AIA Document B121
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User Notes: (843343193)
ARTICLE 4 ADDITIONAL SERVICES
§ 4.1 The Architect may provide Additional Services after execution of a Service Agreement without invalidating the
Service Agreement. Except for services required due to the fault of the Architect, any Additional Services provided in
accordance with this Section 4.1 shall entitle the Architect to compensation pursuant to Section 9.3.
§ 4.2 Unless otherwise provided in a Service Order, upon recognizing the need to perform the following Additional
Services, as they relate to the services provided pursuant to the Service Order, the Architect shall notify the Owner
with reasonable promptness and explain the facts and circumstances giving rise to the need. The Architect shall not
proceed to provide the following Additional Services until the Architect receives the Owner’s written authorization:
.1 Services necessitated by a change in the Initial Information, previous instructions or approvals given by
the Owner, or a material change in the Project including size, quality, complexity, the Owner’s
schedule or budget for Cost of the Work, or procurement or delivery method;
.2 Services necessitated by the enactment or revision of codes, laws, or regulations, including changing or
editing previously prepared Instruments of Service;
.3 Changing or editing previously prepared Instruments of Service necessitated by official interpretations
of applicable codes, laws or regulations that are either (a) contrary to specific interpretations by the
applicable authorities having jurisdiction made prior to the issuance of the building permit, or (b)
contrary to requirements of the Instruments of Service when those Instruments of Service were
prepared in accordance with the applicable standard of care;
.4 Services necessitated by decisions of the Owner not rendered in a timely manner or any other failure of
performance on the part of the Owner or the Owner’s consultants or contractors;
.5 Preparing digital models or other design documentation for transmission to the Owner’s consultants
and contractors, or to other Owner-authorized recipients;
.6 Preparation of design and documentation for alternate bid or proposal requests proposed by the Owner;
.7 Preparation for, and attendance at, a public presentation, meeting or hearing;
.8 Preparation for, and attendance at, a dispute resolution proceeding or legal proceeding, except where
the Architect is party thereto;
.9 Evaluation of the qualifications of entities providing bids or proposals; or
.10 Consultation concerning replacement of Work resulting from fire or other cause during construction.
.11 Assistance to the Initial Decision Maker, if other than the Architect;
.12 Services necessitated by replacement of the Construction Manager or conversion of the Construction
Manager as constructor project delivery method to an alternative project delivery method;
.13 Services necessitated by the Owner’s delay in engaging the Construction Manager;
.14 Making revisions to the Drawings, Specifications, and other documents resulting from agreed-upon
assumptions and clarifications included in the Guaranteed Maximum Price Amendment or Control
Estimate; and
.15 Making revisions to the Drawings, Specifications, and other documents resulting from substitutions
included in the Guaranteed Maximum Price Amendment or Control Estimate.
.16 Making revisions in Drawings, Specifications, or other documents (as required pursuant to Section
6.7), when such revisions are required because the Construction Manager’s estimate of the Cost of the
Work, Guaranteed Maximum Price proposal, or Control Estimate exceeds the Owner’s budget, except
where such excess is due to changes initiated by the Architect in scope, capacities of basic systems, or
the kinds and quality of materials, finishes, or equipment;
§ 4.2.1 To avoid delay in the Construction Phase, the Architect shall provide the following Additional Services, notify
the Owner with reasonable promptness, and explain the facts and circumstances giving rise to the need. If, upon
receipt of the Architect’s notice, the Owner determines that all or parts of the services are not required, the Owner shall
give prompt written notice to the Architect of the Owner’s determination. The Owner shall compensate the Architect
for the services provided prior to the Architect’s receipt of the Owner’s notice:
.1 Reviewing a Construction Manager’s submittal out of sequence from the submittal schedule approved
by the Architect;
.2 Responding to the Construction Manager’s requests for information that are not prepared in accordance
with the Contract Documents or where such information is available to the Construction Manager from
a careful study and comparison of the Contract Documents, field conditions, other Owner-provided
information, Construction Manager-prepared coordination drawings, or prior Project correspondence
or documentation;