(1) All vehicles, machinery, tools & equipment shall be maintained in a condition that does not endanger a worker,
(2) No vehicle, machine, tool or equipment shall be used,
(a) while it is defective or hazardous;
(b) when the weather or other conditions are such that its use is likely to endanger a worker; or
(c) while it is being repaired or serviced, unless the repair or servicing requires that it be operated.
(3) All vehicles, machines, tools & equipment shall be used in accordance with any operating manuals issued by the mfg.
(4) For vehicles, machines, tools & equipment rated at greater than 10 horsepower, copies of any operating manuals issued by the mfg. shall be kept readily available at the project.