Volume-II of IV - GAIL

6.7 Graphical representation of existing structure/ pipe to soil potential
records, Transformer Rectifier Unit/ CP Power source voltage/ current
readings.
6.8 Possibilities of integration/ isolation of the pipeline CP System with
foreign pipeline/ structure CP System, which may involved negotiation
with Owner’s of foreign services.
6.9 Information on existing and proposed DC/ AC power sources and
system in the vicinity of the entire right of way.
6.10 Crossing and parallel running of electrified and non-electrified railway
tracks alongwith details of operating voltage and type (AC/ DC).
6.11 Crossings or parallel running of any H.T. AC/ DC overhead line with in
approximately 25 mtr from ROW alongwith details of voltage rating,
fault level etc.
6.12 Any other relevant information that may be needed in designing and
implementing of proper cathodic protection scheme for the proposed
pipeline.
7.0 REPORT
On completion of all the field and laboratory work an interim report
incorporating results generated from surveys, additional data collected,
results of test carried out, etc. shall be submitted for comments/
approval. The final report incorporating comments/ missing data shall
be furnished for records. The report alongwith various drawings,
graphs etc. prepared in connection with the work shall be submitted
alongwith six prints by the contractor.
8.0 INFORMATION REQUIRED WITH BID
Bidder shall provided following information alongwith the bid without
which the bids are liable for summary rejection.
8.1 Instruments that will be used for carrying out soil resistivity survey.
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