Supplementary conditions of the contract documents include which of the following?

Supplementary conditions of the contract documents refer to additional information included in the contract that is not covered in the general conditions. These supplementary conditions serve to customize the contract to suit the specific needs and requirements of a project.

In this context, jobsite office requirements are a key component as they detail what is expected in terms of office setup, space requirements, and any facilities that the contractor must provide on-site for project management and administration. This might include specifications about the size of the office, accessibility, or additional services that need to be available to support project personnel.

The other options, while they are important aspects of contract management, do not typically fall under supplementary conditions. Payment terms outline how and when payments will be made, and change order procedures detail how changes to the contract are to be handled. Contractor obligations refer to the duties and responsibilities imposed on the contractor, which are usually addressed in the general conditions rather than as supplementary conditions. Thus, jobsite office requirements clearly fit within the context of supplementary conditions, as they are specific to the project and tailored to its unique circumstances.