. >> i'm going to invite doug ziering from telemoney ziering up. >> good morning. thanks for calling this session together. it's been very informative with all of the other utility agencies here. one of the main goals that -- as we have reviewed all of the past history and documentation and everything else, there is a large amount of lessons learned that we have obtained. so as we have developed this master work plan, one of the key elements we're looking to identify is unforeseen conditions of which will help to mitigate any risk as we move forward with any undergrounding master plan that gets developed in the future. from these lessons learned that we have identified some of the big elements in this master work plan approach that we're entertaining is to plan by risk mitigation and alternative funding sources, as well as identifying a process that can be implemented during design and construction as well. as you can see, there are a lot of various poles in san francisco. so one of the key points is trying to make sure that the database of what is out there as wel