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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 $291,932.00 will allow 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
will have to establish the compacted soil foundation over the primary liner
drainage sand and place concrete waste blocks on the foundation up to elevation
258 feet.

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 #3 the total
cost of the contract is $783,911.

CHANGE ORDER

No. 3
PROJECT: 2014 Four Hills Landfill Residential Setback Barrier Wall Construction
OWNER’S CONTRACT NO: IFB0593-050514
DATE OF ISSUANCE: March 16, 2017 EFFECTIVE DATE: Upon City Approval
OWNER: City of Nashua, NH
OWNER’s Purchase Order NO.: TBD
CONTRACTOR: Northeast Earth Mechanics, Inc.

ENGINEER; «Sanborn Head Associates

You 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 Jan 16, 2017
Description: For initial construction of the eastern setback barrier wall, and continued construction of the western

setback wall te an elevation 268 feet. To construct the eastern setback wall, establish the compacted soil foundation
over the primary liner drainage sand and place concrete waste blocks on the foundation up to elevation 258 feet.

New Price and Time Summary:

CHANGE IN CONTRACT PRICE:

Original Contract Price

$163,727

CH E IN CONTRACT TIMES:
Original Contract Times

Ready for final payment: September 10, 2014
days or dates

Net changes from previous Change Orders

$328,252

Net change from previaus Change Orders

Substantial Completion: 785 days
Fina) Completion: 815 days

Contract Price prior to this Change Order

$491,979

Contract Times prior to this Change Order

Ready for final payment: December 15, 2016
days or dates

Net Increase (decrease) of this Change Order

$291,932

Net Increase (decrease) of this Change Order

Substantial Completion: 335 days
Final Completion: 365 days

Contract Price with all approved Change Orders

$783,911

Contract Times with afl approved Change Orders

Ready for final payment: December 15, 2017
days or dates

RECOMMENDED: APPROVED:

ee Utd Kad ten. By:
Supertat (Authoriztd Signature) Owner (Authorized Signature)

Date: 3-1-2601 [

Date:

Change Order #3
2014 Setback Barrier Wall

ACCEPFED:

By:
ContractorfAuthorized Signature)

Date: 7-2 ~do/7

Schedule of Values- Bid Items

2017 Concrete Block Residential Setback Wall Construction
Four Hills Landfill

Nashua, New Hampshire

Estimated «rte te Dut Extended
item . Bid Unit Prices .
No. Construction Items Quantity ($/units) Prices
(w/units) (3)
1 |Mobilization/Demobilization 1 LS | $20,600.00 $20,600.00
2 Earthwork - Furnish and Install 320 LF
Screened Till for East Wall $66.00 $21,120.00
3 Furnish and Install Concrete Blocks
a. Part 1 - East Wall Landfill Base to 310 LF
Elevation 258 ft. $175.00 $54,250.00
b. Part 2- West Wall Elevation 260 301 | LF
ft. to Elevation 268 ft $139.00 $111,339.00
4 {Furnish and Install Wall Lining | :
a. Part 1- East Wall Landfill Base to 310 LF
Elevation 258 ft. $58.00 $17,980.00
b. Part 2 - West Wall Elevation 260 801 LF
ft. to Elevation 268 ft. $43.00 $34,443.00
5 Install Landfill Gas Conveyance Pipe at 300 LF
Base of East Wall $14.00 $4,200.00
6 |Survey 1 LS | $28,000.00 $28,000.00
Bid Price ~- Part 1 $72,230.00
Bid Price - Part2 | $219,702.00
Total | $291,932.00

> 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

AUTHORIZED SIGNATURE:_A2chey Stockman

EMAILADDRESS; rodneys@neearth.com

PHONE: 603-365-6284

EAX: 603-435-7950

DATE: 1/16/2017

Page 1 of 4

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 Earthwork

This Bid Item includes all labor, materials, equipment tools, and apparatus as necessary, to place
Screened Till foundation for the east concrete block wall as shown on the Drawings. This item
includes compaction of the material as specified on the Drawings. This item will be paid on a unit
basis per linear foot of Screened Till placement completed. OWNER shall furnish till (unscreened)
from on-site stockpile.

Bid {tem No. 3 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 and on the east side of the east concrete block wall as shown on
the Drawings. OWNER will supply the Common Borrow Fill material. This item will be paid on
a unit basis per linear foot of wall constructed as specified on the Drawings.

Bid Item No. 4 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.

Page 2 af 4

CMS
Month

July 2009

June 2009

May 2009

April 2009
March 2009
February 2009
January 2009
December 2008
November 2008
October 2008
September 2008
August 2008
July 2008

June 2008

May 2008

April 2008
March 2008
February 2008
January 2008
December 2007
November 2007
October 2007
September 2007
August 2007
July 2007

June 2007

May 2007

April 2007
March 2007
February 2007
January 2007

December 2006

Tuesday, July 26, 2022

iPDweb
Month

August 2009
July 2009

June 2009

May 2009

April 2009
March 2009
February 2009
January 2009
December 2008
November 2008
October 2008
September 2008
August 2008
July 2008

June 2008

May 2008

April 2008
March 2008
February 2008
January 2008
December 2007
November 2007
October 2007
September 2007
August 2007
July 2007

June 2007

May 2007

April 2007
March 2007
February 2007

January 2007

Diesel Price

$2.0954
$2.3959
$2.0676
$2.0323
$1.8000
$1.9262
$2.0390
$2.0841
$2.4575
$2.9600
$3.5050
$3.5925
$4.5125
$4.4345
$4.2845
$3.9595
$3.9620
$3.2620
$3.0945
$3.1250
$3.1400
$2.8575
$2.7335
$2.4845
$2.6055
$2.5855
$2.4730
$2.5370
$2.3420
$2.1835
$2.0215

$2.3515

Asphalt Price

Page 6 of 9

Bid Item No. 5 Landfill Gas Conveyance Pipe

This item requires that CONTRACTOR provide all labor and equipment to place landfill gas
conveyance pipe against the landfill side of the east block wall at the base of the wall. Labor shall
include installing 4-inch diameter perforated high density polyethylene (HDPE) SDR-17 pipe and 1 %-
inch diameter Crushed Stone as defined in the Drawings. OWNER shall furnish the pipe and install any
and all fittings (risers, well heads connections, wyes, tees and elbows) required to complete the work.
This item will be paid on a unit basis per linear foot of pipe installed

Bid Item No. 6 Survey

This item requires that CONTRACTOR provide ali 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
and LFG conveyance pipe. 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.

Page 3 of 4

City of Nashua, NH

Liability Insurance Requirements
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

a red 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’.

Page 4 of 4

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