An official website of the United States government
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
WFLHD Supplement 1.1.6-1
Purpose: The purpose of this supplement is to describe the methodology for issuing WFLHD Supplements to the PDDM.
Approved: 11/17/2020
Pages: 3
Documents:
Supplement Template (WFLHD) - used to create new supplements
Transmittal Memo (WFL...
WFLHD Supplement 9.6.4.5-1
Purpose: This Supplement describes the WFLHD process for final approval of the PS&E package and hand-off to Acquisitions for preparation of the solicitation package.
Approved: 3/11/2019
Pages: 2
Documents:
WFLHD-2...
EFLHD Supplement 9.6.8.4.3-1
Purpose: This supplement instructs the designer on the addition of contingencies to the Class A construction cost estimates.
Approved: 4/11/2019
Pages: 1
CFLHD Supplement 1.1.6-1
Purpose: The purpose of this supplement is to describe the methodology for issuing CFLHD Supplements to the PDDM.
Approved: 8/23/2007
Pages: 4
Documents:
CFL Supplement Template
CFL Transmittal Memorandum
CFLHD Supplement 4.4.1-1
Purpose: This supplement provides guidance for using the AASHTO Guidelines for Geometric Design of Very Low-Volume Local Roads (ADT ¤400)
Approved: 11/21/2008
Pages: 1
CFLHD Supplement 11.4.2-1
Purpose: This supplement describes guidelines on the use of the catalog method for aggregate surfacing thickness design.
Approved: 10/18/2010
Pages: 5