Z--Lowell National Historical Park; Rehabilitate Bath

Amendment / Modification

This amendment addresses two vendor inquiries and announces a second site visit.

• RFI 10: The government has posted site visit sign-in sheets, which were requested.
• RFI 11: Drawing M2 was intentionally redacted from the SOW and specifications as it is not part of the current requirement.

This amendment provides responses to RFIs and announces a new site visit date.

A second site visit has been scheduled for Thursday, June 4, 2026, at 9:00 am EDT.

Amendment / Modification

This amendment (0003) provides answers to RFIs 10-11.

• A second site visit will be held on Thursday, June 4, 2026, at 9:00 AM EDT. The meeting location is the Mogan Cultural Center, Lowell National Historical Park, 40 French St, Lowell, MA 01852.

• The proposal due date remains Thursday, June 11, 2026, at 11:00 AM EDT.

Form / Attachment / Pricing Sheet

This document is an attendance record for a site visit related to Solicitation No. 140P4326R0014 for the Lowe Rehab Mogan Bathrooms project at Lowell National Historical Park. The site visit occurred on May 20, 2026, from 11 am to 12 pm at MCC French Street, Lowell, MA.

• Lists companies that attended the site visit.
• Includes fields for Company Name, Address, Telephone, Signature, Printed Name, Title, and Email for each attendee.

This record indicates which potential bidders were present at the mandatory or optional site visit. This information can be useful for understanding the competitive landscape and identifying other interested parties.

Amendment / Modification

This amendment addresses several vendor inquiries and provides clarifications for Solicitation 140P4326R0014.

• Specification Section 102113 (SOLID PLASTIC TOILET COMPARTMENTS): This section, which was previously missing, is now attached. It includes details on acceptable manufacturers and approved equals for toilet partitions.

• Toilet Partition Basis of Design: The originally specified Bradley, Series 400 Sentinel partitions have been discontinued. The amendment clarifies that an equal product is acceptable, and bidders should refer to Specification Section 102113 for other acceptable manufacturers or approved equals by the COR/CO.

• CMU Wall Details: Details for the existing 4” CMU wall (Partition Type 12 from the 1985 addition) are provided, including its construction and a total wall thickness of 1’-10”. Specification Section 04 20 00 CONCRETE UNIT MASONRY is also attached.

• Existing Controls Vendor: The government requires a clearer, more specific question regarding the "existing controls" to provide a response.

• Liquidated Damages: There are no liquidated damages associated with this project.

• Site Visit Sign-in Sheet: The site visit sign-in sheets will not be posted for this RFP.

• Specification Section 102113 (SOLID PLASTIC TOILET COMPARTMENTS) is attached.

• Specification Section 04 20 00 CONCRETE UNIT MASONRY is attached.

• Exhibit B (Partition Type 12 excerpt) is attached.

No changes to proposal deadlines or submission requirements are indicated in this amendment. Bidders should review the attached specifications and details for compliance.

Forms / Attachments / Pricing Sheets

This document contains the Table of Contents for the "REHABILITATE PARKWIDE BATHROOMS" project at Lowell National Historical Park. It outlines the various divisions and sections of the project specifications.

• Division 01 - General Requirements: Covers administrative and procedural aspects of the contract.
• Division 02 - Concrete: Includes selective demolition.
• Division 04 - Masonry: Details concrete unit masonry requirements.
• Division 05 - Metals: Pertains to metal fabrications.
• Division 06 - Woods, Plastics, and Composites: Includes rough carpentry.
• Division 07 - Thermal and Moisture Protection: Covers joint sealants.
• Division 08 - Openings: Details requirements for hollow metal doors and frames, sliding wood doors and aluminum frames, flush wood doors, access doors and frames, door hardware, and glazing film.

This Table of Contents provides a high-level overview of the project's scope and the different specification sections that bidders will need to review for detailed requirements. It helps bidders understand the breadth of work involved and identify specific areas of interest or expertise.

Amendment / Modification

This document is Amendment 0002 to Solicitation 140P4326R0014. It provides answers to RFIs (Requests for Information) numbered 4 through 9.

This amendment modifies the solicitation by providing responses to vendor inquiries.

Bidders should review the answers to RFIs 4-9 to ensure their proposals accurately address all requirements. The effective date of this amendment is May 11, 2026.

Amendment / Modification

This document is Amendment 0001 to Solicitation 140P4326R0014. It extends the hour and date specified for the receipt of offers.

• Item 11: This item only applies to amendments of solicitations. The amendment extends the hour and date specified for receipt of offers.

• The deadline for offer submission has been extended. Offerors must acknowledge receipt of this amendment prior to the new hour and date specified. Failure to do so may result in rejection of the offer. Changes to offers already submitted are permitted via letter or electronic communication, provided they reference the solicitation and amendment and are received prior to the new opening hour and date.

Forms / Attachments / Pricing Sheets

This document contains construction drawings for the Lowell National Historical Park, specifically focusing on the rehabilitation of park-wide bathrooms. It includes various sheets detailing architectural, mechanical, plumbing, fire protection, and electrical plans, as well as legends, schedules, and demolition plans.

• Architectural Drawings (A-series): Cover sheets, general notes, legends, demolition plans, partition types, door/frame types, and interior finishes, accessory, and fixture details.
• Mechanical Drawings (M-series): General notes, legends, demolition plans, and new mechanical plans for various areas including the Mogan Cultural Center.
• Plumbing Drawings (P-series): General notes, legends, demolition plans, and new plumbing plans for various areas.
• Fire Protection Drawings (F-series): General notes, legends, demolition plans, and new fire protection plans.
• Electrical Drawings (E-series): Legends, abbreviations, demolition plans, and new electrical plans, including lighting and power distribution.
• Schedules and Diagrams (E8, E9): Equipment power schedules, luminaire schedules, and transformer relocation diagrams.

These drawings provide detailed specifications and layouts for the rehabilitation of park bathrooms. Bidders will need to consult these drawings to understand the scope of work, materials, installation requirements, and existing conditions for all trades involved in the construction project. The demolition plans indicate areas and systems to be removed, while the new plans detail the proposed installations and modifications.

Amendment / Modification

This amendment addresses vendor questions and clarifies the scope of Solicitation 140P4326R0014.

• Clarification on Scope: The "Boott Transformer Relocation" is explicitly deleted and is not part of this solicitation. The solicitation is solely for the "Rehab Mogan Cultural Center bathrooms."

• RFI Responses: The government has responded to RFIs 1-6, clarifying that questions pertaining to the Boott Cotton Mills are outside the scope of this procurement.

• Request for Resubmission: Vendors are instructed to resubmit questions regarding the Rehab Mogan Bathrooms with specific spec or drawing references if applicable.

• The scope of work has been narrowed to exclude the "Boott Transformer Relocation."

• No changes to proposal deadlines or submission requirements are indicated, but bidders should ensure their proposals strictly adhere to the clarified scope focusing only on the Rehab Mogan Cultural Center bathrooms.

Other / Unclassified

This document provides information regarding Construction Contract Administration. It references the Federal Acquisition Regulation (FAR) 36.211(b), which mandates that agencies describe their policies and procedures for the definitization of equitable adjustments for change orders under construction contracts. It also requires data on the time needed to finalize these adjustments.

This information is relevant to bidders as it outlines regulatory requirements for contract administration, specifically concerning change orders and equitable adjustments in construction contracts. Bidders may find it useful to understand these procedures, which are further detailed at the provided URL: https://www.doi.gov/pam/acquisition/policy/constructioncontract.

Other / Unclassified

This document is a General Decision Number (GDN) for wage rates in Massachusetts, specifically for building construction projects. It lists prevailing wage rates and fringe benefits for various trades across different counties and regions within the state. The document is dated January 2, 2026, with some rates effective from various dates in 2024 and 2025.

This document is crucial for any bidder on a construction project in Massachusetts that is subject to the Davis-Bacon Act or similar prevailing wage laws. It provides the legally mandated minimum wage rates and fringe benefits that must be paid to laborers and mechanics employed on the project. Bidders must use these rates to accurately calculate their labor costs when preparing their proposals and ensure compliance during contract performance. The document details rates for trades such as:

• Insulator/asbestos worker
• Boilermaker
• Bricklayer, Cement Mason, Plasterer
• Marble & Tile Finisher/Workers
• Terrazzo Finisher
• Carpenter
• Millwright
• Floor Layer (Carpet)
• Electrician
• Teledata System Installer
• Elevator Mechanic
• Power equipment operators
• Ironworker
• Laborer (Heavy Construction, Wrecking, Asbestos Abatement, Toxic and Hazardous Waste)
• Glazier
• Painter
• Plumber and Pipefitter
• Roofers
• Sprinkler Fitter
• Sheet metal worker
• Truck drivers
• Welders

It also includes footnotes regarding paid holidays, paid vacation, and specific executive orders related to paid sick leave and minimum wage requirements for federal contractors.

Solicitation / RFP / RFQ

This solicitation is a Request for Proposal (RFP) for construction services to renovate and remodel bathrooms at the Morgan Cultural Center, located at Lowell National Historical Park in Lowell, MA. The project aims to modernize existing restroom facilities to comply with applicable building, plumbing, mechanical, electrical codes, and ABA Accessibility Standards (ABAAS). The work includes selective demolition and new construction.

• Renovation and remodeling of bathrooms on the 1st and 2nd floors of the Morgan Cultural Center.

• Compliance with building, plumbing, mechanical, and electrical codes.

• Adherence to ABA Accessibility Standards (ABAAS).

• Selective demolition and new construction.

• Detailed specifications and drawings are provided.

• Estimated magnitude of the complete requirement: between $500,000 and $1,000,000.

• Contract type: Firm Fixed Price.

• Period of Performance: 200 calendar days from Notice to Proceed.

• Commencement of work: within 14 calendar days after receiving Notice to Proceed.

• Proposal submission deadline: June 11, 2026, at 11:00 AM local time.

• Proposals must be submitted via email.

• Evaluation will be based on a Best Value Continuum Tradeoff Process, considering technical factors (Technical Approach, Project Experience, Management Experience, Past Performance) and Price. Technical factors 1-4 are of equal importance, and combined, are approximately equally important to price.

• A site visit is scheduled for May 20, 2026, at 11:00 AM EDT at the Mogan Cultural Center.

• NAICS code: 237990 (Other Heavy and Civil Engineering Construction).

• Small business size standard: $45M.

• The solicitation includes clauses related to small business concerns, including "Limitations on Subcontracting."

• Detailed specifications and drawings are attached.

• Offerors are required to submit pricing in the format indicated in Section B, "Labor Category and Rate Pricing Table."

Form / Attachment / Pricing Sheet

This document is a template for reporting on the Limitation on Subcontracting (LOS) requirements for government contracts. It is designed to be filled out by the prime contractor to report on subcontracting activities during specific performance periods.

• Contract Information: Fields for Contract Number (PIID), Type of Set-Aside, and Total Contract Value/Ceiling.
• Performance Period: Dates for which the report is being submitted.
• Subcontractor Payments: Sections to detail amounts paid to Similarly Situated Subcontractors (SSS) and Non-Similarly Situated Subcontractors (NSS).
• Limitation on Subcontracting Percentage Calculation: A formula is provided to calculate the percentage of work performed by the prime contractor relative to total contract value, excluding payments to NSS.

This template is crucial for bidders to understand the reporting requirements related to subcontracting limitations. While this is a template, it indicates that the prime contractor will be required to track and report on their adherence to subcontracting goals, which may be a factor in contract performance and compliance. Bidders should be aware of these requirements when developing their proposals and understanding their own subcontracting plans.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire (PPQ) provided by the Department of the Interior. Its purpose is to gather feedback from contractors or customers regarding a company's past performance on a specific project. This information is used as source selection information for future contract awards.

• Firm Information: Fields to record Project Title, Location, Company Name, Contract Number, Description, Start Date, Completion Date, Initial Amount, and Final Amount.
• Evaluator Information: Fields for Evaluator Name, Company/Agency Name, Address, POC Email, and the Evaluator's Position or Function in relation to the project.
• Ratings Overview: A rating scale from 'O' (Outstanding) to 'U' (Unacceptable) with descriptions for each level.
• Questionnaire: Specific questions covering:
  1. Relationship with the client/customer team.
  2. Overall corporate management, integrity, and cooperative conduct.
  3. Quality control.
  4. Ability to meet the performance schedule.
  5. Any cure notices, show cause letters, reprimands, suspension of payment, or terminations.
  6. Likelihood of awarding another contract.
  7. Customer satisfaction with final product/services.
  8. Opportunity for the firm to discuss negative comments.
• Comments and Signatures: Sections for overall rating, general comments, and signature of the evaluator.

Bidders should be aware that this questionnaire may be sent to their past clients. The responses will directly impact the evaluation of their past performance, which is a critical factor in source selection. Understanding the questions asked will help bidders anticipate the type of feedback that may be solicited and ensure they have provided satisfactory performance on previous contracts.

Form / Attachment / Pricing Sheet

This document provides the "PROJECT SPECIFICATIONS" for the "Rehabilitate Parkwide Bathrooms" project at Lowell National Historical Park. It details the project's scope, contract modifications, construction schedule, safety requirements, quality requirements, reference standards, and various other administrative and procedural requirements for the project.

• Project Location: Lowell National Historical Park, Lowell, MA 01852.
• Work Scope: Bathroom renovations in three buildings at Lowell National Historical Park, including rehabilitation and modernization to comply with applicable building, plumbing, mechanical, electrical codes, and ABA Accessibility Standards.
• Specific Buildings: Mogan Cultural Center (2nd and 3rd floors), and Visitor Center (1st and 2nd floors).
• Demolition: Existing construction will be demolished per Contract Documents.
• Construction: New construction includes electrical, plumbing, mechanical, fire protection, and general construction.
• Contract Type: Project will be constructed under ONE prime contract.
• Key Sections: Includes Summary of Work, Contract Modification Procedures, Definition of Contract Line Items, Project Management and Coordination, Construction Schedule, Photo Documentation, Submittal Procedures, Safety Requirements, Quality Requirements, Reference Standards, Temporary Facilities and Controls, Noise and Acoustics Management, Product Requirements, Cutting and Patching, Construction Waste Management and Disposal, Closeout Procedures, Operation and Maintenance Data, and Demonstration and Training.

This document outlines the comprehensive technical specifications and requirements for the "Rehabilitate Parkwide Bathrooms" project. Bidders must review these specifications to understand the full scope of work, including detailed requirements for materials, installation, safety, quality control, and project management. This document is crucial for developing an accurate proposal and ensuring compliance with all contractual obligations.

Form / Attachment / Pricing Sheet

This document is a "Justification for Brand Name Products" which provides the rationale for limiting competition to specific brand name products for the "Rehabilitate Mogan Bathrooms" project (Project LOWE 350067).

• Description of Action: Solicitation for rehabilitation of restrooms in the Mogan Cultural Center, Lowell, MA, requiring specific brand name products.
• Supplies/Services: LAVATORY SINK, Bradley Model VERGE LVQD1-WB2 with Integrated Washbar, faucet, soap dispenser, and dryer for hands-free accessibility, compliant with ABAAS.
• Authority: Justification is based on FAR Part 11.105 and FAR 6.302-1, citing that brand name products are essential and other similar products do not meet agency needs.
• Unique Qualifications: The specified sink units are already installed in other park facilities (Visitor Center and Counting House) to meet accessibility needs and codes.
• Market Research: Research indicates similar products are of lesser quality or would not be cost-efficient for long-term maintenance.
• Competition: The solicitation will be issued as a Total Small Business Set-Aside. Pre-solicitation notices will be posted on SAM.gov.
• Costs: Class A estimates for a similar project were approximately $7,636, with additional research showing the product sold commercially for just over $8,000.00.
• Interested Sources: Total Restroom.com, Sustainable Supply.com, and Bradley Corporation distributors.

This document explains why the upcoming solicitation will likely be limited to specific brand name products, which may impact the types of products bidders can propose or the competitive landscape. It highlights that the project is part of a larger rehabilitation effort and that the specific product is required for consistency with existing park facilities and accessibility standards.

Form / Attachment / Pricing Sheet

This document is a Justification for Brand Name Products, used to support limiting competition for the "Rehabilitate Mogan Bathrooms" project (Project: LOWE 350067) at the Mogan Cultural Center in Lowell, MA. It explains why a specific brand name product, Duraflex (Hybri-Flex EQ), is essential for the project.

• Product: Duraflex Hybri-Flex EQ (self-leveling broadcast quartz, epoxy/aliphatic urethane topcoat seamless flooring system).
• Reason for Brand Name: The Duraflex product has been previously installed in other buildings within the Lowell National Historical Park and has demonstrated durability and value. It is considered peculiar to one manufacturer, and other similar products do not meet the agency's needs.
• Authority: Cites FAR Part 11.105 and FAR 6.302-1 for brand name justifications.
• Market Research: Indicates that research was conducted to find alternative manufacturers, but none were found that could compete with the Duraflex product.
• Competition: The solicitation will be issued as a Total Small Business Set-Aside, and ongoing market research will be conducted for future acquisitions.
• Cost: Previous estimates for similar flooring were $25.00/sf.

This document explains the rationale behind specifying a particular brand name product for the flooring in the restroom rehabilitation project. Bidders should note that the solicitation will likely be restricted to this specific product, and understanding its unique qualifications is key to assessing the opportunity's relevance.

Form / Attachment / Pricing Sheet

This document is a "Justification for Brand Name Products" which provides approval for limiting competition to specific brand name products for the rehabilitation of restrooms in the Mogan Cultural Center, Lowell, MA. It explains why only certain products meet the agency's requirements.

• Project: LOWE 350067 Rehabilitate Mogan Bathrooms
• Agency: National Park Service (NPS)
• Product: Koala Kare KB310-SSWM / KB311-SSWM Surface Mounted Baby Changing Station.
• Justification: The NPS requires these specific brand name products because they are peculiar to one manufacturer and are essential to meet existing accessibility needs and codes, having been previously installed in other park facilities.
• Authority: Cites FAR Part 11.105 and FAR 6.302-1.
• Market Research: Indicates that while similar products exist, they are of lesser quality or require different janitorial supplies, making them less cost-efficient over time.
• Interested Sources: WebstaurantStore, Katom, Island Supply Inc.
• Competition: The solicitation will be issued on sam.gov and will be a Total Small Business Set-Aside. NPS will continue market research for future acquisitions.

This document explains the rationale for specifying brand-name products in the upcoming solicitation for the Mogan Bathrooms rehabilitation. Bidders should note that the solicitation will likely focus on the specified Koala Kare products due to this justification. It also outlines efforts to ensure competition and lists potential sources.

Form / Attachment / Pricing Sheet

This document contains construction drawings and details for the "Rehabilitate Parkwide Bathrooms" project at Lowell National Historical Park. It includes various sheets detailing architectural, mechanical, plumbing, fire protection, and electrical systems, as well as legends, schedules, and specific installation details.

• Architectural Drawings (A-Sheets): Cover sheet, general notes, legends, demolition plans, reflected ceiling plans (RCP), interior elevations, partition types, door types, frame types, and accessory/fixture mounting locations.
• Mechanical Drawings (M-Sheets): General notes, legends, demolition plans, and new mechanical plans for various areas.
• Plumbing Drawings (P-Sheets): General notes, legends, demolition plans, and new plumbing plans, including fixture schedules.
• Fire Protection Drawings (F-Sheets): General notes, legends, demolition plans, and new fire protection plans.
• Electrical Drawings (E-Sheets): Legend, abbreviations, demolition plans, new plans, and schedules for electrical equipment and lighting.
• Schedules & Diagrams (E8, E9): HVAC equipment power schedule, architectural equipment power schedule, luminaire schedule, plumbing equipment power schedule, and transformer relocation diagrams.

These drawings are critical for bidders to understand the full scope of work for the "Rehabilitate Parkwide Bathrooms" project. They provide detailed information on existing conditions, demolition requirements, new installations, material specifications, and specific design intent for all building systems. Bidders must review these drawings thoroughly to accurately estimate costs, develop a project schedule, and ensure compliance with all technical requirements.

Solicitation / RFP / RFQ

The National Park Service, Northeast Region, ConOps East, BOST MABO, intends to issue a Request for Proposal (RFP) for construction services to renovate bathrooms in one building at the Lowell National Historical Park. The project aims to rehabilitate and modernize existing restroom facilities to comply with applicable building codes, plumbing, mechanical, electrical codes, and ABA Accessibility Standards (ABAAS).

• Selective demolition of existing restroom facilities.

• New construction including electrical, plumbing, mechanical, and fire protection systems.

• General construction work as per contract documents.

• Renovation of Men's and Women's restrooms on the 2nd and 3rd floors of the Mogan Cultural Center (40 French Street, Lowell, MA).

• Each restroom is approximately 140 SF; total project GSF is approximately 560 SF.

• A detailed Statement of Work and specifications will be provided with the final solicitation.

• Solicitation Number: 140P4326R0014

• Project Magnitude: Between $500,000 and $1,000,000

• Type of Contract: Firm-fixed price

• Wage Rates: Federal Construction Wage Rates for Middlesex County, Massachusetts will apply.

• Publicizing Date: The official solicitation (RFP) and attachments will be issued on or about 05/12/2026.

• Posting Location: https://sam.gov/content/opportunities

• Site Visit: Date, time, and location to be announced in the solicitation. Offerors are highly encouraged to attend.

• NAICS Code: 236220 Commercial Building Construction (Size Standard: $45 million)

• Set-Aside: 100% for Small Businesses.

• Offerors must have a Unique Entity ID (UEI).

• Must be registered and active in the System for Award Management (SAM) at http://www.sam.gov.

• Must have completed Online Representations and Certifications.

• Mari Tolleson, Contracting Officer, mari_tolleson@ios.doi.gov