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Inspection Detail
Inspection: 103055620 - Superior Electric Company
Inspection Information - Office: Appleton Area Office
Site Address:
Superior Electric Company
200 Park Avenue
Brillion, WI 54110
Mailing Address:
P.O. Box 1055, Appleton, WI 54912
Union Status: Union
SIC:1731
NAICS: 0
Inspection Type: Referral
Scope: Complete
Advanced Notice: N
Ownership: Private
Safety/Health: Safety
Close Conference: 10/19/1990
Planning Guide: Safety-Construction
Emphasis:
Case Closed: 01/30/1991
| Type | Activity Nr | Safety | Health |
|---|---|---|---|
| Referral | 901552497 | Yes |
| Violations/Penalties | Serious | Willful | Repeat | Other | Unclass | Total |
|---|---|---|---|---|---|---|
| Initial Violations | 5 | 1 | 6 | |||
| Current Violations | 3 | 1 | 4 | |||
| Initial Penalty | $2,800 | $0 | $0 | $0 | $0 | $2,800 |
| Current Penalty | $1,090 | $0 | $0 | $0 | $0 | $1,090 |
| FTA Penalty | $0 | $0 | $0 | $0 | $0 | $0 |
| # | Citation ID | Citaton Type | Standard Cited | Issuance Date | Abatement Due Date | Current Penalty | Initial Penalty | FTA Penalty | Contest | Latest Event | Note |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 01001 | Serious | 19260150 A01 | 11/08/1990 | 01/14/1991 | $250 | $480 | $0 | I - Informal Settlement | ||
| 2. | 01002A | Serious | 19260404 B01 IIIA | 11/08/1990 | 11/14/1990 | $200 | $400 | $0 | I - Informal Settlement | ||
| 3. | 01002B | Serious | 19260404 B01 IIIG | 11/08/1990 | 11/14/1990 | $0 | $0 | $0 | I - Informal Settlement | Citation has been deleted. | |
| 4. | 01003 | Serious | 19260416 A01 | 11/08/1990 | 12/13/1990 | $640 | $640 | $0 | I - Informal Settlement | Citation has been deleted. | |
| 5. | 01004 | Serious | 19260416 A03 | 11/08/1990 | 01/14/1991 | $640 | $640 | $0 | I - Informal Settlement | Citation has been deleted. | |
| 6. | 01005A | Serious | 19260416 A01 | 12/04/1990 | 01/14/1991 | $640 | $640 | $0 | - | ||
| 7. | 01005B | Serious | 19260416 A03 | 12/04/1990 | 01/14/1991 | $0 | $0 | $0 | - | ||
| 8. | 02001 | Other | 19260059 H | 11/08/1990 | 12/13/1990 | $0 | $0 | $0 | - |
Investigation Summary
TWO EMPLOYEES WERE MEASURING LINE-TO-LOAD DISTANCES FOR RETROFITTING A 480-VOLT, 100-AMPERE BREAKER ONTO 200-AMPERE BUS FINGERS ON THE SECONDARY SIDE OF AN ISOLATED TRANSFORMER INSTALLED INDOORS. THEY WERE TAKING THEIR MEASUREMENTS AT AN UNGUARDED, ENERGIZED PANELBOARD IN A MAIN SUBSTATION. AN EXPLOSION AND FIRE OCCURRED, AND BOTH EMPLOYEES WERE SEVERELY BURNED. TWO 6-FOOT WOODEN FOLDING-TYPE RULES WITH BRASS TIPS AND HINGES WERE FOUND AT THE ACCIDENT SCENE. ONE OF THE RULES WAS SIGNIFICANTLY BURNED. IT WAS BELIEVED THAT AN ELECTRIC ARC OCCURRED WHEN THE TIP OF THE RULE CONTACTED LINE VOLTAGE. THIS CAUSED A FAULT AND AN EXPLOSION. A SECOND EXPLOSION WAS HEARD, AND IT WAS BELIEVED TO HAVE BEEN CAUSED BY A FAULT IN A TRANSFORMER COIL. SEVERE FIRE DAMAGE WAS EVIDENT AT THE OPEN PANELBOARD SECTIONS. THE FAULT CONTINUED THROUGH TWO SECTIONS OF THE 100-AMPERE PANELBOARD, ENDING AT AN ENCLOSED PANELBOARD SECTION. THE FAULT BLEW A HOLE THROUGH THE PANELBOARD COVER. THE 125E PRIMARY FUSES CLEARED THE FAULT. THERE WAS NO SECONDARY FUSE PROTECTION INSTALLED. BOTH EMPLOYEES WERE HOSPITALIZED FOR THEIR INJURIES. (A THIRD EMPLOYEE WAS ALSO INJURED AS A RESULT OF THE ACCIDENT, BUT THE NATURE AND CAUSE OF HIS INJURIES WERE NOT GIVEN IN THE REPORT.)
Keywords: BURN, CLOTHING, ELECTRIC ARC, ELECTRICAL, MEASURING DEVICE, POWER LINE WORKER, E PTD, SUBSTATION, ELEC UTILITY WORK, ELECTRICAL FAULT
| # | Inspection | Age | Sex | Degree of Injury | Nature of Injury | Occupation |
|---|---|---|---|---|---|---|
| 1 | 103055620 | Hospitalized injury | Burn/Scald(Heat) | Electrical power installers and repairers | ||
| 2 | 103055620 | Hospitalized injury | Burn/Scald(Heat) | Electrical power installers and repairers | ||
| 3 | 103055620 | Non Hospitalized injury | Concussion | Electricians |