B101 + E204: Sustainability as a Shared Objective

Caitlin Jascewsky, Product Marketing Manager, AIA Contract Documents

B101 Risk Alignment Checklist.
Do I Need an E204?

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Together, the right agreements create a framework for risk protection and cross-functional collaboration for construction projects. In our document coordination series, we highlight the essential pairings within the AIA Contract Document library.

When sustainability objectives are part of the project, E204: Sustainable Projects Exhibit pairs seamlessly with the B101: Standard Form of Agreement Between an Owner and Architect.

A Sustainable Objective might include pursuing LEED® certification or targeting measurable outcomes such as reduced energy use or improved indoor environmental quality.

E204 outlines the services, documentation, and responsibilities required to pursue that goal. It allocates responsibilities among the Owner, Architect, and Contractor and makes the Sustainability Plan part of the contract documents.

  • As the architect, you integrate sustainability measures into the design and manage the required documentation needed by certifying organizations.
  • The Contractor addresses construction-related requirements such as waste management or commissioning coordination.
  • The Owner retains responsibility for post-occupancy operations or certification decisions.

E204 provides the structure for open dialogue throughout construction. For example, imagine a project pursuing LEED® Silver certification. Midway through construction, the Contractor proposes substituting a specified flooring product due to supply chain delays. The alternative product is less expensive and available immediately, but it does not carry the same environmental declaration needed for a targeted LEED® materials credit.

Because E204 is incorporated, the roles are already defined. The Contractor evaluates availability, cost, and schedule impact. The Architect reviews whether the substitution aligns with the design intent and how it affects the LEED® documentation strategy. The Owner weighs the tradeoff: accept the substitution and potentially lose the credit, or maintain the original specification to preserve the certification target. E204 allows this process to unfold.

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