LOI Exhibit C - Conceptual Plan of Exchange of Rights in Land at or Near the... — File 207949

265+00.00 266+00.00 267+00.00 265+00.00 266+00.00 267+00.00 J J J D D D D D D MATCHLINE - SEE SHEET RWS-S-2004 FOR CONTINUATION 0 1"=10' 10' 5' 10' SPL RETAINING WALL MW-36.4 PLAN ISSUE DATE DESCRIPTION BY CHK'D APP. SCALE: DATE: DRAWN BY DESIGN BY CHECK BY ISSUE SHEET: PLAN NO.: MBTA CONTRACT NO. E22CN07 CAMBRIDGE / SOMERVILLE / MEDFORD, MASSACHUSETTS MASSACHUSETTS BAY TRANSPORTATION AUTHORITY GREEN LINE EXTENSION PROJECT PLOTTED: 01/15/19 12:20PM BY:SKALLABN DRAWING: I:\PROJECTS\4019139\4019139_0001\90_CAD MODELS AND SHEETS\18A RETAINING WALL MW_36-4\06_S_STRUCTURAL\SHEETS\FOR SHS\18A - RWS-S-2004X.DWG [RWS-S-2094] 09/11/18 1:48PM PRELIMINARY DESIGN PACKAGE: 18A (RWS) WALL MW-36.4 - PLAN (OPTION 2) SHEET 1 OF 3   RWS-S-2004   BNS OT SR 09/07/18 AS NOTED                                                 NOT AUTHORIZED FOR CONSTRUCTION MEDFORD STREET ROW NOTES: 1. SEE SHEETS RWS-G-0501 AND RWS-S-1001 FOR GENERAL NOTES. 2. SEE SHEET ########## FOR RETAINING WALL ELEVATION. 3. SEE SHEETS RWS-S-8002 THRU RWS-S-8001 FOR SOLDIER PILE & LAGGING WALL TYPICAL SECTIONS AND DETAILS. EXHIBIT C - CONCEPTUAL PLAN OF EXCHANGE OF RIGHTS IN LAND AT OR NEAR THE SHS PARCEL SHEET 1 OF 4 CURRENT TEMPORARY EASEMENT CURRENT PERMANENT EASEMENT SUBSURFACE EASEMENT SOMERVILLE HIGH SCHOOL ENCROACHMENT ON MBTA RIGHT OF WAY MBTA ENCROACHMENT ON SOMERVILLE RIGHT OF WAY RIGHT OF WAY SOMERVILLE HIGH SCHOOL GENERATOR ENCROACHMENT ON MBTA PERMANENT EASEMENT SOMERVILLE HIGH SCHOOL WALL ENCROACHMENT ON MBTA PERMANENT EASEMENT

D D D D D SOLDIER PILE RETAINING WALL MW-36.4 FRONT FACE SOLDIER PILE WITH DRILLED SHAFT TYP ROW TEMP EASEMENT OCS FOUNDATION TYP NIP SEE DP 54 PROPOSED COMMUNITY PATH NIP, SEE DP 06 PROPOSED C NH-T1 L PROPOSED C NH-T2 L PROPOSED C MB-EB L PROPOSED C MB-WB L PERMANENT EASEMENT BEGIN RETAINING WALL MW-36.4 N: 2966397.47 E: 765474.31 OCS POLE TO BE INTEGRATED WITH WALL NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-152 GLX EPISODE 1 SOLDIER PILE WALL SOMERVILLE HIGH SCHOOL PROPOSED WALL 10 NIC 11'-5" SOMERVILLE HIGH SCHOOL WALL T2 NIC SEE NOTE 4 8'-0" TYP UNO CONNECTION TO MEDFORD STREET BRIDGE SEE DETAIL ON SHEET RWS-S-8001 SOMERVILLE HIGH SCHOOL PROPOSED BUILDING NIC SOMERVILLE HIGH SCHOOL EXISTING BUILDING NIC PROPOSED MEDFORD STREET BRIDGE ABUTMENT DP23 NIP FRONT EXISTING MEDFORD STREET BRIDGE ABUTMENT NIP SEE DP 23 PILE-MEDFORD STREET BRIDGE NIP SEE DP 23 OCS POLE TO BE INTEGRATED WITH WALL NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-150 9'-6" 9'-3" KINK POINT N: 2966475.61 E: 765334.80 KINK POINT N: 2966445.92 E: 7655391.50 KINK POINT N: 2966423.37 E: 765433.31 1 S-8001 OCS POLE TO BE INTEGRATED WITH WALL NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-154 5 SPA @ 7'-6" = 37.5' 1'-8" MW36.4-1 MW36.4-10 MW36.4-20 EXISTING TELEPHONE LINES TO BE ABANDONED EXISTING DUCT BANK TO BE ABANDONED EXISTING ELECTRIC LINE TO BE REMOVED EXISTING TELEPHONE LINE TO BE ABANDONED EXISTING TELEPHONE LINE (TO BE ABANDONED) EXISTING WATER MAIN TO REMAIN EXISTING WATER MAIN (TO REMAIN) EXISTING TELEPHONE LINE TO BE ABANDONED EXISTING TELEPHONE LINE (TO BE ABANDONED) EXISTING WATER MAIN TO BE REMOVED 1'-7" 1'-11" PROPOSED DRAINAGE NIP SEE DP11 PROPOSED DRAINAGE NIP SEE DP 11 PROPOSED SIGN NIP SEE DP 06 9'-2" 9'-4" 7'-6" 7'-6" 7'-6" 7'-6" 7'-6" 7'-6" 7'-6" 8'-9 7/8" 8'-6" 8'-6" 8'-6" 6'-6" PERMANENT GROUND ANCHOR TYP 0 1"=10' 10' 5' 10' RETAINING WALL MW-36.4 PLAN ISSUE DATE DESCRIPTION BY CHK'D APP. SCALE: DATE: DRAWN BY DESIGN BY CHECK BY ISSUE SHEET: PLAN NO.: MBTA CONTRACT NO. E22CN07 CAMBRIDGE / SOMERVILLE / MEDFORD, MASSACHUSETTS MASSACHUSETTS BAY TRANSPORTATION AUTHORITY GREEN LINE EXTENSION PROJECT PLOTTED: 01/01/19 8:29PM BY:NICHOLDJ DRAWING: I:\PROJECTS\4019139\4019139_0001\90_CAD MODELS AND SHEETS\18A RETAINING WALL MW_36-4\06_S_STRUCTURAL\SHEETS\RWS-S-2001.DWG [RWS-S-2001] 12/30/18 6:53PM PRE-RELEASED FOR CONSTRUCTION DESIGN PACKAGE: 18A (RWS) WALL MW-36.4 PLAN SHEET 1 OF 3   RWS-S-2001   OT DJN DJN 1-10-2019 1" = 10'                                                 NOT AUTHORIZED FOR CONSTRUCTION MEDFORD STREET BRIDGE NOTES: 1. SEE SHEETS RWS-G-0501 AND RWS-S-1001 FOR GENERAL NOTES. 2. SEE SHEET RWS-S-3001 FOR RETAINING WALL ELEVATION. 3. SEE SHEETS RWS-S-8001 THRU RWS-S-8003 FOR SOLDIER PILE & LAGGING WALL TYPICAL SECTIONS AND DETAILS. 4. SOMERVILLE HIGH SCHOOL TEMPORARY WALL 2 TO BE REMOVED BY SOMERVILLE HIGH SCHOOL PRIOR TO START OF WALL MW-36.4 CONSTRUCTION. 5. COORDINATE WALL MW-36.4 CONSTRUCTION WITH SOMERVILLE HIGH SCHOOL CONSTRUCTION. 6. ALL OFFSETS SHOWN TO FRONT FACE OF PRECAST PANEL. 7. LOCATE DRILLED SHAFTS INSTALLED AS PART OF GLX EPISODE 1 SOLDIER PILE WALL PRIOR TO INSTALLING PERMANENT ANCHORS. ADJUST ANCHOR ANGLE UP TO 5 DEGREES LATERALLY TO AVOID DRILLED SHAFTS. 8. COORDINATE OCS POLE LOCATIONS AND DETAILS WITH DP 54. 9. FOR PROPOSED CONTOURS AND FINAL GRADING SEE DP 06. A S-4001 C S-4002 B S-4001 MATCHLINE - SEE SHEET RWS-S-2005 FOR CONTINUATION EXHIBIT C - CONCEPTUAL PLAN OF EXCHANGE OF RIGHTS IN LAND AT OR NEAR THE SHS PARCEL SHEET 2 OF 4 SOMERVILLE HIGH SCHOOL WALL ENCROACHMENT ON MBTA PERMANENT EASEMENT SOMERVILLE HIGH SCHOOL TEMPORARY ACCESS ROAD FROM MEDFORD STREET ENCROACHMENT ON MBTA ROW CURRENT TEMPORARY EASEMENT CURRENT PERMANENT EASEMENT SUBSURFACE EASEMENT SOMERVILLE HIGH SCHOOL ENCROACHMENT ON MBTA RIGHT OF WAY MBTA ENCROACHMENT ON SOMERVILLE RIGHT OF WAY RIGHT OF WAY ADDITIONAL SOMERVILLE HIGH SCHOOL TEMPORARY ACCESS ROAD FROM SCHOOL STREET ENCROACHMENT ON MBTA ROW MBTA AREA OF SUBSURFACE EASEMENT FOR TIEBACKS ENCROACHMENT ON SOMERVILLE HIGH SCHOOL ROW

D D D D D D D D D D PROPOSED COMMUNITY PATH DP 06 NIP SOLDIER PILE RETAINING WALL MW-36.4 FRONT FACE SOLDIER PILE WITH DRILLED SHAFT TYP GILMAN STATION NIP SEE DP 40 PROPOSED C NH-T2 L PROPOSED C MB-EB L PROPOSED C MB-WB L PROPOSED DRAINAGE NIP SEE DP 11 OCS POLE TO BE INTEGRATED WITH WALL NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-160 FOR DEMOLITION OF ELECTRICAL SERVICE BUILDING SEE SHEET RWS-H-1201 GILMAN STATION WALKWAY NIP SEE DP 40 W S FD FD FD FD S S W D S D D D D D D FD FD FD FD OCS POLE TO BE INTEGRATED WITH WALL NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-158 10'-4" 10'-2" 10'-3" KINK POINT N: 2966536.35 E: 765226.96 KINK POINT N: 2966514.35 E: 765263.64 KINK POINT N: 2966503.36 E: 765282.38 OCS POLE TO BE INTEGRATED WITH WALL NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-156 8'-6" 7'-3" 8'-6" 8'-6" 8'-9 1/4" 9'-0" PROPOSED DRAINAGE NIP SEE DP 06 PROPOSED DRAINAGE NIP SEE DP 11 PROPOSED DRAINAGE DP 11 NIP PROPOSED DRAINAGE NIP SEE DP 11 PROPOSED DRAINAGE NIP SEE DP 06 PROPOSED DRAINAGE NIP SEE DP 11 PROPOSED DRAINAGE NIP SEE DP 11 1'-3" 2'-2" 7" 2'-3" 2'-7" MW36.4-30 MW36.4-40 MW36.4-50 EXISTING EVERSOURCE STRUCTURE TO BE REMOVED 10'-1" KINK POINT N: 2966495.41 E: 765296.84 7'-3" 9'-0" 9'-0" 9'-0 1/8" 6'-9 3/8" 7'-2 3/4" 14'-4" OUT-TO-OUT 8'-6" 8'-0" TYP -UNO 2" ROW SOMERVILLE HIGH SCHOOL PROPOSED WALL 3 NIC GILMAN STATION BICYCLE STORAGE NIP, SEE DP 40 SOMERVILLE HIGH SCHOOL WALL T1 NIC SEE NOTE 5 SOMERVILLE HIGH SCHOOL WALL T1 NIC SEE NOTE 4 SOMERVILLE HIGH SCHOOL PROPOSED DRAINAGE TYP NIC SOMERVILLE HIGH SCHOOL PROPOSED STAIRS NIC PROPOSED DRAINAGE NIP SEE DP 11 PROPOSED DRAINAGE NIP SEE DP 11 PERMANENT GROUND ANCHOR TYP OCS FOUNDATION TYP NIP, SEE DP 54 0 1"=10' 10' 5' 10' RETAINING WALL MW-36.4 PLAN PLOTTED: 01/01/19 8:31PM BY:NICHOLDJ DRAWING: I:\PROJECTS\4019139\4019139_0001\90_CAD MODELS AND SHEETS\18A RETAINING WALL MW_36-4\06_S_STRUCTURAL\SHEETS\RWS-S-2002.DWG [RWS-S-2002] 12/30/18 6:57PM PRE-RELEASED FOR CONSTRUCTION DESIGN PACKAGE: 18A (RWS) WALL MW-36.4 PLAN SHEET 2 OF 3   RWS-S-2002   OT DJN DJN 1-10-2019 1" = 10'                                                 NOT AUTHORIZED FOR CONSTRUCTION ISSUE DATE DESCRIPTION BY CHK'D APP. SCALE: DATE: DRAWN BY DESIGN BY CHECK BY ISSUE SHEET: PLAN NO.: MBTA CONTRACT NO. E22CN07 CAMBRIDGE / SOMERVILLE / MEDFORD, MASSACHUSETTS MASSACHUSETTS BAY TRANSPORTATION AUTHORITY GREEN LINE EXTENSION PROJECT NOTES: 1. SEE SHEETS RWS-G-0501 AND RWS-S-1001 FOR GENERAL NOTES. 2. SEE SHEET RWS-S-3002 FOR RETAINING WALL ELEVATION. 3. SEE SHEETS RWS-S-8001 THRU RWS-S-8003 FOR SOLDIER PILE & LAGGING WALL TYPICAL SECTIONS AND DETAILS. 4. SOMERVILLE HIGH SCHOOL TEMPORARY WALL 2 TO CONSTRUCTED BY SOMERVILLE HIGH SCHOOL AND WILL BE REMOVED BY SOMERVILLE HIGH SCHOOL PRIOR TO START OF WALL MW-36.4 CONSTRUCTION. 5. SOMERVILLE HIGH SCHOOL TEMPORARY WALL 1 TO CONSTRUCTED BY SOMEVILLE HIGH SCHOOL AND WILL BE IN PLACE DURING WALL MW-36.4 CONSTRUCTION. 6. COORDINATE WALL MW-36.4 CONSTRUCTION WITH SOMERVILLE HIGH SCHOOL CONSTRUCTION. 7. ALL OFFSETS SHOWN TO FRONT FACE OF PRECAST PANEL. 8. LOCATE DRILLED SHAFTS FOR GLX SHS TEMPORARY WALL 1 PRIOR TO INSTALLING PERMANENT ANCHORS. ADJUST ANCHOR ANGLE UP TO 5 DEGREES LATERALLY TO AVOID DRILLED SHAFTS. 9. COORDINATE OCS POLE LOCATIONS AND DETAILS WITH DP-54. 10. FOR PROPOSED CONTOURS AND FINAL GRADING SEE DP-06. D S-4002 E S-4003 F S-4003 MATCHLINE - SEE SHEET RWS-S-2006 FOR CONTINUATION MATCHLINE - SEE SHEET RWS-S-2004 FOR CONTINUATION EXHIBIT C - CONCEPTUAL PLAN OF EXCHANGE OF RIGHTS IN LAND AT OR NEAR THE SHS PARCEL SHEET 3 OF 4 SOMERVILLE HIGH SCHOOL ENCROACHMENT ON MBTA ROW CURRENT TEMPORARY EASEMENT CURRENT PERMANENT EASEMENT SUBSURFACE EASEMENT SOMERVILLE HIGH SCHOOL ENCROACHMENT ON MBTA RIGHT OF WAY MBTA ENCROACHMENT ON SOMERVILLE RIGHT OF WAY RIGHT OF WAY ADDITIONAL SOMERVILLE HIGH SCHOOL TEMPORARY ACCESS ROAD FROM SCHOOL STREET ENCROACHMENT ON MBTA ROW MBTA AREA OF SUBSURFACE EASEMENT FOR TIEBACKS ENCROACHMENT ON SOMERVILLE HIGH SCHOOL ROW

D D D D D D 10'-4" PROPOSED COMMUNITY PATH DP 06 NIP L L L W W W W S S S S S S D D D D D D FD FD FD FD FD FD FD FD FD FD FD FD W W S FD D D S FD FD FD PB 2 S-8001 9'-0" 2'-2" 1'-9" 6" 2'-3" MW36.4-60 MW36.4-70 MW36.4-80 MW36.4-90 7'-0" 7'-0" 6'-9 5/8" 7'-0" 7'-0" 7'-0" 8'-0" TYP UON L SOLDIER PILE RETAINING WALL MW-36.4 FRONT FACE SOLDIER PILE WITH DRILLED SHAFT TYP ROW TEMP EASEMENT OCS FOUNDATION TYP NIP, SEE DP 54 OCS POLE TO BE INTEGRATED WITH WALL TYP NIP, SEE DP 54 SEE RWS-S-8002 FOR CONN. DETAILS POLE 364-164 PROPOSED DRAINAGE NIP SEE DP 11 PROPOSED C NH-T2 PROPOSED C MB-EB PROPOSED C MB-WB SOMERVILLE HIGH SCHOOL PROPOSED WALL 3 NIC SOMERVILLE HIGH SCHOOL WALL T1 NIC SEE NOTE 4 SOMERVILLE HIGH SCHOOL PROPOSED DRAINAGE TYP NIC SOMERVILLE HIGH SCHOOL PROPOSED WALL 2 NIC SHLO GILMAN STREET STATION NIP, SEE DP 40 GILMAN STREET STATION NIP SEE DP 40 PROPOSED SEWER SIPHON NIP SEE DP 11 PROPOSED DRAINAGE NIP SEE DP 11 GILMAN STREET STATION NIP, SEE DP 40 OCS POLE TO BE INTEGRATED WITH WALL TYP NIP SEE DP 54 SEE RWS-S-8002 FOR CONNECTION DETAILS POLE 364-162 FOOTING - SCHOOL STREET UTILITY BRIDGE EXISTING DRAINAGE LINE TO BE ABANDONED EXISTING SEWER LINE TO BE ABANDONED EXISTING DRAINAGE LINE (TO BE ABANDONED) EXISTING SEWER AMD DRAINAGE LINES TO BE ABANDONED EXISTING ELECTRIC LINE TO BE ABANDONED EXISTING ELECTRIC LINE TO BE ABANDONED EXISTING TELEPHONE LINE TO BE ABANDONED EXISTING PTC LINE TO BE REMOVED EXISTING ELECTRIC LINE TO BE ABANDONED EXISTING ELECTRIC LINE TO BE ABANDONED PERMANENT GROUND ANCHOR TYP 0 1"=10' 10' 5' 10' RETAINING WALL MW-36.4 PLAN PLOTTED: 01/01/19 8:34PM BY:NICHOLDJ DRAWING: I:\PROJECTS\4019139\4019139_0001\90_CAD MODELS AND SHEETS\18A RETAINING WALL MW_36-4\06_S_STRUCTURAL\SHEETS\RWS-S-2003.DWG [RWS-S-2003] 01/01/19 11:12AM PRE-RELEASED FOR CONSTRUCTION DESIGN PACKAGE: 18A (RWS) WALL MW-36.4 PLAN SHEET 3 0F 3   RWS-S-2003   OT DJN DJN 1-10-2019 1" = 10'                                                 NOT AUTHORIZED FOR CONSTRUCTION SCHOOL STREET BRIDGE ISSUE DATE DESCRIPTION BY CHK'D APP. SCALE: DATE: DRAWN BY DESIGN BY CHECK BY ISSUE SHEET: PLAN NO.: MBTA CONTRACT NO. E22CN07 CAMBRIDGE / SOMERVILLE / MEDFORD, MASSACHUSETTS MASSACHUSETTS BAY TRANSPORTATION AUTHORITY GREEN LINE EXTENSION PROJECT NOTES: 1. SEE SHEETS RWS-G-0501 AND RWS-S-1001 FOR GENERAL NOTES. 2. SEE SHEET RWS-S-3003 FOR RETAINING WALL ELEVATION. 3. SEE SHEETS RWS-S-8001 THRU RWS-S-8003 FOR SOLDIER PILE & LAGGING WALL TYPICAL SECTIONS AND DETAILS. 4. SOMERVILLE HIGH SCHOOL TEMPORARY WALL 1 TO CONSTRUCTED BY SOMERVILLE HIGH SCHOOL AND WILL BE IN PLACE DURING WALL MW-36.4 CONSTRUCTION. 5. BACKFILL WALL 36.4 AFTER THE DRAINAGE FACILITIES LOCATED IN FRONT HAVE BEEN CONSTRUCTED AND BACKFILLED. 6. ALL OFFSETS SHOWN TO FRONT FACE PRECAST PANEL. 7. COORDINATE OCS POLE LOCATIONS AND DETAILS WITH DP-54. 8. FOR PROPOSED CONTOURS AND FINAL GRADING SEE DP-06. H S-4004 MATCHLINE - SEE SHEET RWS-S-2005 FOR CONTINUATION OCS POLE TO BE INTEGRATED WITH WALL NIP, SEE DP 54 SEE RWS-S-8002 FOR CONN. DETAILS POLE 364-166 CONNECTION TO SCHOOL STREET BRIDGE SEE DETAIL ON SHEET RWS-S-8001 END RETAINING WALL N: 2966759.49 E: 764861.04 G S-4004 K S-4005 PILE, SCHOOL STREET BRIDGE NIP SEE DP 24 EXHIBIT C - CONCEPTUAL PLAN OF EXCHANGE OF RIGHTS IN LAND AT OR NEAR THE SHS PARCEL SHEET 4 OF 4 SOMERVILLE HIGH SCHOOL WALL ENCROACHMENT ON MBTA ROW CURRENT TEMPORARY EASEMENT CURRENT PERMANENT EASEMENT SUBSURFACE EASEMENT SOMERVILLE HIGH SCHOOL ENCROACHMENT ON MBTA RIGHT OF WAY MBTA ENCROACHMENT ON SOMERVILLE RIGHT OF WAY RIGHT OF WAY ADDITIONAL SOMERVILLE HIGH SCHOOL TEMPORARY ACCESS ROAD FROM SCHOOL STREET ENCROACHMENT ON MBTA ROW MBTA AREA OF SUBSURFACE EASEMENT FOR TIEBACKS ENCROACHMENT ON SOMERVILLE HIGH SCHOOL ROW