addendum-1-rfp-des-2025-15.pdf
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- Solicitation number
- RFP DES 2025-15
- Issued by
- Merrimack County, New Hampshire
About this file
This is Addendum #1 to RFP DES 2025-15, issued by the New Hampshire Department of Environmental Services Winnipesaukee River Basin Program (WRBP), modifying the procurement for paving services at three locations in Franklin, NH: River Street Extension, River Street Pump Station, and the Wastewater Treatment Facility (WWTF) compound. The addendum revises the proposal submission deadline to 3:00 PM on Friday, March 21, 2025, extends the original March 14, 2025 deadline. The scope of work includes shimming of all pavement areas across the three facilities in addition to previously outlined paving requirements. All work must be completed by June 30, 2025. Site visits are strongly recommended to evaluate access and effort requirements prior to proposal submission.
Pricing for the project shall be submitted as a lump sum cost plus contingency, with award based on the lowest qualified bidder meeting all solicitation conditions. The contract includes a contingency allowance not to exceed $75,000 for asphalt cement mixture adjustments, with a base asphalt cement price of $580.00 per ton. Price adjustments will be automatically applied when monthly asphalt cement prices from the New Hampshire Department of Transportation differ from the base price, calculated using NHDOT guidance dated February 24, 2025, and monthly prices posted on the NHDOT website. Contractors must acknowledge receipt of addenda in their proposal responses. Payment is due within 30 days of invoice submission and satisfactory work completion, and no expenditure is authorized beyond the contract price limitation. Contingency funds require pre-approval by WRBP and documented evidence that asphalt cement price adjustments occurred between proposal submission and project completion.
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Addendum #1 to RFP DES 2025-15 Paving River Street Extension, the WRBP River Street Pump Station, and WRBP Wastewater Treatment Facility (WWTF) Compound in Franklin, NH
Date: 3/12/2025
1. The due date for responses is changed to 3 pm on Friday 3/21/25.
2. The scope of work shall include shimming of all pavement areas of River Street Extension, River St. Pump station. and the WWTF facility.
3. If the cost of asphalt petroleum additives increases between the time of bid and completion of paving project, an adjustment will take effect when the monthly price for asphalt cement as furnished by the NH Department of Transportation differs from the base price contained in the proposal. The base price of asphalt cement for this contract is $580.00 per ton. Adjustment for contingency shall be calculated using the most recent NHDOT guidance (Feb 24, 2025 attached for reference) and monthly prices posted at https://www.dot.nh.gov/document/new-hampshire-monthly-fuel-asphalt-and-steel-prices
4. Award shall be based on lump sum costs plus contingency as shown on Exhibit C Rev-1 (attached).
It is the responsibility of proposing firms to check for addenda on the state’s website for this RFP located at https://apps.das.nh.gov/bidscontracts/bids.aspx and acknowledge their receipt in their proposal response.
https://www.dot.nh.gov/document/new-hampshire-monthly-fuel-asphalt-and-steel-prices https://apps.das.nh.gov/bidscontracts/bids.aspx
EXHIBIT C
COSTS AND TERMS OF PAYMENT
Exhibit C Page 1 of 1 Rev-1 Initials ____________
Date __________
A. I (we) agree to complete the paving of River Street Extension, River Street Pump Station, and the Wastewater Treatment Facility compound as described in Exhibit B for the cost of:
Amount in Figures
Amount in Words
B. Contingency for asphalt cement mixtures = Not to exceed $75,000
The adjustment will take effect when the monthly price for asphalt cement as furnished by the NH Department of Transportation differs from the base price contained in the proposal. The base price of asphalt cement for this contract is $580.00 per ton. Adjustment for contingency shall be calculated using the most recent NHDOT guidance (Feb 24, 2025 attached for reference) and monthly prices posted at https://www.dot.nh.gov/document/new-hampshire-monthly-fuel-asphalt-and-steel-prices
Contract Price Limitation (A + $75,000 contingency) = _____________
Notes:
1. Contractor to be paid within thirty (30) days of submission of invoice and satisfactory completion of work.
2. Approval of this work does not authorize any expenditure over the contract price limitation.
3. Contingency shall only be used if pre-approved by the WRBP and documented tons for asphalt cement adjustment occurs between proposal submission and completion of work.
Company Name https://www.dot.nh.gov/document/new-hampshire-monthly-fuel-asphalt-and-steel-prices
12/23/24 SA
SSD: 3/31/14, 7/30/75, 5/9/83, 12/5/84, 2/12/92, 10/19/93, 5/9/94, 1/26/95, 12/30/96, 02/24/97, Page 1 of 2
12/08/08, 4/15/09, 01/01/12, 04/16/12, 03/24/15, 01/15/16, 02/21/16, 07/28/16, 04/21/17 08/22/17, 12/24/18, 12/23/19, 04/08/20, 12/14/20, 12/28/21, 12/02/22, 01/23/24 https://nhgov.sharepoint.com/sites/DOT-ProjectCentral-Home/Specifications Document Library/Special Attentions/asphalt cement adjustment 2025.docx
February 24, 2025
S P E C I A L A T T E N T I O N
ASPHALT CEMENT ADJUSTMENT AND
ASPHALT CEMENT ADJUSTMENT FOR EMULSION
Bid items involving asphalt concrete mixtures containing asphalt cement may be subject to a price adjustment. Only the asphalt portion of asphalt-rubber cement will be eligible for price adjustment. The adjustment will take effect when the monthly price for asphalt cement as furnished by the Department differs from the base price contained in the proposal. Affected Sections and formulas are detailed below.
The base price* of asphalt cement for this Contract is $ 580.00 per ton.
The monthly price* of asphalt cement used to determine the Asphalt Cement Adjustment will be furnished by the Department and will be posted on the NHDOT website (www.dot.nh.gov/about-nh-dot/divisions-bureaus-districts/construction).
*Source: The monthly price, applicable for the entire month, is developed from information in the Asphalt Weekly Monitor, a publication from Poten and Partners, Inc. The monthly price will be the average of the price range for Southern Maine/New Hampshire PG 64-28 asphalt binder, as published in the Asphalt Weekly Monitor on the dates shown in the following table. The base price is the latest available monthly price at the time the contract documents are prepared.
Month Publication Date Month Publication Date Month Publication Date
January December 23, 2024 May April 28, 2025 September August 25, 2025
February January 27, 2025 June May 26, 2025 October September 22, 2025
March February 24, 2025 July June 23, 2025 November October 27, 2025
April March 24, 2025 August July 28, 2025 December November 24, 2025
The contract prices of bituminous materials will be paid under the respective items in the contract.
The price adjustment, as provided herein, upwards or downwards, will be made concurrently as the work is accomplished as follows:
Item 403.__ - Pavement (except items 403.4, 403.16, & 403.26) and Item 411.__ - Hot Bituminous Concrete Leveling Course and Plant Mix Surface Treatment
The price adjustment will be based on the percent of virgin asphalt cement stated in the Approved
Mix Design containing the maximum percentage of reclaimed asphalt pavement. In the event of breakdown or unforeseen circumstances other than weather, an Approved Virgin Mix Design may be used. The price adjustment will then be based on the total percent of virgin asphalt cement in that approved design.
A contract adjustment will be made under Item 1010.2 based on; [monthly price minus the base price] X [Approved Mix Design percent of virgin asphalt cement] X [tons of pavement used].
12/23/24 SA
SSD: 3/31/14, 7/30/75, 5/9/83, 12/5/84, 2/12/92, 10/19/93, 5/9/94, 1/26/95, 12/30/96, 02/24/97, Page 2 of 2
12/08/08, 4/15/09, 01/01/12, 04/16/12, 03/24/15, 01/15/16, 02/21/16, 07/28/16, 04/21/17 08/22/17, 12/24/18, 12/23/19, 04/08/20, 12/14/20, 12/28/21, 12/02/22, 01/23/24 https://nhgov.sharepoint.com/sites/DOT-ProjectCentral-Home/Specifications Document Library/Special Attentions/asphalt cement adjustment 2025.docx
Item 410.72 - Chip Seal Surface Treatment Rubber Polymerized price] X [asphalt factor] X [tons of AC used] where:
Assumptions:
Asphalt factor equals 82% Tons of AC used equals the total number of gallons sprayed divided by 235
Item 419.1__ - Bonded Wearing Course price] X [Total AC in the BWC process percent] X [tons of BWC paved] where:
Total AC in the BWC process equals 5%
Item 419.2__ – AR Bonded Wearing Course price] X [Total AC in the AR BWC process percent] X [asphalt factor] X [tons of BWC paved] where:
Total AC in the BWC process equals 5% Asphalt factor equals 82%
Emulsified Asphalt Cement [For Items 306.33, 405.__, 410.__ (excluding 410.22, 410.72 & 410.75_), 418.11__ , 418.32, and 419.3]
A contract adjustment will be made under Item 1010.21 based on; [monthly price minus the base price] X [percent of residual asphalt cement] X [Tons of Emulsion used].
Quantities are assumed to be measured at 60o F Volume reduction between typical delivery temperature (+/- 140o F) and 60o F is 2% Adjustment payment assumes 62% Residual Asphalt for all grades 239 Gallons/Ton is the unit conversion at 60o F
Item 1010.2 Asphalt Cement Adjustment1 Dollar Item 1010.21 Asphalt Cement Adjustment for Emulsion1 Dollar
When no item for Asphalt Cement Adjustment and/or Asphalt Cement Adjustment for Emulsion is included in the contract no adjustments will be made.
1 Not a bid item
| Addendum 1 WRBP Paving RFP.pdf |
| EXHIBIT C Paving FY25_Rev-1.pdf |
| Asphalt cement adjustment 2025.docx.pdf |
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