REPAIRS TO FLEXIBLE AND RIGID PORTION OF RUNWAY, DISPERSAL, CRACK REPAIR AND JOINT FILLING UNDER GE (AF) LOHEGAONAT 2 WING AIRFORCE STATION PUNE

Amount

Racking out extg. Joints , width of joints upto 30mm deep and 30mm wide or vice versa of joints in slabs of pavements,removing old damaged sealant from joints cleaning the surfaces by means of air compressor or vacuum cleaner and M&L for joint filling with Grade 'B' Sealing compound after applying masking tape on front edge of joints to prevent accidental spillage of sealant on top surfaces and to give a neat finish to the sealant, including required back up rod and removing masking tape after sealant has been applied all as specified and as directed at site, all as directed. Note: Minimum depth of sealant should not be less than 18 mm

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

Racking out extg. Joints , width of joints exc 15mm but n exc. 30 mm wide and depth of joints exc 20 mm but n exc. 30 mm deep of slabs of pavements for removing old damaged sealant from joints cleaning the surfaces by means of air compressor or vacuum cleaner and M&L for joint filling with polyurethene sealant conforming to BS - 5212 (type FB) after applying primer and masking tape on front edge of joints to prevent accidental spillage of sealant 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 all as specified and as directed at site, all as directed. Note: Minimum depth of sealant should not be less than 18 mm

M&L for Elastomeric compound -Flexo patch on runway/ dispersal/ taxi track etc all as per following specifications and as directed by Engr-in-Charge :- (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, mixed with all ingredients 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 all as directed and specified.

R K SINGH AND CO (BID ID -3159657)