Codes and Standards

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PART 1926 -- Safety and Health Regulations for Construction

1926.752 - Bolting, riveting, fitting-up, and plumbing-up

(a)

General requirements.

(a)(1)

Containers shall be provided for storing or carrying rivets, bolts, and drift pins, and secured against accidental displacement when aloft.

(a)(2)

Pneumatic hand tools shall be disconnected from the power source, and pressure in hose lines shall be released, before any adjustments or repairs are made.

(a)(3)

Air line hose sections shall be tied together except when quick disconnect couplers are used to join sections.

(a)(4)

Eye protection shall be provided in accordance with Subpart E of this part.

(b)

Bolting.

(b)(1)

When bolts or drift pins are being knocked out, means shall be provided to keep them from falling.

(b)(2)

Impact wrenches shall be provided with a locking device for retaining the socket.

..1926.752(c)

(c)

Riveting.

(c)(1)

Riveting shall not be done in the vicinity of combustible material unless precautions are taken to prevent fire.

(c)(2)

When rivet heads are knocked off, or backed out, means shall be provided to keep them from falling.

(c)(3)

A safety wire shall be properly installed on the snap and on the handle of the pneumatic riveting hammer and shall be used at all times. The wire size shall be not less than No. 9 (B&S gauge), leaving the handle and annealed No. 14 on the snap, or equivalent.

(d)

Plumbing-up.

(d)(1)

Connections of the equipment used in plumbing-up shall be properly secured.

(d)(2)

The turnbuckles shall be secured to prevent unwinding while under stress.

(d)(3)

Plumbing-up guys related equipment shall be placed so that employees can get at the connection points.

(d)(4)

Plumbing-up guys shall be removed only under the supervision of a competent person.

..1926.752(e)

(e)

Wood planking shall be of proper thickness to carry the working load, but shall be not less than 2 inches thick full size undressed, exterior grade plywood, at least 3/4-inch thick, or equivalent material.

(f)

Metal decking of sufficient strength shall be laid tight and secured to prevent movement.

(g)

Planks shall overlap the bearing on each end by a minimum of 12 inches.

(h)

Wire mesh, exterior plywood, or equivalent, shall be used around columns where planks do not fit tightly.

(i)

Provisions shall be made to secure temporary flooring against displacement.

(j)

All unused openings in floors, temporary or permanent, shall be completely planked over or guarded in accordance with Subpart M of this part.

(k)

Employees shall be provided with safety belts in accordance with 1926.104 when they are working on float scaffolds.

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