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Markets: Multi-Family

Greenbridge at Wells Branch

  • 220-unit complex on 6 acre site
  • Site development plans and permits
  • Certificate of completion for civil improvements

Greenbridge at Wells Branch is a multi-family senior housing development. Gray Engineering provided site development engineering services for this five-building, 220-unit mid-rise community that also included parking garages, carports, pool and cabana and other amenities on a six-acre tract.

Site grading was critical on this project in order to provide handicap access to all locations on site. The site plan included the design of a sedimentation and filtration water quality and detention facility to meet the requirements of the Edwards Aquifer Recharge Zone, which included the use of concrete sidewalls. The project also required the design and installation of a median cut for access to the entrance, which required approval from state and county transportation agencies.

Bluffs at Balcones

This infill project consists of 27 low-rise condominium units on a 2 acre tract of land. Gray Engineering prepared all site development plans including a very complex drainage system requiring extensive coordination with the state transportation agency and other impacted parties. This small site required close coordination with the project architects and owners to accommodate the development needs and still fully meet the City of Austin Development Code requirements for impervious cover and tree protection.

Parkside Northtown

  • New concept of duplex development with single site plan lot
  • Private streets with public utilities
  • In-fill project within the Northtown MUD development

The Parkside and Northtown duplex development was a unique project in that it incorporated the design and construction of duplex housing without subdividing individual lots for each duplex. Rather, the overall tract consisting of about 84 acres was planned as one site development with common areas maintained by the homeowners association, utilizing private streets but public utilities to serve each individual unit.

The total project included 326 units and departed from the traditional grid layout easily found with these types of developments. In addition, Parkside Northtown bordered Harris Branch creek and a master planned park facility owned and maintained by the Northtown Municipal Utility District.