4123:1-5-99 Table of standard materials and dimensions.

 

 

 

4123:1-5-99                 Table of standard materials and dimensions.

 

 

Where required by Chapter 4121:1-5 4123:1-5 of the Administrative Code, the following table to this rule shall be used.

 

Table of standard materials and dimensions*

 

Material	Clearance from moving part at all points	Largest mesh of opening allowable	Minimum gauge (U.S. Standard) or thickness	Minimum height of guard from floor or platform level
	Inches	Inches		Feet
Woven wire	Under 2	3/8	No. 16	7
	2-4	1/2	No. 16	7
	Under 4	1/2	No. 16	7
	4-15	2	No. 12	7
Expanded metal	Under 4	1/2	No. 18	7
	4-15	2	No. 13	7
Perforated metal	Under 4	1/2	No. 20	7
	4-15	2	No. 14	7
Sheet metal	Under 4		No. 22	7
	4-15		No. 22	7
Wood or metal strip crossed	Under 4	3/8	Wood 3/4 Metal No. 16	7
	4-15	2	Wood 3/4 Metal No. 16	7
Wood or metal strip not crossed	Under 4	1/2 width	Wood 3/4 Metal No. 16	7
	4-15	1 width	Wood 3/4 Metal No. 16	7
Standard guard railing*	Minimum 15

 

Maximum 20

*Guards constructed of these materials shall be securely fastened in place.

**Permissible only where indicated.

Distance of opening from hazard zone (inches)
0.5 to 1.5	0.25
Over 1.5 to 2.5	0.3725
Over 2.5 to 3.5	0.5
Over 3.5 to 5.5	0.625
Over 5.5 to 6.5	0.75
Over 6.5 to 7.5	0.875
Over 7.5 to 12.5	1.25

Over 12.5 to 15.5	1.5
Over 15.5 to 17.5	1.875
Over 17.5 to 31.5	2.125

Effective:                                                     04/10/2011

R.C. 119.032 review dates:                         03/03/2010 and 03/01/2016

CERTIFIED ELECTRONICALLY

Certification

03/10/2011

Date

Promulgated Under:                           119.03

Statutory Authority:                           4121.12, 4121.121, 4121.13

Rule Amplifies:                                  4121.47

Prior Effective Dates:                         1/1/86