Kolkata Municipal Corporation Tender

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary. Note:- Add cost at site of the materials to arrive at the complete rate. The compaction factor for dry, clean sand may be taken as 0.835. (The payment is to be made on the basis of finished compacted volume). (c) For Silver Sand

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

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).(iii) 150 mm

7.Cement concrete with graded jhama khoa (30 mm. size) excluding shuttering.      In ground floor and foundation. b) 1:4:8 proportion.

(18)Construction of special inspection chamber pit of size 900mm. X 600mm. (inside measurement) without shaft with 250mm. thick cement brick work (1:4) over 150mm. 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 1% 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 1.5 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 of K.m.C. (depth of invert between 1.15m. to 1.80m. below G.L.) i) Average depth of invert 1.15 m. below G.L.

(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.

(20)Construction of gullypit 1100mmX625mm. inside measurement and depth of invert 1500mm. below G.L. with 250mm. thick cement brick work (1:4) over 150mm. 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 cement concrete (mix 1:1.5:3) with 2% reinforcement in double layer, brick-on-edge flooring in the invert, 20 mm. thick cement plaster (1:4) finished fine with 1.5 mm. thick neat cement in the inside of walls and invert including supplying, fitting and fixing R.C.P.C. gully grid (15-m.T.load bearing capacity) and 225 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.

(17)Construction of manhole with chamber of size 1500mm. X 750mm. (inside measurement) without shaft with cement brick work (1:4) over 150mm. 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) 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 plastering (1:4) finished fine with neat cement 1.50 mm. thick in the inside walls and invert, including supplying, fitting and fixing R.C.P.C. manhole cover & frame (35 m.T. load bearing capacity) with ordinary cement concrete (mix 1:2:4) & C.I. steps (4kg. Each) including cutting hard crust, excavation, dewatering, back filling and removal of spoils but excluding shoring complete as per standard drawing of K.m.C.(Depth of invert shall be between 1.25 m. and 1.80 m. below G.L.)i) Average depth of invert 1.25 m. below G.L. (a) With 250 mm. thick brick work

(17)Construction of manhole with chamber of size 1500mm. X 750mm. (inside measurement) without shaft with cement brick work (1:4) over 150mm. 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) 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 plastering (1:4) finished fine with neat cement 1.50 mm. thick in the inside walls and invert, including supplying, fitting and fixing R.C.P.C. manhole cover & frame (35 m.T. load bearing capacity) with ordinary cement concrete (mix 1:2:4) & C.I. steps (4kg. Each) including cutting hard crust, excavation, dewatering, back filling and removal of spoils but excluding shoring complete as per standard drawing of K.m.C.(Depth of invert shall be between 1.25 m. and 1.80 m. below G.L.)(iii) Addition to rate of manhole chamber without shaft as per above item for each additional width of 150 mm of manhole chamber. a) With 250 mm. thick brick work

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by consolidating Jhama metal  / Laterite (63 mm to 45 mm) (Moorum replaced with course sand)  (For compacted thickness 75mm)

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (ii) On Granular surfaces treated with primer. (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface. (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

Transportation and laying 40 mm thick hot asphaltum mixture from kmc plant to the work site including rolling but excluding the cost of tack coat (covered area- 1250 square meter per 100 mt hot-mixture) a) without paver finisher i) Day Time

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge.

Estimated amount

Add: 9%SGST

Add: 9%CGST

1% LWC