Kolkata Municipal Corporation Tender

25.Construction of manhole with chamber of size as given below as per requirement 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) 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 1.5mm. 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.(Depth of invert shall not be less than 1.80M below G.L.With 375 mm. thick brick work a) 150 mm to 400 mm dia having internal size (1500mmx750mm)

25.Construction of manhole with chamber of size as given below as per requirement 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) 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 1.5mm. 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.(Depth of invert shall not be less than 1.80M below G.L.)Average depth of invert 2.5m. below G.L.iv) Addition or reduction to rate of manhole as per above item for each addition or reduction in depth of 150mm. or part thereof. With 375mm. thick brick work (Depth of invert should not exceed 3.00M.) a) 150 mm to 400 mm dia having internal size (1500mmx750mm)

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.

CHAPTER - VIII SUPPLYING OF MATERIALS HIRE CHARGES OF MACHINERIES 8.29Hire charges for engaging Air Compressor machine with minimum pressure capacity of 5.0 Kg/sq.cm arrangement including all necessary equipments and operating staff, carriage, fuel, Tools and plants all complete for cutting Road / hard crust cutting with pneumatic hammer at desired point in water supply works as per direction of EIC . a) With Pneumatic hammers For minimum engagement of 8 hrs. In a day

BUILDING WORKS. (T)MISCELLANEOUS WORKS: A. SPECIAL WORKS. III. EVENT MANAGEMENT : 7) Hire and labour charges for coir rope fencing 25 mm dia rope single on 120 m dia bamboo posts 1.40 m above G.L and 600 mm below G.L 1.50 m apart including digging holes complete.

SUPPLYING, FITTING, FIXING WITH OPERATION OF SINGLE PORTABLE PUMPS SIZE 3" DIA ON HIRED BASIS FOR REMOVAL OF STAGNANT WATER LOGGING POCKETS AT MOTISIL STREET. RUNNING HOURS

SUPPLYING, FITTING, FIXING WITH OPERATION OF SINGLE PUMP 3" DIA ON HIRED BASIS FOR REMOVAL OF STAGNANT WATER FROM WATER LOGGING POCKETS AT MOTISIL STREET. IDLE HOURS

Sub Total

GST 18%

CESS 1%