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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

Toa:

From:

Re:

A. Motion:

Attachment:

Discussion:

City of Nashua, Public Works Division

Board of Public Works Meeting Date: July 23, 2020

David L. Boucher, Superintendent
Wastewater Department

Energy Recovery Upgrades ~ Construction Phase Services

To approve Amendment #2 to the contract with Waldron Engineering of Exeter,
NH in an amount not to exceed $19,568.90 for construction administration
services for the Energy Recovery Upgrade Project. Funding will be through:
Department: 169- Wastewater; Fund: Wastewater; Activity: Energy Recovery
Upgrades.

Waldron Engineering Contract

The Nashua Wastewater Treatment Facility is undergoing an upgrade of its
energy recovery system. Work began in the summer of 2019 and Waldron
Engineer was awarded the construction phase services contract in the amount of
$76,762. As work progressed on the project, it was realized the construction work
was more complicated and took longer to install than realized. Waldron requested
Amendment #1 to the contract in the amount of $24,933.74 for additional work
related to unknown utilities, associated RFI and change order reviews, and related
activities. The new contract value following CO1 came to $101,695.74.

Amendment #2 is for additional time need for the consultant services as a result of
the construction taking approximately 7 months longer than anticipated. Part of
the delay can be attributed to the complexity of the project but also due to Covid-
19 that resulted in the delays to the contractor’s ability to get work done.
Amendment #2 is for $19,568.90 bring the total contact amount to $121,264.64.
The total contract amount is still very reasonable equating to only 6% of the
contract value whereas most other project have construction services costs of 8 —
10% of the construction contract value.

AMENDMENT NO.2
TO
AGREEMENT BETWEEN
CITY OF NASHUA, NEW HAMPSHIRE
AND
WALDRON ENGINEERING & CONSTRUCTION, INC.
FOR
ENGINEERING CONSTRUCTION SERVICES

This AMENDMENT No.2 made the day of , 2020, by and between The City
of Nashua, New Hampshire, (hereinafter called OWNER), and Waldron Engineering & Construction,
Inc. (hereinafter called ENGINEER).

WHEREAS, an AGREEMENT was entered into on January 17, 2019 and amended on December 24, 2020
between the OWNER and ENGINEER, which AGREEMENT is entitled “Eugineering Construction
Service.”

hereinafter referred to as AGREEMENT.

WHEREAS, the ENGINEER is requesting supplementary funds to perform additional engineering and
design services for the Construction Administration -Resident Engineering portion of the work, related to the
extension of the project site construction period and in accordance with attached scope of work dated July 8,
2020.

Payment will be made in accordance with the original agreement based on hours and rates by labor category
with mark-up and incidental expenses in accordance with the attached fee, as modified for this amendment.

NOW, THEREFORE, in consideration of said AGREEMENT and other good and valuable considerations, it
is hereby agreed and acknowledged by and between OWNER and ENGINEER to amend the AGREEMENT,
as follows:

The AGREEMENT shall be further amended to include this Amendment, a copy of which shall be attached
thereto and made a part thereof.

1. That the dollar amount in Section III, Paragraph A, Item 2, on page 3 be amended to read:

“One Hundred and Twenty-One Thousand and Two Hundred and Sixty-Four and 64/100 Dollars
($121,264.64)”

2. That the dollar amount in Section III, Paragraph B, Item 2, on page 3 be amended to read:

“Thirty-Nine Thousand and Five Hundred and Thirty-Seven and 90/100 Dollars
($39,537.90)”

Amendment 2
Waldron Engineering
CPS Engineering Contract

IN WITNESS WHERECE, the parties hereto have made and executed this AMENDMENT to said AGREEMENT as
of the day and year first above written,

ENGINEER:
WALDRON ENGINEERING & CONSTRUCTION, INC.

By:

(Authorized Representative *}
Date:

OWNER:
CITY OF NASHUA

By:

(Authorized Representative *)
Date:

APPROVED:

DEPARTMENT OF ENVIRONMENTAL SERVICES
Water Division

By:

(Authorized Representative **)

Date:

* Signatures should be supported by appropriate document.

dal it is agreed that as an act in furtherance of its statutory authority to approve engineering agreements for treatment works, the
DIVISION's approval does not impose any contractual obligation or liability on the State of New Hampshire, the Department of
Environmental Services or the Division.

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, New Hampshire

2, GRANT/LOAN NO.

3. NAME OF CONTRACTOR OR SUBCONTRACTOR

Waldron Engineering & Construction, Inc.

4, DATE OF PROPOSAL
July 8th_, 2020

5. ADDRESS OF CONTRACTOR OR SUBCONTRACTOR (Include ZIP)

37 Industrial Drive, Exeter, Suite G-1, NH 03833

6. TYPE OF SERVICE TO BE FURNISHED
Engineering Services

PART IT- COST SUMMARY

HOURLY ESTIMATED
7. DIRECT LABOR (Specify labor categories) HOURS RATE COST TOTALS
Project Manager H 74 3814
Lead Engineer 19 52 5988
Staff Engineer 120 32 $3,840
Lead Designer 0 40 $0
Staff Designer 0 33 50
Technician
Clerical 8g 21 $168
DIRECT LABOR TOTAL: 55,810
ESTIMATED
8. INDIRECT COSTS (Specify indirect cost pools) RATE X BASE= COST
190% $5,810 511,039
INDIRECT COSTS TOTAL: $16,849
9, OTHER DIRECT COSTS a
a, TRAVEL ESTIMATED
COST
(1} TRANSPORTATION $1,035
(2) PER DIEM
TRAVEL COSTS TOTAL:
b. EQUIPMENT, MATERIALS, SUPPLIES ESTIMATED
(Specify categories) QTY COST COST
EQUIPMENT SUBTOTAL:
ce, SUBCONTRACTS ESTIMATED
COST
SUBCONTRACTS SUBTOTAL:
d, OTHER (Specify categories) ESTIMATED
COST
OTHER SUBTOTAL: =
8 OTHER DIRECT COSTS TOTAL: $1,035
10. TOTAL ESTIMATED COST $17,884
11, PROFIT $1,684.90
12. TOTAL PRICE $19,568.90

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