Ola Energy Bole Aviation Pressure Control Procedures

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Questions and Answers

What should be adjusted to reduce deadman volume overshoot in an ILPCV system?

Adjust the downstream components of the Venturi

Increase the rate at which air bleeds when the deadman handle is released (correct)

Decrease the control air pressure

Increase the length of the hose connected to the system

What impact does upstream fuel pressure have on an ILPCV?

It affects the valve's closing speed directly

Keeps the control air pressure constant

It may influence the hose end pressure control (correct)

It has no impact on performance

What is the purpose of adjusting the Air Control Pressure in an ILPCV system?

To improve the accuracy of hose end pressure control (correct)

To increase the surge pressure threshold

To ensure the closure speed is faster than 2 seconds

To reduce the volume overshoot during operation

Under what condition should the Venturi be adjusted in the ILPCV system?

Only when hose lengths or diameters change or downstream components are modified Signup and view all the answers

What is the maximum surge pressure that an ILPCV can control?

120 psi Signup and view all the answers

What must be done before starting the test on the venturi pressure gauge?

Check the venturi pressure gauge against a calibrated gauge. Signup and view all the answers

During the commissioning of a venturi, what is the ideal range for achieving the target test rig gauge pressure?

2.4 to 3.8 bar (35-55 psi) Signup and view all the answers

What is the maximum allowable variation for the panel gauge pressure in comparison to the test rig pressure gauge during testing?

+/- 0.35 bar (+/- 5 psi) Signup and view all the answers

What is the primary function of the deadman system during fuelling operations?

To facilitate controlled rapid shutdown in an emergency. Signup and view all the answers

What is the recommended frequency for performance testing the deadman control in fueller loading facilities?

At least monthly Signup and view all the answers

What is the last step to complete after conducting the venturi testing procedures?

Reset air reference pressure back to normal and complete documentation. Signup and view all the answers

What is a critical aspect to monitor during pressure creep analysis on a venturi?

The stability of the venturi pressure readings. Signup and view all the answers

What action should be taken if the test rig pressure gauge reading and the venturi gauge reading do not match within the acceptable range?

Adjust, overhaul or replace the venturi as necessary. Signup and view all the answers

What is the maximum recorded pressure on the fuel sense gauge for a non-compensated ILPCV system during operation?

3.8 bar (55 psi) Signup and view all the answers

Which situation does NOT require a venturi check?

Regular routine maintenance Signup and view all the answers

What could be a reason for unusual pressure fluctuations in the ILPCV system during operation?

Loose component parts Signup and view all the answers

How does the venturi system generally perform regarding routine adjustments?

Does not require routine adjustment Signup and view all the answers

Which of the following is NOT a common problem associated with venturi systems?

Adjustments required for standard operations Signup and view all the answers

During what condition should adjustments to the venturi be considered necessary?

When downstream equipment is changed Signup and view all the answers

What is the purpose of the venturi pressure gauge in fuelling equipment?

To indicate pressure at the aircraft adaptor Signup and view all the answers

What is the consequence of not maintaining the pressure control limits in an ILPCV system?

Potential failure to control the desired pressure Signup and view all the answers

Study Notes

Ola Energy Ethiopia Bole Aviation Site Specific Procedures for Pressure Control Checks and Tests

This document outlines site-specific procedures for pressure control checks and tests at Ola Energy Ethiopia Bole Aviation.
Revision 1, May 2022
Contains 17 pages of procedures; different tests are detailed on each page.
Specific Procedures for Pressure Control Checks and Tests is the document title.
The document contains procedures for Hose End Pressure Control Valve (HEPCV) testing, In-line Pressure Control Valve (ILPCV) testing, Check Venturi (commissioning & troubleshooting only), Deadman Control, Leak Checks and End of Test Check, and Interpretation of Results and Problem Solving.

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Description

This document outlines the specific procedures for pressure control checks and tests relevant to the Ola Energy Ethiopia Bole Aviation site. It includes detailed guidance on testing various pressure control valves and performing associated leak checks, ensuring safety and efficiency in operations. Revision 1 was released in May 2022 and contains critical information for troubleshooting and problem-solving.