addendum-1-rfp-des-2025-14.pdf

Initials _________ Date _________

Addendum #1 to RFP DES 2025-14 Secondary Digester Number 1 Cleaning

Date: 3/6/2025

1. The due date for submission is changed to March 21, 2025 at 3:00 PM.

2. Executed Addendum #1 and the Modified Exhibit C shall be returned as part of the submission and become part of the final contract upon award.

3. The WRBP’s primary disposal site for biosolids is the NCES landfill in Bethlehem, NH. To assist contractors with disposal options, this disposal site may be willing to accept conforming, dewatered biosolids from this digester clean-out project. It is the sole responsibility of the contractor to abide by this location’s profile parameters, contracts, logistic and receiving restrictions and other requirements and to pay all transportation costs.

Such costs shall be included in the contractor’s costs on the modified Exhibit C (attached).

The WRBP will pay the per ton tipping fees directly to the NCES landfill based on verified weigh tickets.

4. The WRBP’s contingent disposal site for biosolids is the NEWSVT landfill in Coventry, VT. To assist contractors with disposal options, this disposal site may be willing to accept conforming, dewatered biosolids from this digester clean-out project. It is the sole responsibility of the contractor to abide by this location’s profile parameters, contracts, logistic and receiving restrictions and other requirements and to pay all transportation costs.

Such costs shall be included in the contractor’s costs on the modified Exhibit C (attached).

The WRBP will pay the per ton tipping fees directly to the NEWSVT landfill based on verified weigh tickets.

5. The contact for both Casella locations is Justin Iwen, Logistics Specialist at Justin.Iwen@casella.com or 603-219-1638 (cell).

6. Alternative, compliant disposal locations are allowed. Contractor is responsible for all transportation costs and disposal or other fees/costs to alternate locations.

7. The WRBP shall not be responsible for the trucks/containers and logistics for transport and disposal of materials off site, regardless of disposal location. The WRBP shall not be responsible for any project delays due to contractor logistics or disposal site limitations.

8. Coordination and permitting/permissions for off-site disposal for sludge/biosolids and rags/debris is the sole responsibility of the contractor.

9. Tonnage is estimated based on previous digester cleaning projects that ranged from 250 to 300 tons of sludge/biosolids. Contractor to be paid based on actual tonnage of sludge/biosolids transported and disposed (see modified Exhibit C) as verified by each load’s weigh slips from a certified scale.

10. Contractor is the responsible generator for all materials disposed off-site and completion of any and all required documentation, signatures, profiles, sampling and testing required for acceptance of generated mater at end disposal site(s).

11. Casella landfills require that the contractor, as generator, execute a Special Waste Profile Form for a One-Time Event (blank form attached for reference). Note that the check box for One Time Event in Section V must be checked. The WRP shall be the bill to address only for Casella, approved disposal locations. Note that the WRBP’s Casella profile CANNOT be used for final contractor-dewatered material disposal acceptance.

mailto:Justin.Iwen@casella.com

Initials _________ Date _________

12. The WRBP’s available analytical for their NH-SQC Class B biosolids (attached) are provided for reference. Contractor is responsible for waste characterization and approvals, and additional sampling and testing of their dewatered material including but not necessarily limited to % solids and Free Liquids (Paint Filter).

13. All costs associated with sampling, testing and material acceptance into the disposal site(s) are the sole responsibility of the contractor.

14. Contractor is responsible for correcting any nonconforming situations or rejection by a disposal site.

Attachment – modified Exhibit C “Costs and Terms of Payment”.

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 response.

This Addendum #1 and the modified Exhibit C shall be returned as part of the RFQ submission.

https://apps.das.nh.gov/bidscontracts/bids.aspx

EXHIBIT C

COST AND TERMS OF PAYMENT

Initials__________ Date___________

COST PROPOSAL:

Item 1. Exhibit B Scope excluding transport and disposal of dewatered sludge/biosolids, includes rag/debris transport and disposal $ _________________

Item 2. Dewatered Solids Transportation ($/ton; minimum 15 tons/load to WRBP landfills) $__________

Item 3. Dewatered Solids Disposal tipping fee ($/ton) – $0.00 to NCES and NEWSVT since WRBP pays landfill directly.

Item 3a. Dewatered Solids Disposal tipping fee:

Alternative location name ___________________ & tipping fee ($/Ton) $___________ (assume max. 300 tons for calculation below)

Item 4. Contingency ($/ton transport from Item 2.) + ($/ton tipping fee alternative location from Item 3a., if applicable) = $_________ + $__________ = $__________ (assume max. 50 tons for calculation below)

Contract Price Limitation:

Item 1. + (300 tons * Item 2.) + (300 tons * Item 3a.) + (50 tons * Item 4.) = $ ____________________

Item 1, 2, and 3 costs SHALL NOT include landfill tipping fees to the WRBP landfill disposal sites at NCES in Bethlehem, NH or NEWSVT in Coventry, VT. Those tipping fees will be paid directly to the landfill by the WRBP.

Above costs shall include all other scope items, including rag/debris transportation and disposal.

If alternative disposal site(s) are used, the above cost proposal shall include all scope items including sludge/biosolids disposal tipping fee costs.

TERMS OF PAYMENT:

The amount shown above under COST PROPOSAL Contract Price Limitation shall be paid as follows:

1) Ten percent (10%) of amount following mobilization on-site;

2) Eighty percent (80%) of amount following satisfactory completion of dewatering operation with verification of proper disposal off site; and

3) Ten percent (10%) of amount following satisfactory completion of digester rinse-down, demobilization, and clean-up of work area.

Contractor shall be paid for actual transportation and disposal fees based on weigh scale tonnage. Weight scales are available at the two WRBP disposal sites. Contractor to be paid within thirty (30) days of submission of invoice(s) and scale tickets, as shown above. Approval of the work does not authorize any expenditure over the contract price limitation.

Remit Invoices To:

NHDES-Water Division Attn: Anthony Durso 29 Hazen Drive, P.O. Box 95 Concord, NH 03302-0095

I (We) agree to furnish the services specified in EXHIBIT B at the costs shown above.

Company Name

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