Cement concrete plain including placing, compacting, finishing and curing complete (including screening and washing of stone aggregate):(f) Nominal mix Ratio 1: 2: 4 (under floor & Ramp) (nominal compressive cylinder strength of 2000psi at 28 days)(i) Nominal mix Ratio 1; 3: 6 (nominal compressive cylinder strength of 1500psi at 28 days)"Pacca brick work in foundation and plinth in:-, i) Cement, sand mortar:- Ratio 1:3"