Structural Retrofitting work in Cooling tower basin at RRDL Phase III extension building at IGCAR, Kalpakkam.

All kinds of soil with depth upto 1.5m below average Ground level and disposing surplus excavated earth upto a lead of 200 metres.

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.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-in-Charge for the following.

Upto 25mm average thickness

Chipping the RCC around the steel reinforcement with average 25mm gap (but not less tha 15mm clear air gap) including chipping the concrete with sharp tools without damaging the reinforcement, cleaning the reinforcement to facilitate application of rust remover/anti corrosive treatment etc. for below mentioned steel reinforcement all complete as directed by the Engineer-in-Charge.

Bars upto 12mm diameter

Bars above 12mm diameter

Cleaning of reinforcement from rust from the reinforcing bars of following diameter to give it a total rust free steel surface by providing and using chemical rust remover of ‘Cera Rust remover/Fosroc Reebaklens RR/Sika Rustoff-100 or approved equivalent make 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, all complete as per direction of Engineer-in-Charge.

Bars upto 12mm diameter

Bars above 12mm diameter

Providing and applying two coats of Anti Corrosive Protection paint (Epoxy Zinc rich primer) of ‘Cera Zinc ZR / Fosroc Nitozinc Primer / Sika FerroGard-950 IN‘ or approved equivalent make over reinforcement of below mentioned diameter complete all as per manufacturers specification and all as directed by the Engineer-in-Charge.

Steel reinforcement bars upto 12mm diameter

Steel reinforcement bars above 12mm diameter

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to specified depth below, Fixing of following diameter shear connectors/steel reinforcement in reinforced or plain cement concrete using epoxy resin anchor grout including power driven drill machine to a depth mentioned below in RCC beams, lintels, columns, slabs and other required members to introduce steel bars/ shear connectors including drilling holes, including providing and fixing the steel bars in position using epoxy resin anchor grout of ‘Sika AnchoFix-3030 or fischer Injection Mortar FIS EM PLUS or Hilti HIT-RE 500 V4 or approved equivalent make’ etc., all complete as directed by Engineer-In-Charge. Note : The cost of steel reinforcement used as shear connector / steel reinforcement will be paid for separately under relevant item.

10mm dia bar, upto 200mm embedment depth

Providing, mixing and applying epoxy resin based bonding agent coat of ‘Cera Bond EP / Fosroc Nito Bond EP/ Sikadur-32 IN’ or approved equivalent on chipped portion of concrete/prepared concrete surface, complete all as per specifications and as directed by the Engineer-in-Charge

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. 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.

From FFL to (+) 15.0m Lvl

Providing and placing in position Micro-concrete of below mentioned grade Cera Micro concrete or Fosroc Renderoc RG or SikaRep Microcrete-4 or approved equivalent make, 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 for used in members as directed, all 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)

Micro concrete of M30 grade

Conveying the surplus excavated earth & debris, boulders and spoil by mechanical means and depositing at places inside DAE installation identified as Dumping yard as per requirement with a lead specified below including loading, unloading, breaking clods, levelling all complete as per specification and as directed by the 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 and @ 50% in respect of Rock from the corresponding Stack / Truck measurements. 2) The earth shall be dumped well inside the Dumping yard and not over approach pathway road.

Lead charges for lead Exceeding 4 kilometre but not exceeding 5 kilometre

Providing and laying plain cement concrete 1:4:8 using 25mm 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.

Providing and fixing double Tubular scaffolding system using H-Frames / APS system or (cup lock type) on the exterior side 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. Note : 1. The elevation area of the scaffolding shall be measured for payment purposes. 2. The payment shall be made once irrespective of duration of scaffolding. 3. The scaffolding system drawing shall be got approved by Engineer-in-Charge. 4. The contractor has to observe all safety procedure while working on heights as per I.S. 3696 (Part-I) (Safety Code for scaffolds). 5. Screen of suitable material shall be provided to the full height of scaffolding and securely tied to protect falling objects coming out during the work is in progress. 6. Necessary aluminium / M.S. ladder shall be provided at the cost of the contractor, to the full height of scaffolding at required location around the building to enable Departmental Supervisor/Engineer climb up and closely watch the repair work of the building.

Manufacturing, supplying, hoisting and fixing in position at all lifts, precast units of various patterns and sizes for precast plain solid units, slabs, exhaust fan moulds etc., in reinforced cement concrete of 1:2:4, using 20mm and below machine crushed graded stone aggregate including weigh batching, mechanical mixing, casting, vibrating, finishing of exposed faces, curing, necessary formwork & moulds, transporting and placing at all lifts, preparation of connections, grouting with cement mortar/cement grout wherever needed excluding steel reinforcement complete all as per drawing, specification and as directed by Engineer-in-Charge.

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates and crushed stone sand including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all 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 structural elements including dewatering wherever necessary (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 for all insitu item. 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 370 kg. of cement per cu.m. of concrete upto five floors (Each floor height 3.75m)

Providing, straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement at all levels 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.

Removing moulded interlocking paver block without damaging shape & design including relaying in different place etc. including laid over 100mm thick compacted bed of crushed stone sand (cost inclusive of crushed stone sand) all complete as per specification and as directed by the Engineer-in-Charge.

Dismantling old plaster or skirting raking out joints without disturbing structure and cleaning the surface for plaster at all levels including disposal of rubbish to the dumping ground within 50 metres lead all as per specifications and directed by the Engineer-in-charge.

Providing and constructing brick masonry at all lifts using well burnt stock bricks / Flyash 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

Upto FFL

Above FFL to Five floor level [Each floor height 3.75m]

Providing plastering to the internal surfaces of brickwork/concrete at all elevations/levels 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 and as directed by the Engineer-in-Charge.

Providing plastering to the external surfaces of brickwork/concrete at all elevations/levels 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 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 (putty for touch up to fill up crevices, mild depression etc.), scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Providing and applying painting two coats on ceiling surface at all levels with white colour Cement paint (Snowcem or Equivalent approved brand, and manufacturer) to give an even shade including preparation of the surfaces, scaffolding, curing complete all as per specifications and as directed by the Engineer-in-Charge.

Providing and laying 25mm thick Indian patent stone flooring and skirting with cement concrete 1:2:4 using 10mm and below size hard broken granite stone jelly and crushed stone sand and including dividing strips, laying in panels, consolidating, curing, rubbing the surface smooth, cleaning the surface neatly at the time of handing over the area complete all as per specifications and as directed by the Engineer-in-Charge.

Providing plastering mixed with SBR polymer at all elevations 20mm thick in two coats (each layer not exceeding 10mm thick) in polymer modified cement mortar 1:5 using crushed stone sand, with SBR polymer admixed in proportion @ 2 percent weight of cement (75mm size cube crushing strength at the end of 28-day to be not less than 20 N/sq.mm.) including hacking of concrete surfaces with pointed tool wherever necessary, scaffolding, finishing, curing, cost of polymer, forming grooves wherever necessary, trowelling with wooden tools all as per specifications and as directed by the Engineer-in-Charge. Note : 1. Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by Department Engineers. 2. Preferred make of SBR from ‘Cera latex SBR / Fosroc Nito Bond SBR / Sikalatex SBR’ or approved equivalent

Providing and applying a Anti-Carbonation coating to the external wall surfaces (Rough cast / Plain surfaces) at all locations and at all elevations including removing existing emulsion or any coat, preparing the surface, providing and applying a single component acrylic polymer based protective coating ‘Cera Infraguard – WA / Fosroc Dekguard E2000 / Sikagard 550 W IN or approved equivalent of a minimum of 2 coats over a primer coat with Cera Infraguard – WA primer / Fosroc Dekguard WB primer / Sikagard-552 IN Primer W’ or approved equivalent and cost of all materials, labour, tools, tackles, equipment’s, 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. Note: 1) Scaffolding work will be paid in separate item. 2) The contractor shall arrange the suitable safety arrangements for executing the work at his own cost as directed by the Engineer-in-Charge.

Providing repair work to the cracks in joints between plastered wall to column/beam junctions and other required locations and at all elevations upto 20 to 30mm deep and below mentioned width including preparing the surface, applying polymer bonding agent, cost of all materials, labour, tools, tackles, equipment’s, transport etc. complete all as directed by Engineer-in-Charge and as per the specifications. a) Surface preparation: Chipping and removing the existing plastered wall surfaces to the required depth and surface preparation such as removing the loose materials, dust and other laitance with wire brush and coir brush, etc. complete. b) Bonding coat on surface: Providing and applying a coat of epoxy resin based bonding agent of ‘Cera Bond EP / Fosroc Nito Bond EP/ Sikadur-32 IN’ or approved equivalent to the cleaned and prepared concrete surface prior to applying of polymer modified mortar. c) Polymer modified mortar : Applying polymer modified mortar 1:3 (1 cement : 3 crushed stone sand) admixed with ‘Cera latex SBR / Fosroc Nito Bond SBR / Sikalatex SBR or approved equivalent’ at 6% weight of cement (or as per manufacturer recommendation) for a thickness of 20mm to 30mm by mechanically or manually and neatly finished as instructed over the prepared surface. Note: 1) Scaffolding will be paid in separately in the relevant item. 2) The contractor shall arrange the suitable safety arrangements for executing the work at his own cost as directed by the Engineer-in-Charge.

Above 150mm and upto 200mm wide

Dismantling old weather proofing materials such as brick bat coba or foam and screed concrete at all levels and cleaning the surface including disposal of rubbish to the dumping yard within 50 metres lead all as per specifications and directed by the Engineer-in-charge.

Providing and constructing haunching of size 100mm X 100mm using CC 1:2:4 using 6mm down graded chips admixed with approved make of SBR latex at 1kg per 50kg (1 bag) of cement complete all as directed by Engineer-in-Charge.

Providing on the floor area by screeding with screed concrete of M20 grade with total minimum cementitious content (cement + fly ash content not exceed 20 % by weight of total cementitious content) 320kg/cum of concrete and minimum cement content of 256 Kg/cum of concrete (shall be using 10mm down aggregate) admixed with crystalline based integral water proofing admixture of approved make at the ratio of 0.8% by weight of cement (or as per manufacturer recommendation) to the required thickness and slope at terrace water proofing including applying one coat of SBR polymer modified cementitious bond coat at 2.2 kg cement per sqm of surface area mixed with specified proportion (at 10% of cement weight or as per manufacturer specification) of SBR polymer of approved make over the prepared surface at all locations and all elevation and specification and as directed by the Engineer-in-Charge. Note: 1) The area shall be tested for any leakage by ponding of water (water holding test) before and after application of treatment in panels. (panels shall be made by least ratio of cement mortar and the same shall be thoroughly cleaned before receiving further treatment). 2) This item shall include placing the pumpable concrete by boom placer, concrete pump, supply of RMC concrete in Transit mixer as directed by Engineer-in-charge if bulk quantity is required according to the site conditions. 3) Concrete shall be placed in layers in such a way that fibre glass mesh (if required by Engineer-in-Charge) will be fixed in between layers and fixing of fibre glass mesh shall be paid under separate item.

Supplying and fixing in all position of Alkali resistance Glass fibre mesh of Gyproc Fiber Mesh or approved equivalent (4-5mm square aperture or as per specified at site with 145 gsm) fixed with neat cement paste or by manufacturer recommendation fixed below screed concrete with minimum 100mm overlapping at mesh joints and as instructed by Engineer-in-Charge.

Providing and injecting polyurethane based injection resin grout ‘Cera Inject SS/Fosroc Nitofill WS60/ Sika Injection-201 IN’ at all levels in proportion recommended by the manufacturer into cracks, honey-comb area, arresting roof leaks, low roof leakages, underground sump leaks and other required members by suitable gun/pump at required pressure including cutting of nipples after curing, all machinery , tools, manpower, necessary scaffoldings etc. complete all as directed by the Engineer-in-Charge. Note: The consumption of grout material measured for bill is the actual quantity of intake during grouting. Wastages during grouting process and other wastages are not considered for measurement.

Providing water proofing treatment to the RCC cast insitu terrace and gutters using ‘CERA WP SHIELD P4180 / Fosroc Torchseal 4PI or approved equivalent’ 4mm thick and ‘CERA WP SHIELD SLATED / Fosroc Torchseal 4PI or approved equivalent’ 4mm thick as per specifications and as directed by the Engineer-in-Charge for following. a) The existing tarfelt, bituminous primer, WP Tiles and foam concrete, waterproofing membranes & cement based water proofing treatment, and all types of water proofing treatment shall be removed completely by cutting and peeling off from the surface and disposing the same 50m beyond the building area. b) V grooves shall be cut along the surface crack, along the construction joints on wall - slab joints and the same shall be filled with cementitious non shrink grout ‘Cera Grout 40 / Fosroc Conbextra GP / SikaGrout-214 IN S or approved equivalent’. c) The area shall be tested for any leakages by ponding of water (water holding test) before and after application of treatment in panels. (panels shall be made by least ratio of cement mortar and the same shall be thoroughly cleaned before receiving further treatment). Incase of any leaks found, Foam grouting shall be done, which will be paid under relevant item. d) When the entire surface is water-tight, dry and moisture free, one coat of bituminous primer shall be applied over surface @ 0.3 kg/sqm and 1st layer of 5 - layered, 4mm thick, polymer reinforced APP membrane WP SHIELD P4180 from CERA / Torchseal 4PI from FOSROC / SIKA shall be laid with 200mm overlapping by torch - on application when the primed surface is tacky and as per the manufacturers recommendation. e) The second layer of 4 or 5 - layered, 4mm thick, polymer reinforced APP membrane WP SHIELD - SLATED from CERA / Torchseal 4PI from FOSROC / SIKA shall be laid with 200mm overlapping by torch - on application when the primed surface is tacky and as per the manufacturers recommendation shall be laid in perpendicular direction to the first layer. Note: i) The treatment should be done by an agency specialised in the job having sufficient knowledge of water proofing treatment. Suggested vendors : (1) M/s. Cera-Chem Pvt. Ltd., Chemicals (2) M/s. Fosroc Chemicals (3) M/s. Sika India Pvt. Ltd. Chemicals ii) Ten years guarantee shall be given by the contractor in the prescribed form of the department for the above water proofing treatment work

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 110mm outer dia

Providing Welding of Reinforcement Steel Rods at all elevations including scaffolding, complete all as directed by the Engineer-in-Charge for the following. The welding process to Conform with IS 9417 and the welding electrodes to conform with IS 814.

8mm dia rod, length of welding 10xdia

16mm dia rod, length of welding 10xdia

20mm dia rod, length of welding 10xdia

25mm dia rod, length of welding 10xdia

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, sag rod, square sections etc. including chamfering and rounding off the edges, applying painting as described below 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: 1. Lifting device arrangements if any required also arranged by the contractor at his own cost. 2. Painting two coats of polyurethane paint with one under coat of suitable Epoxy/PU primer of approved make and colour as directed by the Engineer-in-Charge.

Providing Structural steel work in M.S Plain Plates and chequrred Plates in Embedded Parts, Trench Covers, Connection plates etc. including cutting, hoisting, fixing in position and applying painting as mentioned below. including cost of structural steel Plates, welding all labour charges etc. complete as per drawings and specifications. Structural steel plates to be used shall be of approved make. Note: Painting two coats of polyurethane paint with one under coat of suitable Epoxy/PU primer of approved make and colour as directed by the Engineer-in-Charge.

Government of India Department of Atomic Energy Indira Gandhi Centre for Atomic Research CIVIL ENGINEERING GROUP

Tender No. :

INDEX

Section

Schedule of Quantities

Section VIII

I. GENERAL INFORMATION FOR GUIDANCE OF TENDERERS

The schedule of quantities is to be read for the purpose of pricing in conjunction with the special conditions, general rules for the guidance of contractors, conditions of contract, specifications, drawings, schedule of supply of materials and the appendices.

The prices inserted in the schedule of quantities shall be inclusive of value of the work described including all cost and expenses, which may be required in and for the construction of the work described together with the general risks, liabilities and obligations not forth or implied in the documents on which the tender is to be based.

The quantities stated are to be considered approximate only and the unit prices entered in the schedule of quantities and prices shall apply only to the actual quantities measured in the completed work in accordance with the specifications.

All the materials other than those shown in schedule of supply of materials in section VII are to be arranged by the contractor and his rates should account for the same.

Rates quoted for all items in this tender shall include cost of all materials including cement and steel. Department will not supply any materials other than materials stipulated in Section VII of the tender and as such the rates quoted must be all inclusive.

The contractor shall be responsible for supply of cement and procure OPC cement conforming to IS 269 (Latest edition) and use it on works. Since the supply of cement by the department has been dispensed all the clauses relevant to supply of cement by department in this tender document stands cancelled. The contractor shall purchase cement from the approved manufacturers only. Secured advances on cement up to 75% of purchase price shall be paid to the contractor after indemnifying the Government and through insurance cover. The quantity of cement on which secured advance shall be paid will be restricted to the consignment of cement tested and passed in the test in department laboratory. The secured advance on cement shall be regulated as per Clause 10B of conditions of contract. Prior approval to be obtained from the Engineer for the quantities proposed to be purchased.

Regarding supply of STEEL the contractor shall procure only TMT barsof Fe – 500D Grade conforming to IS – 1786 (Latest edition) from main producers as approved by the Ministry of Steel like M/s SAIL, M/s ISPHAT Nigam Limited, M/s VIZAG Steel & M/s TISCON with a test certificate, and use it on works after getting approval from department Engineer or tested in department laboratory. In case of non-availability from aforesaid manufacturers, reinforcing steel of other makes manufactured from ingots alone will be permitted with the prior approval of Engineer-in-charge. Sample shall be tested for all the required parameter as specified in the BIS before bulk purchase.

Contractor shall make his own arrangements for construction water supply to carryout this work.

Compensation for escalation in the prices of materials and labour when due is permissible as per provisions in Clause 10CC of conditions of contract.

If contractors need any clarification they are required to contact the Chief Engineer, Civil Engineering Group, Indira Gandhi Centre for Atomic Research, Central Design Office, Kalpakkam 603 102, Kancheepuram District, Tamilnadu. (Telephone STD Code: 044 – 27480306)

II. CONDITIONS FOR CEMENT :

The contractor shall procure OPC cement conforming to IS 269 (Latest edition), as required in the work, from reputed manufacturers of cement, such as M/s. Ultratech Cements, M/s. Zuari Cements, M/s. Coromandel, M/s. Penna, M/s. Priya Cements, M/s. Chettinadu Cement,M/s. Dalmia cementsand holding license to use ISI certification mark for their product whose name shall be got approved from Engineer-in-charge. Supply of cement shall be taken in 50 Kg. bags bearing manufacturer’s name and ISI marking, samples of cement arranged by the contractor shall be taken by the Engineer-in-charge and got tested in accordance with provisions of relevant BIS codes. In case test results indicate that the cement arranged by contractor does not conform to the relevant BIS codes, the same shall stand rejected and shall be removed from the site by the contractor at his own cost within a week’s time of written order from the Engineer-in-charge to do so.

The cement shall be brought at site in bulk supply of approximately 50 tonnes or as decided by the Engineer-in-charge.

The cement Godown of having a capacity to store minimum of 2000 bags of cement shall be constructed by the contractor at site of work for which no extra payment shall be made from department. Double lock provision shall be made to the door of the cement godown. The keys of one lock shall remain with the Engineer in charge or his authorised representative and the key of the other lock shall remain with the contractor. The contractor shall be responsible for the watch and ward the safety of the cement godown. The contractor shall facilitate the inspection of the cement godown by the Engineer-in-charge at any time.

The contractor shall supply free of charge the cement required for testing. The cost of tests shall be borne by the contractor.

The actual issue and consumption of cement on work shall be regulated and proper accounts maintained as provided in Clause 10 of the contract. The theoretical consumption of cement shall be worked out as per procedure prescribed in Clause 42 of the contract and shall be governed by conditions laid therein.

Cement brought to site and cement remaining unused after completion of work shall not be removed from site without written permission of the Engineer-in-charge.

III. CONDITIONS FOR STEEL:

The contractor shall procure steel reinforcement bars conforming to relevant BIS codes from main producers such as M/s SAIL, M/s RINL, M/s. TATA Iron & Steel Co., M/s. IISCO and M/s. JSW Neo Steel with a test certificate, and use it on works after getting approval from department Engineer or tested in department laboratory. In case of non-availability from aforesaid manufacturers, reinforcing steel of other makes manufactured from ingots alone will be permitted with the prior approval of Engineer-in-charge. Sample shall be tested for all the required parameter as specified in the BIS before bulk purchase. The contractor shall have to obtain and furnish test certificates to the Engineer-in-charge in respect of all supplies of steel brought by him to the site of work. Samples shall also be taken and got tested by the Engineer-in-charge as per the provisions in this regard in relevant BIS codes. In case the test results indicate that the steel arranged by the contractor does not conform to BIS codes, the same shall stand rejected and shall be removed from the site of work by the contractor at his cost within a week’s time from written orders from the Engineer-in-charge to do so.

The steel reinforcement shall be brought to the site in bulk supply of 10 tonnes or more or as decided by the Engineer-in-charge.

The steel reinforcement shall be stored by the contractor at site of work in such a way as to prevent distortion and corrosion and nothing extra shall be paid on this account. Bars of different sizes and lengths shall be stored separately to facilitate easy counting and checking.

For checking nominal mass, tensile strength, bend test, re-bend test, etc. specimen of sufficient length shall be cut from each size of the bar at random at frequency not less than that specified below:

Size of bar

Under 10mm dia

10mm to 16mm dia

Over 16 mm dia.

The contractor shall supply free of charge the steel required for testing. The cost of tests shall be borne by the contractor.

In case the Reinforcement steel is issued by the Department, the actual issue and consumption of steel on work shall be regulated and proper accounts maintained as provided in Clause 10 of the contract. The theoretical consumption of steel shall be worked out as per procedure prescribed in Clause 42 of the contract and shall be governed by conditions laid therein. For the purpose of payment, weight will be calculated on the basis of bar bending schedule and weights of bar given as under. Wherever actual lengths placed differ from bar bending schedule actual length will only be measured.

Bar dia (mm)

Steel brought to site and steel remaining unused shall not be removed from site without the written permission of the Engineer-in-charge.

Government of India Department of Atomic Energy Indira Gandhi Centre for Atomic Research Civil Engineering Group

TENDER DOCUMENT FOR

Cleaning of Storm water drains and roads in Southern side of IGCAR Premises during the year 2024-2025 at Kalpakkam.

Tender No. CEG/IGC/1937/2023

Part – II : Financial Bid (Section - VIII)

INDEX

Instructions to contractors

Schedule of Quantities