1122 INDUSTRY ST AVIATION TECHNICAL SERVICES 2018-01-02 MF Import

Niountain View Warehouse Stormwater Site Plan X) Maintenance and Operation Requirements Erosion and Sediment Confrol BMPs All temporary and permanent erosion and sedirnent contrel practices shall be inspected regularly, parlicularly a(ler large slom� events, and maintained and repaired as needed to assure continued performance of their intended function. All maintenance and repair shall be ccnducted in accordance with approved standards. All temporary erosion and sediment control measures should be removed wilhin 30 days after final site stabilization is achieved or after the temporary BMPs are no longer ' needed. Trapped sediment must be removed or slabilized on sile. Disturbed soil areas resulting irom removal should be permanently stabilized. Stabilized Construction En(rance: The entrance shall be mainlained in a condition which prevenls tracking or flow oi mud onto public rights-of-way. Additional rock may be needed as pore spaces fill with sedimenl. Filter Fence: fences must be repaired as necessary and sediment musl be removed before it reaches on third o(the height of lhe fence, especially if heavy rains are expected. Sediment Pond: Sedimenl shotdd be removed �vhen it fills one half u( the pond s total sediment storage I area. Drainage Facility Cunstruction Requirements Corrugaled iron or steel pipe meeting the foliowing speci(ications shall be used: • Galvanized, corrugaled iron or steel pipe, Treahnenl 1 minimum • Aluminized Type 2 corrugated steel pipe (which meets AASHTO desiynations M274 and M36) • Steel spiral rib pipe, Treatment 1 though 6 All joints and welds shall be made waler-tight. Treatmenl of joints and �veids in the (ield afler installation of the pipe may be necessary for some inslallalinns, particulariy when lengths o(pipe are assembled in the field. 0�:-03i Ti-i� B�uF_uN� Gaou� Page13