La. Admin. Code tit. 28 § CXXXIII-2519

Current through Register Vol. 50, No. 11, November 20, 2024
Section CXXXIII-2519 - Woodworking Machinery
A. General Machine Construction

Circle the Appropriate Answer

1. Is each machine constructed and installed so it is free from sensible vibration when the largest tool is mounted and run at full speed?

Y N N/A

2. Are arbors and mandrels constructed to have firm and secure bearing and be free from play?

Y N N/A

3. Are saw frames on tables constructed with lugs cast on the frame or with equivalent means to limit the size of the saw blade that can be mounted?

Note: This is done to avoid overspeed caused by mounting a saw larger than intended .

Y N N/A

4. Are circular saw fences constructed so they can be firmly secured to the table without changing their alignment with the saw?

Y N N/A

5. Are circular saw gauges constructed so they slide in grooves or tracts that are securely machined, to ensure exact alignment with the saw for all positions on the guide?

Y N N/A

6. Are hinged table saws constructed so that the table can be firmly secured in any position and in true alignment with the saw?

Y N N/A

7. Are all belts, pulleys, gears, shafts, and moving parts guarded?

Y N N/A

8. Is each woodworking machine provided with a disconnect switch that can be locked in the off position?

Note: The construction standard 1926-304 permits a disconnect switch that can be tagged in the off position.

Y N N/A

9. Are the frames of all exposed non-current-carrying metal parts grounded?

Y N N/A

10. If the possibility exists of contacting part of a circular saw either beneath or behind the table, is that part covered with either an exhaust hood or guard?

Y N N/A

11. Are revolving double arbor saws fully guarded?

Y N N/A

12. Is the placement and mounting of saws, cutter heads, or tool collars on machine arbors accomplished when the tool has been accurately machined to size and shape to fit the arbor?

Y N N/A

13. Are combs (featherboards) or suitable higs provided at the shop or lab for use when a standard guard cannot be used, as in dadoing, grooving, joining, moulding, and rabbetting?

Y N N/A

14. Is the operating speed etched or otherwise permanently marked on all circular saws over 20 inches in diameter and operating at over 10,000 peripheral feet per minute?

Y N N/A

15. Do woodworking tools and machinery meet the American National Standards Institute (ANSI) codes for safety?

Note: A label on the equipment or manufacturer's literature might indicate that it meets ANSI's standards. If in doubt, the manufacturer of the equipment should be contacted.

Y N N/A

B. Machine Controls and Equipment

Circle the Appropriate Answer

1. Are mechanical or electrical power controls provided on each machine to make it possible for the operator to cut off the power without leaving his or her operating position?

Y N N/A

2. On machines driven by belts and shaftings, is a locking type belt shifter or equivalent positive device used?

Y N N/A

3. Is each operating treadle protected against unexpected tripping?

Y N N/A

4. Are automatic feeding devices installed on machines whenever the nature of the work permits?

Y N N/A

5. Do feeder attachments have the feed rolls or other moving parts covered or guarded to protect the operator from hazardous points?

Y N N/A

C. Inspection and Maintenance of Woodworking Machinery

Circle the Appropriate Answer

1. Are dull, badly set, improperly filed, or improperly tensioned saws immediately removed from service before they cause the material to stick, jam, or kickback when it is fed to the saw at normal speed?

Y N N/A

2. Are all knives and cutting heads of woodworking machines kept sharp, properly adjusted, and firmly secured?

Y N N/A

3. Are all bearings well lubricated and kept free from lost motion?

Y N N/A

4. Are arbors of circular saws free from play?

Y N N/A

5. Is sharpening or tensioning of saw blades or cutters done only by people with demonstrated skill in this kind of work?

Y N N/A

6. Is cleanliness maintained around woodworking machinery so guards function properly and fire hazards are prevented in switch enclosures, bearings, and motors?

Y N N/A

7. Are all cracked saws immediately removed from service?

Note: Dispose of cracked saws in a manner that will prevent injury to anyone handling the discarded saws.

Y N N/A

8. Is inserting wedges between the saw disk and the collar to form what is commonly known as a wobble saw prohibited?

Y N N/A

9. Are push sticks or blocks provided at workplaces in several sizes and types suitable for the work to be done?

Y N N/A

D. Hand-Fed Ripsaws

Circle the Appropriate Answer

1. Is each circular hand-fed ripsaw guarded by a hood that completely encloses the portions of the saw that are above the table and above the material being cut?

Y N N/A

2. Is the hood and mounting arranged so that the hood will automatically adjust itself to the thickness of the material and remain in contact with the material being cut?

Note: The hood should not offer considerable resistance to insertion of the material.

Y N N/A

3. Is each hand-fed circular ripsaw furnished with a spreader to prevent material from squeezing the saw or being thrown back on the operator?

Y N N/A

4. Is each hand-fed circular ripsaw provided with non-kickback fingers or dogs located to oppose the thrust or tendency of the saw to pick up the material or throw it back toward the operator?

Y N N/A

E. Hand-Fed Crosscut Table Saws

Circle the Appropriate Answer

1. Is each hand-fed crosscut table saw guarded by a hood that completely encloses portions of the saw that are above the table and above the material being cut?

Y N N/A

2. Is the hood and mounting arranged so that the hood will automatically adjust itself to the thickness of and remain in contact with the material being cut?

Note: The hood should not offer considerable resistance to insertion of the material.

Y N N/A

F. Circular Resaws

Circle the Appropriate Answer

1. Is each circular resaw guarded by a hood or shield of metal above the saw?

Y N N/A

2. Does each circular resaw have a spreader fastened securely behind the saw?

Y N N/A

G. Self-Feed Circular Saws

Circle the Appropriate Answer

1. Are feed rolls and saws protected by a hood or guard to prevent the hands of the operator from coming into contact with the in-running rolls at any point?

Note: The guard must be constructed of heavy material (preferable metal), and the bottom of the guard must come down to within 3/8 inch of the plane formed by the bottom or working surfaces of the feed rolls. This distance may be increased to 3/4 inch, provided the lead edge of the hood is extended to at least 5-1/2 inches in front of the nip point between the front roll and the work.

Y N N/A

2. Is each self-feed circular ripsaw provided with sectional non-kickback fingers for the full width of the feed rolls?

Y N N/A

H. Swing and Sliding Cutoff Saws

Circle the Appropriate Answer

1. Are swing and sliding cutoff saws provided with a hood that completely encloses the upper half of the saw, the arbor end, and the point of operation of all positions of the saw?

Note: The hood must be constructed to protect the operator from flying splinters and broken saw teeth. It must automatically cover the lower portion of the blade so that when the saw is returned to the back of the table, the hood will rise on top of the fence, and when the saw is moved forward, the hood will drop on top of and remain in contact with the table or material being cut.

Y N N/A

2. Are swing and sliding cutoff saws equipped with an effective device to return the saw automatically to the back of the table when released at any point of its travel?

Y N N/A

3. Are swing and sliding cutoff saws equipped with limit chains or other equally effective devices to prevent the saw from swinging beyond the front or back edges of the table, or beyond a forward position where the gullets of the lowest saw teeth rise above the table top?

Y N N/A

4. Are inverted swing cutoff saws provided with a hood that covers the part of the saw that protrudes above the table or above the material being cut?

Note: The hood must automatically adjust itself to the thickness of the material and remain in contact with the material being cut.

Y N N/A

I. Radial Saws

Circle the Appropriate Answer

1. Does the upper hood completely enclose the upper portion of the blade down to the point that will include the end of the saw arbor?

Y N N/A

2. Are the sides of the lower exposed portion of the blade guarded to the full diameter of the blade by a device that automatically adjusts itself to the thickness of the stock? Does this device remain in contact with the stock being cut to give maximum protection for the operation being performed?

Y N N/A

3. Are radial saws used for ripping provided with non-kickback fingers or dogs located on both sides of the saw to oppose the thrust or tendency of the saw to throw material back toward the operator?

Y N N/A

4. Is an adjustable stop provided that prevents the forward travel of the blade beyond the position necessary to complete the cut in repetitive operations?

Y N N/A

5. Is the installation designed so that the front end of the unit is slightly higher than the rear? (This design causes the cutting head to return gently to the starting position when released by the operator.)

Note: The cutting head should be fitted with an automatic return device.

Y N N/A

6. Is the direction of saw rotation conspicuously marked on the hood?

Y N N/A

7. Is a permanent label (at least 1/2 inch by 3/4 inch) affixed to the rear of the guard at approximately the level of the arbor that reads as follows?

Danger: Do not rip or plow from this end.

Y N N/A

J. Bandsaws and Band Resaws

Circle the Appropriate Answer

1. Are all portions of the band saws and band resaws enclosed or guarded, except for the working portion of the blade between the bottom of the guide rolls and the table?

Y N N/A

2. Does a self-adjusting guard raise and lower the guide?

Y N N/A

3. Is each bandsaw machine provided with a tension control device to indicate the proper tension for the standard saws used on the machine?

Y N N/A

4. Are feed rolls of band resaws protected with a suitable guard to prevent the hands of the operator from coming in contact with the in-going rolls at any point?

Y N N/A

K. Jointers

Circle the Appropriate Answer

1. Is each hand-fed planer or jointer with a horizontal head equipped with a cylindrical cutting head?

Note: The knife projection of the cylindrical cutting head cannot exceed 1/8 inch beyond the cylindrical body of the head.

Y N N/A

2. Is the opening in the table kept as small as possible?

Note: The clearance between the edge of the rear table and the cutting head shall be 1/8 inch or less. The table throat opening shall not be more than 1 1/2 inches when tables are set or aligned with each other for a zero cut.

Y N N/A

3. Does each hand-fed jointer with a horizontal cutting head have an automatic guard that covers all sections of the head on the working side of the fence or gauge?

Y N N/A

4. Does each wood jointer with a vertical head have either an exhaust hood or other guard arranged so it completely encloses the revolving head, except for a slot wide enough for the material to be jointed?

Y N N/A

5. Is the knife blade of jointers installed and adjusted so that it does not protrude more than 1/8 inch beyond the cylindrical body of the head?

Y N N/A

L. Tenoning Machines

Circle the Appropriate Answer

1. Are feed chains and sprockets of double-end tenoning machines completely enclosed, except for the portion of chain used for conveying the stock?

Y N N/A

2. Are sprockets and chains at the rear ends of frames guarded at the sides by plates projecting beyond the edges of sprockets and lugs?

Y N N/A

3. If used on tenoning machines, are cutting heads and saws covered by metal guards?

Note: The guards must cover at least the unused part of the periphery of the cutting head. If the guard is made of sheet metal, the material used must be at least 1/16 inch thick, and if it is cast iron, it must be at least 3/16 inch thick.

Y N N/A

4. If an exhaust system is used on a tenoning machine, is the guard part of the exhaust hood?

Y N N/A

M. Boring and Mortising Machines

Circle the Appropriate Answer

1. Are safety-bit chucks with projecting-set screws prohibited?

Y N N/A

2. Are boring bits provided with a guard that encloses all portions of the bit and chuck above the material being worked?

Y N N/A

3. Is the top of the cutting chain and driving mechanism enclosed?

Y N N/A

4. When a counterweight is used, is one of the following (or equivalent means) used to prevent its dropping?

a. It is bolted to the bar by a bolt passing through both bar and counterweight.

b. A bolt is put through the extreme end of the bar.

c. Where the counterweight does not encircle the bar, a safety chain is attached to it.

d. Other types of counterweights are suspended by chain or wire rope and shall travel in a pipe (or other suitable enclosure) if they might fall and cause injury.

Y N N/A

5. Are universal joints on spindles of boring machines completely enclosed to prevent contact by the operator?

Y N N/A

6. Is each operating treadle covered by an inverted U-shaped metal guard, fastened to the floor, and of adequate size to prevent tripping?

Y N N/A

N. Wood Shapers and Similar Equipment

Circle the Appropriate Answer

1. Is the cutting head of each wood shaper or hand-fed panel raiser (or other similar machine that is not automatically fed) enclosed with a cage or adjustable guard designed to keep the operator's hand away from the cutting edge?

Y N N/A

O. Planing, Molding, Sticking, and Matching Machines

Circle the Appropriate Answer

1. Is each planing, molding, sticking, and matching machine equipped with a metal guard covering the cutting heads?

Y N N/A

2. When an exhaust system is used, does the guard form part of the exhaust hood?

Note: If the guard is constructed of sheet metal, the material used shall be at least 1/16 inch thick, and if it is constructed of cast iron, it must be at least 3/16 inch thick.

Y N N/A

3. Are feed rolls guarded by a hood or suitable guard to prevent the hands of the operator from contacting the in-running rolls?

Y N N/A

4. Do the surfaces and planers (provided with the sectional infeed rolls) give sufficient feeding contact pressure on the stock thickness?

Y N N/A

P. Profile and Swing-Head Lathes and Wood Heel Turning Machines

Circle the Appropriate Answer

1. Are the cutting heads of each profile and swing head lathe covered by a metal guard?

Y N N/A

2. Are cutting heads on wood-turning lathes covered as much as possible by hoods or shields?

Y N N/A

3. Do the following have hoods enclosing the cutter blades completely? (except at the contact points where the stock is being cut):

a. shoe last and spoke lathes;

b. doweling machines;

c. wood heal-turning machines; and

d. other automatic wood-turning lathes of the rotating knife type.

Y N N/A

4. Are lathes used for turning long pieces of wood stock held only between the two centers equipped with long, curved guards extending over the tops of the lathe?

Note: This is to prevent the work pieces from being thrown out of the machine if they become loose.

Y N N/A

5. When an exhaust system is used, does the guard form part or all of the exhaust hood?

Note: If the guard is constructed of sheet metal, the material used must be at least 1/16 inch thick, and if it is constructed of cast iron, it must be at least 3/16 inch thick .

Y N N/A

Q. Sanding Machines

Circle the Appropriate Answer

1. Are the feed rolls of self-feeding sanding machines protected with a semi-cylindrical guard to prevent contact with the in-running rolls?

Y N N/A

2. Does the bottom guard come to within 3/8 inch of a plane formed by the bottom or contact face of the feed roll where it touches the stock?

Y N N/A

3. Is each drum-sanding machine equipped with an exhaust hood or other guard if no exhaust hood is required?

Y N N/A

4. Does each disk-sanding machine enclose the revolving disk (except for the portion of the disk above the table if a table is used)?

Y N N/A

5. Is each belt-sanding machine provided with guards at each nip point where the sanding belt runs onto a pulley?

Y N N/A

R. Veneer, Cutting and Wringers

Circle the Appropriate Answer

1. Are veneer-slicer knives guarded at the front and ready to prevent contact with the knife edge?

Y N N/A

2. Do veneer clippers have automatic feeds, or are they provided with a guard that makes it impossible to place a finger or fingers under the knife while feeding or removing the stock?

Y N N/A

3. Are sockets on chain or slat-belt conveyors enclosed?

Y N N/A

4. Are hand and foot power guillotine veneer cutters provided with rods or plates or other satisfactory means, arranged on the feeding side so that the hands cannot reach the cutting edge of the knife while feeding or holding the stock in place?

Y N N/A

5. Is the operator required to make sure that the machine is clear and that other people are not in a hazardous position before starting or restarting the machine? (For example, when veneer slivers or rotary veneer-cutting machines have been shut down to insert logs or to make adjustments.)

Y N N/A

S. Miscellaneous Woodworking Machinery

Circle the Appropriate Answer

1. Are the feed rolls of roll-type glue spreaders guarded by a semi-cylindrical guard?

Note: The bottom of the guard shall come to within 3/8 inch of a plane formed by the bottom or contact face of the feed roll where it touches the stock.

Y N N/A

2. Is each point of operation for combination or universal woodworking machines guarded as required for such a tool in a separate machine?

Y N N/A

La. Admin. Code tit. 28, § CXXXIII-2519

Promulgated by the Board of Elementary and Secondary Education, LR 33:69 (January 2007).
AUTHORITY NOTE: Promulgated in accordance with R.S. 17:6(A)(10).