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| 1 | 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. |
| 2 | All kinds of soil upto 1.50mtr depth |
| 3 | All kinds of soil exceeding 1.50 mtr depth but not exceeding 3.00 mtr depth |
| 4 | Filling available selected excavated earth (excluding rock) available at site with in lead of 500m in trenches, plinth, sides of foundation, etc., in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming and watering, levelling and dressing the top surface, lead upto 200m and lift upto 1.5m etc., all complete as per specification. |
| 5 | Removal and uprooting tree roots with necessary excavation cutting the lateral roots, conveying the uprooted tree roots at the places as directed including filling the excavated pits all as per specification. |
| 6 | Providing a system for dewatering and drainage of water from site to main drain so as to retain the excavated formation dry for the duration required including all equipments, consumables, site protection, etc., all complete as per specifications and as directed by Engineer- in-Charge. |
| 7 | 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. |
| 8 | 1 : 3 : 6 (1 cement : 3 sand : 6 graded stone aggregate 20mm nominal size) |
| 9 | 1 : 2 : 4 (1 cement : 2 sand : 4 graded stone aggregate 20mm nominal size) |
| 10 | 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 separately for payment. Centering and shuttering where exceeding 3.5m height in one floor shall be measured and paid for separately. |
| 11 | For Plain Surfaces at all levels |
| 12 | 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. |
| 13 | 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). |
| 14 | 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. |
| 15 | 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 |
| 16 | Providing and constructing 110mm thick Compound wall in brickwork 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 of approved quality in CM 1:4 consisting of 110mm thick brick work, 230 x 230mm size brick pillars at every 3 meters intervals and at junctions, corners etc., brick on edge layer at bottom and top as coping including scaffolding, curing, raking out joints, etc., all complete as per Specifications. |
| 17 | Providing plastering to the external surfaces of brickwork/concrete at all elevations in cement mortar 1:5 using crushed stone sand, 20mm thick in two coats, admixed with cementitious waterproofing admixture of approved make at 400gms per bag of cement or approved water proofing chemical as with ratio as per manufacturer recommendation and 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. |
| 18 | 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.] |
| 19 | 90mm OD waste water pipe line |
| 20 | 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.] |
| 21 | 90mm OD waste water pipe line |
| 22 | Providing temporary sewage connections of following dia. using PVC flexible hoses with specials from chamber to chamber or from pipe line to chambers including fixing the hose with required PVC adopters / couplers and screw clamps, etc., all complete as directed by the Engineer-in-charge.Note:- 1) The temporary hose connection shall be provided as and when required, irrespective of the duration of the period for completion of the assigned work. After completion of the assigned job for which the hose is deployed, the same shall be removed by the contractor for further use.2) Payment shall be made on the basis of the actual running metres of hose connected with required specials and deployed for the particular job, as measured. |
| 23 | 90mm dia. PVC flexible hose |
| 24 | 125mm dia. PVC flexible hose |
| 25 | 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; 12mm thick finished smooth with a floating coat of neat cement on both faces, providing and fixing 400 x 400 x 25mm precast slab in reinforced cement concrete of 1:2:4 using 12mm and below hard broken granite stones including cost of gully trap, chamber, dismantling the existing gully trap etc., all complete as per specification. |
| 26 | Construction of rectangular Manhole/ Inspection Chamber of following size clear internally with brick masonry walls 230mm thick using well burnt chamber bricks in Cement Mortar 1:5 (with necessary corbelling as required), plastering with Cement Mortar 1:3; 12mm thick inside and outside, inside finished smooth with a floating coat of neat cement and outside trowel finished including excavation in all types of soils, back filling, providing and laying bed concrete 150mm thick and having 150mm wide projection on all the sides with Plain Cement Concrete 1:4.5:8 projection on all the sides with Plain Cement Concrete 1:4.5:8 using 40mm maximum size hard granite broken stone, forming, benching and channelling in plain cement concrete 1:2:4 using 20mm maximum size hard broken granite stone, finishing smooth etc., all as per specifications, drawings and as directed at site - to an initial depth upto 1.00 metre.(Note: The rate quoted shall be excluding the cost of cover slab & steel reinforcement which will be paid for separately under relevant item.) |
| 27 | 600x600mm for initial depth of 1.00 metre. |
| 28 | Extra depth of rectangular manhole/ inspection chambers of size 600x600mm over the initial depth of 1.00 metre. |
| 29 | Repairing and rectification of existing sewer inspection chambers including earthwork excavation around chambers, dismantling damaged portions of brick masonry, removing broken benching, completely chipping internal and external plaster, removal of cover slabs, cleaning the chamber and sewer line, providing and laying new brick masonry in cement mortar CM 1:5 as required, reconstructing benching and channel with cement concrete 1:2:4, providing 20mm thick internal plastering in CM 1:3 with waterproofing compound over a coat of approved SBR based bonding agent, providing 12mm thick external plastering in CM 1:3, replacing the exisitng manhole cover slab if cover slab found to of good condition as instructed by EIC, making good the connection joints, curing, disposal of debris, and restoring the surrounding area to original condition, including cost of all materials, labour, tools, tackles, conveyance, scaffolding, etc., all complete as directed by the Engineer-in-Charge.(Note:- Cost of FRP/RCC cover slab and frame will be paid for separately under relevant items.) |
| 30 | Repairing of Inspecfication of size 600x600mm for initial depth of 1.00 Metre |
| 31 | Repairing of Extra depth of rectangular manhole/ inspection chambers of size 600x600mm over the initial depth of 1.00 metre. |
| 32 | 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. (Note:- Removing and refixing the exisitng manhole cover slab if cover slab found to of good condition as instructed by EIC) |
| 33 | 600x600mm manhole upto 150mm Height |
| 34 | 600x600mm manhole upto 300mm Height |
| 35 | 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. |
| 36 | 110mm OD uPVC pipes SN8 Class |
| 37 | 160mm OD uPVC pipes SN8 Class |
| 38 | 200mm OD uPVC pipes SN8 Class |
| 39 | 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. |
| 40 | 90mm OD SWR-uPVC pipes and specials (Type B) |
| 41 | 110mm OD SWR-uPVC pipes and specials (Type B) |
| 42 | 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. |
| 43 | For pipes 100mm to 230mm diameter |
| 44 | 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.] |
| 45 | 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. |
| 46 | 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. |
| 47 | Exceeding 1 Km but not exceeding 2 Kms |
| 48 | Providing and laying of Wet Mix Macadam (WMM) for Sub-base and base course conforming to clause 406 of MORT&H Specification for road and bridge works (Fifth Revision) using 53mm downgraded stone aggregate including cost of coarse aggregates, fine aggregate, premixing the Material with water at OMC in mechanical mix plant, carriage of mixed Material by tipper to site, laying in uniform layers with paver/motor grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density, etc., all as per specification and as directed by Engineer-in-charge. |
| 49 | Removing and relaying the existing cement concrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand, removing the existing paver tiles, etc., all complete as per the direction of Engineer-in-charge. |
| 50 | 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. |
| 51 | Dismantling RR Masonry in cement mortar at all lifts including stacking of RR stone, clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge. |
| 52 | 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. |
| 53 | Dismantling of existing Stoneware pipes up to 230mm dia 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, dismantling of encasing PCC if any required will be paid for seperately under relevant item.) |
| 54 | 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. Government of IndiaDepartment of Atomic EnergyGeneral Services OrganizationCivil Engineering Group Centralized Tender Cell TENDER DOCUMENT FOR Revamping of branch Sewer lines with chambers of JRF LS - 4 Zone in South PDPM area of Kalpakkam Township. Tender No: GSO/CTC/CEG/343/2026 Part – II : Financial Bid (Section - VIII) INDEX S/No. Title Page No. |
| 55 | GENERAL INFORMATION FOR GUIDANCE OF TENDERERS |
| 56 | 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. |
| 57 | 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. |
| 58 | 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. |
| 59 | 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. |
| 60 | 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. |
| 61 | 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 |
| 62 | 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. |
| 63 | 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. |
| 64 | The cement shall be brought at site in bulk supply of approximately 50 tonnes or as decided by the Engineer-in-charge. |
| 65 | 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. |
| 66 | The contractor shall supply free of charge the cement required for testing. The cost of tests shall be borne by the contractor. |
| 67 | 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. |
| 68 | 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 |
| 69 | 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. |
| 70 | 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. |
| 71 | 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. |
| 72 | 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 |
| 73 | The contractor shall supply free of charge the steel required for testing. The cost of tests shall be borne by the contractor. |
| 74 | 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. |
| 75 | 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 |
