Kolkata Municipal Corporation Tender

Mending potholes and depressions by stitching picked jhama bricks with one brick-on-edge laid in herring bone pattern and including necessary cushion of sand below the soling (and in between layers) including cutting the pothole area to rectangular shape with vertical edges, removing all loose materials , finishing the surface to match with adjacent areas complete as per direction. (b) One brick-on-edge laid in herring bond pattern (thickness 125mm) (Ref: PWD(Rds & brdgs)2018, It. no. 10.09(b), P-280)

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

BUILDING WORKS (A) EARTH WORK,ANTITERMITE TREATMENT 2. 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 outwater as required complete. (a) Depth of excavation not exceeding 1,500 mm.

BUILDING WORKS ( C ) Brickworks,Concrete Works etc A. BRICK WORKS 7. Brick work with 1st class bricks in cement mortar (1:4) (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](ii) With 1:4 cement mortar (a) 20 mm thick plaster

SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC. A. ORIGINAL WORKS 1.5mm thick in wall, dado, window sill, floor etc. NOTE: Cement 0.152 cu.m per 100 sq.m

BUILDING WORKS ( C ) Brickworks,Concrete Works etc?36...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).(When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof).(a) 25 mm to 30 mm thick shuttering without staging in foundation... as per decision & direction of Engineer-In-Charge.Notes:- For shuttering in shell roof, grid roof with vertical faces folded plate, arched roof the rate in 36 (a), 36 (b) & 37 (c ) of subhead B above to be increased by 100 % . For grid roof with splayed faces, rate is to be increased by 150%.

BUILDING WORKS ( C )Brickworks,Concrete Works etc.40..Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders etc initial straightening and removal of loose rust (if necessary),cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.(a) For works in foundation and upto roof of ground floor/upto 4 m.(i) Tor steel/Mild Steel.II. Other than SAIL/ TATA/RINL

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. a)Pakur Variety ( Ref :PWD (Bldg.)-2017, page-24 (item -4(a),consumption chart pg-B-60, sl-1 and Annexture-II , Format-A, 3rd Corrigenda & addenda p-10 dtd-04.06.2018, PWD(R&B) 2018,Chapter-1, pg-227 I-1.03,pg-230,Table-I , Table III-2 pg-226,)

Supplying & Laying Double wall carrugated (with external annular corrugation and smooth internal wall) high density polythelene pipes conforming to IS 16098 (Part-ii):2013 having stiffness class of SN 8 with Ring stiffness not less than 8.00 KN/Sqm and impact Resistance TIR value not more than10% including necessary jointing materials for non-pressure underground drainage,sewerage & cross drainage application 150mm dia

(C ) III:Labour Rate for Sanitary and Plumbing 2.Mazdoor NOTE:The above rates are exclusive of 10%profit and 1% Labour welfare cess,which would be admissible to the contrcator,but contractual percentage will not be applicable on the above ratyes .PG-113 of 124

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

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.

Sub Total

GST 18%

CESS 1%