Updated 100amp service to new 200amp service. Replaced old meter base with new 200 amp meter main combo. Customer had a new 200 amp Siemens panel already installed. We ran a new 4/0 4 wire service cable from existing panel to new meter base. Separated grounds and neutrals in panel. Installed a new hole home surge protector. Installed one smoke detector in master bedroom to bring up to code. All other smokes were preexisting. Installed a new disconnect for water heater on existing circuit. Customer is up to code on all gfi’s.