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CLIENT
Marvin Windows & Doors
Ripley, TN
FACILITY
The Marvin Windows & Doors Manufacturing Facility is located near the heart of the New Madrid Seismic Zone. The facility was built in 1980 with 3 major additions made through 1991. The design criteria for the construction was based on older building codes and did not consider the high seismic forces in the region.
In response the seismic risk inherent to their site, Marvin Windows implemented a seismic mitigation program out of concerns for the safety of their associates.
CHALLENGE
The facility is an operating plant manufacturing windows and doors from raw materials to finished product. This could not be halted during construction. Additionally, the general operation of the plant requires an immense amount of equipment and support services, which were targeted for strengthening as part of the earthquake retrofit.
Once into the construction phase, maintaining open lines of communication were essential in completing the project while the plant was up and running.
SCOPE OF SERVICES
CCS Group worked with Allen & Hoshall of Memphis, TN to provide design documents for the construction of seismic strengthening and safety upgrades. The following tasks were completed as part of the project:
- Emergency exits, signage, and egress routes were updated to comply with the 2003 International Building Code.
- Several site visits were made to the plant to identify architectural, mechanical, electrical, and fire protection equipment and systems that posed a life-safety risk to Marvin Associates following an earthquake.
- Anchorage and bracing systems for components with a life-safety risks were designed and detailed by CCS Group considering the potential high seismic forces at the site.
- CCS Group provided Construction Project Management services for the project including assistance with bidding, conducting progress meetings, resolving field issues, and project closeout.
- CCS Group completed a CPM schedule with monthly updates which kept Marvin Windows Associates up to speed on construction progress and allowed all parties to avoid conflicts between construction and facility operations.
OUTCOMES
- Additional signage and emergency exits were installed as part of the egress upgrade.
- Seismic bracing was installed on the overhead fire piping, natural gas lines and power distribution systems to protect them during a seismic event.
- Large equipment and architectural elements were braced to prevent falling hazards and blockage of emergency exit routes following an earthquake.
- CCS Group provided detailed construction documents designating the necessary strengthening measures for construction by the contractor installing anchorage and bracing.
- CCS Group conducted progress meetings and coordinated, with updates, the CPM schedule for the project. These communication tools allowed the project to be completed without interfering with the operation of the plant.
- CCS Group and Marvin Windows continue to address the seismic risk to their facility with an upcoming structural seismic retrofit project at the plant.
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