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Home My WebLink AboutAgenda - 06-16-2015 - 6m 1 ORANGE COUNTY BOARD OF COMMISSIONERS ACTION AGENDA ITEM ABSTRACT Meeting Date: June 16, 2015 Action Agenda Item No. 6-m SUBJECT: Authorization for County Manager to Award Buckhorn Mebane Sewer Phase 2 Extension Construction Contract and Professional Services Agreement DEPARTMENT: Planning PUBLIC HEARING: (Y/N) NO ATTACHMENT(S): INFORMATION CONTACT: Maps Showing Approved Scope of Howard W. Fleming, Jr., PE, Project Engineering/Stormwater Supervisor, 245-2586 Craig Benedict, Planning Director, 245- 2592 James Bryan, Staff Attorney, 245-2319 PURPOSE: To consider authorizing the Manager to- 1) Award the bid and, upon County Attorney review, execute the construction contract for the Buckhorn Mebane Phase 2 Sewer Extension project during the summer break in an amount not to exceed the project budget; 2) Execute, upon County Attorney review, a services contract with an engineering firm over the summer break for construction contract administration and engineering inspections within the project budget; and 3) Approve project change orders that do not in total exceed the project budget. BACKGROUND: This project has been approved and is part of the County's current Capital Projects budget for 2014-2015. Once complete, the infrastructure installed as part of this project will connect the Efland Sewer system to the City of Mebane's sewer system and wastewater treatment. Ownership and operation of the Efland Sewer system will then be transferred to the City of Mebane consistent with an existing interlocal agreement with the City. This will eliminate the County's yearly maintenance cost for the Efland sewer system. In addition, this project makes possible gravity sewer service to a large economic development area south of the Norfolk Southern railroad tracks that run through the Efland community (see Attachment). Approximately 250 acres will drain to the gravity sewer lines laid as part of this project. The location of the new pump station installed as part of this project will allow future gravity sewer service to an additional 450 acres (for a total of 700 acres), but the gravity sewer lines to serve this additional area are not a part of this project. The project base bid consists of a short extension of the Efland Sewer system force main, 7,287 linear feet (LF) of gravity sewer, a new pump station and almost 20,000 LF of sewer force main to connect this new pump station to the City of Mebane's sewer system. The new force main will follow West Ten Road, turn to follow Bowman Road and will ultimately connect into the recently completed gravity sewer system at the intersection of Rock Quarry Road and Bowman Road. 2 In addition to this base bid, there will be two optional gravity sewer service lines included for pricing in the bid package. These are shown as Add-alternates on the attached map of the gravity sewer portion of the project (see Attachment — Sheet 1). If the bids received come in low enough, it may be possible to include these optional sewer lines within the project's budget. The design for the project was completed recently and all necessary permits have been obtained. Staff would like to continue moving forward towards construction of this project by bidding and awarding the contract over the summer. This will allow the construction contractor to take advantage of the better construction conditions during the summer and early fall months. The following table shows the proposed schedule for the bidding and contract award process. TASK BEGINNING END BY DATE DATE BOCC Action: Authorize the Manager to proceed with bidding 6/16/15 and award for construction during the summer and fall months of 2015 Bid advertisement (one month) 6/17/15 7/15/15 Pre-bid Meeting 7/1/15 Bid Opening 7/15/15 Bid review and award recommendation 7/15/15 7/24/15 Bid Award Notice/Manager Approval 7/27/15 7/28/15 Pre-construction meeting 8/28/15 Construction Mobilization Begins 9/14/15 Construction is expected to take approximately 14 months, weather permitting, with an estimated substantial completion in November 2016. In order to move forward with the preliminaries to construction and begin construction according to the schedule above, an engineering firm will need to be hired over the summer break to perform construction contract administration and engineering inspections. The current engineering design contract for the project only provides for services through the bid award phase of the project. FINANCIAL IMPACT: The project was originally included as part of the BOCC approved FY2013 Capital Investment Plan (CIP) budget with construction funding approved for this current fiscal year, FY2015. The total CIP appropriations for this project are $4,973,000, which includes a 10% contingency on the construction portion of the budget. The annual debt service is estimated at $389,024, and will be paid from Article 46 Sales Tax Proceeds dedicated for debt service payments. RECOMMENDATION(S): The Manager recommends the Board authorize the Manager to: 1) Award the bid and, upon County Attorney review, execute the construction contract for the Buckhorn Mebane Sewer Phase 2 Extension project during the summer break in an amount not to exceed the project budget; 2) Execute, upon County Attorney review, a professional services contract with an engineering firm over the summer break for construction contract administration and engineering inspections within the project budget; and 3) Approve project change orders that do not in total exceed the project budget. BOCC Exhibit - Buckhorn Mebane EDD, Efland Sewer to Mebane, Phase 2 Extension (Sheet 1 of 2) 3 Project Area o a LL aExisting sewer force main a to be abandoned in place - east of connection GYM RD o WJJ 0 FO:RREST AVE m FORRESTAVE z Soul ERN_DR m .. t■ a 'm r v ' R SOUTHERN D n • m ,m TURNER • o y Add Alt#2 $1 3 401"iI Add Alt#1 WATSON RD in Proposed West Ten Rd. force , main connects to gravity sewer at Rock Quarry Rd ® �' 0 21 o 0 ■�7 WESTrENRO Ten GrauitySewer Segment Nlest Existing Force Main Proposed Gravity Sewer Parcels Proposed West Ten Pump Station N 1 in 600 feet g �� g o zoo Feet LOrange un ty Planning and Inspections 10�� 12" PropOSed FOrce Maln ianCarson(1/5/2015) BOCC Exhibit - Buckhorn Mebane EDD, Efland Sewer to Mebane, Phase 2 Extension (Sheet 2 of 2) 4 HIM 11 M 4 t' QP � GREG ST n Project Area E ��"p- '1 a z I VASHINGTON ST a w O 12 70 FULLER R IJO A -L-,� ., n INDUSTRIAL DR J1Lz ( LL M U-7 w CHAP v LLJ z z� g6 L J O p IM Q ai Q z y.�QN D ZO p O _ a'a Y OW V 2 O WEST TEN RD R W c Force Main connects to existing system. o z v 0 �y m a A y i OO T RL BUgNY C m z 9�A RADHIKAS RuN �2 Proposed Force Main (Approx. 3.57 Miles) Existing Gravelly Pump Station W No :- a N 1 in 1, feet Parcels \ w � 0 1,000 Proposed West Ten Pump Station a Feet Orange County Planning and Inspections Brian Carson(1/5/2015)