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HomeMy WebLinkAbout2008-03-11 WSB MINUTES• WATER AND SEWER BOARD MINUTES March 11, 2008 / ) i .. The meeting was called to order at 5:04 p.m. Members present: Members absent: Also present: Burns, Clark, Higday, Cassidy, Wiggins, Oakley, Habenicht Woodward, Moore Stewart Fonda, Director of Utilities 1. MINUTES OF THE JANUARY 8, 2008 MEETING. • The Englewood Water and Sewer Board approved the minutes of the meeting of February 12, 2008. Mr. Higgins moved; Mr. Habenicht seconded: Ayes: Nays: Abstain: Members absent: Motion carried . • To approve the minutes from the February 12, 2008 meeting. Clark, Cassidy, Wiggins , Oakley, Habenicht None Burns, Higday Woodward, Moore • • • 2. I POLICY AND MUNICIPAL CODE CHANGES FOR BUILDINGS SCHEDULED FOR DEMOLITION. Water and Sewer services are being lost in demolition and as a result, lines are not being properly disconnected. John Bock, Utilities Administrator, discussed proposed changes to policies and the Englewood Municipal Code. Policy changes involve notifying permit applicant of water and sewer cut-off requirements, applicants having a ~'to be completed by" date for cut-off, not permitting clay tile or concrete sewer s~rvices.l f or new construction and requiring that services must be replaced to the main, ~ermitting existing saddle or wye connections to be used if approved by the Utilities' inspectors, not allowing new or replacement taps until previous taps are disconnected and requiring that the Distribution/Collection supervisor be notified of any service line cut-offs. John reviewed the proposed Municipal Code change of not allowing clay or concrete sewer service pipes in new construction. The old service line would have to be replaced to the main with approved pipe. The Board recommended specifying a time requirement of 30 days for a sewer cut-off. Mr. Oakley and Mr. Cassidy expressed concerns about requiring new pipe ifthe existing pipe is sound. John noted the requirement is intended for contractors that buy property, demolish, rebuild and sell. Mr. Oakley recommended a way for existing, long-term owners who want to demolish their existing residence and build a new structure on the same lot to seek a variance. Mr. Bock was directed to prepare a final draft of the policy and ordinance changes for the next Water Board meeting. 3. CITY DITCH CONCERNS -1000 & 1100 BLOCKS OF W. RADCLIFF AVE & W. STANFORD AVE .. Elizabeth Hoover and Robert Potter of 1120 W. Stanford Drive appeared before the Board with questions regarding the section of City Ditch that was enclosed between the 1000 and 1100 blocks of Radcliff and Stanford. Mr. Potter had concerns about the grading of the site accommodating stormwater drainage, landscaping and access to the City Ditch easement area. Mr. Bill McCormick, Operations Superintendent of the Utilities Department, appeared to discuss these issues. Mr. McCormick explained that the ditch bank was in failure, therefore making enclosing the qitch a necessity. The enclosed ditch should also alleviate a lot of rodent problems that resulted from the open ditch. Grading is being completed to divert stormwater to the nearest drainage inlet with bermed banks constructed to prevent • • I stormwater from overflowing to the properties below . The area is to be seeded in native grasses and will be mowed as part of the ditch maintenance program. Mr. Potter had concerns about the above-ground lid. Mr. McCormick noted that when the project is completed, it will be graded so the lid is level with the surrounding area. The possibility of the City building a fence was discussed. It was agreed that initially the adjacent citizens will let the Utilities Department know if partying and unauthorized access becomes a problem. , " I l 1 Mr. Potter noted that when there is heavy snow pack the inlet pipe cart become blocked. Mr. McCormick will hav e the ditch maintenance crew watch this duriii.g heavy snowfalls . John Moore entered at 5 :25 p.m. 4. SATELITE IMAGE SERVICES . Jim Higday discussed a satellite imaging service that he had seen that may be useful to the Utilities Department. The Board discussed a satellite imaging site called Google Earth.com. It was noted that due to current high costs , digital pictures and site field trips may be more practical at this time . 5. MONITORING VIOLATION. The Board received a notice of a drinking water reporting violation for the monitoring period of 2005 -2007. Joe Pershin, Water Production Administrator, explained that the violation was not a health risk but a reporting deadline violation. Samples should have been submitted by June 30, but were not collected until September. Joe noted that an advanced reminder system has been activated and reporting results will be sent to the State via certified mail. The notice violation will printed in the upcoming "Pipeline" publication distributed to Englewood residents. A Consumer Confidence Report will also be included. Mr. Moore requested that a lead-in article be put before the monitoring violation in the "Pipeline" to explain that it is not a health or water quality issue . 6 . 6MILLIONGALLONWATER TANK REPAIR. On December 3, 2007 Council approved the bid award for the Clarkson Street 6-million gallon reservoir tank roofrepair to Restruction Corp. in the amount of $102,805.00. • After the contract was awarded, it was revealed that additional work was required to • I replace 12 additional tendons not covered in the original agreement. The Water Board approved a $75,000. change order at their February 12, 2008 meeting for the additional work. On February 15, the contractor completing an on-site survey, and determined that the center section had at least one more failure . Two small pops and one loud pop occurred during this inspection inside the tank, signaling further tendon failure. A total of 14 pops were heard that day. Repairs to the tanks roof slab have been s_topped as a safety precaution and to re-evaluate the situation. ' I J I. Tom Brennan, Utilities Engineer, requested WFE Engineers evaluate repair and replacement options . Options presented were : 1. Repair of existing roof slab. Remove all tendons and replace with new tendons. Estimated cost: $3 .2 million. Estimated life: 10 years. 2. Steel Frame or New Concrete Slab to be suspended over the existing slab. This would require a new structural system to support the existing slab. Estimated cost: $2.2 million. Estimated life: Life of tank. 3. Removal of existing slab and replacement with new slab. Remove the existing slab and replace with new concrete. Estimated cost: $2 million. Estimated life : Life of tank. • 4 . Removal of existing and constructing a new tank. Estimated cost: $5 million. Estimated life: 75 to 100 years. The Board discussed options, rate hikes and bond issues . Mr. Brennan noted particular problems with staging construction in this residential area. Mr. Fonda discussed operating the Allen Filter Plant this summer using only the existing two , 3-million gallons tanks and evaluating options at the end of the summer. The Board concurred. Mr. Brennan noted that WFE Engineers were directed to conduct a more extensive study of tank conditions to determine service life for $35,000. Results of their study will be forwarded and discussed at a future meeting. 7. PHARMACEUTICALS IN DRINKING WATER. The Board received articles that appeared in The Denver Post over a series of two weeks discussing pharmaceuticals, including antibiotics, mood stabilizers and sex hormones that have been found in drinking-water supplies . Stu noted that new technology has allowed detecting these minute concentrations, measured in parts per billion or trillion. Drugs are introduced into the water system by people taking pills or disposing of expired • prescriptions by flushing down the toilet. Studies have begun to investigate the effects of . ' • • • / pharmaceuticals in a water supply, but so far,.there are no known short or long term . health risks . Available water treatments for removing pharmaceuticals from water are reverse osmosis, activated carbon and advanced oxidation. Englewood's Allen Water Filter Plant has been using a granulated activated carbon process since 2000. Adding an advanced oxidation process is being investigated. In Colorado most front-range water suppliers do not have any of these treatments. , 1 . , I! Stu will forward a memo to Council regarding their inquiry regarding pharmaceuticals in Englewood's water supply. ·• 8. LETTER FROM WILLARD DEVENEAU DATED MARCH 6, 2008. Mr. Willard Deveneau of 3030 S. Cornell Circle sent a letter of appreciation regarding Bryan Cheek. Bryan guided Mr. Deveneau in replacing a shut-off valve that was broken in the closed position. Mr. Deveneau expressed his appreciation for Bryan's professionalism. The letter will be forwarded to City Council. Respectfully submitted, Cathy Burrage Recording Secretary