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    Cooling Tower Construction Checklist

    Uploaded by

    Gopinath Gopi
    The document is a construction checklist for a cooling tower project that includes sections for tower information, associated systems, installation checks, electrical and controls, sensors and gages, TAB (testing, adjusting and balancing), and operational checks. It requires sign off from various contractors to confirm completion of items on the checklist and approval from the commissioning authority and owner's representative.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Cooling Tower Construction Checklist

    Uploaded by

    Gopinath Gopi
    334 views6 pages
    The document is a construction checklist for a cooling tower project that includes sections for tower information, associated systems, installation checks, electrical and controls, sensors and gages, TAB (testing, adjusting and balancing), and operational checks. It requires sign off from various contractors to confirm completion of items on the checklist and approval from the commissioning authority and owner's representative.

    Original Description:

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    Original Title

    CT Checklist

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    The document is a construction checklist for a cooling tower project that includes sections for tower information, associated systems, installation checks, electrical and controls, sensors and gages, TAB (testing, adjusting and balancing), and operational checks. It requires sign off from various contractors to confirm completion of items on the checklist and approval from the commissioning authority and owner's representative.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    334 views6 pages

    Cooling Tower Construction Checklist

    Uploaded by

    Gopinath Gopi
    The document is a construction checklist for a cooling tower project that includes sections for tower information, associated systems, installation checks, electrical and controls, sensors and gages, TAB (testing, adjusting and balancing), and operational checks. It requires sign off from various contractors to confirm completion of items on the checklist and approval from the commissioning authority and owner's representative.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    You are on page 1of 6

    Cooling Tower Construction Checklist

    Project:

    Date:
    Cooling Tower Tag:
    Building:
    Location:

    Submittal / Approvals
    Submittal. The above equipment and systems integral to them are complete and ready for functional
    testing. The checklist items are complete and have been checked off only by parties having direct
    knowledge of the event, as marked below, respective to each responsible contractor. This construction
    checklist is submitted for approval, subject to an attached list of outstanding items yet to be completed.
    A Statement of Correction will be submitted upon completion of any outstanding areas. None of the
    outstanding items preclude safe and reliable functional tests being performed. ___ List attached.

    Mechanical Contractor Date Controls Contractor Date

    Electrical Contractor Date Sheet Metal Contractor Date

    TAB Contractor Date General Contractor Date

    Construction checklist items are to be completed as part of startup and initial checkout, preparatory to
    functional testing.
    • This checklist does not take the place of the manufacturer’s recommended checkout and startup
    procedures or report.
    • If this form is not used for documenting, one of similar rigor shall be used.
    • Contractors assigned responsibility for sections of the checklist shall be responsible to see that
    checklist items by their subcontractors are completed and checked off.

    Approvals. This filled-out checklist has been reviewed. Its completion is approved with the exceptions
    noted below.

    Commissioning Authority Date Owner’s Representative Date

    Cooling Tower Construction Checklist Page 1 of 6


    Version 12/05
    Tower 1 Information
    Make Model Number
    Serial Number Capacity GPM
    Volts/Phase Function Service Area
    Motor Hp Motor Eff RPM
    Comments:

    Tower 2 Information
    Make Model Number
    Serial Number Capacity GPM
    Volts/Phase Function Service Area
    Motor Hp Motor Eff RPM
    Comments:

    Associated Checklists
    Condenser Water Pump Heat Exchanger BAS
    Condenser Water Piping Chiller
    Comments:

    Requested documentation submitted Rec’d Comments


    Manufacturer’s cut sheets
    Performance data (pump curves, coil data, etc.)
    Installation and startup manual and plan
    O&M manuals
    Factory test results
    Sequences and control strategies
    Warranty Certificate

    Comments:

    Cooling Tower Construction Checklist Page 2 of 6


    Version 12/05
    Installation Checks
    Check if Acceptable; Provide comment if unacceptable NA Comment
    General
    General appearance good, no apparent damage
    Tower foundation is installed per structural drawings
    Seismic anchoring (holdown bolts) installed per structural drawings
    Platforms, Ladders and Handrails installed per OSHA
    Manufacturer's required maintenance clearance provided
    Tower fill installed per manufacturers instructions
    Spray nozzles clean
    Distribution headers balanced
    Outlet screens clean
    Basin clean and clear of any debris
    Condenser Water system fill complete
    Condenser Water chemical treatment installed and functional
    Condenser Water filtration system installed and functional
    Condenser Water makeup water piping installed and functional
    Permanent labels affixed
    Vibration isolation installed if applicable

    Piping
    Tower piping installation checked against the drawings and all devices
    gages and appurtenances are in place
    Piping supported independently of the tower
    Piping type and flow direction labeled on piping
    Isolation valves and piping specialties installed
    Equalizer line installed and properly supported
    Overflow and drain is functional and piped to a proper discharge
    receptor
    Venting in place as required
    Condenser system flushing complete and strainers cleaned

    Fan
    Fan lubricated
    Fan drive properly aligned
    Fan turns freely, fan wheel is balanced
    Fan and Motor rotation checked
    Fan guard or shield is properly installed
    Vibration isolation devices installed and functional
    Vibration sensor is installed and wired if applicable

    Electrical and Controls

    Cooling Tower Construction Checklist Page 3 of 6


    Version 12/05
    Power disconnects located within site of the unit it controls and
    labeled
    All electric connections tight
    Grounding installed for components and unit
    Safeties installed and operational
    Starter overload breakers installed and correct size
    All control devices and wiring complete
    Control system interlocks connected and functional
    Size of overcurrent heater in motor starter correct (where applicable)
    HOA Switch installed per manufacturer’s instructions (if applicable)
    Operation of HOA switch checked in all positions
    Proper safeties in control when HOA switch in Hand position

    VFD
    Installation per manufacturer's requirements and start up instructions
    completed
    Drive location not subject to excessive moisture or dirt
    Drive location not subject to excessive temperatures
    Appropriate Volts vs. Hz curve is being used
    Drive size matches motor size
    Drive mounted on house keeping pad (if applicable)
    Cooling air flow path clean and unobstructed
    Permanent label affixed and UL stamp approved
    VFD interlocked to control system
    Unit is programmed with full written programming record on site
    Accel time set to __________ and Decel time set to __________
    Operation checked in HAND, OFF, and AUTO. As applicable
    operation also checked in BYPASS
    Where applicable, ensure safeties are active in all modes
    Coordinated with BAS for all interface ranges and signal isolation
    Restart on Power Failure parameter set to auto
    VFD powered (wired to controlled equipment)
    Grounding installed for components and unit
    Drive min and max speed set to __________ Hz min and 60 Hz max
    Security settings set per Owner direction and Password documented
    for Owner
    Drive response to loss of signal set to __________
    Output pulse resolution set to _________ MHz. (This is coordinated
    with the application to minimize audible noise and coordinated with
    driven bearing allowances.)
    Checked the input voltage with drive disconnected
    Input of motor FLA represents 100% to 105% of motor FLA rating
    Upper frequency limit set at 100%, unless explained otherwise

    Sensors and Gages

    Cooling Tower Construction Checklist Page 4 of 6


    Version 12/05
    Temperature, pressure and flow gages and sensors installed
    Piping gages, BAS and associated panel temperature and pressure
    readouts match

    TAB
    Installation of system and balancing devices allowed balancing to be
    completed following specified NEBB or AABC procedures and
    contract documents

    Operational Checks
    Check if Acceptable; Provide comment if unacceptable NA Comment
    Specified sequences of operation and operating schedules have been
    provided with all variations documented
    Specified point-to-point checks have been completed and
    documentation record submitted for this system
    Startup report completed with this checklist attached (includes full
    listing of all internal settings with notes as to which settings are BAS
    controlled or monitored and which are integral
    Startup report includes written certification from cooling tower
    manufacturer that all specified features, controls and safeties have
    been installed and are functioning properly and that the installation
    and application comply with the manufacturer’s recommendations
    Start up complete

    Sensor and Actuator Calibration


    All field-installed sensors and gages, and all actuators (dampers and valves) on this piece of equipment shall be calibrated in
    accordance with Specification Section 01810. All test instruments shall have had a certified calibration within the last 12
    months: Y/N______. Sensors installed in the unit at the factory with calibration certification provided need not be field
    calibrated.

    Sensor or Actuator Tag Location 1st Gage or Instrument Final Gage or Pass
    & Location OK BAS Value Measured Value BAS Value Y/N

    Comments:

    Cooling Tower Construction Checklist Page 5 of 6


    Version 12/05
    Cooling Tower Construction Checklist Page 6 of 6
    Version 12/05

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