Laserfiche WebLink
• Maintain zone definition along perimeter with a continuous string of yellow orange caution tape. <br /> 7.1.1.3 Excavations Left Unattended or Overnight <br /> Use one of the following methods for excavations left unattended or overnight: <br /> • Surround entire perimeter with plastic or cloth construction net fencing. Anchor fence to ground <br /> using steel posts driven into ground. Space out posts no greater than 8 feet apart. Fence height <br /> minimum 4 feet high. <br /> • Place 8-foot-long barricades affixed with flashing lights end to end with 4-foot high construction <br /> net fence attached to barricades. <br /> • Use temporary curbing or concrete "jersey" barriers affixed with flashing signal lights or other <br /> effective warning signs. <br /> 7.2 Field Communications <br /> Communications between all CB&I employees and subcontractors at the work site can be verbal and/or <br /> non-verbal. Verbal communication can be affected by the on-site background noise and various PPE. See <br /> Table 7 for a list of the type of communication methods and equipment to use, depending on site <br /> conditions. Communication equipment must be checked daily to ensure proper operation. All project <br /> personnel must be initially briefed on the communication methods prior to starting work; communication <br /> methods should be reviewed in Daily Tailgate Safety Meetings. <br /> Table 7 Field Communication Methods <br /> Telephone On-Site Or Emergency notification Initiate phone call using applicable <br /> Cellular Telephone emergency numbers <br /> Two-way Radio Emergency notification among Initiate radio communication with <br /> site personnel Code Red message <br /> Compressed Air Horn Hailing site personnel for non- One long blast, one short blast <br /> emergency <br /> Compressed Air Horn Hailing site personnel for Three long continuous blasts <br /> emergency evacuation <br /> Visual Hailing site personnel for Arms waved in circle overhead <br /> distress, need help <br /> Visual Hailing site personnel for Arms waved in criss-cross over <br /> emergency evacuation head <br /> Visual Contaminated air/strong odor Hands clutching throat <br /> Visual Break, lunch, end of day Two hands together, break apart <br /> 7-2 <br />