OCTOBER 24, 2013
HISTORIC PRESERVATION REVIEW BOARD MASTER PLAN
STRUCTURAL ENGINEER ROBERT SILMAN ASSOCIATES
DEVELOPMENT TEAM TRAMMELL CROW COMPANY JAIR LYNCH DEVELOPMENT PARTNERS EYA
HISTORIC PRESERVATION CONSULTANT
ANNE CORBETT
PROJECT DIRECTOR
SHALOM BARANES ASSOCIATES MV+A/DAVID JAMESON LESSARD DESIGN EHT TRACERIES, INC.
BUILDING ARCHITECTS
HOLLAND & KNIGHT
LAND USE COUNSEL
SYMMETRA DESIGN
NELSON BYRD WOLTZ
LANDSCAPE ARCHITECT
EE&K, A PERKINS EASTMAN COMPANY
MASTER PLAN ARCHITECT
BOWMAN CONSULTING
DISTRICT OF COLUMBIA
TRAFFIC CONSULTANT
CIVIL ENGINEER
OWNER
2
Existing Site Morphology
DETAIL – UNDERGROUND FILTER BED STRUCTURE
OCTOBER 24, 2013
2
1
UNDERGROUND FILTER BED STRUCTURE
4
3
BERMS
“PLINTH” COVERING UNDERGROUND FILTER BEDS
McMillan
McMillan
6
5
ABOVE-GROUND STRUCTURES
SERVICE COURTS & PERIMETER WALK
OCTOBER 24, 2013
3
Existing Site Morphology
4
Master Plan
OCTOBER 24, 2013
4 North Service Court
3 Architectural Cohesion
Olmsted Walk
Berm
2 Edge Conditions
1 Clear reading of the tripartite organization of the site
Primary Updates to Masterplan:
McMillan
McMillan
SOUTH
CENTER
NORTH
OCTOBER 24, 2013
5
Tripartite Organization
Edge Condition
6
3/4 ST
PROPOSED TOPOGRAPHY
1ST ST NW
OCTOBER 24, 2013
1/4 ST
CHANNING ST NW
SOUTH SERVICE COURT
EVARTS ST NW
1/2 ST
NORTH SERVICE COURT
AN AVE
MICHIG
NORTH CAPITOL ST
A/B
PROPOSED / ADAPTED “PLINTH”
B
PROPOSED / ADAPTED BERMS
A
McMillan
OLMSTED SITE PLAN, CIRCA 1911 McMillan
OCTOBER 24, 2013
7
Edge Condtiion APPENDIX
8
Architectural Cohesion
OCTOBER 24, 2013
Color Palette
Tertiary Building Color, Highlight Colors
Fenestration, Railings, Secondary Building Color etc.
Primary Building Color
McMillan
McMillan
NORTH SERVICE COURT VIEWS
OCTOBER 24, 2013
9
North Service Court
Topography
10
EXISTING TOPOGRAPHY PHOTOS
OCTOBER 24, 2013
C
B
A
FIRST ST NW
B
EXISTING TOPOGRAPHY
A
AN AVE
MICHIG
CHANNING ST NW
SOUTH SERVICE COURT
NORTH SERVICE COURT
0'
NORTH CAPITOL ST
C
McMillan
McMillan
A
CONCEPT BUILDING MASSING
A
OCTOBER 24, 2013
11
Building Heights & Massing
12
DC Water & Preserved Historic Resources
OCTOBER 24, 2013
McMillan
PERIMETER PLANTING REMNANTS
CURVILINEAR SECTION OF PERIMETER PATH
EXISTING CONDITIONS
PERIMETER WALK, CIRCA 1946
PERIMETER WALK, CIRCA 1910
HISTORIC CONDITIONS McMillan
CORNER STAIR
PERIMETER PATH
AERIAL VIEW, CIRCA 1930
• Hawthorns
PROPOSED CONDITIONS
THORNLESS HAWTHORN
• A food source for wildlife
• A native American species
• A species with great 4-season qualities
• An urban-tolerant species
• A historically accurate plant
OCTOBER 24, 2013
The recreated/adapted Olmsted Walk will be lined by two rows of thornless Hawthorn trees. This tree is true to the Olmsted planting plan (minus the thorns). The thornless cultivar “Winter King” is:
PROPOSED OLMSTED WALK SKETCH
• Grass
• Sand or DG setting and in joints
• Steel edge
• Recycled/reclaimed concrete paving
13
Olmsted Plan & Perimeter Walk
14
Site Sections
OCTOBER 24, 2013
SITE SECTIONS
B
A
McMillan
McMillan
KEY PLAN
B
A
A
OCTOBER 24, 2013
B
15
Site Sections
16
Site Hydrology
OCTOBER 24, 2013
WATERSHED DIAGRAM
MCMILLAN SITE
RESERVOIR
SPRING/WELL
DALECARLIA RESERVOIR
POTOMAC RIVER
GEORGETOWN RESERVOIR
ROCK CREEK MCMILLAN RESERVOIR
HISTORIC HYDROLOGY CIRCA 1859
McMillan
5
LP + 156
McMillan
TOPOGRAPHY DIAGRAM: PRE-DEVELOPMENT
16
165
HP
+169
+170
TOPOGRAPHY DIAGRAM: EXISTING
165
+170
+170
165
+150
+156
+167
+173
OCTOBER 24, 2013
17
Site Hydrology & Topography
18
Water
OCTOBER 24, 2013
PRECEDENTS
PADDINGTON RESERVOIR PARK, AUSTRALIA
SPLASH POOLS & RAIN GARDENS
PARC DE CLOT, BARCELONA
McMillan
PARK SCHEMATIC DIAGRAM McMillan
OCTOBER 24, 2013
19
Park Design
20
Community Center
OCTOBER 24, 2013
DETAIL SITE SECTIONS AT PARK
B
A A
KEY PLAN
A
McMillan
B
B
PARK CONCEPT PERSPECTIVE McMillan
OCTOBER 24, 2013
21
Park Design