Public Works Department Tender

Providing and fixing prepainted steel sheet roofing over steel trusses providing and fixing Kotar metal or equivalent prepainted single skin trapezoidal profile sheeting 0.50mm (zero point five zero milimeter) thick having 1060mm (one thousand sixty milimeter) cover width (overall width 1126mm (one thousand one hundred twenty six milimeter) 28mm (twenty eight milimeter) crest depth at 353 (three hundred fifty three) + (plus minus) 2mm (two milimeter) centre to centre crest distance there will be two ribs at the centre for stiffening having depth of 2.5mm (two point five milimeter), main crest width at top 25mm (twenty five milimeter) and at the lower 81mm (eighty one milimeter) base metal of cold rolled steel coil with zinc coating top coat with regular modified polyster coating of approved shade and balancing reverse coat with polyster paint, fixing of sheet shall be with self drilling and self tapping screws of size 5.5mm (five point five milimeter) dia 75.5mm (seventy five point five milimeter) length with EPDM seal. The material supply will be accompanied by test certificate and against corrosion/ fading colour and manufactured defects , as per direction of the Engineer-in-Charge, including carriage of material within all leads, lifts and other incidental . The rate is including octroi, royality, Malkana, toll tax, GST or other taxes imposed by the Government.

Providing and fixing ridges or hips 60cm (Sixty centimeters) over all in plain with 0.63mm (Zero point six three milimetres) thick galvanised iron sheet fixed with galvanised iron J or L hooks, bolts and nuts 8mm (eight milimetres) diameter with G.I. (Galvanised iron) limpet and bitumen washers complete as per HPPWD specification , as per direction of the Engineer-in-Charge, including carriage of material within all leads, lifts and other incidental . The rate is including octroi, royality, Malkana, toll tax, GST or other taxes imposed by the Government.

Providing and fixing M,S.(mild steel) BP (Back plain) sheet 1.66mm (One point six six milimetres) to 2mm ( two milimetre) thick in eaves board/facia/soffits/ ceiling including cutting, fixing and welding to steel roof members and applying a coat of red lead primer complete as per approved design, drawing and specification, as per the instruction of Engineer-in-Charge (Base members of steel work shall be measured and paid separately), including carriage of material within all leads, lifts and other incidental . The rate is including octroi, royality, Malkana, toll tax, GST or other taxes imposed by the Government.