ENVIRONMENTAL IMPACT ON ELECTRONIC EQUIPMENT

The paper discusses problems faced by EARTD maintenance staff caused by the San Franciso Bay Area environment. The areas covered are the effect of heat on the wayside train control, the gophers eating buried control cables, moisture and dirt contamination of the destination signs and electrical noise of the destinaton signs and electrical noise of the communication cables.

• Supplemental Notes:
  • Presented at the Am Transit Assoc Rail Transit Conf, San Francisco, Calif., Apr. 14 and 16, 1974, Power and Signals Sess. NTIS Nos. PB-234 824; PB-234 825 and PB-234 825.
• Corporate Authors:

  American Transit Association

  465 L'Enfant Plaza West, SW
  Washington, DC  United States  20024
• Authors:
  • Engle, C H
• Conference:
  • Presented at the Am Transit Assoc Rail Transit Conf, San Francisco, Calif., Apr. 14 and 16, 1974, Power and Signals Sess. NTIS Nos. PB-234 824; PB-234 825 and PB-234 825.
• Publication Date: 1974

Media Info

• Pagination: p. 12-25

Subject/Index Terms

• TRT Terms: Contaminants; Electromagnetic interference; Electronic control; Heating (Structures); Moisture content; Reliability; Traffic signal control systems
• Identifier Terms: San Francisco Bay Area Rapid Transit District
• Uncontrolled Terms: Contamination
• Old TRIS Terms: Signal systems
• Subject Areas: Construction; Environment; Materials; Public Transportation;

Filing Info

• Accession Number: 00136412
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: ATA/RT-74/1,2,3
• Files: TRIS
• Created Date: Nov 3 1981 12:00AM