855773644-LEED-v5-BD-C-Reference-Guide-Launch-Edition - Page 253

Extracted Content

PhaseTask DescriptionsFundamental
ASHRAE
90.1-2019
Enhanced
ASHRAE
202-2018
Minimum
Requirements as
listed
building’s high
performance. At
minimum, include a
set of blank forms
for future use by the
O&M team.

Table 2. Building Enclosure (Envelope) Tasks for EAp3: Fundamental Commissioning and EAc5: Enhanced Commissioning

PhaseTask DescriptionsFundamental
ASHRAE
90.1-2019
Enhanced
ASTM E2947-
2021
Minimum
Requirements as
listed
Identification of CxPSection
4.2.5.2, with
timing required
by LEED
Section 5.1.1,
with timing
required by
LEED
Fundamental: By
the end of design
development
phase.

Enhanced: During
predesign or very
early in the design
phase.
Predesign
(or immediately
upon CxP
engagement)
Assist in
Development/Revie
w and Update
Owner’s Project
Requirements
(OPR) to include
Envelope
Required by
LEED
Section 6.3Fundamental and
Enhanced: Include
building envelope
requirements in
OPR. OPR to be
updated as needed
during design and
construction
phases.
Design PhaseReview Basis of
Design (BOD)
Required by
LEED
Section 7.2.3Fundamental and
Enhanced: Review
BOD for compliance
with OPR related to
building envelope.
Design PhaseDevelop BECx PlanSection
4.2.5.2.1.a
Section
4.2.5.2.2.a
Section 6.5
7.3.6 (DD
phase)
7.4.5 (CD
phase)
9.6
(Construction
Phase)
Fundamental:
Development of
BECx plan.

Enhanced: Update
BECx plan at least
once per phase
(DD, CD,
Construction).

U.S. Green Building Council LEED v5 Reference Guide for Building Design and Construction, April 2025 Launch Edition 243