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• <br /> Popach Short Plat—2 Lots <br /> Table V-4.5.2(5) Maintenance Standards - Catch Basins (continued) <br />• Results <br /> Maintenance Conditions When Maintenance is Expected <br /> Defect When Main- <br /> Component Needed tenance is <br /> performed <br />• Working frame have less than 1/2 inch of thread. proper tools. <br /> One maintenance person cannot remove lid Cover can be <br /> Cover Difficult after applying normal lifting pressure. removed by <br /> one main- <br /> to Remove <br /> (Intent is keep cover from sealing off access tenance per- <br /> to maintenance.) <br />• son. <br /> Ladder meets <br /> design stand- <br /> Rungs Ladder Ladder is unsafe due to missing rungs, not ards and <br /> Ladder Unsafe securely attached to basin wall, mis- allows main- <br /> alignment,alignment, rust, cracks,or sharp edges. tenance per- <br /> son safe <br /> access. <br /> Grate open- <br /> Grate opening Grate with opening wider than 7/8 inch. ing meets <br />• Unsafe design stand- <br /> ards. <br /> Metal Grates Grate free of <br /> (If Applic- Trash and Trash and debris that is blocking more than trash and <br /> able) Debris 20% of grate surface inletting capacity. debris <br /> Grate is in <br />• Damaged or Grate missing or broken member(s)of the place and <br /> Missing. grate. meets design <br /> standards. <br /> Table V-4.5.2(22) Maintenance Standards - Permeable Pavement <br />• Recommended Fre- Condition <br /> quency a when Main- <br /> Component tenance is Action Needed (Procedures) <br /> Inspection Routine Needed <br /> Maintenance (Standards) <br />• Surface/Wearing Course <br /> Permeable A, S Runoff from • Clean deposited soil or <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume V-Chapter 4-Page 887 <br /> WESTERN ENGINEERS,INC. 4 PROJECT: 15-1463-A <br />