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CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> Date <br /> Drainage • <br /> System Maintenance Activities and Conditions <br /> Frequency Feature ✓ ✓ ✓ ✓ Problem Conditions to Check For That Should Exist <br /> A Overflow Spillway Rock is missing and soil is exposed at top of Rocks replaced to specifications. <br /> spillway or outside slope. <br /> If you are unsure whether a problem exists, please contact a professional engineer. <br /> Key: <br /> (M) Monthly from October through April. <br /> (A) Once in late summer(preferably September) <br /> (S) After any major storm (use 1 inch in 24 hours as a guideline). <br /> Appendices <br /> Fab <br />