Upgrading of existing Badminton court with Wooden Flooring (AB Grade Maple Floorboard) at Indradhanush club and BTI Hostel at BIT of Lakhanpur Area (1st Retender)

Providing and fixing AB Grade Maple Floorboard with following specification: Rubber Pad 18mm – Pure EPDM, SPF Runners 45mm x 70mm – European SPF Runners, Floorboard 21mm and Finishing Imported Polish as per direction of EIC. TECHNICAL SPECIFICATION: The system should be according to BWF Standards – Grade 1A. The complete wooden flooring should be PASS the test for Shock Absorption, Vertical Deformation and Friction Tests for Indoor Surface for multi-sports use according to the requirements of EN 14904 (06/2006). The Shock Absorption tested by EN 14808:2005 methodology should be between 45% and 50%. The Vertical Deformation tested by EN 14809:2005 methodology should be between 1.0mm and 1.5mm. The Friction tested by EN 13036-4:2011 methodology should be between 94 and 98. The Surface Board: Imported Wood (as per the direction of EIC) surface board finished with 21 mm thick, 50 to 110 mm width and in random length in machined tongue and groove shape on four sides. The boards should have have bottom side with air pass groove. The Under Frame: Made of European Fir/Spruce/Pine wood runners of 70 mm X 45 mm fixed on the bottom side with 18 mm EPDM thick air-cushioning pads by nails through the two wings at 350 mm c/c. The Installation: A vapour barrier should be placed on the levelled 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 c/c in one direction. The surface boards should 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 of brand Pidilite Fevicol SH or equivalent. An expansion gap of 10 to 15 mm will be left open between the wooden flooring and the surrounding tiled area/wall. The Finishing: After construction of the floor will be machine sanded in uniform level and finished with non-skid MATT finish Imported Water Based Lacquer. Game line marking will be carried out in required colors before applying the finish coat.

Providing and placing movable badminton net and pole set comprising standard duty steel poles with suitable base/support arrangement, finished with approved paint/powder coating, complete with standard size badminton net conforming to approved specifications. SPECIFICATION OF MOVABLE NET & POLE FOR BADMINTON COURT: Movable Net & Poles having total weight of approx. 200kg as per BWF standard.

Providing and applying badminton court line marking on wooden flooring using approved, non-slip, wear-resistant paint/tape in accordance International Federation Standard in appropriate colours.Markings shall include all required boundary and service lines with accurate dimensions, uniform thickness, and proper alignment. The work shall be completed after final surface finishing and shall include surface preparation, marking layout, application, and final cleaning.

Removal of existing rubber mat badminton court flooring, including adhesives and fixing materials, complete. Surface to be cleaned and prepared as per direction of EIC.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. For thickness of tiles 10 mm to 25 mm

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (including equivalent design mix)

Supplying chemical emulsion in sealed containers including delivery as specified. Chlorpyriphos/ Lindane emulsifiable concentrate of 20%

Treatment of soil 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) to match the existing floor: With Chlorpyriphos/Lindane E.C. 20% with 1% concentration

Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth 1:1.5:3 (1 Cement: 1.5 coarse sand (zone-Ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)