Date |
Text |
2013-09-10 14:29:02 | COMMENTS FOR 13071001 |
| 09/10/2013 |
| |
| IN MANY PARTS OF THE CITY THE ABSENCE OF ANY STORMWATER |
| BMP (STORMWATER BEST MANAGEMENT PRACTICES) IN SITES |
| ALLOWS THE BOTH THE WATER VOLUME AND |
| CONTAMINANT/POLLUTANT LOAD TO ENTER OUR SYSTEM |
| UNTREATED. WHILE WE BELIEVE OUR EXISTING SYSTEM IS |
| SUFFICIENT TO SERVICE THE STORMWATER VOLUME FOR YOUR |
| PROPOSED USE, WE RECOGNIZE THAT THE FIRST FLUSH FROM |
| THE PARKING AREA CONTAINS 90% OF THE |
| CONTAMINANT/POLLUTANT LOAD FROM RAIN EVENTS AND THIS |
| LOADING IS TRANSFERRED TO THE CITY?S STORMWATER SYSTEM. |
| |
| ACCORDINGLY, THE CITY HAS THE AUTHORITY TO IMPOSE |
| STORMWATER BMP?S ON THE ENTIRE SITE WITH OR WITHOUT THE |
| PROGRESSION OF THE PROPOSED WORK. HOWEVER, IN |
| CONSIDERATION OF THE SCOPE OF THE PROPOSED |
| IMPROVEMENTS, THE CITY HAS THE AUTHORITY TO THROTTLE |
| IMPLEMENTATION OF BMP?S. IN THIS CASE, OUR |
| RECOMMENDATION IS THAT YOU AS THE PROPERTY OWNER SHALL |
| DESIGN AND MODIFY THE EXISTING STORMWATER |
| INFRASTRUCTURE SERVING THE EXISTING PARKING AND PAVED |
| AREA THAT HAS BEEN IDENTIFIED BY THE PLANNING AND |
| ZONING DEPARTMENT AS REQUIRED TO SUPPORT THE PROPOSED |
| BUILDING USE. |
| |
| ANY MODIFICATION SHALL INCORPORATE STORMWATER BMP?S |
| SUFFICIENT TO DETAIN THE FIRST FLUSH FROM THE |
| REFERENCED PAVED AREA. OWNER MAY PROPOSE AN ISOLATED |
| SYSTEM THAT DETAINS AND PERCOLATES. PLEASE REFER TO THE |
| SOUTH FLORIDA WATER MANAGEMENT DISTRICT MANUAL, IT;S A |
| GOOD GUIDE TO SEE THE OPTIONS THAT MAY WORK WITH YOUR |
| SITE. PLEASE LOOK AT THE OPTIONS FOR NONSTRUCTURAL |
| BMP'S AND STRUCTURAL BMP'S. WE BELIEVE ANY OF THESE |
| MODIFICATIONS REFLECT REASONABLE IMPROVEMENTS TO THE |
| EXISTING CONDITIONS AND ARE CONSISTENT WITH PRACTICES |
| OF BOTH THE CITY AND SOUTH FLORIDAWATER MANAGEMENT |
| DISTRICT. PLEASE PROVIDE STORM CALCULATIONS WITH YOUR |
| PLAN REVISIONS. INCLUDE PERVIOUS AND IMPERVIOUS |
| QUANTITIES SO THAT WE MAY UPDATE YOUR STORM WATER |
| ACCOUNT. |
| |
| HTTP://WWW.SFWMD.GOV/PORTAL/PAGE/PORTAL/XREPOSITORY/SFW |
| MD_REPOSITORY_PDF/BMP_MANUAL.PDF |
| |
| MANUEL JULIAN GONZALEZ |
| ENGINEERING PROJECT COORDINATOR |
| ENGINEERING SERVICES AND PUBLIC WORKS DEPARTMENT |
| 401 CLEMATIS STREET, 4TH FLOOR |
| WEST PALM BEACH, FL 33401 |
| (MAILING ADDRESS: P.O. BOX 3366, ZIP 33402) |
| MAIN PHONE: (561) 822-1200 |
| DIRECT: (561) 494-1085 |
| FAX: (561) 494-1116 |
| MOBILE: (561) 644-7301 |
| EMAIL: [email protected] |
| WWW.WPB.ORG/ENGINEERING |
| |