11-01-2013 BPU RPT 12 - Laserfiche WebLink

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W A t L R f N I FN G } l 1 F 4. RIVERSIDE PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: November 1, 2013 ITEM : 1 SUBJECT: REHABILITATION PROJECTS FOR FIVE WELLS FOR 2013-14 — PHASE I;WORK GRIFFITH ORDER NO. 1408498, ELECTRIC STREET WELL; WORK ORDER NO. 1408499 MOORE ; WORK ORDER NO. 1408500, TWIN SPRINGS ; WORK ORDER ® f WELL; • f THORNE 12 WELL The item for Board of Public Utilities si r io is approval of the capital it in un not-to-exceed , for a total of five domestic I{ rehabilitation r j t , That the Board Public ili i es approve the i I expenditure in n amount not-to-exceed $1 , r each of the following tic well rehabilitation r j c s: 1. $176,000 for Work Order No. 1408498, Electric Street Well; 2. $176,000 for Work Order No. 1408499, Moore Griffith Well; 3. $176,000 for Work Order No. 1408500, Twin rin II; 4. $176,000 for Work Order No. 1408502, Garner B Well; and 5. $176,000 for Work Order No. 1408503, Thorne 12 Well. The Riverside u lic Utilities Department ( ) delivers water to customers r several underground domestic water wells. Several of the older wells have reached the limit it useful life is n are declining production o aging equipment such ri motors. Phase I of the II rehabilitation r j c s consists of rehabilitating five r wells this 2013-14 winter season in n continue effort to i iin reliable source supply customers. Staff has identified II i Its for rehabilitation — Electric Street, r ri i , Twin Springs, Garner B and Thorne 12. These projects ill be completed urin i 2013-14 i t season during i II shutdowns are permissible. Electric r II and Garner B Well projects will be completed 1, 2014. Moore ri i II, Twin rin s Well and Thorne Well will be completed by May 31, 2014.. The work for well rehabilitation pr j cs requires removal i { motor followed performing a i survey of the i tin conditions of the well screen. After inspection review of video, ill determine which roc ur s should be taken to increase the capacity of the well. These procedures may include ru i bailing, i r l pack, and chemical treatment. The pump and for may also replaced if r improperly sized for the rehabilitated {l. The initial rehabilitation r ill take approximately six weeks. However, if r motor are deemed necessary, the duration for each well project would 12 weeks for completion. Given specialty wor r the rehabilitation or n d given the time r required urin the winter season, staff will solicit bids from r Division Contractors' Panel and award project individually to the lowest responsible bi r. Staff will utilize funds as necessary within the approved o r for each of the wells as each of the projects r r s.