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q(clptS <br />MEMO TO: Mayor and City Council <br />FROM: Director of Public Works/Community Development �t/� <br />DATE: March 31, 1983 U <br />SUBJECT: MODIFCATIONS AND REPAIRS TO ATOMETER AT TREATMENT <br />PLANT NO. 1 <br />Layne Minnesota Company has submitted a quotation to modify the <br />atometer at Treatment Plant No. 1. The modification will allow <br />City personnel to service the aeration equipment on an annual <br />basis as suggested by the equipment manufacturer. As you remember <br />from the tour of Treatment Plant No. 1 on Saturday, March 19, 1983, <br />the atometer is the device that injects air into the raw water to <br />oxidize the iron before flowing through the filters. if this unit <br />does not function properly then water treatment capability is <br />seriously impaired. <br />The price for the new atometer and compressed air regulator valves <br />is $2,888.00. Layne Minnesota estimates it will require two men, <br />one day to remove the old unit and install the new unit. The cost <br />S of the two man crew and their equipment is $73.00 per hour. Labor <br />is therefore estimated to cost approximately $584.00. <br />Staff is requesting Council authorization to purchase from Layne <br />Minnesota a new atometer unit including installation. Estimated <br />cost is $3,472.00. Actual cost will be dependent on actual time <br />required for installation. <br />ici/bc <br />