WORK PLANS - Laserfiche WebLink

Home Browse Search

L c General Safetv Rules for Contractors conductivity as often as necessary to assure safety. Portable tools and appliances protected by an approved system of double insulation need not be grounded. Extension Cords. Extension Cords shall be the three -wire type for grounded tools (two -wire 'is permissible or double -insulated tools) and shall be protected from damage; do not fasten with staples or extend across an aisleway or walkway. Wom or frayed cords shall not be used. Cords shall not be run through doorways where the door .could cut or damage them. Light Bulbs. Exposed bulbs on temporary lights shall be guarded torevent accidental contact, except where bulbs are deeply recessed in the reflector. Temporary lights shall not be suspended by their electric cards unless designed for this use. Explosion proof bulb covers shall be used when contact with flammable vapors or gases is likely and, shall meet Class I, Division I requirements. Electrical Receptacles. Receptacles for attachment plugs shall be of the approved, dead -front, concealed contact type. Where different voltages, frequencies, or types of current are supplied, receptacles shall be of such design that attachment plugs .are not interchangeable. Wet Environments. Work. done in, wet environments shall require ground fault interrupters and water -tight connectors. Emergency Equipment EARTH TECH's fire equipment is not to be moved, relocated, or otherwise rendered inaccessible unless specific permission is granted in each case by the EARTH TECH Representative. Self-contained breathing apparatus, first aid equipment, fire blankets, stretchers, eyewash fountains, and deluge showers are not to be moved, relocated, or blocked without the express permission of the EARTH TECH Representative. Excavations and Trenches Permits. Before any excavation work begins, all required permits shall be obtained. "Dig -Alert". Before any excavation work begins, the existence and location of underground .pipes, electrical conductors, etc., must be determined by Contractor who shall in turn notify the EARTH TECH Representative. - Cave In Protection. The walls and spaces of all excavations and trenches (which will be entered by people) more than 4 feet deep shall be guarded by shoring, sloping of the ground, or some other equivalent means, in accordance with Cal/OSHA regulations. Daily Inspections. Daily inspections of excavations shall be made by the Contractor. If there is evidence of possible cave-in or slide, all . work in the excavation shall cease until the -necessary safeguards have been taken. A Eggress. Trenches more than 4 feet deep shall have ladders or steps located so as to require 10 feet or less of lateral travel between means of access: Backfill. All trenches shall-lbe.backfilled as soon as practical after work is completed and all associated equipment removed. Housekeeping. All Contractor equipment, such as pipe, rebar, etc., shall be kept out of traffic lanes and access ways. Equipment shall be stored in a manner which ensures the safety of EARTH TECH and. Contractor. employees at all times. .Fall In Protection. All trenches shall be completely guarded on all sides. Standard guardrails, are preferred. However, when wooden or 'metal barricades are used for trenchguarding, they shall be spaced no further apart than 20 feet, and at least two feet from the edge of the trench. Such barricades shall be at least 36 inches high when erected. Battery -I ighted'barricades shall be used as follows: (1) A minimurri of two battery -lighted barricades shall be used at comers, one on each side of the barricade. (2) At least one battery -lighted barricade shall be used where vehicular traffic approaches the trench at right angles. (3) Where trenches parallel roadway, distance between battery -lighted barricades shall not exceed 40 feet unless this requirement conflicts with Item (1), above, and additional units are required:; (4) All battery -lighted units shall be serviced ass necessary to. ensure equipment is operating. Caution tape shall be stretched securely between barricades= The caution tape shall beat least 3/4 -inch -wide and shall be yellow or yellow and black and may have the words "CAUTION - DO NOT ENTER." Barricaded sections immediately adjacent to where pedestrians, cross trenches shall be arranged to direct pedestrians to the walkway or bridge. Encroachment. Use of other trench excavating equipment, or Storage ofi,equipment or supplies within a distance equal to the depth of the trench, will not be permitted without approval by the EARTH TECH Representative. Bridges. All pedestrian bridges shall be of sufficient . strength to prevent no greater vertical deflection than one-half inch when a 250 -pound weight is applied to the center of the bridge. Handrails .shall consist of intermediate and top rails on both sides of the bridge. The top rail shall be between 42 and 45 inches above the walking surface and be capable of GSRC4 Revised -February 9, 1998