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103Dy.Ex. Engr.The checking or inspection of any setting out of any line or level or word by Engineeror his representative shall not any way leave the contractor of his responsibility forcorrectness thereof. The contractor shall carefully protect and preserve bench markpedestals and stone etc. used in setting of the works.WATER :- If the potable water is not available in the river bed the contractor has tomake his own arrangements for potable water required for concrete mixing, its curingand other parts of the construction for which no extra claim will be paid by thedepartment.10.2 RESPONSIBILITIES FOR LEVEL AND ALIGNMENT. :-The Contractor shall be entirely and exclusively responsible for the horizontal andvertical alignment, the levels and correctness of every part of the work and shall rectifyeffectively any errors or imperfections therein, such rectifications shall be carried outby the Contractor, at its own cost, when instructions are issued to that effect by theEngineer- in-charge.10.3 LEVELLING INSTRUMENTS:If measurements of items of the work are based on volumetric measurementscalculated from levels taken before and after construction of the item, a large numberof leveling staffs, tapes etc. will have to be kept available by the Contractor at the siteof work for this purpose. Lack of such leveling staffs, tapes etc. in required numbersmay cause delay in measurements and the work. The Contractor will have therefore tokeep sufficient number of these readily available at site and in good working condition.10.4 To carry out activities mentioned above 10.1, 10.2 & 10.3Contractor shall make all necessary arrangements to carry out all necessary detailsurveys required as per the Specifications / Tender Conditions, during currency ofwork / project, and deliver desired outputs in printed / soft as instructed by engineer incharge at different stages of works as instructed by the engineer in-charge during thecurrency of the project, that is from start to finish of the work/project. To carry out suchsurveys and deliver desired outputs in printed form / soft copy as instructed byengineer in charge as mentioned above.The Contractor shall appoint a survey agency with the approval of the engineer incharge, for that, Contractor shall submit list of three survey agencies to engineer incharge , along with the payment of his security deposit (as required under the clauseone of the B-1 contract) . The engineer in charge on receipt of such list will select onesurvey agency out of three and communicate it, along with the work order tocontractor. Contractor should appoint survey agency as selected by the engineer incharge. The survey agency shall not be changed without permission of the engineer incharge. The survey agency and / or contractor shall have1) Latest survey instruments and/or equipments viz. total station, auto levels, plotteretc.Signature of Contractor No. of corrections Executive Engineer