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valign="top">Lesson Learned "Engineered Sling Protection ¿ Operating Experience Level 3 (OE-3) ¿ Department of Energy - Office of Environment, Health, Safety and Security (EHSS)"</td>
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valign="top"><strong><span
style="font-size: 18px">INTERNAL MEMO</span></strong></td>
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valign="top"><span style="font-size: 14px">
<strong>April 24, 2018</strong><br>
<strong>Sent on behalf of ESH&Q</strong><br>
<strong>SUBJECT:</strong> Lesson Learned "Engineered Sling Protection ¿ Operating Experience Level 3 (OE-3) ¿ Department of Energy - Office of Environment, Health, Safety and Security (EHSS)"<br>
<strong>CONTACT:</strong> mbailey@jlab.org
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<td><a href="https://misportal.jlab.org/ll/index.jsf?function=view&lessonId=1055">Engineered Sling Protection ¿ Operating Experience Level 3 (OE-3) ¿ Department of Energy - Office of Environment, Health, Safety and Security (EHSS)</a></td>
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<h2 style="white-space:nowrap">Statement of Lessons Learned</h2>
<pre>DOE-EHSS recently issued an OE-3 Notice to raise awareness regarding slings that were damaged during rigging operations. Several incidents were reported in 2016 and 2017 that highlight the importance of selecting appropriate sling protection material based on the application and type of exposure. Engineered sling protection, when selected, inspected, and used correctly, provides protection from load edges that cause friction wear, however, no sling or sling-protection material is cut proof.
This is a summary of the notice. For a copy of the full report see attachments.
</pre>
<h2 style="white-space:nowrap">Discussion of Activities</h2>
<pre>On July 15, 2017, at the Stanford Linear Accelerator Center, a bridge crane girder dropped 15-feet from a mobile crane because dynamic forces, applied during the lift, increased the horizontal force on the slings. The slings failed when they contacted the edge of the load. (See photos in the full report attached.) There were no injuries.
On December 2, 2016, at the Separations Process Research Unit (SPRU), a 2-inch nylon rigging strap failed causing the 7,200-pound B-12 waste container, filled with lead sheet material, to drop one-foot to the floor. The waste container was rigged with two 2-inch nylon slings protected by sling softener material, inserted between the sling and the load. When the lift was initiated, the load shifted slightly, cutting the softener material and the sling on the sharp surface on the flange connection. There were no injuries.
On July 30, 2016, at Los Alamos National Laboratory (LANL), a hoisting and rigging crew drop a railroad boxcar 20-inches when the two flat nylon rigging straps were cut by a piece of angle iron on the bottom of the load. Softener material had not been placed between the angle iron and the rigging slings because the angle iron was not seen during setup. The lifting procedure did not require the lift to be paused or modified if the bottom of the object being lifted could not be seen. The drop resulted in injuries to a worker's chest, forearm, and chin.
</pre>
<h2 style="white-space:nowrap">Analysis</h2>
<pre>Improper selection, or application, of engineered sling protection resulted in load sliding, and sling failure.
Riggers did not operate within the specified sling and protection device limits. Extra-high-performance slings are available that can develop 25,000 pounds-per-inch work load limits. Web slings can develop 12,800 pounds-per-inch work load limits.
</pre>
<h2 style="white-space:nowrap">Recommended Actions</h2>
<pre>Perform a full evaluation of the loads and their interaction with the lifting surfaces. Evaluate sling protection evaluated and use an appropriate material to prevent damage to the lifting equipment and eliminate potential for a dropped load.
Additionally, consider the following:
* Protect slings with materials of sufficient strength, thickness, and construction to prevent damage from load edges, corners, protrusions, or abrasive surfaces.
* Edges, corners, and protrusions need not be razor-sharp to damage slings.
* There is no such thing as ¿cut-proof¿ protection.
* Use sling protection that is designed, tested and labeled by a manufacturer. Gloves, cardboard, shop rags, fire hose, etc., are not engineered sling protection and are unacceptable for use as sling protection.
* Abrasion protection provides little, if any, cut protection.
* Inspect slings, rigging hardware, and sling-protection for damage before any application. Remove damaged components from service.
.
</pre>
<h2 style="white-space:nowrap">JLab Preventive Measures</h2>
<pre>Mike Lowes, Jefferson Lab¿s Material Handling Equipment Subject Matter Expert, distributed this DOE EHSS OE-3 to all Jefferson Lab Certified Crane Operators, along with the attached "Spotlight Rigging" article.</pre>
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<h2>Comments</h2>
<h5 style="white-space:nowrap">4/24/2018 10:28:18 AM by Bailey, Mary Jo</h5>
<pre>Submitted to those with Material Handling Equipment certification.
SAF300: AERIAL WORK PLATFORM
SAF301: AERIAL WORK PLATFORM SUPERVISOR ORIENTATION
SAF302: AERIAL PLATFORM/MANLIFT OPERATION
SAF304: WIRE ROPE INSPECTION TRAINING
SAF401: CRANE SUPERVISOR ORIENTATION
SAF402: CRANE OPERATION AND RIGGING
SAF402-1: CRANE OPERATOR TRAINING
SAF405: MASTER RIGGING WORKSHOP
SAF501: FORKLIFT OPERATOR SUPERVISOR TRAINING
SAF502: FORKLIFT OPERATOR
SAF403: Overhead Crane Operator Qualification
SAF302A: AERIAL PLATFORM EQUIPMENT ORIENTATION-RE-QUALIFICATION
SAF502B: FORKLIFT ATTACHMENTS
SAF404: 2000# Capacity Hoisting and Lifting
SAF403X: Overhead Crane Operator Qualification-Extension</pre>
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<legend>Summary</legend>
<table>
<tr class="row">
<td class="label" nowrap>Lesson ID:</td>
<td class="dataval">1055</td>
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<tr class="row">
<td class="label" nowrap>Status:</td>
<td class="dataval">OK</td>
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<tr class="row">
<td class="label" nowrap>Doc ID:</td>
<td class="dataval">2018-JLAB-1055</td>
</tr>
<tr class="row">
<td class="label" nowrap>Priority:</td>
<td class="dataval">Best Practice</td>
</tr>
<tr class="row">
<td class="label" nowrap>Safety Related:</td>
<td class="dataval">YES</td>
</tr>
<tr class="row">
<td class="label" nowrap>Originator:</td>
<td class="dataval">Bailey, Mary Jo</td>
</tr>
<tr class="row">
<td class="label" nowrap>Issued:</td>
<td class="dataval">4/24/2018 10:20:36 AM</td>
</tr>
<tr class="row">
<td class="label" nowrap>Approved By:</td>
<td class="dataval">Bailey, Mary Jo</td>
</tr>
<tr class="row">
<td class="label" nowrap>Approved On:</td>
<td class="dataval">4/24/2018 10:28:18 AM</td>
</tr>
<tr class="row">
<td class="label">Source:</td>
<td class="dataval">
OTHER
</td>
</tr>
<tr class="row">
<td class="label" nowrap>Location:</td>
<td class="dataval">Other</td>
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<td class="label" nowrap>Cost Savings:</td>
<td class="dataval"></td>
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<tr class="row">
<td class="label" nowrap>Contact:</td>
<td class="dataval">James Lovejoy, DOE-EHSS (208)526-4516</td>
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<tr class="row">
<td class="label" nowrap>Queued Emails:</td>
<td class="dataval">255</td>
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<tr class="row">
<td class="label" nowrap>Sent Emails:</td>
<td class="dataval">0</td>
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<tr class="row">
<td class="label" nowrap>Viewings:</td>
<td class="dataval">1 times</td>
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</fieldset>
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<legend>Attachments</legend>
<a name="attachments"></a>
<ul class="lesson_attribute_listing">
<li><a target="_blank" href="https://misportal.jlab.org/ll/downloadAttachment?attachmentId=5161">OE-3 2018-03-2.pdf</a></li>
<li><a target="_blank" href="downloadAttachment?attachmentId=5162">Is_D_d_Ratio_crucial-2.pdf</a></li>
</ul>
<hr>
</fieldset>
<fieldset>
<legend>Hazard Issues</legend>
<ul class="lesson_attribute_listing">
<li>Material Handling Equipment</li>
<li>Cranes & Hoists - Critical Lift</li>
<li>Cranes & Hoists - Ordinary or Pre-Engineered</li>
</ul>
</fieldset>
<fieldset>
<legend>Skills</legend>
<ul class="lesson_attribute_listing">
<li>SAF300: AERIAL WORK PLATFORM</li>
<li>SAF301: AERIAL WORK PLATFORM SUPERVISOR ORIENTATION</li>
<li>SAF302: AERIAL PLATFORM/MANLIFT OPERATION</li>
<li>SAF304: WIRE ROPE INSPECTION TRAINING</li>
<li>SAF401: CRANE SUPERVISOR ORIENTATION</li>
<li>SAF402: CRANE OPERATION AND RIGGING</li>
<li>SAF402-1: CRANE OPERATOR TRAINING</li>
<li>SAF405: MASTER RIGGING WORKSHOP</li>
<li>SAF501: FORKLIFT OPERATOR SUPERVISOR TRAINING</li>
<li>SAF502: FORKLIFT OPERATOR</li>
<li>SAF403: Overhead Crane Operator Qualification</li>
<li>SAF302A: AERIAL PLATFORM EQUIPMENT ORIENTATION-RE-QUALIFICATION</li>
<li>SAF502B: FORKLIFT ATTACHMENTS</li>
<li>SAF404: 2000# Capacity Hoisting and Lifting</li>
<li>SAF403X: Overhead Crane Operator Qualification-Extension</li>
</ul>
</fieldset>
<fieldset>
<legend>Distribution/Notification</legend>
<ul class="lesson_attribute_listing">
<li>*Division Safety Officers (DSOs)</li>
<li>*Safety Wardens</li>
<li>*DOE Notification</li>
<li>*ESH&Q Liaisons</li>
</ul>
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