Finance Committee

CHANGE ORDER

No.1
PROJECT: 2019 Landfill Gas System Expansion
OWNER’S CONTRACT NO: IFB0593-080919
EXECUTED CONTRACT DATE: September 19, 2019
DATE OF ISSUANCE: Upon City Approval EFFECTIVE DATE: Upon City Approval
OWNER: City of Nashua, NH

OWNER’s Purchase Order NO.: 152614
CONTRACTOR: SCS Field Services

ENGINEER: Sanborn Head & Associates

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

Description: For the replacement of a vacuum header.

Schedule of Vajues

LFG Header Replacement

(Add on to 2019 Landfill Gas System Expansion)
Four Hills Land&ll

Nashua, New Hampshire

Item Description Quantity Bid Unit Cost Extended
No, scrip (w/ units) ($/units) Prices ($)
1__|Connect to Existing 12"9 Header 1 LS $2,000.00| LS $2,000.00

Furnish & Insta}] Landfill Gas Conveyance Pipe

To:

From:

Re:

A. Motion:

Attachments:

Discussion:

City of Nashua, Public Works Division

Board of Public Works Meeting Date: September 26, 2019

Jeff Lafleur, Superintendent
Solid Waste Department

2019 Landfill Gas Collection and Control System Expansion Change Order

To approve a change order to the contract with SCS Field Services of Reston, VA
in the amount of $135,140 pending bond approval. Funding will be through
Department 168 Solid Waste; Fund: Bond; Activity: Landfill Gas Expansion FY20.

\ THE CITY OF NASHUA | “The Cate City’

Administrative Services

Purchasine Department

January 30, 2020
Memo #20-079

TO: MAYOR DONCHESS
FINANCE COMMITTEE

SUBJECT: LANDFILL GAS EXPANSION — CHANGE ORDER 1 (VALUE: $135,140)
DEPARTMENT: 168 SOLID WASTE; FUND: BOND

Please see the attached communication from Jeff Lafleur, Solid Waste Department Superintendent dated
January 30, 2020 for the information related to this contract.

TITLE

Scope:The original estimate for the pipe support plan prior to the change required in PCO #3.

{LABOR
CATEGORY HRS RATE/HR PREMIUM SUBTOTAL LINE TOTAL TOTAL

SUBTOTAL $ 2,232.40

2-MATERIALS
DESCRIPTION QTy UNIT UNIT COST SUBTOTAL

Estimated

Clevice Hangers & Anchor Rods 41 $ 2,000.00] $ 2,000.00} $ 2,000.00

Dumpster / Disposai $ 750.00 | $ 750,00 | $ -

SUBTOTAL $ 2,000.00

SUBTOTAL 1 & 2 $4,232.40

Consider ($4,232.40) as a deduct in this overall PCO #3.

Page 1 of 2 12/3/2019 - 12:26 PM

JOHNSON’S PRECISION WELDING
37 Allison Park
Brewer, ME 04412
207.570.2690

jpweldingd5@gmail.com

Quote: Nashua Energy Recovery 10.27.19
Ceiling Grid and Support Steel

Metheun Construction Facilities Services
Attn: Don Hutchins

144 Main Street P.O. Box 980

Plaistow, NH 03865

Price includes installation of Unistrut Ceiling grid for piping and additional support
steel for generator. Materials supplied by others.

Pipe Supports

Pipe Supports

Gree! Doc#: PCOS
SIT eens Ref. Document:
PROJECT NAME: Date: 26-Dec-19
Nashua Energy Recovery
PROJECT NO: 181012
PHASE
COST SUMMARY SHEET
Pipe Supports
A MC Labor (Recap Sheet): $3,868.34
B MC Materials, & Equipment (Recap Sheet): $7,431.78
Cc MC Fee (A x 15%) + (B x 15%): $1,695.01
D Subtotal MC Work (A+ B+C): | $ 12,995.11
E Total Subcontractors (Below): $9,000.00
F MC Mark-up on Subcontractor Work (5%, 7.5% or 10%): | $ 782.61
G Bond (1%) and General Liability (1%): $455.55

Conclusion

Waldron has reviewed all the available information, and has taken into consideration the factors
surrounding the issues in question.

Waldron recommends approving $19,000.87 of the claim as noted above and did not review
schedule impacts under this PCO.

If you have any questions on the above, please don’t hesitate to contact me at 603-772-7153 x
148 or egustenhoven@waldron.com

Sincerely
Waldron Engineering & Construction, Inc.

Erich L. Gustenhoven, P.E.