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7. Never clean machinery, equipment, tools, brushes, or rinse <br /> containers into a street, gutter, or storm drain. <br /> 8. Ensure that concrete/gunite supply trucks or concrete/plaster <br /> operations do not discharge wash water into a street, gutter, or <br /> storm drain. <br /> 9. Equipment fueling area (if used at the construction site): use a <br /> designated area away from the storm drainage facility; use <br /> secondary containment and spill rags when fueling; discourage <br /> "topping off' of fuel tanks; place a stockpile of absorbent material <br /> where it will be readily accessible; check vehicles and equipment <br /> regularly for leaking oils and fuels; and dispose of rags and <br /> absorbent materials promptly and properly. Use of an off-site <br /> fueling station is strongly encouraged. <br /> 10.Concrete wash area: 1) locate wash out area away from storm <br /> drains and open ditches; 2) construct a temporary pit large <br /> enough to store the liquid and solid waste; 3) clean the pit by <br /> allowing concrete to set; 4) break up the concrete; and then 5) <br /> recycle or dispose of properly. <br /> 11.Equipment and vehicle maintenance area at the project site is not <br /> permitted; use an off-site repair shop. <br /> b. Within 30 days of the installation and testing of the stormwater treatment <br /> and hydromodification facilities, the designer of the site shall submit a letter <br /> to City Project Inspector/Construction Services Manager certifying the <br /> devices have been constructed in accordance with the approved plans for <br /> stormwater and C3 design for the project. The letter shall request an <br /> inspection by City staff. <br /> Operation and Maintenance Requirements <br /> 139. The project shall comply with the operation and maintenance requirements of the <br /> NPDES Permit. All regulated projects (such as a residential subdivision projects) <br /> that create and/or replace 10,000 square feet or more of impervious areas shall <br /> enter into a recorded Stormwater Operation and Maintenance (O&M) Agreement <br /> for treating stormwater runoff from the site in perpetuity. The agreement is required <br /> to be recorded at the Alameda County Recorder's Office in a format approved by <br /> the City. <br /> a. The Operation and Maintenance Agreement shall clarify that the property <br /> owner(s) of the site shall be responsible for the following in perpetuity: <br /> i. Maintaining all private stormwater treatment measures on the project <br /> site. <br /> P16-1384, P16-1386, P17-0155 & PUD-113, Ponderosa Homes II, INC. City Council <br /> Page 29 of 30 <br />