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City of Nashua
Energy Recovery Upgrades

CHANGE ORDER 8 —- SUMMARY

Change Order 8 is composed of the following items:

1. Lump sum amount of $200,000, which includes:

a. *Compensation for down time experienced during resolution of method to proceed
for supporting generator no. 1, and all other miscellaneous delays.

b. PCO (Proposed Change Order) 18R1- fuel blending skid relocation in the amount of
$17,918.01 (this work is complete),

c. PCO22R1-Piping relocation for generators in the amount of $1,273.56 (this work is
complete).

d. PCO26-Natural Gas Testing in the amount of $6,715.96 (this work is complete).

e. PCO29R1-SCADA HMI Interface-installed SCADA on PLC in generator room in the
amount of $8344.88 (this work is complete).
(Copies of PCO18R1, 22R1, 26 and 29R1 are attached)

*Note that as part of this agreement and compensation sum Methuen will not seek any further
delay charges against the City and in return the City will not seek compensation in the form of
liquidated damages. Methuen further agrees to complete the remaining work as quickly as
possible; a final date of completion has been set, but will be further amended, if needed, due to
circumstances beyond Methuen’s control.

Methuen PCO #018

t
CONSTRUCTION

(=)

Methuen Construction Co., Inc. Project: 181012 - Nashua Energy Recovery Upgrade
144 Main Street - PO Box 980 2 Sawmill Rd.
Plaistow, New Hampshire 03865 Nashua, New Hampshire 03060

Phone: (603) 328-2222

Prime Contract Potential Change Order #018: Fuel Blending Skid

Relocation
TO: City of Nashua FROM: Methuen Construction Co., Inc.
229 Main Street 144 Main Street PO Box 980
Nashua New Hampshire, 03060 Plaistow New Hampshire, 03865
PCO NUMBERIREVISION: 018/1 CONTRACT: IFB0501-090618 NASHUA PO #146861 -
Nashua Energy Recovery Upgrade
REQUEST RECEIVED FROM: Jeremy Smith, P.E. (Waldron Engineering & CREATED BY: Kelly Jegorow (Methuen Construction Co.,
Construction, Inc.) Inc.)
STATUS: Pending - In Review CREATED DATE: 4/10 /2020
REFERENCE: DATE SENT: 10/19/2020
FIELD CHANGE: No PRIME CONTRACT None
CHANGE ORDER:
LOCATION: Fuel Blending Skid
SCHEDULE IMPACT: 20 days ACCOUNTING Amount Based
METHOD:
PAID IN FULL: No TOTAL AMOUNT: $17,918.01

Methuen Construction (MC), hereby submits this PCO in accordance with the documentation referenced herein. It is expressly understood and agreed
that this proposal is valid for the time as specified within this document from the date of the PCO. The Proposal is based upon current day construction
costs and does not include escalation costs for any material items that are either volatile or market sensitive. This Proposal does not include overtime
acceleration or expediting costs. This proposal does not include the costs associated with out of sequence construction, interference, impact related
delays and disruptions. MC reserves its rights under the agreement to seek additional time, indirect and impact costs associated with the PCO, once the
impacts can be fully evaluated. This proposal is submitted based on the understanding that it is exempt from WBE/MBE participation requirements and

acceptance of this proposal waives the participation requirements associated with this additional work.

POTENTIAL CHANGE ORDER TITLE: Fuel Blending Skid Relocation
CHANGE REASON: Client Request

POTENTIAL CHANGE ORDER DESCRIPTION: (The Contract Is Changed As Follows)
CE #042 - PCO 018 Fuel Blending Skid Relocation

Per RFI#21 the Owner requested the relocation of the fuel blending skid to maintain access to the digester. This relocation has caused in an increase
in costs related to this work. This proposal covers the additional labor and materials required for the relocation including added vent pipe length, added
biogas, natural gas and blended gas piping, additional hangers as well as custom supports for the skid. In addition, this relocation impacted the overall
project completion so we are requesting and additional 20 days be added to the contract completion date.

ATTACHMENTS:
PCO No 18- FBS Extra Work.pdf

Burden Rate

# Cost Code Description Type Amount Subtotal
‘pt yp 4 (43.00% Applies to Labor.) u

87-0306 -
1 ~ TLabor Labor $ 5,160.88 $2,210.14 $7,380.06
Fuel Train
22-0150 - subcontract
2 [PROCESS | subcontractor Labor ubconiract | § 12,078.23 $0.00 $12,078.23
PIPING or

Methuen Construction Co., Inc. page 1 of 2 Printed On: 10/19/2020 11 :59 AM

PCO #018

INSTALLATI
ON
22-0150 -
PROCESS Subcontract
3 | PIPING Labor or ($9,739.48) $ 0.00 ($9,739.48)
INSTALLATI
ON
22-0150 -
PROCESS
4 |PIPING Material Material $ 3,774.82 $ 0.00 $3,774.82
INSTALLATI
ON
87-0306 - . .
5 Fuel Train Equipment Equipment $ 952.00 $ 0.00 $952.00
01-0520 -
6 | PROJECT As-builts Material $ 160.00 $ 0.00 $160.00
ENGINEER
Subtotal:] $12,386.45 $2,219.18 $14,605.63
GC Work Total Fee - Labor: 15.00% Applies to Labor. $ 1,107.01
GC Work Total Fee - Material & Equipment: 15.00% Applies to Other, Material, and Equipment. $ 733.02
GC Subcontractors Work Fee: = 47.93% Applies to Subcontractor. $ 1,121.02
Bond & General Liability: 2.00% Applies to Other, Material, Committed Costs, Labor, Rental Equipment Relief, Equipment, Subcontractor, and Burden. $ 351.33
Grand Total: $17,918.01
Jeremy Smith, P.E. (Waldron Engineering City of Nashua Methuen Construction Co., Inc.
& Construction, Inc.)
37 Industrial Drive Suite G-1 229 Main Street 144 Main Street PO Box 980
Exeter, New Hampshire 03833 Nashua, New Hampshire 03060 Plaistow, New Hampshire 03865
SIGNATURE DATE SIGNATURE DATE SIGNATURE DATE

Methuen Construction Co., Inc.

page 2 of 2

Printed On: 10/19/2020 11:59 AM

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| 2

Methuen Construction Co., Inc.
144 Main Street - PO Box 980
Plaistow, New Hampshire 03865
Phone: (603) 328-2222

Methuen
CONSTRUCTION

PCO #022

Project: 181012 - Nashua Energy Recovery Upgrade

2 Sawmill Rd.
Nashua, New Hampshire 03060

Prime Contract Potential Change Order #022:
Generator Engines

PCO NUMBERIREVISION:

REQUEST RECEIVED FROM:

STATUS:
REFERENCE:

FIELD CHANGE:

LOCATION:
SCHEDULE IMPACT:

PAID IN FULL:

City of Nashua
229 Main Street
Nashua New Hampshire, 03060

022 / 1

Pending - In Review

No

0 days

No

FROM:

CONTRACT:

CREATED BY:

CREATED DATE:
DATE SENT:
PRIME CONTRACT
CHANGE ORDER:

ACCOUNTING
METHOD:

TOTAL AMOUNT:

Piping Relocation for

Methuen Construction Co., Inc.
144 Main Street PO Box 980
Plaistow New Hampshire, 03865

IFB0501-090618 NASHUA PO #146861 -
Nashua Energy Recovery Upgrade

Anthony Crespo (Methuen Construction Co.,
Inc.)

6/29 /2020
10/20/2020

None

Amount Based

$1,273.56

Methuen Construction (MC), hereby submits this PCO in accordance with the documentation referenced herein. It is expressly understood and agreed
that this proposal is valid for the time as specified within this document from the date of the PCO. The Proposal is based upon current day construction

costs and does not include escalation costs for any material items that are either volatile or market sensitive. This Proposal does not include overtime

acceleration or expediting costs. This proposal does not include the costs associated with out of sequence construction, interference, impact related

delays and disruptions. MC reserves its rights under the agreement to seek additional time, indirect and impact costs associated with the PCO, once the
impacts can be fully evaluated. This proposal is submitted based on the understanding that it is exempt from WBE/MBE participation requirements and

acceptance of this proposal waives the participation requirements associated with this additional work.

POTENTIAL CHANGE ORDER TITLE: Piping Relocation for Generator Engines

CHANGE REASON: No Change

Reason

POTENTIAL CHANGE ORDER DESCRIPTION: (The Contract Is Changed As Follows)

CE #052 - PCO 022- Pipe Relocation for Generators
Proposal has been revised to remove 1/2 of MCC labor costs and the request for an additional day of contract time.

ATTACHMENTS:

# Cost Code Description

Type Amount

Burden Rate
(43.00% Applies to Labor.)

Subtotal

22-0150 -
PROCESS
1 | PIPING
INSTALLATI
ON

LABOR

Labor $ 288.68

$124.13 $412.81

22-0150 -
PROCESS
2 | PIPING
INSTALLATI
ON

EQUIPMENT

Equipment $ 68.00

$ 0.00 $68.00

Methuen Construction Co., Inc.

page 1 of 2

Printed On: 10/20/ 2020 02:37 PM

PCO #022

22-0150 -
PROCESS Subcontract
3 | PIPING SUBCONTRACTOR or $ 640.00 $ 0.00 $640.00
INSTALLATI
ON
Subtotal: $996.68 $124.13 $1,120.81
GC Work Total Fee - Labor: 15.00% Applies to Labor. $61.92
GC Work Total Fee - Material & Equipment: 15.00% Applies to Other, Material, and Equipment. $10.20
GC Subcontractors Work Fee: = 8.7% Applies to Subcontractor. $55.65
Bond & General Liability: 2.00% Applies to Other, Material, Committed Costs, Labor, Rental Equipment Relief, Equipment, Subcontractor, and Burden. $ 24.98
Grand Total: $1,273.56

Jeremy Smith, P.E. (Waldron Engineering
& Construction, Inc.)

37 Industrial Drive Suite G-1
Exeter, New Hampshire 03833

City of Nashua

229 Main Street
Nashua, New Hampshire 03060

Methuen Construction Co., Inc.

144 Main Street PO Box 980
Plaistow, New Hampshire 03865

SIGNATURE DATE

Methuen Construction Co., Inc.

SIGNATURE DATE

page 2 of 2

SIGNATURE DATE

Printed On: 10/20/2020 02 :37 PM

PCO #026

Mathuen Consiruction Co., Inc. Project: 181012 - Nashua Energy Recovery Upgrade
144 Main Street - PO Box 980 2 Sawmill Rd.
Plaistow, New Hampshire 03865 Nashua, New Hampshire 03060

Phone: (603) 328-2222

Prime Contract Potential Change Order #026: Natural Gas Emission
Testing

TO: City of Nashua FROM: Methuen Construction Co., Inc.
229 Main Street 144 Main Street PO Box 980
Nashua New Hampshire, 03060 Plaistow New Hampshire, 03865
PCO NUMBERIREVISION: 0268/0 GONTRACT: 1FB0501-090618 NASHUA PO #146861 -
Nashua Energy Recovery Upgrade
REQUEST RECEIVED FROM: Michael Kellay (CK Environmental, inc.) CREATED BY: Anthony Crespo (Methuen Construction Co.,
Inc}
STATUS: Pending - In Review CREATED DATE: 5/26 /2020
REFERENCE: DATE SENT: 5/26/2020
FIELD CHANGE: No PRIME CONTRACT None
CHANGE ORDER:
LOCATION: Energy Recovering Building
SCHEDULE IMPACT: 2 days ~ ACCOUNTING Amount Based
METHOD:
PAID IN FULL: No TOTAL AMOUNT: $6,715.96

Methuen Construction (MC), hereby submits this PCO in accordance with the documentation referenced herein. It is expressly understood and agreed
that this proposal is valid for the ‘ime as specified within this document from the date of tne PCO, The Praposal is based upon current day construction
costs and does nol include escalation costs for any material items that are either volatile or market sensitive. This Proposal does not Include overtime
acceleration or expediting costs. This proposal does not include the costs associated with oul of sequence constructlon, interference, impact related
delays and disruptions. MC reserves its rights under the agreement to seek addilional time, indirect and impact costs associated with the PCO, once the
impacts can be fully evaluated. This proposal is submitted based on the understanding that It is exemp! from WBE/MBE pariicipation requirements and
acceptance of this proposal waives the participation requirements associated with this additional work.

POTENTIAL CHANGE ORBER TITLE: Natural Gas Emission Testing
CHANGE REASON: Client Request

POTENTIAL CHANGE ORDER DESCRIPTION: (The Contract Is Changed As Follows)
CE #049 - PCO 26- Natural Gas Emissia stin

Scope: Per RFI #63 and multiple site visits with NH DES, the DES has requested that we add a natural gas test to the overall emission testing protocol.
After further raview of the specs, it does not call out a test of 2 different gases on each engine, just blended gas. If the city would like to test on both gas
mixes (natural gas and blended gas) the added cost is broken out below. As a result of the extra day worlh of work, MC requests that 2 days is added to
the overall construction schedule, MG Labor includes sequencing from blended gas to natural gas throughout the duration of the emission test. See
attached CK Environemntal Breakdown. Please note we will not proceed with testing until the executive change order Is approved.

ATTACHMENTS:
PCO No 026- Natural Gas Emission Testing.pdf

Burdon Rato
# | Cost Code Description Type Amounl {43.00% Applies to Labor.) Subtetal

001-0002- | Labor assoclated with emission
1 | sien Time testing Labor § 1,091.84 $ 469,45) $1,561.33

Mathuen Construction Co.,, Inc. page 1of2 Printed On; 6/26/ 2020 09:42 AM

PCO #026

01-2170 Subcontract
2 {STACK Extra Natural gas emisslan test or $4,400.60 $0.00 $4,400.00
TESTING
Subtotals 35,497.84 3469.49 $5,961,93
GC Work Total Foe - Labor 15.00% Applies to Labor. $ 234,20
GC Work Total Foo - Materla! & Equipmont: 15.00% Applies to Olher, Material, and Equipment, $0.00
Ge Subcontractors Work Fas: = 8.7% Appiles to Subcontractor. 5982.61
Bond & Ganoral Liabillty: = 2,1% Appilos to Othar, Matarlal, Committed Casts, Labor, Rental Equipment Relief, Equipment, Subcontractor, and Burden. 5 137.82
Grand Total: $6,715.96
Jeremy Smith, PE. (Waldron Engineering City of Nashua Methuen Construction Co,, Inc.
& Construction, Inc.)
37 Industrial Drive Suite G-1 229 Main Street 144 Main Street PO Box 980
Exeter, New Hampshire 03833 Nashua, New Hampshire 03080 Plaistow, New Hampshire 03865
SIGNATURE DATE SIGNATURE DATE SIGNATURE DATE

Methuen Construction Co,, inc.

page 2 of 2

Printed On: 5/26/ 2020 09 12 AM

PCO #029

Methuen Construction Co., Inc. Project; 181012 - Nashua Energy Recovery Upgrade
144 Main Street - PO Box 980 2 Sawmill Rd,
Plaistow, New Hampshire 03865 Nashua, New Hampshire 03060

Phone: (603) 328-2222

Prime Contract Potential Change Order #029: PCO 029- SCADA HMI

Interface
TO: City of Nashua FROM: Methuen Construction Co., Inc,
229 Main Sireet 744 Main Street PO Box 980
Nashua New Hampshire, 03060 Plaistow New Hampshire, 03865
PCO NUMBERI/REVISION: 029 / 4 CONTRACT: IFB0501-050618 NASHUA PO #146861 -
Nashua Energy Recovery Upgrade
REQUEST RECEIVED FROM: Jeremy Smith, RE, (Waldron Engineering & CREATED BY: Anthony Crespo (Methuen Construction Co.,
Gonstruction, Inc.) Ins.)
STATUS: Pending - Not Proceeding CREATED DATE: 719 12020
REFERENCE: —_ DATE SENT: 28/2021
FIELD CHANGE: No PRIME CONTRACT None ”
CHANGE ORDER;
LOCATION:
SCHEDULE IMPACT: O days ACCOUNTING Amount Based
METHOD:
PAIO IN FULL: No TOTAL AMOUNT: $8,344.88

Methuen Consiruction (MC), hereby submits this PCO in accordance with the documentation referenced herein, (tis expressly understaod and agreed
that this proposal is valid for the time as specified within this document from the date of the PCO. The Proposal is based upon current day construction
costs and does not include escalation costs for any material items that are either volatile or market sensitive. This Proposal does not include overtime
acceleration or expediting costs. This proposal does nol include the costs associated with oul of sequence construction, interference, impact related
delays and disruptions. MC reserves its rights under the agreement to seek additional! time, indirect and impact costs associated with the PCO, once the
impacts can be fully evaluated. This proposal Is submitted based on the understanding thal it is exernpt from WBE/MBE participation requirements and
acceptance of this proposal waives the participation requirements associated with this additional work.

POTENTIAL CHANGE ORDER TITLE: PCO 029- SCADA HMi Interface
CHANGE REASON: Design Development

POTENTIAL CHANGE ORDER DESCRIPTION: (The Contract is Changed As Follows)

CE #062 - PCO 29- SCADA H terface

Per Waldrans EON-005, Elt will install SCADA HMI interface screens for WWTF Energy recovery equipment to match those provided in 409423 2.04.4.
Ell will also develop SCADA screens and test with PLG15, Transfer to all SCADA nodes, and train operators as needed. MC requests additional days be
added to the contract completion date to match the date this work is completed. Work will not commense until an executed change order Is recelved
and all other pending proposals are approved and included in a formal change order.

ATTACHMENTS:
ECN-005 SCADA Screen Development.dac.pdf_

Burdan Rate

a

# | Cost Code Dascription Type Amount {43.00% Appllos to Labor) Subtatal
26-0100 -
BASIC Subcontract

i ELECTRICA SUBCONTRACTOR or $7,526.75 $9,060 $2,526.75

L

Subtotal: $?,526.75 $0.00 $7,526.75

Mathuen Construction Co., Inc. page 1 of 2 Printed On: 2/18/ 2021 02:45 PM

PCO #029

GC Work Total Fee - Labor: 15.00% Applies to Labor. $0.00

GC Work Totai Foo - Material & Equipment: 18.00% Appilag to Othoz, Material, and Equipment. $5.00

GC Subcontractors Work Fea; = 8.7% Applics to Subcontractor $654.50

Band & General Labltity: 2.00% Applies to Other, Matezlal, Committed Costs, Labor, Ranta! Equipmont Roliaf, Equipmont, Subcontractor, end Burdon. $ 163.63
Grand Total: $8,344.28

Jeremy Smith, P.E. (Waldron Engineering
& Construction, inc.)

37 Industrial Drive Suite G-1
Exeter, New Hampshire 03893

City of Nashua

229 Main Street
Nashua, New Hampshire 03060

Methuen Construction Co,, Ins.

144 Main Street PO Box 980
Plaistow, New Hampshire 03865

SIGNATURE DATE

Methuen Construction Co,, Inc,

SIGNATURE DATE

page 2 of 2

SIGNATURE DATE

Printed On: 2/18/ 202% 02:45PM

FINANCE COMMITTEE
AUGUST 18, 2021
7:00 PM Aldermanic Chamber and Zoom

To Join Zoom meeting: https://us02web.zoom.us/j/81533585780? pwd=N 3dt V002S GZ 2 YzR2bj Yz VI kKSN25WZz09
Meeting ID: 815 3358 5780 Passcode: 373786

To Join by Telephone: 1-929-205-6099
Meeting ID: 815 3358 5780 Passcode: 373786

If there is a problem with the audio, please dial 603-589-3329 to advise.

ROLL CALL

PUBLIC COMMENT

COMMUNICATIONS

From: Kelly Parkinson, Purchasing Manager

Re: Software & Hardware Maintenance in the amount not to exceed $74,406.81 funded from accounts
54407 Software Maintenance & 54412 Hardware Maintenance

From: Kelly Parkinson, Purchasing Manager

Re: | Energy Recovery Upgrades Change Order in the amount not to exceed $230,000 funded from
accounts 81300 Machinery & Equipment

From: Kelly Parkinson, Purchasing Manager

Re: Personal Protective Clothing & Equipment in the amount not to exceed $29,800.40 funded from
accounts 61110 Protective Clothing

UNFINISHED BUSINESS

NEW BUSINESS — RESOLUTIONS

NEW BUSINESS — ORDINANCES

RECORD OF EXPENDITURES

GENERAL DISCUSSION

PUBLIC COMMENT

REMARKS BY THE ALDERMEN

NON-PUBLIC SESSION

ADJOURNMENT