25 May 2005
Change 1, 22 February 2006
Change 2, 4 December 2006
be provided for not doing so. Contact the Government reviewer to discuss any
comment that will not be incorporated, for whatever reason.
For Design-Bid-Build projects and Design-Build RFP Development, provide cost
estimates at each submittal stage in accordance with NAVFAC Cost Engineering Policy
Basis of Design.
The Basis of Design is a narrative presentation of facts sufficiently complete to
demonstrate that the project concept is fully understood and that subsequent design
details and their ultimate presentation in the final drawings and specifications will be
based on sound architectural and engineering decisions. Provide a discussion and
description of the design in each of the disciplines appropriate to the project in addition
to the guidance below. Typically, the Basis of Design is not required for development of
the RFP as the requirements are provided in the Project Program.
The Basis of Design shall be a bound document, 8 " x 11", organized by discipline.
Provide a cover sheet identifying the document as the Basis of Design, and including
the submittal stage, project title, location, A-E Contract or Construction Contract number
(Post-Award DB Contracts only), eProjects Work Order Number or Maximo number,
firm, Command, or Contractor name, and date.
Antiterrorism and Force Protection (ATFP).
The Basis of Design shall contain an Antiterrorism and Force Protection (ATFP) section
that summarizes how the design complies with DOD and Claimant requirements. As a
minimum, the summary shall include the following:
Applicable design criteria, threat level and performance objective
Facility description including occupancy classification and structural system
Site plan dimensioning stand off distances and building separations
An overview of progressive collapse analysis (if required)
Description of window and door treatments
Mechanical and utility systems
A table summarizing each criteria element, its status, and a brief explanation of
why each element is or is not in compliance
A summary of all required waivers or variances
Special design considerations and proposed design resolution