Name of Work:- Attending Roof Leakage (Sheet Roofing) in GJCH Building at NIT-Trichy.
Sl. No.
Item Description
1
Providing flat iron brackets 50x3 mm size with necessary bolts, nuts and washers etc. for fixing G.S. sheets gutters with purlins.
2
Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces,excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.
3
Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.
4
Two coats
5
Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.
6
With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre
7
Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete
8
Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:
9
Filling the gap in between aluminium frame & adjacent RCC/ Brick/ Stone work by providing weather silicon sealant over backer rod of approved quality as per architectural drawings and direction of Engineer-in-charge complete.
10
Upto 5 mm depth and 5 mm width
11
Providing and fixing polycarbonate sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) (6mm Thick) roofing. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. Please Enable Macros to View BoQ information
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