Z--Lowell National Historical Park - REPLACE COOLING

Amendment / Modification

• This amendment (0002) to solicitation 140P4326R0020 is effective 05/07/2026.

• It modifies the contract/order as described in Item 14.

• The purpose of this amendment is to post RFIs 1-9.

• The proposal due date remains June 10, 2026, at 12:00 PM ET.

• The Period of Performance is from October 15, 2026, to September 30, 2027.

• RFIs 1-9 are being posted.

• The proposal due date has not changed and remains June 10, 2026, at 12:00 PM ET.

Questions & Answers / Clarifications

This document contains responses to a Request for Information (RFI) regarding the "Replace Cooling Tower #1, Condenser, Circulator Pumps, and Valves at Boott Cotton Mill #6" opportunity.

• Pump Identification and Specifications: Clarifies the specific pumps (Condenser Pump #5, Chilled Water Circulator Pump #1, and Option 1 Circulator Pump #6) and their GPM, Head, Manufacturer, Model, Motor HP, and other technical details based on provided drawings (Sheet M3) and existing documentation.
• Control Valves: Confirms there are no automatic control valves or motorized valves that isolate the pumps; only manual isolation valves are indicated.
• Contact Information: Provides contact information for Trane Controls (Tom Barone).
• Scope of Work Interpretation: Confirms the intention of the SOW is to "Replace-in-Kind" for cooling tower, pumps, valves, and piping, with VFDs to be replaced as specified. Equal substitutions are permissible with Contracting Officer preapproval.
• Schedule and Drawing Usage: Clarifies that the schedules and drawings in the package are for explaining component locations and original design information, not necessarily current contract requirements. Equipment sizes, pipe sizes, valve sizes, and electrical requirements should match existing or be compatible.
• Cooling Tower and Pump Matching: Confirms that replacement cooling tower and pumps should be "Replace-in-Kind" (e.g., VTL-171-L for the cooling tower) or preapproved equals, meeting specific capacity, footprint, weight, connection, electrical, and control requirements, and adhering to structural height and weight limits.

This RFI response clarifies equipment specifications, scope of work interpretation, and submission requirements, which may impact how bidders prepare their proposals and select equipment.

Form / Attachment / Pricing Sheet

This document is a sign-in sheet, likely from a pre-proposal conference, industry day, or similar event related to a SAM.gov opportunity. It records the attendance of individuals representing various organizations.

• Name: The name of the attendee.
• Organization: The company or entity the attendee represents.
• Phone: The contact phone number for the attendee.
• E-Mail: The contact email address for the attendee.
• Signature: The attendee's signature.

This sign-in sheet can be relevant to bidders as it may indicate which organizations are interested in the opportunity. The contact information provided could be used for networking or to identify potential partners or competitors. It also serves as a record of who attended a specific event, which might be important for understanding the context of subsequent communications or amendments.

Amendment / Modification

This amendment (0001) to solicitation 140P4326R0020, originally dated 04/28/2026, makes the following updates:

• Posts the Site Visit Sign-In Sheets for the site visit conducted on 5/6/2026.

• Extends the proposal due date to 6/10/2026 at 12:00 PM ET.

• The proposal due date has been modified.

• The proposal due date is extended to 6/10/2026 at 12:00 PM ET.

• The Period of Performance remains 10/15/2026 to 09/30/2027.

• The amendment also references the replacement of cooling tower #1232, one condensate pump, and two condensing pumps (PMIS 337427).

Form / Attachment / Pricing Sheet

This document is a sign-in sheet for a pre-bid site visit held on 05/6/2026 at 1:00 pm EDT. The visit pertained to the "Replace Cooling Tower #1, Condenser and Circulator Pumps, and Valves at Boott Cotton Mill #6" opportunity, identified by PMIS NO. 337427 A & C, located at Boott Mill # 6, 115 John St., Lowell, MA 01852.

The sheet records attendee names, organizations, phone numbers, and email addresses.

This document indicates which organizations and individuals attended the pre-bid site visit. This information can be useful for understanding potential competition and for networking purposes.

Statement of Work (SOW) / Performance Work Statement (PWS)

This document outlines the scope of work for the replacement of cooling tower #1, condenser and circulator pumps, and associated valves at the Boott Cotton Mill #6, located in downtown Lowell, MA.

• Cooling Tower Replacement: Removal of the existing rooftop cooling tower (PMIS 337427A) via crane and installation of a new low-rise cooling tower on vibration rails. This involves making piping connections at the roof level and replacing degraded valves.

• Pump Replacement: Replacement of one 384 gpm 90' head condenser pump and one 500 gpm 70' head circulatory pump (PMIS 337427C). This includes adding variable frequency drives to the pumps.

• Valve and Piping Replacement: Replacement of degraded valves (4 two-way control valves, 16 ball valves, 1 automatic control valve, 4 butterfly valves) and approximately 16 linear feet of pipe and necessary connections.

• System Integration: Programming the new cooling tower and pumps to the Trane Building Management System.

• Electrical Work: Installation of any new conduit and wiring required.

• Circulatory Pump Replacement: Replacement of one circulatory pump in the adjacent building basement mechanical room.

• Includes: Adding a variable frequency drive, replacing 2 two-way control valves, 8 ball valves, 1 automatic control valve, 2 butterfly valves, approximately 8 linear feet of pipe and connections, and mounting on a vibration spring system.

• System Integration: Programming the pump to the Trane Building Management System.

• Electrical Work: Installation of any new conduit and wiring.

• The work is located at the Boott Cotton Mill #6, fifth floor roof and basement mechanical room, in downtown Lowell, MA.

• Refer to the Contract Specifications and Plans for complete details on scope, electrical work, and system integration.

Form / Attachment / Pricing Sheet

This document provides information regarding Construction Contract Administration, specifically referencing the Federal Acquisition Regulation (FAR) 36.211(b). It outlines the requirement for agencies to describe policies and procedures related to the definitization of equitable adjustments for change orders under construction contracts.

• References FAR 36.211(b).
• States the requirement for agencies to provide descriptions of policies and procedures for definitizing equitable adjustments for change orders.
• Mentions the need for data on the time required to definitize these adjustments.
• Provides a URL for further information: https://www.doi.gov/pam/acquisition/policy/constructioncontract.

This document informs bidders about the regulatory requirements governing contract administration, particularly concerning change orders and equitable adjustments in construction contracts. It directs bidders to a specific resource for detailed policies and procedures, which may be relevant for understanding contract management and potential modifications.

Form / Attachment / Pricing Sheet

This document is a Davis-Bacon Wage Determination for building construction projects in Massachusetts. It specifies the prevailing wage rates and fringe benefits for various labor categories in different counties.

• General Decision Number: MA20260001
• State: Massachusetts
• Construction Type: Building (excluding single-family homes and apartments up to 4 stories)
• Counties Covered: Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket, Norfolk, and Suffolk.
• Labor Categories: Includes rates for Insulator/asbestos worker, Hazardous Material Handler, Boilermaker, Bricklayer, Cement Mason, Plasterer, Marble & Tile Finisher/Workers, Terrazzo Finisher, Piledriverman, Carpenter, Millwright, Floor Layer (Carpet), Electrician, Teledata System Installer, Elevator Mechanic, Power Equipment Operators, Ironworker, Laborer (Heavy Construction, Wrecking), Glazier, Painter, Cement Mason/Concrete Finisher, Plasterer, Plumber, Pipefitter, Sprinkler Fitter, Sheet Metal Worker, and Truck Drivers.
• Rates and Fringes: Specific hourly rates and fringe benefits are listed for each classification, often varying by county or specific area within counties.

This document is crucial for bidders to understand the labor costs associated with the construction opportunity. It ensures compliance with federal labor laws by requiring contractors to pay the specified prevailing wages and fringe benefits to laborers and mechanics employed on the project. Bidders must factor these wage rates into their cost proposals to ensure competitiveness and compliance.

Specifications / Project Specifications

This document outlines the project specifications for the "Replace Cooling Tower #1, Condenser and Circulator Pumps, and Valves at Boott Cotton Mill #6" project at Lowell National Historical Park. It details the scope of work, general requirements, existing conditions, HVAC, electrical, and other related specifications.

• Replacement of Cooling Tower #1 on the roof of Boott Cotton Mill #6, including new vibration rails and EPDM roof work.

• Replacement of one 384 gpm 90' head condenser pump and two 500 gpm 70' head circulator pumps connected to Chiller #1.

• Replacement of approximately 24 ball valves, flexible joints, 1 automatic control valve, 4 butterfly valves, and approximately 16 lf of pipe and connections.

• Electrical work includes new conduit and wiring for new motors.

• Option to replace one circulatory pump in the adjacent building basement mechanical room, including a variable frequency drive.

• The project will be constructed under a single prime contract.

• Work phases are defined, with demolition and installation occurring in sequence.

• Not applicable to this document; this is a specifications document.

• Not specified in this document.

• The document includes detailed specifications for HVAC, electrical, demolition, construction waste management, quality requirements, submittals, safety, temporary facilities, product requirements, cutting and patching, execution, operation and maintenance data, and reference standards.

• Drawings are referenced for specific details and locations.

Solicitation / RFP / RFQ

This Request for Proposal (RFP) is for a construction requirement at Lowell National Historical Park, Massachusetts. The project involves replacing cooling tower #1, a condenser pump, and two circulatory pumps that connect to the cooling tower and circulate water through the building. This requirement is being solicited as a Small Business Set Aside. The estimated magnitude of the complete requirement is between $250,000.00 and $500,000.00.

• Replacement of cooling tower #1.

• Replacement of one condensate pump.

• Replacement of two circulatory pumps.

• Replacement of associated cutoff valves.

• Detailed specifications are provided in Attachment 2.

• Contract Type: Firm Fixed Price.

• Period of Performance: 10/15/2026 to 09/30/2027.

• Performance Period: 350 calendar days after Notice to Proceed.

• Estimated Magnitude: $250,000.00 - $500,000.00.

• Proposal Submission Deadline: June 10, 2026, by 12:00 PM local time.

• Proposals must be submitted via email to Samuel_McKenzie@ios.doi.gov.

• Evaluation will be conducted using the Best Value Continuum Tradeoff Process.

• Key evaluation factors include Technical Approach, Project Experience, Training, and Price.

• A site visit is scheduled for May 6, 2026, at 1:00 PM ET at 115 John St, Lowell, MA.

• This requirement is a Small Business Set Aside.

• Attachments include Scope of Work, Specifications, Davis Bacon Wage Determination, and Construction Contract Administration Provision.