tender for earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. the item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. , (a) filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) , single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. , ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant is codes. (i) pakur variety , gst 18% (cgst9% + sgst9%) , welfare cess 1%