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EXHIBIT l'" <br />, <br />PRECAST CONCRETE MODULAR STORM WATER DETENTION <br />2495 IV. BUNGA 10 IV RBA0 - NORRIS. it 60450 f I.81 -ST R14TRAP WIN. S TORAI IRA P. Of <br />Maintenance Procedures <br />The f llowing procedures are for th e main ton n f S t rm Trap as sugrgr st d by Storm Trap, LL C. <br />All regulations set by govemi ngR bodies retain precedence over the subsequent instructions. <br />Detention system <br />1. Do not enter the StormTrap system unless properly trained, equipped, and qualified to eater <br />confined space as identified by local occupational safety and health regulations. <br />2. StormTrap recommends an annual inspection. Frequency of cleaning will vary due to site conditions <br />and storage capacity. StormTrap recommends maintenance when the sediment occupies more than <br />ono -tenth of the system's volume. Also refer to local municipality regulations for their maintenance <br />requirements and schedules. Inspections should be a part of your standard operating procedure. <br />3. Maintenance is typically preformed using a vacuum trucks. Remove manhole cover at grade and to wer <br />vac hose into StormTrap p system or sump pit within system if applicable). Sediment should be flushed <br />towards vac hose to provide for thorough removal. When finished, replace all covers that were removed. <br />SINGLErRAP GEF THE PRECAS TAG ANrAGE! Dousurimp <br />