B-1 AGREEMENT System Generated e-Tender No ... - e-Tendering

116 Dy. Executive Engineer
SPECIFICATION & TERMS AND CONDITIONS
The roofing system should be designed to withstand the wind load (As per IS875 Part-3) &
Earthquake load (As per IS1893). The design should also comply with any other relevant IS Codes.
The Steel Sheet Shall be 3’-0” (914Millimetre) width (tolerance +/- 2.00Millimetre) which shall be
curved and moulded at site using mechanical press and dies to the desired curves and shape to form
2’-0’ (605Millimetre) approximate wide interlocking panels. These panels shall be erected in position
and their seams shall be interlocked and pressed to close the seam forming a water tight joint. Minor
colour chipping / scratching should be rectified by applying Epoxy lacquer. Necessary arrangement
including the supply for the installation of fasteners at the end will be there in the scope of the vendor.
The installation should be done by mechanized methods. Vendor has to mobilize required number of
Hydra for transportation of sheets and Cranes for the erection of Seamed Sheets. Adequate
precaution shall be taken by the vendor during the installation process for the safety of their workers.
Safety belts, helmets and other safety equipments for the execution of job must of used, wherever
required. Working in height Panel’s installation process shall not be carried out in case of wind
velocity at site location is above 22 Kilometre / Hours.
The design & drawings for the roof arch must be submitted for approval before the installation of the
sheets at site. The vendor shall make provisions for hangers and clamps etc. for providing light
fixtures in the roof, wherever required.
The material of GALVALUME STEEL to comply the following specifications:
(a) Make
Any of the followings from the International Market
Thyssen Krupp, Germany
Dongbu Steel Co. Limited, Korea
Corus Steels, U.K.
Dofasco Steels, Canada.
Bethlehem Steels, U.S.A.
(b) Technical Details
Standard – Colour Coated GALVALUME Steel complying to ASTM A792
Base Metal Thickness
- 0.85 Millimetre for 150 MT, 500 MT and 1080 MT warehouses
- 1.00 Millimetre for 1800 MT warehouse
- 1.40 Millimetre for 3000 MT warehouse
(Thickness tolerance in all cases will be +/- 0.02Millimetre)
Alloy Coating – AZ 150 (Aluminium 55%, Zinc 43.5%, Silicon 1.5%)
Yield Strength – 350 MPA
Paint Coating – Regular Modified Polyester.
Top Coat 25 Micron & Bottom Coat 12 Micron.
Colour Pattern – Combination of Blue & White (Ratio 50% each)
(c) Inspection & Testing
Once the material is received by the agency in India the same will be inspected by our
inspection team and samples shall be drawn from the same.
Besides this the agency also need to submit the material test report from the steel mill
supplier for each steel coil.
(d) Fixtures
The fixtures like anchor fasteners, Standard Light Hangers, turbo ventilators, and skylights
shall be designed to suit the requirement of PWD – Maharashtra.
Each godown to have a combination of Turbo Ventilator (Aluminium) of size 24 inches,
Capacity 2200 CFM, with a Skylight of 2Millimetre Thick polycarbonate sheet of size
2FtX14Ft, to be installed at a distance of 30FT along the length of building.
Synchronization of Job
The agency to whom the contract of fixing of Galvalume sheet is awarded and the civil
contractor shall remair in touch with each other for proper liaison during the various stages of
the work.
As and when the Civil Contractor reaches door level tie beam stage, he shall inform the
contractor of sheeting work to ensure that the material and machinery for fabrication of
sheeting work reaches the site in time as the work from door level tie beam to 2 nd tie beam
takes approximately 8-10 days.
Signature of Contractor No. Of Corrections Executive Engineer