update on the city’s rules relating to …...2018/07/17 · • public notice published on july...
TRANSCRIPT
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UPDATE ON THE CITY’S RULES RELATING TO WATER QUALITY
September 20, 2017
DEPARTMENT OF FACILITY MAINTENANCESTORM WATER QUALITY BRANCH
RANDALL WAKUMOTO, BRANCH HEAD
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WHY ARE WE HERE?
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WHY ARE WE HERE?
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WHY ARE WE HERE?
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WHY IS THIS IMPORTANT?
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BACKGROUND
(MS4)
discharge
RECEIVING
WATERS
MUNICIPAL
SEPARATE
STORM SEWER
SYSTEM
MS4 PERMIT
Reissued JAN 15, 2015
Permit Became
Effective on FEB. 16,
2015
Permit Exprires on
JAN 15, 2020
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STORM WATER MANAGEMENT PROGRAMREQUIRED ELEMENTS
Public Participation & Outreach
Pollution Prevention and Good Housekeeping
Construction Site Runoff
Control
Post Construction Storm Water Management
Industrial & Commercial Discharge
Monitoring & Implementation
Plans
Illicit Discharge Detection & Elimination
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Water Quality Rules
• Public Notice published on July 1, 2016
• Public Hearing hearing held on August 4, 2016
• Rules adopted on October 10, 2016
• Effective on August 16, 2017
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One DPP Rule for Water Quality9
Erosion Rules
Drainage Rules
Section II
Rules Relating to
Water Quality
DPP Administrative Rules Title 20
Flood control requirements will be separate
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DURING CONSTRUCTION
Plan Review and Implementation of BMPs before and during Construction
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Regulated Projects 11
Any Development or Redevelopment project that involves land disturbing activity that requires a building, electric, plumbing, grading, grubbing, stockpiling, or trenching permit is considered a regulated project under the City’s Revised Water Quality Rules.
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Erosion and Sediment Control Plans (ESCP)12
Regardless of the project size, location or schedule, the new Rules require:
1) Erosion Prevention BMPs
2) Sediment Control BMPs
3) Good Housekeeping BMPs
*No requirement for Soil Loss Calculations
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Category 1A/1B ESCP Small Project Template
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Category 3-5 & 1C ESCP:
14
Site
Plan
BMP
Inventory
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Example ESCP (continued)
15
Details
NotesSequence
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Program Assessment - Inspections
Self Inspections (Contractor)
City Inspections (DDC/DPP/DTS/ENV)
3rd Party Oversight Inspections (DFM)
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Monthly 3rd Party InspectionsCITY Projects
11
Data Represents:
• 426 inspections
• From 2/2/2016 to 9/23/2016
• 69 contractors
• 127 City projects
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Monthly 3rd Party InspectionsCITY Projects
Contractor-A
Contractor-DContractor-C
Contractor-B
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Monthly 3rd Party InspectionsCITY Projects
First 4 insp
Avg ~ 2.3
First insp
Avg ~ 3.9
Avg+1sd ~ 8.2
Would first insp
suggest problem
contractor??
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POST-CONSTRUCTION
Plan Review and Implementation of BMPs following Construction
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“Development”21
“Development” means the sum of any and all actions that are undertaken to alter the natural or existing condition of real property or improvements on real property if a building, electric, grading, grubbing, plumbing, stockpiling or trenching permit is required for the Project. Development also includes Redevelopment and changes in land use that may result in different or increased Pollutant discharges to the MS4 or Receiving Waters.”
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“Redevelopment”22 “Redevelopment” means the creation, addition,
and/or replacement of impervious surface on improved real property. Redevelopment does not include trenching and resurfacing associated with utility work, resurfacing and reconfiguring existing impervious surfaces, the repair of sidewalks or pedestrian ramps, pothole repair, ordinary road maintenance or the marking of vehicular or pedestrian lanes on existing roads.”
“Replacement of Impervious Surface” includes any activity that is not part of routine maintenance and where impervious materials are removed, exposing underlying soil during construction.
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collect
CATCH BASIN
filter
LOW IMPACT
DEVELOPMENT
Reduce Pollutants by retaining, reusing
and/or infiltrating stormwater.
drain
Best Management Practices (BMPs)
infiltrate
reuse
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Bioretention/Rain Gardens
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Vegetated Swales
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Green Roofs
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Cisterns/Rain Barrels/Catchment
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Permeable Pavements
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Porous Pavement
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www.cleanwaterhonolulu.com
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www.honoluludpp.org
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Web-Based Certification/Training
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• “ESCP Coordinator” means the designee responsible for the implementation of an ESCP who has a current ESCP coordinator certificate from the Department. The designation of an ESCP Coordinator does not relieve the property owner or other responsible parties from compliance with these Rules or liability for violations of the same.
• Requires a training, test, and certification from DPP.
• No professional credentials required.
• Responsible for implementation of BMPs and inspections. 33
Definitions (§20-3-3) Erosion and Sediment Control Plan Coordinator
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• “Certified Water Pollution Plan Preparer” means an Architect, Engineer, Land Surveyor, or Landscape Architect licensed in the State of Hawaii who has a current Water Pollution Plan Preparer Certificatefrom the Department.
• Requires a training, test, and certification from DPP.
• Required to prepare Storm Water Quality Report/Checklist.
• Required to certify that post-construction BMPs are installed properly.
34
Definitions (§20-3-3) Certified WaterPollution Plan Preparer
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QUESTIONS
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THANK YOU
www.cleanwaterhonolulu.com
City & County of Honolulu
Department of Facility
Maintenance
Environmental Concern Line
768-3300
For More
Information:RANDALL WAKUMOTO, BRANCH HEAD
Storm Water Quality Branch
Ph: 768-3242
Email: [email protected]