GAOA 4FO SMCG Trail Renovation

2026-11-03

This project includes construction of an asphalt trail connecting the upper visitor center to the lower Acastus Trail and replacement of 36 ” cmp . Earthwork item includes clearing and grubbing , removing asphalt , excavation and embankment . Remove and conserve existing trail material . Grade and prepare native subbase . Existing trail material is to be conserved and used for shouldering and subgrade of resting pads . Shoulder trail slopes at 1 : 10 ( max ) with existing compacted trail material . It is the intention that all existing aggregate materials will remain onsite . Aggregate base shall be 4 ” depth below asphalt . Asphalt trail shall have 6 ’ width , 3 ” depth and 2 % cross slope ( max ). Aggregate base , asphalt and concrete testing per FP - 24 . Resting pads shall be asphalt with 4 ’ width , 6 ’ length , 3 ” depth and 2 % cross slope ( max ) in all directions . Resting pads aggregate base shall be compacted with water . Concrete curb shall be NDOT Type 5 . Spillway to culvert inlet is inclusive to curb . Concrete curb may be placed on compacted aggregate base . Native subbase shall be compacted with water . The grade will be inspected for soft spots and accepted before concrete placement . Backfill to top of curb with native material . Corrugated metal pipe item includes submitting a proposed pipe plot for placement of 36 ” culvert . Design for minimum 5 % drop . Removal of existing culvert , inlet stacked rock and outlet riprap are inclusive to new culvert placement . All work to extend asphalt trail and shoulders is inclusive to the option items

Nevada

2026-05-01