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OCT 2 3 2018 V (CM-1 A PEI/RP1200-12 alarm devices must automatically restrict flow or alert 7.1.6 Inspection Procedure.ENVIRONMENTAL HE LT the transfer operator when the tank is no more. than r)FR ?TME `j' 90 percent full.This approach reflects the more conserva- 1. Remove the drop tube from the tank. (D five application of the rules. 2.Visually inspect the automatic shutoff valve and float mechanism for any damage and remove QL 7.1 Automatic Shutoff Devices. any debris or foreign objects. 7.1.1 General. Automatic shutoff devices, 3.Manually move the float mechanism to ensure it 3 sometimes called flappers or flapper valves, are moves freely. M an integral part of the drop tube assembly installed within the tai* fill riser. They are designed to 4.With the float mechanism in the shutoff'(closed} position, visually inspect the drop tube and 0 initially restrict and subsequently completely shut off flow when product has reached predetermined move that the shutoff valve is released and will move into the product flow path. Y, levels during a delivery. Automatic shutoff valves a need to be properly positioned and operate freely to S. If possible, verify that the bypass valve in the (0 6 control flow and prevent tank overfills. drop tube is open and free of blockage. 2 C, 7.1.2 Purpose. The purpose of this inspection 6.If problems with the shutoff valve are found and M (k is to verify the automatic shutoff valve is installed defective components need repair or replace- ment,notify the appropriate person. properly, operates as desisted and is set to com- 0 pletely shut off flow when the tank is no more than 7.Using the automatic shutoff device nianufac- 95 percent full. turer's suggested procedure, examine the drop z 7.1.3 Description of Inspection. After a pre- tube and shutoff valve to determine if product 0 flow will be completely shut off at 95 percent of liminary inspection of the automatic shutoff instal- tank capacity. Make any adjustments necessary lation,the drop tube is removed from the tank, he to ensure that flow will be completely shut off automatic shutoff is checked for proper operation, when the tank is no more than 95 percent full. and its placement is measured to verify that it is 0 properly located to completely shut off flow when the tank is no more than 95 percent full. 7.1.4 Preparation. Refer to the tank manufac- 3L turer's calibration chart for the capacity in gal- Ions, the diameter and the volume of product with respect to product level. If the automatic shutoff device has a float that extends from the drop tube in the shutoff(closed) position, verify the proper orientation of the float. mechanism.The float mechanism should be orient- Cr ed away from any obstructions(ball float,submers- ible turbine pump (STP), tank- wall, tank gauge probe, etc.) If the movement of the float mecha- nism is restricted,it will not function as designed. X Use this procedure in conjunction with the manu- FIGURE 7-1. Check the drop tube and flapper for dam- facturer*s installation and maintenance instructions. age. Make sure that the flapper moves freely and shuts off flow when extended. 7.1.5 Inspection Equipment. 'Fest equipment shall include: S.After inspection of the automatic shutoff device, & tools for removal of the drop tube, reinstall the drop tube. 0 tape measure; 7.1.7 Pass/Fall Criteria. If the automatic shut- off device functions as designed and complete - tools for inspection of the automatic shutoff. shutoff of product flow is able to occur when the peLorg