fa Task Name
Mc
@& Wetlands Permitting
Aas a
~ 8
AA Aas
Oevelop NHCES Wetlands Permit
Duration Stat Femauh Predecessors
O17 38d. Wed 12/22/2 Wed 12/28/2
55.8 day: Wed 12/22/2 Wed 2/9/22
Oevelop Impact Pans and Draft Permit Applicat]? days Thu 12/30/21 Fri 1/14/22
Wetland Miugatian Coordination
Stream Assessment
WHDES/Corps Pre-Application Meeting
AMHMDES Wetlands fermi - Draft
City Review
Revise and Resubmit
The following schedule on the next page was developed by VHB and prescribes in detail the
workflow for the environmental permitting
Please note the following highlighted dates:
e NH DES Wetland Permit on February 9"
e NH DES Permit Application Submittal on April 13"
e A Section 106 Determination of Eligibility by April 13"
e e106 Determination of Effect by May 1*
e NH DES 106 Mitigation/MOA Executed on August 8"
on the approach and constraints for soil and groundwater (e.g., dewatered liquid) management
to reduce potential for exposure of workers and the public to known or assumed contaminated
environmental media and to maintain conditions that are protective of human health and the
environment. In developing the plan, VHB will:
e Collaborate with the designer (and/or construction manager) to identify areas of
impacted environmental media requiring special handling/management during
construction; and
Because the scope of this effort is unknown, for budgeting purposes, we assume up to 62 hours
will be required to complete the post-application coordination. If required due to an agency
request not anticipated, reallocation or an adjustment to the original Scope of Services and fee
may be necessary if the follow-up services are more than the initial allocation.
Task 12. Archaeological Survey and Coordination (Optional)
e Address state and federal erosion and sedimentation control permitting requirements in
the project design,
e Prepare a drainage report that summarizes any changes in existing flows or drainage
patterns,
e Prepare a draft application for permit under the AoT program,
¢ Sign and stamp final civil design documents by a Professional Engineer (PE) licensed by
the State of New Hampshire, and
e¢ Complete a wildlife habitat assessment by a certified wildlife biologist pursuant to Env-
Wq 1503.19(h).
° Project Permitting Plan Set (i.e. complete 60% design plans set, including grading
plans, cross-sections and details)
° Wetlands Impact Plans
e Mitigation Proposal
e Supplementary Information required for Prime Wetlands applications in Env-Wt
704.03
=
V
vhb
As part of this task, VHB will arrange for up to three pre-application meetings with the
Conservation Commission and/or their representative and NHDES pursuant to Env-Wt 311.02.
Task 3. Stream Geomorphic Assessment
e Renaissance Park Redevelopment - The redevelopment of the park will likely include
rehabilitation and/or replacement of existing walls and banks that retain the park along
the Nashua River.
AGREEMENT FOR PROFESSIONAL SERVICES
BETWEEN
VANASSE HANGEN BRUSTUIN, INC.
AND
THE CITY OF NASHUA, NEW HAMPSHIRE
DOWNTOWN RIVERFRONT PROJECT
December 30, 2021
The following expands services under the existing agreement between the City of Nashua and
Vanasse Hangen Brustlin, Inc. (VHB) for the Nashua Downtown Riverfront Project dated
12/12/2019. This agreement is subject to the terms and conditions of the original contract.
SCOPE OF SERVICES
This agreement includes the following scope of work.
