Kolkata Municipal Corporation Tender

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

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.

Constructing Special Inspection chamber pit (size 900 mmX600 mm) to a depth of 1.15 metre (insid(e), 250 mm thick 1st class brick work (1:4) in all sides over a layer of jhama brick soling and 150 mm thick Jhama cement concrete  (1:4:8) including necessary earth work, invert with ordinary cement concrete (1:2:4) with stone chips over brick-on-edge flooring, plastering inside  with 20 mm thick cement plastering (1:4) and neat cement punning, including supplying,fitting and fixing one 450 mm. dia (15 MT) heavy duty RCPC manhole cover of approved make with R.C.C. slab of 100 mm thick with cement concrete (1:1.5:3) with stone chips including necessary reinforcement, shuttering and CI foot steps (4 kg each) (Depth of invert between 1.15 m to 1.80 m 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.

23.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 reinforcement as per standard drawing, brickon- 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

BUILDING WORKS (B) DISMANTLING, CUTTING CHASE, HOLES ETC 2. Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m In ground floor including roof. (a) upto 150 mm. thick

BUILDING WORKS ( C ) Brickworks,Concrete Works etc?33..Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur variety?

BUILDING WORKS (B) DISMANTLING, CUTTING CHASE, HOLES ETC. 1. Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. (a) In ground floor including roof.

BUILDING WORKS ( C ) Brickworks,Concrete Works etc A. BRICK WORKS  8. Brick work with 1st class bricks in cement mortar (1:6) (a) In foundation and plinth

SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC. A. ORIGINAL WORKS 1.Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] i) With 1:6 cement mortar (b) 20 mm thick plaster

SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC. A. ORIGINAL WORKS 15 Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

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.

Sub Total

GST 18%

CESS 1%