REPAIRS TO FLEXIBLE AND RIGID PORTION OF RUNWAY, DISPERSAL, CRACK REPAIR AND JOINT FILLING, LEVELLING OF SHOULDERS OF RUNWAY, TAXI TRACKS, SAND/SOIL FILLING AND CLEARING AND REPAIR OF MONSOON DRAINS ON RUNWAY UNDER GE (AF) LOHEGAON AT AIRFORCE STATIO

Racking out extg. Joints , width of joints upto 30mm deep and puto 30 mm wide or wise versa of joints in slabs of pavements,removing old damaged sealent from joints cleaning the surfaces by means of air compressor or vaccum 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 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 all as specified and as directed at site, all as directed. Note: Minimum depth of sealent 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 sealent from joints cleaning the surfaces by means of air compressor or vaccum cleaner and M&L for joint filling with polyurethene 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 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 sealent from joints cleaning the surfaces by means of air compressor or vaccum cleaner and M&L for joint filling with polyurethene 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 all as specified and as directed at site, all as directed. Note: Minimum depth of sealent 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. Make of Primer = RDL 942 or equivalent. The primer shall be allowed to dry before pouring the Elastomeric compound. (c) Pouring of Elastomeric compound manufactured by M/s Choksey or equivalent (as approved by Garrisson Engineer) mixed with all ingradients 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.

Surface excavation in hard dense soil n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out

Excavating over areas, in hard dense soil n exc 1.5 m deep and getting out

Returning, filling in material received from excavation, including spreading, levelling, watering and well ramming/rollin with roller in layers not exc 25 cm.

Removing excavated soil material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point

Hardcore of broken stone gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface

Moorum/red bajri filling in floors or pavings, laid in layers n exc. 15 cm thick, spread, levelled and rammed/rolling by roller including watering