SURVEY

Carryout reconnaissance survey as per Specification/ Scope of work in the tender and instructions of Engineer-in-Charge and submission of four coloured drawings and report. The reconnaissance survey shall be carried out proposing minimum three or more feasible alternative routes and giving details of likely crossings and other constraints that is likely to be encountered during pipeline construction on each route, future development plans of land owning authorities like Municipal corporation, Gram Panchayat, PWD, NHAI , etc., availability of land including ownership details and recommending the best feasible route.

Carrying out detailed pipeline route survey and all associated works along the pipeline route including Centreline Survey, Detailed Route Survey, Crossing survey (minor) , Collection of population density data, permanent monuments along the pipeline route, collection of all data, submission of Alignment sheet, providing all manpower, tools, tackles, materials, equipment's and other support, facilities (including mobilization and demobilization as required) necessary for the work, in accordance with requirement of Scope of Work document no. (P161-SOW-P001) and in compliance Specification for Topographic Survey (Annexure) enclosed with the tender document and as per instructions of the COMPANY ’s Representative including meeting all responsibilities and furnishing all documents for survey. Note: All drawings shall be generated in coordinates.

Carrying out Soil Stratification work along the pipeline route as per specification including and providing all men, tools, tackles, materials, testing equipment and other equipment other support facilities including mobilization and demobilization as required etc. as per tender document, The boring minimum 150 dia bore hole shall be either terminated at a depth of 3 M below NGL or on top of bed rock if rock is encountered at a depth of less than 3 M. and Boreholes shall be made at intervals of 250 M along the pipeline route, at all intermediate points where there is apparently a change in the type of soil and at any other place as directed by direction of Engineer-in-Charge. Note: Interval can be increased to 500 M then to 1 km in case soil strata is found to be same.This will required Approval of Company`s Representative / EPMC. Atleast 2 borehole shall be carriedout on the two side of each NH & SH crossing.

Carrying out corrosion survey including measurement of soil resistivity at a depth of 1.0, 1.5 & 2.0 m interval at every 500 m, chemical analysis of soil/water, collection of additional data related to cathodic protection as per specification including providing man power, tools, tackles, materials, soil resistivity testing equipment, pipe/cable locator & other supporting facilities etc. including mobilization & demobilization necessary for survey and associated works, including compilation and presentation of data in four sets of Corrosion Survey Report as per technical specification, drawings, implementation schedule and other provisions of the tender document and instructions of Engineer-in-charge