www.aoc.gov

AOC Presentation to DBIAUnited States Capitol Complex

Charles Iliff Director of Sustainability and Energy, AOC

Anna FranzDirector Planning and Project Management, AOC

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About the Architect of the Capitol• AOC’s Campus & Mission

Design Build Projects:• E85 Refueling Station• Energy Savings Performance Contracts

• United States Capitol• House Office Buildings• Senate Office Buildings

• Cannon Renewal – Integrated Design Process• Senate Underground Garage – Potential future project• U.S. Capitol Dome Restoration

2www.aoc.gov

Agenda

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3www.aoc.gov

About the Architect of the CapitolAOC’s Campus & Mission

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About the Architect of the CapitolAOC’s Campus & Mission

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5www.aoc.gov

• 17.4 million square feet of facilities and 550 acres of historic buildings and grounds

• Includes U.S. Capitol, Senate and House Office Buildings, Library of Congress, Supreme Court, Botanic Garden, others

• Production and distribution of steam and chilled water to more than 25 buildings

• Assets entrusted to our care must continue to meet Legislative, Judicial, and public needs while maintaining historical preservation focus

“Serve Congress and the Supreme Court, preserve America’s Capitol and inspire memorable

experiences for our visitors”

About the Architect of the CapitolAOC’s Campus & Mission

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About the Architect of the CapitolAOC’s Campus & Mission

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8www.aoc.gov

Design Build Projects:• Authority for Design Build projects – past 5 years• E85 Refueling Station• Energy Savings Performance Contracts

• United States Capitol• House Office Buildings• Senate Office Buildings

• Cannon Renewal – Integrated Design Process• Senate Underground Garage – Potential future project• U.S. Capitol Dome Restoration

Architect of the CapitolDesign Build and other Projects

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E85:• E85 Refueling Station 2008• AE-1 one month AECOM

(HSMM)• AE2 and construction 6

month ERM and Tanks Direct• $800,000 Renovation

existing AOC refueling facility

Architect of the CapitolDesign Build and other Projects

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Architect of the CapitolEnergy Savings Performance Contracts

Implemented 3 ESPCs in 14 buildings - $93 million in infrastructure upgrades

• United States Capitol– 29% annual energy reduction over a 10 year term– Partnered with Ameresco– Construction 2009-2012

• House Office Buildings– 23% annual energy reduction over a 16 year term– 32% annual water usage reduction– Partnered with Noresco, LLC– Construction 2009-2012

• Senate Office Buildings– 35% annual energy reduction over a 14 year term– Partnered with Ameresco– Construction 2009-2013

Challenges• Adapt 18th, 19th, and 20th

century facilities to 21st century standards of energy and sustainability

• Work in historic, emblematic facilities of national and worldwide significance

• Preservation of priceless artwork

• Uninterrupted legislative operations

• Minimize impacts to building occupants – be invisible

• High-volume public access

• Tight security 11www.aoc.gov

Implementing ESPCs in Historic BuildingsEnergy Savings Performance Contracts

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Implementing ESPCs in Historic BuildingsUnited States Capitol

Partnership Details• $14 million partnership with

Ameresco and Banc of America Leasing & Capital

• Detailed energy survey conducted in 2008-2009; contract award in 2009

• Four primary ECMs– HVAC Controls Upgrades– AHU 18 Replacement– Energy Efficient Lighting

Upgrades– Steam Trap Replacements

• Total savings goals– 29% reduction in energy usage

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Implementation Scope• 33 AHUs converted from pneumatic

to DDC• Wireless space temperature

feedback• Night/weekend control setbacks• Ongoing training program for BAS

operators to monitor/diagnose energy-related deficiencies

• AHU-18 HVAC system replacement with a variable-air volume (VAV) system to enhance humidity and temperature control

• 12,900 lamp/ballast efficiency upgrades

• 670 steam trap replacements

13www.aoc.gov

Implementing ESPCs in Historic BuildingsUnited States Capitol

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Partnership Details• $34 million partnership with

NORESCO, LLC and Bostonia Partners

• Detailed energy survey conducted in 2008; contract award in 2009

• Four primary ECMs– Energy Efficient Lighting

Upgrades– HVAC Controls Upgrades– Water Conservation Measures– Steam Trap Replacements

• Total savings goals– 23% reduction in energy usage– 32% reduction in water usage

Implementing ESPCs in Historic BuildingsHouse Office Buildings

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Implementing ESPCs in Historic BuildingsHouse Office Buildings

Implementation Scope• 34,200 lamp/ballast upgrades in 6

buildings• Occupancy sensors, daylight

harvesting, day/night scheduling & bi-level lighting in select areas

• Solar fiber optic accent lighting• 77 AHUs converted from pneumatic to

DDC• Wireless space temperature feedback• Night/weekend control setbacks• Duct sealing• Demand ventilation• 78 steam trap replacements• 2,700 low flow, automated plumbing

fixture upgrades• Green roof demonstration• Condensate harvesting for fountain

make-up water

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Implementing ESPCs in Historic BuildingsHouse Office Buildings

• Environmental stewardship & recycling a key contract component– All lamps/ballasts properly recycled with documented “death”

certificates– All metal debris recycled as much as possible– All packaging/shipping containers recycled or reused– All removed plumbing fixtures ground down and used as

aggregate for road construction

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Implementing ESPCs in Historic BuildingsSenate Office Buildings

Partnership Details• $42 million partnership with

Ameresco and Banc of America Leasing & Capital

• Detailed energy survey conducted in 2008-2009; contract award in 2009

• Five primary ECMs– HVAC Controls Upgrades– Lighting Retrofits and

Controls– Transformer Upgrades– HVAC Testing, Adjusting, and

Balancing– Removable Insulation Covers

• Total savings goals– 35% reduction in energy

usage

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Implementation Scope• 99 AHUs/EFUs converted from

pneumatic to DDC• Wireless and wired space temperature

feedback• Night/weekend and critical zone

control setbacks; optimized start/stop strategies

• 1,400 VAV box replacements• Cog belt replacements• Coil cleaning• Door seals & weather stripping• 44,300 lamp/ballast efficiency

upgrades• Large expansion of lighting control

system• 134 transformer upgrades• Removable insulation covers installed

on steam valves 18www.aoc.gov

Implementing ESPCs in Historic BuildingsSenate Office Buildings

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AOC Energy Reduction FY 2003-2015

Energy Savings HighlightsFY2013

Ene

rgy

Inte

nsity

Red

uctio

ns P

erce

ntag

e

-21.8

-25.2-27

-30

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AOC FY 2012 (22%)

Energy Savings HighlightsFY 2013

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$2.7 MillionDollars saved through new energy reductions

25% Energy reduction from FY 2003 baseline, exceeding the FY 2013 goal

20%Reduction in our greenhouse gas footprint from a FY 2008 baseline

Energy Savings HighlightsRecent Accomplishments

6 MillionSquare footage of buildings retro-commissioned

$14 MillionIn building energy improvements re-allocated from utility accounts

230Meters installed

85 MillionGallons of water saved from a FY 2007 baseline

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• Completed 1908

• Never had complete renewal

• 10 year project to renew entire building

• One wing every two years from 2015-2025

Cannon House Office Building Renewal

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SUG Renovations & Landscape Restoration Overview - Aerial

Area of construction

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SUG Renovations & Landscape RestorationTimeline

1932: Garage, upper plaza & fountain original construction

24

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SUG Renovations and Landscape Restoration Program Elements

Garage:• Senate Staff Parking – 187 spaces• Car Wash• Senate Fountain Mechanical Room• Capitol Grounds Offices & Shops• Pedestrian Tunnel to RSOB• C Street Tunnel and Associated Shops

Hardscape:• Upper Plaza and Senate Fountain• Cascading Wall Fountain• Infrastructure supporting fountains • Lower Plaza• Senate Reflecting Pool

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Proposed Schedule:

August 2012: Award AE-1 Design

May 2013: AE-1 Design Complete

2015: RFP for Design-Builder(Subject to authorization & appropriation)

2016: Construction Start (Subject to authorization & appropriation)

2017: Construction Complete

SUG Renovations & Landscape RestorationProposed Schedule

26

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• 150+ years old

• Cast iron from 1850s-1860s

• Last restored 1960

• Multi-year project underway will repair 1,000+ cracks

U.S. Capitol Dome Restoration

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• Exterior envelope repair and restoration (stone)

• Energy Projects• Fort Meade Storage Modules

Upcoming Work