5706.8.3 Absorption vapor recovery and processing systems.
FC § 5706.8.3
Absorption vapor recovery and processing systems shall comply with the following requirements: 1. A lean oil storage tank shall be protected by a foam fire extinguishing system.
2.The entire vapor recovery and processing system, including the lean oil storage tank, shall be placed in an unpierced dike. The height of the dike shall be based upon the size of the lean oil storage tank and shall have a capacity of at least 110 percent of such tank, but in any event not less than the maximum pumping capacity of the system for 20 minutes of operation.
3.Heaters used shall be of a type approved for such use and shall be equipped with an automatic shutoff device that activates upon reaching the high temperature limit for the absorption vapor recovery and processing system.
4.All absorbers, saturators, heat exchangers and condensers shall conform to ASME Boiler and Pressure Vessel Code and the provisions of FC Chapter 53.
5.A relief valve shall be provided for compressors, stripper columns and other pressure vessels.
6.Lean oil tanks and vapor vessels shall be constructed and installed in accordance with this chapter and API 650.
7.Upon installation, a vapor vessel bladder shall be pneumatically tested at one and one quarter times the maximum operating pressure for 4 hours without leakage. A retest shall be performed annually. All such tests shall be conducted at the owner's risk by his or her representative before a representative of the department.
