rate contract for supply of chemical etc. as per tender document , (important: discount rate in percentage should be quoted on pdf file only as per format given in tender document) , chemical , glassware , plasticware , diagnostic kits , food grade supplements items , laboratory items , surgical implants , surgical sundries , supplying, conveying and fixing spls. including eart , construction of chamber for 100mm sluice plates , construction of chamber for 100mm sluices valve , laying and jointing pvc pipe. heading , plain cement concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using , brick work in c.m 1:5 mix using 2nd class ground moulded chamber burnt bricks with including cost , construction of chamber for 100mm sluices valve , construction of chamber for 100mm sluices valve