DATE: January 16, 2018
SUBJECT:
Title
RESOLUTION BY A FOUR-FIFTHS (4/5) VOTE RATIFYING THE EMERGENCY ACTION TAKEN BY THE EXECUTIVE DIRECTOR AND AUTHORIZING CONTINUED ACTION FOR THE EMERGENCY STORM WATER MANAGEMENT AT THE CHULA VISTA BAYFRONT INCLUDING PROCUREMENT OF A CONSULTANT TO PROVIDE DESIGN FOR THE STORM WATER MANAGEMENT REVISIONS, AND PROCUREMENT OF A CONTRACTOR TO IMPLEMENT THE STORM WATER MANAGEMENT IMPROVEMENTS
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EXECUTIVE SUMMARY:
Between the dates of November 29th and December 7th, 2018, two storms occurred at the Chula Vista Bayfront development producing approximately 4.45 inches of rainfall, with 2.6 inches occurring in a six-hour window. The storms had rainfall quantities at intensities that were well above average and caused erosion damage to freshly graded areas. This created the need for costly clean up and repairs and raised concern that future storms may create further damage and stormwater discharges. To mitigate these concerns and avoid further damage to District property, the Executive Director declared an emergency to provide repairs to the sites and deploy additional erosion control and sediment runoff prevention measures termed Best Management Practices (BMPs).
Prior to the storms, the San Diego Unified Port District (District) imported approximately 220,000 cubic yards of soil to two development sites at the Chula Vista Bayfront. The imported soil will be utilized to raise site elevations to accommodate anticipated sea level rise and prepare for two planned developments that are scheduled to begin construction in 2019; the Chula Vista Bayfront Resort Hotel & Convention Center development and the Sun Communities RV Park. Both sites were filled using standard grading configurations and standard erosion control measures and Best Management Practices (BMPs). This work was performed under a direct negotiated contract with minimal change order capacity to address unforeseen conditions.
In order to perform required clean up ...
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