Inspection Detail

Inspection: 3286606 - Prescott Towers Ltd.

Inspection Information - Office: Vt Department Of Labor - Vosha

Inspection Nr: 3286606

Report ID: 0155010

Date Opened: 04/05/1986

Site Address:
Prescott Towers Ltd.
Malletts Bay Avenue
Colchester, VT 05446

Mailing Address:
Rr#3, Box 4948, Rutland, VT 05701

Union Status: NonUnion

SIC:1799

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 06/23/1986

Planning Guide: Safety-Construction

Emphasis:

Case Closed: 06/23/1986

Related Activity
Type	Activity Nr	Safety	Health
Accident	360602031

Investigation Summary

Investigation Nr: 14468128

Event: 04/05/1986

RADIO TOWER COLLAPSE

A 415' RADIO TOWER WAS BEING ERECTED IN A SWAMP. ONE OF THE THREE TIEDOWN ANCHORS, SPACED 120' APART AND 280' FROM THE TOWER BASE, FAILED WHILE EMPLOYEES #1 AND #2 WERE ON THE TOWER AND TIED OFF AT 220' AND 240' ELEVATIONS RESPECTIVELY. BOTH EMPLOYEES, AFTER RIDING THE TOWER DOWN, DIED ON IMPACT OF MULTIPLE BLUNT TRAUMA. TWO 100' HIGH-STRENGTH WIRE STRAND CABLES (.6"7-WIRE), PROTRUDING 6' FROM A MINI-CAISSON (5 1/2" CASING) DRILLED AT 38' FROM THE HORIZONTAL, WERE NOT IN CONTINUOUS LENGTHS. A PROTRUDING 6' TIEDOWN CABLE PULLED OUT OF A "SUPREME" ONE-TIME-USING (OUT) SPLICE CHUCK #S740 LOCATED JUST 6" INSDE OF CASING. BOTH CABLES WERE TESTED AT 125% OF THE DESIGN LOAD SIMULTANEOUSLY RATHER THAN INDEPENDENTLY. TOWER ERECTION AND ANCHOR INSTALLATION PERFORMED BY SEPARATE CONTRACTORS.

Keywords: ERECTION PROCESS, COLLAPSE, CONSTRUCTION, STEEL ERECTION, FALL, TOWER

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	3286606			Fatality	Other	Construction trades, n.e.c.
2	3286606			Fatality	Other	Construction trades, n.e.c.

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