Chapter hvac engineering Fundamentals: Part 1 Introduction


After Design: Through Construction to Operation



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HVAC HANDBOOK

After Design: Through Construction to Operation
435
desire the extra expense, although this expense is compensated for in
the long run by better system performance and more user satisfaction.
The objectives of commissioning are:

To ensure that the system design satisfies the owner’s needs.

To ensure that the system performs in accordance with the design
intent.

To require complete and detailed documentation of operation and
maintenance requirements, including reference and training man-
uals.

To provide basic training for operators and maintenance personnel.

To observe, coordinate, and document all system performance tests
(TAB). This is especially desirable in connection with DDC control
technology, to prove the proper operation of the DDC software.

To assist in the resolution of disputes, subject to the terms of the
contract documents.

To ensure compliance with all code requirements.

To advise the owner when each part of the work has been satisfac-
torily completed and can be accepted.
For these purposes the commissioning team should be selected and
paid by the owner and operate separately from the design and con-
struction teams.
Commissioning can also be applied to existing systems with some-
times amazing results in improved performance and better use of
energy. This usually happens as a study with recommendations for
redesign and upgrade, followed by implementation of the recommen-
dations.

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