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- <br />i <br />21'f <br />h � <br />SL <br />RESOLUTION NO. 89OR - <br />Ff< <br />13. To reduce the possibility of clogging any exfiltration <br />trenches and to improve water quality, the following best <br />management practices shall be followed: <br />a. All curbed areas within the boundaries of the develop- <br />ment shall be swept daily. All other parking and road <br />surfaces shall be swept as necessary, but in no case <br />less frequently than once per week. Sweeping shall be <br />accomplished by vacuum type or vacuum regenerative type <br />sweepers. Sweepers shall be equipped with speed gover- <br />nors which will limit operating speed to no more than <br />five miles per hour. <br />b. The use of parking stops or bumps, which helps to <br />control traffic flow and helps produce safer driving <br />conditions, but which also may collect and concentrate <br />contaminants, or which may interfere with efficient <br />sweeping of the parking area, shall be addressed by the <br />county prior to site plan approval. <br />14. In order to reduce the potential for salt water intrusion, <br />the stormwater management system shall be designed so that <br />there is no net decrease in the pre -development wet season <br />water table and no net decrease in the volume of ground water <br />stored on the site. <br />15. Because it is anticipated that the 53rd Street right-of-way <br />will not be able to handle additional stormwater run-off, the <br />site drainage system shall be designed to handle stormwater <br />run-off from the 53rd Street site -related widening along the <br />project boundary. <br />WATER SUPPLY: POTABLE AND NONPOTABLE WATER <br />16. The primary source of irrigation water shall be treated <br />wastewater effluent at such time as this source is made <br />available for use. Should treated wastewater be unavailable <br />or a supplemental source for irrigation be needed, existing <br />or created surface waters (i.e. lakes or canals) shall be <br />used to the maximum extent available. On-site wells or <br />-11- <br />1 <br />