GENERAL GTDMCH vandanam AlappuzhaRelaying Roofing Sheet at Gallery Type Lecture Hall Relaying roofing sheet General Civil Work

Amount

Detailed Estimate

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

15.28.1:Dismantling roofing including ridges, hips, velleys and gutters etc., and stacking the material within 50 metres lead of :G.S. Sheet

OD193154/2023-2024:Providing and fixing Aluminium powder coated profile sheets (Size ,shape and pitch of corrugation as approved by Engineer-in-charge)0.46mm (+0.05%),total coated thickness 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 sratches during transportation and should be supplied in single length up to 12 metre or as desired by Enginner -in-charge . The sheet shall be fixed using self drilling /self tapping screws of size (5.5x55 mm) with EPDM seal ,complete up to any pitch in horizontal/vertical or curved surfaces,excluding the cost of purlins,rafter and trusses and including cutting to size and shape wherever required.

OD193153/2023-2024:Providing ridge caping using aluminium powder coated sheet 0.46mm thick using self drilling screws, washer with necessary overlap etc. complete.

50.10.2:Steel work for purlin/single section with G I pipes including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

OD104920/2025-2026:Painting with synthetic enamel paint of approved brand and manufacture of required colour to an give even shade: One or more coats on old work (same as 14.54.1)

OD197116/2023-2024:Engaging welder for maintenance of existing roof truss members as per the direction of the Engineer-in-charge

Shaji.V (BID ID -2425292)

Bidder Name

Shaji.V

V.RATHEESH