restoration of gorey gurung jhora and landslide protection at ranju valley, g.p. labdah in p.s. kurseong g.t.a.-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 1.5 m plum concrete work with 40% cement concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any (1:3:6) hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of engineer-in-charge.