Patent ID: 11898340
Assignee: WASKEY BRIDGES, INC.
Field: Civil engineering (Other fields)
Classification: CPC F  E | IPC E  F

Claim 16:
17. A method of installing a trench for containing a cryogenic spill, comprising the steps of:
a) constructing multiple precast concrete sections, each section having a bottom wall and spaced apart side walls connected to and extending up from said bottom wall;
b) wherein in step “a” each section has end portions that enable connection to another said concrete section;
c) providing multiple panels of cryogenic insulating material;
d) adhering one or more of said panels of step “c” to the bottom wall and side walls of each said concrete section;
e) connecting the concrete sections together using connections of one end portion to another end portion;
f) wherein in step “e” the connection includes spacing the said end portions apart to form a gap and filling the gap with a seal;
g) wherein the seal includes a butyl rubber elastomer; and
h) wherein the seal includes an engineering cloth.