Roll Up door Maintenance & Repair Services

Questions & Answers / Clarifications

This document provides the government's responses to questions submitted by potential bidders regarding Solicitation Number 1333ND26QNB610122 for Roll Up Door Maintenance & Repair Services.

• Aerial Lifts, Scaffolding, and Fall Protection: The contractor is responsible for providing all necessary aerial lifts, scaffolding, and fall protection equipment. The government (NIST) will not provide on-site access to such equipment.
• Not-to-Exceed (NTE) Limit Exceedance: If a repair estimate exceeds the $10,000 annual NTE for labor and materials, the contractor must submit the estimate with justification. NIST will review and determine whether to proceed. If approved, additional funding will be secured, and a bilateral change order modification will be processed.
• Remote Operation Responsibility: The contractor's responsibility for 'remote operation' includes troubleshooting door indication and control circuits within the Control Room. There is no software involved in the door control system.

These clarifications do not appear to alter any requirements, due dates, or submission rules as presented in the original solicitation. Bidders should incorporate this information into their understanding of the requirements, particularly regarding equipment provision and the process for handling potential NTE exceedances.

Form / Attachment / Pricing Sheet

This document is an "As Built Drawing" for a 3-cell mechanical draft hybrid wood cooling tower for the NIST Research Reactor Project. It provides detailed architectural and engineering plans for the cooling tower structure.

• Plan view and elevation views of the cooling tower.
• Dimensions and elevations for various components including fans, motors, access ladders, walkways, and basin.
• Details on piping, access stairs, and lightning protection systems.
• Revision history indicating changes made to the design.

This drawing is crucial for bidders to understand the physical specifications, dimensions, and layout of the cooling tower. It informs potential contractors about the existing infrastructure and any modifications made, which is essential for planning and executing any related work, such as installation, maintenance, or integration with other systems.

Form / Attachment / Pricing Sheet

This document is a "TYPICAL ROLLER DOOR SCHEMATIC" (Drawing E05, Revision 3) which details the electrical connections and terminal points for motor starters and associated components for roller doors. It serves as a schematic diagram for the electrical interface of these components.

• Terminal Points: Lists specific terminal designations (e.g., T301, T311, T501) for various functions such as "CLOSE COMMAND," "OPEN COMMAND," "COMMAND RETURN," "OPEN LIMIT SWITCH," "CLOSED LIMIT SWITCH," and "PROXIMITY SW 120VAC."
• Component Key: Identifies key components including "MOTOR STARTER," "460V MOTOR," "LOCAL CONTROL STATION," "REMOTE CONTROL," and "TERMINAL BOX."
• Schematic Diagram: Visually represents the wiring and connections between these components.
• Revision History: Includes a record of revisions with dates, descriptions, and approvers.

This schematic is crucial for bidders involved in the electrical or mechanical aspects of the "3 CELL MECHANICAL DRAFT HYBRID WOOD COOLING TOWER FOR NIST RESEARCH REACTOR PROJECT." It provides the detailed electrical interface requirements for the roller doors, which bidders must understand to ensure proper integration, installation, and functionality of the specified equipment. Bidders should use this to verify compatibility with their proposed systems and to accurately estimate wiring and control requirements.

Form / Attachment / Pricing Sheet

This document contains the instrumentation and control schematics for the dry doors of Cooling Tower Cells #1, #2, and #3. It details the electrical wiring, motor control boxes, local control stations, and limit switch configurations for each door.

• Motor Control Boxes: Schematics for starter assemblies, brake solenoids, and motor units for both 460V and 240V systems.
• Local Control Stations: Wiring diagrams for 'Open', 'Close', and 'Manual Hoist' buttons.
• Limit Switches: Details on open and closed limit switches, including magnetic proximity switches (OL/S-3).
• Interlocks: Schematics for manual hoist interlocks and edge switches.
• Wiring: Cable designations and terminal block connections (TBM, TBN) to control systems (e.g., PAC2).
• Revisions: A log of changes made to the drawings, including ECN numbers and dates.

This document is crucial for bidders to understand the existing or proposed control system architecture for the dry doors. It provides detailed technical specifications for electrical components, wiring, and control logic, which will be essential for any vendor proposing to work on or replace these systems. Bidders should review this to assess compatibility, integration requirements, and the complexity of the installation or maintenance.

Form / Attachment / Pricing Sheet

This document is an "AS BUILT DRAWING" for a "3 CELL MECHANICAL DRAFT HYBRID WOOD COOLING TOWER". It appears to be a schematic plan related to the NIST Research Reactor Project, under NIST No. 52SBN9C1028 and BDT Contract No. CT-1047/PJ22.

• The drawing displays a schematic plan of three cooling tower cells (Cell No. 1, Cell No. 2, Cell No. 3).
• It indicates various pipe sizes, including 14" inlets and 10" and 6" sections, as well as a 12" bypass pipe.
• A "PLANT NORTH" indicator is present.
• Revision history is included, noting changes to the bypass pipe diameter and a total revision in 12/07/01.

This drawing provides specific technical details about the existing cooling tower infrastructure. Bidders responding to an opportunity related to this project should use this drawing to understand the current configuration, dimensions, and piping of the cooling tower system. This information is crucial for accurately assessing the scope of work, developing technical proposals, and estimating costs for any related maintenance, repair, or upgrade activities.

Form / Attachment / Pricing Sheet

This document provides detailed mounting and adjustment instructions for a magnetic proximity limit switch system intended for a cooling tower rolling door. It serves as a technical drawing and guide for installation and configuration.

• Diagrams: Illustrates the placement of the magnetic proximity limit switch and magnet on both the west and east side rolling doors, as well as a cross-section view (Section AA).
• Mounting Detail: Shows a close-up of the limit switch mounting on the door slat.
• Notes: Provides critical installation and adjustment guidance:
  1. Switch placement: Not less than 2.5 inches from the top of the door channel for safety.
  2. Magnet placement: On the third door slat, with adjustments for safety margin and proximity to the sensor.
  3. Up limit switch adjustment: To stop motor drive approximately 4 inches above magnetic switch activation.
  4. Down limit switch adjustment: To keep the door open 2-3 inches from the bottom to prevent freezing.

This document is crucial for bidders to understand the specific technical requirements and installation details for the limit switch system associated with the cooling tower rolling door. It informs potential installation, configuration, and any associated maintenance or operational considerations. Bidders should review these details to ensure their proposed solution or understanding of the opportunity aligns with these specifications.

Form / Attachment / Pricing Sheet

This document contains engineering drawings and schematics for "Door Track Heaters" related to the "NIST 3 CELL HYBRID COOLING TWR" project. It provides detailed design information for the heaters, including plan views, elevations, schematics, and assembly instructions.

• Plan View (Dwgs 2180-0X): Illustrates the layout of the door track heater, including dimensions, materials (corrugated siding, anodized aluminum, silicon heater), and thermostat housing.
• Elevation (Dwgs 2180-02): Shows the heater in relation to the door, siding, and basin wall, indicating the terminal box and thermostat placement.
• Schematic (Dwgs 2180-03): Details the electrical circuit for the heater, including voltage, wattage, thermostat settings, and connections to the new heater circuit and existing terminal box.
• Heater Design (Dwgs 2180-06): Provides a detailed view of the silicon heater (120VAC 225W, 3"W X 15"L) and the anodized aluminum "L" bracket (3.5"x1.25"x15.75"), including notes on mounting and RTV application.
• Heater Cover (Dwgs 2180-07): Details the fabrication of the heater cover from an "L" channel, including cutting, slotting, drilling, and smoothing.
• Assembly (Dwgs 2180-08): Outlines the assembly process, including applying RTV, aligning components, and feeding wires.

This document is crucial for bidders to understand the specific technical requirements and design specifications for the door track heaters. It details the materials, dimensions, electrical components, and assembly procedures that must be followed. Bidders should review these drawings to ensure their proposed solution or manufactured product meets all specified design and performance criteria.

Form / Attachment / Pricing Sheet

This document contains drawings and a Bill of Materials (BOM) related to a de-icing system. It provides layout diagrams, a piping diagram, and a list of components required for the system.

• Drawing M1 (DE-ICING Piping Layout): Illustrates the physical layout of the de-icing piping system, including elevations, pipe sizes, and mounting details.
• Drawing M2 (DE-ICING Piping Diagram & BOM): Shows a schematic of the de-icing piping and includes a Bill of Materials (BOM) listing quantities, descriptions, and vendor part numbers for components such as PVC pipes, fittings, spray nozzles, and straps.
• Drawing E1 (WIRING DIAGRAM): Details the electrical wiring for the de-icing solenoid valves and track heaters, including thermostat placement and connections.

This document is crucial for bidders to understand the specific components, materials, and layout required for the de-icing system. It directly informs material procurement, installation planning, and cost estimation for any vendor responding to an opportunity that includes this de-icing system.

Form / Attachment / Pricing Sheet

This document contains the electrical schematics and wiring diagrams for the motor control boxes of the wet doors for Cooling Tower Cells #1, #2, and #3. It details the instrumentation and control systems for operating these doors.

• Motor Control Boxes: Schematics for "EAST" and "WEST" motor control boxes for each of the three cooling tower cells.
• Components: Includes starter assemblies, motor units, drive motors, brakes, solenoids, local control stations, and roll-up door units.
• Wiring Diagrams: Detailed wiring for control circuits, including limit switches (open, close, magnetic proximity), edge switches, override switches, and manual hoist interlocks.
• Power: Indicates 480V motors and 24 VDC control power.
• Marshalling Boxes: References to marshalling boxes (SCPB D-100) and terminal blocks (TBH, TBK).
• Revisions: Lists revisions to the drawing, including CAD updates and new SCPB.
• Notes: Provides important information such as relay contact states, specific limit switch types, and references to other related drawings (e.g., E05 Rev 3 for thermal points and component layout).

This document is crucial for bidders involved in the maintenance, repair, or replacement of the cooling tower wet door systems. It provides the technical specifications for the electrical control systems, enabling accurate assessment of the scope of work, required components, and installation details. Understanding these schematics is essential for preparing a compliant and technically sound proposal for any related maintenance or upgrade opportunities.

Form / Attachment / Pricing Sheet

This document is an "AS BUILT DRAWING" titled "TRANSVERSE SECTION B-B" for a 3-Cell Mechanical Draft Hybrid Wood Cooling Tower for the NIST Research Reactor Project. It provides detailed engineering and construction information for the cooling tower.

• Detailed cross-section of the cooling tower, illustrating various components such as the fan stack, dry section, heat exchangers, fill packs, drift eliminators, and basin.
• Elevation markers (EL.) indicating different levels within the structure.
• Dimensions and specifications for various parts, including piping, supports, and fill materials.
• Notes regarding specific components, materials (e.g., galvanized steel, FRP, PVC), and their installation.
• Revision history detailing changes made to the drawing.

This drawing provides critical technical details about the physical structure and components of the cooling tower. Bidders may use this information to understand the existing infrastructure, assess the scope of work for any related maintenance, repair, or modification efforts, and ensure their proposals accurately reflect the physical constraints and requirements of the project.

Amendment / Modification

This amendment (0001) to Request for Quote Number: 1333ND26QNB610122 for Roll Up Door Maintenance & Repair Services makes the following changes:

• Adds a Site Visit: A site visit is scheduled for April 08, 2026, at 10:00 a.m. EST at NIST, Building 225, Entrance Area, 100 Bureau Drive, Gaithersburg, Maryland. Attendees must arrive by 9:45 a.m. Attendance is strongly encouraged.

• Extends Inquiry Deadline: The deadline for submitting questions is extended to April 15, 2026, 12:00 p.m. EST.

• Extends Response Deadline: The deadline for submitting quotes is extended to April 24, 2026, 4:00 p.m. EST.

• Adds FAR Clause: FAR Clause 52.237-1, Site Visit, has been added.

• Site Visit Details: New section added detailing the date, time, location, and requirements for attending the site visit.

• Questions Submission: Deadline and contact information for submitting questions have been updated.

• Response Deadline: The final submission deadline has been extended.

• FAR Clauses: FAR Clause 52.237-1 is now included.

• The deadline for submitting quotes has been extended to April 24, 2026, 4:00 p.m. ET.

• Potential offerors are urged to attend the site visit and must register by emailing ranae.armstrong@nist.gov by April 13, 2026, 12:00 p.m. ET, providing specific attendee and security information. Non-citizens require additional documentation (NIST-1260 form) and background checks.

Form / Attachment / Pricing Sheet

This document is the "Relevant Experience Project Data Sheet" (RFQ NUMBER: 1333ND26QNB610122). It is designed for offerors to provide detailed information about their past projects to demonstrate relevant experience. Bidders must use this form to document specific projects that align with the requirements of the solicitation.

• Project Identification: Section 1 allows bidders to select up to three projects.
• Offeror Information: Section 2 requires firm name, address, contact details, and identification of the offeror's role (Prime, Joint-Venture, Other).
• Work Performed: Section 3 details the percentage of work performed and, if a subcontractor, the prime contractor's information.
• Contract Details: Section 4 includes contract number, title, location, award amount, and final price.
• Dates: Section 5 requires award and completion dates.
• Type of Work: Section 6 specifies the type of work performed (e.g., Welding).
• Contract Type: Section 7 lists contract types (e.g., Firm-Fixed Price, Cost/Time and Material).
• Customer Information: Section 8 requires customer/owner name and point of contact details.
• Project Description & Relevancy: Section 9 is a critical field for a detailed description of the project and its relevance to the current RFP requirements.
• Other Information: Section 10 allows for additional relevant details.

This form is crucial for bidders to substantiate their qualifications and experience. Completing this sheet accurately and thoroughly, particularly Section 9, will be essential for demonstrating to the government that the offeror has the necessary background and capabilities to successfully perform the work outlined in the solicitation. Failure to provide adequate information may impact the evaluation of the offeror's proposal.

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

To establish a routine for the proper maintenance and repair of twelve (12) operator-driven roll-up doors on the hybrid cooling tower at the NIST Center for Neutron Research (NCNR) Gaithersburg campus.

• Provide an annual maintenance and repair service contract.

• Includes all labor, materials, equipment, and parts to ensure doors are consistently fully operational.

• Two (2) preventive maintenance service visits per year to inspect, adjust, lubricate, test, and make necessary repairs.

• On-call emergency repair services for the base year and option periods.

• Contractor must be familiar with the specific door models (CHI 6181) and operators (Liftmaster GH503L5).

• Doors must be consistently fully operational.

• Repairs must be completed in accordance with industry, NIST, and OSHA standards.

• Contractor must supply a comprehensive safety plan adhering to OSHA and NIST requirements.

• All repair parts must be new.

• Place: On-site at the NIST Gaithersburg, MD campus.

• Period: Base Year (Date of Award – 12 months) with four (4) Option Periods.

• Safety: Contractor employees must comply with all safety regulations, including fire prevention and waste disposal.

• Security: NIST is a restricted campus requiring identification badges for access. Vehicle registration is also required. Contractor must submit visitor registration information at least seven (7) business days prior to on-site visits.

• Hours: Regular business hours are Monday-Friday, 8:00 am to 5:00 pm ET. Services outside these hours require advance scheduling and approval.

• Reporting: Requires an Activity Log and a monthly Financial Report for Time & Material Line Items.

• Deliverables: Include Contractor Safety Plan, Kick-Off Meeting, Preventative Schedule and Plan, Maintenance Service Reports, Non-Emergency Assessments, Emergency Assessments, Activity Log, and Financial Report.

• Emergency Response: Contractor must respond to emergency calls within 24 hours and arrive on campus within 2 days for assessment and repair. Emergency and non-emergency repairs combined shall not exceed $10,000.00 annually.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire (PPQ) intended to gather feedback from clients regarding a contractor's performance on a previous project. It is to be completed by the client and submitted to the offeror, who will then include it with their quotation for NIST solicitations.

• Contractor Information: Fields for the firm name, address, phone, email, and point of contact.
• Client Information: Fields for the client's firm/agency name, address, phone, email, and point of contact.
• Product Information: Details about the product purchased, including make & model, quantity, date of purchase, and whether it met technical requirements.
• Contractor Performance: Questions regarding on-time delivery and causes for any delays.
• Performance Rating: A scale from Excellent to Unsatisfactory, with definitions for each rating, to assess contractor performance against contractual requirements.
• Date and Signature: Fields for the date the questionnaire was completed and the client's signature.

This questionnaire is crucial for bidders as it forms part of the past performance evaluation. Bidders must ensure this form is completed accurately by their clients and submitted with their proposals. The feedback provided in this PPQ directly influences the government's assessment of the bidder's ability to successfully perform the contract requirements.

Solicitation / RFP / RFQ

This document incorporates by reference Federal Acquisition Regulation (FAR) and Commerce Acquisition Regulation (CAR) provisions and clauses. It outlines the terms and conditions that will govern the contract. Bidders are advised that some provisions and clauses may require completion and submission with their offer.

This document primarily lists provisions and clauses that will be incorporated into the contract. Key provisions include those related to:

• Prohibition on Contracting with Entities Requiring Certain Internal Confidentiality Agreements (FAR 52.203-18)
• System for Award Management (SAM) registration and maintenance (FAR 52.204-7, FAR 52.204-13)
• Representations regarding inverted domestic corporations and felony convictions (FAR 52.209-2, FAR 52.209-11)
• Instructions to Offerors for Commercial Products and Commercial Services (FAR 52.212-1)
• Buy American certificate requirements (FAR 52.225-2)

Key clauses include those related to:

• Contractor employee whistleblower rights (FAR 52.203-17)

• Prohibition on requiring certain internal confidentiality agreements (FAR 52.203-19)

• Protecting the Government's interest when subcontracting (FAR 52.209-6)

• Option to extend services and contract term (FAR 52.217-8, FAR 52.217-9)

• Payment by Electronic Funds Transfer (FAR 52.232-33)

• Place of Acceptance (CAR 1352.246-70)

• Contract Performance During Changes in NIST Operating Status (NIST LOCAL-53)

• The document references potential options to extend services and the contract term, with the total duration not to exceed 5 years and 6 months.

• Place of acceptance for supplies and services is the National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, MD 20899.

• Offerors must submit all questions in writing to the Contract Specialist at ranae.armstrong@nist.gov with a cc to the Contracting Officer at Donald.collie@nist.gov. Questions must be received no later than five (5) calendar days after the solicitation issuance date.

• Responses to questions will be provided in writing via an amendment to the solicitation.

• The Buy American-Supplies provision (FAR 52.225-2) details requirements for domestic end products and critical components.

• Provisions related to Women-Owned Business (Other than Small Business) (FAR 52.204-5) and Post-award Small Business Program Representation (FAR 52.219-28) are incorporated.

• Bidders are cautioned that some provisions require completion and submission with their offer.

• The full text of incorporated provisions and clauses can be accessed electronically via provided links to acquisition.gov and ecfr.gov.

• Specific instructions for electronic invoice submission via the Invoice Processing Platform (IPP) are provided, including required invoice details and waiver request procedures.

• Information regarding NIST campus operating status and contractor requirements during changes in status is included.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation (Request for Quotation - RFQ) for commercial products or services, specifically for CSS Rollup Door Maintenance and Repair. It is a total small business set-aside, competed on the open market.

The solicitation outlines requirements for the following tasks over a 12-month base year and four 12-month option periods:

• CLIN 0001: Inspections & Maintenance Services (Firm Fixed Price)
• CLIN 0002: Non-Emergency Repair Services (Time & Materials, Normal Business Hours)
• CLIN 0003: Emergency Repair Services (Time & Materials, Outside Normal Business Hours)

Combined emergency and non-emergency repairs are not to exceed $10,000.00 in any one period of performance. Detailed requirements are in the attached Statement of Work.

• Contract Type: Firm-Fixed-Price Purchase Order (PO) anticipated.

• Period of Performance: 12-month base year plus four 12-month option periods.

• Estimated Value: Not explicitly stated, but repair services have a not-to-exceed limit of $10,000.00 per period.

• Submission Deadline: Electronic quotations due by 4:00 PM Eastern Time on 04/06/26, submitted via email to ranae.armstrong@nist.gov with a copy to Donald.collie@nist.gov. Reference RFQ number in the subject line.

• Inquiries Deadline: Written questions due no later than 03/30/26 to the same email addresses.

• Evaluation Criteria: Award will be made to the responsible offeror whose quotation is most advantageous to the Government, considering both price and non-price factors. Non-cost factors (Technical Capability, Experience, Past Performance) are more important than price. The Government may award without discussions based on initial quotes.

• Set-Aside: Total small business set-aside.

• NAICS Code: 238990 (All Other Specialty Trade Contractors) with a $19 million size standard.

• Registration: Active registration in the System for Award Management (SAM.gov) is required at the time of quotation submission, award, performance, and final payment.

• The solicitation incorporates provisions and clauses in effect through RFO, supplemented by U.S. Department of Commerce Acquisition Policy.

• Quotations must be divided into three volumes: Technical, Price, and Terms and Conditions.

• Offerors must clearly document how their proposed products/services meet or exceed specifications in the SOW.

• Experience requirements include specific project types and a Project Manager with relevant experience.

• Past performance examples are required, using the "Past Performance Questionnaire" attachment.