February 6, 2019 Page 5
20190206 Addendum Questions File No. 3066.09
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For Alternate bid Item A27, is the contractor to setup/install the portable litter
fence?
If there are components of the portable fence to be installed or set-up, then yes. The
portable fences should be delivered directly to the landfill face ready to use.
Detail 4 on sheet 21 shows some dimensions for the drain manhole. Please
provide additional information about the drain manhole including the rim, inlet
and outlet elevations. The size of the structure in the detail does not have the
height of the structure.
Inlet and outlet elevations are included in the culvert schedule for C-1 and C-2 on
Sheet 21 of the Construction Drawings. The rim elevation shall be 229.0 feet and the
total interior height of the structure shall be a minimum of 5 feet.
Detail 2 on sheet 12 of 24 shows the 31” mid-splice beam guardrail. The detail
does not show what should be on the end for the guardrail NHDOT typically
requires terminal end anchorages or MASH tangent end treatments. Are one of
these to be used?
The contractor shall install Type G-2 terminal units for proposed guardrail.
Bid Item 7 section H: states Furnishing and placing drainage sand to construct
interim stormwater berms is incidental to this bid item but it does not appear
on any of the drawings?
There are no interim stormwater berms proposed as part of this work.
There is no survey specification included. Can contractor perform their own
survey?
Yes.
Does the geomembrane panel drawing need to be stamped by a PLS?
No.
On previous projects, have contractors screened the till from an onsite source?
Refer to question #16.
Is it the intent of the contract to import the screened till?
The intent is to utilize on-site soils. The contractor shall import soil as necessary.
Refer to question #16.
What size diameter are the PVC wells to be decommissioned and the wells to be
extended?
SANBORN i HEAD
