Building Survey Report For Sample by usp13488

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									Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




                                Building Survey Report For
                                          Sample




                                     Report done by John
                                     Cannamela Level II
                                       Thermographer




 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 
                                              What is Infrared?

                           IR is part of the electromagnetic spectrum discovered in the 1800’s




                                                   IR 101
            The IR imager sees emitted energy in the IR spectrum range from (shortwave) 3-5
       microns (longwave)7-13 microns.           The amount of energy is seen through the
       imager. The reason everything thing is colored is to give the eye something to interpret.
            Interpretation is key with Thermography.

                               How Infrared can help Commissioning
    Commissioning is the process where by the system is put through its sequence of
    operation at its design. There are many tools and techniques to start up and check out
    systems. Buildings all have their own special issues not in the design, that’s why we
    commission.
                 Infrared Thermography can help as a great tool to help locate and even show why
        certain things don’t work properly.
                                Building HVAC 101 Heating
                               Ventilation & Air Conditioning
                      Buildings are conditioned by adding or removing heat from a
                     given space through a medium. In this case the medium is air.
                      The air is circulated through a refrigerated coil or DX coil or
                       chilled water coil, which removes heat and transfers the heat
                    through the refrigerant/water to the condenser coil/cooling tower,
                      via a fan/pump. Dirty filters or poor air flow causes coils to
                                      freeze and Compressor failure.


                                          Why can we see water?
       Water is a conductor and transfers heat. Heat or the lack of heat is what thermal imagers see.
     When water, a conductor, contacts a non-conductor such as wood or sheetrock-we see the heat
     transfer which can be colder or hotter than the surface of which it contacts. The color of choice
                                     for cold is blue and red for hot.



 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




                                          Sample City




                                    Thermographer Level II
                                       John Cannamela
                                    www.infraredsurvey.com
                                            704-200-6367




 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




                      Summary This 1 hour sample walkthrough revealed some minor
    issues. This is a new building with the latest technology and controls. However even the
    newest building can be fine tuned or some issues can be taken into account for future
    designs. The point of this survey is that it only took an hour with the use of the infrared
    camera and HVAC commissioning experience. This would normally involve more time.
    Energy issues have to be looked at as a system and multiplied by the scope of the project.

                                             Minor issues.
       1       Supply air Duct leak in mechanical room.
       2       Found a zone running in heat with average space temp @ 73- zone set point was
       @ 87 degrees. BAS should catch this unless the controls need to be rechecked.
       3       All thermostats are giving off heat although minor, multiple zones add up quickly
       30 stats per floor times 6 floors times “X” number of buildings and also the transformers
       needed to power zones are heat sources. The display models are a great feature however
       certain zones may not require a display.
       4       Main lobby has a throw pattern that should be more evenly distributed. The
       concentration of cold/hot air in one spot does not present the best temperature control and
       can effect condensation and warp certain materials.




 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




    Description: Mechanical Room: possible cold air leak at duct seam at wall penetration. A
       1 inch leak can add up to 1500 CFM or more, over a day’s time and creates noise.




 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




    Description: Perimeter zone is in heat. Although a minor issue if left unchecked excess
    energy loss may add up over a period of time. Building automation monitoring should catch
    these issues. Of course comfort is a factor.




 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




    Description: All the thermostats generate heat, understanding this is a function on the tstat
    .Nondisplay type thermostats would have less heat load considering there may be upwards
    of 100 or so devices in a building on 24/7 times “X” number of buildings can add up to
    quite a bit of savings.




 
Sample Leed Building Survey‐ Infraredsurvey.com    John Cannamela 2009 

 




                                    nd
    Air throw pattern in front lobby 2 level security area. This pattern would be better if
    diffused more evenly. The effect on certain materials, wood etc may cause condensation or
    warping.




 

								
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