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Doc #: 6
Ref. Document:

PROJECT NAME: Date: 4-Sep-19
Nashua Energy Recovery Upgrade

PROJECT NO: 181012
PHASE
COST SUMMARY SHEET
Mechanical Room Painting

A Mc Labor (Recap Sheet): $4,282.10
B MC Materials, & Equipment (Recap Sheet): $453.00
Cc MC Fee (A x 15%) + (B x 10%): $687.62
D Subtotal MC Work (A + B+): | $ 5,422.72
E Total Subcontractors (Below): $10,875.00
F MG Mark-up on Subcontractor Work (5%): | $ 543.75
G Bond (1%) and General Liability (1%): $336.83

Total Proposal (D+ E+F+G): § 17,178.30

SUBCONTRACTOR SUMMARY
Subcontractor Description Amount
Arthur Cole painting Pressure Wash and paint the mechanical room

10,875.00

10,875.00

Total Subcontractors:

Mechanical Room Painting

Scope: The below price is the cost incurred to paint Mechanical room, including power washing ceilings, wails, floor and filing unused holes with mortar.

f-LABOR
CATEGORY HRS RATEIHR PREMIUM SUBTOTAL ~— LINE TOTAL TOTAL
$3,195.60
2-MATERIALS
DESCRIPTION aTy UNIT UNIT COST SUBTOTAL
Estimated
Consumables $ 500.00 $ 500.00 $ -
Dumpster / Disposal 3 750.00 $ 750.00 $ -
Mortar 4 5 41.25 $ 45.00
| |
SUBTOTAL $ 45.00
3-EQUIPMENT
CATEGORY HRS RATE UNIT SUBTOTAL
EXCAVATOR PC300 180.35 HR
HR
TRUCK
END LOADER
BRILL
SUBTOTAL $408.00

Page 2 of 3 9/40/2019 - 3:09 AM

Mechanical Room Painting

Scope: The below price is the cost incurred to paint Mechanical room, including power washing ceilings, walls, floor and filling unused holes with mortar.

'4-SUPPLEMENTAL COSTS
DESCRIPTION QTy RATE UNIT SUBTOTAL
T DRAWINGS $0.
SUBTOTAL $0.00
5-BURDEN
CAFEGORY RATE
BURDEN RATE 34.00% $1,086.50
6-GC WORK TOTAL
SUBTOTAL (Item 4+2+344) 34,735.10
7-SUBCONTRACTORS WORK
SUBCONTRACTOR UNIT COST Ory COST TOTAL
SUBTOTAL $10,875.00
8-FEE
GC (15% X Items 1&5 + 10% X tems 28344 + 5% X Item 7) $1,231.37
8-SUBTOTAL 316,841.47
BOND (1% X Item) $168.41
GENERAL LIABILITY (1% X tens 3) $166.41
peor (Item § + Bond + General Liability} $17,178,30

Page 3 of 3 9/16/2019 - 8:09 AM

ARTHUR COLE PAINTING CORPORATION

www.colepainting.com

Contract Painting
Specialty Coatings
Wallcoverings
Millwork Finishing
Maintenance Programs

September 10, 2019
To: | “Methuen Construction Co.
144 Main Sts
- > “Plaistow, NH 03865 0
Attn: -- Don Hutchinson
cS . Superintendent
Job: : Water Treatment facility... :
" -. (Mechanical Room
2Sawmill Rd.
.-Nashua,NH*
Documents: “Onsite estimate
Scope
Interior: e Power wash Concrete Ceilings & CMU wails
Wails * Paint Ceilings with 1 Coat primer and 2 Coats finish paint.
Ceilings e Paint Walls with 2 Coats Pro Industrial Acrylic Coating.
Floor ® Concrete Floor and Pads to be thoroughly cleaned using Spiral
tip High pressure wash and detergent.
e Concrete Floor and pads to receive 2 Coats of Armorseal 1000
HS Industrial Catalized Epoxy. Top Coat to be applied after
machinery has been installed.
e All Riser area @ pads shall be striped with Safety yellow paint
Note Please see the attached Product data Sheets recommended.
Total Labor | $7,865.00
Total Material | 53,010.00
Bob Cote
Estimator

Arthur Cole Painting Corporation

P.O. Box 16583 * Worcester, MA01G01 ¢ Phone: 508.799.9019 « Fax: 508.797.4049

CHANGE ORDER

No. 2

PROJECT: Energy Recovery Upgrade

OWNER: City of Nashua, NH

229 Main Street, Nashua, NH

(Address)
CONTRACTOR: Methuen Construction

CONTRACT
FOR: Energy Recovery Upgrade

DATE OF ISSUANCE: 09/17/19

OWNER’s Project No. _IFB0501-091618

ENGINEER Waldron Eng. & Const., Inc.

ENGINEER’s Project No. 359.01

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

Description:
Purpose of Change Order:
Justification:

Attachments: (List documents supporting change)

CHANGE IN CONTRACT PRICE

Original Contract Price
$ _1,787,378.00

CHANGE IN CONTRACT TIME

Original Contract Time
280 (Final Completion)

(days or date}

Previous Change Orders
$ _ 16,742.40

Net change from previous Change Orders
none

{days}

Contract Price prior to this Change Order
$ _1,804,120.40

Contract Time prior to this Change Order

280 (Final Completion)
(days or date)

Net Increase (Decrease) of this Change Order
$ 21,181.16

Net Increase (decrease) this Change Order

none
{days}

Contract Price with all approved Change Orders
$ _ 1,825,301.56,

Contract Time with all Change Orders
280 (Final Completion)

(days or date)

This document will become a supplement to the CONTRACT and all provisions will apply hereto. The
attached Contractor’s Revised Project Schedule reflects increases or decreases in Contract Time as
authorized by this Change Order.

Stipulated price and time adjustment includes all costs and time associated with the above described
change. Contractor waives all rights for additional time extension for said change. Contractor and Owner
agree that the price(s) and time adjustment(s) stated above are equitable and acceptable to both parties.

RECOMMENDED: APPROVED: APPROVED: APPROVED:
By: By: By: By:

Engineer Owner Contractor NHDES

Date Date Date Date

WALDRON ENGINEERING &

JL Ge

CONSTRUCTION, NG.

To: William Keating, P.E., Project Engineer, Nashua Wastewater Treatment Facility
From: Erich Gustenhoven, P.E., Resident Engineer, Waldron Engineering &
Construction, Inc.
Date: September 17,2019
Re: Change Order Request Review 005&006
NWWYTE Energy Recovery Upgrade Project
Attachments: Methuen Construction PCO #005-Lighting
Methuen Construction PCO #006-Painting
Mr. Keating:

Waldron has reviewed the additional work associated with the owner request to install new
lighting and repaint the engine room in the Energy Recovery Building. These tasks were covered
by two separate contractor change order requests; detailed reviews for each have been provided to
Nashua. Below is a summary for your use.

Summary Review - Lighting
Original Schedule Schedule Direct Schedule Schedule Claim
Adjustment claim Impact Assessment Recommended
None none n/a 0 days
Original Cost Cost Adjustment Direct Cost Impact Cost Adjustment
claim Assessment Recommended
None 34,002.86 54,002.86 $4,002.86
Summary Review ~- Painting
Original Schedule Schedule Direct Schedule Schedule Claim
Adjustment claim Impact Assessment Recommended
None none n/a 0 days
Original Cost Cost Adjustment Direct Cost Impact Cost Adjustment
claim Assessment Recommended
None $17,178.30 $17,178.30 $E7,178.30
Conclusion

Waldron recommends approving a total of $21,181.16 for both claims as noted above and
approving @ days of schedule relief.

If you have any questions on the above, please don’t hesitate to contact me at 603-772-7153 x
148 or egustenhoven@waldron.com

Sincerely

Waldron Engineering & Construction, Inc.

Erich L. Gustenhoven, P.E.

37 INDUSTRIAL DRIVE = SUMTEG-1 EXETER.NHOG839 (603) 772-7153

WALDEN COM

Industral Doc #: PCO NO 005

a a Ref. Document:
PROJECT NAME: Energy Recovery Upgrade IFB0501- Date: 26-Aug-19
090618
PROJECT NO: 181012
PHASE
COST SUMMARY SHEET
Lighting Change

A McC Labor (Recap Sheet): $0.00
B MC Materials, & Equipment (Recap Sheet): $0.00
Cc MIG Fee (A x 15%) + (B x 10%): $0.00
D Subtotal MC Work (A+B+C): | $ -
E Total Subcontractors (Below): $3,737.50
F MC Mark-up on Subcontractor Work (5%): | $ 186.88
G Bond (1%) and General Liability (1%): $78.49

Total Proposal (D+#E+F+G): § 4,002.86

SUBCONTRACTOR SUMMARY
Description
Lighting Change

Amount
3,737.50

$
$
$
g -
g -
g -
$
$

Total Subcontractors: 3,737.50

Lighting Change

Scope: Remove and replace lighting in Generator room per attached El! quote.

1-LABOR
CATEGORY HRS RATE/HR PREMIUM SUBTOTAL LINE TOTAL TOTAL
ERINTENDENT
$1713.00
ENGINEER $65.00
368.72
$79.69
YER 06
WRIGHT $69.72
$82.23
45
$0.00
2-MATERIALS
DESCRIPTION QTY UNIT UNIT COST SUBTOTAL
3 - $ -
$ - $ -
| | |
SUBTOTAL $ -
3-EQUIPMENT
CATEGORY HRS RATE UNIT SUBTOTAL
EXCAVATOR PC300 $180.35 HR $0.00
EXCAVATOR CAT 330 $100.37 HR 50.00
EXCAVATOR CAT 320 $58.71 HR $0.00
BUMP TRUCK $61.23 HR $0,00
TOOL TRUCK $17.00 HR $0.06
FRONT END LOADER 366.40 HR $0.00
DOZER $54.42 HR $0.00
COMPACTOR (WALK BEHIND) $35,883 HR $0.00
ROAD SAW $35.88 HR $0.00
HYDRAULIC BREAKER 345.57 HR $0.00
CAT 420 BACKHOE $41.49 HR $0.00
FORKLIFT CULE $30,014 HR $0.00
COMPRESSOR 185CFM $15.08 HR $0.00
PICKUP TRUCK $13.00 HR $0.00
CORE DRILL $120.00 DAY $0.00
SUBTOTAL $0.00

Page 2 of 3 8/26/2019 - 7:54 AM

Lighting Change

Scope: Remove and replace lighting in Generator room per atlached Ell quote.

4-SUPPLEMENTAL COSTS
DESCRIPTION QTy RATE
General Conditions $30,000.00

UNIF

MONTH

SUBTOTAL

$0.00

WARRANTIES
ENGINEERING $0.00
LEGAL
VEL
FACILITIES $0.00
STORAGE
& WATER "00
$0.00
00
$0,00
SAFETY $0.00
SUBTOTAL $0.00
5-BURDEN
CATEGORY RATE
BURDEN RATE 34.00% $0.00
6-GC WORK TOTAL
SUBTOTAL (Item 1424+3+4) $0.00
7-SUBCONTRACTORS WORK
SUBCONTRACTOR UNIT COST Qty COST TOTAL
SUBTOTAL $3,737.50
8-FEE
GC (15% X Items 1&5 + 10% X Items 28384 + 5% X Item 7) $186.88
@-SUBTOTAL $3,924.38
BOND (1% X Ifem8) $39.24
GENERAL LIABILITY (1% X Item 8) $39.24

9-FOTAL (Item 8 + Bond + General Liability)

$4,002.86

Page 3 of 3

8/26/2019 - 7:54 AM

To:

From:

Re:

F. Motion:

Discussion:

City of Nashua, Public Works Division

Board of Public Works Meeting Date: July 28, 2022

Daniel Hudson, P.E., City Engineer
Engineering Department

Canal St Bridge Repairs — Change Order No. 2

To approve Change Order No. 2 for the Canal St Bridge Construction Repairs
contract in an amount of $34,000. Funding will be through Departments 160
Admin/Engineering & 161 Street; Funds: Capital & Grant; Activities:
Infrastructure Improvements & Highway Block Grant.

The Canal Street Bridge over the Nashua River is part of a critical east-west arterial
roadway traversed by approximately 30,000 vehicles per day. NHDOT periodically
inspects the bridge and has given it a rating of poor for the substructure, due to
concrete issues at the east abutment and center pier. Repairs to a portion of the
bridge barrier are also necessary. Engineering consultant Fuss & O'Neill, contracted
by Engineering, provided the design of the repairs and is currently providing
construction services. New England Infrastructure, Inc. of Hudson, MA is
contracted for the construction repair work. A Notice to Proceed was issued for
work to start on June 16, 2022 and work is currently underway.

The original contract amount to New England Infrastructure was $373,750.
Following the start of construction, during low water conditions, we have observed
that the necessary repair areas have grown since their assessment at the time of
design. Concrete distresses in both the east abutment and center pier have increased.
In addition, a concrete sidewalk in proximity of the work has cracked and needs
replacement. A Change Order No. 1 for $23,561.86 was administratively approved
for the water diversion work necessary for the additional pier repairs and for the
sidewalk repairs.

This proposed Change Order No. 2 consists of three parts:
e Concrete preparation (removal of weak concrete): $12,000
e New concrete placement: $12,000
e Allowance for unforeseen repairs needed: $10,000

The allowance is being added due to some remaining uncertainty of full scope of
necessary repairs, which can only be fully investigated once the additional
dewatering is complete and the structure is fully visible. With Change Order No. 2
approval, the amended construction contract total will be $431,311.86. All work is
expected to be completed this year.