Question: Task 2: You are tasked with adding layers of protection to the attached hydrogen storage tank P&ID to prevent the following consequences for the storage

Task 2: You are tasked with adding layers of protection to the attached hydrogen storage tank P\&ID to prevent the following consequences for the storage tank: 1. Overpressure (catastrophic safety consequence). 2. Running tank below minimum design operating pressure (operational consequence). 3. Isolate and blowdown the tank in the event of a hydrogen leak within the facility. In addition, please add sufficient controls and safeguards on the product lines to meet the following requirements for the downstream users (controls/safeguards for the tank and users could be shared for simplicity and / or may be connected to the upstream or downstream P\&ID's as required): 1. Vehicle refueling compressor: a. Minimum suction pressure of 4 barg (compressor starvation and potential damage). 2. Natural gas pipeline blending: a. Maximum supply pressure of 50 barg (design pressure of downstream system). 3. Fuel cell: a. Maximum supply pressure of 11 barg (design pressure of downstream system). b. Minimum supply pressure of 7 barg (fuel cell starvation and potential damage). c. Maximum supply temperature of 85C (fuel cell damage) Please use the Task 2 Reference P\&ID Legend Sheet for symbology (you can add to this sheet and submit it with your assignment if required.). High Level Process Description: Hydrogen is produced by electrolysis and then compressed using a reciprocating compressor into T-001 Hydrogen Storage Tank. The stored hydrogen is then used either for: 1. Further compression for vehicle refueling. 2. Blending into a natural gas pipeline. 3. Electricity production using a fuel cell
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