Repair and Replacement of Damaged Roofing Sheets at Technical office building parking shed in FACT Cochin Division, Ambalmedu, Kochi.

Dismantling AC / GI / Tufflite / Aluminium/ Zincalum sheet roofing, side cladding etc and depositing the debris away from plant limit within a distance of 150 m.

Dismantling AC / Aluminium / Zincalum ridge pieces and clearing away debris from the plant limit.

Supplying and providing colour coated Zincalume steel sheets at all levels with minimum yield stress of 550 Mpa and having 0.45mm base metal thickness and a hot dip zinc aluminium alloy coating( consist of 43.5% zinc, 1.5% silicon and 55% aluminium with total coating mass of 150 gm/Sqm). The total colour coating thickness of 40 microns with silicon modified polyester paint system shall be of 20 microns coat on exterior surface and 10 microns on under side of sheet over 5 microns primer coat on both sides Total thickness of coated sheet to be 0.5mm. Roofing sheet shall be crest fixed to the purlins with Hot dip galvanized self drilling fasteners of required diameter and length with integral EPDM washers as per manufacturer’s specifications. Fasteners also to be provided on the side laps of sheet.# Minimum sheet overlap at end laps shall be 150mm- For Roofing/cladding/louver.

Providing and fixing colour coated Zincalume steel ridge capping with hooks or bolts and nuts, and EPDM washers etc. complete as per manufacturer's specifications.

Supply, conveying and fixing AC Eaves gutters EG 40 of Everest make with all required specials such as drop ends,stop ends,nozzles,union clips,etc. with 8mm dia GI bolts and nuts GI &bitumen washers over MS brackets already provided and making the joints of gutter leak proof with 6mm dia asbestos rope and bituminous jointing compound etc.as per departmental instructions.

Collecting mixed materials including spoil earth, broken AC sheet , debris etc.from site, conveying to places with an average lead of 1 KM by mechanical transport, dumping and forming embankment for filling, spreading in layers as per directions.complete (20% deduction will be made if measured loose in stacks/lorries).