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BUILDING LOCATION AND DESIGN
BUILDING LOCATION AND DESIGN
ARCHITECTURAL STYLE
BUILDING LOCATION AND DESIGN
SIGNIFICANT VIEWS
A. VIEW TO WEST DOWN CLARENDON BLVD
BUILDING LOCATION AND DESIGN
SIGNIFICANT VIEWS
B. THE NATIONAL CATHEDRAL TO THE NORTH (ABOVE 280FT SEA LEVEL)
BUILDING LOCATION AND DESIGN
SIGNIFICANT VIEWS
C. THE VIEW OF THE WASHINGTON MONUMENT
BUILDING LOCATION AND DESIGN
SIGNIFICANT VIEWS
C. THE VIEW OF THE WASHINGTON MONUMENT1. SECTION VISIBLE FROM GROUND2. PORTION OF VIEW LINE IN BLIND SPOT
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
1. ECONOMIC ACTIVITY CORRIDOR ALONGWILSON AND CLARENDON WITH PUBLIC COUNTY FACILITIES COMPRISE THE CENTER OFTHE STUDY AREA EMPLOYING OVER 15,000, INCLUDING 3 HOTELS WITH 552 ROOMS (5% OF THECOUNTY).
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
1. ECONOMIC ACTIVITY CORRIDOR ALONGWILSON AND CLARENDON WITH PUBLIC COUNTY FACILITIES COMPRISE THE CENTER OFTHE STUDY AREA EMPLOYING OVER 15,000, INCLUDING 3 HOTELS WITH 552 ROOMS (5% OF THECOUNTY).
2. LOW DENSITY RESIDENTIAL TO THE NORTH ISBUFFERED TO ECONOMIC CORRIDOR BY SMALLSCALE COMMERCIAL.
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
1. ECONOMIC ACTIVITY CORRIDOR ALONGWILSON AND CLARENDON WITH PUBLIC COUNTY FACILITIES COMPRISE THE CENTER OFTHE STUDY AREA EMPLOYING OVER 15,000, INCLUDING 3 HOTELS WITH 552 ROOMS (5% OF THECOUNTY).
2. LOW DENSITY RESIDENTIAL TO THE NORTH ISBUFFERED TO ECONOMIC CORRIDOR BY SMALLSCALE COMMERCIAL.
3. HIGH DENSITY RESIDENTIAL TO THE SOUTH BUFFERED BY STEEP TOPOGRAPHY.
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
1. ECONOMIC ACTIVITY CORRIDOR ALONGWILSON AND CLARENDON WITH PUBLIC COUNTY FACILITIES COMPRISE THE CENTER OFTHE STUDY AREA EMPLOYING OVER 15,000, INCLUDING 3 HOTELS WITH 552 ROOMS (5% OF THECOUNTY).
2. LOW DENSITY RESIDENTIAL TO THE NORTH ISBUFFERED TO ECONOMIC CORRIDOR BY SMALLSCALE COMMERCIAL.
3. HIGH DENSITY RESIDENTIAL TO THE SOUTH BUFFERED BY STEEP TOPOGRAPHY.
4. 35 RESTAURANTS/BARS AND 9 RETAIL SHOPS ARE NOT ENOUGH TO SERVE THE AREA
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
5. ACTIVE FRONTAGE CONCENTRATION IS LOW AROUND THE CENTER OF THE STUDY AREA, IN PROXIMITY TO THE METRO.
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
5. ACTIVE FRONTAGE CONCENTRATION IS LOW AROUND THE CENTER OF THE STUDY AREA, IN PROXIMITY TO THE METRO.
6. FUTURE FRONTAGE IS UNDER CONSTRUCTION BUT STILL MOSTLY IN PERIPHERY OF THE STUDY AREA
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
5. ACTIVE FRONTAGE CONCENTRATION IS LOW AROUND THE CENTER OF THE STUDY AREA, IN PROXIMITY TO THE METRO.
6. FUTURE FRONTAGE IS UNDER CONSTRUCTION BUT STILL MOSTLY IN PERIPHERY OF THE STUDY AREA
7. 35 RESTAURANT OPTIONS
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
5. ACTIVE FRONTAGE CONCENTRATION IS LOW AROUND THE CENTER OF THE STUDY AREA, IN PROXIMITY TO THE METRO.
6. FUTURE FRONTAGE IS UNDER CONSTRUCTION BUT STILL MOSTLY IN PERIPHERY OF THE STUDY AREA
7. 35 RESTAURANT OPTIONS
8. 9 RETAIL BUSINESSES
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
5. ACTIVE FRONTAGE CONCENTRATION IS LOW AROUND THE CENTER OF THE STUDY AREA, IN PROXIMITY TO THE METRO.
6. FUTURE FRONTAGE IS UNDER CONSTRUCTION BUT STILL MOSTLY IN PERIPHERY OF THE STUDY AREA
7. 35 RESTAURANT OPTIONS
8. 9 RETAIL BUSINESSES
9. 15 SERVICE BUSINESSES INCLUDING 3 GYMS
BUILDING LOCATION AND DESIGN
ECONOMIC FUNCTION, CHARACTER, AND LANDUSE
5. ACTIVE FRONTAGE CONCENTRATION IS LOW AROUND THE CENTER OF THE STUDY AREA, IN PROXIMITY TO THE METRO.
6. FUTURE FRONTAGE IS UNDER CONSTRUCTION BUT STILL MOSTLY IN PERIPHERY OF THE STUDY AREA
7. 35 RESTAURANT OPTIONS
8. 9 RETAIL BUSINESSES
9. 15 SERVICE BUSINESSES INCLUDING 3 GYMS
10. CURRENT FRONTAGE IS SATURATED
OPEN SPACE
OPEN SPACE, AND NATURAL RESOURCES
OBSERVATIONS
COURTHOUSE SQUARE HAS SEVERAL PARKS AND PUBLIC PLAZAS WITHIN A 10 MINUTE WALKING RADIUS OF METRO. THEY ARE DIVERSE IN SCALE AND IN USE. IT IS IMPORTANT TO DEVELOP A DESIGN FOR COURTHOUSE SQUARE THAT ADDS VALUE TO THE COUNTY AND THAT COMPLEMENTS EXISTING AMENITIES. WE HAVE AN OPPORTUNITY TO DEVELOP A CIVIC OPEN SPACE THAT IS MORE GRAND IN SCALE THAN ANY OTHER SPACE IN THE AREA.
OPEN SPACE, AND NATURAL RESOURCES:RECREATION AND PLAY
1. ROCKY RUN PARK: • MULTI USE FIELDS• 2 BASKETBALL/TENNIS COURTS• PLAYGROUND W/SEATING
2. KEY ELEMENTARY FIELDS AND PLAYGROUND• SOCCER FIELD/SOFTBALL FIELD• PLAYGROUNDS
4. WILSON APARTMENTS PARK• SEATING• TREE SHADED GRASS SPACE
OPEN SPACE, AND NATURAL RESOURCES:PRIVATELY OWNED PARKS
3. BARTON PARK AND COMMUNITY GARDEN• GREENSPACE, SEATING, SHADE• COMMUNITY GARDEN
4. CLARENDON BOULEVARD ALCOVE• TREE SHADED SEATING• PAVED SURFACE
OPEN SPACE, AND NATURAL RESOURCES:PRIVATELY OWNED PUBLIC PLAZAS
3. VERIZON PLAZA• MULTIPLE LEVELS WITH SEATING• PUBLIC ART AND FOLIAGE
OPEN SPACE, AND NATURAL RESOURCES:PUBLIC PLAZAS
7. COURTHOUSE PLAZA• PAVED PLAZA WITH ACTIVE FRONTAGE• SHADED SEATING AND ACTIVE FOUNTAIN
8. JUDICIAL PLAZA• STEPPED PAVED PLAZA WITH MINOR SEATING• MEMORIAL SCULPTURE & VIEW OF GW MONUMENT
OPEN SPACE, AND NATURAL RESOURCES:MISCELLANEOUS PUBLIC SPACE
11. COURTHOUSE PARKING LOTACTIVE WITH MARKETS ON WEEKENDS2 SHADE TREES WITH SEATING AND 3 HISTORIC MARKERS
9. COLONIAL OFFICES METRO PLAZAMETRO ENTRY AND CAPITAL BIKE SHARE DOCKPARTIALLY PAVED WITH MINOR FOLIAGE
10. THE “PORK CHOP” MEDIANEMPTY W/ MINOR FOLIAGE SLATED FOR ADJUSTMENT
OPEN SPACE, AND NATURAL RESOURCES:
TOPOGRAPHY CHALLENGES
1. SITE ELEVATIONS DROP OFF DRAMATICALLY TO THE SOUTH AND EAST OF THE COURTHOUSE SQUARE SITE. THIS POSES CHALLENGES TO THE WALKABILITY FROM ROSSLYN AND THE RESIDENTIAL BLOCKS TO THE SOUTH.
2. AS A PLATEAU, IT STANDS PROMINENTLY BUT DISTINCTLY SEPARATE FROM IT’S SURROUNDINGS.
OPEN SPACE, AND NATURAL RESOURCES:
TOPOGRAPHY OPPORTUNITIES
1. AS A PLATEAU, IT STANDS PROMINENTLY ABOVE ITS SURROUNDINGS AND HAS ADVANTAGEOUS SEE AND BE SEEN QUALITIES.
2. THE STUDY AREA HAS SIGNIFICANT TOPO VARIATION FROM NORTH TO SOUTH
3. THE SITE HAS LAYERS OF METRO LANDINGS DIRECTLY ADJACENT TO THE NORTH AND WEST END OF THE STUDY AREA
4. THE METRO MEZZANINE CONNECTS TO UNDERGROUND PARKING, THE AMC THEATRE AND IS APPROXIMATELY THE SAME LEVEL AS VERIZON PLAZA
SUSTAINABILITY
SUSTAINABILITY
SUSTAINABILITY FRAMEWORK
A SUSTAINABILITY FRAMEWORK IS A TOOL THAT PROVIDES:
• A MEANS TO DEFINE SUCCESS
• AN ORGANIZATIONAL STRUCTURE
• COLLECTION OF GOALS, OBJECTIVES, AND INDICATORS THAT DRIVE THE DESIGN, CONSTRUCTION, AND OPERATIONS PROCESS TOWARDS SUSTAINABILITY
• GOALS AND OBJECTIVES ARE DEFINED THROUGH A MULTI-STAKEHOLDER AND MULTI-DISCIPLINED APPROACH
• A UNIQUE CONCEPTION OF SUSTAINABLE DEVELOPMENT TAILORED TO THE PROJECT CONTEXT
• DEVELOPED ALONGSIDE THE OVERALL ENGINEERING AND ARCHITECTURAL AND URBAN DESIGN, ALLOWING FEEDBACK AND RELATING TO THE ORIGINAL PROPOSAL TO THE ORIGINAL PROJECT GOALS AND OBJECTIVES WHILE ADVANCING IN DETAIL
• THEY OFTEN UTILIZE STANDARDIZED ASSESSMENT TOOLS TO CLEARLY DEFINE DEFENSIBLE PERFORMANCE GOALS FOR SECTORS WITHIN THE OVERALL PROJECT
SUSTAINABILITY FRAMEWORK SYSTEM
DISTRICT ENERGY NETWORKS/STORMWATER MANAGEMENT
DISTRICT ENERGY NETWORKS: PROGRESS SUMMARY
1. ENERGY EFFICIENCY MEASURE• ECONOMIC CALCULATORS HAVE BEEN DEVELOPED FOR
USE IN APPRAISING MEASURES THAT ARE DEPENDED ON ENERGY, COST, AND CARBON REDUCTION STRATEGIES
2. DEVELOPMENT OF DYNAMIC THERMAL MODELS HAS BEEN INITIATED
• SPECIFIC BUILDING INFO AND DATA CAPTURED DURING VISIT WILL INFORM THE PRIMARY BUILDING GEOMETRY AS WELL AS SECONDARY BUILDING GEOMETRY (OUTSIDE PROJECT BOUNDARY) SECONDARY BUILDING GEOMETRY WILL BE USED TO ASSESS THE DISTRICT BOUNDARY INFLUENCE
3. UTILITY CONSUMPTION DATA HAS BEEN PROCESSED• MEASURED ENERGY USAGE OF THE BUILDINGS AND IT’S
SYSTEMS ARE USED TO ADJUST THE INPUT PARAMETERS OF THE DYNAMIC SIMULATION MODEL
DISTRICT ENERGY NETWORKS/STORMWATER MANAGEMENT
DISTRICT ENERGY NETWORKS: PROGRESS SUMMARY
4. ENERGY END USE BREAKDOWNS OF THE EXISTING BUILDINGS
• CALIBRATED FROM THE DYNAMIC THERMAL MODELS• THE BUILDINGS ANNUAL ENERGY USE BREAKDOWN FOR
MAJOR MECH, ETC. WILL BE ANALYZED TO ASSESS THE VIABILITY OF CERTAIN ENERGY DESIGN SYSTEMS
5. OPTIMIZATION OF THERMAL AND ELECTRICAL ENERGY STUDY
• RESOURCE ALLOCATION FROM THE ENERGY CONVERSION OF A COMBUSTIBLE FUEL IN A COOLING, HEATING, AND POWER SYSTEM, IS DEPENDENT UPON THE APPRAISAL OF THE PREDICTIVE LOAD DURATION CURVE. THE DYNAMIC SIMULATION MODELS BETTER CHARACTERIZE THE LDC THROUGH THE TIME USE OF TIME-STEP INTERVALS THAT CONSIDER VARYING ENVIRONMENTAL FACTORS
6. BUILDING ENERGY USE INTENSITIES• THE BUILDING ENERGY USE INTENSITIES WILL BE
BENCHMARKED AGAINST BUILDINGS WITH SIMILAR PROFILES (SEE ADJACENT CHART)
-
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
Courthouse Plaza(county offices)
Courts Police Detention Center (Jail) Thomas Building PreMove-in
Court Square West
Site EUI (kBtu/sf-yr)
2007
2008
2009
2010
2011
2012
2013
STORMWATER MANAGEMENT
STORMWATER OBSERVATIONS
1. SYSTEM WIDE CONCERNS• EXISTING INFRASTRUCTURE UNDER PRESSURE
(ADDITIONAL CAPACITY REQUIRED FOR 30% OF SYSTEM)
• ONGOING EROSION OF COUNTY STREAMS• NEW AND EVOLVING STORMWATER REGULATIONS
AND ONEROUS POLLUTION TARGETS• PREPARING FOR CLIMATE CHANGE IMPACTS
2. HIGH SITE ELEVATION• COURTHOUSE SQUARE IS ON TOP OF A
PROMONTORY; MANAGING STORMWATER RUNOFF IS IMPORTANT TO MITIGATE DOWNSTREAM IMPACTS INCLUDING EROSION AND NUTRIENT AND SEDIMENT REDUCTION
3. HIGH LEVEL OF IMPERVIOUS SURFACES• FEW EXISTING OPPORTUNITIES FOR STORMWATER
TO INFILTRATE• (ASSUMED) RELATIVELY HIGH RATE OF
STORMWATER RUNOFF• (ASSUMED) RELATIVELY HIGH LEVEL OF
SEDIMENT/NUTRIENT RUNOFF
4. MINIMAL RECYCLING AT THE BUILDING SCALE• POTENTIAL OPPORTUNITIES TO RECYCLE WATER
FOR NON-POTABLE USES SUCH AS COOLING TOWER MAKEUP AND LANDSCAPE IRRIGATION
BUILDINGS
SQUARE/SITE
COUNTY BUILDINGS
SUGGESTED TO INCLUDE