Working Surfaces

Question 1

What are the 1910.22 General Requirments (working surfaces)?

Answer 1

• Housekeeping
• Aisles and Passageways
• covers and guardrails
• floor planning protection

Question 2

What does 1910.23, guarding Floor/wall opening and Holes, require protection for?

Answer 2

(a)1 Protection for floor openings
(a)2 Every ladder, floor opening, or platform
(a)3 Every hatchway and chute (lage around)
(a)4 Every skylight floor opening
(a)5 Every pit and trapdoor

Question 3

What does 28(b)(1)(i) (walking surfaces) state?

Answer 3

“…the employer must ensure that each employee on a walking-working surface with an unprotected side or edge that is 4 feet or more above a lower level is protected from falling by one or more of the following:”

· guardrail, safety net, personal fall protection systems
· Industry: 4 feet
· Construction: 6 feet

Question 4

What are the standard railing specifications?

Answer 4

-Standard railing consists of top rail, intermediate rail, and posts and shall have a verticle height of 42 inches.

• keep objects & equipment from going off the edge
• Top rail (42”) shall be smooth surfaced.
• Intermediate rail (21”) shall be ≈ halfway between top rail and the floor.

Question 5

When are toe boards provided?

Answer 5

• Persons can pass under
• There is moving machinery
• There is equipment with which falling materials could create a hazard

Question 6

When are toe boards and railing required regardless of height?

Answer 6

open sided floors, walkways, platforms or runways above or adjacent to dangerous equipment, galvanizing tanks, degreasing units and similiar hazards

Question 7

What are the different types of portable ladders and their main hazard?

Answer 7

1. Stepladder.
2. Single ladder.
3. Extension ladder.

-main hazard is falling

Question 8

When trying to properly use ladders, what are the essentials?

Answer 8

-Placement
-Facing the ladder
-Not used as a platform
Do not use the top
-Materials of ladder

Question 9

How does one use a ladder (11)?

Answer 9

1. Used at a 4:1 pitch… not be used in a horizontal position.
2. not be used by more than one man at a time.
3. Not be placed in front of door opening, unless the doors blocked/locked.
4. Not be placed on boxes, barrels, or other bases to obtain additional height.
5. Broken or missing steps, rungs, cleats or side rails shall not be used.
6. ladder used to gain access to a roof shall extend at least 3 feet above the
   roofline and try to tie off to somewhere sturdy.
7. The user should equip all port, portable run ladders with nonslip bases, if a
   slipping hazard is present.
8. The bracing on the back legs of a stepladder are not for climbing.
9. Ladders shall not be spliced together.
10. Ladder shall not be used as braces or other than their intended purpose.
11. Tops of stepladder shall not be used as steps.

Question 10

1910.28 scaffolding general requirements

Answer 10

-footing – be on a firm foundation with base plates
-provide safe means of access
-Guard rails, mid rails, toe boards
-Have a Fully planked, work deck
-Support capability
-Don’t move horizontally
-It all starts in the first. If it is set plumbing Square, the rest will follow.

Question 11

3 good scaffolding foundations?

Answer 11

1. Mason’s adjustable.
2. Frames.
3. Hydro mobility

Question 12

What are stupid scaffolding setups?

Answer 12

-The plank is supported by an extension ladder, a close-up ladder, and a straight ladder
-The guard rails are not acceptable
-there is no stability