Kolkata Municipal Corporation Tender

BUILDING WORKS ( C ) BRICKWORKS, CONCRETE WORKS Etc. A. BRICK WORKS 1. Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. ( 3rd Corrigenda & addenda dated 04.06.2018)

BUILDING WORKS ( C ) Brickworks,Concrete Works etc B. CONCRETE WORKS 1. Cement concrete with graded jhama khoa (30 mm size) excluding shuttering In ground floor and foundation (b) 1:4:8 proportion. ( 3rd Corrigenda & addenda dated 04.06.2018)

(16)Construction of manhole with chamber size 1500mm. X 750mm. X 1500mm. (inside measurement) and 600mm X 600mm. (inside measurement) square shaft, with cement brick work (1:4) over 150 mm. thick jhama cement concrete (1:4:8) bed, over a layer of brick flat soling including providing 150mm. thick R.C.C. slab with ordinary concrete (mix 1:1.5:3) double reinforced with 2% reinforcement over the chamber, brick on edge flooring with ordinary cement concrete (mix 1:2:4) in the invert with 20mm. thick cement plaster (1:4) finished fine with 1.5mm. thick neat cement in the inside walls and invert including supplying, fitting and fixing R.C.P.C. cover and frame (35 m.T. load bearing capacity) with ordinary cement concrete (mix 1:2:4) and C.I. steps (4 Kg. each) including cutting hard crust, excavation, de-watering, back filling and removal of spoils but excluding shoring complete as per standard drawing of K.m.C. (Depth of invert shall not be less than 1.80m below G.L.)a) Average depth of invert 2.5m. below G.L..(i) With 250mm. thick brick work

(16)Construction of manhole with chamber size 1500mm. X 750mm. X 1500mm. (inside measurement) and 600mm X 600mm. (inside measurement) square shaft, with cement brick work (1:4) over 150 mm. thick jhama cement concrete (1:4:8) bed, over a layer of brick flat soling including providing 150mm. thick R.C.C. slab with ordinary concrete (mix 1:1.5:3) double reinforced with 2% reinforcement over the chamber, brickon- edge flooring with ordinary cement concrete (mix 1:2:4) in the invert with 20mm. thick cement plaster (1:4) finished fine with 1.5mm. thick neat cement in the inside walls and invert including supplying, fitting and fixing R.C.P.C. cover and frame (35 m.T. load bearing capacity) with ordinary cement concrete (mix 1:2:4) and C.I. steps (4 Kg. each) including cutting hard crust, excavation, de-watering, back filling and removal of spoils but excluding shoring complete as per standard drawing of K.m.C. (Depth of invert shall not be less than 1.80m below G.L.)(b) Addition or reduction to rate of manhole as per above item for each addition or reduction in depth of 100mm. or part thereof. ii) With 375mm. thick brick work

CHAPTER - VIII SUPPLYING OF MATERIALS HIRE CHARGES OF MACHINERIES 8.27Hire charges of moveable type mounted earth excavator having minimum cutter size (1.0 cubic meter) & loader size (2.0 meter length x 0.75m width) for cutting & removal of any kind of soil, spoli etc. including cost of fuel, lubricants & manpower etc. in Water Supply Works. [ This item will be operated on prior permission from the concerned SE/Dy. Chief Engineer] For minimum engagement of 8 hrs. In a day

Sub Total

GST 18%

CESS 1%