Resolution authorizing the Office of Contract Administration to execute Modification No. 7 to Contract 1000001663 between the City and County of San Francisco and MSC Industrial Supply Company Inc. for the purchase of industrial supplies for City departments, increasing the contract amount by $900,000 for a total contract amount not to exceed $15,177,623 with no change to the total contract duration of May 1, 2017, through June 30, 2023.