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CHANGE ORDER
No. 4

PROJECT: Primary Tank Upgrade Project DATE OF ISSUANCE: —_ 3/16/20

OWNER: City of Nashua, New Hampshire
229 Main Street
(Address) ) OWNER’S Purchase Order No.
CONTRACTOR: Methuen Construction OWNER’s Project No. IFB 0285-112918

CONTRACT FOR: _ Primary Tank Upgrade Project ENGINEER —Wright-Pierce
ENGINEER’s Project No. 13774

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

Description: See attached backup from Methuen Construction for various PCOs. Wrighi-Pierce and the
City waived the requirement for Methuen to provide additional breakdown for PCOs-05 and -07 but will
require Methuen to provide all subcontractor breakdowns for all future change orders.

Purpose of Change Order: Change in contract price for additional work and deductions from credited
work

Attachments: Methuen PCO NO. 05 Weirs and Baffles, Methuen PCO NO. 06 Balancing Change Order,
Methuen PCO NO. 07 Electrical Building Relocation, PCO NO. 08 PLC Processor Upgrade

CHANGE IN CONTRACT PRICE

Original Contract Price
$ _3,629,340.00

CHANGE IN CONTRACT TIME

Original Contract Time
Subs. Completion: 6/18/20 / Final: 8/17/20

(days or date}

Previous Change Orders
$ 28,462.09

Net change from previous Change Orders
Subs. Completion: 0 / Final: 0

(days)

Contract Price prior to this Change Order
$ _3,657,802.09

Contract Time prior to this Change Order
Subs. Completion: 6/18/20 / Final: 8/17/20

(days or date)

Net Increase (Decrease) of this Change Order
$ 46,335.68

Net Increase (decrease) this Change Order
Subs. Completion: 35 / Final: 35

{days)

Contract Price with all approved Change Orders
$ _3,704,137.77

Contract Time with all Change Orders

Subs. Completion: 7/23/20 / Final: 9/21/20
(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: Clecoph, tite, — By:
2 Owner "Contractor NHDES
4/15/2020 ANS [20

Date Date Date Date

CITY OF NASHUA, NH

PRIMARY TANK UPGRADES
CHANGE ORDER NO. 4
SUMMARY
ORIGINAL CONTRACT PRICE / DATE OF SUBSTANTIAL COMPLETION $
CONTRACT PRICE / TIME PRIOR TO CHANGE ORDER 5
PCO-0$ PCO-005 Weirs and Baffles 5
PCO-06 PCO 006 Balancing Change Order $
PCO-07 =FCO 007 Electrical Building Relocation $
PCO-08 PCO 008 PLC Processor Upgrade 5

Net Concract Price Increase of this Change Order (PCO-005, -006, -G07, =(08): 5

CONTRACT PRICE / TIME WITH ALL APPROVED CHANGE ORDERS: 8

3,629,340,00

3,637,802.09

Add / Deduet
36,522.35

1,534.72
5,256.86

3,023,75

46,335.68

3,704,137.77

34

SS2020

6/15/2020

days
days
days

days

days

1/23/2020

Doc #: 5
Ref. Document:

PROJECT NAME: Date: 23-Dec-19
Nashua Primary Tank Upgrades

PROJECT NO: 181016
PHASE
COST SUMMARY SHEET
Weirs Altachement
A iC Labor (Recap Sheet): $20,256.51
B Mc Materials, & Equipment (Recap Sheet): $6,590.20
Cc RIC Fee (A x 15%) + (B x 15%): $4,027.01
D Subtotal MC Work (A +B+4C): | $ 30,873.72
E Total Subcontractors (Below): $741,006.00
F MC Mark-up on Subcontractor Work (5%, 7.5% or 10%): | $ 956.52
G Bond (1%) and General Liability (1%): $716.12
H DEDUCT SOV FOR GT WEIRS DENIO (SEE ATTACHED) (37,024.01)
Total Proposal (D+E+F+G): § 36,522.35
SUBCONTRACTOR SUMMARY
Subcontractor Description Amount
JB Safety International Sandblast & paint weirs for 2 GT $ 711,000.00

A | tA tal oa fee |
E

Total Subcontractors: 11,006.00

Weirs Aftachement

Scope: Proposal for change of material requirements for FRP weir plates, as well as installation and recoating of existing weirs: Set up staging and drii aproximately (84)
3/8” holes in existing weirs. Assist Painters bring in blast media and removing blast media and disposal.

Gasket: * Addition of 3/8" thick x 6" wide 46 durometer Shore A neoprene rubber to be mounted between
new FRP weir and existing aluminum weir, 1 month for 2 Tanks- Set up staging, clearing debris, surface prep for painters, drilling wiers, site clean up afer painting,

1-LABOR
CATEGORY HRS RATE/HR PREMIUM SUBTOTAL LINE TOTAL TOTAL
$77.34 187.20
LABORER 7 $8 .60
72 $0.00
OPERAT! $72.17 00
PLUMBER .69 .!
$56.06 .00
P ‘4. .00
MILLWRIGHT $69.72 .!
30.00
TRUCK DRIVER 00
BTOTAL $15,116.86
2-MATERIALS
DESCRIPTION QTY UNIT UNIT COST SUBTOTAL
Estimated
FFE 3/8" thick x 6" wide duramete 1 2,700,00 § 2,700.00 $ 2,700.00
Durnpsier / Disposal 1 455.00 $ 455.00 $ 455.06
_Drill Bits # Consumabies 1 125.00 § 125.00 $ 125.06
SUBTOTAL $ 3,286.00
3-EQUIPMENT
CATEGORY HRS RATE UNIF SUBTOTAL
IEXCAVATOR PG300 $180.35 HR $0.00:
EXCAVATOR CAT 330 $100.37 : HR $0.00:
EXCAVATOR CAT 320 $58.71: HR $0.00
DUMP TRUCK $61.23 HR 30,00;
TOOL TRUCK 80.0 317.00 © HR $1,360.00
FRONT END LOADER $66.40 HR 30,00
BOZER $54.42 | HR $0.00
COMPACTOR (WALK BEHIND) $36.88 | HR $6.00
ROAD SAW $35.88 ; KR $0.00
HYDRAULIC BREAKER $45.51 | HR $6.00
CAT 420 BACKHOE 341.49 : HR $0.06
STAGING 20 $30.01 | HR $600.20
COMPRESSOR 185CFM $15.08 | HR $0.00
SISSOR LIFT 19" $4.18 | HR $0.00
MAG DRILL 40 $120.00 | DAY 31,200.06
SUBTOTAL $3,160.20
Page 2 of 4 3/5/2020 - 12:53 AM

Weirs Attachament

Scope: Proposal for change of material requirements for FRP weir plates, as well as installation and reccating of existing weirs: Set up sfaging and drill aproximately (84)

3/8" holes in existing weirs, Assist Painters bring in blast media and removing blast media and disposai,
Gasket: * Addition of 3/8" thick x 6" wide 40 durometer Shore A neoprene rubber to be mounted between

new FRP weir and existing aluminum weir. 1 month for 2 Tanks- Set up staging, clearing debris, surface prep for painters, drilling wiers, site clean up after painting.

9-TOTAL (item 8 + Bond + General Liability)
| updated to reflect the credited items

4-SUPPLEMENTAL COSTS
DESCRIPTION QTy RATE UNIT SUBTOTAL
LASBUILT DRAWINGS i $0.00:
WARRANTIES i $0.00;
TESTING $0.00:
$0.00
.00
TRAVEL $0.00
$0.00
STORAGE $0.00
$0.00
FUEL .00
TELEPHONE .00
$150
SUBTOTAL $150.00
5-BURDEN
CATEGORY RATE
BURDEN RATE 34.00% $5,139.71
6-GC WORK TOTAL
SUBTOTAL (item 1+2+9+4) $26,846.71
7-SUBCONTRACTORS WORK
SUBCONTRACTOR UNIT COST QTy cosT TOTAL
International LS 11,006.00 11,000.06
SUBTOTAL $71,000.00
GC MARKUP (typically 10%) x (Subcontractor cosi/7.15} $956.52
B-FEE
GC (15% X Items 185 + 15% X items 28384 + 5%, 7.5% or 70% X Item 7) $4,983.53
B-SUBTOTAL $42,830.24
BOND (1% X Ifem8) $358.06
GENERAL LIABILITY (1% X Iter 8) $358.06

$43,546.36

Page 3 of 4

3/5/2020 - 11:53 AM

COST SUMMARY SHEET

Scope: Omit original scope of removing all the old weirs from existing Gravily Thickeners.

CATEGORY RATE

BURDEN RATE 34.00%

1-LABOR
CATEGORY HRS RATE/HR PREMIUM SUBTOTAL LINE TOTAL
SUPERINTENDENT $0.00
FOREMAN $0.00
LABORER 80 $55.81 ($4,464.80)
SUBTOTAL ($4,464.80)
15% MARKUP ($669.72)
SUBTOTAL WITH 15% MARKUP ($5,134.52)
2-MATERIALS
DESCRIPTION QTY UNIT UNITCOST SUBTOTAL
Estimated
Consumables- Saw B 1 $ (125.00) $ (125.00)
$ -
$ -
$ -
$ -
3 -
SUBTOTAL $ (125.00)
15% MARKUP $ (18.75)
SUBTOTAL WITH 5% MARKUP $ 143.75
3-EQUIPMENT
CATEGORY HRS RATE UNIT SUBTOTAL
‘PICK-UP TRUCK 0.0 | HR $0.00:
SUBTOTAL $0.00
15% MARKUP $0.00
SUBTOTAL WITH 15% MARKUP $ -
5-BURDEN

($1,745.74)

PCO #005

Methuen Construction Co., Inc. Project; 187016 - Nashua Primary Tank Upgrades
144 Main Street - PO Box 980 2 Sawmill Road
Plaistow, New Hampshire 03865 Nashua, New Hampshire 03060

Phone: (603) 328-2222

Prime Contract Potential Change Order #005: Weirs & Baffles

TO: City of Nashua FROM: Mefhuen Construction Ca., Inc.
229 Main Street 144 Main Street PO Box 980
Nashua New Hampshire, 03060 Plaistow New Hampshire, 03865

36 NUMBERIREVISION. ww o0s70 ince eee inn =P i tented inane atin ver mma ete ta ne

CONTRACT: | GS-330158-30 NASHUA PO 147380 - Nashua
Primary Tank Upgrades Prime Contract

Kelly Rochford (Methuen Construction Co.,

REQUEST RECEIVED FROM: Joseph White (Methuen Construction Co, CREATED BY:

Inc.) Ine.)

STATUS: Pending - In Review CREATED DATE: 12/4/2019

REFERENCE: —_ “DATESENT ssiai‘SOS™S~™

FIELDGHANGE: = No PRIME GONTRACT None .
CHANGE ORDER:

LOCATION:

SCHEDULE IMPACT: ACCOUNTING “Amount Based eee
METHOD:

PAID IN FULL: _ No TOTAL AMOUNT: $38,867.56 _ oe

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 dacument 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
accepiance of this proposal waives the participation requirements associated with this adelitional work.

POTENTIAL CHANGE ORDER TITLE: Weirs & Baffles
CHANGE REASON: No Change Reason

POTENTIAL CHANGE ORDER DESCRIPTION: (The Contract is Changed As Folfows)
CE #10 - PCO 005 Weirs & Baffles

Proposal for change of material requirements for FRP weir plates, as well as installation and recoating of existing weirs: Gasket: * Addition of 3/8" thick x
6" wide 40 durometer Shore A neoprene rubber to be mounted between new FRP weir and existing aluminum weir. 1 month for 2 Tanks- Set up staging,
clearing debris, surface prep for painters, drilling wiers, site clean up after painting.

ATTACHMENTS:
181016-PCO#S Weis & Baffles-$38,867.56.paf_

Methuen Construction Co., Inc. page 1 of 2 Printed On: 12/4/2019 08 :48 PM

Quote Name 012266-Nashua, NH CO #1
Created Date 8/26/2019
Expiration Date 40/31/2019

Company Address 964 Douglas Pike
Smithfield, RI 02917

Phone (401) 231-3552

Website www. fibfab.com
Prepared By Tim Streuli Quote To Name Anthony Crespo, Methuen Construction
Phone (401) 231-3552 Email acrespo@methuenincustrial.com
Email istreuli@ fibfab.com

Project Name Nashua, NH Primary Tank Upgrade Project Lacation Nashua, NH

Proposal for change of material requirements for FRP weir plates:

Gasket:

* Addition of 3/8" thick x 6" wide 40 durometer Shore A neoprene rubber to be mounted between
new FRP weir and existing aluminum weir.

* Gasket was not detailed in contract drawings or mentioned in the specification and has been
requested by the project engineer after the purchase contract has been executed. i

i

* The engineer’ i As this product i ity available, FF
@ engineer's request lists 30 durometer neoprene this product is not readily available, FFI $2,700.00 4.00 , $2,700.00

Misc. proposes 40 durometer neoprene

Fasteners:

* Addition of fasteners due to the project engineer's request to decrease the spacing between
fasieners from 24" to 12". i
* As 24" is the industry standard for weir plates on a round tank, this increases the number of i
fasteners required by 100%

Grand Total $2,700.06

PE Stamp not included in quotation

** Price good for sixty (60} days from issue.

** Quoted price is for changes to required material/products for previious purchase order.
™ Freight is included in quote.

** Terms - Net 30 days.
By : tulheony Cane, Ge.

Anthony Capo. Ji.
(acapo@fibfab. cont)

: Consulting

Safety Audits

Safety Training

Safety Products
Experiential Training
Miabile Health Services
Environmental Services

“Leading Safety Beyond the 21st Century”

November 26, 2019

Methuen Construction
Anthony Crespo
Project Engineer

144 Main Street
Plaistow, NH 03865

RE: COATING REPAIR FOR WEIRS PRIMARY TANK NASHUA NH

Anthony,

Thank you for giving us the opportunity to quote your coating repair project. We are committed to
providing our customers with the highest quality, safety and environmentally conscious field installation
projects available in the professional coatings industry and we look forward to performing the scope of
work for you.

Project address:
Nashua Waste Water
2 Saw Mill Rd
Nashua, NH 03063

JB Safety International, inc. ¢ P.O. Box 476 @ Seguin, TX 78156 # 281-857-7919 sjefi@jbsaietyintl.com
http://www. jbsafetyintl.com

We are pleased to provide you with our proposal including the following sections:

Seciion I:

Section Il:
Section Hl:
Section IV:
Section V:
Section VI:

Section VII:

Section VIII:

Section IX:
Section X:
Section XI:

Section Xl:

Scope of Work

Surface Preparation

Material Application

Health, Safety and Environment
Quality Control and Assurance
Schedule

Clarifications and Requiremenis
Insurance

Pricing

Terms & Conditions

Warranty

Acceptance

Section I: Scope of Work

Prepare by mechanical blasting and coat with Sherwin Williams coatings system 163 ft of weirs of the
Primary Tank for the city of Nashua waste water project.

A. Protect all surface not being coated

B. Clean to SSPC SP 10

C. Prime and coat with 3coat system as per specs.

D. Provide inspection report.

E. Return area to broom clean condition.

418 Safety International, Inc. @ P.O. Box 476 @ Seguin, TX 78156 ¢ 281-857-7919 ¢jeff@jbsafetyintl.com
http://www _jbsafetyintl.com

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