Agenda

SANBORN HEAD

Building Trust. Engineering Success.

TO BIDDERS OF RECORD November 23, 2016

Re:

File No. 3066.07
Addendum No. 2
Contract and Technical Documents
Spring 2017 Landfill Gas System Expansion (IFB0593-113016)
Four Hills Landfill
Nashua, New Hampshire

This Addendum shall be part of the Contract Documents for the above-referenced project.
Please acknowledge receipt of this Addendum in your bid for this project. Responses to
the questions received from bidders are provided in italic font.

TABLEA
LFG Well Depth Summary

Four Hills Landfill
Nashua, New Hampshire

| | Elevation (ft) Well Depth
Well Designation Bottom of | Approximate (ft)
Screen Top of Casing

VB 219.2 267 47.8

VC 219.7 270 50.3
VOO5R 218.0 286 68

VOO6R 217.5 286 68.5
VO0O7R 220.0 286 66
VOO8R 224.0 264 40
Vo11 218.0 268 50
V017 232.0 274 42
V018 216.0 286 70
Vo21 219.0 271 52

P:\3000s\3066.07\Source Files\2016 LFG Const\Bidding\Addenda\l\LFG Well Depths.xlsx

Sanborn, Head & Associates, Inc.

November 16, 2016 Page 3
20161116 Addendum No 1.docx 3066.07

Clarification on Work Performed

November 16, 2016 Page 2
20161116 Addendum No 1.docx 3066.07

A: The City does not have a designated surveyor. The surveyors below are local and
have worked on this site in the past.

WSP (Nashua, NH)
Hayner Swanson, Inc. (Nashua, NH)

Meridian Land Services, Inc. (Amherst, NH)

8. All excavated material (including waste) can be placed back in the trenches with the
pipe?

A: Excavated Material, where called out on the construction drawings, may include
waste.

SANBORN HEAD

Building Trust. Engineering Success.

TO BIDDERS OF RECORD November 16, 2016

Re:

File No. 3066.07
Addendum No. 1
Contract and Technical Documents
Spring 2017 Landfill Gas System Expansion (IFB0593-113016)
Four Hills Landfill
Nashua, New Hampshire

This Addendum shall be part of the Contract Documents for the above-referenced project.
Please acknowledge receipt of this Addendum in your bid for this project.

Responses to Questions from Bidders

1.

DIVISION 1
INVITATION FOR BID

TABLE OF CONTENTS

DIVISION

1. INVITATION FOR BID ooo ence e eee tens enneenestecntesseensenteeneeteeerteeeents
2. INFORMATION FOR BIDDERS. ...00000oo occ eeeeeeeeeee tees eenseeteeneeneeesteeeents
3. BID FORM, BID BOND, AND CONTRACTOR’S QUALIFICATIONS ..........ccseeeee
4, SCHEDULE OF VALUES AND BID ITEM DEFINITIONS...

5. PERFORMANCE AND PAYMENT BONDS, CERTIFICATE OF LIABILTY

City of Nashua, New Hampshire
Division of Public Works

Spring 2017 Landfill Gas Collection and
Control System Expansion

Four Hills Landfill and Recycling Center

Construction Specifications
and
Contract Documents

Prepared By:

Solid Waste Department
840 West Hollis Street
Nashua, NH 03062
Tel: (603) 589-3410
Fax: (603) 594-3448

October 2016

To:

From:

Re:

A. Motion:

Discussion:

City of Nashua, Public Works Division
Board of Public Works Meeting Date: January 26, 2017

Jeff Lafleur, Superintendent
Solid Waste Department

Spring 2017 Landfill Gas Collection System Expansion

To approve a contract with Charter Contracting Company LLC of Boston, MA to

construct an expansion of the landfill gas collection system in the Phase I/II landfill in the

b) THE CITY OF NASHUA The Gate City!

Financtal Services

Purchasing Department

January 26, 2017
Memo #17-093

TO: MAYOR DONCHESS
FINANCE COMMITTEE

SUBJECT: SPRING 2017 LANDFILL GAS COLLECTION SYSTEM EXPANSION CONTRACT
AWARD (VALUE: $298,395)
DEPARTMENT: 168 SOLID WASTE; FUND: BOND
ACTIVITY: LANDFILL GAS EXPANSION FY17

Please see the attached communication from Jeff Lafleur, Superintendent Solid Waste Department dated
January 26, 2017 for the information related to this purchase.