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| 1993 | |||
| Special Provision to SSs | |||
| SP7174-003 | RTF | PREVENTATIVE MAINTENANCE OF SIGNAL EQUIPMENT - Provides for inspection and cleaning of ground boxes and signal heads in preventative maintenance and includes SP 7174--002. Optional for Routine Maintenance Contracts Only. Replaces SP7174-002 . Districtwide Use. San Antonio District. | |
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| Specification Information |
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125 East 11th Street • Austin, Texas 78701
125 East 11th Street • Austin, Texas 78701