survey of underground pipeline network using ground penetrating radar , the work mainly comprises of carrying out subsurface pe pipeline network along with utility survey using differential global positioning system ( dgps ) / ground penetrating radar ( gpr ) / epl / elctromagnetic locator ( eml ) / total station ( ts ) / auto level ( al ) precise surveys of the complete area ( marked in layout / provided layout ) with detection of the all type of underground utility services ( structures , electrical , metallic and nonmetallic services , e . g . water pipes , sewer pipes , gas pipelines , oil pipelines , electric cables , telecom / ofc cables , power cables , other misc . existing facilities , etc . ) along with complete drawings of underground utility services demarcation to be provided ( coordinates also to be provided ) - up to 2 . 0 m depth and rou width of 3 mtr . note . 1 . all work shall be carried out as per scope work document . bidder to quote accordingly . 2 . the rates are for submission of survey reports along with complete drawings ( autocad and pdf ) & 3 sets of hard copies of all . 3 . along with pe pipe line any other following utilities present in the 3 mtr wide corridor shall also be mapped accurately and comprehensively identified . 4 . the scope includes detection of main pipeline , pipeline fittings , valves and accesories , etc . in the pipeline network . , the total length of pe pipeline network ( 20mm dia . to 90mm dia . )