2006 Green Eggs Presentation

Green Eggs Bringing the Engineer to the Table March 1, 2006

Moomaw House, Williamstown, MA Key integration moment: Team commits to building envelope performance. Coldham Architects Energysmiths – Environmental Consultant
Zero Energy Goal
6KW PV Array
3 Ton GSPH
90 o F Ave. Water Temp
11.3 BTU/Hr/S.F. Heat Loss

West Side Pump Station Key integration moment: Petitioned state DES to waive ventilation rules. Coldham Architects Energysmiths – Environmental Consultant Old Roofscape Owner Goal: “ Keep equipment as simple as possible.” Elimination of cooling and large reduction in ventilation dramatically simplifies system

New Roofscape Post Construction Photo shows simplified roof equipment

Green Woodlands, Lyme, NH Key integration moment: Architect Stu White spends day at Petersen Engineering optimizing energy model. Barnwell Architects Bruss Construction – GM Building Envelope Solutions – Envelope Consultant Paul Leveille – Environmental Consultant No utilities available Hydro and solar primary power sources LEED for Homes pilot project

Infiltration in ventilation loads reduced.

Energy Model Options Chart shows relative impact of envelope variable on energy model 40kBtu/S.F./yr. modeled total energy use

White Mountain School, Bethlehem, NH Key integration moment: Architect Rick Renner includes Petersen Engineering in pre-schematic design meeting with science faculty. Richard Renner Architects Bruss Construction – CM Final boiler sizing made with understanding that extended hood use combined with cold weather will over-cool building 50kBtu/S.F./yr. modeled total energy use

River House, York, ME Key integration moment: Petersen Engineering sees “heating problem” as an envelope issue and collaborates with building envelope consultant. Building Envelope Solutions – Envelope Consultant Project Goal: Adapt for year-round occupancy

Nubi River Co-housing, Peterborough, NH Key integration moment: Team signs on to district wood pellet boiler plant with no fossil fuel backup. O’Neil Pennoyer Architects EnergySmiths – Environmental Consultants Bruss Construction - CM 45,000 total S.F. 29 Units of Housing Heating and domestic hot water off central wood pellet boiler plant

Longfellow Office Building, Portland, ME Key integration moment: Architect Scott Simons initiates raised floor building systems approach. Scott Simons Architects Energy model progress showing proposed building and future adjacent building

Community Campus, Portsmouth, NH Key moment: Discovery of Energy Star Target Finder website. Blue columns indicating energy use history 212 kBtu/S.F./yr. peak energy use Purple columns show Energy Star targets at 50%, 75% and 90% 94 kBtu/S.F./yr. Energy Star energy use

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2006 Green Eggs Presentation

by Petersen Engineering, Inc.

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