1993 English Special Provisions to Item 423 - RETAINING WALL (Statewide & Districtwide, Current)

  HOUSTON - DISTRICT 12
SP423-001  PDF  RTF   - Changes Type A gradation as an attempt to solve problems with the construction of MSE walls using unstabilized sand as backfill material. Districtwide Use.

1993 English Special Provisions by Item (Statewide & Districtwide, Current)
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