Details: civil works 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) depth of excavation not exceeding 1,500 mm. 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. (b) depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring. earth work in filling in foundation trenches or plinth with good earth, in layers not ex