Chapter 296-155 Safety standards for construction work.

This part sets forth requirements to protect employees from hazards associated with demolition operations.Competent person. One who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous t…

(1)(a) Prior to permitting employees to start demolition operations, a competent person must perform an engineering survey of the structure(s) to determine the condition and structural integrity of the framing, floors, walls, and the possibility of unplanned collapse of any porti…

(1) You must only use those stairways, passageways, and ladders, designated as means of access to the structure of building. Other access ways must be entirely closed off at all times.(2) You must periodically inspect all stairs, passageways, ladders and incidental equipment ther…

(1) You must not drop any material to any point lying outside the exterior walls of the structure unless the area is protected in accordance with WAC 296-155-775(12).(2) All materials chutes, or sections thereof, at an angle of more than 45° from the horizontal, must be entirely …

Any openings cut in a floor for the disposal of materials must be no larger in size than 25% of the aggregate of the total floor area, unless the lateral supports of the removed flooring remain in place. Floors weakened or otherwise made unsafe by demolition operations must be sh…

(1) You must not permit masonry walls, or other sections of masonry, to fall upon the floors of the building in such masses as to exceed the safe carrying capacities of the floors.(2) You must not permit any wall section, which is more than one story in height, to stand alone wit…

(1) Openings cut in a floor must extend the full span of the arch between supports.(2) Before demolishing any floor arch, you must remove debris and other material from such arch and other adjacent floor area. You must provide for planks not less than two inches by 10 inches in c…

(1) You must not use mechanical equipment on floors or working surfaces unless such floors or surfaces are of sufficient strength to support the imposed load.(2) Floor openings must have curbs or stop-logs to prevent equipment from running over the edge.(3) Mechanical equipment u…

(1) During the demolition of the exterior walls of a structure originally more than 70 feet high, you must erect catch platforms along the exterior faces of such walls where necessary to prevent injury to persons working below.(2) You must construct and maintain such catch platfo…

(1) The storage of waste material and debris on any floor must not exceed the allowable floor loads.(2) In buildings having wooden floor construction, the flooring boards may be removed from not more than one floor above grade to provide storage space for debris, provided falling…

(1) When floor arches have been removed, you must provide planking in accordance with WAC 296-155-800(2) for the workers engaged in razing the steel framing.(2) Cranes and derricks used must meet the requirements specified in Part L of this chapter. Other hoisting equipment must …

(1) You must not permit any workers in any area, which can be adversely affected by demolition operations, when balling or clamming is being performed. You must only permit those workers necessary for the performance of the operations in this area at any other time.(2) The weight…

Selective demolition by explosives must comply with chapter 296-52 WAC.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 16-09-085, § 296-155-830, filed 4/19/16, effective 5/20/16. Statutory Authority: RCW 49.17.040 and 49.17.050. WSR 86-03-074 (Order 86-1…

(1) Coverage.(a) This section applies to the following types of material handling equipment: To all rubber-tired, self-propelled scrapers, rubber-tired front-end loaders, rubber-tired dozers, wheel-type agricultural and industrial tractors, crawler tractors, crawler-type loaders,…

(1) Definitions applicable to this section. For purposes of this section, "vehicle weight" means the manufacturer's maximum weight of the prime mover for rubber-tired self-propelled scrapers. For other types of equipment to which this section applies, "vehicle weight" means the m…

(1) Definitions applicable to this section. Agricultural tractor. As defined by SAE J333a, Operator Protection for Wheel-Type Agricultural and Industrial Tractors (July 1970), a "wheel-type vehicle of more than 20 engine horsepower designed to furnish the power to pull, carry, pr…

(1) General.(a) Purpose. When overhead protection is provided on wheel-type agricultural and industrial tractors, the overhead protection must be designed and installed according to the requirements contained in this section. The provisions of WAC 296-155-955 for rubber-tired doz…