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COST OR PRICE SUMMARY FORMAT FOR SUBAGREEMENTS UNDER NH SAG & SRF

Form Approved
DES 02/06

PART I - GENERAL

1. GRANTEE / LOANEE
City of Nashua

2. GRANT/LOAN NO.

3. NAME OF CONTRACTOR OR SUBCONTRACTOR
Waldron Engineering and Construction, Inc.

4. DATE OF PROPOSAL
Sept 15, 2017

5. ADDRESS OF CONTRACTOR OR SUBCONTRACTOR (Include ZIP)
37 Industrial Drive, Exeter Suite G-1, NH 03833

6. TYPE OF SERVICE TO BE FURNISHED
Design for Energy Recovery Generator Upgrade

PART II - COST SUMMARY

HOURLY ESTIMATED
7. DIRECT LABOR (Specify labor categories) HOURS RATE COST TOTALS
Project Manager 72 72 5,184
Mechanical Project Engineer 40 45 1,800
Structural Project Engineer 24 67 1,608
Electrical Project Engineer 48 48 2,280
Control Project Engineer 12 49 583.2
Staff Engineer 278 31 8,618
Lead Designer 42 39 1638
Staff Designer 183 32 5,856
DIRECT LABOR TOTAL: 699 $27,568 $27,568
ESTIMATED
8. INDIRECT COSTS (Specify indirect cost pools) RATE X BASE = COST
190% $27,568 $52,379
INDIRECT COSTS TOTAL: $52,379
9. OTHER DIRECT COSTS
a. TRAVEL ESTIMATED
COST
(1) TRANSPORTATION 500
(2) PER DIEM
TRAVEL COSTS TOTAL: 500
b. EQUIPMENT, MATERIALS, SUPPLIES ESTIMATED
(Specify categories) QTY COST COST
EQUIPMENT SUBTOTAL:
c. SUBCONTRACTS ESTIMATED
COST
Wright Pierce $20,900
SUBCONTRACTS SUBTOTAL: $20,900
d. OTHER (Specify categories) ESTIMATED
COST
OTHER SUBTOTAL: $0
e. OTHER DIRECT COSTS TOTAL: $21,400
10. TOTAL ESTIMATED COST $101,347
11. PROFIT $7,995
12. TOTAL PRICE $109,342

Page lof 2

PART HI - PRICE SUMMARY

COMPETITOR'S CATALOG LISTINGS, IN-HOUSE ESTIMATES, PRIOR QUOTES MARKET PROPOSED
(Indicate basis for price comparison) PRICE (S) PRICE

PARTIV - 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 DWGS, START-
UP, SPECIAL SERVICES, ETC.

Work category

Phase >

Project Manager
Lead Engineer
Staff Engineer
Lead Designer
Staff Designer
Technician

Clerical

Total - Direct Labor Cost |
ota irect Labor Co $27,568

Page 2 of 2

WALDRON.COM

WALDRON ENGINEERING & CONSTRUCTION, INC
37 INDUSTRIAL DRIVE, SUITE G-1, EXETER NH 03833

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EXHIBIT A

Proposal for :

The City of Nashua

Request for Proposal for
Energy Recovery Generator Upgrades
Nashua Wastewater Treatment Facility

RFGQO285-080417

Prepared by
Waldron Engineering & Construction, Inc.

August 3, 2017

WALDRON ENGINEERING & CONSTRUCTION, INC.

August 3", 2017

William Keating
Wastewater Project Engineer
Nashua Waste Water Treatment Facility

City of Nashua

Central Purchasing

229 Main Street, Room 128
Nashua, NH 03061

RE: — Energy Recovery Generator Upgrade
Engineering Proposal
RFQ 0285-080417

Dear Mr. Keating,

Waldron Engineering and Construction, Inc. (Waldron) is pleased to submit the Engineering Service
proposal for the Nashua Waste Water Treatment Energy Recovery Generator Upgrade Project. We
have compiled this proposal based on the documents provided through the RFQ process.

Waldron looks forward to the opportunity to present our team and work with the facility. We are
confident we have a solid understanding of your RFQ objectives and can deliver a quality program that
will insure a successful project. We thank you for this opportunity to present our proposal and hope
you will select us for your project.

Sincerely,
Waldron Engineering & Construction, Inc.

Cedric Chan, P.E.
Director

WALDRON.COM

37 INDUSTRIAL DRIVE SUITEG-1 EXETER, NH 03833 (603) 772-7153

oe mee ——

Nashua Waste Water Treatment Facility
Energy Recovery Generator Upgrade RFQ 0258 - 080417

Table of Contents

. Executive Summary

ll. Project Approach

lil. Waldron Project Team

a. Resumes
b. Organizational Chart
c. Project Experience

IV. Addendum #1

Rockland Counzy REP
WALDRON ity 20

Executive
Summary

City of Nashua Waste Water Treatment Facility - Energy Recovery Generator Upgrade
Engineering Design Services

i. Executive Summary

Waldron Engineering and Construction, Inc. (Waldron) has compiled a project team with a
depth of cogeneration design experience and waste water treatment plant operations
experience that will ensure success for the design aspects of the Waste Water Treatment
Facility Energy Recovery Generator Upgrade project. The team brings the following
attributes to the project:

e Experience in CHP projects with reciprocating engine technology
e A significant number of CHP projects

e Experience in CHP project Construction Administration

e Experience in Waste Water Treatment Plant and Biogas systems

Our waste water system consultant, Genesis Industrial Group, built, owns and operates a
180 wet-ton per day merchant anaerobic digestion with a 1,000 kW CHP facility in
Brunswick, ME and has been in service for nearly 2 years. Geneses has been through the
design, construction, startup, and troubleshooting phases. Waldron will leverage Genesis’
valuable experience on the digester gas system design and operation to ensure the success
of this project.

Waldron has the in-house capability to assist the Waste Water Treatment Facility during
the equipment and construction bid phases. Waldron is happy to provide construction
management of all field construction efforts for any of its projects, if the City of Nashua is
interested to pursue as an option. We have a proven track record and have delivered
similar CHP projects within the established project budget, exceeding the anticipated
performance goal and more importantly, on time completion so that the Facilities
successfully achieved the energy efficiency and economic goal.

Our experience with energy projects will allow us to achieve the utility interconnections,
secure the air permit, including noise, and most importantly - design to maximize the CHP
availability resulting in maximum operational benefit to the Facility.

We have the experience to make your project a success. Our CHP projects are success
stories and we will give you access to each project as references. We hope you give us the
opportunity to make this project a success for the City of Nashua Waste Water Treatment
Facility.

WALDRON

ll. Project
Approach

Nashua Waste Water Treatment Facility - Energy Recovery Generator Upgrade
Engineering Design Services

A

li. Description of Work and Approach to RFQ (Rev.2)

In response to the RFQ, Waldron has structured a Scope of Work and approach that
includes all aspects of the RFQ Scope. Our team has a strong knowledge base for the recip
engine CHP as well as digester gas system design and operation. This allows our team to
provide detailed accurate design information from the start. In particular, our approach is
to work with the facility to develop a design that not only allows for the installation of the
CHP but to make decisions early in the process to avoid delays and problems throughout
the design, installation and startup phases. We will work with all parties to develop a
design that will result in the optimal life cycle economics and greenhouse gas impact.

Project Description

The main intent of the project is to replace the existing 380 kW Waukesha Engine CHP with
2 CAT G3406 200kW engines generators and it auxiliary equipment so that the CHP can
fully utilize the digester gas production to maximize the economic outcome. The main
project scopes are:

1. To replace the existing Waukesha 380 kW cogen generators with 2 CAT G3406
200kW Model recip engine generator and hot water heat exchangers between the
cogen building and digester and other auxiliary equipment associated with the
engine generators. Evaluate potential options to increase digester gas production.

2. Evaluate the most economical cogeneration generator size that is capable to utilize
all the digester gas produced. Two cogeneration generators will be the prefer
option for redundancy.

3. The two new cogeneration generators and auxiliary equipment will be fitted in the
existing Energy Recover Building with proper egress.
4. Evaluate capacity of piping size, digester gas production that allows the 2 new cogen

generators to operate in full capacity, boiler capacity to heat the digester sludge,
equipment capacity in gas cleansing room, gas flare capacity and gas holding tank
system capacity.

Revised August 28, 2017

WALDRON

Nashua Waste Water Treatment Facility - Energy Recovery Generator Upgrade
Engineering Design Services

Scope cf Work -Work Breakdown Struciure

1. 30% Design
1.1. Project kickoff meeting.
1.2. Collect and review existing facility design document.
1.3. Evaluate Cogen Generator Options and building layout and site plan.

1.4. Evaluate existing digester gas capacity and cleaning system conditions that
includes (service provided by Wright-Pierces):

1.4.1. Assess condition of existing Gas Cleansing Room equipment including
iron sponge, drip traps, foam separator, condensate traps.

1.4.2. Review data on digester gas quality before and after gas cleaning
system (testing to be carried out by others and provided by the City).
Compare test results to requirements for new generator.

1.4.3. Prepare brief technical memorandum summarizing any issues with the
condition of the existing equipment and identifying any gas quality
issues that need to be addressed either to meet the air permit
requirements or to meet the warrantee requirements of the proposed
generator(s)

1.5. Develop conceptual site plan layout and General Arrangement for major
equipment.

1.6. Identify potential options to enhance the project.

1.7. Develop major system equipment list.

1.8. Develop “rule of thumb” cost estimates for cogen options.

1.9. Attend one (1) design progress meetings — additional to the project kickoff
meeting.

1.10. Meet with City of Nashua and WWTF personnel to review the findings and
obtain approval for final system configuration.

2. 75% Design

2.1. Develop Basis of Design for mechanical, electrical and control systems. This
Basis of Design document defines the design criteria, outlines the system
design, equipment and component design features, as well as the performance
characteristics consistent with that criteria. This Basis of Design document
also creates the framework for the construction documents, major equipment
specifications and construction specifications.

2.2. Develop equipment demo and system tie-in design.

2.3. Revise layout and site plan diagrams

2.4. Develop electric power one-line diagrams.

2.5. Develop protection one-line diagrams.

2.6. Develop digester gas, natural gas and hot water system P&ID.

Revised August 28, 2017
WALDRON |