WFLHD Supplements for PDDM Chapter 4 - Conceptual Studies and Preliminary Design
Supplements are available for the following sections of the PDDM:
4.9.2 Program Requirements
Supplement 4.9.2.5-1 
ERFO Project Development (Acrobat, 284 KB), 55 pages
- Purpose: These procedures provide guidelines and information regarding project development procedures to be used by the Division Office when developing ERFO Plans, Specifications and Estimates.
- Approved: 9/29/1999
- Note: Formally numbered Procedure 9.7.A-1