Cpwd specifications are very comprehensive and contain not only standards of the construction materials but also guidelines for execution of works, testing for quality assurance and mode of measurements for billing.. Total cement consumption in bags: total sand consumption in m3: total aggregate consumption in m3: total brick consumption in nos. total water consumption in liters: 5 % is added in the total to account for wastage. water consumption is calculated on the assumed w/c ratio as 0.50. Consumption of different materials of construction in the corresponding contract items of works shall schedule of rates : 2008-2009 consumption of materials 173.
Materials, machinery, labours and overheads involved. new rates of these items can be worked out easily by changing the rates of materials and labours based on current market rates.. Norms for consumption of materials for building works d:office workwebsiteuploadsorazamgarh circle sor.xlsmaterial of building works 9 brick work in 1:4 cement and fine sand cu.m 1.86 - - 0.27 - 460 - -. This pwd (wb) schedule of rates, 2010 covering all the items for building and other allied works, both original and repair works with carriage of materials with date of effect being 1 st.
