Repair and Maintenance of Roof Works at RGCA Domestication of Tiger Shrimp Project Kodiyaghat Port Blair South Andaman A and N Islands

Amount

Roof Truss structural steel work

CPWD DSR - 2021 15.18 Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead

On MS steel work

CPWD DSR - 2021 10.1 Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

On MS Pipes

Roofing Sheet works

CPWD DSR - 2021 15.28 Dismantling roofing including ridges, hips, valleys and gutters etc.,and stacking the material within 50 metres lead of:

CPWD DSR - 2021 15.28.1 GS Sheet work

CPWD DSR - 2021 12.65 Providing & fixing at all heights, levels and locations colourfinishAluminium alloy roofing sheets of alloy IS designation 31500, temperHx8 conforming to IS 737 and dimensions as per IS code 2676 with characteristics of good formability and corrosion resistance. The profile sheets shall be fixed to truss members in slope or requiredpitch or curvature with Hex cap headed self drilling/tapping Stainless steel screws M6, 50 mm long with 3 mm EPDM seal washer etc. all inclusive of labour, scaffolding, T&P and sundries etc. complete as per directions of the Engineer-In-Charge. (Cost of truss/frame work shall be paid separately)

CPWD DSR - 2021 12.65.1 0.56 mm, Aluminium Color coated troughed profile with center to center pitch of 200 mm, depth of 32 mm, overall profile width1092 mm, cover width 1000mm.

CPWD DSR - 2021 12.66 Providing and fixing of Pre-coated colour or mill finish Aluminium Roofing Accessories in 0.71 mm thickness ,Alloy 31500 (IS designation) [Aluminium Alloy (AA) 3004 (ISO designation)] For color, coating shall be 5-7 microns epoxy primer on both sides of the sheet and polyester top coat 15-18 microns, using self drilling/tapping SS screws of size 6 x 50mm with 3mm thick EPDM seal and SS plain washer complete :

CPWD DSR - 2021 12.66.1 Precoated/mill finish aluminium Ridges plain (500- 600mm)

CPWD DSR - 2021 12.66.2 Precoated/mill finish aluminium Gutter (600 mm over all girth)

CPWD DSR - 2021 13.52 Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

CPWD DSR - 2021 13.52.1 On steel work

CPWD DSR 21.1 Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/neoprene gasket etc. Aluminium sections shall be smooth, rust free,straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P.brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, panelling and dash fasteners to be paid for separately) :

CPWD DSR 21.1.2 For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required (Fittings shall be paid for separately)

CPWD DSR 21.1.2.2 Powder coated aluminium (minimum thickness of powder coating 50 micron)

Island Agency (BID ID -3092948)

CSE CONSTRUCTION INDIA PRIVATE LIMITED (BID ID -3093682)

P G EAPPEN CONSTRUCTION PVT LTD (BID ID -3092521)

MANOJKUMAR M R (BID ID -3092855)