Library / GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY

GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY

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Applicable to all Oil & Gas Operators
GUIDELINES FOR THE ESTABLISHMENT OF AN AUTOGAS
REFUELLING STATIONS AND ADD-ON GAS FACILITY IN NIGERIA
Code: DPR Guide 0042 - 2020

Revision Date: 1st September 2020

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ii. All vent systems shall be adequately supported to cope with loads created during
discharge, as well as those created by the weather e.g. wind loading.
iii. Natural gas vent lines shall terminate in a safe area at high level therefore, vent
systems shall be designed to discharge vertically upwards.
iv. The minimum pressure-relieving capacity in kilogram per hour shall not be less than
three percent (3%) of the full tank content in 24 hours.
v. The following notices shall be clearly displayed on or near the vent stack(s),
particularly at personnel access points.
a. do not spray water on vent stack
b. flammable gas
c. beware of frostbite
vi. Conductive parts (e.g. metal fitments) on the installation including fencing, gates,
tanks and all pipework, vent stacks and vent recovery hoses, shall be adequately
equipotential (earth) bonded.
3.6
Pumps, Compressors and Fittings
Pumps, other than submersible types, should be adequately secured to a concrete
foundation or bolted to a structural steel support. Where the drive unit is not integral with
the pump, attention should be given to ensure correct alignment, and all moving parts
should be suitably guarded

3.7
Emergency Systems
The following emergency system shall be installed in the facility at the minimum:
i.
Gas and fire detection system shall be installed and routinely tested.
ii.
Appropriate warning notices, safety signs and instructions, shall be positioned at
strategic locations and control rooms. Audio/visual alarms that is routinely tested
is mandatory for LNG.