the next item is the awss system upgrade, or update, and this is john scarpula, who will give you a presentation. >> good afternoon, commissioners. let me get that power point up here. good afternoon. john scarula with awss. just to remind you all about the awss, it is a high pressure fire suppression water system. built after the 1906 earthquake. it was owned and operated by the san francisco fire department until 2010, at which time mayor newsom transferred it. they are the end user of this system, and as such, system improvements and expansion are approved by three agencies together. so it is the fire department, the p.u.c., and public works, so all three agencies come together to make decisions on this system. additionally, until -- prior to 2010, robust hydraulic modeling wasn't used to make determination in terms of capital improvements for the awss. since we have taken over this system, we have implemented a hydraulic model to help guide this system. so when the system was originally transferred to p.u.c., the first thing we did was a condition assessment of that system. we completed a st