Project Spotlight: Overcoming Historic Building Challenges at the Cincinnati Waldorf School

Our team recently completed a challenging Special Projects assignment at The Cincinnati Waldorf School in Mariemont, Ohio, where our team replaced a long-inoperable steam boiler in a historic school building originally constructed in 1925. This project required detailed planning, creative problem-solving, and close teamwork to successfully restore heat to the facility.

Managed by Patrick Blankenship, this project was particularly significant as it marked his first boiler replacement as a Project Manager.

The Challenge: Replacing a Boiler in a 100-Year-Old School

The most significant challenge of this project stemmed from the age and condition of the building itself. The existing steam boiler had not been operational for many years and was well past its service life. Complicating matters further, the boiler was located in the basement of the school, creating tight access conditions for both removal and installation.

Working within a historic structure required extreme care to avoid damage to the building. Limited clearance, narrow pathways, and restricted material handling space made equipment removal and installation especially difficult. In addition, all work had to be carefully coordinated within an active school environment, requiring attention to safety, scheduling, and minimizing disruption to daily operations.

The Solution: Planning, Precision, and Teamwork

To overcome these challenges, MSD’s Special Projects team focused on detailed pre-planning and close collaboration. Every step of the process was evaluated in advance, from safely disconnecting utilities to maneuvering large equipment in confined spaces.

With support from Steve Storck, Baron Rice, and Tyler Smith, the team successfully removed the outdated boiler and installed a new Weil-McLain LGB-9 steam boiler. New steam piping was carefully routed and insulated to meet local code requirements, and all gas, electrical, and control connections were restored and tested.

Scope of Work

The project scope included:

  • Disconnecting gas, electric, and control systems from the existing steam boiler
  • Disconnecting existing steam piping
  • Removing and properly disposing of the old boiler
  • Providing and installing one Weil-McLain LGB-9 steam boiler
  • Installing new steam piping from the boiler to the existing building loop
  • Reconnecting gas, electric, and control systems
  • Insulating new steam piping per local codes
  • Starting up the boiler and verifying proper operation

The Result: Reliable Heat in a Historic Facility

Despite the logistical and structural challenges, the project was completed successfully and the Cincinnati Waldorf School now has a fully operational steam heating system. The new boiler delivers dependable heat while respecting the limitations and character of the historic building.

This project highlights MSD’s ability to take on complex work in older facilities, where careful execution and experience are critical. It also represents a meaningful milestone for Patrick Blankenship and a strong example of how teamwork and problem-solving drive successful outcomes on MSD Special Projects.

WPAFB Sensors Lab

Wright-Patt Air Force Base sought contractors to renovate and add onto the Sensors Lab. The HVAC portion of the project was over $13 million.

  • MSD served as the Design Assist Contractor in conjunction with Heapy Engineering for this project. In collaborating with General Contractor, Butt Construction, MSD provided Design Assist solutions for the following:
    • A large, anechoic chamber
    • An outdoor range
    • Multiple, Class-100 clean rooms
    • A three-story office building addition with DCID 6-9 requirements on many of the rooms

WPAFB Chilled Water System

The chilled water system at a high-security building on the Air Force Base was undersized and unable to keep up with demand. The facility could not operate without chilled water due to the amount of information servers in the building, and the general nature of the building itself. The entire upgrade project would need to be completed with minimal shut down time at the building. HVAC portion of this project was over $3 million.

  • MSD worked in collaboration with Diaz Construction to complete the system upgrades on time and on budget with minimal shutdowns or disruption to the facility operations.

LJB, Inc.

LJB, Inc. was renovating their Miamisburg, OH office and wanted to incorporate energy-saving upgrades.

  • MSD provided Design Build services in tandem with Greensleeves Energy Solutions, a specialist in geothermal systems.
  • MSD and Greensleeves installed a new geothermal HVAC system with open and closed loops. In addition, MSD design and installed the plumbing portion of the renovation.

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