Bhabha Atomic Research Centre-BARC has published Construction Of Re-Circulatory Water Over Head Tank At Barc Tarapur. Submission Date for this Tender is 18-06-2022. Over Head Tank Tenders in tarapur Maharashtra. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earth work excavation by mechanical means (Hydraulic excavator) / manual means in all types of soil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. including shoring and dewatering (if necessary) and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of vegetation, grass, etc. complete and as directed by the Engineer-in-charge from 0.00 to 1.50 m depth from Average Ground Level |
| 2 | Extra over item 1 for every additional 1.5 m depth or part thereof |
| 3 | In Soft and decomposed rock - This shall include rock, boulders, slag, chalk, slate, hard mica schist, laterite and all other materials which in the opinion of Engineer is rock, but does not need blasting (Blasting Prohibited) and could be removed with picks, hammer, crow bars, wedges, and pneumatic breaking equipment. This shall also include excavation in macadam and tarred roads and pavements. This shall alsoincluderockbouldersnotlongerthan 1 metre in any direction and not more than 500 mm in any one of the other two directions. From 0.00m upto 1.50m depth below Average Ground Level |
| 4 | Extra over item 3 for every additional 1.5 m depth or part thereof |
| 5 | In hard rock-This excavation shall be carried out mechanically using hydraulic excavators, pneumatic breaking equipments, JCB, Poclains as directed. Under this category shall fall quartzite, granite, basalt, plain & reinforced cement concrete (reinforcement to be cut through but not separated from concrete) foundation, masonry or any other hard material etc. From 1.50 m upto 3.00 m depth below Average Natural Ground Level |
| 6 | Extra over item 5 for every 1.5 m extra depth or part thereof to a maximum of 12 m below Average Ground Level |
| 7 | Disposal / Stacking of excavated materials (all kinds of soil, rock, boulders, concrete or any other excavated materials) to disposal ground (Within the DAE Premises) for lead up to 4km(as specified below) & all lifts including stacking / spreading in layers, breaking earth clods & rock clusters,leveling, disposing the soil by mechanical transport, loading / unloading etc. complete from the site of excavation to the place of disposition all as directed by the Engineer. |
| 8 | For soil & soft rock |
| 9 | For hard rock |
| 10 | Filling in plinth & foundation trenches, under floors / grade slabs / on top of raft slabs or any other location as directed with approved available excavated murrum / earthincluding loading, mechanical transportation from the location of storage / stacking within the premises of DAE, unloading, levelling, spreading in layers of maximum 250 mm depth, watering & compacting by mechanical means to achieve minimum 98% of Standard Proctor Density, all equipment, labour, supervision etc. complete as per drawings, specifications and directions of the Engineer-in-Charge. |
| 11 | Supplying, stacking and laying of 230 mm thick rubble soling stones as under floor base including packing with smaller stone and compacting, ramming including spreading and consolidation of blinding material, moorum etc. complete all as per specifications and as directed by the Engineer-in-charge |
| 12 | Provding and constructing brick work in Cement mortar 1:4 using standard bricks of approved class/ quality, make or brand and crushed sand 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 |
| 13 | Providing 12 mm thick waterproof plastering in cement mortar 1:4 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. |
| 14 | Providing and applying two part food grade polyamide cured solvent less epoxy lining in two coats of minimum 400 micron DFT over dry, clean and dust free surafe of water reating structures. This coat shall be applied by airless spray technique or suitable method andas per specifications & drawings. |
| 15 | Providing and laying in position cement concrete of 1:4:8 (1 cement, 4 crushed sand, 8 graded stone aggregate of maximum size 20 / 40 mm) including consolidation, finishing, curing etc. complete as per specifications and drawings but excluding the cost of shuttering, centering complete at all levels complete |
| 16 | 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 specificationsand drawings but excluding the cost of form work shuttering, centering complete at all levels |
| 17 | Providing and laying in position ready mixed or site batched design mix Reinforced Cement Concrete of Grade M-45 using 20mm maximum size aggregates and manufactured sand of approved quality including weigh batching, mechanical mixing, transporting, placing, vibrating, admixtures of approved brand and quality (plasticiser or super plasticiser) if required, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications up to Plinth Level |
| 18 | Extra over item 15 for RCC all grades in super structure up to 50 metre height |
| 19 | Extra over Item 15 for temperature controlled concrete with placing temparature of concrete not to exceed 23°C including cost of ice flakes etc. complete all as per specification, drawing and as directed by Engineer-in-Charge for all sub-structure, superstructure, site mix, RMC &concrete items. |
| 20 | Treatment of construction joints by cutting of green concrete when in final set condition using approved air water jet at a suitable pressure in early age concrete including removal of laitance, draining the water from the air jet after the joint cutting process, treating the construction joint using surface retarding solvent free poly-hydroxyl chemical agent by removing the cement-sand matrix upto 5 to 7mm depthwith an air water jet having pressure of 7 kg per Sqm., wire brushing, cleaningetc. complete all as per specifications and directed by the Engineer-in-charge. |
| 21 | Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-20 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticisers / super plasticisers), 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 |
| 22 | Providing and fixing Reinforcement Steel confirming to IS 1786 for RCC works at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. complete as per specifications and drawings using TMT bars of specified grades all dia bars. TMT bars to be supplied by the contractor manufactured by M/s SAIL, M/s RINL, M/s TATA, M/s JSPL, M/s JSW Steel or approved brands of BARC |
| 23 | Providing and fixing in position tapered / parallel threaded Tension Compression Mechanical Couplers for 25 mm dia rebars conforming to IS code on “Reinforcement Couplers for Mechanical Splices of Bars for Concrete Reinforcement - Specification”.The couplers shall have bar break properties for 100% Tension and compression joints as per manufacturer"s specifications and as per the direction of the Engineer. The item shall include all operations and arrangements such as threading with manufacturer"s machines and operators, enlargement at connection by forging, provision of bar caps to protect the threads on rebar and related operations and arrangements as required for completing the work. |
| 24 | Extra over item 19 for 28 mm dia. bars |
| 25 | Extra over item 19 for 32 mm dia. bars |
| 26 | Extra over item 19 for 36 mm dia. bars |
| 27 | Extra over item 19 for 40 mm dia. bars |
| 28 | Providing, centering, shuttering form work using steel plates, timber planks for all types of structures including necessary strutting, proping, staging, supports, bracings etc. and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-incharge at all levels |
| 29 | Extra for circular & curved shuttering |
| 30 | Extra overabove for staging / additional height in centering, shuttering for every 1.00 m there of over FGL in suspended floors, roofs, landing, high bays, beams and balconies or wherever required with adequate bracing, propping etc. includingcost of de-shuttering and decentering at all levels, over first floor. (Plan area to be measured for payment). |
| 31 | Providing and erecting structural steel work using angles, channels, joists, plain plates, chequered plates, pipes, box sections or other sections using materials produced by SAIL, RINL, TATA, ESSAR, JSPL, JSW or approved brands of BARC; welded and / or bolted in built up sections for trusses, structural steel floors, frame works, ladders, monorails, hand rail, sign boards, partitions, ceilings, embedded parts and other structures including supplying, cutting, welding, fabricating, hoisting, fixing in position, applying a priming coat of approved steel primer etc. complete all as per specifications, drawings and as directed by the Engineer in charge |
| 32 | Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing & staircases railing including applying a priming coat of zinc chromate steel primer etc. complete as per specifications using M.S tubes of ISI marked (Medium) of specified diameter and thickness |
| 33 | Providing and Painting two coats of synthetic enamel paint on steel surfaces of approved brand and manufacture to give an even shade over a primer coat including preparation of the surfaces, scaffolding complete as per specifications and as directed by the Engineer-in-charge |
| 34 | Providing and Painting with 1st quality acrylic washable distemper (ready made) with two coats of approved make and manufacturer and of required shade and colour, includingscaffolding, preparation of the surfaces, scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete all as directed at site including scaffolding, cleaning of the areas. etc., with a coat of approved cement primer as per manufacturer"s specifications and as directed by theEngineer-incharge. |
| 35 | Providing, painting, finishing walls with two coats of anti-algae, weather proof acrylic smooth emulusion paint of approved make with silicon additives on sand face plaster/ plain plaster & concrete surfaes 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 |
| 36 | Providing and placing in position 150 mm wide PVC water stops of approved make conforming to IS 12200 for construction / expansion joints between two RCC Members and fixed to the reinforcement with binding wire before pouring concrete etc. complete as per specifications and as directed by the Engineer-in charge |
| 37 | Providing, laying , jointing, fixing and testing heavy quality (ISI Marked C-Class) Galvanised Iron pipes and ISI marked fittings like, tees, elbows, bends, unions, nipples,reducers etc. as required for the work, including testing the pipes and fittings for 10.00 Kg / Sq.Cm hydralic pressure with a minimum period of two hours duration with clean water, including cutting , threading, jointing with hemp yarn, white lead, jointing teflon tape, chasing walls and making good by filling with concrete 1:3:6, complete all as per specifications and drawings, including two coats of anti corrosive bitumastic paint, all as directed by the Engineer-incharge. Pipes with ISI marked "C" -Class heavy quality pipes of approved make. |
| 38 | 125 mm |
| 39 | 100 mm |
| 40 | 80 mm |
| 41 | Providing & fixing in position heavy pattern screw down gun metal gate valve with handles and wheels of approved make including testing for 10Kg/cm2 pressure with clean and potable water with a minimum testing duration of two hours etc.as per specification and as directed by the Engineer-in-charge |
| 42 | 100 mm |
| 43 | 80 mm |
| 44 | Providing and fixing colour anodized aluminium work (Minimum anodizing thickness of 15 micron) 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 fastners 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 whereever required including cleat angle, aluminium snap beading for glazing / panelling, 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 sealent etc. (fittings glazing and panelling shall be paid for separately) |
| 45 | Providing and fixing 4.0 mm thick clear float glass panes 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) |
| 46 | Providing and laying 300 mm Dia non pressure NP2 class RCC Hume pipes of approved make, with collars jointed with stiff mixture of cement mortar in the proportion of 1:2, laying to the levels, slopes and as per the drawings and specifications and as directed by the Engineer-in-charge including testing of joints etc. complete. |
| 47 | Conducting Water tightness test in accordance with IS : 3370 (Part 1) : 2009 & and Appendix G of AERB/SS/CSE-1 (AERB CODE) for water retaining structures including all labour, materials, tools, equipment, services, patching and repair as required to meet watertightness requirements, all supplementary or miscellaneous appurtenances incidental for testing purpose. The net volume of water occupied by the structure shall be measured for payment.The waterrequired for carrying out the test shall be arranged by the Contractor. The net volume of water occupied by the structure shall be measured for payment. |
| 48 | Supplying and fixing Cast Iron Man hole cover or Cast Iron Steps of approved make and weight as specified in the drawings or as directed by the Engineer in charge. |
| 49 | Supply and embedment of 16 SWG black enamaled heavy duty rigid mild steel (GI) ERW conduit pipe of following sizes along with all accessories such as bends, junction box, socket, check nut etc. including making threads, removing burrs, connection of accessories, drawing of fish wire, laying in RCC slab, beam and wall, cutting & laying in brick wall etc. as required under the instruction of Engineer-in-charge. Deep junction boxes of min. 75mm deep shall be provided in slab. |
| 50 | 25 mm |
| 51 | 32 mm |
| 52 | 40 mm |
| 53 | 50 mm |
| 54 | Supply and embedment of MS enclosure fabricated out of 2.0 mm thick sheet steelfor DBs, switches, plug sockets, junction boxes etc. with required cutting, welding, bending, stiffeners, removable plate on four sides, 2 nos. earthing stud on outer and inner sides, two coats of red oxide paint etc. and embed in concrete or brick wall, cutting brick wall to suit size etc., as per approved drawings or as required under the instruction of Engineer-In-Charge. |
| 55 | Supply and erection of plate earth electrode pit with 600mm x 600mm x 3.15mm thick tinned copper earth plate including accessories, GI clamp, test link, connection of 2 x 95 sq. mm copper conductor, providing concrete inspection pitwith GI cover having lifting lug and locking arrangement, 50mm dia. GI class-B watering pipe of 2.5 mtr length with funnel, charcoal/ coke, salt, excavation, backfilling with black cotton soil, compacting, watering etc. as per IS 3043: 2001. |
| 56 | Supply and laying of earthing conductor of following sizes directly buried in ground at minimum depth of 300mm including brazing, connection etc. as per instructions by Engineer-In-Charge. |
| 57 | 32 x 6mm Cu-ETP grade tinned copper strip of Class-2 |
| 58 | Supply and laying of following size earthing conductor concealedin concrete /RCC slab including cutting/clamping/cleating on structure/ floor/ ceiling/ wall/ tray, making chase, repairing the same, interconnection through brazing/bolting etc. as per drawings or as per instuctions by Engineer-In-Charge. |
| 59 | 32 x 6mm Cu-ETP grade bare stranded tinned copper strip of Class-2 |
| 60 | Supply and laying of 14 SWG bare copper wire along concealed conduit with clamping etc. |
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