Details: 1. construction of new threshing floor at rajathanikottai h/o sandaiyur . estimate amount : rs 9,21,000/- earth work excavation for foundation in all soils and sub soils to full depth etc., ordinary soil complete cement concrete 1:4:8 (one cement, four m.sand and eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick, well rammed, consolidated and curing etc. complete complying with standard specification supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 m height for plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of size 90 x 60 cm and 10 bg stiffened with welded mild steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and support
Sector: RDPR