SR0085020 (4) - Laserfiche WebLink

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— Use flag person; — Use flashing arrow sign; — Use "MEN WORKING"signs liberally; — Obtain lane closing permits; — Engage police details. 9.1.1.2 Working at Excavation/Trenching Sites Observe the following site control practices and procedures when working in streets or roadways: • "Competent person" is required per OSHA 29 CFR 1926 Subpart P. • Safeguard open excavations by restricting unauthorized access. • Highlight work area using prominent warning signs (cones, saw horses/barricades, and signage) placed a minimum of 10 feet back from excavation opening. — Maintain zone definition along perimeter with a continuous string of yellow orange caution tape. 9.1.1.3 Excavations Left Unattended or Overnight Use one of the following methods for excavations left unattended or overnight: • Surround entire perimeter with plastic or cloth construction net fencing. Anchor fence to ground using steel posts driven into ground. Space out posts no greater than 8 feet apart. Fence height minimum 4 feet high. Fence material must be of a quality capable of withstanding a pressure of 200 pounds. Place fence a minimum of 10 feet back from excavation opening. • Place 8-foot-long barricades affixed with flashing lights end to end with 4-foot high construction net fence attached to barricades. — Use temporary curbing or concrete 'jersey" barriers affixed with flashing signal lights or other effective warning signs. 9.2 Field Communications Communications between all APTIM employees and subcontractors at the work site can be verbal and/or non-verbal. Verbal communication can be affected by the on-site background noise and various PPE. See Table 7 for a list of the type of communication methods and equipment to use, depending on site conditions. Communication equipment must be checked daily to ensure proper operation. All 9-2