09-18-2015 BPU RPT 07 - Laserfiche WebLink

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CITY OF RIVERSIDE P U B L I C U T I L I T I E S RIVERSIDE PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: SEPTEMBER 18, 2015 ITEM NO: 7 File ID — 15 -2971 — D SUBJECT: PLAZA SUBSTATION 4 kV TO 12 kV CONVERSION CIRCUIT 454 — WORK ORDER NO. 1501824 FOR $1,264,000 ISSUE: The issue for Board of Public Utilities consideration is approval of the capital expenditure of $1,264,000 for Work Order No. 1501824 for the Plaza Substation 4 kV to 12 kV Conversion Circuit 454. RECOMMENDATION: That the Board of Public Utilities approve the estimated capital expenditure of $1,264,000 for Work Order No. 1501824 for the Plaza Substation 4 kV to 12 kV Conversion Circuit 454. BACKGROUND: The Electric System Master Plan (ESMP) recommends the conversion of all remaining 4 kV to 12 kV distribution circuits to improve system capacity and reliability. This work will upgrade electric distribution facilities west of Magnolia Avenue in the region between Linwood Place and Tequesquite Avenue. The scope of work includes the conversion of Plaza Substation Circuit 454 from 4 kV to 12 kV. The overhead work includes replacement of 41 wood poles, 43 transformers, five pole switches, 20,000 circuit feet of primary wires, 6,500 circuit feet of secondary cables and related overhead distribution facilities. The underground work includes the replacement of 700 circuit feet of primary underground cables and related underground distribution facilities. Riverside Public Utilities (RPU) engineering staff performed the design to eliminate any negative visual impacts to the project and surrounding area, with sensitivity to the existing neighborhood and within City Planning guidelines for the designated area of the project. The project breakdown is proposed as follows: Project Breakdown Engineering Performed By: RPU engineering staff Civil Construction Performed By: None Electrical Work Performed By: RPU field forces Anticipated Start Date: September 21, 2015 Anticipated Duration: 23 Weeks Coordination Required With: RPU Field Superintendent Reimbursements: None