Chapter 296-155 Safety standards for construction work.

Angle of loading. The acute angle between horizontal and the leg of the rigging, often referred to as horizontal angle. See Figures 7 and 22.Anti two-block device. A device that, when activated, disengages all crane functions whose movement can cause two-blocking.Basket hitch. A …

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and chapter 49.17 RCW, and 29 C.F.R. 1926, Subpart CC. WSR 13-02-068, § 296-155-337, filed 12/31/12, effective 2/1/13.]

Riggers must be a qualified person who, by possession of a recognized degree or certificate of professional standing, or who, by extensive knowledge, training, and experience, has successfully demonstrated the ability to solve or resolve problems relating the subject matter. Also…

(1) You must ensure all rigging activities covered under this part are performed by a qualified rigger or performed under the direction and supervision of a qualified rigger.(2) All slings in use must meet the applicable requirements for design, inspection, construction, testing,…

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and chapter 49.17 RCW, and 29 C.F.R. 1926, Subpart CC. WSR 13-02-068, § 296-155-338, filed 12/31/12, effective 2/1/13.]

(1) Only use chain slings that are made from grade 80 or higher alloy steel chain.(2) The following requirements must be met if manufacturing your own chain slings:(a) Have a design factor of 4;(b) Meet the rated load requirements in subsection (9) of this section.(3) Rate chain …

(1) Manufacturing wire rope slings.(a) Wire rope slings must be made from new or unused regular lay wire rope. The wire rope must be manufactured and tested in accordance with ASTM A 1023-02 and ASTM A 586.(b) The following fabrication methods must be used to make wire rope sling…

(1) Identification information on metal mesh slings. You must make sure all slings have legible identification information permanently attached to the sling which includes all of the following information:(a) Name or trademark of the manufacturer;(b) Rated loads for the types of …

(1) Identification. You must verify all slings have legible identification information attached to the sling which includes the following information:(a) Name or trademark of the manufacturer;(b) Manufacturer's code or stock number;(c) Type of fiber material;(d) Rated loads for t…

(1) Identification. You must make sure all slings have legible identification information permanently attached to the sling which includes the following information:(a) Name or trademark of the manufacturer;(b) Manufacturer's code or stock number;(c) Rated loads for the types of …

(1) Identification. All synthetic roundslings must be marked with the following information:(a) Name or trademark of the manufacturer;(b) Manufacturer's code or stock number;(c) Core material;(d) Cover material if different from core material;(e) Rated loads for the types of hitc…

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and chapter 49.17 RCW, and 29 C.F.R. 1926, Subpart CC. WSR 13-02-068, § 296-155-339, filed 12/31/12, effective 2/1/13.]

(1) Inspections.(a) A qualified person must perform an inspection on all hardware according to Table 19, each day before using. If a daily inspection is not feasible because the hardware is in a semipermanent or inaccessible location, a periodic inspection is allowed instead of d…

(1) Pins must be connected to the choking eye of the sling when a shackle is used in a choker hitch.(2) Screw pins must be:(a) Fully engaged, with the shoulder in contact with the shackle body (see Figure 16, Typical Shackle Components).(b) Rigged in a way that keeps the pin from…

(1) Turnbuckles. You must follow these rigging practices for turnbuckles:(a) Locking nuts, if used, must be compatible with the threads of the turnbuckle end. (See Figure 19, Turnbuckle Types.)(b) For long-term installations, you must secure turnbuckles in a way that prevents uns…

(1) Wire rope clips. You must follow these assembly requirements for wire rope clips:(a) Before installing a wire rope clip on plastic coated or plastic impregnated wire rope, the wire rope clip manufacturer, you must consult the wire rope manufacturer or a qualified person.(b) F…

(1) You must follow these rigging practices for links and rings:(a) The link or ring must be of the proper shape and size to make sure it seats properly in the hook or lifting device.(b) Multiple slings or rigging hardware gathered in a link or ring must not exceed a 120 degree i…

(1) The rigging block components must be fully engaged, with all fasteners and retaining devices in place and in good working order before use.(2) The rope must be in the sheave groove when the rigging block begins to take load.(3) The load line multiplied by the block load facto…

[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060 and chapter 49.17 RCW, and 29 C.F.R. 1926, Subpart CC. WSR 13-02-068, § 296-155-340, filed 12/31/12, effective 2/1/13.]

(1) Structural and mechanical lifting devices must be constructed in accordance with ASME B30.20-2010, Below-the-Hook Lifting Devices.(2) The rated load of the lifting device must be legibly marked on the main structure or on a tag attached to it where it is visible. If the lifti…

(1) Vacuum lifting devices must be constructed in accordance with ASME B30.20-2010, Below-the-Hook Lifting Devices.(2) Rated load.(a) The rated load of each lifter and each pad must be legibly marked on the main structure or on a tag attached to it where it is visible. The markin…

(1) Close proximity lifting magnets must be constructed in accordance with ASME B30.20-2010, Below-the-Hook Lifting Devices.(2) Rated load.(a) General application magnets must have the rated load (capacity) marked either on the lifting magnet or on a tag attached to it. The marki…

(1) Remotely operated lifting magnets must be constructed in accordance with ASME B30.20-2010, Below-the-Hook Lifting Devices.(2) Identification. All remotely operated lifting magnets must be marked with the following information:(a) Manufacturer's name and address;(b) Model or u…

(1) Grapples must be constructed in accordance with ASME B30.20-2010, Below-the-Hook Lifting Devices.(2) Identification. All grapples must be marked with the following information:(a) Manufacturer's name and address;(b) Serial number or unit identification;(c) Grapple weight;(d) …

(1) Condition of tools. You must maintain all hand and power tools and similar equipment, whether furnished by the employer or the employee, in a safe condition.(2) Guarding.(a) When power operated tools are designed to accommodate guards, they must be equipped with such guards w…

(1) You must not issue or permit the use of unsafe hand tools.(2) You must not use wrenches, including adjustable, pipe, end, and socket wrenches when jaws are sprung or worn to the point that slippage occurs.(3) You must not cut nails with an axe.(4) You must keep impact tools, …

(1) Electric power-operated tools.(a) Electric power operated tools must either be of the approved double-insulated type or grounded in accordance with Part I of this chapter.(b) The use of electric cords for hoisting or lowering tools must not be permitted.(2) Pneumatic power to…

[Statutory Authority: Chapter 49.17 RCW. WSR 91-11-070 (Order 91-01), § 296-155-363, filed 5/20/91, effective 6/20/91. Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 86-03-074 (Order 86-14), § 296-155-363, filed 1/21/86.]

This standard provides safety requirements for a powder actuated fastening tool or machine which propels a stud, pin, fastener, or other object for the purpose of affixing it by penetration to another object.This standard does not apply to devices designed for attaching objects t…

The purpose of this standard is to provide reasonable safety for life, limb, and property, by establishing requirements for design, construction, operation, service, and storage of powder actuated fastening tools, fasteners and power loads.[Statutory Authority: RCW 49.17.040 and …

Angle control. A safety feature designed to prevent a tool from operating when tilted beyond a predetermined angle.Approved. Meeting the requirements of this standard and acceptable to the department of labor and industries.Cased power load. A power load with the propellant conta…

(1) General.(a) The tool must be designed to prevent inadvertent actuation.(b) The tool must be designed to prevent actuation when dropped in any attitude from a height of 3 meters (10 ft) onto a smooth, hard surface such as concrete or steel, if such actuation can propel a faste…

(1) Identification of cased power loads. Cased power loads must be coded to identify power load levels by case color and power load color as specified in Table G-1.(2) Identification of caseless power loads. Caseless power loads must be coded to identify power load levels by powe…

Fasteners for use in powder actuated tools must be designed and manufactured to function compatibly with these tools and, when used in masonry, concrete, or steel, to effect properly the application for which they are recommended.[Statutory Authority: RCW 49.17.010, 49.17.040, 49…

(1) Acceptable tools. You must only use tools meeting the requirements of this standard.(2) Qualified operators. Only qualified operators must operate tools.(3) Use lowest velocity. You must use the lowest velocity class of tool that will properly set the fastener.(4) Operating l…

(1) Explosive and flammable atmospheres. You must not use the tool in an explosive or flammable atmosphere.(2) Unattended tools prohibited. You must never leave a tool unattended in a place where it would be available to unauthorized persons.(3) Fasteners in hard, brittle areas. …

(1) Use of tools. You must have the tool serviced and inspected for worn or damaged parts at regular intervals as recommended by the tool manufacturer. Prior to the tool being put back into use, you must have all worn or damaged parts replaced by a qualified person using only par…

(1) Operator qualifications. Only persons trained and authorized by the tool manufacturer or by an authorized representative of the tool manufacturer are qualified to instruct and qualify operators for the manufacturer's powder actuated tools.(2) Instructor qualifications. All au…

(1) Operator qualifications. The operator must be trained by an authorized instructor to be familiar with the provisions of this standard and the instructions provided by the manufacturer for operation and maintenance. The operator must also be capable of:(a) Reading and understa…

(1) Power. You must supply all grinding machines with sufficient power to maintain the spindle speed at safe levels under all conditions of normal operation.(2) Guarding.(a) Grinding machines must be equipped with safety guards in conformance with the requirements of American Nat…

(1) Guarding.(a) Masonry saws must be guarded by semicircular enclosures over the blade.(b) A method for retaining blade fragments must be incorporated into the design of the semicircular enclosure.(2) Safety latch. A safety latch must be installed on notched saws to prevent the …

(1) Speeds. You must not operate any saw in excess of the manufacturers recommended speed.(2) Guarding. All portable, hand held power-driven circular saws must be equipped with guards above and below the base plate or shoe. The upper guard must cover the saw to the depth of the t…

General requirements.(1) The manufacturer's rated capacity must be legibly marked on all jacks and you must not exceed this capacity.(2) All jacks must have a positive stop to prevent over-travel.(3) Specially designed jacks constructed for specific purposes must meet the approva…

(1) Application. This section applies to compressed air receivers, and other equipment used in providing and utilizing compressed air for performing operations such as cleaning, drilling, hoisting, and chipping. On the other hand, however, this section does not deal with the spec…

(1) Transporting, moving, and storing compressed gas cylinders.(a) You must ensure that valve protection caps are in place and secured.(b) When cylinders are hoisted, you must secure them on a cradle, slingboard, or pallet. You must not hoist or transport them by means of magnets…

(1) Manual electrode holders.(a) You must only use manual electrode holders which are specifically designed for arc welding and cutting, and are of a capacity capable of safely handling the maximum rated current required by the electrodes.(b) Any current-carrying parts passing th…

(1) General requirements. You must protect employees exposed to the hazards created by welding, cutting, or brazing operations by personal protective equipment in accordance with the requirements of chapter 296-800 WAC, chapter 296-24 WAC, Part I and WAC 296-800-160. Appropriate …

(1) When practical, you must move objects to be welded, cut, or heated to a designated safe location or, if the objects to be welded, cut, or heated cannot be readily moved, you must take all movable fire hazards in the vicinity to a safe place, or otherwise protected.(2) If the …

(1) Mechanical ventilation. For purposes of this section, mechanical ventilation must meet the following requirements:(a) Mechanical ventilation must consist of either general mechanical ventilation systems or local exhaust systems.(b) General mechanical ventilation must be of su…

(1) Before welding, cutting, or heating is commenced on any surface covered by a preservative coating whose flammability is not known, a test must be made by a competent person to determine its flammability. You must consider preservative coatings to be highly flammable when scra…