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“> NORMANDEAU City of Nashua
AE ASSOCIATES August 16, 2021

ENVIRONMENTAL CONSULTANTS Page 2

(AIRs) from FERC as well as continued progress on the Protection, Mitigation, and Enhancement measures
(PMEs) proposed in the FLA and developed in consultation with the resource agencies.

Task 2: Jackson Mills — Exemption Amendment Support

The City filed a draft application for an amendment of exemption for the Jackson Mills Project with FERC on
April 19, 2021 for the removal and replacement of the existing turbine/generator/control equipment as part of
a facility upgrade. As part of comments submitted to FERC on June 17, 2021, the USFWS included a series of
Terms and Conditions related to the passage of diadromous fish species at Jackson Mills and intended to be
included in the FERC issued exemption amendment. The City was notified by FERC that the draft application
would not be processed in time for construction to occur during the summer of 2021. FERC also requested
that the City consult with the resource agencies and come to an understanding with the USFWS on fish
passage concerns outside of the application process. The cost provided below (under Task 2) is for
Normandeau to provide technical support to the City during consultation discussions with the resource
agencies expected to occur during August-December, 2021.

The time and materials cost for Normandeau to conduct the tasks described above is presented in Table 1.
The full amount for Normandeau to conduct all tasks described above is $32,260. This amount will not be
exceeded without prior written approval. Normandeau anticipates the services will be governed by the
Contract for Professional Services Dated 8/21/2019, the Consultant Services for Mine Fall Hydroelectric Facility
Licensing and Compliance Services Contract between the City of Nashua and Normandeau Associates, Inc.
Normandeau is prepared to begin work upon City of Nashua’s authorization to proceed in the form of a
Purchase Order referencing these agreed upon terms or signature of mutually agreeable contract terms and
conditions.

Table 1. Proposed cost (by task) for City of Nashua hydro project support.

Estimated Estimated
aT Hours Labor dela hen) eth)
Task 1: Mine Falls 196 S 25,460.00 SS - S 25,460.00
Task 2: Jackson Mills 40 S 6,800.00 Ss S 6,800.00
Total Fees 236 S 32,260.00 5S - S 32,260.00

If you have any questions or would like to discuss the content of this letter proposal, please do not hesitate to
call (603) 319-5310 or email (dtrested@normandeau.com ).

Sincerely,
< f Aap . _ 4 ah ;
i: Pe yartg <P #2 Vn
Drew Trested Curtis L. Thalken

Fisheries Biologist Chief Executive Officer

City of Nashua

Purchasing Department

Administrative Services Division (603) 589-3330
229 Main Street - Nashua, NH 03060 Fax (603) 594-3233
August 25, 2021
Memo #22-164
TO: Mayor Donchess
Finance Committee
SUBJECT: Jackson Mills Turbine, Generator and Controls Replacement Change Orders in the
amount not to exceed $99,000 funded from accounts 81700 Infrastructure

Improvements

Please see attached communications from Sarah Marchant, Director of Community Development, dated
August 17, 2021 for project specific details related to this purchase. Below please find a summary of the
purchase approval request:

Item: Change Orders #2 & #3 for Jackson Mills Turbine, Generator & Controls
Replacement Project
Value:
Change Order #2 — Warranty Extension $38,500
Change Order #3 — Storage Costs $60,500

To Total $99,000
Contract sum approved to date (prior to CO2 & CO3): $1,277,500
Vendor: Mavel Americas Inc
Department: 170 Hydroelectric Operations
Source Fund: 81700 Infrastructure Improvements

Ordinance: Pursuant to § 5-78 Major purchases (greater than $10,000) A. All supplies and
contractual services, except as otherwise provided herein, when the estimated
cost thereof shall exceed $10,000 shall be purchased by formal, written contract
from the lowest responsible bidder, after due notice inviting bids.

The Community Development Division, and the Purchasing Department respectfully request your
approval of this contract.

Regards,

Kelly Parkinson
Purchasing Manager

Ce: S Marchant
J Graziano

City of Nashua communty Development
Community Development Division Buang Barely at
City Hall, 229 Main Street, PO Box 2019 Traneportetion Depa iment
Nashua, New Hampshire 03061-2019 Waterways

www.nashuanh.gov

589-3095
589-3090
589-3080
589-3100
589-3085
880-0100
589-3092
589-3119

Date: August 17, 2021
To: John Griffin, CFO; Kelly Parkinson, Purchasing Manager
From: Sarah Marchant, Community Development Division Director

Re: Mavel Contract Change Orders #2 and #3- Jackson Mills Turbine, Generator and
Controls (TGC) Replacement

Background
The City is undertaking a major equipment replacement project at the Jackson Mills

hydroelectric facility. As part of that project, the City of Nashua entered into a contract with
Mavel Americas for the manufacture, transportation and installation of the turbine, generator and
controls (TGC) for the Jackson Mills hydroelectric project. The original schedule required the
TGC to be delivered to the site in August of 2021. Mavel issued a Ready To Ship Notice to the
City indicating the equipment was ready to be delivered. Due to permitting issues with the
Federal Energy Regulatory Commission (FERC) and the NH DES Wetlands Bureau, the
schedule has been extended. The new schedule, which takes into account winter weather, worker
safety and fish passage, requires the TGC to be delivered in September of 2022. Because of the
sensitivity and size of the equipment, it was determined to be infeasible to store the equipment
on-site or locally.

Change Order #2 — Attached

Because of the permitting delay, the delivery for TGC from Mavel is now scheduled for delivery
at Jackson Mills on or about September 15, 2022. The electrical equipment from Eaton is now
scheduled for delivery at Jackson Mills on or about November 1, 2022. This change order
extends the contract for an additional 397 days or until the completion of equipment installation.

TGC will be stored by Mavel in the Czech Republic. Additional electrical equipment
manufactured by Eaton, a subcontractor of Mavel, will be stored by Eaton in Maine. The costs
for storage of equipment are as follows:

Storage of equipment by Mavel: $49,000

Storage of equipment by Eaton: $11,500

Total Storage: $60,500

Change Order #3 - Attached

Because of the permitting delay, the TGC will be installed beginning in September 2022. The
warranty coverage for the equipment as described in the General Conditions Section 22.4 of the
contract indicates the original warranty period would begin 30 days from the date the equipment
was scheduled to be ready to be delivered and shall end 30 months thereafter. Based on the
Ready To Ship notice issued by Mavel on June 30, 2021, the original warranty will expire on
January 30, 2024. Assuming installation of the equipment is completed by February 28, 2023,

the original warranty would expire within 1 year of installation. To maintain the original intent of
the warranty coverage, the City will purchase the extension, which will extend the warranty
period one year until January 30, 2025.

Total extended warranty cost: $38,500

Mavel Contract

The increased costs from Change Orders No. 2 and No. 3 will increase the Mavel contract
amount from $1,277,500 to $1,376,500, and will extend the contract until February 2024 once
installation oversight and commissioning is complete.

Attached:

Change Order #2

Change Order #3

Mavel Ready To Ship Notice

Mavel July 9, 2021 letter, costs for storage and warranty

2|Page

121 Mount Vernon St, Boston, MA 02108, USA
Phone: +1617 242 2204 Fax: +1617 242 2205

July 9, 2021

John R. Lavigne, Jr., P.E., CFM

The H.L. Turner Group Inc.

Architects * Engineers = Building Scientists
27 Locke Road

Concord, New Hampshire 03301

Subject: Jackson Falls Hydroelectric Project
Change Order No. 2 — Delay delivery for one year

Hello John,

Mavel has been requested to estimate the cost of a delay in the shipment of goods for the Jackson Falls
Hydroelectric Project (“Jackson Falls HPP”) by one year and a related extension to the warranty.

The costs are categorized in four categories: fixed storage, fixed warranty extension, increased Field Services Costs
and possible transportation cost increases. The incremental costs are based on the following assumptions:

1. Customer has requested cost to delay the project by approximately one year.
- Mavel delivery would be postponed from August 14, 2021 to September 15, 2022
- Eaton delivery would be postponed from September 15, 2021 to November 15, 2022
2. Customer is requesting a one year extension on the warranty
- Current warranty expires 30 months after Ready to Ship.
- Ready to Ship notification was given June 30, 2021 and so expiration is December 30, 2023
- Customer has asked for warranty extension to December 15, 2024.

The incremental costs per category are detailed below.

Storage Costs:

- Storage of Equipment in CZ (turbine, generator, gearbox, HPU, GBLU) $49,000

- Storage and re-testing of Eaton equipment $11,500
Total Storage Costs: $60.500
Warranty Extension: $38,500
Field Service Rates (Estimate): 3% increase
Transportation: TBD?

- Transportation Cost Increase, if any, provided 30 days prior to transport

Note’: Mavel cannot estimate the transport cost one year from now. We know that overseas transport costs are
increasing but it is likely this might be temporary increase due to uncertain times (COVID). Mavel will document
the cost to ship now and if there is an increase next year will present the customer with the documentation.

Jackson Falls HPP Project No: 0-29029

121 Mount Vernon St, Boston, MA 02108, USA
Phone: +1617 242 2204 Fax: +1617 242 2205

Please let me know if you have any questions.

Best Regards

John Huysentruyt
Project Manager, Mavel Americas

cc: Daniel Petrak Project Manager, Mavel a.s.
Pavlina Brdkova Lead Designer, Mavel a.s.
Ladislav Kansky Engineering Department, Mavel a.s.
Jeanne L Hilsinger President
File Mavel Americas, Inc.
Jackson Falls HPP Project No: 0-29029

The H.L. Turner Group Inc.

27 Locke Road Concord, NH 03301 =: 603.228.1122 hiturner.com

Change Order

PROJECT:

Jackson Mills Hydroelectric
TGC Upgrade Project
Nashua, NH

OWNER:

City of Nashua, NH

City Hall

229 Main Street, PO Box 2019
Nashua, NH 03061-2019

TO CONTRACTOR:

Mavel America, Inc.

121 Mount Vernon Street
Boston, MA 02108

Change Order No: 2
Date: August 6, 2021
Architect’s Project No: 5010

Contract for: Supply of Equipment

Contract Dated: July 8, 2020

Summary of Changes:

The supplier of the turbine/generator equipment (Mavel) shall store
all equipment at his factory, or a site nearby and postpone delivery
to the project site from August 14, 2021 to September 15, 2022.
Mavel’s supplier of the electrical control equipment (Eaton) shall
store all the electrical equipment at his factory, or a site nearby

and postpone delivery to the project site from September 15, 2021
to November 1, 2022. The combined cost of storage for the Mavel
and Eaton Equipment is $60,500.

The Contract is changed as follows: The dollar amount has increased and time for delivery is extended.

Not valid until signed by the Owner, Architect and Contractor

The original Contract Sum was $1,271,700

Net change by previously Authorized Change Orders $5,800.00 (Change Order No. 1)
The Contract Sum prior to this Change order was $1,277,500

The Contract Sum will be increased by this Change Order No. 2 in the amount of $60,500

Change Order #2.docx 5010

ARCHITECTS = ENGINEERS = BUILDING SCIENTISTS

©Copyright 2021 un

1 of2

The H.L. Turner Group Inc.

27 Locke Road Concord, NH 03301 = t: 603.228.1122 hiturner.com

The New Contract Sum including this Change Order will be $1,338,000

The Contract Time will be changed by 397 days.
The Final Date for delivery of equipment per this Change Order is September 15, 2022

Architect: The H.L. Turner Group Inc. Owner: The City of Nashua, NH Contractor: Mavel America, Inc.
By: Paul M. Becht By: By: SEE
Date: August 6, 2021 Date: Date! auaques @ 2021
Change Order #2.docx 5010 2 of2

ARCHITECTS = ENGINEERS = BUILDING SCIENTISTS

©Copyright 2021

121 Mount Vernon St, Boston, MA 02108, USA
Phone: +1 617 242 2204 Fax: +1617 242 2205

June 30, 2021

John R. Lavigne, Jr., P.E., CFM

The H.L. Turner Group Inc.

Architects * Engineers = Building Scientists
27 Locke Road

Concord, New Hampshire 03301

Subject: Jackson Falls Hydroelectric Project
Submittal JAS-014-30.Jun.2021 — Ready to Ship Notice

Hello John,

Mavel is submitting this notice that the equipment is ready to ship from Czech Republic. This is the contract
Milestone No. 5 Equipment 100% Ready to Ship. | have supporting documentation that includes photo evidence
that the equipment is ready to ship as well as the Turbine Quality Control Dossier.

The files are too large for me to send by email. It is my practice to use the file transfer service Uschovna.com to
send large files. If the customer has a different ftp site that it prefers then | will use that. Please send me
distribution list for the supporting documentation.

Mavel Americas Inc. office will submit the invoice for milestones 4 and 5 today. Note that Milestone 4 is for
Embedded Parts Ready to Ship. This is the equipment that we agreed to remove from Mavel scope of delivery
and is being furnished by Bancroft. By agreement we combined the two milestones into a single payment.

We understand that the customer wishes us to suspend the delivery for up to one year. We have provided costs
for storing the equipment in Europe. We still need to give cost for Eaton equipment storage in USA. We are in

discussion with our suppliers for extended warranty to cover the project suspension.

Please let me know if you have any questions.

Best Regards

John Huysentruyt
Project Manager, Mavel Americas

cc: Petr Slechta Project Manager, Mavel a.s.
Pavlina Brdkova Lead Designer, Mavel a.s.
Ladislav Kansky Engineering Department, Mavel a.s.
File Mavel Americas, Inc.
1

Jackson Falls HPP Project No: 0-29029

121 Mount Vernon St, Boston, MA 02108, USA
Phone: +1 617 242 2204 Fax: +1617 242 2205

E

TRANSMITTAL LIST

DWG.NO. DESCRIPTION

REVISION
FOR APPROVAL
REVISED
QUANTITY

PHOTOS (COMPRESSED FILE SENT VIA FTP SITE)

TURBINE QUALITY CONTROL DOSSIER (COMPRESSED FILE SENT VIA FTP SITE)

Jackson Falls HPP Project No: 0-29029