West Bengal Electronics Industry Development Corporation Limited Tender
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West Bengal Electronics Industry Development Corporation Limited - WEBEL Tender
Civil And Construction
Eprocure
Opening Date13 Mar 2024
Closing Date3 Apr 2024
Tender Amount₹ 2,80,00,000
Costs
EMD
₹ 5,60,000Document Cost
₹ 500Tender Fee
Refer Documents
Summary
07 Webel Idm Siliguri It Park Ph Iv 2023 24 25
Description
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Contact
Tender Id
2024_WEBEL_684623_1Bid Award Id
ViewTender No
07/Webel/IDM/Siliguri IT Park (Ph-IV)/2023-24/25Tender Authority
West Bengal Electronics Industry Development Corporation Limited ViewPurchaser Address
-Website
http://https://wbtenders.gov.in/
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Documents
BOQ Items
Depth of excavation beyond 1.5 M but not exceeding 3.0 M including all lead and lift.
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Ordinary Soil
340
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Note: Not withstanding what has been stated elsewhere in this contract, no working space for excavation of tie beams etc shall be paid extra. Any addtional excavation done by the contractor beyond the actual dimension at sides of tie beams etc shall not be paid for and such additional excavation including sides of tie beams etc, if excavated by the contractor shall be filled up with silver sand and contractors' quoted rates shall be inclusive of the same.
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Earth work in filling in foundation trenches, plinth etc with good soil and consolidation the same in layer not exceeding 150 mm (allow for shrinkage) including watering, ramming (allow for breaking up lumps etc) complete as per direction.
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With soil obtained from excavation of foundation.
1000
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Removal of surplus excavated earth and dismalted debries, if any, available from excavation either stacked at site or from the direct excavation and also from other works, from the premises by mechanical transport from work site to contractor's own dump or as per direction. (Payment shall be made on consolidated volume, withing 5 km radius from the site).
800
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Site dressing, levelling and preparing ground surface including necessary cutting, removing, spreading and stacking the excess spoil at work site or filling the surface to arrive at finished ground level, ramming sub-grade for proper compaction as per direction (This item shall be executed only after completion of the work).
3100
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Fine sand filling in plinth or any other area as to be directed by Employer/Architect in layers not exceeding 150 mm thick as directed and consolidating the same by thorough saturation with water & ramming complete including cost of supply of sand (volume to be measured on consolidated thickness) all complete with labour and materials.
345
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Pre-construction antitermite treatment to foundation, top surface of plinth filling etc as specified in the specification and IS Code of Practice IS 6313 (Part-II) of latest edition, including supply of checking i.e. chlorophyrefos of specified concentration.
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Antitermite treatment to the back filling of the masonry portion of the foundation walls, and vertical surface of the RCC foundation with chemical emulsion by admixing chloropyrefos emulsifiable concentrates (1% concentration) with water by weight at the rate of 7.5 litre per sqm of the vertical surface of the substrate for each side of the foundation. the work shall be carried out as per specification describe in para 6.2.2 of Code IS 6313 (Part-II) 1981 (Mode of measurement will be in sqm of vertical area treated).
325
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Antitermite treatment to the top surface of the consolidated earth within plinth walls with chemical emulsion by admixing chloropyrefos emulsifiable concentrates (1% concentration) with water by weight at the rate of 5 litres per sqm of the surface before sand bed or sub-grade is laid. Holes upto 50 mm to 75 mm deep at 150 mm centre to centre both ways shall be made with 12 mm diametre mild steel rod on the surface to facilitate saturation of the soil with the chemical emulsion. The work shall be carried out as per specification described in para 6.4 of Code IS06313 (Part-II) 1981. (Mode of measurement will be per sqm of plan area of plinth treated.
1000
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Antitermite treatment to the outside of foundation with chemical emulsion by admixing chlorpyrifos emulsifiable concentrates (1% concentration) with water by weight including cutting shallow channel by excavating soil along and close to the wall face ensuring uniform dispersal of the chemical emulsion to a depth of 300 mm from the ground level by rodding with 12 mm dia MS rod at 150 mm interval in the channel 1.75 litres of chemical emulsion per metre length shall be used and a balance quantity of 0.5 litres of he chemical emulsion per running metre shall then be used to treat the back fil earth by directing the spray of the emulsion towards the wall surface. The entre work is to be carried out as per specification laid down in para 4.3.1.1 of Code IS-6313 (Part-III) 1981.
155
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N.B : 1. Work is to be carried out through a specialized firm approved by the Architects/ Employer with 10 years guarantee under the control and supervision of main civil contractor. Guarantees are to be furnished on non-judicial stamp paper of Rs.10.00 by both specialist firm and the main civil contractor as per proforma enclosed with the tender document.
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2. The antitermite treatment of the building shall have to be guaranteed to a period of 10 (ten) years from the date of handing over of the completed work. This guarantee shall be in addition to the retention money and shall be 5% of the value of antitermite
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treatment work. The contractor has to submit a draft of the bank guarantee for vetting of Institute. In case Bank guarantee is not given, 5% of the value of the antitermite treatment work shall be retained from the final bill for a period of 10 years and released thereafter with due deductions, if any, and without any interest.
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Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size size) at places as directed by the Engineer-in-Charge.
5
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Cement concrete l:3:6 (1 cement : 3 sand : 6 graded stone aggregate 20 mm down in mudmat of pile cap, raft, column footing, tie beams, etc including necessary shuttering as required, complete in all respect as per specifications & drawing with all labour and materials (thickness as in drawing). Shuttering to be paid separately under relevant items.
110
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Cement concrete l:4:8 (1 cement : 4 sand : 8 graded jhama khoa 30 mm nominal size) in filling to sunk floor of toilets to all floors as in drawing & direction complete with all labour and materials.
5
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N.B.:This item of work shall be executed on satisfactory ponding testing of the sunken floor including hydraulic testing of pipe lines and on approval of the Architect/Employer.
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Providing and laying damp proof course 40 mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5 mm nominal size).
325
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Extra for providing and mixing water proofing material in cement concrete conformign to IS 2645 @ 1 kg for 50 kg of cement.
60
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Applying a coat of residual petroleum bitumen of penetration 80/100 of approved quality using 1.75 kg per sqm on damp proof course after cleaning the surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil.
325
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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.
1000
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Supplying, laying, spreading and compacting 180/200mm (consolidated) thick stone boulders of sizes varies from 150mm to 100mm spreading in uniform thickness, hand packing, compacting in layers/stages by vibrators to proper level, applying and brooming requisite type of screening /binding materials such as gravels, pable, sand and other granule materials to fill up interstices of coarse aggregate, watering & compacting to the required density.
5
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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).
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Depth upto 1.5 m.
805
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For additional depth beyond 1.5 m. and upto 3.00 m
190
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Batch Mixed concrete of M 25 Grade with Graded stone chips of 20mm nominal size containing designed quantity of cement per Cum of Wet concrete produced in computerised batching plnat under controlled condition using approved super plasticizer designing concrete mix folloiwng I.S 10262 and I.S 456 transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required level of concreting and then placing the mix in its final location of form work compacting and curing the same complete as per specification and direction of the Engineer-
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in-charge including hire charges of computerised batching plant, transit mixer will all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform fand its supporting staging wchih would be paid through separate item. Consumption of cement will not be less than 300 Kg of cement per cubic metre of controlled concrete but actual consumption will be determined on the basis of preliminary test and job mix formula.
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All work upto plinth level and Ground floor (without approved concrete pump)
530
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Hire and labour charges for centering & shuttering, with sufficiently rigid steel shuttering plate 9 to 12 mm thick ply board with necessary frame work alround with bracings as per direction for building works including rigid steel/required diameter hard wood bullah props, bracings, etc with bolts & nuts, tension devices etc for item nos. 1, 2, above as per drawing, fitting, fixing and striking out after completion of work with all labour and materials (only the area in contact with concrete surface to be measured and paid).
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Foundations including footings, bases of columns, Columns,RCC wall , Beam etc upto roof of ground floor etc for mass concrete
1660
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Steel reinforcement (for all types of reinforced concrete work) including main and distribution bars, stirrups, binders, reinforcement from column face as advised to use as sheer connector for brick wall etc including supply of steel and straightening of coil bars, bend bars, and removal of loose rust including applying a coat of cement wash (if necessary) cutting to requisite length, hooking, bending to correct shape, placing in proper position and binding with 20 guage black annealed wire at every intersection complete as per drawing and direction with all labour and materials in all floors.
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Reinforcement with high strength ribbed deformed bars conforming to IS 1786, Fe 415 grade. ( for TATA, SAIL, RINL)
180
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Mild Steel bar and wires ( for TATA, SAIL, RINL)
1
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Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.
50
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Brick work in cement mortar l:4 (l cement and 6 medium sand) with 1st class K.B FPS bricks to plain or curved surface including set back, off set, splays,pillars, piers, cable trench, small strips, steps, bands with cut bricks etc complete in all respects as per drawing & specification with all labour & materials. Rate should also include for necessary scaffolding to construct the brick work keeping the outer face in plumb.
180
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