07/15/2004 Env Bd Packet - Laserfiche WebLink

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Additionally, I found no detailed discussion as to how utilities, such as water, sewer, electric transmission lines, natural gas pipeline, etc., (to be hung from the bridge), are to be constructed so that they are "protected" in such a way that they do not create a future adverse environmental impact. What are the potential failure mechanisms of utilities when hung from a bridge; what are the failure rates; how might such failures affect the environment; and how are potential failures mitigated? Section 7. Project magnitude data: Proposer did not provide data on the "linear" projects as provided for in the EAW Guidelines Document. "For linear projects such as roads, pipelines, sewers or electric transmission lines the length should be given;" Presumably there are roads, pipelines, sewer, electric lines and a bridge that should have been outlined in this section. In addition, "building height" of the proposed bridge should be addressed in this section. Section 11. Fish, wildlife and ecologically sensitive resources In Section b, point number 4, the proposer states: "No wetlands will be dredged, deepened, filled, nor will any culverts be used to connect wetland areas..." Proposer makes an apparently contradictory statement in Section 16 by stating that approximately 6,000 cubic yards (of earth) will be imported to the site. What are these 6,000 cubic yards of earth to be used for, if not to `1l" wetland areas? Is it really ALL for bridge approaches "outside" of the wetland boundaries? To "fill" the peninsula lot to make it buildable? Section 13. Water Use While the proposer states that dewatering will be necessary to construct various elements of the proposed bridge, no details are provided. It is impossible to determine any potential environmental impacts, and thus whether an Environmental Impact Study is warranted, without some level of detail on the dewatering process. EAW Comments, Pheasant Hills 12th Addition Page 2