Indira Gandhi Centre For Atomic Research Tender

Providing and laying plain cement concrete 1:2:4 using 20mm maximum size graded aggregates and crushed stone sand including mechanical mixing, transporting and placing in required position, ramming, compaction, levelling, curing, shuttering, dewatering if any, complete all as per specification for levelling courses in foundation for walls, footings, floor drains etc., encasing pipes and other required works directed by Engineer-in-Charge complete all as per specifications.

Supplying and placing in situ Controlled Reinforced cement concrete of grade & total minimum cementitious content as specified (cement + fly ash) for kg/Cu. M, using OPC conforming to IS 269-2015 or latest edition and with required fly ash conforming to IS 3812 Part -I / ASTM C-618 Class F. Fly ash should be blended at site such that fly ash content should not exceed 20% by weight of total cementitious content. Coarse aggregate used should be hard granite machine crushed (with VSI technology only) graded stone aggregates withmaximum size of aggregate not exceeding 20 mm size. Fine aggregate used shall be either natural river sand or crushed stone sand (with VSI technology only and should be washed in water to remove finer particles, the micro fines particles of size less than 75 micron shall be less than 7%) (Zone I /II) conforming to IS 383 – 2016. The cost includes weigh batching, required chemical admixtures, mechanical mixing/Ready mix supply plant mixing, transporting/transporting by Transit Mixers, pumping using Concrete pumps/ placing with crane buckets etc., at all levels, lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other & all structural elements including dewatering wherever necessary, including compacting, finishing, curing (For a period of at least 10 days), providing construction / contraction / expansion joints, pour strips etc. but excluding centering, shuttering and reinforcement (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge. Rate to include all materials, labour, tools /tackles, plant and equipment, supervision, etc. complete. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixture. Chemical admixture conforming to IS 9103 shall be mixed in fresh concrete and prior permission from Engineer-in-charge shall be obtained for dosage and compatibility. 2. Test certificate of cement, procured from dealer/company to be submitted for all cement related works by the Contractor. 3. The rate shall be quoted on the basis of using minimum cement per cu.m. of concrete mentioned below for relevant grade of concrete. Any upward/downward variation required to obtain the specified strength will be paid for or deducted at the rate of cement specified in Schedule F.

M30 grade with total minimum cementitious content (cement + fly ash content not exceed 20 % by weight of total cementitious content) 380kg/cum of concrete as mentioned (in the item no. 3 of above) for the levels from bottom of foundation level to 1.20m above ground level.

M30 grade with total minimum cementitious content (cement + fly ash content not exceed 20 % by weight of total cementitious content) 380kg/cum of concrete as mentioned (in the item no. 3 of above) for the levels from 1.20m above ground level to all levels.

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500D grade steel conforming to IS:1786 'SAIL or VIZAG or approved equivalent make' and tying with approved annealed binding wire of 1.6mm dia in all reinforced cement concrete work at all lifts, including cost of supplying and fixing the spacer/cover blocks in cement mortar 1:2 and binding wire complete all as per specification and as directed by the Engineer-in-charge at all lifts. Note: The rate shall be including the cost of reinforcement steel. The reinforcement steel will be procured from dealers with a test certificate as approved by the department. For further details please see Point 7 of Section VIII, General Information for Guidance of Tenderers.

TMT bars of Fe500D grade as mentioned (in the item no. 4 above) for the levels from bottom of foundation level to 1.20m above ground level.

TMT bars of Fe500D grade as mentioned (in the item no. 4 above) for the levels from 1.20m above ground level to all levels.

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering to correct line and levels including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. Note: Shuttering with good quality of approved plywood panels alone will be strictly permitted. The measurement for the formwork will be the actual area of forms in contact with concrete surfaces.

Centering and shuttering as mentioned above (Item no. 5 ) for the Levels From bottom of foundation level to 1.20m above ground level.

Centering and shuttering as mentioned above (Item no.5 ) for the Levels from 1.20m above ground level to all levels.

Providing and applying Conbextra GP2 grout from FOSROC or equivalent conforming to BS 1881 - Part 116: 1983 underneath the column base plates. The rate inclusive of cost of materials, transportation, machinery required complete all as required and as directed by the Engineer-in- charge.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like MS structural embedment’s/penetration etc. using MS angles, channels, I-sections, plates, tees, flats, rounds, sag rod, square, sections etc. including chamfering and rounding off the edges, applying paint as described below of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per technical specifications, drawings and as directed by the Engineer-in-charge. Note: (i) Lifting device arrangements if any required also to be arranged by the contractor at his own cost. (ii) Painting: a) Epoxy primer - 2 coats (Before and after erection b) Micaceous iron oxide - 1 coat. c) Chlorinated rubber based paint - 2 coats (Finish paint)

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like trusses, purlins etc. using MS hollow / circular / square / rectangular tubular sections including chamfering and rounding off the edges, applying paint as described below of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per technical specifications, drawings and as directed by the Engineer-in-charge. Note: (i) Lifting device arrangements if any required also to be arranged by the contractor at his own cost. (ii) Painting: a) Epoxy primer - 2 coats (Before and after erection b) Micaceous iron oxide - 1 coat. c) Chlorinated rubber based paint - 2 coats (Finish paint)

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like trusses, purlins etc. with curved profile of members using MS hollow / circular / square / rectangular tubular sections including chamfering and rounding off the edges, applying paint as described below of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per technical specifications, drawings and as directed by the Engineer-in-charge. Note: (i) Lifting device arrangements if any required also to be arranged by the contractor at his own cost. (ii) Painting: a) Epoxy primer - 2 coats (Before and after erection b) Micaceous iron oxide - 1 coat. c) Chlorinated rubber based paint - 2 coats (Finish paint)

Providing and fixing high strength friction grip bolts, nuts & washer of grade 8.8 / 10.90, of various size of make TVS or UNBRAKO or equivalent conforming to IS 6649. The rate inclusive of cost of materials, transportation, machinery required complete all as required and as directed by the Engineer-in- charge.

Providing and fixing SS Flat Plate Grade SS304 for Wind tie including nuts and washers of approved size, quality and make as per requirements, specifications and drawings complete all as directed at site by the Engineer-in-Charge.

Providing and fixing roofing sheet, cladding with 0.47mm thick colour coated concelled system profile corrugated/semi corrugated/plain zincalume sheets of 55mpa yield stress (AS 1397 – Zincalume AZ 150) with coating class AS/NZS 2728 (minimum 150 grams per relevant standard) having a total coating thickness of 35 micron. The sheet should be rolled over specially designed concealed fixing clip manufactured from hi-tensile Aluminium Zinc alloy Zincalumen steel based and galvanized hooks. The clip should be fastened with minimum 40micron Zinc coated / minium 25micron Zinc-Tin alloy coated. The rate is inclusive of all fixtures required for fixing the side roof, cladding on all sides, ridges etc. complete all as per specification and as directed by the Engineer-in-Charge.

Providing and fixing 6mm thick fibre glass reinforced plastic (FRP) Rain water gutter of size 200x200mm fabricated using two coats of Isophthalic grade Uv stabilized gel top coating followed by reinforcement of chopped stand mat and woven roving duly impregnated with unsaturated polyster isophthalic resin with extra reinforcement of MS strip of size 25x3mm at a distance of 1000mm C/C starting from one end of the gutter to be embedded with the gutter at all elevations complete all as per specification and as directed by the Engineer-in-Charge.

Providing and fixing PVC rain water downtake pipes conforming to IS:13592 Type A and PVC SWR Fittings & specials confirming to IS:14735, ‘Finolex’ or other approved equivalent make of pipes, fittings & specials including jointing with seal ring / with PVC solvent adhesive including fixing in walls/columns using clamps, anchor fasteners, bolts and teakwood packing pieces, joint testing etc complete all as per drawings, specifications and as directed by the Engineer-in-Charge.

PVC SWR Rain water pipe 160mm outer dia

Providing and constructing 200mm thick precast concrete solid blocks masonry wall in cement mortar 1:4 using crushed stone sand with solid concrete blocks of size 400x200x200mm in superstructure including cost of materials, labour charges, scaffolding, curing complete all as per specifications and as directed by the Engineer-in-charge.

for Basement and Ground Floor

Providing plastering to the external surfaces of brickwork/concrete at all elevations in cement mortar 1:5 using crushed stone sand, 20mm thick in two coats including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

Providing and laying 65mm thick rubber moulded with vibratory compaction Factory made cement concrete precast Interlocking paver block of M30 grade made and approved size, shape, design, colour & pattern including laid over 100mm thick compacted bed of crushed stone sand (coarse sand), filling the joints with coarse sand, compaction mechanically etc. all complete all as per the direction of the Engineer-in-Charge. Note: The sample tile shall be got approved by the Engineer-in-charge before procurement.

Dismantling brick work in cement mortar at all levels by manually / by mechanical means, carefully without damaging adjacent structures including stacking of serviceable materials and disposal of unserviceable materials within 50m lead all as per specifications and directed by the Engineer-in-charge.

2) The earth shall be dumped well inside the Dumping yard and not over approach pathway road.

INR Zero Only