Common use of Eligible Projects Clause in Contracts

Eligible Projects. This category includes maintenance projects which exceed the thresholds of Category I projects as well as new minor construction projects. If required, stormwater management measures must be sufficient to achieve a 10% reduction in pollutant loadings below existing levels. Category II projects must be individually submitted to Commission staff for concurrence as a minor project. Comments from Commission staff must be received and addressed before the activity is commenced. The following is a list of projects that may meet the Qualifying Parameters under Category II. This list is not inclusive of every project and there may be projects not listed below that meet the Qualifying Parameters and can be proposed by HSMCC and reviewed by CAC staff under Category II. STRUCTURAL AND FACILITY PROJECTS (10% required) • New buildings and structures • Expansion or replacement of existing buildings and structures DRAINAGE IMPROVEMENTS (10% not required) • Installation of new or modification of existing storm drain outfalls • Installation of new or modification of existing inlets and storm drains • Installation of new or modification of existing culverts SHORE EROSION CONTROL (10% not required) • New or replacement shore erosion control measures (e.g., revetments, bulkheads, living shorelines) ROADWAY, PARKING AND SIDEWALK PROJECTS (10% required) • Reconstruction or resurfacing of roadways, parking lots, and/or sidewalks where an increase in imperviousness is proposed • Upgrades to existing facilities to meet requirements of Americans with Disabilities Act (ADA) • Reconstruction of existing sidewalks and new or existing ADA ramps • Reconstruction, patching, and/or resurfacing of intersections, roads, parking lots, sidewalks, bicycle facilities or other surfaces where there is an increase in imperviousness or that does involve the conversion of one type of impervious to another UTILITIES (electric, sewer, water, telephone, and fiber optic lines) (10% not required) • Installation of new utility lines • Replacement of existing utility lines when serving new development • Replacement of access crossings • Replacement of utility crossings PIER AND PILES (10% not required) • New pier and piles (MDE or Board of Public Works authorization is required) NONSTRUCTURAL/RESTORATION PROJECTS (10% not required) • Clearing/Removal of more than five (5) hazardous trees • Streambank stabilization • Wetland creation and waterfowl impoundment construction, provided that no Habitat Protection Areas are impacted, other than the Buffer • Low-impact slope stabilization projects that utilize appropriate plantings, low retaining walls or other related landscape stabilization and restoration techniques SPECIAL PROJECTS Due to the nature of the projects listed below, the threshold limits and mitigation requirements may be varied from that described above. Unless otherwise specified, the Qualifying Parameters in 3.1 above apply. HSMCC may propose additional project types to be added to the eligible special project list below. Upon concurrence by Commission staff, the Chairman will update the Commission at the next Commission meeting of any addition. • Installation of new kayak/canoe launches

Eligible Projects. This category includes maintenance projects which exceed the thresholds of Category I projects as well as new minor construction projects. If required, stormwater management measures must be sufficient to achieve a 10% reduction in pollutant loadings below existing levels. Category II projects must be individually submitted to Commission staff for concurrence as a minor project. Comments from Commission staff must be received and addressed before the activity is commenced. The following is a list of projects that may meet the Qualifying Parameters under Category II. This list is not inclusive of every project and there may be projects not listed below that meet the Qualifying Parameters and can be proposed by HSMCC MDOT MAA and reviewed by CAC Commission staff under Category II. CATEGORY I PROJECTS (Case-by-case determination whether the 10% Rule is required) ● Category I projects that fail to meet Category I threshold limits STRUCTURAL AND FACILITY PROJECTS (10% Rule required) • New buildings and ● Buildings/structures • Expansion - new, expansion of existing, replacement, relocation, in-kind, etc. ● Repairs to or replacement of existing buildings MDOT MAA installations such as fuel storage facilities, navigational aids, and structures airfield pavement. SHORE EROSION CONTROL (10% Rule not required) ● New/Replacement shore erosion control measures (revetment, bulkheads, living shorelines) up to 500 linear feet in length DRAINAGE IMPROVEMENTS (10% Rule not required) • ● Installation of new or modification of existing storm drain outfalls • ● Installation of new or modification of existing inlets and storm drains • Installation of new or modification of existing culverts SHORE EROSION CONTROL (10% not required) • New or replacement shore erosion control measures (e.g.RUNWAY, revetmentsTAXIWAY/TAXILANES, bulkheads, living shorelines) ROADWAY, PARKING AND SIDEWALK PROJECTS (10% Rule required) • Reconstruction or ● Reconstruction, patching, and/or resurfacing of runways, taxiways/taxilanes, roadways, intersections, parking lots, and/or sidewalks where an increase in imperviousness is proposed • ● Unimproved stone/asphalt shoulder and gravel roads - conversion to paved shoulder over Graded Aggregate Base where ground disturbance is proposed ● Widening of shoulder (permanent) ● Replacement of impervious surfaces with permeable surfaces ● Upgrades to existing facilities in order to meet requirements of for Americans with Disabilities Act (ADA) • ● Reconstruction of existing sidewalks and new or existing ADA ramps • Reconstruction, patching, and/or resurfacing with more than 250 square feet of intersections, roads, parking lots, sidewalks, bicycle facilities or other surfaces where there is an increase in new imperviousness or that does involve the conversion of one type of impervious to another UTILITIES (electric, sewer, water, telephonecommunication, and fiber optic linesfuel) (10% Rule not required) • ● Installation of new utility lines • Replacement of existing and appurtenances (vaults, manholes, valves, hydrants) ● Directional boring associated with new utility lines when serving new development • Replacement of access crossings • Replacement of utility crossings PIER AND PILES STORMWATER MANAGEMENT (10% Rule not required) • New pier ● Stormwater management facility maintenance and piles (MDE retrofit with over 20,000 square feet of cutting, clearing, or Board grubbing of Public Works authorization woody vegetation within the existing footprint of the facility, including any maintenance easement for access to the facility ○ No clearing limit for woody vegetation, including in the Buffer ○ Written justification is required) NONSTRUCTURAL/RESTORATION PROJECTS required for impacts in the Buffer outside of the existing footprint of the facility, or for cutting, clearing, or grubbing of woody vegetation outside of the existing footprint of the facility, including any impacts to the Buffer or cutting, clearing, or grubbing of woody vegetation related to a new access road. Impacts outside the existing footprint of the facility, to the Buffer or to woody vegetation outside the Buffer, shall be mitigated at 1:1. ● Green infrastructure practices that are installed to treat previously untreated impervious surfaces and not otherwise required for a project that meet the following thresholds and requirements: ○ 20,000 square feet of tree clearing with no more than 5,000 square feet of clearing in the Buffer ○ Written justification is required if more than 20,000 square feet is proposed to be cleared ○ Mitigation is provided at 1:1 for all forest or developed woodland clearing, including Buffer clearing NEW VEGETATIVE CLEARING REQUIRED BY FEDERAL REGULATIONS TO ENSURE THE SAFETY OF THE TRAVELING PUBLIC (10% Rule not required) • Clearing/Removal ● New areas of more than five (5) hazardous trees • Streambank stabilization • Wetland creation and waterfowl impoundment constructionvegetative clearing required by FAA or DHS regulations which include, provided that no Habitat Protection Areas but are impacted, other than the Buffer • Low-impact slope stabilization projects that utilize appropriate plantings, low retaining walls or other related landscape stabilization and restoration techniques SPECIAL PROJECTS Due to the nature of the projects listed belownot limited to, the threshold limits following: ○ Federal Aviation Regulation (FAR) Part 77 [49 Code of Federal Regulations (CFR) Part 77], which addresses regulated surfaces such as approach and mitigation requirements may be varied from departure airspace ○ FAA Order 8260.3D United States Standard for Terminal Instrument Procedures (TERPS) which also addresses regulated airspace protection surfaces ○ FAA Advisory Circular 150/5300-13 that described aboveprovides airfield design standards including Safety Areas, Object Free Areas, Protection Zones and grade limitations ○ FAR Part 139 [14 (CFR), Part 139] and Transportation Security Administration (TSA) Guidelines for General Aviation Airport Operators and Users which address airport security ○ FAA Advisory Circular No. Unless otherwise specified150/5200-33, the Qualifying Parameters in 3.1 above apply. HSMCC may propose additional project types to be added to the eligible special project list below. Upon concurrence by Commission staff, the Chairman will update the Commission at the next Commission meeting of any addition. • Installation of new kayak/canoe launches“Hazardous Wildlife Attractants on or Near Airports,” which provides wildlife management strategies for airport operators during development SPECIAL PROJECTS

Eligible Projects. This category includes maintenance projects which exceed the thresholds NATURAL RESOURCES MANAGEMENT • Beach maintenance, clean-up, or replenishment • Removal of Category I projects hazardous trees (defined as well as new minor construction projects. If requireddead, stormwater management measures must be sufficient diseased, or dying trees that are in danger of causing injury to achieve a 10% reduction in pollutant loadings below existing levels. Category II projects must be individually submitted to Commission staff for concurrence as a minor project. Comments from Commission staff must be received and addressed before the activity is commenced. The following is a list people, damage of projects that may meet the Qualifying Parameters under Category II. This list is not inclusive of every project and there may be projects not listed below that meet the Qualifying Parameters and can be proposed by HSMCC and reviewed by CAC staff under Category II. STRUCTURAL AND FACILITY PROJECTS (10% requiredproperty, or accelerating shoreline erosion) • New buildings Invasive species removal and structures management, including Phragmites control, provided that the area is stabilized and replanted with native vegetation • Expansion Meadow maintenance and creation including forest edge management • Maintenance of existing viewsheds as shown on the Master Buffer Management Plan in Attachment 1 to include limbing of trees, removal of saplings and mowing of mowed areas • Archaeological related activities ROUTINE MAINTENANCE PROJECTS Project types include installation or the repair, modification, or replacement of existing buildings the following service oriented equipment and facilities by HSMCC • Signs • Fencing • Footbridge, pier, boardwalk, or stair redecking • Guardrails and safety barriers • Trail maintenance, including minor filling or minor rerouting FACILITY MAINTENANCE FOR EXISTING FACILITIES ONLY • Interior modification or interior renovation of buildings/structures DRAINAGE IMPROVEMENTS (10% not required) • Installation of new or modification of existing storm drain outfalls Exterior renovations and building maintenance where no ground disturbance will occur • Installation of new or modification of existing inlets and storm drains • Installation of new or modification of existing culverts SHORE EROSION CONTROL (10% not required) • New or replacement shore erosion control measures (e.g., revetments, bulkheads, living shorelines) ROADWAY, PARKING AND SIDEWALK PROJECTS (10% required) • Reconstruction or resurfacing of roadways, parking lots, and/or sidewalks where an increase in imperviousness is proposed • Upgrades to existing facilities to meet requirements of Americans with Disabilities Act (ADA) • Reconstruction of existing sidewalks and new or existing ADA ramps • ReconstructionReplacement, patching, resurfacing, and/or resurfacing milling of intersections, roads, parking lots, sidewalks, bicycle facilities or other surfaces where there is an no increase in imperviousness or and that does not involve the conversion of one type of impervious to another UTILITIES • Maintenance of bridges, piers and piles, boardwalks, and other water-dependent facilities • Maintenance, repair, or renovation of existing stormwater management facilities including culverts (does not involve any change in area or capacity) • Relocation of temporary structures, such as construction offices or temporary trailers, or stationary equipment over existing impervious surfaces UTILITY MAINTENANCE (electric, sewer, water, telephonecommunication, and fiber optic fuel lines) (10% not required) • Installation Repair, replacement, or relocation of new existing utilities. Relocated utility lines shall not serve new development or redevelopment. • Replacement Repair/replacement of existing utility lines when serving new development appurtenances (vaults, manholes, valves, hydrants) TEMPORARY OUTDOOR EVENTS • Replacement of access crossings • Replacement of utility crossings PIER AND PILES Temporary structures such as tents should be removed after each event and under no circumstances may remain over pervious surfaces for more than ten (10% not required) days • New pier and piles (MDE or Board of Public Works authorization is required) NONSTRUCTURAL/RESTORATION PROJECTS (10% not required) If any areas covered by temporary structures suffer vegetation die-off, they must be revegetated • Clearing/Removal of more than five (5) hazardous trees • Streambank stabilization • Wetland creation and waterfowl impoundment construction, provided that no Habitat Protection Areas are impacted, other than the Buffer • Low-impact slope stabilization projects that utilize appropriate plantings, low retaining walls or other related landscape stabilization and restoration techniques SPECIAL PROJECTS Due Impacts to the nature of the projects listed below, the threshold limits and mitigation requirements may Critical Area Buffer must be varied from that described above. Unless otherwise specified, the Qualifying Parameters in 3.1 above apply. HSMCC may propose additional project types to be added to the eligible special project list below. Upon concurrence by Commission staff, the Chairman will update the Commission at the next Commission meeting of any addition. • Installation of new kayak/canoe launchesminimized including no vegetation removal for temporary structures

Eligible Projects. This category includes maintenance projects which exceed the thresholds of The following Category I projects as well as new minor construction projectsactivities covered under this agreement do not require prior coordination with Commission staff; however, annual reporting of these activities is required in accordance with the reporting requirements listed above. If requiredBENEFICIAL AND NON-DEVELOPMENT RELATED PROJECTS ● Invasive species removal and management, stormwater management measures including Phragmites control. Unless otherwise authorized, removal of invasive trees must be sufficient mitigated at a 1:1 ratio. An official list of plants considered to achieve a be invasive in Maryland can be found at xxxx://xxxxxxxxxxx.xxx/species-of-concern/terrestrial-plants/ ● Meadow restoration ● Landscape plantings and tree plantings ● Wetland and stream monitoring 1 Additional information regarding the 10% reduction Rule can be found in pollutant loadings below the Environmental Site Design Criteria for the Maryland Critical Area Manual available HERE. ● Removal of debris (no temporary or permanent impacts to the Buffer) ● Soil borings, soil sampling, test pits, and exploratory trenching ● Archaeological testing, all Phase 1 and 2 Assessments ● Archaeological testing, any Phase 3 Assessment associated with a qualifying Category I or Category II project ● Installation of monitoring xxxxx and other scientific measuring/monitoring devices ● Installation of informational signage ROUTINE RUNWAY, TAXIWAY/TAXILANE, AND ROADWAY MAINTENANCE AND INSTALLATION OF MINOR AIRFIELD TRAFFIC AND SAFETY DEVICES ● Repair, modification, installation, and/ or replacement of: ○ Fencing ○ Signs ○ Traffic signals and monitoring equipment ○ Signal preemption equipment ○ Guardrails and safety barriers ○ Overhead signs and lighting ○ Permanent variable message signs ○ Installation of anodes and wire tests ○ Pavement markings ○ Pavement grooving and rumble strips ○ Roadway/Airfield Lighting ○ Closed Circuit Television (CCTV) ○ Navigational aid (NAVAID) markers and devices ● Replacement, patching, resurfacing, and/or milling of runways, taxiways/taxilanes, and roadways ● Replacement, patching, resurfacing, and/or milling of intersections, and/or parking lots, where there is no net increase in imperviousness and impervious areas that are removed are stabilized ● Replacement or repair of existing levels. hardscaping ● Unimproved stone/asphalt shoulder and gravel roads - conversion to paved shoulder over Graded Aggregate Base and maintenance of existing gravel roads ● Widening of shoulder for temporary traffic shifting for projects not associated with Category II projects or for projects that require full Commission review. Temporary projects may only last up to two years and the area must be individually submitted restored to Commission staff its original condition. FACILITY MAINTENANCE PROJECTS FOR EXISTING FACILITIES ONLY ● Interior modification or interior renovation of buildings/structures ● Exterior renovations and building maintenance where no ground disturbance will occur ● Replacement of hydraulic lifts (which may include removal of contaminated soil) STORMWATER MANAGEMENT PROJECTS ● Pavement removal with stabilization ● Construction of new stormwater management (SWM) facilities on MAA-owned land, where no tree removal or permanent disturbance within the Critical Area Buffer will occur ● Stabilization of existing stormwater outfalls limited to installation of rip rap at pipe outfalls where any incidental impact for concurrence access is temporary and the disturbed area is revegetated ● SWM facility maintenance or retrofit within the footprint of the existing facility, including any existing maintenance easement for access to the facility, for up to 20,000 square feet of cutting, clearing, or grubbing of existing woody vegetation. There are no mitigation requirements for the maintenance or retrofit of an existing SWM facility. ● The removal of woody vegetation from existing dam embankments as a minor projectrequired by MDE’s Dam Safety Division. Comments from Commission staff must be received There are no clearing limits or mitigation requirements. ROUTINE DRAINAGE AND SMALL STRUCTURES Drainage Improvements ● Repair and addressed before the activity is commenced. The following is a list replacement of projects that may meet the Qualifying Parameters under Category II. This list ○ pneumatically applied mortar ○ rip rap ○ grout bags ○ lining mortar ○ existing slope protection ○ drainage improvement within existing runways, taxiways/taxilanes and roadways where impervious surface is not inclusive increased and stormwater management is not required ○ ditch to originally authorized condition (sediment and associated vegetation removal) ● Removal of every project debris from streams, consistent with MDE Waterway Construction law and there may be projects not listed below that meet the Qualifying Parameters regulations Culverts and can be proposed by HSMCC Conveyances (box culverts, pipes, etc.) ● Repair, replacement, extension, or removal of culverts and reviewed by CAC staff under Category II. STRUCTURAL AND FACILITY PROJECTS outfalls including ○ headwalls and end sections ○ railings ○ wingwalls ○ spalling ○ joints ○ erosion and sediment control ○ sediment ● Installation of grout bags or rip rap Piers, Jetties, Docks, and Groins ● Underpinning ● Pile stubbing/splicing/jackets ● Scour stabilization at piers and abutments ● Patching and deck work, including replacement ● Addition of floating finger UTILITY MAINTENANCE (10% requiredelectric, sewer, water, communication, fuel lines) • New buildings and structures • Expansion ● Repair, replacement, or replacement relocation of existing buildings and structures DRAINAGE IMPROVEMENTS (10% utilities. Relocated utility lines shall not required) • Installation of serve new development or modification redevelopment. ● Repair, replacement, or relocation of existing storm drain outfalls • Installation utility appurtenances (vaults, manholes, valves, hydrants) SLOPE STABILIZATION AND DAM EMBANKMENTS (INCLUDING STORMWATER FACILITIES) ● The removal of new woody vegetation from existing dam embankments as required by MDE’s Dam Safety Division. There are no clearing limits or modification mitigation requirements. ● Dam maintenance, stabilization and repair ● New slope stabilization and repair of existing inlets stabilization ACCESS ROADS ● New access roads outside of the Buffer constructed using pervious construction methods, such as cellular confinement systems, and storm drains • Installation of new or modification of existing culverts SHORE EROSION CONTROL limited in width to 22 feet which is the minimum width necessary to accommodate emergency vehicles/equipment as required by Federal Aviation Administration (10% not requiredFAA) • New or replacement shore erosion control measures (e.g., revetments, bulkheads, living shorelines) ROADWAY, PARKING safety standards SIDEWALKS AND SIDEWALK PROJECTS (10% required) • Reconstruction or resurfacing of roadways, parking lots, and/or sidewalks where an increase in imperviousness is proposed • Upgrades to existing facilities to meet requirements of Americans with Disabilities Act (ADA) • ADA RAMPS ● Reconstruction of existing sidewalks and new or existing ADA ramps • Reconstruction, patching, and/or resurfacing with less than or equal to 250 square feet of intersections, roads, parking lots, sidewalks, bicycle facilities or other surfaces where there is an increase in new imperviousness or that does involve the conversion of one type of impervious to another UTILITIES (electric, sewer, water, telephone, and fiber optic lines) (10% Rule not required) • Installation MAINTENANCE OF PREVIOUSLY CLEARED AREAS AS REQUIRED BY FEDERAL REGULATIONS TO ENSURE THE SAFETY OF THE TRAVELING PUBLIC ● Maintenance of new utility lines • Replacement previously cleared areas as required by the FAA, Department of existing utility lines when serving new development • Replacement of access crossings • Replacement of utility crossings PIER AND PILES Homeland Security (10% not required) • New pier and piles (MDE or Board of Public Works authorization is required) NONSTRUCTURAL/RESTORATION PROJECTS (10% not required) • Clearing/Removal of more than five (5) hazardous trees • Streambank stabilization • Wetland creation and waterfowl impoundment constructionDHS), provided that no Habitat Protection Areas are impacted, other than the Buffer • Low-impact slope stabilization projects that utilize appropriate plantings, low retaining walls or other related landscape stabilization and restoration techniques SPECIAL PROJECTS Due to the nature of the projects listed belowfederal agency regulations which include, but are not limited to, the threshold limits following: ○ Federal Aviation Regulation (FAR) Part 77 [49 Code of Federal Regulations (CFR) Part 77], which addresses regulated surfaces such as approach and mitigation requirements may be varied from departure airspace ○ FAA Order 8260.3D United States Standard for Terminal Instrument Procedures (TERPS) which also addresses regulated airspace protection surfaces ○ FAA Advisory Circular 150/5300-13 that described aboveprovides airfield design standards including Safety Areas, Object Free Areas, Protection Zones and grade limitations ○ XXX Xxxx 000 [00 XXX Part 139] and Transportation Security Administration (TSA) Guidelines for General Aviation Airport Operators and Users, which address airport security ○ FAA Advisory Circular No. Unless otherwise specified150/5200-33, the Qualifying Parameters in 3.1 above apply. HSMCC may propose additional project types to be added to the eligible special project list below. Upon concurrence by Commission staff, the Chairman will update the Commission at the next Commission meeting of any addition. • Installation of new kayak/canoe launches“Hazardous Wildlife Attractants on or Near Airports,” which provides wildlife management strategies for airport operators during development

Eligible Projects. This category includes maintenance projects which exceed the thresholds of Category I projects as well as new minor construction projects. If required, stormwater management measures must be sufficient to achieve a 10% reduction in pollutant loadings below existing levels. Category II projects must be individually submitted to Commission staff for concurrence as a minor project. Comments from Commission staff must be received and addressed before the activity is commenced. The following is a list of projects that may meet the Qualifying Parameters under Category II. This list is not inclusive of every project and there may be projects not listed below that meet the Qualifying Parameters and can be proposed by HSMCC MDOT SHA and reviewed by CAC staff under Category II. CATEGORY I PROJECTS (Determined on a Case-by-Case basis regarding 10%) ● Category I projects that fail to meet Category I threshold limits. STRUCTURAL AND FACILITY PROJECTS (10% required) • New buildings and ● Buildings/structures • Expansion - new, expansion of existing, replacement, relocation, in-kind, etc. ● Repairs to or replacement of existing buildings and structures truck weigh stations, salt domes, rest areas, or MDOT SHA installations. SHORE EROSION CONTROL (10% not required) ● New/Replacement shore erosion control measures (revetment, bulkheads, living shorelines). DRAINAGE IMPROVEMENTS (10% not required) • ● Installation of new or modification of existing storm drain outfalls • ● Installation of new or modification of existing inlets and storm drains • Installation of new or modification of existing culverts SHORE EROSION CONTROL (10% not required) • New or replacement shore erosion control measures (e.g., revetments, bulkheads, living shorelines) ROADWAY, PARKING AND SIDEWALK PROJECTS (10% required) • Reconstruction ● Installation of new bicycle lanes (except for multi-use paths - see Special Projects) or sidewalks ● Reconstruction, patching, and/or resurfacing of roadways, intersections, bicycle facilities, parking lots, and/or sidewalks where an increase in imperviousness is proposed • proposed. ● Unimproved stone/asphalt shoulder - conversion to paved shoulder where ground disturbance is proposed. ● Widening of shoulder (permanent). ● Replacement of impervious surfaces with permeable surfaces. ● Upgrades to existing facilities in order to meet requirements of for Americans with Disabilities Act (ADA) • Act. ● Reconstruction of existing sidewalks and new or existing ADA ramps • Reconstruction, patching, and/or resurfacing with more than 250 sq ft of intersections, roads, parking lots, sidewalks, bicycle facilities or other surfaces where there is an increase in imperviousness or that does involve the conversion of one type of impervious to another new imperviousness. UTILITIES (electric, sewer, water, telephone, marine fuel and fiber optic lines) (10% not required) • ● Installation of new utility lines • ● Replacement of existing utility lines when serving new development • utilities ● Replacement of access crossings • ● Replacement of utility crossings PIER ● Directional boring associated with utility repair/replacement ● Repair of existing appurtenances (valves, hydrants, manholes) BRIDGES AND PILES SMALL STRUCTURES (see below for 10% requirement) ● Redecking (no 10% required) ● Bank stabilization (no 10% required) ● Pier/pile (in-kind) (no 10% required) ● Bridge and small structure replacement within the same alignment (10% required) STORMWATER MANAGEMENT (10% not required) • New pier ● Stormwater management facility maintenance and piles (MDE retrofit with over 20,000 sq ft of cutting, clearing, or Board grubbing of Public Works authorization woody vegetation within the existing footprint of the facility, including any maintenance easement for access to the facility. ○ No clearing limit for woody vegetation, including in the Buffer ○ Written justification is required) NONSTRUCTURAL/RESTORATION PROJECTS (10% required for impacts in the Buffer outside of the existing footprint of the facility, or for cutting, clearing, or grubbing of woody vegetation outside of the existing footprint of the facility, including any impacts to the Buffer or cutting, clearing, or grubbing of woody vegetation related to a new access road. Impacts outside the existing footprint of the facility, to the Buffer or to woody vegetation outside the Buffer, shall be mitigated at 1:1. ● Green infrastructure practices that are installed to treat previously untreated impervious surfaces and not required) • Clearing/Removal otherwise required for a project that meet the following thresholds and requirements: ○ 20,000 sq ft of tree clearing with no more than five (5) hazardous trees • Streambank stabilization • Wetland creation and waterfowl impoundment construction, provided that no Habitat Protection Areas are impacted, other than 5,000 sq ft of clearing in the Buffer • Low-impact slope stabilization projects that utilize appropriate plantings○ Written justification is required if more than 20,000 sq ft is proposed to be cleared ○ Mitigation is provided at 1:1 for all forest or developed woodland clearing, low retaining walls or other related landscape stabilization and restoration techniques including Buffer clearing SPECIAL PROJECTS Due to the nature of the projects listed below, the threshold limits and mitigation requirements may be varied from that described above. Unless otherwise specified, the Qualifying Parameters in 3.1 above still apply. HSMCC MDOT SHA may propose additional project types to be added to the eligible special project list below. Upon concurrence by Commission staff, the Chairman will update the Commission at the next Commission meeting of any addition. • Nonstructural/Restoration Projects (10% not required) ● No threshold for limit of disturbance or clearing ● Impacts are permitted in the Buffer ● Coordination with DNR, MDE, MHT, USFWS, EPA, NMFS, and USACE occurs ● Planting is provided at a 1:1 ratio for clearing of forest and developed woodland ● Qualifying activities include: ○ Clearing/Removal of more than five (5) hazardous trees ○ Streambank stabilization ○ Revetment above mean high water ○ Xxxx or dam construction/removal ○ Wetland creation and waterfowl impoundment construction, provided that no Habitat Protection Areas are impacted, other than the Buffer ○ Low-impact slope stabilization projects that utilize appropriate plantings, low retaining walls or other related landscape stabilization and restoration techniques ○ Stream Restoration Multi-Use Paths (10% is required) ● No threshold for limit of disturbance ● Permanent impacts are permitted in the Buffer of less than 5,000 square feet ● Consistent with DNR Wildlife and Heritage Service requirements and recommendations for Habitat Protection Areas other than the Buffer ● Clearing impacts to forest or developed woodland of no more than 20,000 square feet ● Wetland impacts are permitted, provided all MDE requirements have been met Solar or Photovoltaic Solar (PVS) System Installation (10% is not required if project meets MDE specifications) ● New installation, replacement, repair, or removal of solar or PVS systems, including interconnection to the power grid ● Directional boring associated with solar or PVS system installation ● Up to 5,000 square feet of new kayak/canoe launchessolar panels may be located in the Buffer but may not be located further waterward into the Buffer than existing development ● No more than five (5) trees may be cleared, either inside or outside the Buffer EXHIBIT A1: ATTACHMENT 1 TECHNICAL AND PROCESS GUIDANCE DOCUMENT Definitions Buffer Management Plan - A narrative, graphic description, or plan of the Buffer that is necessary when an applicant proposes a development activity that will:

Eligible Projects. This category includes maintenance projects which exceed the thresholds of Category I projects as well as new minor construction projects. If required, stormwater management measures must be sufficient to achieve a 10% reduction in pollutant loadings below existing levels. Category II projects must be individually submitted to Commission staff for concurrence as a minor project. Comments from Commission staff must be received and addressed before the activity is commenced. The following is a list of projects that may meet the Qualifying Parameters under Category II. This list is not inclusive of every project and there may be projects not listed below that meet the Qualifying Parameters and can be proposed by HSMCC MDOT MTA and reviewed by CAC staff under Category II. CATEGORY I PROJECTS (Determined on a Case-by-Case basis regarding 10%) • Category I projects that fail to meet Category I threshold limits STRUCTURAL AND FACILITY EXPANSION PROJECTS (10% required) • New buildings and Buildings/structures – new, expansion of existing, replacement, relocation, in-kind, etc. • Expansion Repairs to salt domes, engine houses, maintenance sheds or replacement of existing buildings and structures MDOT MTA installations SHORE EROSION CONTROL (10% not required) • New/Replacement shore erosion control measures (revetment, bulkheads, living shorelines) DRAINAGE IMPROVEMENTS (10% not required) • Installation of new or modification of existing storm drain outfalls • Installation of new or modification of existing inlets and storm drains • Installation of new or modification of existing culverts SHORE EROSION CONTROL (10% not required) • New or replacement shore erosion control measures (e.g., revetments, bulkheads, living shorelines) ROADWAY, PARKING AND SIDEWALK PROJECTS (10% required) • Reconstruction Installation of new bicycle lanes (except for multi-use paths - see Special Projects) or sidewalks • Reconstruction, patching, and/or resurfacing of roadways, intersections, bicycle facilities, parking lots, and/or sidewalks where an increase in imperviousness is proposed • Replacement of impervious surfaces with permeable surfaces • Upgrades to existing facilities in order to meet requirements of for Americans with Disabilities Act (ADA) • Reconstruction of existing sidewalks and new or existing ADA ramps • Reconstruction, patching, and/or resurfacing with more than 250 sqft of intersections, roads, parking lots, sidewalks, bicycle facilities or other surfaces where there is an increase in new imperviousness or that does involve the conversion of one type of impervious to another UTILITIES (electric, sewer, water, telephone, marine fuel and fiber optic lines) (10% not required) • Installation of new utility lines • Replacement of existing utility lines when serving new development utilities • Replacement of access crossings • Replacement of utility crossings PIER • Directional boring associated with utility repair/replacement • Repair of existing appurtenances (valves, hydrants, manholes) BRIDGES AND PILES SMALL STRUCTURES (see below for 10% requirement) • Redecking (no 10% required) • Bank stabilization (no 10% required) • Pier/pile (in-kind) (no 10% required) • Bridge and small structure replacement within the same alignment (10% required) STORMWATER MANAGEMENT (10% not required) • New pier Stormwater management facility maintenance and piles (MDE retrofit with over 20,000 sq ft of cutting, clearing, or Board grubbing of Public Works authorization woody vegetation within the existing footprint of the facility, including any maintenance easement for access to the facility. o No clearing limit for woody vegetation, including in the Buffer o Written justification is required) NONSTRUCTURAL/RESTORATION PROJECTS (10% required for impacts in the Buffer outside of the existing footprint of the facility, or for cutting, clearing, or grubbing of woody vegetation outside of the existing footprint of the facility, including any impacts to the Buffer or cutting, clearing, or grubbing of woody vegetation related to a new access road. Impacts outside the existing footprint of the facility, to the Buffer or to woody vegetation outside the Buffer, shall be mitigated at 1:1. • Green infrastructure practices that are installed to treat previously untreated impervious surfaces and not required) • Clearing/Removal otherwise required for a project that meet the following thresholds and requirements: o 20,000 sq ft of tree clearing with no more than five (5) hazardous trees • Streambank stabilization • Wetland creation and waterfowl impoundment construction, provided that no Habitat Protection Areas are impacted, other than 5,000 sq ft of clearing in the Buffer • Low-impact slope stabilization projects that utilize appropriate plantingso Written justification is required if more than 20,000 s ft is proposed to be cleared o Mitigation is provided at 1:1 for all forest or developed woodland clearing, low retaining walls or other related landscape stabilization and restoration techniques including Buffer clearing SPECIAL PROJECTS Due to the nature of the projects listed below, the threshold limits and mitigation requirements may be varied from that described above. Unless otherwise specified, the Qualifying Parameters in 3.1 above still apply. HSMCC MDOT MTA may propose additional project types to be added to the eligible special project list below. Upon concurrence by Commission staff, the Chairman will update the Commission at the next Commission meeting of any addition. • Nonstructural/Restoration Projects (10% not required) ● No threshold for limit of disturbance or clearing ● Impacts are permitted in the Buffer ● Coordination with DNR, MDE, MHT, USFWS, EPA, NMFS, and USACE occurs ● Planting is provided at a 1:1 ratio for clearing of forest and developed woodland ● Qualifying activities include: ○ Clearing/Removal of more than five (5) hazardous trees ○ Streambank stabilization ○ Revetment above mean high water ○ Xxxx or dam construction/removal ○ Wetland creation and waterfowl impoundment construction, provided that no Habitat Protection Areas are impacted, other than the Buffer ○ Low-impact slope stabilization projects that utilize appropriate plantings, low retaining walls or other related landscape stabilization and restoration techniques ○ Stream Restoration Multi-Use Paths (10% is required) ● No threshold for limit of disturbance ● Permanent impacts are permitted in the Buffer of less than 5,000 square feet ● Consistent with DNR Wildlife and Heritage Service requirements and recommendations for Habitat Protection Areas other than the Buffer ● Clearing impacts to forest or developed woodland of no more than 20,000 square feet. ● Wetland impacts are permitted, provided all MDE requirements have been met Solar or Photovoltaic Solar (PVS) System Installation (10% is not required if project meets MDE specifications) ● New installation, replacement, repair, or removal of solar or PVS systems, including interconnection to the power grid ● Directional boring associated with solar or PVS system installation ● Up to 5,000 square feet of new kayak/canoe launchessolar panels may be located in the Buffer but may not be located further waterward into the Buffer than existing lot coverage ● No more than five (5) trees may be cleared, either inside or outside the Buffer EXHIBIT A3: ATTACHMENT 1 TECHNICAL AND PROCESS GUIDANCE DOCUMENT Definitions Buffer Management Plan - A narrative, graphic description, or plan of the Buffer that is necessary when an applicant proposes a development activity that will: