Bids and Proposals

Bid Contact phone number (603) 610-7227

Attention Bidders

If you have difficulty downloading any bid or proposal, or if you have questions, please contact the Purchasing Coordinator at (603) 610-7227. The City may elect not to post all City bids and requests for proposal on this web site. If you are looking for a particular bid or proposal document and do not see it here please contact the Purchasing Coordinator at the number above. 

It is your responsibility to download completely documents from this web site and to check this web site for any additional documentation that may be issued relative to a particular document. Addenda will be identified on the web site, including date of issuance. The City will post addenda on this site at least 2 business days prior to the deadline for bid/proposal submittal. The City will not inform you of addenda. The City reserves the right to postpone the bid opening. Please review any additional instructions. 

You should not alter or modify any bid documents or proposal forms downloaded from this web site. Altering or modifying such documents or forms may result in disqualification.

If you are looking for Bids  in the following years, please click on the links  2017 - 2016 - 2015 - 2014 - 2013 - 2012 - 2011 - 2010 - 2009 - 2008 - 2007 - 2006 - 2005


Bid/Proposal Deadline Additional Instructions Pre-Bid Meeting Addenda Bid Summary
Bid 25-19 Grafton Road Drinking Water Treatment Plant Upgrade

The complete bid document can be found at:

See bid invitation for more details.

RFP 23-19 Engineering & Design Services Rock Street Park Improvements

Pre-proposal meeting attendees

Irrigation As Built_1998


Clarification to Addendum#1:  The answer to Question#18 of Addendum #1, RFP 23-19 has been changed to a more thorough answer. See Addendum #1.

Pre-proposal meeting. Meeting is not mandatory but it is highly recommended that vendors attend.
Addendum 1
RFP 15-19 School Department Sound System Installation Services for Portsmouth High School

Pre-proposal meeting attendees


Bid 11-19 Hanover Street Area Improvements (McDonough St. Project 4)
11:00 a.m.

The bid due date and time has been changed to August 24, 2018 at 11:00 a.m..  See Addendum 1.



Pre-bid meeting attendees

Addendum 1, Addendum 2
RFP 78-18 Peirce Island Pool House Design Project

The proposal due date has been changed to August 9, 2018.  See Addendum 1 for more information.

Pre-proposal meeting attendees

Peirce Island Master Plan Richardson Assoc 1999

Peirce Island Pool Facilities Rehab Plan 1994

Peirce Island Pool Facilities Restoration Plan 1978



Addendum 1, Addendum 2
Bid 67-18 2018 City Wide Tree Planting

Mandatory pre-bid meeting

RFP 61-18 North Mill Pond Trail and Greenway

299 Vaughan Landscape Plan

North Mill Pond Feasibility Study Concept Plans 1996 and 1997

North Mill Pond City Council - Sept 8, 2015

Addendum #1, Addendum #2
Project rebid: Bid 66-18 On-Street Bicycle Facility Improvement Project Lafayette Rd. Middle St.

Addendum #1.
Bid 65-18 PHS- CTE MAKERSPACE Project

School Department bid

Mandatory pre-bid meeting 

Addendum #1
Bid 48-18 Route 33 Recreation Field

Bid 48-18 Plans. 

The bid due date and time has been changed to 1:00 p.m., April 5, 2018. See Addendum 3

Mandatory pre-bid meeting

Addendum #1, Addendum #1, Addendum #3, Addendum #4, Addendum #5

Bid not awarded.  Not moving forward with this project.

Bid 40-18 Pleasant Street Roadway Improvements.

The bid due date and time has been changed to 10:00 a.m. March 29, 2018 from March 26. See Addendum 1

Mandatory pre-bid meeting: 

Addendum #1
Bid 38-18 Newington Booster Pump Station Upgrades

The complete bid document can be found at: (See bid invitation for more details.)

Addendum #1, Addendum #2, Addendum #3

Mandatory pre-bid meeting 

Bid 53-18 On-Street Bicycle Facility Improvement Project Lafayette Rd. Middle Street

53-18 Project Plans

Non-mandatory pre-bid meeting, see Addendum 1.

Addendum #1, Addendum #2

Not Awarded will rebid

Bid 47-18 Corporate Drive and Goose Bay Drive Sewer Improvements

Bid 47-18 Plans  

Pre-bid meeting attendees

Pre-bid meeting attendees

Addendum #1

Mandatory pre-bid meeting 

Bid 15 -18 Osprey Landing Water Tank Remedial Implementation Work

Addendum #1

Mandatory pre-bid meeting February 22, 2018