Repairing of badminton court wooden flooring and allied work at CSIR-NEERI, Nagpur.

Amount

Removing/taking out of existing wooden sports flooring including disposal of unserviceable surplus material and stacking of serviceable material within 1km lead as directed by Engineer-in-Charge.

Refitting of existing wooden sports flooring by necessary screw/nails/adhesive as per the direction of Engineer-in-Charge.

Supply and fixing wooden base bottom made of commercial quality Fir/Spruce/Pine wood runners of 90/70 mm X 45 mm fixed on the bottom side through the two wings at 350 mm c/c as per the direction of Engineer-in-Charge.

Supply of 18 mm thick air-cushioning pads/shock up rubber pads as per the direction of Engineer-in-Charge.

Supply Kiln Seasoned imported Maple wood(Sycamore surface board finished with 21 mm thick 50 to 110 mm width and in random length in tongue and groove shape. The edges of the boards will have a finger lock grove and the bottom side with air pass groove.

Providing and fixing a vapour barrier polythene of ml. (600 micron) thick will be placed on the leveled IPS sub-floor before laying the under frame. The runners having air cell cushioning pads will be placed on the vapour barrier in perfect level at 350 mm clc. in one direction. The surface boards will be screwed to the runners through the tongue only and will lock the screwed tongue by the groove of the adjoining boards. The ends of the boards will be locked by inserting the wooden fingers through the edge grooves and fixed with suitable adhesive. An expansion gap of 8 to 10 mm will be left open between the wooden flooring and the surrounding tiled area/wall.

Polishing, lacqering, grinding the existing wooden sports flooring by manual/mechanical means and game line marking in required colors before applying the finish coat.

Termite treatment under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 (1 cement : 2 Coarse sand)/white cement to match the existing floor : With appropriate chemical emulsion E.C. 20% with 1% concentration.

Altaf Yusuf Khan

N H CONSTRUCTION COMPANY

SANJAY H. AGRAWAL