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M/E Engineering joins Salas O’Brien

We are excited to announce that M/E Engineering has joined Salas O’Brien, effective October 2025. Our offices will remain under the same leadership, and our clients can continue to expect the same team and level of service. As M/E and Salas O’Brien work together, we believe clients will benefit from our combined expertise and geographic reach.

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Marketplace Dining Avallone

Sibley Square

WinnCompanies

The historic landmark (1906) and former iconic Sibley Department Store was transformed into a vibrant, mixed-use development and became one of Rochester’s most innovative mixed-use project in decades. The first phase of the rehabilitation included 200 residential units, with market-rate apartments, workforce housing, and over 70 units reserved for adults age 55+. Today, Sibley Square includes 104 luxury apartments, 72 senior living units, and 104 workforce housing units. The building also features extensive amenity spaces, including a fitness center, lounge, theater room, indoor children’s play area, and outdoor dog park. The lower levels provide active first-floor retail and restaurant space, along with three floors of renovated office space.

M/E provided full MEP/FP design services for this historic adaptive reuse, including mixed-income residential apartments on floors 7–12, high-tech office space, and a new central chilled water and hot water plant serving floors 1–6. Floors 7–12 are served by a dedicated heat pump system to support residential comfort and efficiency.

Client: WinnCompanies
Size: 1,100,00 SF
Awards: 2018 Excellence in Historic Preservation & 2023 Barber Conable Award
Services:
  • MEP/FP Engineering
Marketplace Dining Avallone
Marketplace Dining Avallone
Lobby Avallone
Marketplace Dining Avallone
Interior Apt Avallone
Interior Apt Avallone
Roof Avallone
Roof Avallone
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