material purchasing for covered drain from jadhav galli to river at village ganori tq phulambri dist aurangabad providing and laying concrete pipes of is.np. class of 300mm diameter in proper line, level and slope including necessary collars, excavation, laying, fixing with collars in cement mortar 1:1 and refilling the trench complete. , providing and constructing brick masonry inspection chamber 60cm x 45cm x 90cm including 1:4:8 cement concrete foundation 1:2:4 cement concrete channels half round g.s.w. pipes, brick masonry, plastering from inside and with frame fixed in cement concrete with r.cc. cover medium duty 140 kilogramwith frame etc complete