On Monday construction crews began the Blackjack Mountain water main replacement, which stretches from I-75 and Barnes Mill Road to the Quarles treatment plant on Lower Roswell Road.
A new 36-inch main will replace the 30-inch piping that’s there now. There are some traffic closures that also started Monday as well, as explained below by the Cobb County-Marietta Water Authority:
Garney Construction is the contractor for the project and is already in progress of mobilizing and performing clearing operations for the replacement that will occur from Holt Road working westbound towards Barnes Mill Road inside of CCMWA’s utility easement. We are expecting to start replacement of the water main near the intersection of Barnes Mill Rd. and Hwy 41 on Monday 9/28, and continue working east along Barnes Mill towards the dead end at I-75. We have lane closures that will also occur in this reach inside the City of Marietta limits, within the 9AM to 4PM timeframe.
We also expect to start jack and boring operations under Roswell Road (GA-120), just south of Wood Trail Lane, within the next two weeks. Any clearing/above ground disturbance work related to the jack and bore should be outside of the existing GDOT Right-of-Way, and have no impact to traffic on Roswell Road.
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