Mid-Atlantic Power Pathway Chalk Point Substation to Indian River ...

Mid-Atlantic Power Pathway Environmental Review Document
Chalk Point Substation to Indian River Substation Volume II – Environmental Analysis of
April 13, 2011 Chalk Point Substation to MD/DE State Line
1.1.2.4.3 Geologic Hazards
The underwater transmission line crossing the Chesapeake Bay and Choptank River and the underground
segment and new structures for aerial spans on land would be designed and constructed in accordance
with the applicable industry federal and state regulations. Under these regulations, each structure
foundation would be designed and constructed to provide adequate protection from washouts, floods,
unstable soils, landslides, or other geologic hazards that may cause structure foundations to move or to
sustain abnormal loads. The Chesapeake Bay and Choptank River crossings are discussed in detail in
Volume III.
1.1.2.5 Gateway Converter
Construction and operation of the Gateway Converter would be completed on land adjacent to the
existing Project right-of-way as described in Volume I, Section 2.0.
1.1.2.5.1 Mineral Resources
As with the other Project components discussed previously, due to the lack of current exploitable mineral
resources in the Project area, impacts to mineral resources from the construction of the Gateway
Converter would not be expected.
1.1.2.5.2 Paleontological Resources
As discussed in Section 1.1.1.2, there are no known sensitive paleontological resource areas within the
Project area. However, construction of the converter station and switching station would permanently
impact an amount of soil, to be determined after the engineering design is complete. It is possible but
unlikely that construction-related disturbance of soils would encounter paleontological resources. Should
paleontological resources be encountered during construction, a paleontologist would be consulted to
determine the nature and significance of the resources, and if warranted, to make recommendations for
mitigation.
1.1.2.5.3 Geologic Hazards
The new converter station and switching station would be designed and constructed in accordance with
the applicable industry, federal and state regulations. Under these regulations, the structure’s foundation
would be designed and constructed to provide adequate protection from washouts, floods, unstable soils,
landslides, or other geologic hazards that may cause structure foundations to move or to sustain abnormal
loads.
1.1.2.6 Gateway Converter to Maryland/Delaware State Line
Construction and operation of this Project component would be completed on land within the existing
cleared and maintained rights-of-way and the transmission line would replace existing structures with
new structures as described in Volume I, Section 2.0.
1.1.2.6.1 Mineral Resources
No sand and gravel mines were identified within 0.25 miles of the Project area. Additionally, no oil,
natural gas, or coal fields or extraction sites were identified within 0.25 mile of the Project area.
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