SECTION 01660
TESTING, ADJUSTING, BALANCING (TAB) AND COMMISSIONING OF SYSTEMS
PART 1 - GENERAL
1.01
RELATED DOCUMENTS
A.
1.02
1.03
Drawings and General Provisions of the Contract, including General Conditions
and other Division 1 Specification Sections, apply to the Work of this Section.
RELATED WORK
A.
Division 15 Specifications: Section 15010, General Provisions.
B.
Division 15 Specifications: Section 15900, Automatic Temperature Controls.
WORK DESCRIPTION
A.
The contractor shall be responsible for coordination with the Testing, Adjusting
and Balancing (TAB) Contractor and Commissioning Authority (CA) to perform
the work in Division 15000.
B.
Testing, Adjusting and Balancing
1.
Fairfax County Public Schools shall contract for the services of an
independent balancing agency to perform the operations required for
testing, adjusting, and balancing of HVAC systems and related work to
prove the performance of the systems as shown on the Contract
Documents. The Contractor and all associated sub-contractors shall
coordinate their work with the balancing agency procedure and protocols.
The Contractor and all associated sub-contractors shall provide a
minimum of five working days notice in both writing and electronic format
to the Fairfax County Public Schools Project Manager and the Fairfax
County On-Site Field Representative that the system(s) installations are
complete and accessible for testing, adjusting, and balancing.
Projects which incorporate phased construction shall have each HVAC
system, in the respective phase, air balanced prior to occupancy with all
deficiencies corrected. Water balance for each respective phase shall be
considered preliminary with the final water balance to be completed after
the last phase of construction has been completed.
2.
The balancing agency shall submit for review to the Fairfax County Public
Schools Project Manager an acceptable procedure for performing the
testing, adjusting, and balancing work within thirty (30) days after the
agreement between the Fairfax County Public Schools and the
Contractor has been signed. This procedure shall be forwarded to the
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SECTION 01660
Contractor for coordination of his installations within sixty (60) days after
the agreement between the Fairfax County Public Schools and
Contractor has been signed. A pre-conference testing, adjusting, and
balancing meeting including, but not limited to representatives of the
Fairfax County Public Schools Project Manager, the Fairfax County OnSite Field Representative, the Contractor, the Sub-Contractors and the
Architect/Engineer shall be conducted to review the procedure plan and
schedule within ninety (90) days after the agreement between the Fairfax
County Public Schools and Contractor has been signed.
3.
C.
The contractor shall make all the correction to the HVAC system to
satisfy the deficiencies noted in the TAB report.
Commissioning
1.
The Fairfax County Public Schools Office of Design and Construction
shall perform the building commissioning and shall act as the CA. The
contractor and all associated sub-contractors shall be responsible for
participation and coordination within the Commissioning process
including but not limited to;
a.
Division 15000 (General)
1)
In each purchase order or subcontract written, include
requirements
for
submittal
data,
commissioning
documentation, O&M data and training.
2)
Attend commissioning scoping meeting and other
meetings necessary to facilitate the commissioning
process.
3)
Provide the CA with normal cut sheets and shop drawing
submittals of commissioned equipment.
4)
Provide additional requested documentation, prior to
normal O&M manual submittals, to the CA for
development of start-up and functional testing procedures.
a)
This is to include detailed manufacturer installation
and start-up, operating, troubleshooting and
maintenance procedures, full details of any ownercontracted tests, fan and pump curves, full factory
testing reports, if any, and full warranty information,
including all responsibilities of the Owner to keep
the warranty in force clearly identified. In addition,
the installation, start-up and checkout materials
that are actually shipped inside the equipment and
the actual field checkout sheet forms to be used by
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the factory or field technicians shall be submitted to
the CA.
b)
b.
This contractor shall submit to the CA any
additional requested documentation deemed
necessary by the CA.
5)
Provide a copy of the O&M manuals and submittals of
commissioned equipment, through normal channels, to the
CA for review and approval.
6)
Assist (along with the design engineers) in clarifying the
operation and control of commissioned equipment in areas
where the specifications, control drawings or equipment
documentation is not sufficient for writing detailed testing
procedures.
7)
Develop a full start-up and initial checkout plan using
manufacturer’s start-up procedures and the prefunctional
checklists from the CA for all commissioned equipment.
Submit to CA for review and approval prior to start-up.
8)
During startup and initial checkout process, execute the
mechanical-related portions of the prefunctional checklists
for all commissioned equipment.
9)
Perform and clearly document all completed startup and
system operational checkout procedures, providing a copy
to the CA.
10)
Address current A/E punchlist items before functional
testing. Air and water TAB shall be completed with
discrepancies and concerns remedied before functional
testing of the respective air to water related items.
11)
Provide skilled technicians to perform functional
performance testing under the direction of the CA. Assist
the CA in interpreting the monitoring data, as necessary.
12)
Correct deficiencies (differences between specified and
observed performance) as interpreted by the CA, CM and
A/E and retest the equipment.
Division 15000 (Automatic Temperature Controls)
1)
Provide the following approved
Commissioning Authority;
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submittals
to
the
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TESTING, ADJUSTING, BALANCING (TAB) AND COMMISSIONING OF SYSTEMS
SECTION 01660
a)
Hardware and software submittals.
b)
Control panel construction shop drawings.
c)
Narrative description of each control sequence for
each piece of equipment controlled
d)
Diagrams showing all control points, sensor
locations, point names, actuators, controllers and,
where necessary, points of access, superimposed
on diagrams of the physical equipment.
e)
Logic diagrams showing the logic flow of the
system.
f)
A list of all control points, including analog inputs,
analog outputs, digital inputs, and digital outputs.
Include the values of all parameters for each
system point. Provide a separate list for each
standalone control unit.
g)
A complete control language program listing
including all software routines employed in
operating the control system. Also provide a
program write-up, organized in the same manner
as the control software. This narrative shall
describe the logic flow of the software and the
functions of each routine and sub-routine. It should
also explain individual math or logic operations that
are not clear from reading the software listing.
h)
Hardware operation and maintenance manuals.
i)
Application software and project applications code
manuals.
2)
Verify proper installation and performance of controls I
BAS hardware and software provided by others.
3)
Integrate installation and programming schedule with
construction and commissioning schedules.
4)
Provide a control system technician and a control system
programmer for use during system verification and
functional performance testing.
5)
Additional trend logs may be required to facilitate the
commissioning process.
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6)
Manipulate control systems to facilitate verification and
performance testing.
7)
Participate in the
performance testing.
“Opposite
Season”
functional
PART 2 - PRODUCTS
2.01
NOT APPLICABLE
PART 3 - EXECUTION
3.01
NOT APPLICABLE
END OF SECTION
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