Helios is a 400-unit, 40-story apartment building in Seattle. The base of the tower features retail space with the podium of the tower facilitating four floors of above-grade parking located right above the retail level. Auburn’s scope of work included design-build plumbing.
Located in Queen Anne, the Bayview 62+ Community offers enhanced retirement living that is improved with the renovation of the old building. Auburn was the MEP engineer, full-mechanical contractor, and design-build partner. Bayview includes a new café, resident lounge, new residential tower, and an updated aesthetic throughout.
The Walton Lofts project was the new construction of the design-build, 12 story, 156,300-SF apartment building with 136 units featuring a loft-like setting. The 12-story building offers studios, one-bedroom, and two-bedroom apartments. Walton Lofts is a Green Globe project with a building constructed of post-tensioning concrete and includes three floors of underground parking. Auburn worked closely with the architects and other design consultants through the design process.
Red Cedar is the second of three apartment projects that Auburn has completed as a part of the Yesler Terrace redevelopment for the Seattle Housing Authority (SHA). We performed full-mechanical engineering, design, and installation for the job. The HVAC scope included variable refrigerant flow (VRF) and in-unit energy recover vents (ERVs). In addition to plumbing for 119 residential units, the project included a solar preheat system. We also provided all the piping for the refrigeration and set of significant equipment.
General Contractor: Andersen Construction
More About the Project:
Based on two previously successful projects with SHA and Andersen Construction, our team was very in-tune with the client’s goals and how we would need to coordinate our work with the wood structure. Conflicts between plumbing, HVAC, and structural members were identified early in the design stage, and we were proactive in addressing issues ahead of time to eliminate coordination in the field and increase productivity on site. Our constructability reviews resulted in saving time on the project.
In coordinating with the general contractor, we gave special consideration to the vent terminations on the outside of the building to develop a solution that would be equally functional and aesthetically appealing. Work upfront was completed to ensure the entire project team was pleased with the selected type of terminations and that framing was properly coordinated for the hood.
Booster Pump and Just-In-Time Deliveries
Red Cedar required a booster pump, which we installed in the water entry room. To accomplish this, the booster pump was transported on a skid, and we hoisted it into the building. We coordinated with our subcontractor on the specific date the booster pump was needed on-site to free up valuable laydown space and eliminate unnecessary equipment movement.
Atlas is a mid-rise apartment complex on a six-acre lot with 340 multi-family units. The complex is comprised of three five-story buildings. Below-grade parking was also constructed for the residents. The scope of work included full-mechanical construction on all buildings.
The Third and Lenora Tower site is situated in Belltown near Seattle’s retail district. This 36-story, mixed-use, residential, office, and retail building will allow individuals to live, work, and play all within one spacious and modern facility. The project includes installation of pipe supported by a complex rebar ladder system and implementation of a new quality control program for documentation of installed underground/under slab piping systems. Third and Lenora is 552,753 square feet and features five floors of underground parking.
This design-build project was the new construction of three residential towers, a podium, and four stories of above-ground parking. The completed project is 877,000 square feet. The structure consists of post-tensioned concrete on a deep pile foundation and is a mixed-use development. The project utilizes in-slab PEX water piping, which is all pre-fabricated as is the majority (95%) of D/W/V piping. The use of the Trimble device for in-slab MEP activities rapidly expedited the layout time while 3D modeling increased MEP coordination and productivity allowing us to forecast conflicts (of all types, architectural, structural, etc.) ahead of time and design accordingly.
Hoa Mai Gardens is a new 111-unit, mixed-income housing apartment complex in the Yesler neighborhood of Seattle. The project was for the Seattle Housing Authority, and Auburn was the design-build and full-mechanical contractor. Other features of the project include a rainwater harvesting system that provides water for the toilets and the solar-powered boilers.
The Joseph Arnold Lofts are a new, design-build, 12-story apartment. The building features PT concrete and three floors of underground parking. Auburn worked closely with the architects, and other design consults through the design process. Of paramount concern, the parking garage would sit more than 20 feet below sea level—located on Elliot Avenue. Coordination with the general contractor was essential to ensure below-slab piping, vaults and penetrations were to be watertight. The 3D MEP coordination allowed the team to “fly-through” the partitioned sections of the slab where vaults and the 30,000-gallon stormwater retention tank were segmented from the slab and enclosed in formed, waterproofed concrete.
This mixed-use project included the construction of affordable housing that included studio, 1-bedroom, and 2-bedroom apartments. The roof is unique in that it includes a unique community space with dog-friendly amenities. Auburn provided mechanical, plumbing, gas, and boiler services on the project.
General Contractor: Walsh Construction
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