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API RP 1007:2001(2011) pdf download

API RP 1007:2001(2011) pdf download.Loading and Unloading of MC 306/DOT 406 Cargo Tank Motor Vehicles.
4.1 Introduction
When maneuvering to enter and exit a customer location to deliver petroleum products, all clearances should be checked. Drivers should use extreme caution, paying particular attention to clearances to fixed objects. and remaining aware of the potential for other vehicles to move unexpectedly. Be particularly observant of the immediate area when backing the tank truck. It may be advisable to get out of the truck and check the rear for obstacles or place traffic cones to mark a path, before backing the truck. Maneuvering in close quarters, particularly backing up. presents an increased risk of accidents.
1. Vapors are ignitable when mixed with air in the proper proportions and a source of ignition is present. Therefore, all sources of vapors and ignition must be controlled or eliminated before or during unloading. There are several potential sources of vapors during unloading, including, but not limited to: vents, spills, leaks, hose rupture, customer spill at dispenser island or receiving tank overflow. Sources of ignition include, but are not limited to, smoking, open lights, heaters or tires. running engines, fans or electrical equipment. Ensure a fire extinguisher is readily available at the unloading area and in good working order. If unsafe conditions such as leaks or concentration of vapors or sources of ignition occur during unloading, stop immediately and do not resume unloading until these hazards are controlled or eliminated and spills are cleaned up.
2. Preventing product spills or overflows is one of a driver’s most important responsibilities when unloading. Even small spills or drips have the potential for severe environmental consequences. as well as creating an unsafe situation. It is recommended that a fully equipped spill kit be readily accessible and used by the driver to provide “first aid” containment in the event of a small spill or leak.
3. US DOT regulations and state fire codes require that drivers remain within 25 feet (8 meters) and have an unobstructed view of the cargo tank. If for any reason the driver has to leave the immediate unloading area,the driver must shut down the entire operation,close allopenings to the tank and return all hoses to the properstorage areas.
4.2 Spotting the Vehicle
Drivers should pay special attention to people andboth parked and moving vehicles when moving the tanktruck at the customer’s location.
Drivers should also pay attention to avoid obstaclessuch as canopies, building overhangs, guard posts/rails,pumps, trash dumpster, etc.
1.The delivery tank truck should, if possible, be spottedon level grade and 25 feet (8 meters) upwind from anyvent that emits vapors.The tank truck should not beparked or left standing near a building or in a depressedor enclosed area that will trap vapors or collect liquids,which are ignitable.
2.The driver should apply the parking brake,placetransmission in lowest gear and place wheel chocks, if provided, to prevent accidental movement.The drivershould turn off engine and remove the keys from thetruck.
4.3 Before Unloading
Some tank trucks are equipped with unloading valveson both the curbside and the street side of the tanktruck.Unloading fittings should not be kicked or thrownfrom one side of the tank truck to the other as this willdamage the edges and cause leaks. Drivers should:1.Check for hot brakes and then strategically place nosmoking signs and/or traffic cones around the tank truckand the unloading area to warn vehicles and pedestriansfrom entering the delivery area.
2.Check the area within a 10 foot radius of each fillbox for possible sources of ignition (i.e. smoking,open lights,heaters or fires,other running engines,fans or other electrical equipment).Allow no sourcesof ignition and do not allow anyone to smoke in thevicinity of unloading.


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