Kolkata Metropolitan Development Authority Tender

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 out water as required complete. (a) Depth of excavation not exceeding 1.500 mm.

(b) Depth of excavation for additional depth beyond 1,500 mm. and up to 3,000 mm. but not requiring shoring

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation.

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in-charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge). (a) Depth upto 1.5 m.

(b) For additional depth beyond 1.5 m. and up to 3.00 m

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

(B) Filling in foundation or plinth by fine sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

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

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

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety

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) (f) 25 mm to 30 mm shuttering without staging in foundation.

(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.n.

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 up to roof of ground floor/up to 4 m (i) Tor steel/Mild Steel II. Other thanManufacturers not specified

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and 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 where necessary (Ground floor).[Excluding cost of chipping over concrete surface] (ii) With 1:4 cement mortar (a) 15 mm thick plaster

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc.

Bailing out water by pump including all leads and lifts and including making all arrangements for disposal, where continuous flow or seepage of water is encountered and rating of pumps and hours of operation is specifically ascertained as per direction of the Engineer-in-charge.

Supply of silver sand stacked at site

Supplying to site empty cement polythene bags (capacity 50kg) in good condition including stacking, incidental charges etc. all complete (capacity 50 kg).

Labour charges for filling empty cement gunny bag/ polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or aggregates(stone / brick) and sewing as done in case of cement bags ,(tying with a knot after filling will not be accepted), and stacking within a lead of 30 metre as per direction of Engr-in-charge (cost is excluding the cost of any types of filling materials). NB:- Volume of earth/ sand filled bags should not be less than 0.028 cum/ bag.

Dumping in position earth/sand filled gunny/poly bags (capacity 50 kg) within a lead of 30 metre inclusive of all lifts.

Removing earth/sand filled poly bags/gunny bags from the channel bed/slope and initially depositing the same near channel bank at a place as directed by the Engineer-in Charge for measurement of Bag. & then disposing off the same at a distance not less than 150 metre from the channel site.

Supplying, fitting and fixing in position RP/ GRP/ COMPOSITE UV stabilizer Gully Pit Cover with high abrasion surface of 7mm top thicknes, density of 2KG/m³ of approved make with rim of approved make (Heavy type) (i) 25MT load bearing capacity round manhole cover provided with two lifter hooks fitted with matching frame of size Cover: 680 mm X 90 mm Frame: 800 mm X 165 mm opening: 500mm Weight: 196 kg (approx)

Supplying, fitting and fixing in position RP/ GRP/ COMPOSITE UV stabilizer Gully Pit Cover with high abrasion surface of 7mm top thicknes, density of 2KG/m³ of approved make with rim of approved make (Heavy type) (iv) 15 MT load bearing capacity round manhole cover provided with two lifter hooks fitted with matching frame of size Cover: 460 mm X 75 mm Frame: 620 mm X 150 mm opening: 360mm Weight: 100 kg (approx)

Supplying, fitting and fixing in position reinforced cement polymer concrete manhole /gully pit cover with matching frame. As per I.S-12592(M.D) i) 15 MT load bearing capacity gully pit cover with frame and hinge arrangement for opening of size Cover : 565 mm. X 410 mm. X 90 mm. Frame : 715 mm. X 565 mm. X185 mm. Weight: 140 Kg. (approx.)

(viii) 5 MT load bearing capacity gully pit cover with frame and hinge arrangement for opening of size Cover: 470 mm X 420 mm X 80 mm Frame: 590 mm X 550 mm X 170 mm opening: 380mm x 305mm Weight: 100 kg (approx)

Supplying, laying, fiting, fixing and jointing of UPVC pipes conforming to IS:4985-2000 with latest revision and amendments, if any, with necessary UPVC/CI specials, CIDF sluice valves, as per relevant I.S. specification including labour charges for earth work in excavation in any kind of soil including mixed soil with boulder ,road sub-grade and its flanks but excluding moorum and laterite or sand stonehard arock including cutting of brick payment without damaging the existing telephone/electrical cable line etc.(in case of damage of any type of cable line during excavation, necessary damaged charges as applicable by the respaective authority will be borne by the agency in his own cost. Loading, unloading, carrying of pipes, specials, valves from the local store to work site and lowering laying of pipes specials valves carefully in trenches maintaining proper levels and alignment ,jointing the pipe and specials including supplying of good quality/approved brand solvent cement (as per IS:14182-1994 including cost of all fabricated PVC fitting i.e. tees,bend, reducers, adopter etc.as per IS:101-1988 and making flange joints including supplying required quantity of nuts, bolts and rubber insertion (CIDF sluice valves will be supplied by the department free of cost) as required at site by adopting suitable method so as to facilate the maintenance of pipe line locally as per conventional method including back filling the trenches with good earth obtained from excavation of renches including consolidation with watering in layer not exceeding 150mm thk. with maintaining an average depth of cushion of 1.10mtr. from the top of pipe line including making interconnection with distribution pipes etc. all complete as per drawingdirection and satisfaction of the E.I.C. (ii) 200mm internal dia.

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Construction of Sub Base by compacting 1st class brick aggregates (40 mm down) andsand (in proportion of 60:40).(A) Pressure Rating : Class - III (ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves.h) 200mm(OD)

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision)i) Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type A (13.2 mm)

80 mm thick interlocking designer concrete paver block M-40 grade for medium-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. [Note: Subgrade CBR shouldnot be less than 5]Grey

Supplying, fitting and fixing of Mild Steel Guide Channel with necessary Mild Steel lugs of required length and size by making hole into wall and fixing with necessary masonry work with maintaining proper line and level as directed by the Engineer-incharge. This item includes two coats of anti-corrossive bituminous paint over two coats of red lead primer. Payment will be made on actual length of Guide Channel.(b) 60 cm. dia. Cast Iron wheel

Supplying, fitting & fixing Cast Iron wheel (after taking out existing one if necessary), rim made of 28 mm. to 36 mm. dia to fit any size of gear rod including carriage to site, painting with two coats of bituminous paint over two coats of red lead primer etc.complete as per direction of the Engineer-in-charge.(b) 60 cm. dia. Cast Iron wheel

Supplying fitting & fixing Mild Steel base plate of required size with necessary drilled holes of required dia. and number for fixing with the top runner and one number hole at the center of required dia. for screw rod duly threaded with necessary grooving for easy roller grip arrangement by 13 mm dia. high carbon steel balls in both Gun Metal or other bushes & base plate etc & providing with required bolts and nuts (Mild Steel) 16 mm dia & 100 mm long and one suitable screw as key, complete including painting with two coat of red lead Primer.

Supplying / Replacing Gun Metal Bush for screw gearing arrangement required for hanging arrangement of draw shutter and fitting & fixing with the screw gearing arrangement for operating the draw shutter by taking out the old screw gearing arrangement and Gun Metal bush etc. complete as per direction of the Engineer-in-charge. (The old materials to be returned to Departmental Godown.)(b) 65 mm. dia.

Supplying / Replacing Gear rod by a new Mild Steel Gear rod, threaded length as required and fitting, fixing in position with screw gearing arrangement for operating the draw shutter including taking out old gear rod by cutting bolts etc. complete as per direction of the Engineer-in-charge. (The old materials to be returned to Departmental Godown.)(b) 65 mm. dia.

Supplying, fitting, fixing Mild Steel draw shutter with Mild Steel plate of thickness as specified by the Engineer-in-charge and other necessary Mild Steel sections for sluice including fabricating the same (as per drawing and instruction given by the Engineer-in- charge) excluding cost of Mild Steel guide channel, sill beam, gearing arrangement etc. but including painting with two coats of anticorrosive bituminous paint of approved make & brand over two coat of red lead primer and with necessary masonry work with all materials supply etc. complete at site.

Supplying, fitting & fixing in position rubber seal arrangement for making water tight including M. S. flats, bolts and nuts and making holes in the shutter leaf for fixing the rubber seal in position including fabrication cost and carriage of all materials to site and complete as per direction of the Engineer-in-charge.(ii)"L"type 88mmX14mm type -II vertical side seal

(i) Double bulb rubber seal (Bottom seal) 150 mm X 44 mm

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

GST @ 18%on SL No 1 to 38

Cess @ 1% on SL No 1 to 39