5/18/1983 - Laserfiche WebLink

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MAY 18 1993 �ar� Status Report on South County Water System Improvements Engineer Robbins gave the following report: Part I - The Distribution System has been completed for.some time; the FHA has given final inspection and signed off with the exception of one intersection with a repair, and he will submit a final pay request when that is done. Basically Part I is finished. Part II - Reverse Osmosis Equipment. Basically all the items under that contract have been constructed and the system is operational. It has been checked out and the 7 days test performed. Part III - Reverse Osmosis Equipment, Support Facilities - They began pickling the membranes on Monday of this week - which is for the purpose of keeping biological material from growing in the membrane. Engineer Robbins then reported on two technical problems in the plant. The first _problem related to the hydraulic valves which did not produce the flow rate for which the pumps were designed. The valve supplier has come up with alternatives and they are anticipating shipment of new valves the first week of June. Engineer Robbins continued that the second problem related to the performance of the degasification unit which was not getting the hydrogen sulphide content in the water down to 0.5%. He reported that they have been working on this since the 1st of March and have finally determined that the problem was caused by adding chlorine just after the degasification process. The chlorine injection point has been changed, with the result that they are now getting 0 hydrogen sulphide concentration. Administrator Wright asked if this change requires the use of more chlorine, and Engineer Robbins said it does not.. Commissioner Scurlock commented that it appears the utility costs are running significantly over what we anticipated, and Mr. Robbins noted that the budget was based 68