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

Page 176 of 194

Applicable to all Oil & Gas Operators
GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF A GAS
RETICULATION FACILITY IN NIGERIA
Code: DPR Guide 0028 - 2020

Revision Date: 1st September 2020

11
Table 3.2 Underground Distance
Capacity (Metric Tonnes)
Separation Distance (Meters) from the relief valve to the line of Adjoining
Properties, Control buildings, or fixed source of ignition.
0.1 - 10
3
>10.1
7.5

3.3
Minimum Requirement for Gas Storage Vessel/Tanks
The storage tank/vessel shall be designed, constructed and installed by DPR accredited
company in accordance with internationally recognised standards. It shall comply with the
following:
i.
The storage tank/vessel shall be located in a manner that allows safe access and
subsequent removal if required, clear of any building foundations or underground
features, such as drains and tunnels. Additionally, the location shall not allow any
flammable concentrations or any releases to reach potential ignition sources or
accumulate where they might pose a danger.
ii.
The fill points for storage tank/vessel shall be positioned such that other vehicle
movements do not pose risk to tanker discharge, and accidental releases or
subsequent ignition does not pose an immediate threat to personnel.
iii.
Tanks and piping must be constructed with materials that provide an appropriate
level of safety and environmental protection. E.g. carbon steel, reinforced fibre
glass, or others acceptable to DPR.
iv.
All storage tank design specification details shall be conspicuously displayed.
v.
All storage tanks shall be fitted with pressure relief valves, pressure and
temperature gauges, and other important safety equipment. Lightning protection
shall be installed as appropriate.