Addendum 2
134 KB Posted
- Solicitation number
- MDJ-7487
- Issued by
- Cobb County, Georgia
About this file
This is Addendum 2 to the James E. Quarles Water Treatment Plant Valve & Actuator Replacement project issued by the State of Georgia. The project encompasses the removal of thirty-four (34) electric actuators from various filtration and backwash valves at Quarles Plant 2, including thirty (32) filter valve actuators and two (2) backwash rate of flow actuators. The removed actuators will be shipped to the valve manufacturer for installation on new valves. Additionally, the Contractor will install the electric actuator from Filter 4 onto Filter 8's effluent rate of flow valve to support plant operations continuity, while Filter 7 remains offline. A total of one hundred and twelve (112) valve and actuator assemblies will be installed at Quarles Plant 2, consisting of one hundred and ten (110) filter valve and actuator assemblies and two (2) backwash rate of flow assemblies. The scope also includes installation of five (5) actuators on raw water pump control valves at the Raw Water Pump Station on the Chattahoochee River in two separate pump buildings, removal of existing hydraulic oil actuators and accumulators with proper disposal of hydraulic systems, and rotation of existing Pratt ball valves on designated pump units.
The addendum document provides modifications or clarifications to the original contract opportunity, though specific pricing terms, bid due dates, site visit requirements, and award information are referenced in the attachment noted within the contract opportunity description. The project involves coordinated work between the Contractor, valve manufacturer, and multiple facility locations, requiring removal of pneumatic and hydraulic systems and installation of electric actuator-based valve assemblies to modernize the water treatment plant's operational infrastructure.
Text of this file
James E. Quarles WTP Valve and Actuator Replacement
Addendum 2 Page 1 of 2
ADDENDUM NO. 2
ISSUE DATE: October 19, 2022
For
MARIETTA, GEORGIA
Receipt of this addendum, and all other addenda, should be acknowledged as part of your proposal document. This addendum forms a part of the Bid Documents.
Please note the following CHANGES to the above referenced Specification Documents as follows:
CONTRACT DOCUMENTS AND SPECIFICATIONS
1. Section 00 11 13 – Advertisement For Bids,
a. At the beginning of this Section, CHANGE the following, FROM, “Separate Sealed Bids for furnishing all materials and providing all labor, tools, and equipment will be received by the Cobb County-Marietta Water Authority at
1170 Atlanta Industrial Drive, Marietta, Georgia 30066 until:
11:00 am, local prevailing time on
OCTOBER 25, 2022
for the Project known as:
James E. Quarles WTP
Valve and Actuator Replacement
Addendum 2 Page 2 of 2
Due to the ongoing COVID-19 epidemic, Cobb County-Marietta Water Authority has limited administration staff working at this time. In order to ensure that all bid packages are received by the due date and time, Cobb County-Marietta Water
Authority requires all bid packages to be hand-delivered on October 25, 2022, from 8:00 AM to 11:00 AM EDT. Bids received after the designated time will not be considered. The bid packages will be opened by a representative of the
Engineer and witnessed by at least one representative of the Owner and a summary of the submitted bids will be sent by email to all Bidders. Bidders or the public may not attend the bid opening.”
TO
“Separate Sealed Bids for furnishing all materials and providing all labor, tools, and equipment will be received by the Cobb County-Marietta Water Authority at
1170 Atlanta Industrial Drive, Marietta, Georgia 30066 until:
1:00 pm, local prevailing time on
OCTOBER 27, 2022
for the Project known as:
James E. Quarles WTP
Valve and Actuator Replacement
Bids received after the designated time will not be considered.”
END OF ADDENDUM
Other files
| File | Type | Posted |
|---|---|---|
| Award Information | — | |
| Quarles Valve Actuator Project | — |
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