Indira Gandhi Centre For Atomic Research Tender

Providing and laying cast in-situ controlled self-compacting reinforced cement concrete conforming to IS:10262/2019 of specified grade at all levels and lifts mentioned below using 12mm and downgrade size hard granite machine crushed graded stone aggregates and crushed stone sand including weigh batching, charges for mixing & cost of admixture including VMA, mechanical mixing, transporting and placing at all lifts, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, walls, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately), finishing with required shear key, hacking, cleaning as per the pour strip typical detail all as per specification and all as shown in drawings and as directed by the Engineer-in-Charge(EIC) for all in-situ item. Note: 1. The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixtures, mechanical mixing, transporting and placing at all lifts, consolidating, curing and smooth finishing. Chemical admixtures confirming 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. 4. Cement based Grouting in case of any porous / honeycomb structure, visible cracks on surface etc. or any other defects if noticed shall be rectified as directed by EIC. The cost of cement grouting in such cases shall be borne by the contractor only. 5. All relevant and necessary tests shall be done in accordance to IS:10262 (latest version) and as per the technical specification and as per the direction of the EIC.

M40 grade Self Compacting Concrete with 400 kg. of cement & upto 50% of fly ash per cu.m. of concrete

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering for curved surface 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. The cost inclusive of providing & fixing tie bolt, spring coil and plastic cone in wall shuttering 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. The measurement for the formwork will be the actual area of forms in contact with concrete surfaces. Shuttering with plywood panels alone will be permitted.

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position corrosion resistant steel reinforcement (CRS) bars of Fe500D grade steel conforming to IS:1786 'JSW or SAIL 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 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.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like MS structural embedment’s/pipe and sleeves/penetration etc. using MS angles, channels, I-sections, plates, tees, flats, rounds, square sections etc. including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required also arranged by the contractor at his own cost.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density complete in all respects as per clause 406 of MoRT&H specifications for road and bridge works (4th revision or latest) and as directed by the Engineer-in-Charge.

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:5 using crushed stone sand including suitable scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for the following floors.

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, 15mm thick including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

Providing and applying a protective painting with Anti-Carbonation coating to the external wall surfaces (Rough cast / Plain surfaces) at all locations and at all elevations including preparing the surface, removing existing emulsion or any coat, providing and applying a single component acrylic polymer based protective coating CERA INFRAGUARD – WA / FOSROC DEKGUARD / SIKAGARD 550W Elastocolor or equivalent of a minimum of 2 coats over a primer coat with CERA INFRAGUARD – WA PRIMER / FOSROC DEKGUARD / SIKAGARD 552W Primer or equivalent and cost of all materials, labour, tools, tackles, equipment’s, fuel & transport etc. complete all as directed by Engineer-in-charge and as per the specifications. The total dry film thickness of both coats excluding primary coat should be minimum of 200 microns.

Supplying and installing of 1.2mm average thick self adhesive HDPE membrane 'MAPEI Mapeproof ALS AP or Fosroc Membrane HDPE P or approved equivalent' having puncture resistance of 1100N (as per ASTM E 154), tensile strength of 21 Mpa & elongation of 700% (ASTM D412) and hydrostatic head resistance not less than 70m water head as per ASTM D 5385, peel adhesion to concrete 1100N/m as per ASTM D 903. The pre-applied, fully bonded HDPE sheet membrane shall be loosely laid on PCC and gets bonded to the underneath of the poured concrete of raft slab. The membrane shall have minimum of 75mm side laps and end laps which shall be sealed with double sided adhesive tape B6. The size of the membrane will be 1.2 Mtr x 20 Mtr, all complete as per manufactures specification and instructions with 10 years warranty for waterproofing membrane.

Providing and apply MAPEI's Planiseal 88 (white/ grey) CE certified ready-to-use, single component, UV stable, osmotic cementitious mortar or Fosroc Brushbond Ultraflex suitable for contact with drinking water for waterproofing concrete surfaces by brush or trowel. Apply several criss-cross coats of the product on a clean substrate saturated with water. The product must have the following mechanical characteristics when mixed with 23% water and applied to 2 mm thick. Compressive strength (EN 12190) (MPa): 25 (after 28 days), Flexural strength (EN 196/1) (MPa): 6.0 (after 28 days), Adhesion to substrate (EN 1542) (MPa): ≥ 2 (after 28 days), Impermeability expressed as coefficient of permeability to free water (EN 1062-3) (kg/m²•h0.5): W 0.05 Class III (low permeability to water) according to EN 1062-1, Permeability to water vapour equivalent air thickness SD (EN ISO 7783-1) (m): sD 1Class I (permeable to water vapour), Reaction to fire (Euroclass): E. The surface to be waterproofed must be perfectly clean and sound. Remove crumbly or loose parts, dust, cement laitance, form release agents, varnishes and paint by mechanical brushing, sanding or high water pressure. Waterproofing corners between adjacent walls and between walls and floors are to be carried out by application of alkali-resistant, elastic, rubber tape with felt backing and good deformability properties, including at low temperatures such as Mapeband H120 produced by MAPEI S.p.A, for waterproofing fillet joints between horizontal and vertical surfaces and expansion joints. Apply a first, even coat of the Mapelastic Smart waterproofing product on a clean, compact substrate with a smooth trowel, then apply the tape by pressing along the sides, making sure there are no creases or air bubbles. Apply a second layer of the waterproofing product fresh on fresh to completely cover the sides of the tape. Apply the tape in the check joints in the substrate to form an inverted “Ω” shape. Before applying MAPEI's Planiseal 88 Completely soak the substrate with water. Wait for the evaporation of the excess water. If necessary, in order to accelerate the operation, use a sponge or compressed air. Note: Suitable guarantee for 10 years is to be provided for this work. This work has to be executed as per the specification and direction of the Engineer-in-charge.

Providing and fixing FRP Ladder of size 0.45m width and 6.200m height comprising vertical post of size 75 x 75 x 6mm and horizontal rungs of 12mm dia @ 250mm C/c. FRP Ladder is to be provided with FRP cage of circular shape including all fixtures, preparation of the surfaces, scaffolding, complete all as per specifications and as directed by the Engineer-in-Charge. Note: Rate shall be Inclusive of SS anchor bolts or Hilti system for installation of FRP ladder.

Removal of existing D.I pipes of 300mm dia laid around 1.500m depth below the ground level by mechanical means including Cutting and stacking of D.I pipes and disposal of unserviceable materials within lead of 1 to 2 km as per specifications and directed by the Engineer-in-charge. Not: Excavation will be paid under relevant item.

Supplying, laying and fixing in position the following sizes of Ductile iron pipes in standard lengths K9 class confirming to IS:8329-2000 & bearing with ISI marks, suitable for rubber gasket (SPR) push on joints, pipes and cement mortar lining inside barrel conforming to ISO : 4179 including lowering them in to the excavated trenches and laying, fixing in position to proper grade and alignment all as per IS:12288 and standard specifications including cutting the pipes to the required length, cost of labour, pipes and other materials, tools and plants for laying and installing the pipe lines and testing the lines to the required hydrostatic pressure of 14 kgs/sqcm at the specified intervals but excluding cost of Ductile iron specials / fittings and joints which will be paid under relevant items. (The effective length of the DI fittings / specials, valves, Double flanged pipes etc will be deducted from the overall measurements of the pipe line for making payment against this item.)

600mm dia K9 class DI pipe

300mm dia K9 class DI pipe

Supplying and fixing, tested heavy quality DI specials / fittings K12 class socket, spigot and flanged specials such as bends, collars, tapers, tees, duckfoot bend, flanged socket and flanged spigot tail pieces, blank flanges etc and confirming to IS:9523 and IS:8329. Drilling holes to the flanged fittings shall be PN 25 Classification and socket specials / fittings shall be suitable for rubber gasket (SPR) pushon joints etc complete. (Joints will be paid for separately under relevant items).

Providing and fixing in position the following sizes of Cast iron sluice valves 'Kirloskar or Kartar or Leader’ make conforming to IS 780 class I non-raising spindle ends flanged and drilled to IS 8329:2000 and IS 9523:2000 to PN 16 classification etc. complete. (Making flanged joints will be paid for separately under relevant items.)

600mm dia

300mm dia

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INR Zero Only