Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 278

iii. Equipment such as piping, pumps and meters used for the
transfer of Class I liquids between storage tanks and the fill stem
of the loading rack shall not be used for the transfer of Class II or
Class III liquids.
iv. Remote pumps located in underground tanks shall be installed
on the pump discharge side. A listed and approved leak
detection device that will provide an indication if the piping
system is not essentially liquid tight shall be installed. This device
shall be checked and tested at least annually according to the
manufacturer’s specifications to insure proper installation and
operation.
v. Loading at the top of a tank vehicle with Class I and Class II
liquid without vapor control is allowed if the following is
complied:
v.i. The valve used for the final control of the flow shall be of
the self-closing type and shall be manually held open;
and
v.ii. Automatic means are provided for shutting off the flow
when the tank is full.
vi. When bottom loading a tank vehicle, with or without vapor
control, a positive means shall be provided for loading a
predetermined quantity of liquid, together with an automatic
secondary shutoff control to prevent overfill. The connecting
components between the loading rack and the tank vehicle
required to operate the secondary control shall be functionally
compatible.
vii. When bottom loading a tank vehicle that is equipped with
vapor control, but when vapor control is not used, the tank shall
be vented to the atmosphere to prevent pressurization of the
tank. Such venting shall be at a height not lower than the top
of the cargo tank on the vehicle.
viii. When bottom loading a tank vehicle, the coupling between
the liquid loading hose or pipe and the truck piping shall be by
means of a dry disconnect coupling.
ix. Connections to the plant vapor control system shall be
designed to prevent the escape of vapor to the atmosphere
when not connected to a tank vehicle.
x. Loading racks facilities shall be equipped with protection
against static sparks during truck filling. Protection shall consist
of a bare metallic bond wire permanently electrically
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