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| 1 | Earthwork excavation by mechanical means (Hydraulic excavator or manual means) for foundations, trenches, etc., not exceeding 1.5m in width or 10 sqm on plan in hard gravelly soil and other types of soil including shoring, strutting, bailing of water, if necessary, dressing of sides, levelling and ramming the bottom of trenches, refilling the sides of foundation as required with selected excavated earth and depositing / disposing the surplus earth (Disposed soil to be levelled by breaking clods, if any and neatly dressed) stacking the excavated material away from edge of trenches within a lead of 50 metres, etc., all complete as per specifications and as directed by the Engineer-in-charge. (Note: Only plan dimension of the foundation concrete shall be measured for payment except for under ground water proofing.) |
| 2 | All kinds of soil upto 1.50mtr depth |
| 3 | Excavating trenches of required width by mechanical means (Hydraulic excavator / manual means) for pipes, cables etc., for depth upto 1.5m in all kinds of soil including excavation for sockets, dressing of sides, ramming of bottoms, getting out the excavated soil and then refilling the soil as required in layers not exceeding 200mm in depth, consolidating each deposited layer by ramming, watering etc., and disposing of surplus excavated soil as directed within a lead of 50m, (Disposed soil to be levelled by breaking clods, if any and neatly dressed), etc., all complete as per specification. |
| 4 | All kinds of soil upto 1.50mtr depth |
| 5 | Providing a system for dewatering and drainage of sewage from chambers to chamber, dewatering of water to nearby drain, etc., including all equipments, consumables, site protection, etc., all complete as per specifications and as directed by Engineer- in-Charge. |
| 6 | 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, leveling, curing, dewatering, if any including the cost of formwork etc., all complete as per specifications. |
| 7 | 1 : 3 : 6 (1 cement : 3 sand : 6 graded stone aggregate 20mm nominal size) |
| 8 | Filling in depression with cement brick aggregate concrete 1:2:4 using 20mm size broken brick aggregate including compacting, curing etc., all complete upto Floor V level |
| 9 | Providing, hoisting and fixing in position of following sizes of precast slabs in cement concrete 1 : 1.5 : 3 using hard broken stones of maximum size 20mm finished smooth of various sizes and patterns including necessary formwork and moulds, mechanical mixing, finishing the exposed surface, curing, fixing at all levels, grouting with CM / Cement grout wherever required, etc., all complete excluding cost of reinforcement which will be measured separately under relevant item as per specifications and as direction of the Engineer-in-charge. |
| 10 | 50 mm thick precast slab. |
| 11 | Providing, cutting, bending, placing and binding steel reinforcement using TMT bars of Fe-500D grade in all reinforced cement concrete works including cutting, bending, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire, cost of cover blocks in C.M 1:2, etc., complete as per specifications and drawings. 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). |
| 12 | Providing and constructing 110mm thick brick work in Cement Mortar 1:4 (1 Cement : 4 Coarse sand) for partition / Kerb walls using well burnt chamber bricks / FALG Bricks of approved quality including scaffolding, curing etc., complete all as per specifications. |
| 13 | Plastering 12mm thick with polymer modified cement mortar of ratio 1:4 (1 part of cement : 4 parts of sand) including adding admixtures of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) in recommended proportion, applying SBR based bond coat of approved make, scaffolding, curing and forming grooves wherever necessary, etc., all complete as per specifications and as directed by the Engineer-inCharge. Note:-1) The contractor shall commence the plastering work after plugging the inlet and dewatering of sewage to adjacent chambers, which will be paid seperately under relevent item. 2) Mixing ratio of chemicals, consumption and application shall be as per manufacturer specification. |
| 14 | Plastering with Cement Mortar 1:5, 12mm thick for brickwork / Concrete on its external faces at all lifts including scaffolding, curing and forming grooves wherever necessary all complete as per specifications and as directed by the Engineer-incharge. [Note: 6mm premium glass fibre of make Dugar & Co or Recron shall be mixed with Cement @ 60 gms of glass fibre per 50kgs of cement] |
| 15 | Providing and laying 1st quality Rectified (Jointless) Ceramic floor tiles (Glazed or Anti-skid) of size 300x300 mm or more confirming to IS : 15622 of KAJARIA (Approved concept of Digital Series) or SOMANY (Digital Series - Glasstra) or JOHNSON (Approved concept of Satin & Rustic / Glossy series) or approved equivalent make in all colours, shades in Floors laid over 20 mm thick cement mortar 1 : 4 (1 Cement : 4 sand), jointing with grey cement slurry @ 3.3 kg per sqm including dismantling the existing insitu mosaic or terrazzo tile flooring, preparation of surface, grouting the joints with white cement and matching pigments, curing, disposing the dismantled debris at suitable places shown at site within 2Kms lead, etc., all complete as per specification. |
| 16 | Replacing the existing damaged IWC pan/Orissa pan by providing and fixing in position of following size ORISSAPAN of approved make white glazed vitreous china ware ORISSAPAN WATER CLOSET of PARRYWARE or equivalent make with \\"S\\" or \\"P\\" trap with all jointing materials including removing the damaged IWC/Orissapan, chipping out the floor, concrete, brick wall, brick bat etc., making holes in masonry, fixing the new Orissapan, jointing the pipe & Trap with Lip ring of \\"PRINCE\\" or approved make, reconstructing the same, encasing the pan and trap with brick jelly concrete 1:2:4 and back filling extra space with river sand/brick jelly concrete, including disposal of debris within 2kms lead, cost of cement required for the work etc., all as per specifications and as directed by the Engineer-in-charge.Note: 1) Cost of floor finishing will be paid for separately under relevant item. 2) Brick jelly concrete for back filling extra space with broken jelly concrete will be paid for separately under relevant item. |
| 17 | Orissapan of size 580x440mm |
| 18 | Providing and fixing PVC Nahani trap of approved make conforming to the relevant IS code, heavy quality of self cleaning design with 125mm dia. round (or) 125mm square PVC grating with perforated holes on top, including chipping the existing floor concrete, exposing the damaged Nahani trap, removing the damaged Nahani trap, fixing new Nahani trap, embedding in cement concrete 1:2:4, forming circular holes by providing and fixing 110mm OD PVC pipes of required height upto floor level, jointing the outlet pipe, leveling and rendering smooth, making good the floor and wall etc., complete as per specifications. Note: 1) Rate shall be inclusive of cost of PVC pipe and embedding PCC. |
| 19 | Replacing the following sizes of existing damaged PVC pipes with new PVC pipe of 10 Kg. per sq.cm pressure pipe confirming to IS 4985 of approved make bearing ISI marking including all types of specials, cutting and removing the damaged portion of the existing PVC line, replacing new PVC pipe for flush tank & kitchen waste line with suitable jointing compounds, necessary opening/ chasing of the wall, flooring, etc., without interupting the regular water supply, cost of necessary GI clamps, screws, teakwood plugs, packing pieces, restoring the same after completing the job to its original condition etc., all complete as per specification and as directed by the Engineer-in-charge. |
| 20 | 50mm O/D PVC pipe |
| 21 | Supplying the following dia. of PVC specials of approved make with ISI mark suitable for class-III PVC pipe (6kg/sq.cm) including transporting, unloading at work site etc., all complete as per specification and as directed by Engineer. |
| 22 | 90mm PVC 45/90 Degree bend |
| 23 | Replacing the damaged CI soil waste pipe by supplying, laying and fixing of PVC pipe lines laid, embedded under floor slab and fixed to walls wherever required using SWR uPVC pipes - Type B (suitable for soil and waste discharge system having wall thickness of minimum 3.2 to maximum 3.8mm) conforming to IS:13592 - latest edition with ISI mark of approved make and PVC pasting type or Ring type specials such as door bends, door tees and cowls etc. heavy quality for soil waste or vent or antisyphonage PVC pipe including removing the damaged CI pipe, chipping/removing the embedded pipe if any, fixing the new PVC pipe with suitable clamps over Teak Wood packing pieces, restoring the same to its original condition, disposal of debris within a initial lead, stacking of retrieved CI pipes at GSO stores etc., all complete as per specification and by the Engineer-in-charge. |
| 24 | 90mm OD SWR-uPVC pipes and specials (Type B) |
| 25 | Providing and laying of underground drainage / Sewerage uPVC pipes of SN 8 class (SDR-34) conforming to IS:15328 of approved make suitable for elastomeric sealing ring joints including cost of spigot and socket end pipes with provision for sealing rings, specials, cutting, jointing with elastomeric seals, testing, etc., all complete as per specifications and as directed by Engineer-in-Charge. |
| 26 | 110mm OD uPVC pipes SN8 Class |
| 27 | Providing and constructing GULLY CHAMBER of internal finished size 300 x 300mm including providing, supplying and fixing 150 x 150mm (±10mm) PVC Gully trap with PVC grating at top of approved make including excavation in all types of soils, backfilling, embedding the trap in plain cement concrete 1:4.5:8 using 40mm size granite aggregates and constructing the chamber above the embedded PVC with 110mm thick (plus or minus 5mm) bricks in Cement Mortar 1:5 with well burnt stock bricks, plastering over both internal and external faces of brick work with Cement Mortar 1:3 mixed with SBR bonding agents 12mm thick finished smooth with a floating coat of neat cement on both faces, providing and fixing 400 x 400 x 40mm precast slab in reinforced cement concrete of 1 : 1.5 : 3 using 12mm and below hard broken granite stones including cost of gully trap, chamber etc., all complete as per specification. |
| 28 | Providing temporary sewage connections from vertical SWR stack pipes to the nearest manhole / inspection chamber by using PVC flexible hose including cutting the vertical stack pipe, connecting the PVC flexible hose with suitable specials and screw clamps, placing the delivery end at nearest manhole by opening the manhole cover, removing the temporary connection after completion of work and shifting the PVC flexible hose, restoring the sewage flow to its original condition by refixing the SWR pipe and connecting to the new chamber, etc., all complete as directed by the Engineer-in-charge. Note:1) Cost of PVC flexible hose will be paid for separately under relevant item. 2) Safety precautions shall be taken to avoid asphyxiation and any untoward accidents. |
| 29 | 90mm OD waste water pipe line |
| 30 | 110mm OD waste water pipe line |
| 31 | Supplying and fixing of following dia. PVC flexible hoses with specials for temporary sewage connection including fixing the hose with required PVC adopters / couplers and screw clamps, etc., all complete as directed by the Engineer-in-charge. |
| 32 | 90mm dia. PVC flexible hose |
| 33 | 125mm dia. PVC flexible hose |
| 34 | Raising the height of existing manholes of following sizes by using 230mm thick brick masonry in CM 1:6 and plastering with CM 1:5, 12mm thick including removing and refixing the manhole cover, disposal of debris, white washing two coats etc., all complete as per specification and as directed by the Engineer-in-charge. |
| 35 | 600x600mm manhole upto 150mm Height |
| 36 | 600mm dia manhole upto 150mm Height |
| 37 | Making connection of drain or sewer line with existing manhole including breaking in to and make good the walls, floors with cement concrete 1:2:4 mix (1cement:2 coarse sand: 4 graded stone aggregate 20mm nominal size) cement plastered on both side with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain, etc., complete. |
| 38 | For pipes 100mm to 230mm diameter |
| 39 | Internal plastering with cement mortar (CM 1:3) all around the existing sewer pipe joints of various diameters inside live sewage inspection chambers / manholes, finished with a floating coat of neat cement, including all materials, labour, tools, and necessary safety precautions, complete as directed by the Engineer-in-Charge.Note: Payment shall be made per completed pipe joint, irrespective of pipe diameter. |
| 40 | Providing temporary connection for Sullage water line connection from Gully chamber to nearest manhole / Inspection chamber using PVC flexible hose including excavating the shaft area, exposing the inlet connection of gully chamber by chipping / dismantling the masonry wall, disconnecting the gully inlet by cutting the line, connecting the inlet pipe with PVC flexible hose with suitable PVC adopter / coupler and screw clamps, placing the delivery end at nearest manhole by opening the manhole cover, restoring the connection after completion of work by removing the temporary connection and shifting the PVC flexible hose, etc., all complete as directed by the Engineer-in-charge. [Note: 1) Cost of excavation, PVC SWR pipe and PVC flexible hose will be paid for separately under relevant item. 2) Safety precautions shall be taken to avoid asphyxiation and any untoward accidents.] |
| 41 | Providing temporary connection for Sewage line connection from Toilet outlet to nearby manhole / Inspection chamber using PVC flexible hose including excavating the shaft area, exposing the toilet outlet by chipping / dismantling the masonry wall, connecting the inlet pipe with PVC flexible hose with suitable PVC adopter / coupler and screw clamps, placing the delivery end at nearest manhole by opening the manhole cover, restoring the connection after completion of work by removing the temporary connection and shifting the PVC flexible hose, etc., all complete as directed by the Engineer-in-charge. [Note: 1) Cost of excavation, PVC SWR pipe and PVC flexible hose will be paid for separately under relevant item. 2) Safety precautions shall be taken to avoid asphyxiation and any untoward accidents.] |
| 42 | Labour charges for cleaning the waste water pipe / soil pipe line shaft by removing the unwanted refuses, debris if any, cobwebs, removing vegetation growth and packing water supply line / waste water line by using CM 1:5, etc., all complete as directed by the Engineer-in-charge. |
| 43 | 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. |
| 44 | Exceeding 1 Km but not exceeding 2 Kms |
| 45 | Collection and conveyance of Sewage sludges settled in sewer lines, manhole chambers and individual / dedicated sewage collection tanks at various locations by using sewage lorry of capacity is not less than 5000 litres per trip including disposing at lift stations, cost of men, materials, machineries, suitable safety gears as required for this work, etc., all complete as directed by the Engineer-in-charge. [Note: Suitable precautions shall be taken while collection and disposal of sewage sludge to avoid asphyxiation.] |
| 46 | Levelling the garbage and dumping yard or as and when required by using mechanical means like JCB including clearing and levelling the chamber area, loading & unloading of excess soil in Vehicles for Conveying if required, etc., including cost of fuel, operator, etc., all as directed by the Engineer-in-charge. |
| 47 | 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. |
| 48 | 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. |
| 49 | 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. |
| 50 | Dismantling of 100mm dia old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials as directed by Engineer-In-Charge Note:- Cost of earth work excavation if any required will be paid for seperately under relevant item. Government of IndiaDepartment of Atomic EnergyGeneral Services OrganizationCivil Engineering Group Centralized Tender Cell TENDER DOCUMENT FOR Repairing of Gully chambers in existing sewer lines of Kalpakkam Township during the year 2026 - 2027. Tender No: GSO/CTC/CEG/307/2026 Part – II : Financial Bid (Section - VIII) INDEX S/No. Title Page No. |
| 51 | GENERAL INFORMATION FOR GUIDANCE OF TENDERERS |
| 52 | 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. |
| 53 | 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. |
| 54 | 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. |
| 55 | 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. |
| 56 | 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. |
| 57 | 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 |
| 58 | 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. |
| 59 | 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. |
| 60 | The cement shall be brought at site in bulk supply of approximately 50 tonnes or as decided by the Engineer-in-charge. |
| 61 | 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. |
| 62 | The contractor shall supply free of charge the cement required for testing. The cost of tests shall be borne by the contractor. |
| 63 | 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. |
| 64 | 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 |
| 65 | 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. |
| 66 | 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. |
| 67 | 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. |
| 68 | 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 |
| 69 | The contractor shall supply free of charge the steel required for testing. The cost of tests shall be borne by the contractor. |
| 70 | 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. |
| 71 | 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 |
