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Confidential Metropolitan Hospital Network, GREATER BOSTON AREA

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VALUE DELIVERED

Our turnkey design-build, single-source delivery provided this hospital a more energy efficient chiller and pumps, along with advanced automation, in minimal downtime. The new system achieved an average energy consumption reduction of more than 196,152- kilowatt hours (29 percent) per year.

We used environmentally responsible practices for equipment demolition and refrigerant disposal, and expert rigging management to help optimize patient and street-level safety. The new system garnered a $98,076 rebate from Eversource.

CLIENT OBJECTIVES

The hospital was in need of a more energy-efficient solution that would include a new chiller and pumps, and an updated automation system to help maximize the chiller’s capabilities. The system also needed to be installed with minimal disruption.

PROJECT SOLUTIONS

To help minimize downtime, we completed much of the work during the coldest winter months when the cooling system could be off-line. We developed a 3D CAD model of the room to allow prefabrication.

The condenser water and primary chilled water loops were re-piped to allow for each original pump and tower to connect to both chillers. We insulated the chilled water piping, and installed new variable frequency drives (VFDs) on the pumps.

Then, a new, energy-efficient, central-processor-controlled chiller was installed with a frictionless compressor and new associated pumps. Since frictionless compressors operate most efficiently on part loads, our design engineers programmed the control strategy and its algorithms, enabling an all-variable-flow central plant with system components regulated for maximum energy efficiency.

The lead/lag staging capability of our solution helped improve performance, enabling the chillers, compressors, pumps, variable frequency drives, and cooling towers to adjust to changing environmental conditions.

To finalize the project, we tested and balanced the chillers’ water system, and performed commissioning and startup. In addition, we provided the client with the manufacturer’s chiller performance data, and trained the client’s facilities personnel on the operation of the chiller and new controls system.

CLIENT BACKGROUND

This facility includes two hospitals and a network of supplementary service centers throughout Boston’s western suburbs.

BIOTECH/HEALTHCARE
HOSPITALS

 

OPERATING COMPANY:
EMCOR Services Northeast

CLIENT:
Confidential Hospital Network

PROJECT DURATION:
4 Months

 

 

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  case_box.gif Retrofit
  case_box.gif Electrical Construction
  case_box_check.gif Mechanical Construction
  case_box.gif Facilities Services
  case_box.gif Consulting Services
  case_box_check.gif HVAC Services
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Case Studies

  • Public/Government
    • Boston Public Library
    • The Massachusetts Historical Society
  • Commercial
    • Confidential Global Commercial Real Estate Firm
  • Biotech/Healthcare
    • Children’s Hospital
    • St. Luke’s Hospital
    • Lowell General Hospital
    • Non-Profit Healthcare Provider
    • Leading Teaching and Research Hospital
    • Confidential Hospital Network
    • Leading Medical School
    • Hospital Automation Upgrade
  • Manufacturing
    • Confidential Global Manufacturer
    • Confidential Global Manufacturer - Controls Retrofit
 

EMCOR Services Northeast, Inc.

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