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NOW, THEREFORE, in consideration of said AGREEMENT and other good and valuable considerations, it
is hereby agreed and acknowledged by and between OWNER and ENGINEER to amend the AGREEMENT,
as follows:

The AGREEMENT shall be further amended to include this Amendment, a copy of which shall be attached
thereto and made a part thereof.

1. Paragraph IV (A) (1-2) shall be MODIFIED as follows;
A. Method of Payments Amounts of Fees

1. Payment to the ENGINEER, for services rendered, shall be according to the following schedule:

For the Dry Well Valve and Pipe Replacement Engineering Design, monthly billing based on
hours and ENGINEER’s actual direct labor rates time a factor of 2.96 rates-bytabor- category
with-mark-up and incidental expenses in accordance with the attached Exhibit B —- Fee Schedule.

For the Wash Press Chute Modifications and the Screening Garage Odor Control Engineering Design,
monthly billing based on hours and ENGINEER’s actual direct labor rates time a factor of 3.01 rates

bytaber-categerywithtmark-up and incidental expenses in accordance with the attached Exhibit B -
Amendment 1 Fee Schedule.

2. The OWNER agrees to pay and the ENGINEER agrees to accept for all services under
Exhibit A, Dry Well Valve and Pipe Replacement Phase | Preliminary Design of the AGREEMENT,
a fee not to exceed

One Hundred Five Thousand Eight Hundred and 00/100 Dollar ($105,800.00).

The OWNER agrees to pay and the ENGINEER agrees to accept for all services under Exhibit
A- Amendment 1, Wash Press Chute Modifications and the Screening Garage Odor Control Design of
AMENDMENT 1, a fee not to exceed

Seventy-Eight Thousand Three Hundred and 00/100 Dollars ($78,300.00).

The OWNER agrees to pay and the ENGINEER agrees to accept for all services an
amended fee not to exceed:

One Hundred Eighty-Four Thousand One Hundred and 00/100 Dollars($184,100.00)

Page 2 of 3

2. Paragraph IV (B) (1) shall be MODIFIED as follows;
B. Limits of All Payments

1. The ENGINEER hereby assures the OWNER and agrees that the following fee for his services
(exclusive of surveys, borings, and certain special services which follow) in connection with the
preparation of final plans, specifications, and contract documents and other work as generally described
under I(A) is adequate to complete the assignment and shall not exceed:

To be determined Dollars ($TBD) for the Dry Well Valve and Pipe Replacement
Engineering Design; and

Seventy-Eight Thousand Three Hundred and 00/100 Dollars ($78,300.00) for the
Wash Press Chute Modifications and the Screening Garage Odor Engineering Design.

IN WITNESS WHEREOF, the parties hereto have made and executed this AMENDMENT to said AGREEMENT as of
the day and year first above written.

ENGINEER:
WRIGHT-PIERCE

By:
(Authorized Representative *)
Date:
OWNER:
CITY OF NASHUA
By:
(Authorized Representative *)
Date:
APPROVED:

DEPARTMENT OF ENVIRONMENTAL SERVICES
Water Division

By:

(Authorized Representative **)

Date:

Signatures should be supported by appropriate document.

It is agreed that as an act in furtherance of its statutory authority to approve engineering agreements for treatment works, the
DIVISION's approval does not impose any contractual obligation or liability on the State of New Hampshire, the Department of
Environmental Services or the Division.

Page 3 of 3

NHDES-W-09-024

Page 1 of 4

Exhibit B — Fee Schedule
(Preliminary Design of WWTF Dry Well and Pipe Replacement)

Cost or Price Summary Format for Sub-agreements Under NH SAG and SRF

Part I: General

Grantee/Loanee Name: City of Nashua

Grant/Loan #:

Contractor/Subcontractor Name: Wright-Pierce

Proposal Date: September 23, 2021

Contractor/Subcontractor Address:

11 Bowdoin Mill Island, Suite 140,
Street name and number

Topsham, ME

City/Town

04086
State ZIP

Services Furnished:

Professional Engineering for
Preliminary Design of WWTF Dry Well
and Pipe Replacement

Part Il: Cost Summary

Direct Labor (Specify labor categories) Hours Hourly Estimated Totals
Rate (Est.) Cost
Principal-in-Charge 8 $67.00 $536
Project Manager 46 $63.00 $2,898
Sr. Lead Project Engineer 110 $44.00 $4,840
Project Engineer 250 $35.00 $8,750
Process CAD 118 $37.25 $4,396
Process Technical Advisor 16 $61.00 $976
Architect 40 $47.34 $1,894
Architect CAD 58 $33.00 $1,914
Structural Engineer 30 $69.72 $2,092
Instrument. Engineer 44 $60.00 $2,640
Instrument. CAD 16 $33.00 $528
Electrical Engineer 22 $66.00 $1,452
Admin. Assistant 10 $24.00 $240
QA/QC Manager 4 $68.00 $272
Direct Labor Total $33,427
Indirect Costs (Specify indirect cost pools.) Rate X Base = Est. Cost
168.7% $33,427 $56,392
Indirect Costs Total $56,392
Other Direct Costs Est. Cost
Transportation
Travel Costs Total | $1,600
Equipment Materials, Supplies (Specify categories.) Qty. Cost Est. Cost
Printing, postage, telephone, fax, etc. 1 $400
Equipment Subtotal $400
Subcontracts Est. Cost
Matter Scan
Subcontractors Subtotal $5,000
Est. Cost
Other Direct Costs Total $7,000
Total Estimated Cost $96,818
Profit $8,982
Total Price $105,800

2021-09

Page 2 of 4

Part Ill Price Summary

Competitors Catalog Listings, In-house Estimates, Prior Quotes
(Indicate basis for price comparison)

Market
Price(s)

Proposed
Price

Total

Part IV Direct Labor by Category

14. Insert the appropriate work category in the table below. Work categories would include but not be limited to those
categories shown in the Contract Documents such as design, survey, subsurface, cadastral, O&M Manual, administration,
inspection, record drawings, start-up, special services etc.

Work wa: . . Prepare oy,
Initial Planning | Preliminary Finalize
Category . Draft ae .
and Design , Preliminary Design | Total Hours Rate Cost
. ae Preliminary
Investigations | Development . Report
Drawings
Principal-in- 2.0 4.0 2.0 0.0 8.0 $67.00 $536
Charge
Project 6.0 26.0 14.0 0.0 46.0 $63.00 | $2,898
Manager
Sr. Lead
Project 14.0 60.0 28.0 8.0 110.0 $44.00 $4,840
Engineer
Project 24.0 160.0 50.0 16.0 250.0 $35.00 | $8,750
Engineer
Process CAD 24.0 62.0 24.0 8.0 118.0 $37.25 $4,396
Process
Technical 0.0 8.0 8.0 0.0 16.0 $61.00 5976
Advisor
Architect 2.0 24.0 12.0 2.0 40.0 $47.34 $1,894
Architect 24.0 28.0 4.0 2.0 58.0 $33.00 | $1,914
CAD
Structural
. 0.0 20.0 8.0 2.0 30.0 $69.72 $2,092
Engineer
Instrument. 6.0 20.0 16.0 2.0 44.0 $60.00 | $2,640
Engineer
Inst t.
nstrumen 0.0 0.0 16.0 0.0 16.0 $33.00 | $528
CAD
Electrical
ec rica 4.0 8.0 8.0 2.0 22.0 $66.00 $1,452
Engineer
Admin. 0.0 0.0 8.0 2.0 10.0 $24.00 $240
Assistant : : : : , .
A/QC
Qa/Q 0.0 0.0 4.0 0.0 4.0 $68.00 $272
Manager

Total Direct Labor Costs:

$33,427

Page3 of 4

Exhibit B — Fee Schedule (Amendment 1)
(Wash Press Chute Modifications and Screenings Garage Odor Control)
Cost or Price Summary Format for Sub-agreements Under NH SAG and SRF

Part I: General

Grantee/Loanee Name: City of Nashua

Grant/Loan #:

Contractor/Subcontractor Name: Wright-Pierce

Proposal Date: September 23, 2021

Contractor/Subcontractor Address:

Services Furnished:

11 Bowdoin Mill Island, Suite 140, Topsham, ME 04086 Professional Engineering for Design of
Street name and number City/Town State ZIP WWTE -Screenings Garage Odor
Control and WWTF — Wash Press Chute
Modifications
Part Il: Cost Summary:
Direct Labor (Specify labor categories) Hours Hourly Estimated Totals
Rate (Est.) Cost
Project Manager 30.0 $62.32 $1,870
Sr. Lead Project Engineer 62.0 $45.88 $2,845
Project Engineer 104.0 $35.00 $3,640
Process CAD 92.0 $32.00 $2,944
Architect 43.0 $50.00 $2,150
Architect CAD 26.0 $29.00 $754
Structural Engineer 41.0 $52.50 $2,153
Structural CAD 36.0 $33.00 $1,188
Mechanical Engineer 61.0 $46.00 $2,806
Mechanical CAD 28.0 $0.00 SO
Instrument. Engineer 24.0 $53.50 $1,284
Instrument. CAD 16.0 $33.00 $528
Electrical Engineer 26.0 $65.00 $1,690
Electrical CAD 26.0 $33.00 $858
Admin. Assistant 17.0 $20.00 $340
QA/QC Manager 6.0 $68.00 $408
Direct Labor Total $25,457
Indirect Costs (Specify indirect cost pools.) Rate X Base = Est. Cost
174.0% $25,457 $44,295
Indirect Costs Total $44,295
Other Direct Costs Est. Cost
Transportation
Travel Costs Total | $1,573
Equipment Materials, Supplies (Specify categories.) Qty. Cost Est. Cost
Printing, postage, telephone, fax, etc.
Equipment Subtotal
Subcontracts Est. Cost
Matter Scan
Subcontractors Subtotal
Est. Cost
Other Direct Costs Total $1,573
Total Estimated Cost $71,325
Profit $6,975
Total Price $78,300

Page 4 of 4

Part Ill Price Summary

Competitors Catalog Listings, In-house Estimates, Prior Quotes
(Indicate basis for price comparison)

Market
Price(s)

Proposed
Price

Total

Part IV Direct Labor by Category

14. Insert the appropriate work category in the table below. Work categories would include but not be limited to those
categories shown in the Contract Documents such as design, survey, subsurface, cadastral, O&M Manual, administration,

inspection, record drawings, start-up, special services etc.

Work Category , Final Design . .

Preliminary Documents & Final Design Total Hours Rate Cost

Design . Allowances
Cost Estimates

Project Manager 16.0 13.0 1.0 30.0 $62.32 $1,870
Sr. Lead Project Engineer 34.0 26.0 2.0 62.0 $45.88 $2,845
Project Engineer 44.0 58.0 2.0 104.0 $35.00 $3,640
Process CAD 40.0 52.0 0.0 92.0 $32.00 $2,944
Architect 18.0 24.0 1.0 43.0 $50.00 $2,150
Architect CAD 8.0 18.0 0.0 26.0 $29.00 $754
Structural Engineer 40 36.0 1.0 A1.0 $52.50 $2,153
Structural CAD 0.0 36.0 0.0 36.0 $33.00 $1,188
Mechanical Engineer 24.0 36.0 1.0 61.0 $46.00 $2,806
Mechanical CAD 28.0 0.0 0.0 28.0 $0.00 SO
Instrument. Engineer 4.0 20.0 0.0 24.0 $53.50 $1,284
Instrument. CAD 0.0 16.0 0.0 16.0 $33.00 $528
Electrical Engineer 40 22.0 0.0 26.0 $65.00 $1,690
Electrical CAD 0.0 26.0 0.0 26.0 $33.00 $858
Admin. Assistant 8.0 8.0 1.0 17.0 $20.00 $340
QA/QC Manager 0.0 6.0 0.0 6.0 $68.00 S408

Total Direct Labor Costs:

$25,457

Exhibit A —-Amendment 1 Scope of Services

Task A. Preliminary Design
1) Hold aproject kick-off meeting and site visit to confirm existing conditions with the Screenings Garage.
2) Prepare a basis of design memorandum identifying the recommended Screenings Garage odor control
technology, capacity, location, and ventilation scheme.

a. Assume activated carbon is preferred technology.

b. Identify building system (electrical, instrumentation, architectural, structural, heating/ ventilation)
and site scopes of work. In particular, assess heating capacity based on recommended ventilation
capacity and the need for any improvements.

3) Submit odor control basis of design memorandum to the City for review and comment. Meet with the Gty.
4) Submit final memorandum to NHDESfor review and comment. Final document to be incorporated into Dry
Well Upgrade Preliminary Design Report package.

Task B. Final Design
Based upon the approved basis of design memorandum, the final design will be prepared.

1) Develop 60% Contract Documents
a. Prepare drawings and draft specifications for constructing the project (front-end bidding
specifications and general drawing sheets will be developed under the concurrent Dry Well
Upgrade project) in accordance with Gty and NHDESrequirements. Prepare construction cost
estimate.
b. Meet with the Cty to review the 60% package (it is assumed this meeting will occur concurrent
with the 60% design review of the Dry Well Upgrade project).
c. Submit the 60% design package to NHDESfor review and comment.
2) Develop 95% Contract Documents
a. Based on feedback from the 60% design review meeting, update the plans, technical specifications
and construction cost estimate.
b. Submit draft 95% plans, technical specifications and cost estimate to City for their review.
c. Meet with the Cty to review the 95% package (it is assumed this meeting will occur concurrent
with the 95% design review of the Dry Well Upgrade project).
d. Submit the 95% design package to NHDESfor review and comment.

3) Prepare Final Pians, Technical Specifications and Cost Estimate — upon the City and NHDES acceptance of
the 95%plans and technical specifications, Wright-Pierce shall proceed with the final, bid-ready design
plans, technical specifications and estimates for construction costs. Final front-end bidding specifications
and general drawing sheets will be developed under the Dry Well Upgrade project.

Task C. Bidding Services

1) Provide asmall allowance for assistance with bidding and construction administration.

WRIGHT-PIERCE > 1 of 2

Engineering a Better Environment

Task A. Preliminary Design
1) Hold a project kick-off meeting and site visit to confirm existing conditions with the Screenings Room and
Screenings Garage.
2) Prepare atechnical memorandum and preliminary drawing for replacement of one (or more) 90-degree
bend fittings on the discharge piping of Wash Press No. 1 and No. 2.
a. Identify two alternative discharge piping alignments and associated building system modifications
(structural, architectural).
b. Meet with the Cty to review alternatives and select one alignment to move forward with.
3) Submit wash press discharge piping technical memorandum to the Gty for review and comment. Meet
with the Cty.
4) Submit final memorandum to NHDESfor review and comment. Final document to be incorporated into Dry
Well Upgrade Preliminary Design Report package.

Task B. Final Design
Based upon the approved basis of design memorandum, the final design will be prepared.

1) Develop 60% Contract Documents
a. Prepare drawings and draft specifications for constructing the project (front-end bidding
specifications and general drawing sheets will be developed under the concurrent Dry Well
Upgrade project) in accordance with Gty and NHDESrequirements. Prepare construction cost
estimate.
b. Meet with the Cty to review the 60% package (it is assumed this meeting will occur concurrent
with the 60% design review of the Dry Well Upgrade project).
c. Submit the 60% design package to NHDESfor review and comment.
2) Develop 95% Contract Documents
a. Based on feedback from the 60% design review meeting, update the plans, technical specifications
and construction cost estimate.
b. Submit draft 95% plans, technical specifications and cost estimate to City for their review.
c. Meet with the Cty to review the 95% package (it is assumed this meeting will occur concurrent
with the 95% design review of the Dry Well Upgrade project).
d. Submit the 95% design package to NHDESfor review and comment.

3) Prepare Final Pians, Technical Specifications and Cost Estimate — upon the City and NHDES acceptance of
the 95%plans and technical specifications, Wright-Pierce shall proceed with the final, bid-ready design
plans, technical specifications and estimates for construction costs. Final front-end bidding specifications
and general drawing sheets will be developed under the Dry Well Upgrade project.

Task C. Bidding Services

1) Provide asmall allowance for assistance with bidding and construction administration.

WRIGHT-PIERCE > 20f2

Engineering a Better Environment

Screenings Garage Odor Control

Qty of Nashua, NH

ESTIMATED STAFF EFFORT (HOURS) AND COSTS

EXHIBIT B - AMENDMENT 1
FEE SCHEDULE

20928
TASK DESCRIPTIONS &./Lead
Principal In Project Project Project Architectural | Structural Structural Mechanical | Mechanical | Instrument. | Instrument. Hectrical Admin. QA/ QC SUBS Mark-
Charge Manager Engineer Engineer Process CAD Architect CAD Engineer CAD Engineer CAD Engineer CAD Engineer Hectrical CAD| Assistant Manager |TOTALHOURS| NON-LABOR | SUBSOOST Up LABOR TOTAL
Hourly Billing Rate] $201.94 $187.83 $138.28 $105.49 $96.45 $150.70 $87.41 $158.24 $99.46 $138.64 $0.00 $161.25 $99.46 $195.91 $99.46 $60.28 $204.95
A Preliminary Design Odor Control
1 Kick off Meeting 2 4 4 4 14 $200 $0 $1,905] $2,105
2 Sreenings Garage BOD 4 8 16 16 2 2 20 4 4 2 78 $0 $10,029} $10,029
3 Meet with Oty 2 2 2 6 $200 $0 $863} $1,063
4 NHDESCoordination 2 2 4 $0 $332] $334
0 $0 $0 $Q
Subtotals| 0 8 14 24 16 2 0 2 0 24 0 4 0 4 0 4 0 102 $400) $0 $0 $13,129 $13,529)
B Final Design Odor Control
1 60% Design Documents & Cost Estimate 3 8 14 16 2 6 6 12 12 6 6 6 12 2 2 113 $200 $0 $12,665) $12,865
2 95% Design Documents & Cost Estimate 2 4 12 12 2 6 6 12 12 6 6 8 8 2 2 100 $200 $0 $11,321 $11,521
3 Final Plans, Tech Specs & Cost 2 4 8 8 2 6 6 12 4 8 4 8 6 4 2 84 $200 $0 $10,559) $10,759
0 $0 $0 $q
0 $0 $0 $q
Subtotals 0 7 16 34 36 6 0 18 18 36 28 20 16 22 26 8 6 297 $600) $0 $0 $34,544 $35,144
3. Bidding Odor Control
Allowance 1 1 1 1 1 5 $0 $631 $631
0 $0 $0 $Q
Subtotals| 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 1 0 5 $0) $0 $0 $631 $631
TOTAL PROJECT HOURE 0 16 31 59 52 8 0 20 18 61 28 24 16 26 26 13 6 404 $1,000 $0 $0 $48,304) $49,304]
Total Labor $48,304
Non-Labor $1,000
Subcontractor $0
Sub Markup $0
Total Fee $49,300

Page 1 of 2

ESTIMATED STAFF EFFORT (HOURS) AND COSTS
City of Nashua, NH
Wash Press Chute Modifications

TASK DESCRIPTIONS oy./Lead
Principal In Project Project Project Architectural | Structural Structural Mechanical | Mechanical | Instrument. | Instrument. Bectrical Admin. QA/QC SUBS M ark-
Charge Manager Engineer Engineer Process CAD Architect CAD Engineer CAD Engineer CAD Engineer CAD Engineer Hectrical CAD| Assistant Manager |TOTALHOURS| NON-LABOR | SUBSOOST Up LABOR TOTAL
Hourly Billing Rate] $201.94 $187.83 $138.28 $105.49 $96.45 $150.70 $87.41 $158.24 $99.46 $138.64 $0.00 $161.25 $99.46 $195.91 $99.46 $60.28 $204.95
A Preliminary Design WPC
1 Kick off Meeting 2 4 4 10 $200 $0 $1,351 $1,551
2 Wash Press Chute Tech Memo 4 12 12 24 16 8 2 2 80 $0 $9,539 $9,539
3 Meet with Oty 2 2 2 6 $0 $863} $863
4 — NHDESCoordination 2 2 2 6 $0 $608 $608
0 $0 $0 $Q
Subtotals 0 8 20 20 24 16 8 2 0 0 0 0 0 0 0 4 0 102 $200) $0 $0 $12,361 $12,561
B Final Design WPC
1 60% Design Documents & Cost Estimate 2 4 8 8 8 8 8 8 54 $200 $0 $6,511 $6,711
2 95% Design Documents & Cost Estimate 2 4 8 4 6 6 6 6 42 $0 $5,139) $5,139
3 Final Plans, Tech Specs & Cost 2 2 8 4 4 4 4 4 32 $200 $0 $3,865] $4,065
0 $0 $0 $q
0 $0 $0 $q
Subtotals 0 6 10 24 16 18 18 18 18 0 0 0 0 0 0 0 0 128 $400) $0 $0 $15,509 $15,909
3. Bidding WPC
Allowance 1 1 1 1 4 $0 $553 $553
0 $0 $0 $Q
Subtotals| 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 4 $0 $0 $0 $553 $553)
TOTAL PROJECT HOURE 0 14 31 45 40 35 26 24 18 0 0 0 0 0 0 4 0 234 $600 $0 $0 $28,423 $29,023}
Total Labor $28,423
Non-Labor $600
Subcontractor $0
Sub Markup $0
Total Fee $29,000
TOTAL ALL PRO.ECTS $78,300

Page 2 of 2