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| 1 | A. Field Data Studies:Conducting Survey for land and water body using Total Station and other suitable instrument including apex to apex traverse showing all salient features like permanent structures, roads, culverts, nalla, HT lines, telephones, sewer lines, marking trees nos and list of trees, girth type of tree etc. and establishing true North at site as directed by the Engineer and preparation of drawing etc. complete. The fixing of traverse to be done with total station and plane table with conventional method. Taking levels at every 5m c/c grid in the given area and plotting of contours at 0.5 m intervals. Taking invert levels of the existing drains along the length of the drain culvert, inlets, outlets etc complete at 10m interval including rain water, sewer line, chambers and septic tanks and submit a separate drawing for the same showing the top and invert levels.Note: (1) Invert levels of all drains and chambers and their locations shall be clearly marked on the drawing.(2) Seperate drawings shall be provided indicating all invert levels of chambers , sewer &storm water drainage lines.(3) 3 sets of hard copies of the drawings in A0 size sheets shall be submitted alongwith soft copy. |
| 2 | B. Geotechnical Investigation:Mobilisation and demobilisation of suitable boring plant and all other allied equipments like Minimum 2 boring rigs or as required number of boring rigs to complete the job in time, survey equipments and all other insitu tests equipments and manpower required to complete the scope of this work. |
| 3 | Setting up of boring rig at each location, only once for each borehole location including moves between borehole position greater than 5 M locating and marking the location on the ground by actual survey, setting up all field test equipments and bringing all personnel to the location, making area good for setting up rig etc. complete. |
| 4 | Boring vertically through all kinds of soils, weathered rock and soft rock, boulders, if any met during drilling with suitable and adequate equipment as required for the depth as measured below existing ground level. Note:(1) RQD of 10% and less will be considered as weathered/soft rock. (2) The soft or weathered rock underlying hard rock with thickness greater than 0.5 M will be considered as soft or weathered rock. (3) Core recovery of 20% and less also considered as soft rock at appropriate depth. 4) Bore holes, location, depth as specified in the drawing or as specified by Engineer incharge. |
| 5 | 0 m to 10 m. From G.L |
| 6 | 10 m to 20 m from G.L. |
| 7 | Drilling vertically through bedrock strata (Hard rock), using Nx size diamond bit, using double tube core barrel with suitable core catcher, including collection and logging of cores, placing them in approved wooden core boxes made up of 25mm thick planks with partitions of 12mm thick as per relevant IS with a coat of Anti Termite chemical in a proper sequence, numbering each core, noting the lithology, colour photographs (100X150mm size) of rock cores, locking arrangements, labeling and transporting the boxes to core store/laboratory as directed by EIC etc., all as per specifications for the following depths measured from existing ground level : Note:(1) RQD of 10% and less will be considered as weathered/soft rock. (2) The soft or weathered rock underlying hard rock with thickness greater than 0.5 M will be considered as soft or weathered rock. (3) Core recovery of 20% and less also considered as soft rock at appropriate depth. 4)Bore holes , location, depth as specified in the drawing or as specified by Engineer incharge. |
| 8 | 0 m to 20 m. From G.L |
| 9 | 20 m to 40 m. From G.L |
| 10 | Obtaining 90 mm diameter, 450 mm long undisturbed soil samples (UDS ) from boreholes WITH JARRING LINK in soil, soft and weathered rock and collecting packaging and labeling. |
| 11 | Conducting Standard Penetration Tests (SPT) in soil, soft and weathered rock and collecting, packaging and labelling disturbed soil/rock samples there from all as per IS:2131-1981(reaffirmed in 2002). |
| 12 | Conducting Standard Penetration Tests (SPT) as in Item No. 7 above but with part of the distrubed soil samples of medium stiff to hard cohesive soils to be coated with paraffin wax and sealed immediately on collection to completely retain all moisture within the sample, and part of the sample to be collected, packaged and sealed as in item No. 7 above. |
| 13 | Conducting SPT in rock with RQD greater than 10% and less than 25% all as per specifications, including replacement of SPT shoe by a new SPT shoe for each SPT as per specifications. |
| 14 | Collection of ground water samples for evaluation of ground water level and their variation as per IS:1892-1979(reaffirmed in 2002), IS:6935-1973(reaffirmed in 2012) from each borehole at specified depths (minimum 1 litre) including all provisions of sampling, packing, sealing and labeling as specified and including handling charges etc. all as per specifications. |
| 15 | Conducting Cross borehole test comprising of five boreholes, one source and four receiver bore holes (two in X-direction and two in Y-direction) for evaluation of Dynamic modulli ,dynamic Poisson's ratio,shear and compression wave velocity variation with depth . The test shall be conducted as per IS 13372(Part 2):1992 (reaffirmed in 2001),ASTM:D4428,ASTM:D7400 at specified location and depth as per direction of EIC excluding cost of drilling of appropriate size bore holes required for test upto 50 m depth, which will be paid under relevant item of this bill of quantity, PVC/Aluminum pipe casing, grouting and backfilling complete as per specifications and as directed by Engineer-in-charge. (Ref drawing) |
| 16 | Conducting Pressure meter test in NX size borehole in soft rock & hard rock with electronic probe for pressure up to 200 bar or failure which occures earlier and submitting the test data and computed parameters (like Em,PL,Creep etc.)as per IS12955(Part-2)1990 reaffirmed in 2001. at specified bore holes. (One set of test consists of testing at 4 elevations in boreholes) |
| 17 | At depth corresponding to RQD-25% |
| 18 | At depth corresponding to RQD-50% |
| 19 | At depth corresponding to RQD-75% |
| 20 | Backfilling of boreholes with 1:1 cement : bentonite/ mud grout as per specification. Operating of this item is must for satisfactory completion of work. |
| 21 | C. Field tests on Soil:Conducting Plate Load Test ( as per IS: 1888-1982 reaffirmed 2007) at foundation level using 600mm x 600mm test plate including cost of excavation, de-watering, all arrangement for reaction loading, testing depth, all as per the specifications and as directed by Engineer in Charge.Upto 5.00 Metre depth level (or as per drawings whichever is greater) |
| 22 | Carrying out Core cutter method (CCM) test (for fine grained cohesive soils) as per IS:2720(Part XXIX)-1975 (Reaffirmed 2005) to evaluate Bulkdensity,dry density.The test is to be conducted on one or more UDS(undisturbed sample) collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 23 | Carrying out Sand replacement method test (for medium&coarse grained soil) as per IS:2720(Part XXVIII)-1974 (Reaffirmed 2010) to evaluate Bulkdensity,dry density.The test is to be conducted on one or more DS(disturbed sample )collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 24 | Carrying out Sand bath method and Alcohol Method test as per IS:2720 (Part II)-1973 (Reaffirmed 2010) to evaluate Water content .The test is to be conducted on one or more DS (disturbed sample )collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 25 | D. Laboratory tests on SoilDetermination of Grain size distrubtion, percent fines of soil sample by conducting Grain Sieve analysis & Hydrometer analysis as per IS:2720(PART 4) -1985(Reaffirmed in 2006) . The test is to be conducted on one or more DS(disturbed sample ) &UDS(undisturbed sample) collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 26 | Sieve analysis. |
| 27 | Hydrometer or Pipette analysis |
| 28 | Determination of soil classification,identification, evaluating percent fines as per IS:1498-1970(Reaffirmed in 2007). The test is to be conducted on one or more DS(disturbed sample) & UDS(undisturbed sample) collected from each borehole or alternate & staggered boreholes and representative of each soil stratum as directed by the EIC, submission of test result as directed by EIC. |
| 29 | Determination of Specific gravity, natural moisture content, voids ratio by conducting Density bottle method , Pycnometer method test as per IS2720(Part III/Sec1 or Sec2 )-1980 (reaffirmed in 2002)along with submission of test result as directed by EIC. The test is to be conducted on one or more DS(disturbed sample ) &UDS(undisturbed sample) collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 30 | Determination of Water content from UDS by oven drying method as per IS : 2720(Part II) - 1973 along with submission of test result as directed by EIC. The test is to be conducted on one or more DS(disturbed sample ) &UDS(undisturbed sample) collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 31 | Determination of Liquid limit, plastic limit atterberg limits and plasticity index of soil sample as per IS: 2720 (part5)-1985 Reaffirmed in 2006. The test is to be conducted on one or more DS(disturbed sample ) &UDS(undisturbed sample) collected from each borehole or alternate&staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 32 | Determination of Shrinkage limit and shrinkage ratio of soil sample as per IS: 2720 (part-VI)-1972 Reaffirmed in 2001. The test is to be conducted on one or more DS(disturbed sample ) &UDS(undisturbed sample) collected from each borehole or alternate & staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 33 | Carrying out Chemical analysis of sub soil samples to evaluate chemical characteristics of soil including pH,Sulphates(SO3&SO4),chloride and nitrate contents,organic matter, chemicals salinity and any other chemicals harmful to the foundation material as per IS: 2720 (Part 22, 23,24,25,26 and 27) in an approved laboratory, complete as per specifications, including submission of test report .The test is to be conducted on one or more DS(disturbed sample) &UDS(undisturbed sample) collected from each borehole or alternate & staggered boreholes and representative of each soil stratum as directed by the EIC. |
| 34 | Same as in Item No. 24 above, but on 2:1 water:soil extract of the soil samples, giving sulphates as SO3 only. |
| 35 | Chemical analysis of sub-soil, ground water&soil-water mixture as per relevant IScodes for determining chemical characteristics of water&soil such as colour,odour,turbidity ,pHvalueand specific conductivity at 25 deg celcius and chemical contents such as carbonates,sulfates (both SO3and SO4), chlorides,nitrates,organic matter and any other chemical harmful to the foundation material . The test is to be conducted on one or more water samples collected from each borehole. water samples, including alkalinity sulphates as SO3 & SO4, chlorides, Nitrates, pH, turbidity, flouride, free and saline ammonia content, hardness etc., organic content ,soluble salt content and any other chemical & harmful chemicals . etc |
| 36 | Carrying out constant head permeability test for coarse grained soil samples as per IS:2720 (Part 36)- 1987 and submission of test results as directed by EIC |
| 37 | Carrying out falling head permeability test for cohesive soil samples as per IS:2720 (Part 17)- 1986 and submission of test results as directed by EIC |
| 38 | Triaxial compressive Strength Test on undisturbed soil samples or on soil samples compacted to specified density on cohesive as well as cohesionless soil. Tests to be conducted asper IS:2720 (Part11)-1993 (Reaffirmed in 2002). |
| 39 | Unconsolidated Undrained |
| 40 | Consolidated Undrained, including pore water pressure measurement |
| 41 | Unconfined compressive strength test as per IS: 2720 (Part10) 1991 (Reaffirmed in 2006) on undisturbed soil samples or soil samples compacted to specified density to determin safe bearing capacity, compressive & shear strength of soil. |
| 42 | Evaluation of Liquefaction Potential based on the other tests conducted in laboratory on undisturbed or remoulded samples of soil.NOTE: The UDS shall correspond to each soil stratum. Hence can be decided only after receipt of borelog data. Test to be done in each or alternate boreholes and 2 samples assumed per borehole.and as decided by the design Engineer. |
| 43 | E. Laboratory tests on Rock:'Carrying out petrographic examination of rock sample as per ASTM: C-295 for determination of core recovery, rock quality designation and rock mass rating in each borehole, for each rock stratum and submission of test result as directed by EIC. |
| 44 | Determination of water content,Porosity and density [saturated surface dry &wet condition], specific gravity by conducting Caliper,Buoyancy,Mercury Displacement techniques as per IS: 13030-1991(Reaffirmed 2001) . The test is to be conducted on one or more rock sample representative of each rocky stratum collected from each borehole. |
| 45 | Conducting Water absorption test as per IS: 1124-1974( Reaffirmed 2003) to evaluate water absorption . The test is to be conducted on one or more RS representative of each rocky stratum collected from each/alternate borehole. |
| 46 | Carrying out Unconfined compression strength (UCS) test on soaked & unsoaked samples for determination of Poisson's ratio,modulus of elasticity ,shear modulus as per IS:9221-1979(reaffirmed 2001)along with unconfined compressive strength,safe bearing pressure of rock sample as per IS: 9143-1979(reaffirmed2001)in each borehole and submission of test result as directed by EIC. |
| 47 | without saturation |
| 48 | with atleast 7 days saturation |
| 49 | Carrying out triaxial compression test for determination of triaxial compressive strength, cohesion and angle of internal friction as per IS:13047-1991(reaffirmed 2010) along with modulus of elasticity, stress-strain behavior as per ISRM- SM 1983 ,ASTM:D2664 and submission of test result as directed by EIC. |
| 50 | Carrying out laboratory tests on rock samples for evaluation of tensile strength |
| 51 | Brazilian test on rock core as per IS:10082-1981 (Reaffirmed 2001) to evaluate tensile strength, in borehole and submission of test result as directed by EIC. |
| 52 | Ring test on rock core as per IS:10082-1981 (Reaffirmed 2001) to evaluate tensile strength, in borehole and submission of test result as directed by EIC. |
| 53 | Line load test on rock core as per IS:10082-1981 (Reaffirmed 2001) to evaluate tensile strength, in borehole and submission of test result as directed by EIC. |
| 54 | Detremination of Safe bearing pressure by conducting Point load strength test of rock sample as per IS:8764 - 1998 (reaffirmed 2008) & IS:10082 - 1981 (reaffirmed 2001) in each borehole (BH-1 to 5) at 3.0m, 4.5m, 6.0m,9.0m,12.0m,15.0m, 18.0m,21.0m,24.0m,27.0m,30.0m, 33.0m and 37.0m and submission of test result as directed by EIC. |
| 55 | F. Report:'Preparation and submission of Three (3) hard & soft copies(on DVD) of Draft reports as specified followed by Five (5) hard copies of Final report of Geotechnical Investigations as detailed in specifications along with 6 soft copies of the same on the DVD.'Note: 1. Final Report to be submitted shall include recommendations for the geotechnical investigation consisting of deliverables as per FORMAT - 2 which will be issued to the successful bidders. '2. Geotech Investigations for Soils and Rock will be carried out to evaluate the different type of test values as per FORMAT - 1 which will be issued to the successful bidders. |
| 56 | G. Logistics and other misc. works:Carrying out Civil Engineering works like surveying & leveling, checking of formwork fabrication, reinforcement fabrication as per drawings, witnessing sample retrieval & testing for various construction materials, ensuring concrete ingredient ratio at batching plant and pouring of appropriate grade of concrete in plain and reinforced concrete works, ensuring proper mixing of approved ingredients & waterproofing admixtures for mortars and brickwork, plaster, flooring & waterproofing works, and other civil & PH works including supervision of construction safety as per BARC specifications & relevant documentation, compiling, binding and preparation of tender documents & Agreements overall as directed by Engineer-in-Charge. Note : (1)Each Job shall be carried out by one qualified Degree holder with 2 (Two ) years experience/Diploma holder with 5(Five) years experience (Licentiate in Civil/Construction Engineering / Technology) conducted by Board of Technical Examinations / University/ Autonomous Govt / Govt recognized Polytechnic/ Institute. (2)Deployment: The contractor shall deploy one Engineer for each job for minimum 26 working days per month for minimum 8 ½ hours per day with 30 minutes of break, in General (Ist / IInd) or on Round the clock shift including Saturdays, Sundays & holidays whenever necessary as per the discretion of the Engineer-in-Charge during the contract period. In case of emergency works like continuous pouring of concrete or shutdown/maintainance work, the person will have to stay longer occasionally as per the instruction of the Engineer in-charge. No additional payment will be made on this account.(3) Period of work: The contractor shall carry out number of Jobs per month as per requirement at site for the period mentioned in NIT.(4) Mode of measurement : Measurement will be per job basis. A single job shall be carried out by deploying one engineer exclusively for the particular job.(5) Engineer should be engaged after scrutiny by EIC of CED, BARC and approved by Competent authority and the deployed Engineer will report to BARC Engineer/ EIC. (6) The minimum notice period before change of engineer is 1 (one) month; failing which a compensation, for not providing technical support, of Rs. 1,563/- per day of shortfall in notice period will be levied on the contractor. |
| 57 | Supplying man power along with necessary spades, shovels, punjas, ropes, small special spades, rain coats, broom, mop etc, minimum two labours per day and maximum any number of labour as and when decided by Engineer Incharge to work for eight hours per day to carry out the cleaning work, loading work etc as directed by Engineer Incharge. |
| 58 | Providing and painting TWO coats of synthetic enamel paint on new wooden surfaces of approved brand and manufacturer of required colour to give an even shade over an under coat of suitable shade primer of approved brand and manufacturer including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-in-charge |
| 59 | Clearing Jungle including uprooting of rank vegetatiopn, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50m outside the periphery of the area cleared as per specification and as directed by the Engineer-in-Charge. |
| 60 | Providing & supplying of Pick-up Van / Utility Van for various areas for the requirements arising from time to time inside and outside BARC. The Pick-up Van / Utility Van of minimum five seaters capacity with the back side provision for transporting/ shifting of various construction /maintenance materials, machinaries and tools etc. and for other works including Driver as assigned and directed by Engineer-in-Charge (8Hrs. a day or 60 km max as per certification of Engineer-in-Charge). Notes 1. The above rates shall be inclusive of cost of supply of Pick-up Van / Utility Van, Fuel, wages of Drivers and other consumables etc. 2. The Reporting time at the place of duty / as instructed by EIC shall be considered for the billing / measurement / payment. 3. In case the pick up van is parked inside BARC premises then the reporting time of the driver to EIC shall be considered for the billing/ measurement/ payment. 4. Break Down Hours as per actuals and Lunch break (30 min.) timings shall not be considered for payment. 5. Fraction of hours shall be rounded off to nearest half an hour at the time of preparing the Running / final bills 6. BARC being a restricted place, the driver should have good credentials and shall have valid Police Verification / Clearance Certificate (PVC), driving license and address proof. They should be in a position to understand Hindi / English / local language. 7. The make and model of the vehicle should not be more than 8 years old, roadworthy with all valid documents. 8. The vehicle shall be maintained in good running condition with good upholstery, fitness, good tyres and shall commensurate with the image of BARC. The tyres of the vehicles shall be replaced periodically for safe and incident-free driving. 9. The vehicle should be free from all sorts of defects and will be subjected to inspection by a representative of BARC whose decision shall be final and binding as regards suitability of that particular vehicle. 10. The vehicle should be a transport vehicle and preferably in white colour with a board \\"ON GOVERNMENT OF INDIA DUTY\\". 11. The cost of POL, maintenance and servicing of 'vehicle including replacement of parts, payment to the driver, Motor Vehicle taxes, comprehensive insurance, etc. shall be payable by the Contractor and BARC shall have no liability on these accounts. 12. The cost of damages to any Government movable/immovable property in and around the site shall be entirely borne by the Contractor. 13. The rates quoted shall be inclusive of all taxes, duties, levy or cess, fee, royalty charges etc. levied under any statute but exclusive of GST (Good and Services Tax).14. The contractor shall arrange adequate insurance coverage for his personnel. Department shall not be responsible for any liability arising out of any accident / injury caused to the driver while executing the job. 15. The contractor shall follow minimum wages act and other rules of Government of Maharashtra. 16. No revision of price shall be entertained during the period of contract. 17. Hours more / less than 8 Hrs. a day will be paid / deducted on pro-rata basis. 18. In case of absence of Driver/vehicle for entire week, a compensation of Rs. 3000 /- per week, for not providing the service, will be levied on the contractor for that week. |
| 61 | Supplying potable water conforming to IS 14543: 2016 including proper tapping arrangement at project site at required location as directed by Engineer In-Charge Please Enable Macros to View BoQ information |
