Project Specs
Owner Hospital Service District 1, Terrebonne Parish
Square Footage 85,000
Start Date01/2010
Completion Date08/2011
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Mary Bird Perkins Cancer Center at TGMC

Project Overview

The Mary Bird Perkins Cancer Center at Terrebonne General Medical Center is an 85,000 SF, three-level structural steel facility that houses a new cancer treatment center along with medical office and retail space. The new structure is tied into the existing medical office building and hospital via a skyway connection. Unique components include a specially built vault to safely contain the high-energy linear accelerator with associated treatment rooms and dedicated IMRT, IGRT, and PET/CT treatment areas.

Additional features include the following:

  • LEED Silver Certification (in progress)
  • 88% of All Construction Waste and Debris Diverted Away From Landfills To Recycling Centers (Typical project debris diversion is approximately 20%, with an average of 50% on projects seeking LEED certification)
  • Healthiest Healthcare Facility in LA Based on Indoor Environmental Energy & Atmosphere
  • Total non-smoking work site
  • Indoor air mitigation procedures throughout construction
  • Complete post-construction flush-out of air system to remove all pollutants
  • Hepa Filters throughout HVAC system
  • 2 High Energy Linear Accelerators Housed in a Specially Designed & Built Vault
  • 4′ – 8′ thick concrete walls, 3′ thick concrete roof to encapsulate radiation
  • Rooftop Garden
  • Strategically placed for viewing by cancer patients while receiving treatment
  • Increases green space
  • Reduces overall energy costs, heat pollution, heat radiation, and amount of heat rejection off of building roofs
  • Storm Drainage Retention System
  • Recycles/reuses rainwater from roof and parking lot
  • Reduces impact on municipal water supply and drainage system
  • High Tech Lighting Controls
  • Highly sensitive light harvesting dimmers sense amount of natural daylight and adjust brightness accordingly
  • Reduces overall power usage and cost

Lessons Learned

  • Verify shielding limits with the physicist’s report. The specific use of space and equipment in the rooms, thickness of lead, height requirements of lead on the walls, and the occupancy of the spaces above/below the X-ray rooms will all dictate the extent of the shielding required. The supplier/subcontractor should provide details for wrapping penetration(s) through the walls and ceilings, fastening patterns, and shielding openings in walls and ceiling for air plenums. If the shielding supplier is a turnkey subcontractor, they can provide engineering for wall framing and ceiling framing.
  • For projects seeking LEED, verify the engineer’s concrete mix design allows for recycled materials, such as fly ash or slag. Many engineers prohibit the use of these cementitious products and therefore no claim towards LEED points can be utilized for recycled content in the concrete mix.
  • When reviewing structural steel submittals, make certain the slab edge conditions are coordinated with different types of exterior curtain wall conditions. For example, metal panel curtain walls have a typical detail for dimensions from the edge of the slab to the face of the panel. The slab edge must be coordinated with the back-up support steel. If there is a glass curtain wall in the same plane as the metal panel wall, the slab edge condition may be different. The structural drawings will not address each specific condition and will vary based on those conditions and refer the contractor back to the Architectural Drawings. However, it is our responsibility to coordinate each specific location. This is also very important when coordinating the edge of the slab on grade.
  • The LINAC Vault equipment manufacturer established several constraints regarding detailed coordination requirements and construction tolerances and sequence, so pre-construction and coordination meetings with the design team should be conducted early in order to uncover and resolve any specific issues.