construction of pacca drain with slab from sisir pond to asraful shop at medgachi xii , earth work in excavation of foundation trenches or drains , filling in foundation or plinth by silver sand in layers not exceeding 150 mm , supplying and laying polythene sheet ( 150gm / sq.m. ) , hire and labour charges for shuttering with centering and necessary staging , cement concrete with graded stone ballast ( 40 mm size excluding shuttering ) , brick work with 1st class bricks in cement mortar ( 1:6 ) , ordinary cement concrete ( mix 1:1.5:3 ) with graded stone chips ( 20 mm nominal size ) , reinforcement for reinforced concrete work , plaster ( to wall, floor, ceiling etc. ) with sand and cement mortar 15 mm thick , neat cement punning about 1.5mm thick in wall , earth work in filling in foundation trenches or plinth , providing&fixingconcretesignboardasperirc specification ofsize900x 750x 37 mm