Accident Report Detail

Accident Summary Nr: 201505716 - Employee Is Injured in Fall from Ladder

Accident Summary Nr: 201505716 -- Report ID: 0950614 -- Event Date: 07/18/2005
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
307338293	07/19/2005	1622	237310	Kfmbbp Skyway

Abstract: Employee #1 and a coworker were performing posttensioning work by installing and stressing the D-tendons through a bridge segment at Pier 7 East. The D-tendon cable is mounted on a decoiler and the pulling eye of the tendon is attached to a "fish" line which is first run through the tendon ducts. A winch on the other end of the cantilevered segment then pulls the fish line and the D-tendon through the segment. Usually, access to the D-tendon openings is provided by a platform that hangs on the end of the segment which includes a swing stage that the workers use to route the tendons through the segment. This day the tendons were being run through a "hinge" segment, so the tendons had to be snaked through the openings on the end of the segment before being run up and into the tendon ducts inside the segment. Employee #1 and the coworker had not performed this work inside a hinge segment before. They had seen others do it before, but those workers had worked off scaffolding platforms inside the segment. Employee #1 and a coworker were directed to thread the tendons into the ducts (14 ft 7 in. above the floor) by working from a 12-ft A-frame ladder left inside the segment. Employee #1 was threading the fish line and the attached D-tendon through the duct when the tendon got caught on the duct. The tendon was hanging slack between Employee #1 and the ladder, but the line had come under tension between the duct opening and the winch on the other end of the cantilevered segment. Employee #1 then used the Burke bar with two hands to try to unhook the tendon from the duct opening. When Employee #1 could not unhook the tendon, he started to climb down the ladder. At this point, the tendon pulled into the duct and the slack between Employee #1 and the ladder was pulled taut lifting Employee #1 up and off the ladder. Employee #1 fell backwards approximately 8 ft landing an uneven surface below injuring his head and legs. Employee #1 sustained a dislocation of his hip, internal derangement of his knee and trauma to his head. Employee #1 was hospitalized.

Keywords: KNEE, HEAD, DUCT, LADDER, CONSTRUCTION, DISLOCATED, FALL, BRIDGE, HIP

Accident Details
End Use		Project Type		Project Cost	Stories	Non-building Height	Fatality
Bridge		New project or new addition		$20,000,000 and over		100

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation	Construction
1	307338293			Hospitalized injury	Dislocation	Construction trades, n.e.c.	Distance of Fall: feet Worker Height Above Ground/Floor: 8 feet Cause: Emplacing reinforcing steel Fatality Cause: Fall from/with ladder

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