tender for earthwork excavation for foundation in all types of soils and sub soils including soft disintegrated rock and soft rock to the full depth including all leads and lifts etc., complete complying with the standard specification, drawing and as directed by the departmental engineers. , cement concrete 1:5:10 (one cement, five crushed stone sand and ten 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 including curing etc. complete complying with standard speci?cation and as directed by the departmental of?cers -mixing by mechanical means , supplying and erecting centering for vertical plain/ reinforced cement concrete concrete walls of supply channel, retaining wall etc upto 90cm height with necessary supports,all cross bracing with mild steel size of 90cm x60 cm and gauge bg 10 stiffened with welded mild steel sheet angles of size 25 mm x25 mm x3mm for bearing laid silver oak/ country wood joist of size 7.50 cm x5.0 cm spaced @ about 90 cm c/c and supported by casurina props of 10 cm to 13 cm spaced @ 75 cm c/c etc,, complete complaying with standered specfications and as directed by the departmental officers. , plain cement concrete 1:3:6 (one part of cement, three part of crushed stone sand (m- sand) and eight part of coarse aggregates) using 40mm size iss hbg metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification , providing and laying in position standardised concrete mix m-20 grade in accordance with is 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all reinforced cement concrete items of works with minimum cement contenet of 325kg/ cum and maximum water cement ratio of 0.55 including admixture (plasticiser / super