February 6, 2019 Page 4
20190206 Addendum Questions File No. 3066.09
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drum roller to demonstrate strength.” This is will not be possible along the
slopes for safety issues, can contractor plan to smooth screened till area with an
excavator bucket if compaction is met?
The City encourages the bidders to consider using construction methods and
equipment capable of meeting the design intent. Alternative means of compaction
may be presented in the bid and will be considered by the City provided there is
sufficient justification/documentation for its use and ability to meet the intent of the
design.
Does the Owner have an Environmental Monitor that is familiar with the site or
has been previously been utilized onsite?
The City typically does not use an Environmental Monitor for landfill construction
projects. However, the City will retain an engineering firm familiar with the site to
provide construction quality assurance services during construction.
Who is the professional survey company that is utilized by the Owner?
There are several professional survey companies who have previously worked on the
Four Hills site. They include, but are not limited to Hayner/Swanson, Inc. and WSP
USA, Inc., both located in Nashua, NH.
Can HDPE piping be tested with air in lieu of hydrostatic testing?
Yes, air testing is acceptable. Specification 15210 will be revised to include air testing
requirements and will be included in Addendum #3.
Is there a power drop where contractor is to locate the construction trailer?
There is a power drop with a meter and circuit breaker panel used by previous
construction trailers located along the main haul road adjacent to retention pond #2.
The power drop has not been used in several years; therefore, the City does not
guarantee the viability of the power drop. The contractor is free to evaluate alternate
locations for the construction trailer and power connection if this location is not
convenient.
Where can contractor fill water truck for dust control?
There two hydrants near the landfill office building that are available for filling a
water truck.
Please confirm the unit for 27B is LF and not LS.
The unit for 27B is LF. See the attached revised Schedule of Values.
SANBORN i HEAD
