Indira Gandhi Centre For Atomic Research Tender

Cutting and removing the existing steel structures/members of steel structures safely without disturbing/cutting the other members and stacking at department specified location including necessary machineries, tools, consumables and labour charges as directed by the Engineer-in-charge. Prior approval should be obtained from Engineer-in-charge for the method of cutting/removing.

Providing and laying non pressure NP2 class RCC Hume pipes conforming to IS:458, with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 using crushed stone sand, laying to the levels, slopes including testing of joints etc. complete all as per the drawings and specifications and as directed by the Engineer-in-charge.

Flashing made out of High tension steel of thickness 0.50 mm with 345 MPA yield strength coated with hot dip metalic Zinc - aluminium alloy coating Zincalume AZ - 150 or equivalent ( as per AS1397 ) as 150 gms / sqm total on both sides of Zinc ( 45% ) & Aluminium ( 55% ), with super polyester color bond XRW quality paint coat as per AS /NZS 2728 ( Category 3 ) of approved colour. The colour shall have a total coating thickness of 35 microns of an super polyester XRW quality paint system as per AS/NZS - 2728 ( category 3 ), comprising of 20 microns exterior coat on top surface and 5 micron reverse coat on back surface over 5 micron primer coat on both surface for the both outer and inner steel cladding in specials of suitable size and shape including providing necessary trimmers, cutting to profile, foam fillers, butyle sealant and silicon sealant wherever required etc., all as approved by the Engineer - in - charge. The steel manufacturer's test certificate for the chemical and mechanical properties of steel must be submitted for approval prior to installation. The sheet shall have brand marking of the manufacturer on the back of the sheet at every 1 m c/c for conforming genuinity of the material .The steel sheet shall be fastened using Class 3 ( as per AS3566) of size as per design, galvanized hex self - drilling fasteners of approved make and quality including EPDM / neoprene washer on each crest of sheets for connecting with purlins/GIRTHS etc., complete as directed by Engineer in charge Note :- 1) The joints, which has to be sealed with suitable silicone sealant to prevent the heat transfer outside to inside and prevent rain water seepage. 2) Width of the sheet upto 610mm or specified in the drawing to cover the required flashing area.