Install gas service behind the curb at 55 forrester st sw between galveston pl sw and martin luther king jr. Ave sw, permit#128405 wr#9283 attached sketch condition of permit should be one year duration. Trenching operations shall be conducted so as to avoid injury to tree trunks, branches, and roots. Excavations within limits of tree root spread shall proceed with care either by use of hand tools or with equipment that will not cause tree root damage. Blue book 207 and 611