THE FROST BRIDGE to CAMPVILLE 115-Kv PROJECT by the CONNECTICUT LIGHT and POWER COMPANY DOING BUSINESS AS EVERSOURCE ENERGY

THE FROST BRIDGE TO CAMPVILLE 115-kV PROJECT BY THE CONNECTICUT LIGHT AND POWER COMPANY DOING BUSINESS AS EVERSOURCE ENERGY

VOLUME 5: PROJECT MAPPING & DRAWINGS

SEPTEMBER 2015

Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

VOLUME 5: PROJECT MAPPING & DRAWINGS

EXHIBIT 1: 400 SCALE MAPS: PROPOSED ROUTE

APPENDIX 1A: OVERVIEW OF ROUTE ON USGS MAPS APPENDIX 1B: PROPOSED ROUTE AERIAL MAPS – 400 SCALE

EXHIBIT 2: 100 SCALE MAPS: PROPOSED ROUTE

APPENDIX 2A: OVERVIEW OF ROUTE ON USGS MAP APPENDIX 2B: PROPOSED ROUTE AERIAL MAPS – 100 SCALE

EXHIBIT 3: SUBSTATION DRAWINGS

APPENDIX 3A: PROPOSED FROST BRIDGE SUBSTATION MODIFICATIONS APPENDIX 3B: PROPOSED CAMPVILLE SUBSTATION MODIFICATIONS

EXHIBIT 4: PROPOSED ROUTE CROSS SECTIONS AND PLAN AND PROFILE DRAWINGS

APPENDIX 4A: TYPICAL CROSS SECTIONS APPENDIX 4B: PLAN AND PROFILE DRAWINGS

Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

EXHIBIT 1: 400 SCALE MAPS: PROPOSED ROUTE

APPENDIX 1A: OVERVIEW OF ROUTE ON USGS MAPS APPENDIX 1B: PROPOSED ROUTE AERIAL MAPS – 400 SCALE

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

INTRODUCTION

This volume provides maps that identify both the regional setting and the land use / environmental characteristics of the 10.4-mile Proposed Route that Eversource Energy has identified for the new 115-kV transmission line and related facilities comprising the Frost Bridge to Campville Project (Project).

Eversource’s Proposed Route, along which the new 115-kV transmission line would be constructed and operated in overhead configurations, would follow an existing Eversource right-of-way (ROW) extending between Eversource’s existing Frost Bridge Substation in the Town of Watertown and Campville Substation in the Town of Harwinton. In conjunction with the development of the new 115- kV transmission line, Eversource would modify the existing Frost Bridge Substation and Campville Substation. (Refer to Volume 1 for details regarding the Proposed Route and transmission line facilities.)

The following maps are included in this volume:

 Exhibit 1: U.S. Geological Survey Maps. These topographic maps (at a scale of 1” = 2,000’) illustrate the general locations of the proposed Project facilities and variations.

 Exhibit 2: Proposed Route Maps. These aerial photography-based maps (at a scale of 1” = 400’1) identify the location of the Proposed Route along Eversource’s existing ROW; depict existing and proposed transmission line structures; and illustrate environmental, social, and land use features (e.g., town boundaries, zoning, water resources, vegetative cover types, forests, parks, other recreational areas, historic areas, and settled areas). Each aerial map is accompanied by explanatory data (on the page facing the map) that summarizes the primary environmental and land use characteristics of the ROW and surrounding region within the map viewing area. The page facing the map also includes a cross-section illustrating the configuration of the existing and proposed transmission lines within the ROW, as applicable to the map segment. (Note: Cross-section drawings also are included in Volume 1, Section 3, Appendix 3A and Volume 10.)

1Aerial photographs were derived from 2012 aerial imagery; environmental and land use features are mapped based on 2010 Geographical Information System data obtained from federal and state agencies (such as the Connecticut Department of Energy and Environmental Protection (CT DEEP) and the Federal Emergency Management Agency (FEMA), as well as the results of environmental and engineering field surveys and ROW / transmission lines locational information from Eversource. Note: This page intentionally left blank

Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

APPENDIX 1A: OVERVIEW OF ROUTE ON USGS MAPS

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

United States Geological Survey Topographic Map Symbols

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

United States Geological Survey Topographic Map Symbols (continued)

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

APPENDIX 1B: PROPOSED ROUTE AERIAL MAPS – 400 SCALE

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Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

INDEX

FROST BRIDGE TO CAMPVILLE 115-kV PROJECT PROPOSED ROUTE

Proposed Structure Numbers Mapsheet Town(s) (1304 Line) 1 of 9 Watertown Frost Bridge Substation to 9 2 of 9 Watertown 10 to 21 3 of 9 Watertown 22 to 35 4 of 9 Watertown, Thomaston 36 to 46 5 of 9 Thomaston 47 to 59 6 of 9 Thomaston 59 to 70 7 of 9 Thomaston, Litchfield 71 to 81 8 of 9 Litchfield, Harwinton 82 to 88 9 of 9 Harwinton 90 to Campville Substation Note: This page intentionally left blank

Connecticut Siting Council – Municipal Consultation Filing Frost Bridge to Campville 115-kV Project

Morris

Litchfield

Watertown 4 Walnut Hill Junction /" 3 /" 5 6 Purgatory 7 8 /" Junction 9 Campville Thomaston Substation 2

Harwinton

Frost Bridge Substation

Plymouth

Waterbury

INDEX MAP 4 Newtown Washington /" Roxbury Substation Goshen Frost Bridge to Campville Morris Southbury Bethlehem Woodbury Litchfield /" Junction Winchester 115-kV Project Torrington

Middlebury Watertown Proposed 115-kV Line (Centerline) Oxford

Thomaston Harwinton Barkhamsted

Naugatuck New Beacon Waterbury Plymouth Hartford Falls 1 inch = 0.75 mile Index Map

Massachusetts Burlington Bethany Prospect Wolcott Connecticut Miles Bristol Canton 0 0.7 1.4 2.1 2.8 3.5 September 2015 Hamden Cheshire Southington Avon Farmington Plainville Simsbury G:\GIS\CT\EversourceEnergy\N0915\N0915_43_FrostBridgetoCampville\MapDocuments\Constructability\400Scale_Constructability\FrostBridgeCampville_400ScaleOverview_20150713.mxd MAPSHEET 1 of 9 Frost Bridge to Campville 115-kV Project Proposed Route Frost Bridge Substation to Proposed Structure 9 Frost Bridge Road to West of Echo Lake Road Town of Watertown, CT

RIGHT-OF-WAY DESCRIPTION Land Use  Commercial/Industrial (Frost Bridge Substation) east of proposed structure 1E  Eversource property at Frost Bridge Substation and adjacent to proposed structures 1E to 4  Recreation (CPFA Jericho-Whitestone Connector Trail) between proposed structures 1E and 1F and between proposed structures 4 and 5 (Jericho Trail)  CT DEEP Property/Open Space (Mattatuck State Forest) between proposed structures 4 and 9

Wetlands, Watercourses and Waterbodies  Wetland Nos.: W-FB1, W-FB2, W-FB3, W-FB4, W-FB5, W-FB6, W- A1, W-A2, W-A3, W-A4, W-A5, W-A6, W-A7, W-A8, W-A10  Wetland Cover Types: Palustrine Emergent (PEM), Palustrine Scrub/Shrub (PSS), Palustrine Forested (PFO)  Stream Nos.: S-FB1, S-FB2, S-FB3, S-A1, S-A3, S-A4, S-A5 (Turkey Brook), S-A6, S-A7

Potential Access  Frost Bridge Substation can be accessed from Frost Bridge Road  Proposed structures 1E to 2 can be accessed from Echo Lake Road  Proposed structures 3 to 9 can be accessed from existing Mattatuck State Forest access roads originating at Echo Lake Road and entering CROSS-SECTION 1 (XS-1) VIEW LOOKING WEST FROM FROST BRIDGE TOWARDS CAMPVILLE SUBSTATION the ROW between proposed structures 4 and 5 Note: XS-1 applies to Proposed Structures 1 to 3, Refer to XS-2 on Mapsheet 2 for depiction of Proposed Route from Proposed Structures 4 to 9. Right-of-Way Vegetation

 Upland and Wetland Forest

 Old Field/Shrub Land AREA DESCRIPTION Terrain Existing Land Use Natural Systems  Rocky upland with precipitous outcrops  Forested  Mixed hardwood forests of varying size and age  Connecticut Department of Energy and Environmental Protection (CT  State/Federal jurisdictional wetlands and watercourses Existing Right-of-Way Width / Proposed Expansion of Right-of-Way DEEP) Property/Open Space (Mattatuck State Forest)  Turkey Brook and its associated tributaries Width  CT DEEP Hunting Areas (Mattatuck State Forest)  Naugatuck River and its associated tributaries  400 feet/ 0 feet  Commercial/Industrial (Frost Bridge Substation)  100-Year Flood Zone (Naugatuck River)  Recreational (Connecticut Forest and Park Association (CFPA) Hiking Existing Cleared /Maintained Right-of-Way Width / Proposed Trails – Jericho Trail, Jericho-Whitestone Connector) Visual Character Additional Cleared Right-of-Way Width  Prominent ridges with exposed rock outcrops along the  400 feet / varies Naugatuck River Valley Zoning Road Crossings / Major Utility Crossings  Town of Watertown  James H. Darcey Memorial Highway (Route 8) between Frost Bridge o Residential (R-90) Substation and proposed structure 1E

o Restricted Industrial (I-R 80, I-R 200)  Frost Bridge Road (Route 262) between Frost Bridge Substation and o General Industrial (I-G 80) proposed structure 1E  Echo Lake Road between proposed structures 1E and 1F Jerocho-Whitestone Thomaston Connector Trail

I R-200 Mattatuck PFO State Forest MATCH LINEUF SHEET 2 UF PFO (Hunting Area) Watertown

S-A6 ¬8 R-90 « 9 PSS W-A9 W-A8 S-A7 S-A5 PSS W-A9 UF W-A10 W-A8 8 352 Line

I R-200 UF 7 1191 Line R-90 3 T OF/S 7 I PFO X UF E RIVER BRG AUG 1238 Line PSS N PFO W-A7 6 262 W-A5 «¬ D PFO R S-A4 Y

W-A6 R 5 W-A4 S-FB3 U W-FB6 B R I R-80 W-FB5 E UF T 4 A S-FB2 W 1F PFO 3 2 1E PFO W-MSF2 CL&P dba Eversource Energy W-A1 UF Owned Property S-A1 OF/S D 1D

S-A3 OT R I G-80 S-A2 E PSS W-A3 DG Jericho Trail W-MSF1 OF/S I CI R B W-FB3 W-A2 I G-80 329 Line W-MSF3 T OT S W-FB4 O Naugatuck R UF F CI River 1C

UF PSS 1B

Y 1A I G-80 W H OF/S

A PFO I S-FB1 R O UF M W-FB1 E W-FB2

M 1163/1550 Line Y

C Rails) (ConnDOT Company Railroad Naugatuck R CL&P dba A Eversource Energy Mattatuck D Owned Property State Forest H

S (Hunting Area)

E 1721/1445 Line 1721/1445

ECHO LAKE RD Line 1990

INDEX MAP )" Existing Structure .! National Register Listed Historic Site Aquifer Protection Area (APA) Eversource Owned Property Old Field-Shrub Land (OF/S) 6" Proposed Structure National Register Listed Historic Place Approximate FEMA 100-Year Flood Zone Municipal Boundary Upland Forest (UF) Harwinton Burlington Litchfield Right-of-Way (Existing) Federal Property Land Use/Vegetative Cover Commercial/Industrial (CI) Frost Bridge to Campville !F Trail Points Existing Transmission Line (Centerline) Park Municipal/Private Park or Open Space Emergent Wetland (PEM) Agricultural Lands (AG) Morris 4 Proposed 115-kV Line (Centerline) Wildlife Area or Santuary Wetland Boundary Forested Wetland (PFO) House/Yard (HY) 115-kV Project Bristol Thomaston Existing Access Road State Forest Watercourse Scrub-Shrub Wetland (PSS) Other (OT) Plymouth Marked Trail State Park Connecticut Wetlands Only Open Water (POW) Proposed Substation Expansion

Bethlehem Natural Diversity Database Parcel Boundary Watertown, Connecticut Watertown 1 inch = 400 feet Massachusetts Connecticut Area (December 2014) Wolcott IG-80 Zoning Designation Feet September 2015 Community Facilities Mapsheet 1 of 9 Woodbury Waterbury l %2 0 400 800 G:\GIS\CT\EversourceEnergy\N0915\N0915_43_FrostBridgetoCampville\MapDocuments\Constructability\400Scale_Constructability\FrostBridgeCampville_400ScaleConstructability2015Data_20150611.mxd MAPSHEET 2 of 9 Frost Bridge to Campville 115-kV Project Proposed Route Proposed Structure Locations 10 to 21 East of Park Road to Nova Scotia Hill Road Town of Watertown, CT

RIGHT-OF-WAY DESCRIPTION

Land Use  Residential adjacent to proposed structures 14 and 21  Commercial/Industrial adjacent to proposed structures 15 and 16  Town and Private Open Space (Veteran’s Memorial Park) between and adjacent to proposed structures 3097 to 3100  Eversource property adjacent to Structure 3100

Wetlands, Watercourses and Waterbodies  Wetland Nos.: W-A9, W-A11, W-A12, W-B1, W-B2, W-B3, W-B4, W- B5, W-B6, W-B7, W-B8, W-B9  Wetland Cover Types: Palustrine Open Water (POW), PEM, PSS, PFO  Stream Nos.: S-A6, S-A7

Potential Access  Proposed structures 10 to 20 can be accessed from Park Road  Proposed structure 21 can be accessed from Nova Scotia Hill Road CROSS-SECTION 2 (XS-2) VIEW LOOKING WEST FROM FROST BRIDGE TOWARDS CAMPVILLE SUBSTATION Right-of-Way Vegetation  Old Field/Shrub Land  Upland and Wetland Forest AREA DESCRIPTION  Agricultural

Existing Land Use Natural Systems Terrain  Forest  Mixed hardwood forests of varying size and age  Level with sloped areas at wetland/upland transitions  Agricultural  State/Federal jurisdictional wetlands and watercourses  Commercial/Industrial  Jericho Brook Pond and its associated tributaries Existing Right-of-Way Width/ Proposed Expansion of Right-of-Way  Residential  Jericho Brook and its associated tributaries Width  Town and Private Open Space (Veteran’s Memorial Park)  400 feet / 0 feet  Recreational (Veteran’s Memorial Park) Visual Character  CT DEEP Property/Open Space (Mattatuck State Forest)  Rural with rolling agricultural fields and forest land Road Crossings / Major Utility Crossings  CT DEEP Hunting Area (Mattatuck State Forest)  Park Road between proposed structures 14 and 15  Seemar Road adjacent to proposed structure 15 Zoning  Nova Scotia Hill Road between proposed structures 21 and 22 (Mapsheet 3)  Town of Watertown o Restricted Industrial (I-R 200) o Residential (R-30, R-90) C

M Mattatuck

N State Forest

Y RD (Hunting Area) R-90 HO R RIC MATCH LINE SHEET 3 JE

D Jericho Brook POW P

UF A

OF/S R

352 Line 352 K

24 OT

PFO R

Junction HY D

S-B3 W-B11 HY

Purgatory Purgatory OF/S

PSS

S-B1

23 HY CI UF 1238 Line 1238

OF/S PFO R-90

S-B2 22 W-B9 Watertown

UF PEM

OF/S UF B-L UF

PFO

UF HY

UF W-B7 R-90 R-30 HY PSS

PFO CL&P dba OF/S Eversource Energy Owned Property PSS 20 PFO

UF W-B8 19 OF/S PFO UF PFO POW UF CI 18 W-A8 OF/S OF/S W-B6 I R-200 UF S-A6

Jericho Brook OF/S W-A9 PSS PEM PSS Pond AG S-A5 17 9 UF PSS W-A11 W-A9

PSS PSS

W-B2 HY PSS W-A8 16 PSS OT 352 Line 10 S-A7 W-A10 P Veterans W-B5 11 W-A9

E PEM

C UF K LN Memorial W-B4 15 PSS

Park Veterans PFO W-B3 13 PEM UF OT W-A9 PFO Memorial I R-200 W-B1 14 1191 Line

I R-200 UF Park D PFO OF/S R W-A12 CI R 1238 Line UF A M E OF/S OF/S E AG S CI UF OT PSS

POW MATCH LINE SHEET 1 SHEET LINE MATCH

W IN D SL

R O W L D L R I

C S Rainbowland CALLENDER RD A V Nursery O School LLC N

Bethlehem Natural Diversity Database Parcel Boundary Watertown, Connecticut Watertown 1 inch = 400 feet Massachusetts Connecticut Area (December 2014) Wolcott IG-80 Zoning Designation Feet September 2015 Community Facilities Mapsheet 2 of 9 Woodbury Waterbury l %2 0 400 800 G:\GIS\CT\EversourceEnergy\N0915\N0915_43_FrostBridgetoCampville\MapDocuments\Constructability\400Scale_Constructability\FrostBridgeCampville_400ScaleConstructability2015Data_20150611.mxd MAPSHEET 3 of 9 Frost Bridge to Campville 115-kV Project Proposed Route Proposed Structure Locations 22 to 35 Nova Scotia Hill Road to North of Thomaston Road (Route 6) Town of Watertown, CT

RIGHT-OF-WAY DESCRIPTION

Land Use  Commercial/Industrial adjacent to proposed structures 22 and 23 (greenhouses)  Upland and/or wetland forest adjacent to proposed structures 26 to 35  CT DEEP Property/Open Space (Black Rock State Park) between and adjacent to structures 32 and 35  Residential adjacent to proposed structure 27

Wetlands, Watercourses and Waterbodies  Wetland Nos.: W-B-11, W-C1, W-C2, W-C3, W-C4, W-C5, W-C6, W- C7, W-C8, W-C10, W-C12, W-C14, W-C15, W-C16  Wetland Cover Types: POW, PSS, PFO  Stream Nos.: S-B1, S-B2, S-B3, S-C1, S-C3, S-C4, S-C5

Potential Access  Proposed structures 22 and 23 can be accessed from Nova Scotia Hill Road  Proposed structures 24 to 35 can be accessed from High Meadow Road (west of Purgatory Junction)

CROSS-SECTION 3 (XS-3) VIEW LOOKING NORTH FROM FROST BRIDGE TOWARDS CAMPVILLE SUBSTATION Right-of-Way Vegetation Note: XS-3 (depicted) applies to Proposed Route from Proposed Structures 26 to 35. Refer to XS-2 on Mapsheet 2 for depiction of Proposed Route from Proposed Structures 22 to 25.  Old Field/Shrub Land  Upland and Wetland Forest

AREA DESCRIPTION Terrain  Irregular bedrock-controlled topography with common rock Natural Systems outcroppings Existing Land Use  Mixed hardwood forests of varying size and age  CT DEEP Property/Open Space (Black Rock State Park)  State/Federal jurisdictional wetlands and watercourses Existing Right-of-Way Width / Proposed Expansion of Right-of-Way  Forested  Lockwood Pond and its associate tributaries Width  Town and Private Open Space (Crestbrook Park and Golf Club)  Hannon Pond and its associated tributaries  400 feet / 0 feet (south of Purgatory Junction)  Recreational (Crestbrook Park and Golf Club)  Natural Diversity Database Area  250 feet / 0 feet (north of Purgatory Junction)  Residential

 Commercial/Industrial Existing Cleared/ Maintained Right-of-Way Width / Proposed Visual Character  Forest land, residential Additional Cleared Right-of-Way Width Zoning   Irregular bedrock-controlled topography within Black 400 feet / 0 feet (south of Purgatory Junction)  Town of Watertown  Rock State Park 90 feet / 45 feet (north of Purgatory Junction ) o Residential (R-30, R-70, R-90) o Business (B-L) Road Crossings / Major Utility Crossings  Thomaston Road (Route 6) between proposed structures 23 and 24  Eversource 1238 & 352 Transmission Lines (Purgatory Junction) adjacent to proposed structure 25 Connecticut Lockwood Natural Diversity Pond Data Base Area

HIGH MEADOW RD

W-C1A O

L W-C1A D

Crestbrook Park & Golf Club

W-C2A

W-C2A CL&P dba Eversource Energy Owned Property PFO Purgatory HY HY UF Black Rock Junction R-70 OT State Park PSS W-C3 OF/S PFO UF 25 26 PFO 28 W-C6 24 OF/S CI W-C1 S-C1 27 W-C16 B-L 1238 Line OT PFO W-C4 1191 Line PFO UF S-B3 OT 29 OF/S PSS PFO MATCH LINE MATCH SHEET 2 OF/S S-C2 30 W-C14 W-C2 UF W-C7 31 33 OF/S PFO S-B2 W-C8 32 W-C12 UF OF/S W-B11 W-C10 S-C3 UF OT S-C5 PSS POW R-30 352 Line HY 34 POW 6 UF 35 PFO OF/S £ UF ¤ T Hannon Pond UF S-B1 HO R-90 PFO W-C15 W-C15 36 MA S-C4 OF/S ST 23 ON HARD RO UF R-90 RD CK RD PFO

CI UF Jericho Brook Brook Jericho

Energy Owned Property Owned Energy 22 Pond N PEM O

Eversource S CL&P dba CL&P C O UF T PFO IA H HY IL L

POW D UF

POW OF/S 21

W-B9 UF OF/SW-B8 PEM Watertown HY PSS

D W-B7 R C MATCH LINE SHEET 4 PSS O H UF H IM C N Connecticut

I E R-90 Y R R Natural Diversity PEM E D J Data Base Area

B ID W E L L H IL L R

D INDEX MAP )" Existing Structure .! National Register Listed Historic Site Aquifer Protection Area (APA) Eversource Owned Property Old Field-Shrub Land (OF/S) 4 6" Proposed Structure National Register Listed Historic Place Approximate FEMA 100-Year Flood Zone Municipal Boundary Upland Forest (UF) Harwinton Burlington Litchfield Right-of-Way (Existing) Federal Property Land Use/Vegetative Cover Commercial/Industrial (CI) Frost Bridge to Campville !F Trail Points Existing Transmission Line (Centerline) Park Municipal/Private Park or Open Space Emergent Wetland (PEM) Agricultural Lands (AG) Morris Proposed 115-kV Line (Centerline) Wildlife Area or Santuary Wetland Boundary Forested Wetland (PFO) House/Yard (HY) 115-kV Project Bristol Thomaston Existing Access Road State Forest Watercourse Scrub-Shrub Wetland (PSS) Other (OT) Plymouth Marked Trail State Park Connecticut Wetlands Only Open Water (POW) Proposed Substation Expansion

Bethlehem Natural Diversity Database Parcel Boundary Watertown, Connecticut Watertown 1 inch = 400 feet Massachusetts Connecticut Area (December 2014) Wolcott IG-80 Zoning Designation Feet September 2015 Community Facilities Mapsheet 3 of 9 Woodbury Waterbury l %2 0 400 800 G:\GIS\CT\EversourceEnergy\N0915\N0915_43_FrostBridgetoCampville\MapDocuments\Constructability\400Scale_Constructability\FrostBridgeCampville_400ScaleConstructability2015Data_20150611.mxd MAPSHEET 4 of 9 Frost Bridge to Campville 115-kV Project Proposed Route Proposed Structure Locations 36 to 46 North of Thomaston Road (Route 6) to Old Branch Road Towns of Watertown and Thomaston, CT

RIGHT-OF-WAY DESCRIPTION

Land Use  Upland and/or wetland forest adjacent to proposed structures 36 to 46  CT DEEP Property/Open Space (Black Rock State Park) between and adjacent to proposed structures 36 to 46  Recreational (CFPA Mattatuck Trail and Black Rock State Park Red Loop) between proposed structures 43 and 45  Branch Brook Reservoir Dam north of proposed structure 46

Wetlands, Watercourses and Waterbodies  Wetland Nos.: W-C15, W-C18, W-C20, W-C21, W-C23  Wetland Cover Types: POW, PSS, PFO  Stream Nos.: S-C6, S-C7, S-C8 (Branch Brook), S-C9

Potential Access  Proposed structures 36 and 46 can be accessed from High Meadow Road (west of Purgatory Junction)

Right-of-Way Vegetation  Old Field/Shrub Land CROSS-SECTION 3 (XS-3) VIEW LOOKING NORTH FROM FROST BRIDGE TOWARDS CAMPVILLE SUBSTATION  Upland and Wetland Forest

AREA DESCRIPTION Terrain  Steep irregular bedrock-controlled topography and common rock Existing Land Use Natural Systems outcroppings  CT DEEP Property/Open Space (Black Rock State Park)  Mixed hardwood forests of varying size and age   Forested State/Federal jurisdictional wetlands and watercourses Existing Right-of-Way Width / Proposed Expansion of Right-of-Way

 Town and Private Open Space (Crestbrook Park and Golf Club)  Lockwood Pond and its associated tributaries Width   Recreational (CFPA Hiking Trail – Mattatuck Trail, Black Rock State Black Rock Pond and its associate tributaries  250 feet / 0 feet Park Trail – Red Loop, and unblazed Black Rock State Park recreational  Branch Brook and its associated tributaries trails  100-Year Flood Zone (Branch Brook) Existing Cleared/ Maintained Right-of-Way Width / Proposed  Branch Brook Reservoir (Black Rock) Dam  Natural Diversity Data Base Area Additional Cleared Right-of-Way Width  Residential  90 feet / 45 feet  Commercial/Industrial Visual Character

 Forest land with irregular bedrock-controlled topography and Zoning common rock outcroppings Road Crossings / Major Utility Crossings   Town of Watertown Old Branch Road north of proposed structure 46 o Residential (R-90)  Town of Thomaston o Residential (RA-15, RA-40) B L A C K

R O C K

R D

Crestbrook Park & Golf Club

Black Rock State Park

Thomaston

Watertown Lockwood Pond Black Rock

State Park MATCH SHEET 5 LINE

UF PFO Black Rock PSS Dam OF/S 39 PFO W-C20 40 41 PFO OT S-C6 42 UF PFO

MATCH SHEET 3 LINE 43 UF UF W-C21 44 DBRAN O L CH W-C18 38 R S-C7 45 D 46 W-C23 S-C9

1191 Line OF/S

S-C8 47 Black Rock 37 OT 48 State Park R-90 OF/S OF/S UF

UF 36 HY R-90 CI PSS Mattatuck PFO UF W-C15 Trail 35 PSS Black Rock PFO Branch S-C5 State Park Trail Brook (Red Loop)

UF Connecticut Connecticut Natural Diversity Natural Diversity Data Base Area Data Base Area

Connecticut Natural Diversity Data Base Area

Black Rock Pond

INDEX MAP )" Existing Structure .! National Register Listed Historic Site Aquifer Protection Area (APA) Eversource Owned Property Old Field-Shrub Land (OF/S) 4 6" Proposed Structure National Register Listed Historic Place Approximate FEMA 100-Year Flood Zone Municipal Boundary Upland Forest (UF) Harwinton Burlington Litchfield Right-of-Way (Existing) Federal Property Land Use/Vegetative Cover Commercial/Industrial (CI) Frost Bridge to Campville !F Trail Points Existing Transmission Line (Centerline) Park Municipal/Private Park or Open Space Emergent Wetland (PEM) Agricultural Lands (AG) Morris Proposed 115-kV Line (Centerline) Wildlife Area or Santuary Wetland Boundary Forested Wetland (PFO) House/Yard (HY) 115-kV Project Bristol Thomaston Existing Access Road State Forest Watercourse Scrub-Shrub Wetland (PSS) Other (OT) Plymouth Marked Trail State Park Connecticut Wetlands Only Open Water (POW) Proposed Substation Expansion

Bethlehem Natural Diversity Database Parcel Boundary Watertown/Thomaston, Connecticut Watertown 1 inch = 400 feet Massachusetts Connecticut Area (December 2014) Wolcott IG-80 Zoning Designation Feet September 2015 Community Facilities Mapsheet 4 of 9 Woodbury Waterbury l %2 0 400 800 G:\GIS\CT\EversourceEnergy\N0915\N0915_43_FrostBridgetoCampville\MapDocuments\Constructability\400Scale_Constructability\FrostBridgeCampville_400ScaleConstructability2015Data_20150611.mxd MAPSHEET 5 of 9 Frost Bridge to Campville 115-kV Project Proposed Route Proposed Structure Locations 47 to 59 Branch Road (Route 109) to North of Branch Road (Route 109) Town of Thomaston, CT

RIGHT-OF-WAY DESCRIPTION

Land Use  Upland and/or wetland forest adjacent to proposed structures 47 to 59  CT DEEP Property/Open Space (Mattatuck State Forest, Black Rock State Park) between and adjacent to proposed structures 47 to 50  CT DEEP Hunting Area (Mattatuck State Forest) between and adjacent to proposed structures 48 to 50  Eversource Property between proposed structures 52 to 54  Maintained fields adjacent to proposed structure 56 (shooting range)  Town and Private Open Space (Thomaston Fish and Game Club) between and adjacent to structures 55 to 57  Agricultural between and adjacent to proposed structures 58 to 59

Wetlands, Watercourses and Waterbodies  Wetland Nos.: W-D1, W-D2, W-D3, W-D4, W-D5, W-D6, W- D15  Wetland Cover Types: POW, PEM, PSS, PFO  Stream Nos.: S-D1, S-D2, S-D3 CROSS-SECTION 3 (XS-3) VIEW LOOKING NORTH FROM FROST BRIDGE TOWARDS CAMPVILLE SUBSTATION Potential Access  Proposed structures 3128 can be accessed by Branch Road (Route 109) AREA DESCRIPTION  Proposed structures 3129 to 3141 can be accessed from Old Northfield Road Existing Land Use Natural Systems  CT DEEP Property/Open Space (Mattatuck State Forest, Black Rock  Mixed hardwood forests of varying size and age Right-of-Way Vegetation State Park)  State/Federal jurisdictional wetlands and watercourses  Old Field/Shrub Land  CT DEEP Hunting Area (Mattatuck State Forest)  Morton Pond and its associated tributaries  Upland and Wetland Forest  Forested  Natural Diversity Data Base Area  Agricultural  Town and Private Open Space (Dug Road, Thomaston Fish and Game Club) Visual Character Terrain   Agricultural  Forest land and rocky with prominent outcrops Irregular with rock outcrops

Zoning Existing Right-of-Way Width / Proposed Expansion of Right-of-Way  Town of Thomaston Width o Residential (RA-15, RA-40)  250 feet / 0 feet

Existing Cleared/ Maintained Right-of-Way Width / Proposed Additional Cleared Right-of-Way Width  90 feet / 45 feet

Road Crossings / Major Utility Crossings  Branch Road (Route 9) between proposed structures 47 and 48 Black Rock Mattatuck State State Park Forest (Hunting Area) D IELD R ORTHF BRANCH RD OLD N «¬109

Mattatuck State Forest (Hunting Area) HY Morton Pond Black Rock Thomaston Fish Dam MATCH4 SHEET LINE & Game Club AG OT OF/S W-D7 UF S-D5 W-D6 59 MATCH SHEET 6 LINE W-D8 58 UF OF/S PFO OT W-D5 57 POW W-C23 UF 56 W-D15 CL&P dba 55 OT PSS PEM Eversource Energy PSS UF UF S-C9 OF/S Owned Property 54 OF/S OF/S OF/S 1191 Line W-D4 W-D2 53 RA-40 S-C8 47 52 PFO 48 51 PSS OF/S OT OF/S 49 UF UF 50 S-D3 OF/S PFO W-D1 S-D2 W-D3 W-D3 O S-D1 PFO Thomaston UF L D Fish HY & Game Club CI B PEM R RA-40 A N C H R D Thomaston Fish Branch Town of Thomaston & Game Club Brook Open Space (Dug Road)

Connecticut Natural Diversity Data Base Area Town of Thomaston Open Space Thomaston (Dug Road)

Town Open Space (Dug Road)

Litchfield Right-of-Way (Existing) Federal Property Land Use/Vegetative Cover Commercial/Industrial (CI) Trail Points Frost Bridge to Campville Black Rock Elementary !F Existing Transmission Line (Centerline) Park Municipal/Private Park or Open Space Emergent Wetland (PEM) Agricultural Lands (AG) Morris Proposed 115-kV Line (Centerline) Wildlife Area or Santuary Wetland Boundary Forested Wetland (PFO) House/Yard (HY) 115-kV Project & Thomaston Bristol High Schools Thomaston Existing Access Road State Forest Watercourse Scrub-Shrub Wetland (PSS) Other (OT) Plymouth Marked Trail State Park Connecticut Wetlands Only Open Water (POW) Proposed Substation Expansion

Bethlehem Natural Diversity Database Parcel Boundary Thomaston, Connecticut Watertown 1 inch = 400 feet Massachusetts Connecticut Area (December 2014) Wolcott IG-80 Zoning Designation Feet September 2015 Community Facilities Mapsheet 5 of 9 Woodbury Waterbury l %2 0 400 800 G:\GIS\CT\EversourceEnergy\N0915\N0915_43_FrostBridgetoCampville\MapDocuments\Constructability\400Scale_Constructability\FrostBridgeCampville_400ScaleConstructability2015Data_20150611.mxd