Document 6wyaZkr8kEOKeD3aGVZRK0rq4

UNION CARBIDE CORPORATION CHEMICALS AND PLASTICS ENGINEERING SOUTH CHARLESTON, WEST VIRGINIA MEMORANDUM November 16, 1976 ` W. C. Young COPY TO: Mr. J. K. Corrle, Jr. Mr. C. E. Fry Mr. Leroy R. Hart Mr. R. E. McEldowney Mr. J. M. Smith Mr. R. N. Wheeler Mr. J. L. Worstell R. E. McEldowney NOV 16 1976 received P. B. Smith i; i Waiver Request for Five (5) Safety Valves in VnCl Service at North Charleston Tank Farm iviSK Three safety valves associated with the refrigeration systems anc VnCl^storage sphere are to have their discharges connected back into the vaporjspace in the top of the sphere. This will require valve resizing andj purchase in addition to line modifications. Two safety valves which are associated with the tank car loading rack-AtLl 1 be installed with .a rupture disk between the equipment and the relieiyjyalve. A test connection and appropriate piping will be installed the space between the rupture disk and safety valve for monitoring purpose Schedule: .1 Order Issued for purchasing 2. Start installation 3- Instal lation completed k. Compli ance achieved *-18-77 2-17-78 6-3-78 7-21-78 -^