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EXHIBIT B

Bread Sireet Parkway
Appraisal Services

Cost Proposal

Proposal of Capital Appraisal Assoc., Inc. (hereinafter

called "BIDDER"), organized and existing under the laws of the

doing business as corporation

(Corporation, Partnership, Indi rdual)
To the City of Nashua, 229 Main St., Nashua, 03060 (hereinafter called “OWNER").
In accordance with the Request for Proposals, BIDDER hereby proposes to perform the

Work required to appraise the properties listed below within the time set forth therein,
and at the lump price stated below. The undersigned certifies that the above entity is on
the list of NHDOT approved appraisers and in good standing with NHDOT. The proposal
shall be valid for sixty (60) days.

Parcel Appraisai Cost

44 Broad Street, Assessor's Map 71, Lot 2 $2,500.00

73-75 Broad Street, Assessor’s Map 133, Lot 33 $ 2,500.00

1! Baldwin Street, Assessor's Map 62, Lot 233 $2,500.00

9 Hillcrest Avenue, Assessor’s Map 62. Lot 182 $ 2,500.00

Total of SBParcels $10,000.00
Oech Jf Jip... January 17, 2018
a nee Signature & Title (Officer) Date

Timothy R. Daniels

\ THE CITY OF NASHUA “The Cate City’

Financial Services

Purchasing Department

March 1, 2018
Memo #18-096

TO: MAYOR DONCHESS
FINANCE COMMITTEE

SUBJECT: CHANGE ORDER #4 TO CONTACT WITH NORTHEAST EARTH MECHANICS TO
EXPAND CONSTRUCTION OF THE RESIDENTIAL SETBACK BARRIER WALL IN THE
PHASE I! LANDFILL (VALUE: $199,763)
DEPARTMENT: 168 SOLID WASTE; FUND: BOND

Please see the attached communication from Jeff Lafleur, Solid Waste Department Superintendent dated
February 22, 2018 for the information related to this Change Order #4.

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 Solid Waste Department Superintendent, Board of Public Works (February 22, 2018 meeting) and
the Purchasing Department recommend the approval of this Change Order #4 in an amount of $199,763
to Northeast Earth Mechanics, Inc. of Pittsfield, NH.

Respecttully, ~~
! CN

J Dan Kooken
Purchasing Manager

Ce: J Lafleur L Fauteux

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

To:

From:

Re:

A. Motion:

Discussion:

City of Nashua, Public Works Division

Board of Public Works - Meeting Date: February 22, 2018
Jeff Lafleur, Superintendent
Solid Waste Department

Change Order #4 to contract with Northeast Earth Mechanics, Inc.

To approve Change Order #4 to the contract with Northeast Earth Mechanics, Inc.
(NEM) in the amount of $199,763 to continue construction of the residential
setback barrier wall in the Phase II landfill. Funding will be through Department:
168 Solid Waste; Fund: Bond.

NHDES Solid Waste Rules prohibit placement of municipal solid waste within
500 feet of a residential structure. The Four Hills lined expansion landfill (Phase
I & II) was designed and constructed with the footprint of the landfill encroaching
the 500-foot setback limit to residences on Farmwood Drive to the west and
Pioneer Drive to the east. In order to comply with the residential setback rule, a
barrier must be constructed within the footprint of the landfill to prevent waste
from being placed in the setback. The barrier wall must be expanded annually as
waste elevations in the landfill increase.

In May 2014 the City solicited bids for construction of Phase 1 of the soil wall
under IFB0593-050514. Six contractors submitted bids for the project with
Northeast Earth Mechanics (NEM) being the lowest bidder:

Vendor Bid results
Northeast Earth Mechanics $163,727.50
Morello Construction $167,337.50
Daniel T. Ladd Site Work $203,300.00
Project Resource Group LLC $234,054.00
Greene & Russell, Inc. $266,000.00
SCS Field Services $297,405.00

Under the original contract in the amount of $163,727.50 Northeast Earth
Mechanics (NEM) began initial construction in July 2014 of the western
residential setback barrier wall in the Phase II/Stage I landfill. Per the NHDES

_ approved scope of work and contract executed June 10, 2014, NEM established a

compacted soil foundation over the primary liner drainage sand and placed four
lifts of concrete waste blocks on the foundation.

Change Order #1 in the amount of $163,912 provided for the continued
construction of the western wall to an elevation of 260 feet in the Phase II/Stage I
landfill.

Change Order #2 in the amount of $164,340 continued construction of the
western wall into the Phase II/Stage II landfill up to an elevation of 260 feet.

Change Order #3 in the amount of $291,932 allowed for initial construction of
the eastern setback barrier wall, and continued construction of the western setback
wall to an elevation 268 feet. To construct the eastern setback wall, NEM
established the compacted soil foundation over the primary liner drainage sand
and placed concrete waste blocks on the foundation up to elevation 258 feet.

Change Order #4 in the amount of $199,763 will continue construction of the
western setback wall from elevation 268 feet to elevation 276 feet. The elevation
increase is needed to keep pace with waste filling activities in the Phase II
landfill. The quote also includes the purchase of 250 extra blocks to be used in
the next phase of wall construction.

It is the recommendation of the Solid Waste Superintendent to continue
construction of the Set Back Barrier Wall with NEM. They have provided
reasonable, consistent pricing and quality construction services for each
completed phase of this project. Upon approval of Change Order #4 the total
cost of the contract is $983,674.

CHANGE ORDER

No. 4
PROJECT: 2014 Four Hills Landfiil Residential Setback Barrier Wall Construction
OWNER’S CONTRACT NO: IFB0593-050514
DATE OF ISSUANCE: March 7, 2018 EFFECTIVE DATE: Upon City Approval
OWNER: City of Nashua, NH
COWNER’s Purchase Order NO.: 132344
CONTRACTOR: Northeast Earth Mechanics, Inc.
ENGINEER: __ Sanborn Head Associates

Y ou are directed to make the following changes in the Contract Documents: Description, Purpose of
Change Order, and Justification. Attachments: (List Documents supporting change)

Purpose: Additional Work for the Setback Barrier Wall.
Attachment: Northeast Earth Mechanics, Inc. proposal dated February 12, 2018

Description: To continue construction of the residential setback barrier wall at the City of Nashua’s
Four Hills Landfill.

Change Order #4
Setback Barrier Wall 1 of 2

Summary

CHANGE IN CONTRACT PRICE:

Original Contract Price

$163,727

CHANGE IN CONTRACT TIMES:
Original Contract Times

Ready for final payment: September 10, 2014

Net changes from previous Change Orders

$620,184

Net change from previous Change Orders

Ready for final payment: December 15, 2017

Contract Price prior to this Change Order

$783,911

Contract Times prior to this Change Order

Ready for final payment: December 15, 2017

Net Increase (deerease} of this Change Order

$199,763

Net Increase (deerease} of this Change Order

Ready for final payment: December 15, 2018

Contract Price with all approved Change Orders

Contract Times with all approved Change Orders

$983,674 Ready for final payment: December 15, 2018
RECOMMENDED: ACCEPTED: APPROVED:
By: By:
Contractor Mayor Jim Donchess
(Authorized Signature) (Authorized Signature) Owner
(Authorized Signature)
Date: 2~ 20%] & Date: "
Date:

Change Order #4

Setback Barrier Wali 2 of 2

Schedule of Values- Bid Items
2018 Concrete Block Residential Setback Wall Construction

Four Hills Landfill
Nashua, New Hampshire
Item Estimated Quantity Bid Unit Extended
No. Construction Items (w/units) . Prices Prices
($/units) ($)
1 |Mobilization/Demobilization 1 LS | $2 2,700.00 $22,720.00
2 Furnish and Install Concrete Blocks
West Wall Elevation 268 ft. to 723 LF
Elevation 276 ft. $146.00 $105,558.00
3 |Furnish and Install Wall Lining = | oe
West Wall Elevation 268 ft. to 723 LF
Elevation 276 ft. | $45.00 $32,535.00 .
4 Surve 1 LS
y $14,700.00 | $14,700.00
5 Extra Concrete Block 250 LS $24,250.00 $24,250.00
Total Bid Price $199.763.00
> A100% Performance Bond and 100% Payment Bond, in the amount equal to the Contract
Award, will be required to be posted.
>» Submission of a project specific health and safety plan that conforms to all applicable OSHA

requirements is required. This plan shall be adhered to by CONTRACTOR’S employees while on
site and during performance of the specified work.

CONTRACTOR: _ NorthEast Earth Mechanics. Inc

AUTHORIZED SIGNATURE:_ Rodney Stockman

EMAIL ADDRESS:

PHONE:

603-365-6284

rodneys@neearth.com

FAX:

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603-435-7950

DATE: _ 2/12/2018

BID ITEM DEFINITIONS

Concrete Block Wall
Four Hills Landfill
Nashua, New Hampshire

The following describes the Bid Items and the mechanism for payment to CONTRACTOR for each
completed Bid Item. All incidental costs such as overhead, profit, and insurance shall be factored into
the Bid Item unit prices. All measurements are based on plan view areas and lengths without
consideration of slope. Bidders should factor slope adjustments into their Bid Item unit prices.

Bid Item No. 1 Mobilization/Demobilization

This item requires that CONTRACTOR furnish and/or deliver to the job site all labor, materials,
resources, and temporary support facilities, including but not limited to portable sanitary facilities,
and equipment necessary to perform the required Work. In addition, CONTRACTOR shall prepare
all required written plans and schedules, including but not limited to: Site-Specific Health and Safety
Plan, initial and progress construction schedules, and subcontractor work plans. One half of this
item will be paid as part of the initial progress payment after temporary support facilities are set up
and construction equipment and materials have been delivered to the Site. The remainder will be
paid for demobilization after the Work has been deemed substantially complete, CONTRACTOR has
provided Record Documents in accordance with the requirements of the Specifications, and
CONTRACTOR has demobilized from the Site, which shall include removal of all materials, resources,
equipment, temporary support facilities, and all remaining construction debris at the completion of
the work.

Bid Item No. 2 Furnish and Install Concrete Blocks

This Bid Item includes all labor, materials, equipment, tools, and apparatus as necessary, to furnish
and install concrete blocks as shown on the Drawings. CONTRACTOR shall be responsible to
provide equipment and labor necessary to transport and unload concrete blocks at the site.
CONTRACTOR shall be responsible for placing and compacting Common Borrow Fill along the west
side of the west concrete block wall as shown on the drawings. OWNER will supply the Common
Borrow Fill material; however, CONCTRACTOR will be responsible for screening Common Borrow
Fill as necessary for placement and compaction on the west side of the west wall. This item will be
paid on a unit basis per linear foot of wall constructed as specified on the Drawings.

Bid Item No. 3 Supply and Install Wall Lining

This item includes all labor, materials, equipment, tools, and apparatus as necessary, to furnish and
install 60-mil HDPE Smooth Geomembrane and 10 ounce per square yard nonwoven geotextile
as specified on the Drawings. This item will be paid on a unit basis per linear foot of wall
constructed as specified on the Drawings.

Bid Item No. 4 Survey

This item requires that CONTRACTOR provide all labor and equipment required to perform
construction layout and as-built documentation as required by the Drawings and as requested by
ENGINEER and/or OWNER. Construction layout shall be completed prior to the start of screened till
placement and shall include the concrete block wall alignment and all other work items as defined in
the Drawings. CONTRACTOR shall document the constructed alignment of the concrete block wall.

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As-built survey locations shall be performed as features are constructed for payment and record
information and shall include all completed items as defined in the Drawings. This item will be paid on
a lump sum basis prorated over the scheduled duration of the work.

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Liability Insurance Requirements

City of Nashua, NH

July 1, 2015

‘The VENDOR must maintain the following lines of coverage and policy limits for the duration of the
contract. Any subcontractors used by the VENDOR are subject to the same coverage and limits and is a
subcontractor to the VENDOR and not the OWNER. It is the responsibility of the VENDOR to update
Certificates of Insurance during the term of the contract.

» General Liability:
$1,000,000 per Occurrence
$2,000,000 Aggregate
(City of Nashua Additional Insured)

> Motor Vehicle Liability:

$1,000,000 Combined Single Limit *coverage must include all owned, non-owned
and hired vehicles.
(City of Nashua Additional Insured)

> Workers’ Compensation Coverage according to Statute of the State of New Hampshire:
$100,000 / $500,000 / $100,000

(Sole Proprietors not subject to Workers’ Compensation requirements)

VENDOR and subcontractors at every tier under the VENDOR will fully comply with NH RSA 281-A,
“Workers’ Compensation”.

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