Finance Committee

PCO #015

Subtotal: $2,786.21 $194.99 $2,978.20
SG Work Total Fee - Labor: 15.00% Applies to Labor, $85.77
SC Work Total Fee - Material & Equipment: 15.00% Applies to Other, Material, and Equipment, 3 68,96
GC Subcontractors Work Fee: = 8.7% Applies to Subcontractor. $ 163.47
Bond & General Liability: 206% Applies to Other, Material, Committed Costs, Labor, Rental Equipment Relief, Equipment, Subcontractor, and Burden. $ 66.43
Grand Tofak: $3,372.53
Jeremy Smith, P.E. (Waldron Engineering City of Nashua Methuen Construction Co., Inc.

PCO #015

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 #015: HW Heat Exchanger 1 & 2
Support Frame

The table below summarizes the total value of the work.

Claimed Cost | Fair Market Value | AHowable Mark-up** | Total Value Assessment
of Work of Work scope

$3,372.53 $2,900 (includes 15% on MC Work $2,552.00 to $3,828.00
materials & 10% on Subs (<$50k)
equipment}* 7-1/2% on Subs ($50-
100k)

5% on Subs (>100k)

*Market Value Assessment=$2,320 to $3,480 (+/- 20%)
** This review assumes all labor performed by subcontractors. See below.

WALDRON ENGINEERING & CONSTRUCTION, INC.

To: William Keating, P.E., Project Engineer, Nashua Wastewater Treatment Facility
From: Erich L. Gustenhoven, P.E., Waldron Engineering & Construction, Inc.
Date: March 9, 2020
Re: Change Order Request Review 015
NWWTF Energy Recovery Upgrade Project
Attachments: Methuen Construction PCO-015 HX Supports
Mr. Keating:

B-6.1

CHANGE GRDER

No. 006

PROJECT:
OWNER:

Energy Recovery Upgrade

City of Nashua, NH

229 Main St, Nashua, NH
(Address)

CONTRACTOR: Methuen Construction Co,, IncOWNER’s Project No. 1FBO501-091618
Energy Recovery Upgrade ENGINEER Waldron Engineering & Construction, Inc.

CONTRACT FOR:
at Nashua NH Wastewater Treatment

DATE OF ISSUANCE: 3/12/20

ENGINEER’s Project No. 359.04

You are directed to make the following changes in the Contract Documents.

To:

From:

Re:

A. Motion:

Attachment:

Discussion:

City of Nashua, Public Works Division

Board of Public Works Meeting Date: April 23, 2020

David L. Boucher, Superintendent
Wastewater Department

Energy Recovery Upgrade — Methuen Construction Change Order #6

THE CITY OF NASHUA “The Gate City’

Administrative Services

Purchasing Department

April 30, 2020
Memo #20-104

TO: MAYOR DONCHESS
FINANCE COMMITTEE

SUBJECT: ENERGY RECOVERY UPGRADES — CHANGE ORDER 6 (VALUE: $5,619)
DEPARTMENT: 169 WASTEWATER; FUND: WASTEWATER

Please see the attached communication from David L. Boucher, Superintendent Wastewater Department

dated April 23, 2020 for the information related to this contract.

Gross Margin Percent @15%: $347.25

Total: $2,725.50

Reservation of Rights

This price does not include any amount for impacts such as interference, disruptions, rescheduling, changes in
the sequence of work, delays and/or associated acceleration. We expressly reserve the right to submit our
request for any of these items.

Signed By: Dated: 1/3/2020

MAIN OFFICE BRANCH OFFICE
397 Whittier Highway 92308 American Legion Hwy

Electrical Moultonboro, NH 03254 Westport, MA 02790
Installati ons Tn c 603-253-4525 608-636-8600
ee eth cman FAX 603-253-6284 FAX 508-636-8650
Engineering: Construction - Cartrat Systems

a Heulisndeen, NH 2 VT License EM-2667 ME License 7905 NHLicense 460 MA License 221MR

Potential Change Order Request

18101 —- Nashua, NH - WWTF Primary Tank Upgrade Subject: PLC Processor upgrade for
(DB Rates) required {/O
To Anthony Crespo Number: 481701-C0-003

PLC Processor Upgrade

Scope: The A-B1769L33ER is the processor that was spect and will not work with ihe /O required in PLC-8.

A-B1769L.36ERM is what is need to complete the PLC programming.

4-SUPPLEMENTAL COSTS

DESCRIPTION

UILT DRAWINGS

QTy RATE UNIT SUBTOTAL

§-TOTAE (Item 8 + Bond + General Liability)