FIXING OF NEW GALVALUME SHEETS AND NEW VALLEY GUTTERS FOR RG-I SHOP AT HVF, AVADI.

Dismantling of Asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings, claddings, ridges, hips, valleys and flashings AC valley gutters etc., including loosening rusted bolts, cutting wherever required and staking at Ground without damaging sheets. The contractor is responsible for safe removal of AC sheets by loosening, cutting, welding of existing corroded bolts, screws etc., the work shall be executed at a height exceeding 10 metres height from the average ground level but not exceeding 20 metres height.

S & F of Pre-painted(SMP) galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm (TCT) thick of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall fixed with self drilling / self tapping anti corrosive screws with EPDM seal with crimping/reverse crimping wherever required (crimping charges will be measured and paid separately) complete all as per manufacturers specifications and instructions and as approved and as directed, by considering the dimensions & height (13.00m - 20.00m approx) including all necessary scaffolding and safety aspects complete as required at site. The overall length of sheet (including crimp/reverse crimp) will be taken for measurement and No extra allowance will be paid for crimping area, the work shall be executed at a height exceeding 10 metres height from the average ground level but not exceeding 20 metres height.

Labour charges for Crimping the edges (by mechanical means) of the corrugated profile galvalume sheet 0.50 mm (TCT) to form the crimp eaves . The profile shall be made as per the requirement at site. (The material and labour for fixing of the corrugated galvalume sheet will be measured under sl.no. 2). The measurement will be taken in RM along the width of Sheet.

Labour charges for Profile forming of curved apron profiles pieces or curved panel pieces (separate piece) connecting to the vertical cladding and the inclined cladding from the corrugated profile galvalume sheet 0.50 mm (TCT) to form the crimp eaves. The profile shall be made as per the requirement at site. (The material and labour for fixing of the corrugated galvalume sheet will be measured under sl.no. 2). The measurement will be taken in RM along the width of Sheet.

S & F of Pre-painted(SMP) galvalume aluminium zinc coating GI based plain steel sheet 0.50mm (TCT) thick of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall fixed with self drilling / self tapping anti corrosive screws with EPDM seal complete all as per manufacturers specifications and instructions and as approved and as directed, by considering the dimensions & height (13.00m - 15.00m approx) including all necessary scaffolding and safety aspects complete as required at site. the work shall be executed at a height exceeding 10 metres height from the average ground level but not exceeding 20 metres height.

Supply and Fixing of 2.00mm thick corrugated poly carbonate sheet of approved colour.

Supply & fixing of anodised aluminium frame for positioning of wired glass at North light Glass located at height of 13.0m to 15.0m including removal of old damaged glazing clips and fixing of new glazing clips for the position of wired glass.

Taking out of old serviceable wired glass of any description from old metal frames any thickness or size hacking out old putty or removing beads etc including making good breakages in taking out and handling removing to store or stacking in ground for reuse of any description in existing metal frames glazed with putty/beads, oiling one coat on rebates, grooves, to match existing work by considering the dimension and height (13.00m-20.00m) approx including all necessary scaffolding and safety aspects complete as required at site. The rate includes carefully removing glass without damages and stacking in Ground. The contractor is responsible for safe removal of glass. Any damages to glass while removing/stacking is contractor responsibility, and the contractor should replace the same without any cost. the work shall be executed at a height exceeding 10 metres height from the average ground level but not exceeding 20 metres height.

"Refixing" of 6.40mm glass of any description in existing metal frames glazed with putty/beads, oiling one coat on rebates, grooves, to match existing work by considering the dimension and height (13.00m-20.00m) approx including all necessary scaffolding and safety aspects complete as required at site. The rate includes refixing the glass in the same opening including screws etc., whatever required.(measured horizontally for any length of glass). The work shall be executed at a height exceeding 10 metres height from the average ground level but not exceeding 20 metres height.

Supply and fixing Rough cast wired glass 6.4 mm thick and glazing with oil putty in square exc 0.50 and not exceeding 0.75 sqm as directed and as approved by considering the dimension and height (13.00 - 20.00 m approx) including refixing of the Aluminium beading as required at site including all necessary scaffolding and safety aspects complete as required at site. The work shall be executed at a height exceeding 10 metres height from the average ground level but not exceeding 20 metres height.