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Answers to Citizen Questions
Will proposed new drainage ditch on the south side of Murray Drive diminish the ability of drainage ditch on the south of the golf club to accept contaminants from the site?
The proposed new drainage ditch on the south side of Murray Drive to be constructed by the City of Chesapeake should have little to no impact on the ability of the drainage ditch on the south of the golf course to accept contaminants from the site.
If the drainage ditch to the south of the golf course is dry, will it continue to accept contaminants from the site?
Once a plume of contaminants develops in the groundwater, drought conditions must be severe and prolonged to alter the flow of groundwater in a manner sufficient to impact the ability of the drainage ditch to accept contaminants moving south of the ditch.
The report says that it used the construction drawings to determine the location of the fly ash on the site. The construction drawings do not show the actual location of the fly ash. What impact will that have on the reliability of the model created to form the conclusions in the report?
The most important data regarding the fly ash is the amount (approx. 1.5 million tons) and the general distribution. Since we used a distribution pattern which covered the width of the golf club, the model should be accurate and scientifically reliable without knowing the exact locations. The anomaly found in data results from the southwest corner of the site may be explained by the hills on that corner which may contain fly ash.
The drainage ditch on the south side of the golf course runs across my property, does that mean my property is contaminated?
At this time we have no data indicating the ditch is contaminated. As a plume develops under the golf club, it is likely contaminants will drain into the ditch which will become contaminated. However, it is difficult to determine at this time whether contaminants will reach a detectable level in the ditch.
Why hasn't the City looked at other neighborhoods to the south and west of the golf club and performed testing?
CDM examined the golf club site and the neighborhoods directly south and east because of the general direction of groundwater flow in the area and because the ditch to the south should act as a barrier to contaminants moving away from the site via groundwater flow.
Status of the Greenhaven/Murray Drive Drainage Improvements:
- Public Works has completed the design of the construction plans.
- Public Works is in the final stage of negotiations with Navy.
- Naval Public Works Division has responded to the City that the environmental documentation is complete and awaiting to be signed off by Commander Johnson.
- The Naval Right of Way Division is only waiting for the environmental document to be signed before the easement/ agreement can be forwarded to the City. This will complete the Right-of-Way phase of the project.
- Public Works' project schedule:
- Accept bids for construction in April 2011
- Construction anticipated to begin in June 2011