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| 1 | Providing and fixing double scaffolding system (cup lock type) on the exterior side at all height made using 40mm diameter M.S. tube spaced @ 1.5m center to center at both horizontal and vertical joining with cup and lock system with M.S.tube, M.S.tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc., including maintaining it in a serviceable condition for the required duration as approved, removing after completion of repair works, the scaffolding system shall be stiffened with bracings, runners connection with the building, etc., wherever required for essential safety features for the workmen, etc., all complete as directed by Engineer-in-charge.Note: 1) The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. 2) The buildings are of Ground+ 2 storeyed structure and the contractor has to observe all safety procedure while working on heights as per I.S. 3696 (Part-I) - 1987. (Safety Code for scaffolds). 3) All working platform must be of minimum 600 mm wide, made of M.S pipe and must have guard rails as per specification. 4) Screen of suitable material shall be provided to the full height of scaffolding and securely tied to protect falling objects coming out during the repair work is in progress. 5) To protect workers on lower platform against falling objects from higher level over head protection should be provided on the scaffolds. 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. |
| 2 | Providing and laying in position of plain cement concrete using hard granite broken stone for all insitu levelling courses in foundations, floor, roof screeding, encasing pipes, etc., including mechanical mixing, ramming, compaction, levelling, curing, dewatering, if any including the cost of formwork and dismantling the existing concrete, disposing the dismantled debris within 2Kms lead, etc all complete as per specifications and as directed by Engineer-in-charge. |
| 3 | 1 : 2 : 4 (1 cement : 2 sand : 4 graded stone aggregate 20mm nominal size) |
| 4 | 1 : 3 : 6 (1 cement : 3 sand : 6 graded stone aggregate 20mm nominal size) |
| 5 | Propping and supporting the structural members and its adjoining areas with steel props (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. |
| 6 | Steel Prop of up to 5 MT Capacity and up to 3.60 m height |
| 7 | Providing, erecting, placing in position and removing Formwork for all insitu concrete works at all lifts and all shapes such as circular works, chamfers, splays, etc., using Steel / Plywood shuttering including centering, scaffolding, strutting, propping with necessary bracing in all areas, fixing of EPs, cutting holes and fixing pipe sleeves, applying of approved form oil over surface in contact with concrete, de-shuttering after specified curing period, etc., all complete as per drawings and specifications.(Note : Measurement for the formwork shall be the area of forms in contact with concrete surfaces. Stop boards for construction joints will not be measured seperately for payment). |
| 8 | Providing, cutting, bending, placing and binding steel reinforcement using TMT bars of Fe-500 / Fe-500D grade in all reinforced cement concrete works including preparation of bar bending schedules, cutting, bending, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire, welding of reinforcement to existing steel reinforcement/ shear connectors, cost of cover blocks in C.M 1:2, etc., complete as per specifications and as directed by Engineer-In-Charge. Important Note: The required quantity of steel reinforcement as mentioned in the schedule should be procured by the contractor only of SAIL, Rashtriya Ispat Nigam Limited (VIZAG), TATA Steel & JINDAL from authorised dealers which shall conform to IS: 1786 (Latest Edition). |
| 9 | 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 1:1.5:3, using 20mm and below machine crushed graded stone aggregate and crushed stone sand 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. |
| 10 | Providing and constructing brick masonry at all lifts in cement mortar 1:5 using well cured flyash bricks of class 5 (non-modular) made up of using Flyash + Sand + Lime + additves (Gypsum/Cement) with waterproofing chemicals and accelerators confirming to IS-12894 or latest edition including suitable scaffolding, raking out joints, continuous curing for specified period, etc., all complete as per specifications and drawings. |
| 11 | Providing and constructing 110mm thick brick work for partition/kerb walls in cement mortar 1:4 using well cured flyash bricks of class 5 (non-modular) made up of using Flyash + Sand + Lime + additves (Gypsum/Cement) with waterproofing chemicals and accelerators confirming to IS-12894 or latest edition including suitable scaffolding, raking out joints, continuos curing for specified period, etc., all complete as per specifications and drawings |
| 12 | Supplying and fixing in position of Alkali resistance Glass fibre mesh (4-5mm square aperture with 145 gsm) over the joints of RCC and Brick work with cement paste before plastering as directed by Engineer-in-charge. |
| 13 | Supplying, fabricating and fixing Steel gate / Grill door / Balcony grills of required pattern and size comprising of MS square bars, MS flats, MS angles, etc., including cutting, bending, welding, fixing at door jamb / wall by embedding the holdfasts with CC 1:3:6 (or) providing and welding the hinges over EP's (or) fixing with anchor fasteners, plastering the damaged wall surface, finishing smooth to match with existing surface, painting the steel surface with 2 coats of metal coat PU finish paint of make MRF or other approved make over one coat of epoxy zinc phosphate primer with thinner 1110 Ep for epoxy primer and thinner for finish for metal coat paint as per manufacturer instructions, providing locking arrangements like aldrop, tower bolt, pad lock, etc., all complete as per specification.[Note: Rate shall be inclusive of lifting arrangement if any required, providing locking arrangements and fixing. Only weight of steel will be measured for payment purpose. Rate for EP's and anchor fasteners if any required will be paid for separately under relevant item.] |
| 14 | Providing and laying Cementitious water proofing treatment system comprising of bond coat, top screed concrete including preparation of surface by chipping/dismantling the existing loose surfaces/ roof tiles with bed mortar, cleaning the surface by washing throughout, filling the cracks using approved crack fillers, injection/ grouting the cracks where ever required with cement slurry using suitable water proofing admixtures, applying bond coat, finishing the top with 20mm thick IPS flooring with water proofing admixtures, leak test, curing, etc., all complete as per specifications and as directed by the Engineer-in-Charge.Note:-i) Cost of dismantling the existing tiles and bed concrete, grouting the cracks if any required will be paid separately under relevant item. ii) This treatment should be done by an agency specialized in the job having sufficient knowledge of waterproofing treatment, authorized trained applicator should be used and certificate should be submitted before commence the work. iii) This work shall be executed at inaccessible terrace at a height of upto 11m. Aluminium mobile tower scaffolding having double width platform with stairway as directed by EIC shall be provided by the contractor to access the working area during execution of work. iv) Five years guarantee from the date of completion of maintenance period shall be given by the contractor in the prescribed format of the department for the workmanship and the materials provided. v) 50% (Fifty percent) of security deposit will be retained as performance security for the guarantee period and the same will be released after successful completion of the guarantee period i.e., after five years to be reckoned from the date after the maintenance period prescribed in the contract. |
| 15 | Providing and laying High performance acrylic elastomeric water proofing treatment system including preparation of surface by cleaning the surface by washing thoroughly by mechanical and manual means, making surface free from dirt/oil/other materials, removal of loose/ cracked mortar joints of weathering tiles, filling the cracks using approved crack fillers, filling/injection/ grouting the cracks/joints where ever required with polymer modified cement mortar using admixtures, loose tiles shall be fixed firmly, applying bond coat, applying second coat of two component highly flexible cementious water proofing coat, applying third and fourth coat of high performance acrylic elastomeric coating, leak test, etc., all complete as per specifications and as directed by the Engineer-in-Charge.Note:-i) Cost for fixing new tiles if any required will be paid for separately under relevant item.ii) Cost for grouting the cracks if any required will be paid for separately under relevant item. iii) The treatment should be done by an agency specialized in the job having sufficient knowledge of waterproofing treatment.iv) Five years guarantee from the date of completion of maintenance period shall be given by the contractor in the prescribed format of the department for the workmanship and the materials provided.v) 50% (Fifty percent) of security deposit will be retained as performance security for the guarantee period and the same will be released after successful completion of the guarantee period i.e., after five years to be reckoned from the date after the maintenance period prescribed in the contract. |
| 16 | Chipping of unsound/weak reinforced cement concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type of approved make at all lifts including tapering of all edges, making square shoulders of cavities, cleaning the exposed concrete surface and reinforcement with wire brushes, disposal of debris within 2 Km lead, etc., all complete as directed by Engineer-In-Charge. |
| 17 | 25mm average thickness |
| 18 | 50 mm average thickness |
| 19 | 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.. |
| 20 | Bars upto 12 mm diameter |
| 21 | Bars above 12 mm diameter |
| 22 | Providing anti corrosive treatment to steel reinforcement by removing the rust from corroded reinforcement and applying anti-corrosive chemicals as details below including cleaning of reinforcement from rust to give it a total rust free steel surface by using alkaline chemical rust remover with paint brush, removing loose particles after 24 hours of its application with wire brush, thoroughly washing with water and allowing it to dry, applying anticorrosive coating, etc., all complete as per manufacturer specification and as directed by Engineer-In-Charge.a) Rust removal: - Removing the loose rusted particle thoroughly from the corroded reinforcement by light tapping, wire brushing and using emery paper. Applying rust converter of make Dominator plus or Bostik (Bostokleen) or FAB Chemical (Mixcoat RP). b) Anticorrosive coating: - Application of anticorrosive coating (corrosion inhibitor) of make MC Bauchemie (Zentrifix KMH) or FAB Chemical (Mixcoat ZR) or Bostik (Bostik ZRP) or Ultratech (Bindcrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications. |
| 23 | Bars upto 12 mm diameter |
| 24 | Bars above 12 mm diameter |
| 25 | Providing and fixing of 10mm dia shear connectors/ steel reinforcement in reinforced or plain cement concrete by drilling 12mm dia holes at 1mtr c/c or as specified with power driven drill machine to a minimum depth of 75mm and upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars/ shear connectors including drilling holes, fixing the steel bars in position using epoxy resin anchor grout of approved make, etc., all complete as directed by Engineer-In-Charge.(Note : The cost of steel reinforcement will be paid for seperately under relevant item) |
| 26 | Providing, mixing and applying epoxy resin based bonding agent coat over prepared concrete surface before placing new concrete of make Cera Bond EP / Fosroc Nito Bond EP/ Sikadur-32 IN or approved equivalent make including preparation surface and applying the bonding coat as per manufacturer specifications and as directed by the Engineer-in-Charge |
| 27 | Providing and applying a Anti-Carbonation coating to the external wall surfaces (Rough cast / Plain surfaces) at all locations and at all elevations including 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. |
| 28 | Repairs to damaged RCC structural members at all locations and all lifts using SBR Polymer modified plain/ reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness including preparing the dismantled concrete surface by hacking the surface for better adhesion, treating the exposed steel reinforcement using approved chemicals, providing additional reinforcement, if any required, applying bond coat, filling/plastering with polymer modified concrete repair mortar in layers using approved polymers, curing, cleaning of floor/windows thoroughly on completion of repair work etc., all complete as detailed below as per manufacturer specifications and as directed by the Engineer-in-Charge. (Note: Cost of additional reinforcement, shear keys, form work and anticorrosive treatment will be paid for separately under relevant item) a) Bond Coat: Applying SBR based bond coat of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) or Ultratech (Xtracrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications. b) Application of repair concrete: Building up with polymer modified cement concrete repair concrete of ratio 1:1.5:3 (1 part of cement : 1.5 parts of sand : 3 parts of 6mm stone aggregates) and adding admixtures in recommended proportion of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) or Ultratech (Xtracrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications (minimum 2% by wt. of cement shall be used). The mortar shall be applied in layers not exceeding 20 mm in a day. |
| 29 | 20mm average thickness |
| 30 | 40mm average thickness |
| 31 | Providing and placing in position approved polymer modified cementitious micro-concrete of minimum compressive strength M30 grade such as Micro Concrete, Fosroc Renderoc RG, Sika SikaRep Microcrete-4, Cera-Chem Cera Micro or approved equivalent, being cement-based, pre-packed, single component, chloride-free, non-shrink, free-flowing and self-compacting type, ready for use after mixing with water in the specified proportion as per manufacturer’s specifications, for repair and rehabilitation of RCC members, including addition of approved organic bipolar concrete penetrating corrosion inhibiting admixture in recommended dosage as per manufacturer’s specifications, complete with cost of all materials, labour, mixing, conveying, placing, compacting, finishing, curing, scaffolding, tools and tackles, etc., all complete and as directed by the Engineer-in-Charge.Note: Payment under this item shall be made only after proper wet curing has been carried out and the repaired surface has been satisfactorily evaluated by sounding/tapping using a blunt metal instrument, as directed by the Engineer-in-Charge. |
| 32 | Repairs to internal/ external plastering over brick work/ concrete at all locations and all lifts using Polymer modified cement repair mortar including preparing the surface by hacking the surface for better adhesion, providing glass fibre mesh or chicken reinforcement, if any required, applying bond coat, filling/plastering with polymer modified repair mortar in layers using approved polymers, curing, cleaning of floor/windows thoroughly on completion of repair work etc., all complete as detailed below as per manufacturer specifications and as directed by the Engineer-in-Charge. a) Surface Preparation: Preparing the wall surface by chipping of unsound/ weak /loose plaster surface mortar with manual Chisel and/ or by mechanical means at all lifts including cutting/trimming of edges to provide firm vertical faces, making square shoulders of cavities, cleaning the exposed surface to make surface dust free, disposal of debris within 2 Km lead. b) Bond Coat: Applying SBR based bond coat of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) or Ultratech (Xtracrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications. c) Application of repair mortar: Building up with polymer modified cement repair mortar of ratio 1:4 (1 part of cement : 4 parts of sand) and adding admixtures in recommended proportion of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) or Ultratech (Xtracrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications (minimum 2% by wt. of cement shall be used). |
| 33 | 20mm average thickness - Plain plaster |
| 34 | 19mm average thickness Rough cast plaster (7 mm thick rough cast in C.M 1.3 using 6 mm and below size granite chips over 12 mm thick base coat) |
| 35 | Repairing and rectifying the minor repair works in CM 1:3 like wall cracks, floor cracks, spalling of mortar on sides of doors, windows, wall and door joints, including white / colour washing and the cost of materials, T&P etc., all complete as directed by Engineer-in-charge. |
| 36 | Repairs to the wall and ceiling cracks by chipping and removing the damaged portion upto 20 to 30mm deep, 100 to 200mm wide and plastering with CM 1:3 including making grooves over cracks, grouting with cement slurry or approved crack filling compound of make MC Bauchemie (MC Crackfill) or other approved make, providing glass fibre mesh or chicken reinforcement over the area, applying SBR based bonding chemicals, finishing the surface, curing, disposing the debris at suitable places within 2Km lead etc., all complete as per specification and as directed by Engineer-in-charge |
| 37 | Repairs to the wall and ceiling cracks by chipping and removing the damaged portion upto 20 to 30mm deep, 100 to 200mm wide and plastering with CM 1:3 including making grooves over cracks, grouting with cement slurry or approved crack filling compound of make MC Bauchemie (MC Crackfill) or other approved make, finishing the surface, curing, disposing the debris at suitable places within 2Km lead etc., all complete as per specification and as directed by Engineer-in-charge |
| 38 | Flush pointing on roof tiles by removing the damaged pointing over existing roof tiles, cleaning, removing any growth of vegetation, washing thoroughly, pointing the joints with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement including filling the gap with polymer modified mortars or other approved water proofing chemicals etc., all completed as per specification and as directed by Engineer. |
| 39 | Repairs to the Roof tiles by chipping out the damaged portions of tiles with bed mortar, cleaning the surfaces by washing thoroughly, grouting the cracks with cement slurry and levelling the surfaces with screeding by using 8 to 10mm thick in CM 1;3, using CICO or other approved water proofing chemicals and laying one course of pressed new flat clay tiles over a bed of CM 1:3, 20mm thick mixed with crude oil 5% by weight of cement pointing the joints with CM 1:3 finishing, curing etc., and disposing the dismantled debris at suitable places shown at site within 2Km lead, etc., all complete as per specification and as directed by Engineer-in-charge. |
| 40 | Painting the existing Doors, windows, grills, pipe line and rolling shutter, etc., with one coat of synthetic enamel paint of approved make and brand, shade and colour including cost of all materials, labour, tools and plants, scaffolding, smooth, all lifts / height with safety measures, etc., complete all as per specification and as directed by Engineer-in-charge. [Note: The samples should be got approved by the EIC before placing.] |
| 41 | Attending minor repair works in doors, windows, ventilators of various types of vaccant houses by servicing the fittings and replacing the wornout fittings if any, refixing the same, and also other carpentry related complaints if any etc., complete all as directed. [Note: 1) The rate quoted shall be for each door/window shutter.2) Furniture fittings if required will be supplied by the department at free of cost or paid under separate item.] |
| 42 | Door's and Cupboards |
| 43 | Repairing and refixing of PVC shutters including removing the shutter, jointing the loose joints with PVC solvent or synthetic resin adhesive & screws, refixing the shutter, etc., all complete as per specification and as directed by the Engineer-in-charge. (Note: Cost of furniture fittings will be paid for separately under relevant item.) |
| 44 | Providing and fixing IS : 12817 marked stainless steel butt hinges (Heavy weight) of make GARG or approved equivalent make including fixing with suitable stainless steel screws, etc., complete. |
| 45 | 75 x 47 x 2.50mm |
| 46 | Providing and fixing IS:204 marked Aluminium tower bolts of make 'Classic or Crown' or approved equivalent make including anodised transparent or dyed to required colour or shade, fixing with necessary CP screws, etc., all complete as per specification. |
| 47 | 100 x 10mm |
| 48 | Providing and fixing of following size anodised Aluminium hasp & staples of approved make including fixing with suitable screws. |
| 49 | 100mm size |
| 50 | Providing and fixing best quality SWR uPVC pipes - Type A (suitable for ventilation work and rain water applications) conforming to IS: 13592 - latest edition with ISI mark including moulded fittings/specials such as bends, shoes, etc., jointing with seal ring conforming to IS - 5382 leaving 10mm gap for thermal expansion, fixing to the wall with adequate no. of PVC clips for rain water down take pipes etc., all complete as per specifications and as directed by the Engineer in charge. |
| 51 | 110mm OD SWR - Type A |
| 52 | Refixing of 110mm dia. PVC rain water pipes of existing Rain water pipes which have come out from its original position due to decay of teak wood plug/packing piece, rusted GI clamps including providing new Teak wood plug/packing piece, fixing with new GI clamp with necessary screws, etc., all complete as directed by the Engineer-in-charge. |
| 53 | Disposal of surplus excavated earth / Debris by collecting, loading, transporting by mechanical means and unloading them at places as shown by the Department within a lead specified below and levelling, etc., all complete as per specifications 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. |
| 54 | Upto 1 Km or part thereof |
| 55 | Dismantling Reinforced cement concrete at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge. |
| 56 | Dismantling Plain cement concrete/Brick bat coba at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge. |
| 57 | Dismantling Brick work in cement mortar at all lifts including clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge. |
| 58 | Dismantling of old plastering / skirting including raking out the joints, cleaning the surface for plastering, disposal of debris within a initial lead of 50m, etc., all complete. |
| 59 | Dismantling of Tile work in floors and roofs laid in CM upto 25mm thick including removal of tiles, stacking as directed, disposal of debris within a initial lead of 50m, etc., all complete. |
| 60 | Cutting and removing the existing steel structures/members of steel structures safely without disturbing/cutting the other members and stacking at department specified location including necessary machineries, tools, consumables and labour charges as directed by the Engineer-in-Charge. Prior approval should be obtained from Engineer-in-Charge for the method of cutting/removing. |
| 61 | Removing of existing Polycarbonate sheet/MS sheets for roofing including labour charges, safety equipment's, ladders for access, hand rails, working platform at required levels and hand over the same to the GSO departmental stores etc., all complete and as directed by theEngineer-in-Charge. Government of IndiaDepartment of Atomic EnergyGeneral Services OrganizationCivil Engineering Group Centralized Tender Cell TENDER DOCUMENT FOR Retrofitting and painting of CISF Barrack in Kalpakkam Township. Tender No: GSO/CTC/CEG/342/2026 Part – II : Financial Bid (Section - VIII) INDEX S/No. Title Page No. |
| 62 | GENERAL INFORMATION FOR GUIDANCE OF TENDERERS |
| 63 | 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. |
| 64 | 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. |
| 65 | 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. |
| 66 | 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. |
| 67 | 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. |
| 68 | If contractors need any clarification they are required to contact the ‘Head, CTC, CEG, GSO, Kalpakkam – 603 102, Chengalpattu district, Tamilnadu (Ph – 044 - 27481238 and 044-27480500 Extn. 84727, 85803) during office hours. SECTION VIII - CONDITIONS FOR CEMENT & STEEL |
| 69 | The contractor shall be responsible for supply of cement and procure Ordinary Portland Cement conforming to IS 269-2015 / Portland Pozzolona Cement conforming to IS: 1489-2015 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. The secured advance on cement shall be regulated as per Clause 10-B of conditions of contract. Secured advances on cement up to 90% of assessed 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. Prior approval to be obtained from the Engineer for the quantities proposed to be purchased. |
| 70 | The contractor shall procure Ordinary Portland Cement conforming to IS 269-2015 / Portland Pozzolona Cement conforming to IS: 1489-2015 and use it on works. Ordinary Portland Cement, as required in the work, from reputed manufacturers of cement, having a production-capacity of one million tonnes per annum or more, such as A.C.C., L & T, J.P. Rewa, Vikram, Shri Cement, Birla Jute and Cement Corporation of India, etc., as approved by Ministry of Industry, Government of India, and 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. |
| 71 | The cement shall be brought at site in bulk supply of approximately 50 tonnes or as decided by the Engineer-in-charge. |
| 72 | 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. |
| 73 | The contractor shall supply free of charge the cement required for testing. The cost of tests shall be borne by the contractor. |
| 74 | 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. |
| 75 | 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. REINFORCEMENT STEEL |
| 76 | The contractor shall procure only TMT bars of Fe-500 / Fe-500D Grade conforming to IS – 1786 (Latest edition) produced by the following manufacturers SAIL, RINL, TATA & JINDAL with a test certificate and use it on works after getting approval from department Engineer or tested in department laboratory. 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. |
| 77 | 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. |
| 78 | 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. |
| 79 | 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 For consignment below 100 tonnes For consignment over 100 tonnes Under 10 mm dia. One sample for each 25 tonnes or part thereof One sample for each 40 tonnes or part thereof 10 mm to 16mm dia. One sample for each 35 tonnes or part thereof One sample for each 45 tonnes or part thereof Over 16 mm dia. One sample for each 45 tonnes or part thereof One sample for each 50 tonnes or part thereof |
| 80 | The contractor shall supply free of charge the steel required for testing. The cost of tests shall be borne by the contractor. |
| 81 | The theoretical consumption of steel on work 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 Weight Kg/Metre 5.0 0.154 6.0 0.222 8.0 0.395 10.0 0.617 12.0 0.888 16.0 1.58 20.0 2.47 25.0 3.85 28.0 4.83 32.0 6.31 36.0 7.99 However the payment for 6mm and 8mm dia. (nominal size) MS rods will be based on the weight as arrived at by the procedure as specified below. For the purpose of arriving at an average weight per unit length of any individual size of the bar, a set of bars of the same size selected at random from each consignment shall be weighed, their lengths accurately measured and average weight per unit, length found out. Unit weights thus found out, for each size and each consignment shall be approved by the Engineer. Bars measured as used in works shall be converted into weight by adopting unit weights referred to above. |
| 82 | Steel brought to site and steel remaining unused shall not be removed from site without the written permission of the Engineer-in-charge. Please Enable Macros to View BoQ information |
