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Summary

CHANGE IN CONTRACT PRICE:

Original Contract Price

$28,900.00

CHANGE IN CONTRACT TIMES:
Original Contract Times

Substantial completion: Dec 15, 2019
Ready for final payment: Dee 31, 2019

Net changes from previous Change Orders

30

Net change from previous Change Orders

0 days

Contract Price prior to this Change Order

$28,900.00

Contract Times prior to this Change Order

Substantial completion: Dec 15 , 2019
Ready for final payment: Dec 31, 2019

Net Increase Gleerease} of this Change Order

$30,100

Net Increase (deerease} of this Change Order

366 Days

Contract Price with all approved Change Orders

Contract Times with all approved Change Orders

359,000 Substantial completion: Dec 15, 2020
Ready for final payment: Dee 31, 2020

RECOMMENDED: ACCEPTED: APPROVED:

By: By: By:
DPW Contractor Mayor Jim Donchess
Engineer Owner
(Authorized Signature) (Authorized Signature} {Authorized Signature)
Date: Date: Date:

Change Order #1 Pavement Management Services 2 of 2

: Stantec Consulting Services Inc.
stantec 5 Burdington Woods Drive Suite 210, Burlington MA 01803-4511

February 22, 2019

stephen Dookran, P.E.
City Engineer

? Riverside Street
Nashua, NH 03062

Reference: 3-Year Optional Pavement Management Support Services Proposal

Dear Mr. Dookran:

Per your request, Stantec Consulting Services, Inc. (Stantec}) has prepared the following
Pavement Management Services Proposal to ensure and protect the City's municipal
pavement management system investment with providing system maintenance services
to maintain the City's pavement management database system.

We hereby propose to maintain the City's Cartegraph pavement managemenf system
(PMS} in Cartegraph's Navigator, Stantec will update work history, conduct pavement
conditions surveys, and perform data modeling and analysis on behalf of the City.
Stantec will maintain the City's pavement management database and provide exports
compatible with your GIS,

Below are specific work tasks proposed to support Nashua in continuing their pro-active
approach fo managing its pavement assets. The intent of these tasks will be to update
the City's pavement management database on an annual basis by utilizing ongoing
asset facility distress surveys, conduct data analysis for future capital improvement
planning and monitor system-wide metrics on Nashua's roadways.

WORK TASKS:

Pavement Management System Update:

Stantec will annually re-survey 33% of the City’s roadway network, approximately
101 centerline miles each year to update the pavement surface condition (PCI)
ratings using CartéGraph's PAVEMENTview@Plus software. No data will be
collected on indices other than pavement condition. For each pavement
segment, Stantec will capture a digital picture image and link to the database.

Stantec staff will enter and update new work history repair records for the past
construction season, update distress inspection records, and conduct modeling
and analysis of upcoming fiscal year roadway repair plan. This service includes
attendance at one (1} meeting at Nashua DPW, a written annual summary
describing Nashua's pavement condition network and financial needs, and GIS
shapefile export.

City of Nashua, NH

February 22, 2019

3-Year Optional Pavement Management Support Services Proposal Page 2

SCHEDULE:

Stantec will initiate the proposed work tasks immediately upon receipt of an
executed copy of this agreement/Notice to Proceed such that work tasks can be
performed as soon as possible. This project is expected to require approximately six
(6) months from start to completion of each annual update.

Task Expected Completion
Schedule

Executed Contract Notice to Proceed March 2019

2019 Pavement Management System 33% Update October 2019

Optional 2020 Pavement Management System 33% Update | October 2020

Optional 2021 Pavement Management System 33% Update | October 2021

FEE:
Our not to exceed fee to complete the proposed scope of services as defined
above is Twenty-Eight Thousand and Nine Hundred Dollars ($28,900). Should the
scope of services be expanded, Stantec will discuss the additional fee to accomplish
the additional scope and an amendment to this Agreement will be executed. The
proposed scope of services as defined above is broken down as follows:
1. 2019 Pavement Network-Level Update Task: $ 28,900
2. Optional 2020 Pavement Network-Level Update Task: $ 30,100
3: Optional 2021 Pavement Network-Level Update Task: $ 31,600
INVOICES:

Stantec will invoice the City on a monthly basis during the performance of our
services, the amount of each invoice will be based on the percentage completion
for each work task ai the time of work performance.

Enclosed are two (2) originals. Please indicate your acceptance of this proposal by signing
and dating in the spaces provided and returning one signed copy to Stantec.

Regards,

STANTEC CONSULTING SERVICES INC.

Tol L Sled

William P. Scarpati

Senior Project Manager
Phone: (781) 221-1165
william.scarpati@stantec.com

William R. Moore, P.E.
Senior Principal

Phone: (603) 263-4654
bill moore@stantec.com

City of Nashua, NH February 22, 2019
3-Year Optional Pavement Management Support Services Proposal Page 3

ACCEPTANCE OF THIS PROPOSAL:

If the City of Nashua agrees with proposal, the City of Nashua shall autnherize Stantec to
perform the work by signing and returning a copy of this proposal. By signing, the City
acknowledges and agrees to attached Stantec's Scope of Services, Schedule, Fee, and
previously agreed Terms and Conditions.

CITY:

By:

Signature:

Title:

Date Signed:

S2s\ THE CITY OF NASHUA “The Gate City”

Administrative Services
Purchasing Department

July 28, 2020
Memo #21-013

To: Mayor Donchess
Finance Committee
SUBJECT: Pavement Management Engineering Services Contract Change Order

Please see attached communications from Daniel Hudson, City Engineer dated July 23, 2020 for project
specific details related to this purchase. Below please find a summary of the purchase approval request:

Item: Change Order - Sidewalk Construction Contract
Value: $40,000 (not to exceed)

Prior Approval: $171,759

Vendor: RWC Enterprises

Department: 160 Admin/Engineering
Source Fund: Southeast Quadrant Fund ($31,000) & Capital Fund ($9,000)

Ordinance: Pursuant to § 5-78 Major purchases (greater than $10,000) A. All supplies and
contractual services, except as otherwise provided herein, when the estimated
cost thereof shall exceed $10,000 shall be purchased by formal, written contract
from the lowest responsible bidder, after due notice inviting bids.

The City Engineer, Board of Public Works (7/23/20 BPW meeting) and the Purchasing Department
respectfully request your approval of this contract.

Regards,

Kelly Parkinson
Purchasing Manager

Ceo: D Hudson
C O’Connor

229 Main Street ¢ Nashua, New Hampshire 03061 e Phone (603) 589-3330 e Fax (603) 589-3233 |

To:

From:

Re:

C. Motion:

Discussion:

City of Nashua, Public Works Division

Board of Public Works Meeting Date: July 23, 2020

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

2020 Sidewalk Program
Change Order No. 1

To approve Change Order No. 1 to the 2020 Sidewalk Program Contract with RWC
Enterprises of Nashua, NH for an amount not to exceed $40,000 funded through the
Southeast Quadrant Funds ($31,000) and Capital ($9,000). Funding will be through
Department: 160 Admin/Engineering; Funds: Trust and Capital; Account Category:
54 Property Services and Activity: Sidewalks.

In May a 2020 Sidewalk Program contract was approved to reconstruct
approximately 900 feet of sidewalk on the south side of East Hollis Street between
CVS and Harbor Avenue. Work includes construction of concrete pedestrian
sidewalk, resetting of curb, and ADA compliance improvements at Medical Center
Drive.

The purpose of this Change Order No. 1 is to address additional identified issues,
including constructing ADA compliant ramps and landings at three adjacent street
corners at the East Hollis Street/Harbor Ave/Spruce Street intersection, increasing
thickness of sidewalk at the East Hollis Street/Medical Center Drive intersection to
protect against damage from trucks, and improving matches to abutting properties
through widened sidewalk and back curbing.

A Change Order is still being negotiated. The not to exceed estimate is based on an
engineer’s estimate of probable cost for extended and new contract items.

CHANGE ORDER

No. 1
PROJECT: 2020 Sidewalk Program
OWNER’S CONTRACT NO: IFB0851-032720
EXECUTED CONTRACT DATE: 6/11/2020
DATE OF ISSUANCE: Ti24/2020 EFFECTIVE DATE: Upon City Approval
OWNER: City of Nashua, NH
OWNER’s Purchase Order NO.: 156959
CONTRACTOR: RWC Enterprises
ENGINEER: DPW Engineering

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

1. The City will add to the Contract quantities for additional ADA improvements:
« Harbor Ave at East Hollis Street (McDonalds) east intersection corner,
« East Hollis Street at Spruce Street east intersection corner, (Wendy’s)
« East Hollis Street at Spruce Street west intersection corner (Nashua House of Pizza)

2. The City will add to the Contract the following items based upon unforeseen site conditions:
Item 604.4 Reconstructing/Adjusting Catch Basins and Inlets

Item 608.36 6” Reinforced Concrete Sidewalk

Item 609.56 Reset Granite Curb 6” High Back Curb

Item 646.51 Turf Establishment with Mulch, Loam, and Tackfiers

Unit costs provided for this work has been determined to be fair and reasonable.
Justification:

1. The project limits are adjacent to ADA deficient street corners on East Hollis Street at Harbor
Ave and at Spruce Street that should be upgraded to be ADA compliant prior to paving East
Hoilis Street.

2. The inclusion of the additional pay items will allow for:
a. Work to continue despite unforeseen field conditions.
b. Inclusion of restoration items for disturbance at the back edge of sidewalk.
c. Inclusion of heavy duty sidewalk construction in an area prone to truck turn damage.

Total compensation for the work described and for changes to the Contract Documents shall not
exceed $40,000.00.

Change Order # 1 / 1 of 2 2020 Sidewalk Program

Summary

CHANGE IN CONTRACT PRICE:
Original Contract Price

$171,759.00

CHANGE IN CONTRACT TIMES:
Original Contract Times

Substantial completion: August 7, 2620
Ready for final payment: August 21, 2020

Net changes from previous Change Orders

$0

Net change from previous Change Orders

0 days

Contract Price prior to this Change Order

$171,759.00

Contract Times prior to this Change Order
Substantial completion: August 7, 2020
Ready for final payment: August 21, 2020

Net Increase (decrease) of this Change Order

$40,000.00

Net Increase (deerease) of this Change Order

21 days

Contract Price with all approved Change Orders

Contract Times with all approved Change Orders
Substantial completion: August 28, 2020

$211,759.00
Ready for final payment:September 11, 2020
REC D: ACCEPTED: APPROVED:
By: By: By:
niell Hutison Contractor Mayor Jim Donchess
City Engineer Owner
(Authorized Signature) (Authorized Signature) (Authorized Signature)
Date: 07/27/2020 Date: Date:

Change Order # 1 2 of 2 2020 Sidewalk Program

City of Nashua, New Hampshire

7/24/2020

Division of Public Works MEF
SIDEWALK PROGRAM FY2020
EAST HOLLIS STREET
CO1 ADA Improvements
a : . ses Current
Item No. Item Deseription Units Quantites Unit Price Estimate
203.3. |Unclassified Excavation CY 13 $50.00 $643.52
304.3 Crushed Gravel CY 8 $25.00 $189.81
403.12 |Hot Bituminous Pavement, Hand Method TON 0 $200.00 $0.00
608.24 |4" Concrete Sidewalk SY 22 $75.00 $1,666.67
608.26 |6" Concrete Sidewalk SY 6 $100.00 $620.37
608.54 |Detectable Warning Device, Cast Iron, Powder Coated SY 3 $250.00 $750.00
609.01 |Straight Granite Curb LF 206 $60.00 $12,360.00
609.02 {Curved Granite Curb LF 25 $70.00 $1,750.00
609.5 {Reset Granite Curb LF 25 $50.00 $1,250.00
618.6 |Uniformed Officers § 0 $1,800.00 $0.00
618.7 | Flaggers OR 18 $36.00 $648.00
619.1 Maintenance of Traffic U 0 $1,000.00 $0.00
628.1 Sawed Concrete Pavement LF 30 36,00 $180.00
628.2 |Sawed Bituminous Pavement LF 50 $6.00 $300.00
692 Mobilization (5%) U 0 $5,000.00 $0.00
Subtotal= $20,358.37
COI New Items
604.4 | Reconstructing/Adjusting Catch Basins and Drop Inlets LF 3 $500.00 $1,500.00
608.36 |6" Reinforced Concrete Sidewalk sY 26 $130.00 $3,380.00
609.56 |Reset Granite Curb (6" Back Curb} LF 125 $55.00 $6,875.00
646.51 _|Turf Establishment with Mulch, Loam, and Tackifiers SY 225 $35.00 57,875.00
New Items Subtotal= $19,630.00
Contract= $171,759.00
CO-1 Rounded= $40,000.00
Project Total= $211, 759.00

Page 1 of 4

zx) THE CITY OF NASHUA

Administrative Services
Purchasing Department

"The Gate City"

July 28, 2020
Memo #21-014

TO: Mayor Donchess
Finance Committee

SUBJECT: Energy Recovery Upgrades

Please see attached communications from David Boucher, Superintendent Wastewater Department
dated July 23, 2020 for project specific details related to this purchase. Below please find a summary of
the purchase approval request:

Item:

Value:

Prior Approval:
Vendor:
Department:
Source Fund:

Ordinance:

Ammendment to the contract for upgrade of energy recovery system in the
Nashua Wastewater Treatment Facility

$19,568.90 (not to exceed)

$101,695.74

Waldron Engineering

169 Wastewater

Wastewater

Pursuant to § 5-83. Professional services. [NRO 1975, T. 4, § 1613; NRO 1987, § 2-248;
amended 11-26-1977 by Ord. No. O-77-278; 4-22-1986 by Ord. No. O-86-50; 6-28-1988
by Ord. No. O-88-43; 3-10-1998 by Ord. No. O-98-05; 10-26-1999 by Ord. No. O-99-139]
In the purchase of accounting, architectural, auditing, engineering, legal, medical and
ambulance services and purchases of independent professional consultant services for
personnel, data processing, actuarial, planning, management and other comparable
purchases competitive bidding shall not be required. Competitive bidding is required in
the procurement of insurance agents and consultants.

The Superintendent Wastewater Department, the Board of Public Works (July 23, 2020 meeting) and the
Purchasing Department respectfully request your approval of this contract.

Regards,

Kelly Parkinson
Purchasing Manager

Ce D Boucher
C O’Connor

229 Main Street « Nashua, New Hampshire 03061 e Phone (603) 589-3330 e Fax (603) 589-3233