Design along with evaluation of heat exchanger fixed tube, U tube sheet either included or excluded thin/thick expansion joints, Floating head & all other tema type consistent with the ASME standards for boilers and pressure vessels Division of Section VIII, 1 & tema. Doing calculations for local loads on supports and nozzles as per wrc, Pd5500etc. Static evaluation of structures for wind and seismic impacts, Including re-rating of existing heat exchanger to acquire a fresh collection of design parameters.