Forest Conservation Manual
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HOWARD COUNTY FOREST CONSERVATION MANUAL Howard County Department of Planning & Zoning Adopted: February 3, 2021 Acknowledgements COUNTY EXECUTIVE Calvin Ball COUNTY COUNCIL Liz Walsh, District 1 Opel Jones, District 2 Christiana Rigby, District 3 Deb Jung, District 4 David Yungmann, District 5 DEPARTMENT OF PLANNING AND ZONING Amy Gowan, Director Peter Conrad, Deputy Director Mary Kendall, Deputy Director Jeffrey Bronow, Chief, Research Division Beth Burgess, Chief, Resource Conservation Division Anthony Cataldo, Chief, Land Development Division Chad Edmonson, Chief, Development Engineering Division Geoff Goins, Chief, Zoning Administration and Public Service Kristin O’Connor, Chief, Comprehensive and Community Planning CONTRIBUTING STAFF Scott Bowen, Department of Recreation and Parks David Keane, Department of Recreation and Parks Brenda Luber, Land Development Division, DPZ William Mahoney, Office of Community Sustainability Susan Overstreet, Resource Conservation Division, DPZ Jeannette Anders, Department of Planning and Zoning, Retired Cindy Hamilton, Department of Planning and Zoning, Retired Elmina Hilsenrath, Department of Planning and Zoning, Retired Kent Sheubrooks, Department of Planning and Zoning, Retired TECHNICAL ADVISORY COMMITTEE Angelica Bailey, (former) Vice President of Government Affairs, MD Building Industry Association Jennifer Bird, KCI Technologies John Canoles, Principal, Eco-Science Professionals Erik Fisher, Maryland Assistant Director, Chesapeake Bay Foundation Craig Highfield, Director of Chesapeake Forests Program, Alliance for the Chesapeake Bay Scott McGill, Ecotone Greg O’Hare, Manager, Natural Resources, RKK Keith Ohlinger, Vice President, Maryland Forests Association Mike Tran, Gutschick, Little & Weber Michael Trumbauer, Senior Restoration Ecologist, Biohabitats Stephanie Tuite, RLA, Fisher, Collins and Carter Jason Van Kirk, Chair, Howard Co. Chapter MD Building Industry Association and Elm Street Development FOR ADDITIONAL INFORMATION This document is available in digital form on the Department of Planning & Zoning web site. All required forms and applications can also be downloaded at the web site. https://www.howardcountymd.gov/ Preface TABLE OF CONTENTS Table of Contents CHAPTER 1: INTRODUCTION ...............................................................................................................1 1.0 BACKGROUND ...............................................................................................................................1 1.1 PURPOSE OF THE MANUAL .........................................................................................................1 1.2 FOREST ..........................................................................................................................................2 1.3 APPLICABILITY ...............................................................................................................................2 1.4 DECLARATION OF INTENT ............................................................................................................4 1.5 DIFFERENCES FROM OTHER APPROACHES .............................................................................4 CHAPTER 2: FOREST STAND DELINEATION ....................................................................................7 2.1 PURPOSE AND APPROACH ..........................................................................................................7 2.2 SUBMISSION REQUIREMENTS ....................................................................................................7 Figure 2-A: Example Vicinity Map ..............................................................................................10 Figure 2-B: Example Forest Stand Assessment Map ................................................................ 11 Figure 2-C: Example Forest Stand Analysis Table ...................................................................13 2.3 COMBINED FOREST STAND DELINEATION / FOREST CONSERVATION PLAN ....................14 Figure 2-D: Example Forest Stand Delineation Narrative .........................................................16 CHAPTER 3: FOREST CONSERVATION PLAN ................................................................................19 3.0 INTRODUCTION ...........................................................................................................................19 3.1 SUBMISSION REQUIREMENTS ..................................................................................................19 3.2 NET TRACT AREA .........................................................................................................................21 Figure 3-A: Net Tract Area Options for Cluster Subdivisions .....................................................23 3.3 CALCULATING FOREST CONSERVATION OBLIGATIONS ........................................................25 Figure 3-B: Reforestation and Afforestation Thresholds ............................................................26 3.4 PREFERRED MITIGATION LOCATION ........................................................................................28 Figure 3-C: Break Even Point ....................................................................................................30 Figure 3-D: Clearing to the Break Even Point ...........................................................................31 Figure 3-E: Clearing below the Break Even Point .....................................................................32 Figure 3-F: Clearing below the Reforestation Threshold ...........................................................33 Figure 3-G: Meeting the Afforestation Threshold .......................................................................34 Figure 3-H: Clearing below the Afforestation Threshold ............................................................35 Figure 3-I: Clearing below the Reforestation Threshold w/ Planting Outside the Watershed ....36 Figure 3-J: Clearing below the Afforestation Threshold w/ Planting Outside the Watershed.....37 Figure 3-K: Forest Conservation Watersheds Map ...................................................................38 3.5 FOREST RETENTION AREAS ......................................................................................................40 3.6 REFORESTATION AND AFFORESTATION AREAS .....................................................................42 3.7 COORDINATION WITH OTHER SITE ISSUES ............................................................................44 3.8 PREFERRED METHODS FOR REFORESTATION AND AFFORESTATION ...............................46 Figure 3-L: Residential Lot Line Setbacks from Planted Easements ........................................47 3.9 REFORESTATION AND AFFORESTATION PLANTING PLANS ..................................................51 Figure 3-M: Plant Quantity, Size, Spacing and Equivalent Area ................................................53 Figure 3-N: Planting Patterns ....................................................................................................54 Figure 3-N: Planting Patterns (continued) .................................................................................55 3.10 PROTECTION PROGRAMS .......................................................................................................56 3.11 FEE-IN-LIEU REQUESTS............................................................................................................57 3.11 VARIANCE REQUESTS ..............................................................................................................58 February 2021 i Howard County, MD FOREST CONSERVATION MANUAL CHAPTER 4: IMPLEMENTATION TECHNIQUES AND PRACTICES ..........................................61 4.0 INTRODUCTION ...........................................................................................................................61 4.1 CONSTRUCTION PERIOD GENERAL PRACTICES ....................................................................62 4.2 FOREST RETENTION AREA PROTECTION PROCEDURES .....................................................63 Figure 4-A: Mitigating Construction Impacts on Forest Retention Areas ...................................65 Figure 4-A: Mitigating Construction Impacts on Forest Retention Areas (cont’d) ......................66 4.3 PLANTING PROCEDURES ...........................................................................................................68 Figure 4-B: Planting and Maintenance Calendar .......................................................................72 4.4 MAINTENANCE AND MONITORING OF PLANTED AREAS........................................................74 4.5 POST-CONSTRUCTION PROTECTION PRACTICES .................................................................77 4.6 LONG-TERM PROTECTION RESPONSIBILITIES .......................................................................80 CHAPTER 5: PROGRAM ADMINISTRATION ...................................................................................81 5.1 INTRODUCTION ...........................................................................................................................81 5.2 QUALIFIED PROFESSIONALS .....................................................................................................81 5.3 ORGANIZATION OF THE HOWARD COUNTY PROGRAM .........................................................82 5.4 REVIEW OF PLANS ......................................................................................................................82