Structures Airport facilities such as bridges; culverts; catch basins, inlets, retaining walls, cribbing; storm and sanitary sewer lines; water lines; underdrains; electrical ducts, manholes, handholes, lighting fixtures and bases; transformers; flexible and rigid pavements; navigational aids; buildings; vaults; and, other manmade features of the airport that may be encountered in the work and not otherwise classified herein. 10-50 SUBGRADE. The soil which forms the pavement foundation.
Walls 12 Developer shall provide rustication patterns on all walls, except drainage headwalls, in Aesthetic 13 Area 3 in accordance with Exhibit L2.24 of the LAADCR. The final designs shall resemble these 14 simulations.
Ditches (1) Remove bank slough, minor slides, and obstructions.
TRENCH SHORING If this Contract is in excess of $25,000 and is for the excavation of any trench deeper than five (5) feet, Contractor must submit and obtain District’s approval and acceptance, in advance of excavation, of a detailed plan showing the design of shoring, bracing, sloping, or other provisions to be made for worker protection from the hazard of caving ground during the excavation of such trench or trenches. If the plan varies from the shoring system standards, the plan shall be prepared by a registered civil or structural engineer.
