REPAIRS TO POLYURETHANE JOINT FILLING AND CRACKS

Amount

Racking out extsting joints , width of joints exc 10 mm but not exceeding 15mm and depth of joints exc 15 mm but n exc. 25 mm deep of slabs of pavements for removing old damaged sealent from joints cleaning the surfaces by means of air compressor or vaccum cleaner and M&L for joint filling with Polyurethane sealent conforming to BS - 5212 (Type FB) after applying primer and masking tape on front edge of joints to prevent accidental spillage of sealent on top surfaces and to give a neat finish to the sealent, including required back up rod and removing masking tape after sealent has been applied complete all as specified and directed by Engr-in-charge. Note: Minimum depth of sealent should not be less than 15mm

Racking out existing Joints, width of joints exc 15mm but n.exc 25 mm wide and depth n exc. 20 mm but n.exc 30mm deep of slabs of pavements for removing old damaged sealent from joints cleaning the surfaces by means of air compressor or vaccum cleaner and M&L for joint filling with Polyurethane sealent conforming to BS - 5212 (Type FB) after applying primer and masking tape on front edge of joints to prevent accidental spillage of sealent on top surfaces and to give a neat finish to the sealent, including required back up rod and removing masking tape after sealent has been applied complete all as specified and directed by Engr-in-charge. Note: Minimum depth of sealant should be not less than 18mm.

M&L for preparation of damaged / broken concrete pavement slab surfaces of area exceeding 0.50 sqm (width should not be less than 75mm) by cutting edges of cracks vertically at least 25 mm average depth (minimum depth should not be less than 20mm) with the help of concrete cutter machine and cleaning the surface by electrical blower (with DC supply) to receive the Epoxy mortar and applying the epoxy mortar over a coat of approved primer on the prepared damaged / broken portion including finishing even & smooth surfaces to match with the top & vertical surfaces complete all as specified and directed by Engr-in-charge.

M&L for Elastomeric compound on runway / dispersal / taxi track etc all as per following specifications :- (a) Cutting / chipping of existing concrete 75mm wide and 30mm deep with concrete cutter in proper alignment, removing all loose concrete/dust etc by air blower and carefully cleaning the sufraces as directed to receive new concrete material. b) Applying primer to old concrete surfaces with using pump sprayer or brush covering all the area as directed. The primer shall be allowed to dry before pouring the Elastomeric compound. (c) Pouring of Elastomeric compound (as approved by Garrisson Engineer) mixed with all ingradlents as per manufacturer's instructions and pouring the mix in the affected area trowelled to achieve grooved or textured finish including all necessary form work complete all as specified and directed by Engr-in-charge.

Om Construction

BSK Construction

NEW GURBINDER INDUSTRIES

M/s Kirti Enterprises

SHAILENDRA B TULSANI