Page 483 - 2018_IFC

FLAMMABLE AND COMBUSTIBLE LIQUIDS

operator, or the lease number and the telephone number 5706.4.5 Storage. Storage of Class I, II and IIIA liquids in
where a responsible person can be reached at any time. bulk plants shall be in accordance with the applicable pro-
visions of Section 5704.
5706.3.6 Soundproofing. Where soundproofing material
is required during oil field operations, such material shall 5706.4.6 Overfill protection of Class I and II liquids.
be noncombustible. Manual and automatic systems shall be provided to pre-
vent overfill during the transfer of Class I and II liquids
5706.3.7 Signs. Well locations shall have posted in a con-
spicuous place on or near such tank or tanks an approved from mainline pipelines and marine vessels in accordance
sign with the name of the owner or operator, name of the with API 2350.
leasee or the lease number, the well number and the tele- 5706.4.7 Wharves. This section shall apply to all
phone number where a responsible person can be reached wharves, piers, bulkheads and other structures over or con-
at any time. Such signs shall be maintained on the prem- tiguous to navigable water having a primary function of
ises from the time materials are delivered for drilling pur- transferring liquid cargo in bulk between shore installa-
poses until the well is abandoned. tions and tank vessels, ships, barges, lighter boats or other
mobile floating craft.
5706.3.8 Field-loading racks. Field-loading racks shall
be in accordance with Section 5706.5. Exception: Marine motor fuel-dispensing facilities in
accordance with Chapter 23.
5706.4 Bulk plants or terminals. Portions of properties
where flammable and combustible liquids are received by 5706.4.7.1 Transferring approvals. Handling pack-
tank vessels, pipelines, tank cars or tank vehicles and stored aged cargo of liquids, including full and empty drums,
or blended in bulk for the purpose of distribution by tank ves- bulk fuel and stores, over a wharf during cargo transfer
sels, pipelines, tanks cars, tank vehicles or containers shall be shall be subject to the approval of the wharf supervisor
in accordance with Sections 5706.4.1 through 5706.4.10.4. and the senior deck officer on duty.
5706.4.1 Building construction. Buildings shall be con- 5706.4.7.2 Transferring location. Wharves at which
structed in accordance with the International Building liquid cargoes are to be transferred in bulk quantities to
Code. or from tank vessels shall be not less than 100 feet (30
480 mm) from any bridge over a navigable waterway;
5706.4.2 Means of egress. Rooms in which liquids are
stored, used or transferred by pumps shall have means of or from an entrance to, or superstructure of, any vehicu-
egress arranged to prevent occupants from being trapped lar or railroad tunnel under a waterway. The termina-
in the event of fire. tion of the fixed piping used for loading or unloading at
a wharf shall be not less than 200 feet (60 960 mm)
5706.4.3 Heating. Rooms in which Class I liquids are from a bridge or from an entrance to, or superstructures
stored or used shall be heated only by means not constitut- of, a tunnel.
ing a source of ignition, such as steam or hot water.
Rooms containing heating appliances involving sources of 5706.4.7.3 Superstructure and decking material.
ignition shall be located and arranged to prevent entry of Superstructure and decking shall be designed for the
flammable vapors. intended use. Decking shall be constructed of materials
that will afford the desired combination of flexibility,
5706.4.4 Ventilation. Ventilation shall be provided for resistance to shock, durability, strength and fire resis-
rooms, buildings and enclosures in which Class I liquids tance.
are pumped, used or transferred. Design of ventilation sys-
tems shall consider the relatively high specific gravity of 5706.4.7.4 Tanks allowed. Tanks used exclusively for
the vapors. Where natural ventilation is used, adequate ballast water or Class II or III liquids are allowed to be
openings in outside walls at floor level, unobstructed installed on suitably designed wharves.
except by louvers or coarse screens, shall be provided. 5706.4.7.5 Transferring equipment. Loading pumps
Where natural ventilation is inadequate, mechanical venti- capable of building up pressures in excess of the safe
lation shall be provided in accordance with the Interna- working pressure of cargo hose or loading arms shall be
tional Mechanical Code. provided with bypasses, relief valves or other arrange-
ments to protect the loading facilities against excessive
5706.4.4.1 Basements and pits. Class I liquids shall
not be stored or used within a building having a base- pressure. Relief devices shall be tested not less than
ment or pit into which flammable vapors can travel, annually to determine that they function satisfactorily
unless such area is provided with ventilation designed at their set pressure.
to prevent the accumulation of flammable vapors 5706.4.7.6 Piping, valves and fittings. Piping valves
therein. and fittings shall be in accordance with Section 5703.6
except as modified by the following:
5706.4.4.2 Dispensing of Class I liquids. Containers
of Class I liquids shall not be drawn from or filled 1. Flexibility of piping shall be ensured by appropri-
within buildings unless a provision is made to prevent ate layout and arrangement of piping supports so
the accumulation of flammable vapors in hazardous that motion of the wharf structure resulting from
concentrations. Where mechanical ventilation is wave action, currents, tides or the mooring of
required, it shall be kept in operation while flammable vessels will not subject the pipe to repeated
vapors could be present. excessive strain.

450 2018 INTERNATIONAL FIRE CODE ®
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