DRAINAGE CRITERIA MANUAL VOLUME 2 STORMWATER QUALITY POLICIES, PROCEDURES AND BEST MANAGEMENT PRACTICES (BMPs)  


ABBREVIATIONS OF STRUCTURAL BMPS IN THE MANUAL
STANDARD SYMBOLS
DEFINITIONS
§ 1.0. OVERVIEW/PURPOSE
Appendix 2.0. STORMWATER QUALITY MANAGEMENT
§ 2.1. Environmental Impacts of Runoff
§ 2.2. Stormwater Runoff Constituents and Sources
§ 2.3. NPDES Permit Regulations
Phase I Stormwater Regulations
Phase II Stormwater Regulations
Non-Stormwater Discharges
§ 2.4. Summary
Appendix 3.0. CONSTRUCTION STORMWATER MANAGEMENT
§ 3.1. Introduction
§ 3.2. Erosion and Stormwater Quality Control Plan
General Principles
Plan Elements
Best Management Practices (BMPs)
Additional Information Requirements/Modifications to Plan
Plan Implementation
City Inspections
Record Keeping
Guarantee
Relation to CDPS Stormwater Requirements
Consistency and Compliance with Other Plans and Regulations
§ 3.3. Construction BMP Factsheets
Guidelines for Implementing Construction Best Management Practices
Check Dam
Erosion Control Blankets
Inlet Protection
Mulching
Sediment Basin
Silt Fence
Slope Drain
Straw Bale Barriers
Street Wash Water Associated with Construction Activities
Surface Roughening
Surface Roughening Notes
Temporary Seeding
Temporary Swale
Vehicle Tracking
§ 3.4. Construction Site Inspections
Types of Inspections
Frequency and Types of Inspections of Construction Sites
§ 3.5. Construction Enforcement Strategy
Goal of Strategy
Policies
Definitions
Enforcement Procedures
Appendix 4.0. NEW DEVELOPMENT STORMWATER MANAGEMENT
§ 4.1. New Development Planning
Overview
Four-Step Process
Other BMPs
Employing Runoff Reduction Techniques
Providing Water Quality Capture Volume (WQCV)
Structural BMP Effectiveness
§ 4.2. New Development BMP Factsheets
Grass Buffer (GB)
Grass Swale (GS) - Sedimentation Facility
Modular Block Porous Pavement (MBP)
Porous Pavement Detention (PPD)
Porous Landscape Detention (PLD) - Sedimentation Facility
Extended Detention Basin (EDB) - Sedimentation Facility
Sand Filter Extended Detention Basin (SFB)
Constructed Wetlands Basin (CWB)—Sedimentation Facility
Retention Pond (RP)—Sedimentation Facility
Constructed Wetlands Channel (CWC)—Sedimentation Facility
Covering of Storage/Handling Areas
Spill Containment And Control
§ 4.3. Typical Structural Details
§ 4.4. Procedures for Assessment of Structural Controls for Retrofitting Water Quality Features.
Appendix A. NEW DEVELOPMENT DESIGN FORMS
Appendix B. MATERIAL SPECIFICATIONS
Appendix C. INSPECTION CHECKLIST - GRADING EROSION, AND STORMWATER QUALITY CONTROLS

The City of Colorado Springs Drainage Criteria Manual Volume 2 (DCMV2) was adopted as El Paso County's stormwater quality design criteria, with the intent to use Appendix I of the El Paso County's Engineering Criteria Manual (ECM) to provide additions and revisions applicable to the County in order to expand its scope to cover rural areas and other situations specific to the County. The goal has been to maintain consistency between criteria used in the County and in the City of Colorado Springs. Please refer to section 1.3 of Appendix I of the ECM for additional clarification.

RESOLUTION NO. 135-02

A RESOLUTION ADOPTING THE CITY OF COLORADO SPRINGS DRAINAGE CRITERIA MANUAL VOLUME 2 - STORMWATER QUALITY POLICIES, PROCEDURES AND BEST MANAGEMENT PRACTICES (BMPs) AND INCORPORATING INTO THE CITY OF COLORADO SPRINGS SUBDIVISION POLICY MANUAL AND PUBLIC WORKS DESIGN MANUAL

WHEREAS, the City of Colorado Springs was required under its 1997 federally-mandated Municipal Stormwater Discharge Permit to review, revise and develop stormwater quality codes, policies, procedures and Best Management Practices (BMPs) relating to construction and new development/redevelopment activities; and

WHEREAS, the City of Colorado Springs City Engineering Division has developed a Drainage Criteria Manual Volume 2 - Stormwater Quality Policies, Procedures and Best Management Practices (BMPs); and

WHEREAS, the Drainage Criteria Manual Volume 2 enhances and adds to existing policies, procedures, criteria and BMPs relating to grading and erosion control activities and adds new stormwater quality policies, procedures, criteria and BMPs relating to new development/redevelopment activities; and

WHEREAS, the City of Colorado Springs will benefit from an improved stormwater quality program relating to construction and new development/redevelopment activities;

NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF COLORADO SPRINGS:

Section 1. That the City of Colorado Springs Drainage Criteria Manual Volume 2 - Stormwater Quality Policies, Procedures and Best Management Practices (BMPs) is hereby incorporated into the City of Colorado Springs Subdivision Policy Manual and Public Works Design Manual.

Section 2. That the City of Colorado Springs Drainage Criteria Manual Volume 2 - Stormwater Quality Policies, Procedures and Best Management Practices (BMPs) is adopted and shall become effective for use in all construction and new development/redevelopment activities, as designated in the Manual and beginning with any applicable reports, studies and plans submitted to City Engineering for review or approval on or after November 1, 2002.

Dated at Colorado Springs, Colorado, this 13th day of August, 2002.

      Mayor

   

ATTEST:

/s/ Kathryn M. Young
      City Clerk

   

Acknowledgements

The development of this Stormwater Quality BMP Manual was made possible by the participation and contributions of the following people:

City of Colorado Springs

Bruce Thorson: City Engineering, Project Manager

CH2M HILL

Patricia Nelson: Project Manager and Co-author

James Wulliman: Technical Advisor and Co-author - Construction BMPs

Jennifer Richards: Co-author

Technical Advisory Committee (TAC)

Charles Graff: Charles E. Graff & Associates

Bobby Ingels: La Plata Investments (currently with Ingels Company)

Dan Kasson: Schmidt Construction Company

Dennis Minchow: Rockwell Minchow Consultants, Inc.

Richard Wray: Kiowa Engineering

André Brackin: El Paso County Department of Transportation

Jerry Banks: City of Colorado Springs, City Engineering

Brian Kelley: City of Colorado Springs, City Engineering

Leonard Miller: City of Colorado Springs, City Engineering

Paul Tice: City of Colorado Springs, Development Review/Zoning

Anne Knapp: City of Colorado Springs, Comprehensive Planning

Rob O'Connor: City of Colorado Springs, Comprehensive Planning

Kim Karr: City of Colorado Springs, Streets/Drainage Maintenance

Steve Berry: City of Colorado Springs, Public Communications (currently with Colorado Springs Utilities, Public Affairs)

Robert Mack: City of Colorado Springs, Attorney's Office
David Hornbacker: Colorado Springs Utilities, Development Services

Urban Drainage and Flood Control District

Ben Urbonas: Provided significant contributions by allowing the City to use information from the Urban Drainage and Flood Control District's "Urban Storm Drainage Criteria Manual-Volume 3, Best Management Practices," including the New Development Planning and BMP Factsheet Sections, Typical Structural Details, Design Forms, and other portions of the manual. Some revisions have been made to these various sections to better tailor this Manual to the City of Colorado Springs.