Profile Robin Smith manager Premier Plumbers Shoreline Looking for a local plumber, call Premier Plumbers Shoreline. We are experts in leak detection, back-flow prevention and testing and blocked drains services. Last activity: on 14/12/2017 Joined: on 14/12/2017 http://www.premierplumbersshorelinewa.com Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.