GENERAL-Urgent Repairs NJALIYANPARAMBU WASTE TREATMENT PLANT ROOF SHEET REPAIR.PHASE III-General Civil Work

Amount

ROOF REPAIR

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

50.12.2.1:Providing & fixing Poly carbonate corrugated sheet 0.8 mm thick as approved by the Engineer in charge and should be supplied in a single length of 12 M or as decide by the Engineer in charge. The sheets shall be fixed using self drilling / self tapping screw of size (5.5x55 mm) with EPDM seal complete upto any pitch in horizontal/ vertical/ curved surface, but excluding the cost of purlins, rafters, trusses, and including cutting to size shapes where ever required.

OD84966/2023-2024:(OD derived from 51.20) Providing and fixing precoated Alu Zinc Steel profile sheets (size, shape and colour as approved by Engineer-in-charge) 0.35 mm (+0.05%), total coated thickness . The alloy coating nominally contains 55% aluminium, 43.5 % and 1.5% silicon by weight, applied by the hot dipping process and having good corrosion resistance and heat reflectivity including all cost of conveyance and labour charges etc as specified and as directed by the engineer in charge .The sheet shall be fixed using self drilling/self tapping screws of size (5.5x55mm) 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.

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 .

12.4.2:Providing ridges or hips width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete.0.63 mm thick with zinc coating not less than 275 gm/m2

OD74872/2023-2024:Engaging coolie for various works

SAJEEV N

Bidder Name

SAJEEV N

VYSHAGH K