City Code Updates (Part 12 Cross Connection Control) Tara McGowan, - - PowerPoint PPT Presentation

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City Code Updates (Part 12 Cross Connection Control) Tara McGowan, - - PowerPoint PPT Presentation

May 27, 2023 21 likes •233 views

Item 12 Backflow Prevention City Code Updates (Part 12 Cross Connection Control) Tara McGowan, Program Supervisor Jessica Davis, Project Manager Michael Gustafson, Senior Attorney February 15, 2017 Electricity | Natural Gas | Water |

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Backflow Prevention City Code Updates (Part 12 Cross Connection Control)

Tara McGowan, Program Supervisor Jessica Davis, Project Manager Michael Gustafson, Senior Attorney February 15, 2017

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  • Backflow prevention

program

  • New state regulations
  • Proposed City Code

changes

  • Next steps

Agenda

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  • Safe drinking water supply

– Clean Water Act, 1972 – Colorado Drinking Water Regulations, Colorado Department

  • f Public Health and Environment

(CDPHE) regulations

  • Our customers trust us

Safe Drinking Water

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Normal Condition

What is backflow?

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Backflow Hazards

What is backflow?

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Sources of Hazards

  • Auto repair shop
  • Auxiliary water source
  • Blood banks
  • Boilers
  • Car wash
  • Chemical processes
  • Dental facility
  • Display fountain
  • Dry cleaning/laundries
  • Fire suppression systems
  • Greenhouse
  • Hair salons
  • Hospitals
  • Industrial
  • Irrigation
  • Laboratories
  • Livestock facility
  • Manufacturing facility
  • Medical facility and clinics
  • Mortuaries
  • Pet store
  • Pool
  • Restaurants
  • Veterinary
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  • Air Gap Separation

Backflow Protection Methods

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  • Double Check Valve Assembly (DC)

Backflow Protection Methods

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  • Reduced Pressure Principle Assembly (RP)

Backflow Protection Methods

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  • New commercial customers since 2001

– 4,600 existing commercial customers – 8,300 assemblies

  • Responsibility and cost = customer
  • Assemblies must be tested annually
  • Utilities tracks assemblies and testing
  • City Code and Standards

Existing Backflow Prevention Program

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  • CDPHE Regulation 11.39 adopted

January 1, 2016

  • Survey all commercial customer by

2020

– Total of ~14,600 customers

  • 100% testing by 2020

– 20,000 assemblies

  • Annual reporting to CDPHE
  • Response to violations

New State Regulations

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Helping Customers Succeed

Customer

Postcards Letters Phone calls Site visits Hotline Email Website Newsletter YouTube Variances Extensions Stakeholder Education CSFD and PPRBD City Code Standards

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Key Revisions:

12.1.101, 12.4.201, 12.4.1202: Definitions

– Approved Backflow Prevention Assembly – Approved Backflow Prevention Method – Backflow – Backflow Prevention Assembly – Backflow Prevention Method – Certified Backflow Prevention Assembly Tester – Cross Connection – Degree of Hazard – Premises – User

Proposed City Code Changes

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Key Revisions:

12.4.1201: Scope and Applicability

– Clarifies that one purpose is to comply with State Regulations – Confirms that Code takes precedent over Utilities’ Standards

12.4.1203: Unlawful Acts

– Includes an Approved Backflow Prevention Method as an acceptable means to protect against cross connections

Proposed City Code Changes

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Key Revisions:

12.4.1204: Plan Approval

– Clarifies when a customer needs to submit design plans and information to Utilities

12.4.1205: Installation

– Removes redundant provision

12.4.1205 (New): Inspection

– Clarifies the extent of Utilities’ liability after inspection

Proposed City Code Changes

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Key Revisions:

12.4.1207 (New): Requirements

– Reflects new requirements for when and where a customer must install a backflow prevention method or assembly

  • New commercial customers
  • Existing commercial customers who are modifying the service line or

plumbing which creates a cross connection

  • Existing commercial customers if there is a hazard at their premises
  • Residential customers if a hazard is discovered at their premises
  • Public users (other public water suppliers)
  • CEO may provide exceptions

Proposed City Code Changes

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Key Revisions:

12.4.1209 (New): Testing

– Clarifies testing requirements

12.4.1210 (New): Installation Repair and Testing

– Clarifies that service standards and specifications govern installation, maintenance, repair and replacement – Provides timeframe for customer compliance before enforcement action is taken

Proposed City Code Changes

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Key Revisions:

12.4.1212 (New): Cross Connection Survey

– Clarifies Utilities’ authority to survey customers to identify cross connections

12.4.1213 (New): Enforcement; Remedies

– Removes requirement that a customer receive first Imminent Hazard Order before administrative fines are assessed

Proposed City Code Changes

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Housekeeping Revisions:

12.4.1208 (New): Management Plan 12.4.1211 (New): Recordkeeping 12.4.1213 (New): Enforcement

Proposed City Code Changes

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  • Continued outreach to stakeholders
  • 2/28: City Council first reading
  • 3/14: City Council second reading
  • 4/1: City Code changes take effect

Next Steps

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Questions