5,
8.
7
8.
VHB will develop 90% rehabilitation plans for the pedestrian walkway. This plan set will include all
details, notes, and a complete quantity sheet. The pedestrian walkway will be constructed
according to the latest edition of the State of New Hampshire Department of Transportation
Standard Specifications for Road and Bridge Construction, unless otherwise amended by Pan
Am Railroad details.
VHB will prepare a 90% construction cost estimate and quantities based on the final plan set.
VHB will develop draft technical specifications.
The VHB Project Manager / Program lead will perform a quality assurance review of the 90%
Plans, Specifications and Estimate
VHB will prepare and submit 0% Pians, Specifications and Estimate for review.
Phase 4 — 100% (Final) Pedestrian Walkway Design and Detailing:
1.
2.
3.
4.
5
Fee:
Address comments to $0% design (Phase 3) recommendations.
The cover sheet will be stamped by a licensed Professional Engineer, registered in the State of
New Hampshire. coe
The VHB Project Manager / Program lead will perform a quality assurance review of ihe 100%
Plans, Specifications and Estimate
Final contract documenis will be submitied to the City for advertisement.
Support for bid phase services including answering RFls and a bid analysis.
VHB will provide Phase 2, 3 and 4 services for the following lump sum amounts:
Phase 2 — Preliminary Design: $30,370
Phase 3~ 90% Design: $35,030
Phase 4 — 100% (Final) Design: $12,980
Direct Expenses: $5,500
Vendor - $3,500, NE Bridge Contractors, Inc. (Under bridge inspection unit)
Assumptions:
Preliminary pedestrian walkway rehabilitation plans are for review and comment only, they shall
not be used as bidding documents for construction.
Attending project meetings is not required as part of this scope of services.
Aitending, preparing for, and/or presenting at public meetings is not required as part of this scope
of services.
Survey (including base map) and Right-of-Way will be provided by the City for the purposes of
design prior to the start of preliminary design.
Permitting is not required for the project.
VHB will not structurally evaluate the existing railroad bridge. The railroad bridge is presumed
adequate for combined railroad and pedestrian loading. If a structural evaluation of the existing
railroad bridge is requested or deemed necessary, VHB will submit an amendment with a
separate scope and fee for this work.
if the structural members that are intended to remain as part of the existing walkway (timber ties
and timber stringers} are determined to be structurally inadequate, VHB will provide this
information to the City and not perform further rehabilitation alternatives as this would require a
more extensive evaluation and rehabilitation of the existing railroad bridge which is outside of this
effort.
Structural Design of the pedestrian walkway will be in accordance with the 2018 American
Railway Engineering and Maintenance-of-Way Association (AREMA) Manual.
No safety improvements are required for the Pan Am bridge.
. Plans will be developed in AutoCAD format.
Because this ts a municipal project, local zoning and permitting applications will not be required.
An architect is not required for design and detailing of the pedestrian walkway. lf a specialized
structure is required, an architect can be engaged as needed under a future amendment.
A separate scope and fee will be submitted to the City for Construction Phase Services.
All utility coordination will be performed by the City.