nominal 180-250 mm center- to-center. The end rib shall be designed for anti-capillary groove. and return leg. The feed material should have coil manufacturers product details marked a regular interval. Including fasteners with min. fastened with min. 25 um Zinc-Tin alloy coated, Hex head, self-drilling screw etc. complete. (weight of profile 4.52 Kilogram/ One Square Metre)

Item No. :- 4 Providing and fixing plainzinc sheeting of 0.80mm thick (22B.W.G.) over the ridge hip or valley to galvanized iron sheet roofing including all fastening and bolt galvanised iron screws and bolts, lead and bitumen washers etc. complete.(Weight of 6.8 Kilogram/sq.m.).

Item No. :- 5 Providing and fixing valley gutter of 22 B.W.G. (0.8 mm) plain galvanised iron sheets 90 cm wide with teak wood planking 20 mm thick including two coats of coal-tarring the upper surface of plank etc. complete. (excluding painting to underside of plank).

Item No. :- 6 Removing doors and windows with frames and stacking the materials as directed with all leads, lifts etc. complete.

Item No. :- 7 Removing ventilators and small windows with frame and stacking the materials with all leads, lifts etc. complete.

Item No. :- 8 Dismantling stone masonry in lime or cement mortar including stacking the materils as directed with all leads, lifts etc.

Item No. :- 9 Removing cement tiles, or marble or polished shahabad floor or dado without bed concrete including stacking the materials as directed with all leads, lifts etc. complete

Item No. :- 10 Providing and fixing mild steel grill work for windows, ventilators, etc. 15 Kilogram/ One Square Metre as per drawing including fixtures necessary welding and painting with one coat of anticorrosive paint and two coats of oil painting complete.