Attachment 8 Infrared Thermographic Survey On April 20th, 2016, a RETAP team performed an Energy Efficiency, Waste Reduction and Pollution Prevention ...
Attachment 8 Infrared Thermographic Survey On April 20th, 2016, a RETAP team performed an Energy Efficiency, Waste Reduction and Pollution Prevention assessment. As part of the assessment, an infrared thermographic survey was performed. The following pages detail the results of the survey. Infrared thermography involves recording and analyzing thermographic images of the heat signature of various parts of the building envelope, motors and other electric or mechanical components. With the information contained in the thermographic images and dimensional measurements, the heat flow into or out of the building can be calculated. The proper measures to counteract the heat transfer and payback period can be easily determined. Also by using the infrared camera, potential component problem areas can be identified prior to equipment failure. This is useful to schedule planned service periods rather than the unpredictable shut down of facilities or production. For ease of identification of component and location, a visible image .jpeg is included. During the RETAP assessment the following items were identified which should be further investigated or rectified: Pages 2-8 -- Building envelope issues Page 9 -- Air leak Pages 10-12 -- Electrical All images recorded will be provided with the hard copy of the report. These can be viewed using any photo imaging software. For analyzing the thermal images, software is available for free download from www.flir.com.
1/12
Measurements Sp1
°F
4/20/2016 4:32:18 PM
°F 63.6
62.4
Parameters Emissivity Refl. temp.
0.95 68 °F
Sp1
FLIR0320.jpg
FLIR E6
56.3 63938450
4/20/2016 4:32:18 PM
FLIR0320.jpg
FLIR E6
63938450
Damaged or missing threshold plate. Heat loss Q = h * A * dT = (18 BTU/hr * ft * ft * F) * (3 ft * 0.166 ft) * (68F - 40F) = ~250 BTU/hr Where h = heat transfer coefficient of air, A = area in sq. ft. and dT = temperature difference. Recommendation: Repair or replace threshold plate. Note: Heat loss will increase with greater temperature difference and building air pressure.
2/12
Measurements Sp1
°F
4/20/2016 4:33:06 PM
°F 65.4
61.6
Parameters Emissivity Refl. temp.
0.95 68 °F
Sp1
FLIR0322.jpg
58.1 63938450
FLIR E6
4/20/2016 4:33:06 PM
FLIR0322.jpg
FLIR E6
63938450
Excessive heat loss through single pane glass windows. Air infiltration through old worn seals. Q = k*A*dT/s = (1.13 BTU/hr*F*ft) * (48 sq ft) * (70F - 40F)/(0.0208 ft) = ~78,000 BTU/hr heat loss Where q = heat loss (BTU/hr), k = thermal conductivity of glass, A = area (sq ft), dT = temperature difference and s = thickness of single pane glass (ft). Recommendation: Replace with energy efficient window or seal during heating season.
3/12
Measurements Bx1
Min
°F
4/20/2016 5:05:07 PM
°F 61.0
56.8
Parameters Emissivity Refl. temp.
0.95 68 °F Bx1
FLIR0344.jpg
FLIR E6
53.6 63938450
4/20/2016 5:05:07 PM
FLIR0344.jpg
FLIR E6
63938450
Heat loss through damaged or missing door seals. Heat loss q = h * A * dT = (18 BTU/hr * ft * ft * dT) * (10 sq ft) * (70F - 40F) = ~5,400 BTU/hr Where h = heat transfer coefficient of air, A = area in sq ft, dT = temperature difference. Recommendation: Repair or replace door gaskets and seals. Note: Heat loss will increase with greater temperature difference and building air pressure.
4/12
Measurements Sp1
°F
4/20/2016 4:37:46 PM
°F 63.8
59.0
Parameters Emissivity Refl. temp.
0.95 68 °F
Sp1
FLIR0330.jpg
FLIR E6
56.5 63938450
4/20/2016 4:37:46 PM
FLIR0330.jpg
FLIR E6
Structural steel conducting heat from outside to inside of building.
Recommendation: Insulate column with expanding foam insulation.
5/12
63938450
Measurements Bx1
°F
Max
72.2
Min
67.1
Average
69.8
Sp1
4/20/2016 4:42:31 PM
°F 73.0
72.2
Parameters Emissivity Refl. temp.
0.95 68 °F
Sp1
Bx1
FLIR0332.jpg
FLIR E6
65.7 63938450
4/20/2016 4:42:31 PM
FLIR0332.jpg
FLIR E6
63938450
Cold air infiltration (wispy blue area within box) at rim joist junction between block wall and structural panels.
6/12
Measurements Sp1
°F
4/20/2016 4:42:54 PM
°F 76.8
71.4
Parameters Emissivity Refl. temp.
0.95 68 °F
Sp1
FLIR0334.jpg
FLIR E6
64.1 63938450
4/20/2016 4:42:54 PM
FLIR0334.jpg
FLIR E6
63938450
Exhaust fan damper not sealing properly. Heat loss q = h * A * dT = (18 BTU/hr * ft * ft * F) * ( 4 sq ft) * (70F - 40F) = ~2160 BTU/hr Where h = heat transfer coefficient of air, A = area in sq ft, dT = temperature difference. Recommendation: Repair or replace damper. Note: Heat loss will increase with greater temperature difference and building air pressure.
7/12
Measurements Bx1
Min
Sp1
°F
4/20/2016 4:44:01 PM
°F 66.5
59.2 59.3
Parameters Emissivity Refl. temp.
0.95 68 °F Bx1
Sp1
FLIR0338.jpg
FLIR E6
58.2 63938450
4/20/2016 4:44:01 PM
FLIR0338.jpg
FLIR E6
63938450
Missing threshold plate. Heat loss q = h * A * dT = (18 BTU/hr * ft * ft * dT) * ( 3 ft*0.25 ft) * (70F - 40F) = ~405 BTU/hr Where h = heat transfer coefficient of air, A = area in sq. ft., dT = temperature difference. Recommendation: Replace missing threshold plate and install door sweep. Note: Heat loss will increase with greater temperature difference and building air pressure.
8/12
Measurements Bx1
°F
Max
66.2
Min
64.0
Average
65.3
Sp1
4/20/2016 4:35:00 PM
64.5 Bx1
Parameters Emissivity Refl. temp.
°F 68.6
Sp1
0.95 68 °F
FLIR0328.jpg
FLIR E6
61.2 63938450
4/20/2016 4:35:00 PM
FLIR0328.jpg
FLIR E6
63938450
Apparent air leak on sandblaster. Blue (cooler) temperature due to escaping air impinging on metal surfaces. Recommendation: Verify using alternate methods (soap bubbles, ultrasonic leak detector). Repair connection. Institute leak detection program as recommended in Compressed Air section of main assessment report.
9/12
Measurements Bx1
Max
°F
4/20/2016 5:03:25 PM
°F 87.7
84.8 Bx1
Parameters Emissivity Refl. temp.
0.95 68 °F
FLIR0342.jpg
FLIR E6
59.1 63938450
4/20/2016 5:03:25 PM
FLIR0342.jpg
Machine transformer operating within parameters.
10/12
FLIR E6
63938450
Measurements Bx1
Min
Sp1
°F
4/20/2016 5:07:40 PM
66.7 74.7
Bx1
Parameters Emissivity Refl. temp.
°F 82.2
Sp1
0.95 68 °F
FLIR0348.jpg
FLIR E6
60.1 63938450
4/20/2016 5:07:40 PM
FLIR0348.jpg
FLIR E6
Lighting contactor. Verify load on contactor (inside or outside). Note: For accurate measurements remove cover and expose wiring.
11/12
63938450
Measurements Bx1
Min
°F
4/20/2016 5:21:37 PM
°F 83.3
74.6
Parameters Emissivity Refl. temp.
0.95 68 °F Bx1
FLIR0354.jpg
FLIR E6
72.9 63938450
4/20/2016 5:21:37 PM
FLIR0354.jpg
FLIR E6
63938450
Networking hub and data center. Additional air flow provided by floor fan. Recommendations: Provide proper ventilation for data center cooling. (a) Consider feasibility of using outside air ducted into data center enclosure. Warmed air could then be ducted into the machining area. (b) Move data center and hub away from walls to ensure proper airflow around unit. (c) Close off any heating ductwork entering room. (d) Installation of wall mount air conditioning unit with condenser outside.
