1. Vertical Vessels Piping Arrangement
How should vertical vessels & Vessels Piping be arranged in relation to the pipe rack, and what is the minimum clearance allowed between vessels?
Explanation: Vertical vessels should be arranged in a row with a common center line, and a minimum clearance of 3m is allowed between vessels.
2. Davit Placement for Heavy Items w.r.t. Vessels Piping
Where should the davit be located for handling heavy items like relief valves, blinds, covers, etc.?
Explanation: The davit for handling heavy items should be on the side of the vessel away from the pipe rack.
3. Horizontal Vessel Placement
How should horizontal vessels be laid in relation to the pipe rack/sleeper, and what is the minimum clearance between adjacent horizontal vessel shells?
Explanation: Horizontal vessels should be laid perpendicular to the pipe rack/sleeper, and the minimum clearance between adjacent horizontal vessel shells should be 2m.
4. Clearance for Adjacent Tower Platforms
What minimum gap should be provided between platforms of adjacent vessels to prevent overlap?
Explanation: A minimum 100mm horizontal gap shall be provided between platforms of adjacent vessels to prevent overlap.
5. Accessibility of Safety Valves
According to Vessel Piping guidelines, how should safety valves above 3″ inlet be accessed?
Explanation: Safety valves above 3″ inlet should be accessible by mobile crane according to Vessel Piping guidelines.
6. Clear Aisle for Horizontal Vessels
What is the minimum clearance aisle required for horizontal vessels?
Explanation: The clearance between adjacent horizontal vessel shells should be a minimum of 900mm clear aisle.
7. Accessibility of Level Switches and LGs
Where should all level switches, LGs, etc., including their isolation valves be accessible from?
Explanation: All level switches, LGs, etc., including their isolation valves shall be accessible from ladders or platforms according to Vessel Piping guidelines.
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- Complete Course on Piping Engineering
- Basics of Piping Engineering
- Piping Layout Engineering
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- Valve Material Specifications
- Plant Design & Layouts-OISD 118
- Isometric Management
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