Grade of Building

Base
Relocatable Buildings *
Average grade of construction and design. Commonly seen modular buildings.

Mid-Grade
Relocatable Buildings *
Better architectural design, with additional exterior and interior design considerations.

Premium
Permanent Modular Construction
Custom design and higher quality finish work, MEP design, fixtures and options.

Elite
Permanent Modular Construction
Custom design and highest quality finish work, MEP design, fixtures and options.

* These grades can still be permanently installed.

How long will the building last?

50 + year lifespan dependent upon:

Exposure Conditions: The environment
Internal Environment: Dry and free of corrosion.
Advancements in Technology: Equipment or systems supported by manufacturers or technology has become obsolete.
Specification and Design: Use what it was actually designed for.
Vacant Buildings: Unoccupied then its systems risk malfunction.
Hours of Operation: If the building operated 24/7, it will have a much shorter life expectancy.
Quality of Installation: If a high standard of installation and quality control
Maintenance: Strict adherence to a maintenance plan
Interior finishes 5-10 years
Roof and the mechanical systems 20 years
Windows, siding, electrical systems 30 years
Building structure As long as they are protected
Foundations Forever
Resource Data: Assessing the Durability and Life Cycle of Modular Construction http://www.modular.org/marketing/documents/Durability_Paper.pdf Permanent Modular Construction http://www.modular.org/documents/document_publication/mbi_sage_pmc_2017_reduced.pdf Relocatable Buildings http://www.modular.org/HtmlPage.aspx?name=ModularAdvantage_3Q_2017_redirect
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