Repair the culvert and gabion wall retaining system at Sugarloaf Ridge State Park to reduce erosion and maintain the integrity of the gabion wall, which supports the steep east slope and the Park entrance road. Work will improve the drainage pattern on the Pony Gate Trail to divert runoff; replace the existing 24" culvert with 36" corrugated steel culvert and protect inlet and outlet with rip rap and concrete headwall, 5' x 4' trench on Park Entrance road will be backfilled and repaved; install invert I-beam protection on arched culvert at Ponygate Gulch by encasing I-beams in concrete, remove one Alder tree; replace missing gabion rock with light rock throughout the stream section protected by gabions and grout in-place with concrete, rock will be placed to encourage cascading flow conditions to dissipate energy; extend concrete 6' up the gabion wall with Shotrcrete ® to increase and protect wall stability.
Project consists of the repair, maintenance and minor alteration of existing public facilities involving negligible expansion of use beyond current levels.
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