Monthly Construction and Environmental Update

West End (SR 79)

  • Utility work regarding repositioning of AT&T fiber optic lines remains un-resolved.
  • Gas utility relocation work ceased due to AT&T fiber optic delay.
  • Jefferson County water line installation (under separate NPDES permit) ongoing near Green Drive. BMPs installed by Jefferson County contractor.
  • Slope clearing/roadway widening temporarily completed for winter on west side of SR79. BMPs in place.
  • Temporary sedimentation basins 31 and 32 (with pumps and skimmers) on SR 79 functioning properly.

Mainline and East End (Station 2150 to Station 2235 at SR 75)   

  • Jefferson County water line installation ongoing along SR75. BMPs installed by Jefferson County contractor.
  • On-going construction
    • Soil Nail Wall
    • Retaining Wall
    • Blasting of rock throughout mainline section as needed.
  • Perimeter and other appropriate BMPs installed and maintained as needed.
  • Temporary, permanent, and post-construction BMPs remain in place.
    • Construction entrances remain stabilized.
    • Disturbed areas temporarily stabilized with blown or hydraulically-applied mulch;
    • Diversion berms, slope drains, and sump excavations installed where needed.
    • Sediment barriers installed at buffers, stream and construction limits.
    • Six permanent and one temporary sedimentation basins with skimmers and baffles are functional.
    • Six Level spreaders associated with permanent sedimentation basins are functional.
    • Temporary slope drains, diversion berms, swales, sumps, wattles, ditch checks, and temporary seed/mulch remain installed along the haul road

Environmental Status this reporting period

  • 2 Rain Days: 11/17 (3.08”), 11/24 (1.00”)
  • Total rainfall for October was approximately 4.08 inches
  • One water quality violation on 11/17 (turbid discharge overflowing basin spillway along with subsurface turbid flow observed in three spots during post rain event inspection).
  • ADEM notified of turbid discharges. ALDOT requested a Compliance Assistance Inspection from ADEM to evaluate subsurface turbidity at two locations. ADEM conducted the inspection on 11/19/14.