Indira Gandhi Centre For Atomic Research Tender

All kinds of soil with depth exceeding 3m but not exceeding 4.5m below average Ground level and disposing surplus excavated earth upto a lead of 50 metres.

Supplying, providing gravel/murram obtained from borrow pits from out side of DAE campus with all lifts and lead, transporting to site, spreading gravel in uniform layers, watering, ramming, consolidating by hand/mechanical roller, dressing the top surface to the required level, grading to required slope complete all as per specification and as directed by the Engineer-in-charge. Note : - a) Proper Trip sheet records shall be maintained for bringing the earth through DAE main gate with security stamp duly signed by Department Engineer. b)The Item rate shall include conducting all field tests / laboratory tests. c)Soil sample at each source has to be got approval of Engineer-in-charge before bulk supplying the same. d)Layer thickness has to be got approval from Engineer-in-charge and as directed by Engineer-in-charge.

Clearing light jungle area, bulb weeds, grass including cutting all unwanted plants, branches, twigs, wild growth etc. complete, and disposing the same 100metres away manually or burning them without disturbing other areas etc., complete all as directed by the Engineer-in-Charge. Contractor must be informed to Engineer-in-charge and prior permission shall be obtained from him for burning the wild growth.

Providing and erecting system for dewatering and drainage of water as from site/pond to main drain so as to retain the excavated formation dry for the duration required by the client / consultant including cost of all equipment’s, hose/pipes, consumables, site protection etc. all as per specification and as directed by the Engineer-in-charge.

Dismantling Plain Cement concrete by manually / by mechanical means at all levels, carefully without damaging adjacent structures including disposal of debris with 50m lead, labour, tools required etc. complete in all respects as per specifications and directed by the Engineer-in-charge.

Dismantling of RCC works at all levels by manually / by mechanical means, including Cutting and stacking of steel reinforcement bars and disposal of unserviceable materials within 50m lead as per specifications and directed by the Engineer-in-charge.

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.

Demolishing existing RR wall & Reconstructing the same quantity of Random Rubble rubble masonry in cement mortar 1:6 using crushed stone sand including providing required bond stones at 2.00 metres c/c at all course, including providing required RR stones apart from stones obtained from existing dismantled wall at all levels for foundation, basement and in superstructure, compound / boundary walls, including sizing of stones if required, raking out joints, scaffolding, curing etc., complete all as per drawing, specifications and as directed by Engineer-in-charge at all lifts Note: 1) Dismantled RR stones should be neatly cleaned before using the same in reconstruction purpose & usable stones shall be stacked properly before using it in work. 2) Required bond stones at 2 m c/c at all course shall be of precast PCC grade M15. 3) Required quantity of RR stones apart from the usable quantity of RR stones obtained from dismantled existing wall, is in the Contractor's scope. 4)All other materials for Cement Mortar, scaffolding arrangement is in the scope of work. 5) Necessary raking out joints (groove) at masonry joints to receive pointing to be done immediately each course of RR masonry completed. 6)About 20% quoted rate shall be released for dismantling & stacking work, balance 80% quoted rate shall be released once construction of RR wall is completed.

Chipping of unsound/weak concrete material from slabs, beams, columns by manually with chisel directed by Engineer-in-charge including tapering all edges, making square shoulders of cavities etc. complete and disposal of debris up to 50 metres and all lifts. - Upto 25mm average thickness for slabs

Removing concrete all around reinforcement including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap). Length of reinforcement bars cleared of concrete all around shall be measured for payment. By manual methods (hammering the rebar, using wire brushes, chiseling etc.)

Bars up to and including 12mm diameter

Bars above 12mm diameter

Cleaning reinforcement of total rust including from behind the reinforcing bars to give it a totally rust free finished steel surface. Length of reinforcement bars cleaned of rust all around shall be measured for payment.

Bars up to and including 12mm diameter

Bars above 12mm diameter

Providing applying and cleaning reinforcement the total rust by using alkaline chemical rust remover of 'Cera Rust Remover or Fosroc Reebaklens RR or any approed equivalent' with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry.

Bars up to and including 12mm diameter

Bars above 12mm diameter

Applying two coats of Anti Corrosive Protection paint (Epoxy Zinc rich primer) of approved make excluding the cost of material (which will paid under below item) over reinforcement duly approved by Engineer-in-charge.

Steel reinforcement bars up to 12mm diameter

Steel reinforcement bars above 12mm diameter

Supply of approved bonding / Passivating adhesive (Epoxy zinc primer of 'MasterEmaco P 130' or approved equvalent) for reinforcement

Providing and inserting mild steel shear key bars/ leveling gauges with epoxy of 'Cera poxy 63 or MasterEmaco ADH 220 or approved equivalent' (for shotcreting) of required length and diameter in reinforced/plain concrete as per drawing and directions of Engineer-in-charge including power drilling holes of appropriate diameters to a minimum depth of equal to 4 times the diameter of bar or 50mm whichever is more, shear key bar/levelling gauge, cleaning the drilled holes of loose dust by blowing, placing the shear key bar in position and allowing it to stay undisturbed for 24 hours. Rate shall include cost of labour, all materials, Tools & Plants for power drilling in concrete, cleaning the drilled holes of loose dust by blowing air complete except steel reinforcement.

10mm dia. 300 mm long M.S. shear key

Mixing and applying bonding coat of approved epoxy adhesive, excluding cost of material (which will paid under below item), on prepared non-metallic surface of parent material as per specifications and direction of Engineer-in-Charge complete.

Supply of approved bonding material for prepared non-metallic surface - Epoxy of 'Cera poxy 63 or MasterEmaco ADH 220 or approved equivalent' (Total weight of Resin & hardener in proportion specified by manufacturer)

Introducing new reinforcement bars for structural connections in RCC beams, lintels, columns and slabs including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and upto 200mm, fixing the reinforcement in position with Epoxy of 'Cera poxy 63 or MasterEmaco ADH 220 or approved equivalent' . (Rate shall include cost of labour, Tools & Plants for power drilling in concrete, cleaning the drilled holes of loose dust by blowing air complete. The cost of reinforcement shall be payable separately

Bars of dia more than 12mm but not exceeding 20mm

Providing rigid and water tight centering and shuttering using best quality wood/ plywood/ steel forms and centering with steel props, acro tubes etc., including strutting, propping, bracing, staging etc., complete for all RCC items fixed in position as required including labour for careful removal of form work etc., complete all as per specifications upto lintel In Horizontal / Vertical/ slanting surfaces for Columns, pillars, piers, struts, mullions, etc.

Providing and placing in position Micro-concrete 'Cera Micro concrete or Fosroc Renderoc RG45 or MasterEmaco S 340 or approved equivalent' of Grade M30, which shall be cement based prepacked single component, chloridefree, non shrink, freeflow, self compacting, ready to use after mixing water in specified proportion obtained from approved manufacturer as per specification and directions of Engineer-in-charge (Payment under his item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding /tapping with a blunt metal instrument).

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500 / Fe500D grade steel conforming to IS:1786 'SAIL annealed binding wire of 1.6mm dia in all reinforced cement or VIZAG or approved equivalent make' and tying with approved 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.

Strengthening and repairs of structural members by providing necessary additional reinforcement as per drawings and fixing necessary shear keys, applying epoxy bonding agent between old and new concrete surface, providing and placing POLYMER CONCRETE M30 grade (cement, sand, stone aggregate nominal size 6mm to 12mm) mixed with SBR LATEX polymer of 'CERA LATEX SBR or Fosroc Nitobond SBR Latex or MasterEmaco SBR 2 or approved equivalent' at dosage of 3 to 5 Kg per bag of cement & as per the manufacturer's specifications after fixing slurry tight shuttering for thickness of concrete as below. The grade of concrete is Minimum M30 grade. Additional reinforcement, shear keys, shuttering, epoxy bonding are paid elsewhere as a separate item.

10 to 25mm thick

25 to 40mm thick

Providing, mixing and applying polymer modified cement mortar in layers, each layer not exceeding 10mm thick, including trowelling with wooden tools etc. complete as per specifications and directions of Engineer-in-charge (cost of polymer shall be paid separately) For payment purposes, pre-measurement of thickness shall be done just after the surface preparation is completed. (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument), Plastering 20mm thick of Cement Sand mortar in proportion of 1:5 (1-cement : 5-graded coarse sand) with polymer admixed in proportions approved by Engineer-in-charge. (75mm size cube crushing strength at the end of 28-day to be not less than 20 N/sq.mm.)

Supply of Emulsified SBR Polymer of 'CERA LATEX SBR or Fosroc Nitobond SBR Latex or MasterEmaco SBR 2 or approved equivalent' (Rates shall be in terms of solid contents of polymer) for polymer modified mortar for above item

Propping and supporting the structural members and its adjoining areas with steel props till the completion of the particular work (adjustable or as required), bracings, steel/timber runners etc to relieve the structural member of the required load coming over it as per the pattern given by the contractor & approved by Engineer-in-charge complete. - for Steel Prop of up to 5 MT Capacity and up to 3.6 m height

Providing and fixing double Tubular scaffolding system using H-Frames / APS system or (cup lock type) on the exterior side upto seven story height made with 40mm dia M.S. tube 1.5m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in-charge. The elevation area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding.

Service charges for removal of construction debris manually, loading in tractors/trucks and disposing at a specified location over a lead of 2KM as specified by the department, including loading, unloading, levelling etc. completed all as directed by Engineer -in-charge. Note: 1) The rates in respect of this Item are applicable for the NET Quantities arrived at after making deductions for voids @ 20% in respect of soil, @ 50% in respect of Rock and @ 30% in respect of debris from the corresponding Stack / Truck measurements. 2) The earth/debris shall be dumped well inside the Dumping yard and not over approach pathway road.

Providing and constructing brick masonry at all lifts using well burnt stock bricks in cement mortar 1:6 using crushed stone sand including scaffolding, raking out joints, curing complete as per specifications and drawings for foundation, superstructure, etc. for basement and ground floor.

Providing and laying plain cement concrete 1:4:8 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 with maximum size of aggregate not exceeding 20mm 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. 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 for the levels above ground level to all levels.

Providing plastering to the internal surfaces of brickwork/concrete at all elevations in cement mortar 1:5 using crushed stone sand, 12mm thick including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, forming grooves wherever necessary, all as per specifications.

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.specifications.

Providing Rough cast plastering 20mm thick at all elevations and levels consisting of 8mm thick rough cast in cement mortar 1:3 using 6mm to 10mm size hard granite stone and crushed stone sand, over a bed of 12mm thick cement mortar 1:5 using crushed stone sand for external faces, including scaffolding, curing, providing grooves wherever required complete all as per specification & drawings and as directed by Engineer-in-charge.

Providing Flush pointing over the random rubble masonry wall with cement mortar 1:3 using crushed stone sand at all levels including scaffolding, curing, forming grooves wherever necessary all as per specifications, drawings and as directed by the Engineer-in-charge.

Providing and applying painting Two coats at all levels with premium Plastic emulsion paint of (Asian or Equivalent approved brand, colour and manufacturer) to give an even shade including preparation of the surfaces, applying putty, scaffolding complete all as per specifications and as directed by the Engineer-in-charge.

Providing and applying painting Two coats at all levels Acrylic emulsion paint (ACE or Equivalent approved brand, colour and manufacturer) to give an even shade including preparation of the surfaces, applying putty, scaffolding complete all as per specifications and as directed by the Engineer-in-charge.

Strengthening of RCC members with CF wrap system: Providing and applying single layer 400 gsm Carbon Fibre (CF) wrapping of 'Cera Cfr Membrane or Fosroc NITOWRAP CWS 450 or MasterBrace FIB 230/400 or approved equivalent' for the severely deteriorated RC members/portions after comprehensive repair such, such as columns, beams and stair case soffits. The application includes necessary surface preparation, such as grinding and application of compatible putty if required to remove any irregularities on the surface, then application of primer (two part epoxide resin system with 1:1 mix proportion) at 4-6 sqm/kg mix and leave it for drying (preferably 4 to 6 hours or overnight). Then one coat of saturant on the surface, pasting the dry CF cloth against the saturant. After this there will be stamping by brushes and rolling to saturate the cloth and followed by application of second coat of saturant and again repeated rolling to saturate the cloth etc., complete. The saturant shall be two part epoxide resin system with 1:1 mix proportion and coverage of 1.5-2.0 sq.m/kg. Mix the application of primer and saturant will be done by brush, etc. complete all as per manufacture specification and as directed by Engineer-in-charge.

Supplying and filling of flooring with granular sub-base (GSB) of Grading-II material by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density complete as per clause 401 of MoRT&H specifications for road and bridge works (4th Revision) and as directed by the Engineer-in-charge.

Providing and fixing VITRIFIED floor tiles in different sizes with water absorption less that 0.08% and confirming to IS 15622 of Marbonite or approved make in all colours and shades in Glossy or Matt or satin finish (as required by Engineer-in-charge) laid over a bed of minimum 20mm thick bed of cement mortar 1:4 using crushed stone sand (in skirting, risers of steps and dados over 12mm thick bed of cement mortar 1:3 using crushed stone sand) including machine/hand cutting to required size & shape, grouting the joints with white cement mixed with coloring pigment to match colour of tile patterns, curing, cleaning the surface neatly at the time of handing over the area complete all as per drawings and specifications. Note: The sample tile shall be got approved by the Architect/Engineer before procurement.

In flooring, tile size of 600x600mm fixing with 20mm thick bedding in cement mortar 1:4 using crushed stone sand.

Removing / cutting of existing wooden window with glass pane with frame and fixing the existing frame with hold fast in to masonry structure neatly as directed by EIC. Note: The cutting of existing window has to done carefully without damaging the remaining part of existing window to be fixed. Note: Contractor's are advised to visit to know about this item of job at site before quoting.

Overall rebate (Optional)

INR Zero Only