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73 A P P E N D I X A Short Survey Please check the option that applies to help understand the stray current corrosion and mitigation measures taken by the transit agency. 1. Transit agency name, Contact person name, and Title. 2. Type of power used for the system? a. AC b. DC c. Other (specify)___________________ 3. Type of rail transit system and total miles for each system? a. HRT ___miles b. LRT ___miles c. Trolley/Commuter ___miles d. Other (specify)_____ 4. What mode is used for the power distribution to the system? a. Third Rail b. Overhead Catenary c. Other (specify) ___________________ 5. Operational Voltage? a. 650 volts b. 750 volts c. Other (specify) __________________ 6. Physical environment of service? a. Semi Urban b. Urban (shared ROW) c. Urban (exclusive ROW) d. Other (specify) _______ 7. Is there an embedded section of track for the transit agency? a. Yes b. No c. Other (specify) ___________________ 8. Are the pedestrian stations located in the same area as traction power stations? a. Yes b. No c. Other (specify) ___________________
74 Stray Current Control of Direct Current-Powered Rail Transit Systems: A Guidebook 11. Is there a maintenance and testing plan in place for the system? a. Yes b. No c. Other (specify) ___________________ 12. What is the preferred track-to-earth resistance for the system? a. 250 ohms /1000 ft. b. 500 ohms /1000 ft. c. 1000 ohms /1000 ft. d. Other (specify) ____ 13. Does the transit agency currently have stray current corrosion issues? a. Yes b. No c. Donât know d. Other (specify) _____________ 14. How would you rate your stray current control effort/program? a. Non-existent b. Poor c. Good d. Very good e. Excellent / âWorld Classâ 15. What value would a rail transit stray current control best practice guide document have to you? a. No/little value b. Some value c. High value 16. Are you willing to participate in a more detailed questionnaire to provide further information about the stray current corrosion issues and mitigation methods? If you would like to nominate someone else from your company then please provide their name. a. Yes b. No c. Contact Name ______________________________ E-mail________________________________ Telephone________________________ 9. What is the average spacing between stations? a. < 1 mile b. > 1 but < 2 miles c. Other (specify) ___________________ 10. Was the baseline survey conducted before the revenue service? a. Yes b. No c. Other (specify) ___________________
