InterWeaver Consulting

Building Energy Studies:

InterWeaver Consulting has completed a wide variety of building energy studies ranging from residential scale to facilities larger that one million square feet. Our analysis has included the evaluation of building envelope, mechanical systems, and lighting and daylighting options. The scope of studies we perform vary widely: we perform evaluation studies of single buildings and we have modeled the aggregate commercial building sector of British Columbia, Canada.

·                     Lead for jury to evaluate schematic energy analysis studies for 18 off-grid residences designed by participating schools in the 2005 Solar Decathlon.

·                     BC Hydro Building Checkup Program, Large Hotel Evaluation (three facilities, approx. 500,000 sf ), Whistler, British Columbia, May 1996: Performed onsite audit and DOE2.1 simulation calibration to identify end-use load trends and ECM analysis for three large hotels.

·                     Quantico BOQ Central Plant Study (approx. 200,00 sf), March 1996: Developed DOE2.1 baseline model and four alternate scenarios for replacement of existing absorption cooling equipment.

·                     NEES DSM Verification Study (three facilities, approx. 500,000 sf total) March 1995: Developed DOE2.1 baseline models for three facilities (a high school, vocational school, and electronics manufacturing facility) supporting a DSM incentive program savings verification study.

·                     EPRI / BC Hydro DOE Calibration Protocol Study, 1994: We developed and evaluated approaches to provide hourly load profile information from calibrated DOE2 building models. Building templates were adjusted to match field audit information by a predefined protocol. The results were compared to hourly load monitoring to assess the accuracy.

·                     Value Plastics Expansion Facility (approx. 25,000 sf ), Loveland, CO, 1994: Provided DOE2.1 modeling to design team including elimination parametric and measure evaluation including daylighting and dimmable lighting systems. This design support activity was jointly supported by Fort Collins Light and Power and Western Area Power Administration (Energy Services Division).

·                     Eagle Rock School, Estes Park (approx. 20,000 sf), CO 1993: A design critique of four buildings on the campus of the Eagle Rock School was provided to the design team including recommendations for glazing, lighting, and mechanical systems. This work was support by WAPA Energy Services Division.

·                     San Miguel Electric Association Headquarters (approx. 4,000 sf), Telluride, CO, 1993: Evaluation of ground source heat pump and in-floor heating concepts was provided using DOE2.1.

·                     BC Hydro Peak Load Reduction Study, 1992: Developed methodology and completed analysis to model the aggregate commercial building sector for British Columbia. Our approached involved development of building prototypes for existing and future classes of commercial buildings and DOE2 pre and post processors to automate the simulate prototype buildings in three climates and including the changing building stock over time. Total sector coincident hourly load was estimated by end-use based on current and projected building sector statistics. Using this load aggregation process, we evaluated multiple ECMs for peak load reduction potential.

·                     Colorado Mountain College Multipurpose Building (approx. 15,000 sf), Steamboat Springs, CO, 1992: Design assistance including hourly simulation was provided to review the effectiveness of lighting, evaporative cooling, and glazing proposals for this facility.

·                     Jack Davis Building (approx. 80,000 sf), Ministry of Energy Mines and Petroleum Resource, Victoria, British Columbia, 1992: Predesign and schematic design analysis was provided along with an on-site modeling workshop using DOE2.1. Simulation provided decision support information for daylighting alternatives, operable windows, high efficiency ductwork, evaporative cooler and high efficiency lighting concepts.

·                     COMPAC CCM9 Manufacturing Facility (approx. 500,000 sf), Compac Computer Corp., Houston, TX, 1992: Reference building analysis and detail design evaluation was provided including energy simulation and construction of scale models for daylighting analysis. A feasibility study of the possible application of absorption chillers was included.

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