West Bengal Zoo Authority Tender

M.S structural work in colums, beams etc. with simple roled structural members (e.g. joints angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineering -in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc weldingconforming to IS: 816 - 1956 & IS :1995 using electrodes of approved make and brand conforming to IS: 814 - 1957, haulage, hoisting and erections all complete. the rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidential charges such as electricity charges, labour incurance charges etc.(Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for Gusset, bracket, cleat, rivets, bolts and nuts may be make by adding

(I) For structural members/built up sections of specified sections weighing less than 22.5kg./m.

Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150grams per sq. metre (followed by colour coated on both side) steel sheetwork having minimum yield strength of 550 Mpa of trapizoidal profile ofapproved make as per IS: 15965: 2012 and IS: 14246: 2013 (excludingthe supporting frame work) fitted and fixed with 55 mm & 25 mm selftapping screw, EPDM Washer 16 mm dia & 3 mm th. washer etc.complete with 150 mm end lap and one corrugation minimum side lap.(Payment to be made on area of finished work). In roof With .5mm thick sheet.