Defence Research And Development Organisation Tender

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Disposal of moorum/building rubbish/malba/similar/un serviceable, dismantled or wast material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10km for all lifts, complete as per directions of Engineer-In-Charge.

Anchoring and Supplying of CI Bollard : Supplying of CI Bollards with MOC as per IS:210 FG-260 Grade Bollard of 50T pull capacity conforming to standard specifications and drawing with all fixture such as Hot dip galvanized M42 foundation bolts /studs of 800mm length, nuts and washers (7 sets), painting the exposed surface with two coats of anti corrosive epoxy paint over a coat of epoxy primer, etc., complete with NABL Lab T C for Tensile Strength and Hardness Test. Drilling 32mm Dia Hole at depth up to 18 mtrs in rock strata in reservoir and bank by using portable drilling equipment including grouting. Each Bollard should have 8 Nos. of Anchoring. Providing and fixing of self drilling anchors of 32mm diameter, 18m length having rupture strength (Both in tension & compression) of 214 kN/m Grade of steel Fe500 Rupture stress not less than 435 Mpa, with attached drill bit, washer plate 150 x 150 x 8 millimeter including coupler for connecting bars, inserting quick fixing cement resin and full length grouting for intermediate (cortical) anchoring along with “S” clamps & Steel bar of 18mm dia. As required for fixation of Geogrid with anchor bars including all ancillary works and including all material, machinery, labour etc., complete and as per the directed by of Engineer In-Charge. Grouting under water: supply and pouring the anti washout shrinkage Compensating Underwater Grout whose Compressive Strength 1 Day 14MPa 7 Days 44 MPa. 28 Days 54MPa for water power ratio of 0.22. The grout mix can be placed from 25mm to 150mmin single pour and under water 75mm thick only. After drilling using high speed water jet inside the hole to clean the dust inside the hole Make a funnel which will inserted inside the hole and the depth of the concrete/Rock. Mix the grout ensure the flow test as per marsh cone and pour the grout inside the funnel which was placed inside hole slowly move out the funnel as the grout is moving inside the hole. When the grout is in-flowable in nature insert the reinforcement in side the hole. Grouting above ground water: supply and poring the shrinkage compensating Micro concrete Compressive Strength 28 Days 60MPa for water power ratio of 0.16. The Micro concrete mix can be placed from 25mm to 150mm. Higher thickness to be buildup by adding the 6 mm down grade chips. After drilling, using high speed water jet inside the hole to clean the dust inside the hole Make a funnel which will inserted inside the hole and the depth of the concrete/Rock Mix the grout ensure the flow test as per marsh cone and pour the grout inside the funnel which was placed inside hole. Slowly move out the funnel as the grout is moving inside the hole. When the grout is in flowable in nature insert the reinforcement in side the hole.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and manufactured sand (i.e. Robo sand) as fine aggregate, Ordinary Portland cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and work ability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 1.10 times of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level. Concrete of M30 grade with minimum cement content of 350 kg /cum

Centering and Shuttering including strutting, propping etc. and removal of form for : Foundations, footings, bases of columns, etc. for mass concrete.

Permanent form work that provides a surface for the concrete to be cast on or cast against and remains as an integral part of the structure includs Shuttering including strutting, propping etc. for Foundations, footings, bases of columns at all levels, heights, depths, leads etc., all complete.

Supplying fabricating and fixing in position Reinforcement Steel for RCC work at all levels and locations including the cost of steel, straightening, cutting,bending,binding and placing in position etc.,as per drawings and specifications including the cost of binding wire labour etc., complete for reinforced concrete. Thermos-Mechanically Treated bars of grade Fe-500D or more upto plinth level.

Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12 (D=100 mm with tolerance of ±2%), Zinc+ 10% Al alloy+PVC coated, Mesh wire diameter 2.7/3.7mm (ID/OD),mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm(ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer- in charge.

Structural steel work in single section, fixed with or without connecting plate,including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Anchoring Pull out test for 50T: Pull out test of anchor including fixing of test anchor

TERMS & CONDITIONS i) The area including Site of work is Security Restricted and the tenderer is bond to obtain all necessary clearance from the State Govt, Forest Department and Reservoir Dam Site Authority well in advance. ii) No blasting or conventional drilling methods are allowed. The tenderer should cater for specialized equipment for the same. The duration contain in the tender documents is Sacro Sanct with technically sacrosanct And no further extension of time is feasible. Iii) This tender document contains all works commencing from design of Bollards including sub structures, preparation of detailed architectural, structural and services drawings. Including soil investigation, survey of area, site inspection, proof check by third party from reputed govt institutes like IIT's, NIT's, or any Govt Institutes.