TECHNICAL REPORT

CORPORATION, INC.

MAIN DISTRIBUTION CENTER

Street Road

Notown, Florida

 

Job No. 02-9999

 

Purchase Order No. <xxx-999>

 

2/01/02...Infrared scanning procedures were performed on the electrical switchgear at the above referenced facility during January 3-4, 2002.

A Raytheon PalmIR infrared camera and Scotch Heat Tracer were utilized in performing the scan.  All covers on electrical equipment were removed prior to scanning the equipment. 

The following is a listing of the equipment inspected / scanned.  Items of note are listed in red, with problem found and recommended remedial action(s).

 

Building 171 Main Electric Room – 1st floor

Building 171 Main Switch

All phases appeared very hot – it appears that the knife blades are not fully engaged.  Lots of heat present – bus in switch has turned black and is flaking.  AΦ 55º C, 800 A;  BΦ 55º C, 900 A;  CΦ 55º C, 800 A.  Ambient is 25º C.  Recommend de-energizing and performing a full inspection and electrical testing of the switch during the next possible scheduled shutdown.

 

Building 171 Main Switch

 

Panel 2

Panel 3

Panel 4

Panel 5

Panel 6

Transformer 5HL

200 A GE disconnect – could not open while energized.  No scan performed.

 

Building 171 Main Electric Room – 1st floor (continued)

Panel 1

Circuit #17 appeared hot on the line side connection.  Connection 29º C versus ambient 24º C.  Recommend de-energizing and removing circuit breaker.  Inspect line side connection and clean, reinstall and tighten.  If connection appears weak in any way, replace breaker.

 

Panel 1, circuit #17

 

Building 172 Plant – 1st floor (electrical / mechanical room)

Switchgear

Section of gear with H.W. circulating pump and chiller A and B – bus sections have pieces of plastic signs used in place of phenolic.  Recommend replacing with proper insulating material during next scheduled shutdown.

Panel 3-107

125 A breaker circuit #2 BΦ jumper found hot.  AΦ 27º C, 70 A;  BΦ 29º C, 72 A;  CΦ 26º C, 70 A.  Ambient temperature 23º C .  Recommend de-energizing, removing jumper, cleaning and reinstalling (tighten connection).

 

Panel 3-107 circuit #2

 

 

Building 183– Room 395

Panel NW-4

Circuit #1 AΦ connection found hot.  AΦ 24º C, 10 A;  BΦ 20º C, 9 A;  CΦ 12º C, 12 A.  Connection was found loose – tightened same.

 

Panel NW-4 circuit #1

 

Panel TR

Panel FV

BΦ jumper found hot.  AΦ 20º C, 14 A;  BΦ 21º C, 10 A;  CΦ 19º C, 15 A.  Recommend de-energizing, removing jumper, cleaning and reinstalling (tighten connection).

 

Panel FW jumper

 

Building 244

Room 11N panel MPA

Room 14M panel NR

Panel NP4

Panel NP2

Panel RTX

Panel CC-1

Panel CC-2

Building 244 (continued)

Panel CC-3

BΦ connection found hot.  AΦ 17º C, 10 A;  BΦ 23º C, 9 A;  CΦ 18º C, 12 A.  Connection was found loose – tightened same.

 

 

Panel CC-3 – line side connections

 

Panel 1HA

Panel 4XA

Cover needs to have longer screws installed. 

Panel FF

Panel GG

 

 

Building 417–Room 231 Staff Lounge

Panel MB

Panel LC

 

While IR scanning provides a very useful service, it is not a substitute for routine testing and maintenance.  IR scanning, when performed by a knowledgeable person using quality equipment, is an invaluable service in locating electrical "hot spots" before they create a hazard to property and life.  The infrared scan remains one of the most cost effective electrical testing services available today.

We appreciate the opportunity to be of service.  If you should have any additional questions regarding this report or the services performed, please do not hesitate to call.

 

                                                                                                Sincerely,

 

 

 

 

 

                                                                                                Gary Benzenberg, P.E.