15th-2025-26-2nd-Drain

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring

Cement Concrete 1:4;8 Mix (one part cement, four part sand and eight part of aggrigate) using 40 mm ISS HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying,consolidating and curing etc complete as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Supplying and errecting centering to sides and soffits including supports and strutting for drainage sides and culvert body wall sides using 90cm x 60cm and B.G 10stifened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over( silver oak joists ) of size 10cm x 6.50cm spread at about 90cm including all labour charges and cost and conveyance of all materials to site etc. complete complying with standard specification. TNDSS NO: 30&86

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Providing granolithic floor finish of 25mm thickness with plain cement concrete 1:2:4 (One Cement, Two crushed sand (M-Sand) and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete

SM Thangarasu (BID ID -1456195)