Kolkata Municipal Corporation Tender

SECTION(B) - SANITARY AND DRAINAGE WORKS.(B)-(II) SOIL PIPE AND FITTINGS.(a) Original Works.(16.)Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(i) 300 mm

Construction of special inspection chamber pit of size 900mm. X 600mm. (inside measurement) without shaft with 250mm. thick cement brick work (1:4) over150mm. thick jhama cement conc. (1:4:8) bed over a layer of brick flat soling including providing 150mm. thick R.C.C. slab with ordinary cement concrete (mix 1:1.5:3) with reinforcement as per standard drawing 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 1.5 mm. thick neat cement in the inside walls and invert including supplying, fitting and fixing 450mm. dia. (15 M.T.) heavy duty R.C.P.C. cover and frame (15 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, dewatering, back filling and removal of spoils but excluding shoring as per standard drawing .(depth of invert between 1.15m. to 1.80m. below G.L.) i) Average depth of invert 1.15 m. below G.L.

Construction of special inspection chamber pit of size 900mm. X 600mm. (inside measurement) without shaft with 250mm. thick cement brick work (1:4) over150mm. thick jhama cement conc. (1:4:8) bed over a layer of brick flat soling including providing 150mm. thick R.C.C. slab with ordinary cement concrete (mix 1:1.5:3) with reinforcement as per standard drawing 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 1.5 mm. thick neat cement in the inside walls and invert including supplying, fitting and fixing 450mm. dia. (15 M.T.) heavy duty R.C.P.C. cover and frame (15 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, dewatering, back filling an removal of spoils but excluding shoring as per standard drawing .(depth of invert between 1.15m. to 1.80m. below G.L.) ii) Addition and deduction of rate of special inspection chamber pit as per above item for each addition or reduction in depth of 150 mm. or part thereof.

Hire and labour charges for 3.75cm. thick close timbering with planks, battens,runners,struts etc. complete removing them incl. penetration of shoring as per direction of the Engineer-in-Charge upto 1 M. trench width. (Vertical surface of contact area with supporting earth to be measured, payment for penetration will not be allowed) a) Depth upto 3.00 M below G.L.

SUPPLYING,INSTALLING AND OPERATING 4'' DIA PORPABLE PUMP SET(DISEL DRIVEN) INCLUDING FUEL ,STAFF

(21)Construction of Catch pit 600mmX525mm. (inside measurement) and depth of invert 1000mm. below G.L. with 250mm. thick cement brick work (1:4) over 100mm. thick jhama cement concrete (1:4:8) bed over a layer of brick flat soling including providing 100mm. thick R.C.C. slab with ordinary cement concrete (mix 1:1.5:3) with 1% reinforcement brick-on-edge flooring with 20 mm. thick cement plaster (1:4) finished fine with 1.5 mm. thick neat cement in the inside walls and invert including supplying and fixing R.C.P.C. gully grid (5 m.T.load bearing capacity) and 150 mm. dia. C.I. Syphone including cutting hard crust, excavation, dewatering, back filling and removal of spoils as per standard drawing of K.m.C.

BUILDING WORKS (A) EARTH WORK,ANTITERMITE TREATMENT 3. Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.

Sub Total

GST 18%

CESS 1%