January/February 2023 - 79

FEATURE ARTICLE
The project site
The Benefits of Early Contractor Involvement
The Biosolids Digester Facilities Project
(BDFP) is located in southeast San
Francisco. The jobsite is bounded by
active Caltrain and Union Pacific
Railroad tracks on the west side and the
existing Southeast Treatment Plant
(SEP) on the north, south and east sides.
The existing SEP was constructed in the
1950s and portions of the facility have
reached their operational life. The $2
billion BDFP will replace and relocate
the outdated existing solids treatment
facilities with more reliable, efficient
and modern technologies and facilities.
In addition, the nearby Bayview and
Hunters Point neighborhoods will
benefit from the improved odor control.
Core Trade Partner
In 2017, the San Francisco Public
Utilities Commission (SFPUC), the
owner of the proj ec t , se l ec ted
MWH/Webcor, a joint venture, as the
construction manager general contractor
(CMGC) for the project. As part of
an alternate delivery method set forth in
the prime contract, the CMGC was
permitted to propose the use of a core
trade subcontractor partner for the
SFPUC's approval to provide preconstruction
services. The CMGC identified
three major scopes (elect r ical ,
mechanical and foundation) where a
core trade partner would be able to assist
Jobsite overview
AUTHORS Robert Small, P.E., and Ihab Allam, P.E., Malcolm Drilling Co., and Amshu Chappa, P.E., Brierley Associates
DEEP FOUNDATIONS * JAN/FEB 2023 * 79

January/February 2023

Table of Contents for the Digital Edition of January/February 2023

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January/February 2023 - Intro
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