HomeMy WebLinkAbout16 Contract Failed Transformer
Action Item # 16 July 15, 2015 BiddingDispensing with Competitive Truckee Substation and Repair of a Failed Transformer at Consideration of a Contract For
Consideration of a Contract For 2 line-substation offTree fell into the lines near Truckee Substation, tripping entire –Power outages across the District due to falling trees–Friday,
February 6, 2015A severe windstorm hit the greater Truckee Tahoe area on •Background / History Repair of a Failed Transformer
Consideration of a Contract For 3 replacedPhase ‘A’ transformer has failed and must be rebuilt or –of tank, a clear indication of winding failureInternal inspection revealed winding
insulation at the bottom –Oil samples contain acetylene gas, indicator of internal arcing–condition including oil tests and an internal inspectionDistrict hired a specialty testing
firm to evaluate transformer –Phase ‘A’ transformer tripped on a sudden pressure condition–Two feeder reclosers failed catastrophically–Damage at Truckee Substation•New Information
Repair of a Failed Transformer
New Information (cont)Repair of a Failed TransformerConsideration of a Contract For 4 Code Section 3.08as a sole source vendor of proprietary materials per District Therefore it is proposed
that R.E. Uptegraff be considered •integration of spare into the working lineupUptegraff transformer would ensure seamless future –whether rebuilt or new unitCritical for the spare
transformer to be an Uptegraff unit –the R.E. Uptegraff companyTruckee Substation transformers were all manufactured by •
New Information (Repair of a Failed TransformerConsideration of a Contract For 5 availableRefurbishment is the better of the two options –transformer the purchase of a new significantly
less than are lead time and cost Refurbishment •Replacement: $107,696 with schedule of 22 to 24 weeks–Refurbishment: $79,458 with schedule of 16 to 18 weeks–transformer refurbishment
and replacement options for the failed for Uptegraff. R.EDistrict has received firm quotes from •)cont
Fiscal Impact Repair of a Failed TransformerConsideration of a Contract For 6 Amount and timing of proceeds are not known–District has submitted a claim to our insurance providerThe
•transformerthe failed refurbishment of for the FY15 Electric General Fund Sufficient funds exist within the •
Recommendation Repair of a Failed TransformerConsideration of a Contract For 7 Department Capital Replacement Fundincident at Truckee Substation be deposited into the Electric Direct
that the proceeds from the insurance coverage for the •plus taxamount of $7,946 for an amount not to exceed $87,404 of $79,458, plus a 10 percent change order allowance in the R.E.
Uptegraff for transformer refurbishment in the amount Authorize the General Manager to enter into a contract with •Section 3.08 Sole Source Vendorsrefurbish the failed substation transformer
per District Code Dispense with the competitive bidding process necessary to •