Purchasing Type: Change Order (CO)
Public Hearing: YES ? NO ? Department: Purchasing & Contracting
AGENDA ITEM:
Title
Commission District(s): 3 & 7
CO - Change Order No. 6 to Contract No. 972548 Snapfinger Advanced Wastewater Treatment Facilities Expansion - Phase 2: for use by the Department of Watershed Management (DWM). This contract consists of the phase 2 expansion to the Snapfinger Advanced Wastewater Treatment Facility; inclusive of site preparation, modification of existing structures, and the construction of new structures. This request is to increase the funding to accommodate the contractor's eight (8) proposed design and construction changes. Awarded to Archer Western Construction, LLC. Amount Not to Exceed: $106,519.11.
Body
Information Contact: Talisa Clark, CPPO
Phone Number: (404) 687-2797
PURPOSE:
Awarded by the BOC on June 9, 2015 for an amount not to exceed $187,869,380.00. On November 13, 2018, the BOC approved Change Order No. 1 to extend the contract term to December 31, 2020 and to increase funding by an amount not to exceed $350,797.46; Change Order No. 2 to increase funding by an amount not to exceed $599,549.04; and Change Order No. 3 to increase the contract time by 90 days. This contract consists of blasting and clearing of rock; construction of a retaining wall; demolition of existing tankage and equipment; construction of the new headwork, biological reactors, membrane bio-reactors (MBR), chemical storage and feed facilities; and modifications to the chlorine contact basin, sludge dewatering, sludge holding tank, and odor control units. In an effort to mitigate costs, one hundred and forty-four (144) field orders have been issued to accommodate varying subsurface utility and construction issues. This request is to increase the funding to accommodate the contractor's eight (8) proposed design and construction changes.
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