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HCDD maps the current state of NAVSEA's engineering capabilities and provides long-term health metrics.
Specifically, HCDD generates metrics in the output of a dashboard visually designed to depict the long-term health of each warranted technical area.
At present the HCDD is addressing the needs of NAVSEA's engineering community.
It was not too long ago that the HCDD installation technique would have been rejected as well (particularly because of the gravity sewer's exacting slope requirements).
The HCDD installation method uses a remotely guided drill head in a process that is composed of three steps - setup, reaming, and pullback.
The proposed gravity sewer profile was of course, designed to accommodate the HCDD installation technique.
(An additional plus is that many HCDD contractors have experience using this type of pipe.) The HDPE gravity sewer was welded together using a fusion process and then pulled through the casing.
Once the HCDD work was completed, the contractor excavated a small pit on each side of the roadway, cut the steel casing and gravity sewer, and then placed each sanitary sewer manhole at the proper elevation.
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