and cost of three projects being delivered as part of the water system improvement program -- new irvington tunnel project, the bay division pipeline reliability of great pipeline project, and modification of the existing d chlorination facility project -- existing dechloramination facility project. the total cost impact of these changes is $7,487,700, and the overall program schedule and cost remains the same. >> you should all have a copy of my power point slide. if i could be connected to the system, great. my apologies for not having these in your packet. i just decided this morning that it would help put things in perspective to have a presentation for you. i also wanted to point out that included in your packet is a letter from bawsca in response to our proposed changes. before i get into these proposed revisions, i wanted to highlight once again for you where the program stands as of today. the program as a whole is 50% complete, based on expenditure. you can see on this slide a breakdown of where each of the 81 wsip projects is at. at this point, we have completed construction once