Presentation on theme: "Subpart D Test Circle the appropriate answer and locate appropriate standard Question Standard An opening in the floor is considered a hole when it is."— Presentation transcript:
1 Subpart D TestCircle the appropriate answer and locate appropriate standardQuestionStandardAn opening in the floor is considered a hole when it ismore than 24 in.TrueFalseStairway openings do not need fall protection.Railings in Subpart D must withstand 800 lbs. thrust inany direction.The vertical posts of railings must be at 20 ft. centers.Fixed stairs must have a minimum width of 22 in.(a)(1)(a)(1)(e)(3)(iv)(e)(3)(i) & (ii) & (iii)(d)
2 Part 1910 Subpart D - Walking-Working Surfaces Definitions.General requirements.Guarding floor and wall openings and holes.Fixed industrial stairs.Portable wood ladders.Portable metal ladders.Fixed ladders.Safety requirements for scaffolding.Manually propelled mobile ladder stands and scaffolds (towers).Other working surfaces.
12 1910.22(b) - Aisles and passageways (1) Safe clearances; clean and good repair; no obstacles in aisles where mechanical handling equipment is used.(2) Aisles and passageways shall be permanently marked
13 1910.22(d) - Floor loading protection (1) Loads approved by building official shall be marked.
14 (d) (continued)(1) Signs shall be marked & affixed in conspicuous place(2) Unlawful to overload
15 1910.23 - Guarding floor and wall openings and holes
16 Guard Rail System 1910.23(a)- Protection for floor openings Mid Rail (1) Every stairway floor opening shall be guarded by a standardrailing constructed in accordance with paragraph (e) of this section.Guard Rail SystemMid RailTop RailToe Board
47 (h) Standard railingon open sides of all exposedstairways and stairplatformsHand rails provided on atleast one side of closedstairways(i) Vertical clearanceabove stair tread tooverhead obstruction - Atleast 7 feet