Institutional

Downtown Roman Catholic Parish

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The Downtown Roman Catholic Parish (DRCP) Building is a 12,000 sf facility located at 801 W. Burnside in Portland. The building was constructed as a hotel in 1906 and was converted to a parish in the 1950s. The central boiler plant for the facility consists of (1) 1200 MBH Burnham steam boiler. This boiler was installed in 2000 and a central air distribution system is served by a single Pace multizone air handling unit. MSE evaluated the following energy efficient measures for the facility:

·        Install DDC controls to control HVAC system (AHU-1, EF-1, HWP-1, CWP-1, CU-1, and CT-1)

·        Install VSD and premium efficiency motor on cooling tower

·        Remove domestic hot water system from central boiler and install separate high efficiency (92%) tankless hot water heater to provide domestic hot water.

·        Install CO2 demand control for ventilation system (will require the installation of EEM-1)

·        Install VSD on AHU-1 supply fan.

Willamette View Retirement Center

The Willamette View complex is a 400,000 sf multi-building complex located at 12706 SE River Road in Portland. The facility was constructed about 1955 and has gone through several renovations. The central heating plant is located in the Manor building and consists of (3) 150 hp firetube steam boilers with an overall efficiency of about 65% (estimated). Two air-cooled reciprocating 125-ton Carrier chillers provide chilled water for the facility. These units are about 20 years old. Two 12-ton air-cooled package units (Pace) serve the Café and Auditorium areas. MSE evaluated the following energy efficient measures for the facility:

·        Replace Café and Auditorium 12-ton RTU's (EER=8.2) with High Efficiency RTU’s (EER = 11) and VAV reheat air distribution and DDC controls

·        Replace Café and Auditorium 12-ton RTU's (EER=8.2) with High Efficiency RTU’s (EER = 11)

·        Install run around heat recovery system in kitchen exhaust and make up air system

·        Install high efficiency (0.55 kW/ton) rotary screw chiller with open induced draft cooling tower

·        Install de-coupled chilled water pumping system on existing chillers

·        Replace existing (3) 150 hp central firetube boilers with local condensing boilers (Eff. = 92%)

·        Install VSD’s on 250 apartment fan coil units.

·        Install CO2 demand ventilation control in Café and Auditorium areas