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0 AE CONSTRUCTION SFR <br />17 <br />Minimum Requirement # 8: Wetland Protection <br />No known wetlands onsite or within 300 feet of the site, however potential downstream <br />wetlands will be protected with onsite BMP's. Wetland protection is not required. <br />Minimum Requirement # 9: Operation and Maintenance <br />No. 7 — Energy Dissipaters <br />Maintenance <br />Defect <br />Conditions When Maintenance is Needed <br />Results Expected when <br />Components <br />Maintenance is Performed <br />Rock Pad <br />Missing or <br />Moved Rock <br />Only one layer of rock exists above native <br />soil in area five square feet or larger, or any <br />Rock pad replaced to design <br />standards. <br />exposure of native soil where pad was <br />originally installed. <br />Erosion <br />Soil erosion in or adjacent to rock pad. <br />Rock pad replaced to design <br />standards. <br />Rock Gabion <br />Wire basket <br />Deterioration determined to be near to <br />Rewire area of concern or replace <br />Structures <br />matrix <br />breaking. Broken wire results in hole large <br />basket and/or rocks as necessary <br />deteriorated <br />enough to allow racks to protrude out of <br />or broken <br />basket <br />Wire basket <br />Baskets have shifted and no longer providing <br />Realign or relocate as necessary to <br />misaligned <br />full energy dissipations or may be prone to <br />meet design intent <br />tipping or collapse <br />Dispersion Trench <br />Perforated <br />Accumulated sediment that exceeds 20%of <br />Pipe cleaned/flushed so that it <br />Pipe Plugged <br />the design depth or over 1/3 of perforations <br />matches design. <br />with <br />in pipe are plugged. <br />Sediment <br />Not <br />Water is discharging at a few concentrated <br />Trench redesigned or rebuilt to <br />Discharging <br />points along the top of the trench rather than <br />standards. <br />Water <br />flowing uniformly along the entire length of <br />Properly <br />trench lip. <br />"Distributor" <br />Water is observed or reported to be flowing <br />Facility rebuilt or redesigned to <br />Catch Basin <br />out of top of basin during any storm less than <br />standards. <br />Overflows <br />the design storm. <br />Receiving <br />Water in receiving area is causing or has <br />No danger of landslides. <br />Area Over- <br />potential of causing landslide problems. <br />Saturated <br />Catch Basins <br />Other Defects <br />See "Catch Basins" (No. 5). <br />See "Catch Basins" (No. 5). <br />BMP T5.13 Post -Construction Soil Quality and Depth <br />Maintenance <br />• <br />• Soil quality and depth should be established toward the end of construction and once established, <br />should be protected from compaction (i.e. from large machinery use and/or erosion) <br />• Soil should be planted and mulched after installation. <br />• Plant debris or its equivalent should be left on the soil surface to replenish organic matter. <br />1A <br />0 <br />WESTERN ENGINEERS, INC. 19 PROJECT: 19-1821-A <br />