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CMAA Sustainability WorkshopFriday, January 23, 2009

Washington, DC

The New U.S. Census Bureau Headquarters Suitland, Maryland

JAG BHARGAVA, PE, PMP, CCM, DBIAActing Deputy Director & Project Executive, GSA

ROD GARRETT, AIAAssociate Director, SOM

IRIS AMDUR, LEED APPrincipal, Greenshape

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New U.S. Census Bureau Headquarters

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INTRODUCTION

1.5 million square foot office space & 1.0 million structured parking, $400. million.

Bridging Design-Build Delivery MethodThe Team

- Bridging A/E- SOM - DBC- Skanska (GC) &HKS ( Architect of the Record) - CM- DMJM / Heery ( Jt. Venture) - LEED consultant - Greenshape

Construction & Occupancy Completed, 2007.

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OWNER’S PERSPECTIVE

GSA wanted to achieve GSA's new Standard of LEED silver or higher.

Bridging Design-Build delivery method was new untested to achieve LEED.

SOM's Concept, which achieved 34 LEED points.

GSA Concerns :- HKS's CD when completed may not get 34 LEED points- DBC's design proposal may conflict with PBS P-100

Benefits in having CM, and Bringing the CM on very early :- To oversee LEED process and to track LEED points- To perform and oversee additional commissioning ( Which achieved 1 LEED Point) until all equipment turnover

GSA saw Benefit in having DBC hire an Independent LEED consultant, Greenshape.

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GREEN IS GOOD...there is no other building complex like this in the world

Designed to be the architectural expression of sustainability.

Set in an 80-acre woodland preserve.

Two buildings have been conceptually "Cleaved" from a single mass.

Central garden, courtyards, and other sustainable landscape gardens.

Woodland-facing facades are clad in a unique, architectural sunshade.

Parking structures green screens with climbing ivy.

Scenic views brought into the workplace.

"Mainstreet" with all kinds of amenities.

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SUSTAINABILITY

A. User Comfort

Daylight + Indoor Air Quality

Underfloor Air

B. Water Conservation

Site Stormwater management

Natural filtering – Green Roofs

Potable water usage

Low flow fixtures - waterless fixtures

C. Energy Conservation

Heat Load Reduction

Exterior sun screen “wood veil”

Sustainability / Design Goals7 A. GSA

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A. User Comfort

User Comfort

GOAL

Daylight + Indoor Air Quality

SOLUTION

Underfloor Air

APPLIED TECHNOLOGY

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A. User Comfort

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A. User Comfort

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A. User Comfort - Underfloor Air Distribution

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A. User Comfort - Underfloor Air Distribution

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B. Water Conservation

Site Stormwater Management

Natural Filtering – Green Roofs

Water Conservation

Potable Water Usage

Low flow fixtures – water less fixtures

GOAL

SOLUTION

APPLIED TECHNOLOGY

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B. Water Conservation- Green Roofs

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B. Water Conservation- Green Roofs

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B. Water Conservation- Green Roofs

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Heat Load or Cooling Requirements

Reduction

Exterior sun screen “wood veil”

Energy Conservation

C. Energy Conservation

GOAL

SOLUTION

APPLIED TECHNOLOGY

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C. Energy Conservation- Sun Screen

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C. Energy Conservation- Sun Screen

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C. Energy Conservation- Sun Screen

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C. Energy Conservation- Sun Screen

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C. Energy Conservation- Sun Screen

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C. Energy Conservation- Sun Screen

Census Bureau Headquarters LEED Certification

Construction Management Association of AmericaSustainability Workshop23 January 2009

Iris Amdur, LEED AP, Principal

GreenShape LLC

GreenShape Role

● Engaged by Skansa to help guide the implementation of project sustainability goals

● Provided technical guidance on LEED credits

● Reviewed LEED documentation

● Manage the LEED online submittal process to USGBC

Census Bureau: Sustainable Sites

● SS pr1: Erosion & Sedimentation Control

● SS4.1 - Alternative Transportation, Public Transportation (1pt)

● SS4.2 - Alternative Transportation, Bicycle Storage & Changing Rooms (1pt)

● SS4.3 - Alternative Transportation, Alternative Fuel Vehicles (1pt)

● SS4.4 - Alternative Transportation, Parking Capacity (1pt)

● SS5.2 - Reduced Site Disturbance, Development Footprint (1pt)

● SS6.1 - Stormwater Management, Rate and Quantity (1pt)

● SS6.2 - Stormwater Management, Treatment (1pt)

● SS7.1 - Heat Island Reduction, Non-Roof (1pt)

● SS7.2 - Heat Island Reduction, Roof (1pt)

Census Bureau: Water Efficiency

● WE1.1 - Water Efficient Landscaping, Reduce by 50% (1pt)

● WE1.2 - Water Efficient Landscaping, No Potable Use or No Irrigation (1pt)

● WE3.1 - Water Use Reduction, 20% Reduction (1pt)

● WE3.2 - Water Use Reduction, 30% Reduction (1pt)

Census Bureau: Energy & Atmosphere● EApr1: Fundamental Building Systems Commissioning

● EApr2: Minimum Energy Performance

● EApr3: CFC Reduction in HVAC&R Equipment

● EA1 - Optimize Energy Performance (1pt)

● EA3 - Additional Commissioning (1pt)

● EA4 - Ozone Depletion (1pt)

● EA6 - Green Power (1pt)

Census Bureau: Materials & Resources● MRpr1: Storage & Collection of Recyclables

● MR2 - Construction Waste Management, Divert 50-75% (1pt)

● MR4 - Recycled Content, 5-10% (p.c. + 1/2 p.i.) (2pts)

● MR5.2 - Local/Regional Materials, 10% harvested regionally (1pt)

Census Bureau Indoor Environmental Quality Credits● EQpr1: Minimum IAQ Performance

● EQpr2: Environmental Tobacco Smoke (ETS) Control

● EQ1 - Carbon Dioxide (CO2) Monitoring (1pt)

● EQ2 - Increase Ventilation Effectiveness (1pt)

● EQ3.1 - Construction IAQ Management Plan, During Construction (1pt)

● EQ3.2 - Construction IAQ Management Plan, Pre-Occupancy (1pt)

● EQ4.1 - Low-Emitting Materials, Adhesives & Sealants (1pt)

● EQ4.2 - Low-Emitting Materials, Paints (1pt)

● EQ4.3 - Low-Emitting Materials, Carpet (1pt)

● EQ5 - Indoor Chemical & Pollutant Source Control (1pt)

● EQ6.2 - Controllability of Systems, Non-perimeter Spaces (1pt)

● EQ7.1 - Thermal Comfort, Comply with ASHRAE 55-2004 (1pt)

● EQ7.2 - Thermal Comfort, Permanent Monitoring System (1pt)

Census Bureau Innovation Credits

● ID1.1 Innovation in Design: Low-emitting Furniture (1pt)

● ID1.2 Innovation in Design: Exemplary Performance EA 6 (1pt)

● ID1.3 Innovation in Design: Education & Outreach (1pt)

● ID1.4 Innovation in Design: Green Housekeeping (1pt)

● ID2 LEED™ Accredited Professional (1pt)

LEED and the Construction Manager

● Involve CM in developing project LEED/Design strategy

● Bundle green building systems during cost estimating

● Establish LEED Action Plans during design and refine as job is bid/bought

● Communicate LEED requirements to subcontractors prior to bid and during construction

● Track and Document LEED as you go

● Issue frequent LEED progress reports

● Put LEED on the Construction Meeting Agenda monthly

Questions

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