Kolkata Metropolitan Development Authority Tender

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m (Mode of measurement: pre works and post works) (ii) In mixed soil (i,e. clay mixed with kankar, pebbles, moorum etc.)

Supplying, spreading and compacting Medium 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.

Wet Mix Macadam Base Course Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper to site, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Granular Sub-base with Graded Material(Table:- 400-1) By Mix in Place Method : Construction of granular sub-base by providing graded material, mixing by mix in place method with Rotavator at OMC, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Grading - V :

Dense Bituminous Macadam: Providing and laying dense bituminous macadam with Hot Mix Plant producing an average output of 75 tonnes per hour using coarse aggregate, fine aggregate, filler and bituminous binder as per design Job Mix Formula conforming Marshall Method as per specification, including screening, cleaning of chips and preparing a uniform and quality mix in Hot Mix Plant and ensuring a homogeneous mix, in which all particles of the mineral aggregates are coated uniformly, transporting the hot mix to work site, laying the mixed materials at specified laying temperature with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled, vibratory and tandem rollers for break down, inter-mediate and finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, hand packing and pinning to give an even surface including cost and carriage of bitumen, coarse and fine aggregates and filler materials and hire charges of machinery and equipment for construction and quality control, fuels and lubricants and wages of operational staff complete as per Clause 505 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). B. For Grading -2, (26.5 mm nominal size, 50-75 mm thick.) (i) Using Batch Type HMP of minimum capacity 100-120 TPH.

Prime Coat : Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision) For WBM / WMM Surface:(with primer @ 0.85 kg/sqm)

Tack Coat: 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(with primer @ 0.225 kg/sqm) for BC

Tack Coat: 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 0.28 kg per sqm.) for DBM

Bituminous Concrete (BC): Providing and laying bituminous concrete with Hot Mix Plant using coarse aggregates, fine aggregates, filler materials and bituminous binder of required specification including screening, cleaning of chips and preparing a uniform and quality mix in Hot Mix Plant and ensuring a homogeneous mix, in which all particles of the mineral aggregates are coated uniformly, transporting the hot mix to work site, laying the mixed materials at specified laying temperature with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled, vibratory and tandem rollers for break down, inter-mediate and finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, including cost and carriage of bitumen, coarse and fine aggregates and filler materials and hire charges of machinery and equipment for construction and quality control, fuels and lubricants and wages of operational staff complete as per Clause 507 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). B. For Grading 2 (13.2 mm nominal size, 30mm/40 mm thick.) (i) Using Batch Type HMP of minimum capacity 100-120 TPH.

Dismantling all types of plain cement concrete works, stacking serviceable material sat site and removing rubbish as directed with in a lead of 75 m. In ground floor including roof. (a) upto 150 mm. thick

Dismantling all types of plain cement concrete works, stacking serviceable material sat site and removing rubbish as directed with in a lead of 75 m. In ground floor including roof. (a) above 150 mm. thick

Dismantling all types of plain cement concrete works, stacking serviceable material sat site and removing rubbish as directed with in a lead of 75 m. In ground floor including roof. ( c) extra rate for each addl floor over the ground floor. (For additional depth of 300 mm over 450 mm, 450 mm over 500 mm)

Brick work with 1st class brick in cement mortar (1:4) a) In foundation & plinth.

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 necessary (Ground floor) [Excluding cost of chipping of concrete surface) a) In foundation & plinth. (ii) With 1:4 cement mortar (a) 20 mm thick plaster

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. a) In foundation & plinth.

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

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

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, basement and upto roof of ground floor/upto 4 m, (i) Tor steel/Mild Steel.

Controlled Cement concrete with well graded stone chips (20 mm graded nominal size) excluding shuttering and reinforcement with complete design of concrete as per IS : 456 and relevant special publications, submission of job mix formula after preliminary mix design after testing of concrete cubes as per direction of Engineering charge. Consumption of cement will not be less than 300 Kg of cement with Super plasticizer per cubic meter of controlled concrete but actual consumption will be determined on the basis of preliminary test and job mix foumula. In ground floor and foundation. [using concrete mixture] M-30 Grade . Pakur Variety.

80 mm thick interlocking designer concrete paver block M-40 grade formedium-traffic zone & utility cuts on arterial roads etc. as per IS: 15658-2006 (over 20-40 mm medium sand bed on 250mm thk WBM/ WMM base course & 250 mm thk bound gnaular/ granular sub-base course & filling the interstices of blocks with fine sand by brooming & subsequent watering including cost of sand for sand bed but excluding cost of base, sub-base course & subgrade preparation.) complete as per direction of Engineer-in-Charge a)Grey type [Note: Subgrade CBR shouldnot be less than 5]

Hire & labour charges for shuttering with centreing and necessary staging upto 4 m using approved stout and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight includingfitting, fixing and striking out after completion of work . (Upto roof of ground floor). a)25 mm to 30mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

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

Add GST @ 18% on Rs.17570903.40 i.e. Total amount over Item No. 01 to 25

Add Labour Welfare Cess @ 1% on Rs.20733666.01 i.e. Total amount over Item No. 01 to 25