Construction of pre engineered structure for Power Supply, Control room and other miscellaneous works of MC18 project facility at Bidhannagar campus of VECC, Kolkata.

Filling in foundation or plinth by silver 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).

Providing 75mm thick flat brick soling in single layer with well burnt brick of approved manufacturer and of class designation 7.50 (classification as per IS 1077 -1992 and min. average compression strength not less than 7.50 N/ mm2) at all locations of sub base to floor and in plinth protection and below foundation laid flat to required level slopes etc. as shown including binding the interstices with approved quality sand including watering and pointing with cement mortar 1: 6 finish curing etc. complete as per specification, drawing and as directed by the Engineer-in-Charge.

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 crushed sand, 6 graded stone aggregate of maximum size 20 mm) including consolidation, finishing, curing etc. complete as per specifications and drawings but excluding the cost of Form work shuttering, centering Complete at all levels.

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-30 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications up to Plinth Level.

Extra for RCC Using Ready Mix Concrete from outside project area including transporting and pumping from approved batching plants.

Providing Reinforcement Steel for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with PVC coated G.I binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. complete as per specifications and drawings. Steel supplied by the contractor Using TMT bars of specified grades all dia bars. TMT bars to be supplied by the contractor manufactured by approved brands of Department only

Providing, centering ,shuttering Form work using PVC film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, propping, staging, supports etc and de shuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all levels. For Sub Structure

Providing and constructing brick work in Cement mortar using standard bricks of approved class/ quality, make or brand in foundation and plinth including curing, raking out joints, simultaneous pointing below plinth level if specified, complete as per drawings, specifications and as directed by the Engineer-in-charge. Brick work in C.M 1:6 using crushed sand.

Providing and constructing brick work in cement mortar using Standard bricks of approved quality / class, make / brand in super structure above plinth up to Floor-II level in all shapes and sizes including curing, raking out joints complete as per specifications and as directed by the Engineer-in-charge. Brick work in Super structure with standard bricks in C.M 1:6 Using crushed Sand.

Providing 20 mm thick water proof plastering in cement mortar 1:3 (using river sand) finished smooth with a floating coat of neat cement including approved water proofing compound added @ 2% by weight of cement or as per manufacturer's specifications, sieving of sand to required fineness, preparation of surface, scaffolding at all heights, curing all as per specifications, drawings and as directed at site.

Providing 12 mm thick Internal plastering in cement mortar 1:4 without cement punning (using crushed sand) finished smooth, including sieving of sand to required fineness, preparation of the surface, scaffolding, curing all as per specifications, drawings and as directed at site complete.

Providing, painting, finishing walls with two coats of anti-algae, weather proof acrylic smooth emulsion paint of approved make with silicon additives on sand face plaster/ plain plaster & concrete surfaces of required shade over new work over a base coat of exterior cement primer including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-in-charge.

Providing Structural steel work in M.S Plain Plates, gratings and chequrred Plates for Embedded Parts, Trench Covers, Connection plates etc. including cutting, hoisting, fixing in position and applying a priming coat of approved zinc chromate steel primer etc. including cost of structural steel Plates, welding all labour charges etc. complete as per drawings and specifications. Using materials of approved manufacturers. All test reports to be provided along with the supply of the materials.

Providing Structural steel work using angles, channels, joists and other sections, welded and / or bolted in built up sections for trusses, structural steel floors, frame works, monorails, Steel stair and other structures including supplying, cutting, welding, fabricating, hoisting, fixing in position with nut & bolt, applying a priming coat of approved steel primer and painting with two coats of PU paint etc. complete all as per specifications, drawings and as directed by the Engineer in charge. Up to and including 300 mm Joists, 350 mm channels, and below sections using materials of approved manufacturers. All test reports to be provided along with the supply of the materials.

16 MM diameter 150 mm Long

20 MM diameter 100 mm Long

Designing, supplying, fabricating, testing, transporting, handling and erecting at required positions and levels Structural Steel members for pre engineered building as per approved design and drawing including girders, steel beams, rafters, purlins, cleats, fixing accessories, connection fasteners, girts, wind bracings and all structural members required to support roofing, rain water gutters, lighting windows including epoxy painting and making provisions stated as below including all consumables. This shall comprise of the following : Primary members: Primary members such as transverse rigid frames, curved rafters and wind bracings, bearing frame rafters, supports for rain water gutters etc. using three plate technology or as per approved design (Using Grade 50- 345 mpa yield strength) Secondary Members: Secondary members such as purlins, girts, eaves, struts, wind bracing, flange bracings, base angles, clips, and other miscellaneous structural parts using cold rolled forming technology.( Using 310 mpa Yield strength) Connections: All field connections shall be bolted. primary field connections shall be bolted and shall conform to ASTM- A -325 and Secondary connections shall conform to ASTM- A -307. Provisions as shown in drawing for : a) Openings for windows, ventilators, etc. with suitable steel members or frames on all the sides of the opening. All fabricated structural steel shall be painted with epoxy protective paint of approved make minimum 2 coats and 150 micron dry film thickness of approved colour after surface preparation by sand blasting. 1) All fabrication including welding shall be carried out in the factory only and no site fabrication will be permitted. 2) Detailed design and Drawings, shop drawings shall be prepared by the contractor through specialised pre engineered building agency/experienced consultant and submitted for approval and detailed design report, Loading details / reactions shall be given for design assesment. 3) Conceptual aesthetically pleasing supporting system shall be worked out and submitted for approval before proceeding detailed design.

Supplying, fabricating, testing, transporting, handling and erecting at required positions and levels metal roofing/ wall cladding and canopy roofing including flashings and insulation etc. as per approved drawings and design complete as directed by the Engineer-in-charge including all consumables comprising of the following: Double skin insulated standing seam roofing system comprising of 0.50 mm thick colour coated / bare Al-Zinc Alloy coated steel 0.50 mm with overall width of 400 to 500mm by seaming for 100% water tightness on outer face and 0.50 mm thick inner linear sheet with galvalume sheet profile and physical material properties as specified. These sheets shall be fixed on specially reinforced polyamide or acetylyte anti friction di electric brackets at every location for permitting unhindered, free sheet movement at all required locations. The profile shall have a special in built drainage joint at side laps to make it fully watertight even in fully submerged condition. It shall have overall depth of 100 mm from horizontal after fixing. The side laps shall be of interlocking type without requirement of any mechanical seamer. Insulation: This shall be comprising of two layers of rockwool insulation each of 50 mm thick with density of 48 kg / Cu. M. Sub Grit (Top Hat) 1.5 mm thick Glavanised steel hat section fixed to main purlins, above first layer of insulation, to support the aluminium sheets. Inner linear sheet of 0.50 mm nominal TCT of physical material properties as specified. Vapour Control layer : The vapour contol layer to reduce the movement of water vapour from inside the building through the roof construction to reduce the risk of condensation shall consists of 3 layer membrane to be laid continuous across its surface shall be fully sealed at laps, perimeters, penetrations to ensure effectiveness & aluminium foil of 0.50mm thick laid over insulation board.

Providing, supplying and fixing False Flooring of height up to 600 mm height in 600 x 600 mm panels fabricated out of CRCA sheets infilled with cementitious fillers and top surface with 1.50 mm Anti Static lamination of 1.50 mm thickness from the Specilized approved manufacturers of specified capacity with required supports at floor and walls complete as per drawings and as directed at site .(False flooring system to be got approved by the Engineer in charge before procurement) False flooring with capacity of 1680 Kg / Sq.M UDL and 560 Kg point load.

Providing and fixing Glazed VITRIFIED floor tiles of approved make in different sizes conforming to IS 15622 in all colours and shades in Glossy or Matt or satin finish laid over a bed of minimum 20 mm thick bed of cement mortar 1:4 (using Crushed sand) and jointing with grey cement slurry including grouting with the joints with white cement based Tile Grout of approved make and matching shade complete as per patterns, drawings and specifications complete as directed by the Engineer-in-charge. Using Tiles of size 600 X 600 mm

Providing and Laying 5 mm thick Epoxy screeding consisting of Araldite GY 257, 100 Parts by weight, Hardner HY 830, 40 parts by weight Hardner Hy 850, 20 parts plus quartz sand 900 parts over a primed surface with primer Aradldite GY 257, 100 parts by weight and Hardner HY 840, 50 parts by weight including application of 2 top coats based on Araldite 257, 100 parts Hardner HY 830, 40 parts, Hardner HY 850, 20 Parts and flow control agent 1 to 3% with acrosil DTD 75, 3 parts complete as per CIBA geigy specification including preparation of surface to receive the treatment.

Providing and fixing M.S. grills of required pattern in frames of steel windows MS Fencing . with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete.

Providing Structural steel work for MS Door with Flat, Plates, M.S. Angles, M.S. Channels etc. with up to No 10 No Max Hinges as per drawing , with Aldrop ,Tower bolt.etc Total 4 Handle back to back or as per drawing including cutting, hoisting, fixing in position and including cost of Grouting below base plate with Epoxy Non shrinking Grout of MC Dar conforming to minimum M35 strength after 24 Hrs and cost of welding for gate fabrication with all labour charges etc. complete as per drawings and specifications. sand blasting and applying a coat of epoxy Zinc phosphate primer of MRF Metal coat or approved make all as per specifications, drawings and as directed by the Engineer in charge. Structural steel sections to be used shall be of approved make.

Weighing Up to 100 kg

Weighing from 100 kg to 1000 kg

Weighing above 1000 kg

Providing, supplying and fixing hollow metal flush steel doors 40 mm thick of approved make consisting of door frame and shutters and all hardware fittings, frame size 143 mm X 57 mm made out of 14g thick G.I sheets and shutters made of 16g thick sheets, hollow portion filled with puff, including necessary stiffners in shutters and frame, vision panel of specified size with 4 mm glass and clip on pressed steel frame for vision panels, fixing 4 nos heavy duty stainless steel 304 grade ball bearing hinges of size 100X75X3 mm, mortise / dead lock of approved make of size 70 mm cylinder with key operation, a pair of 200 mm long stainless steel handles, 250 mm long stailless steel tower bolt, surface door closer with standard arm etc. frame hollow portion filled with PCC 1:2:4, necessary hold fast embedded in concrete/ steel, fixing in concrete/ steel with anchor fastners. finished with Polyurethane painting of approved colour complete all as per drawings and specifications and as directed by the Engineer-in-charge.

Providing and fixing anodized aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections / Z sections and other sections of approved make conforming to IS 733 and IS 1285 fixed with rawl plugs and screws or with fixing clips or with expansion hold fasteners including necessary filling up of gaps at junctions, at top, bottom and sides with required PVC / neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically where ever required including cleat angle, aluminium snap beading for glazing / paneling, C.P brass / stainless screws all complete as per drawings and and directions of Engineer-in-charge including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required including the cost of PVC / neoprene gasket required filling the gaps using silicon grout sealant etc. (fittings glazing and panelling shall be paid for separately). Anodised Aluminium sections (Minimum anodizing thickness of 15 micron)

Providing and fixing glazing in aluminium doors, window, ventilator shutters and partitions etc with PVC / Neoprene gasket etc. complete as per the architectural drawings and directions of the Engineer-in-charge (Cost of snap beading shall be paid in basic item). With clear float glass panes of 6.00 mm thickness.

Providing and Fixing in position Suspended false ceiling system using 600 x 600mm Calcium Silicate Ceiling tiles. Tiles having 15mm densified edges and 100% humidity resistance, incombustible as per BS476 part IV with thermal conductivity of 0.043 w/m KC and approved surface design and edge profile (TEGULAR/ SPINTONE) placed in a suspended grid of size of 600 x 600mm made of hot-dipped G.I steel sections having an exposed surface capping of pre-finished baked polyester painted coil wherein the main tee of size 24mm x 38mm x 0.33mm shall be suspended at 1200 mm centres along the length of ceiling with 4mm dia G.I wire with necessary level adjusters and cross tees of size 24 x 28 x0.33mm x 1200 mm shall be inserted in to slots between the main tees at 600mm centres and thereafter in direction vertical to the longer tees, cross tees of size 24 x 28 x 0.33mm x 600mm shall be inserted to form a grid size of 600 x 600 mm resting on the perifery walls on wall angles of size 20mm x 20mm x 3000 mm x 0.40 mm thickness. The rate shall include providing necessary openings for light fixtures, diffusers, trap doors etc to be made as per layout drawings. The work shall be carried out as per directions of Engineer-in-charge. The main tees to be suspended from the ceiling/ soffit with the help of matal dash fastners of 6mmx50mm, soffit clits of 25mmx35xxx1.60mm and 4mm dia G.I wire with galvanised spring steel levelling clips. the entire grid system shall be designed to bear a distributed load of minimum 15 kg/Sq.m (Only calcium silicate false ceiling area will be measured for the purpose of payment)

Carrying out civil/ mechanical 2D/3D drafting works like preparing/ drafting general drawings, architectural drawings, structural steel drawings, P.H. drawings of all types of buildings and civil structures etc. overall as directed by Engineer-in-charge at VECC, Kolkata. Notes: 1) Each job shall be carried out by one qualified and minimum 1 year experience of Civil/ Mechanical Draughtsman having minimum SSC and 2 year ITI/ NCVT in Civil/ Mechanical Draughtsman from Govt/ Govt recognized institute. (2) Deployment: The contractor shall deploy one draughtsman for each job for 5 working days per week for minimum 8 ½ hours per day with 30 minutes of break, in general (1st/ 2nd) or on round the clock shift including Saturdays, Sundays & holidays whenever necessary as per the discretion of the Engineer-in-charge during the contract period. (3) Period of work: The contractor shall carry out 1 job per day for the period mentioned in NIT at VECC, Kolkata. (4) Mode of measurement: Measurement will be per job basis per day. A single job shall be carried out by deploying one Draughtsman exclusively for the particular job.

Providing and Painting with Epoxy PU paint using 2 coats of (120 Micron dry film thickness) Epoxy PU high build coating as finishing coat over a priming coat of EPILUX-13 High Build primer of 50 micron thickness over steel surfaces at all locations prepared and applied as per manufacturer' specifications including preparation of surface by cleaning with wire brush and rubbing, scraping , applying sand paper , making free of Rust, dust, dirt etc. filling the holes, joint, cracks if any using epoxy putty complete. all as per manufacturers technical data and as directed at site to achieve minimum overall dry Film thickness of 170 micron (50 Micron primer Coat + 120 micron finishing Coat). On STEEL surfaces.

Please Enable Macros to View BoQ information