Okla. Stat. tit. 45, § 45-913

The following rules and procedures shall be complied with when

loading, hauling or dumping:

1. Equipment shall be inspected each shift by a qualified

person designated by the operator. Equipment defects affecting

safety shall be reported immediately;

2. Equipment defects affecting safety shall be corrected before

the equipment is used;

3. Powered mobile equipment shall be provided with adequate

brakes;

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4. Powered mobile haulage equipment shall be provided with

audible warning devices. Lights shall be provided on both ends when

required;

5. Equipment operators shall be certain, by signal or other

means, that all persons are in the clear before starting or moving

equipment;

6. When the entire length of a conveyor is visible from the

starting switch, the operator shall visually check to make certain

that all persons are in the clear before starting the conveyor. When

the entire length of the conveyor is not visible from the starting

switch, a positive audible warning system shall be installed and

operated to warn persons that the conveyor will be started;

7. Trucks, shuttle cars and front-end loaders shall be equipped

with emergency brakes separate and independent of the regular

braking system;

8. Operators' cabs shall be constructed to permit operators to

see without difficulty and shall be reasonably comfortable;

9. Cab windows shall be of safety glass or equivalent, in good

condition, and be kept clean;

10. Cabs of mobile equipment shall be kept free of extraneous

materials;

11. Adequate back stops or brakes shall be installed on

inclined conveyor drive units to prevent conveyors from running in

reverse if a hazard to personnel will result;

12. No person shall be permitted to ride a power-driven chain

belt or bucket conveyor unless the chain, belt or conveyor is

specifically designed for the transportation of persons;

13. Equipment operating speeds shall be prudent and consistent

with conditions of roadway, grades, clearance, visibility, traffic

and the type of equipment used;

14. Dust control measures shall be taken where dust

significantly reduces visibility of equipment operators. Haulage

roads shall be wet down as necessary unless dust is controlled

adequately by other methods;

15. Mobile equipment operators shall have full control of the

equipment while it is in motion;

16. Dippers, buckets, loading booms or heavy suspended loads

shall not be swung over the cabs of haulage vehicles until the

drivers are out of the cabs and in safe locations, unless the trucks

are designed specifically to protect the drivers from falling

material;

17. Only authorized persons shall be present in areas of

loading or dumping operations;

18. Unless safe provisions are made for persons to mount or

leave equipment while it is in operation, the operator shall be

notified of their intentions before getting on or off;

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19. Persons shall not work or pass under the buckets or booms

of loaders in operation;

20. When traveling between work areas, the equipment shall be

secured in the travel position;

21. Dippers, buckets, scraper blades, and similar movable parts

shall be secured or lowered to the ground when not in use;

22. Persons shall not ride in dippers, buckets, forks,

clamshells or other parts of any equipment not specifically designed

for the transportation of persons;

23. Loaded cars or trucks shall not be moved until the loads

are trimmed properly;

24. Electrically powered mobile equipment shall not be left

unattended unless the master switch is in the "off" position, all

operating controls are in the "neutral" position, and the brakes are

set or other equivalent precautions are taken against rolling;

25. Mobile equipment shall not be left unattended unless the

brakes are set. The wheels shall be turned into a bank or wall, or
roperly;

24. Electrically powered mobile equipment shall not be left

unattended unless the master switch is in the "off" position, all

operating controls are in the "neutral" position, and the brakes are

set or other equivalent precautions are taken against rolling;

25. Mobile equipment shall not be left unattended unless the

brakes are set. The wheels shall be turned into a bank or wall, or

shall be blocked, when such equipment is parked on a grade;

26. Persons shall not ride on top of loaded haulage equipment;

27. Persons shall not ride outside the cabs and beds of mobile

equipment;

28. Equipment which is to be hauled shall be properly loaded

and secured;

29. Dumping locations and haulage roads shall be kept

reasonably free of water, debris and spillage;

30. Berms, bumper blocks, safety hooks or similar means shall

be provided to prevent overtravel and overturning at dumping

locations;

31. If truck spotters are used, they shall be well in the clear

while trucks are backing into dumping position and dumping; lights

shall be used at night to direct trucks;

32. Where overhead clearance is restricted, warning devices

shall be installed and the restricted area shall be conspicuously

marked;

33. Ramps and dumps shall be of solid construction, of ample

width, have ample side clearance and headroom, and be kept

reasonably free of spillage;

34. Lights, flares or other warning devices shall be posted

when parked equipment creates a hazard to vehicular traffic;

35. Tires shall be deflated before repairs on them are started,

and adequate means shall be provided to prevent wheel locking rims

from creating a hazard during tire inflation;

36. Any load extending more than four (4) feet beyond the rear

of the vehicle body shall be marked clearly with a red flag by day

and a red light by night;

37. A tow bar shall be used to tow heavy equipment. A safety

chain shall be used in conjunction with the tow bar; and

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38. When heavy equipment is to be towed, the towing vehicle

shall be of suitable weight and strength to maintain safe control of

the load.