CHANGE ORDER
No.2
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.
Justification: During the construction of Phase I/Il for the Landfill Gas Collection System, which
included new horizontal and vertical gas wells, one of the main vacuum headers in the Landfill began
showing signs of failure (e.g. loss of vacuum to several gas collectors). The Engineer, Sanborn Head
Associates, has prepared a construction design for the replacement of the vacuum header.
Attachment(s): Sanborn Head Associates Schedule of Values
Change Order # 2 1 of 2
IFB0593-080919
2019 Landfill Gas Collection and Control System Expansion
