Do not walk under any pipe resting on the V-door ramp.
不允许在放有钻杆的大门坡道下边通行。
2
Do not slide down pipe, rotary hose, V-door ramp, or cables. Do not ride with the cat-line or air hoist.
不答应从钻杆、水龙带、大门坡道、电缆、锚头绳或气动绞车绳索上往下滑。
3
Winch operator must ensure that the last joint laid down is no longer on the catwalk and that the catwalk is clear of personnel before slowly lowering the pipe out of the V-door.