TEXAS MILITARY DEPARTMENT

SOLICITATION

NIGP Code 914-50 Heating, Ventilating and Air Conditioning (HVAC)

SOLICITATION NO.

TMD26-ANG-WJ-25269002

TYPE OF SOLICITATION

INVITATION FOR BID (IFB)

DATE ISSUED

7/7/2026

INVITATION FOR BIDS (IFB) - Ellington HVAC Repairs

Respondent must submit their response via email to:

procurement@military.texas.gov no later than 2:00 P.M. CT on 8/6/2026

FOR INFORMATION CONTACT:

Brent Morgan CTCD, CTCM

Contract Administrator

PHONE: (512) 782-5692

EMAIL: Procurement@military.texas.gov

RESPONSE (Respondent must fully complete)

DISCOUNT FOR PROMPT

PAYMENT:

10 DAYS

DAYS

30 DAYS

___ DAYS

ACKNOWLEDGMENT OF

ADDENDA:

Respondent acknowledges receipt of solicitation addenda and related documents numbered and dated:

ADDENDUM NO. DATE ADDENDUM NO. DATE

NAME AND ADDRESS

OF Respondent:

RESPONSE DATE

TELEPHONE NO. (Include area code)

SIGNATURE OF AUTHORIZED REPRESENTATIVE

NAME AND TITLE OF AUTHORIZED REPRESENTATIVE

CERTIFICATION, DISQUALIFICATION, and REMEDIES By signing this document, Respondent represents and warrants that all statements, certifications, and information submitted in response to this solicitation are true, current, complete, and accurate.

Failure to sign will disqualify response. TMD may pursue and enforce any available remedies against the Respondent for making false statements, including disqualifying the Respondent’s response, immediately cancelling any Contract awarded to Contractor, or recommending State of Texas debarment.

TERM, PRICING, and FUNDING The initial contract term is effective on the effective date stated in the notice of award (or purchase order if there is no notice of award) and expires one (1) year from that effective date.

TMD will not allow changes after Date of Award to terms or pricing during either the initial term of the Contract. The award of the Contract is subject to the availability of TMD’s funding source for the Contract.

mailto:procurement@military.texas.gov

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ANTICIPATED SCHEDULE OF EVENTS

TMD currently anticipates that the selection of successful Respondent and award of the Contract, if any, will proceed according to the following schedule:

Date Time CT Events 7/7/2026 Solicitation Posted to ESBD

7/14/2026 9:30am

Mandatory Site Visit

Texas Military Department Ellington Field at 14657 Sneider St., BLDG 1256, Houston, TX 77034-5586

Failure to attend this site visit will result in disqualification of the response.

7/21/2026 2:00pm Last day to submit written questions for clarification to

TMD

7/28/2026 As Appropriate

Estimated date for TMD to post Question and Answer (Q&A) document to ESBD

8/6/2026 2:00pm Deadline for TMD to receive Bids

Intentionally Left Blank

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SECTION A—DEFINITIONS

SECTION B—SERVICES AND PRICES

B.1 PRICING REQUIREMENTS

B.1.1 Pricing Instructions B.1.2 Financial Rating Report, Financial Resources, and Ability to Perform

B.2 INVOICE REQUIREMENTS

B.3 PAYMENTS

B.3.2 Payment Adjustment B.3.3 Late Payment B.3.4 Deductions for Unacceptable Compliance B.3.5 Withholding of Payment B.3.6 Debts and Delinquencies B.3.7 Right to Offset

B.4 mandatory PRICING SCHEDULE B.4.1 Contract Term Pricing

SECTION C – STATEMENT OF WORK AND SPECIFICATIONS

C.1 INTRODUCTION

C.2 BACKGROUND

C.3 REQUIREMENTS

C.4 ACCEPTANCE CRITERIA

C.5 TMD PERSONNEL

C.5.1 TMD’s Contract Administrator C.5.2 TMD’s Project Manager C.5.3 TMD’s Assistant Project Manager

C.7 HISTORICALLY UNDERUTILIZED BUSINESSES (HUB) PARTICIPATION

C.8 INSURANCE REQUIRED UNDER THE CONTRACT

C.9 Bonds REQUIRED UNDER THE CONTRACT

C.10 Service Call Response Time

SECTION D—CONTRACT COMPLIANCE REPORTS AND DATA

SECTION E—INSTRUCTIONS, CONDITIONS, AND NOTICES TO RESPONDENTS

E.1 RESPONSE PREPARATION INSTRUCTIONS

E.2 AMENDMENTS TO THE SOLICITATION

E.3 LATE SUBMISSIONS, MODIFICATIONS AND WITHDRAWALS OF RESPONSES

E.4 SIGNATURES ON RESPONSE SUBMITTED

E.5 RESPONSE ACCEPTANCE PERIOD

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E.6 CONTRACT AWARD

E.7 TMD’s RIGHTS

E.8 RESPONSE SUBMISSION INSTRUCTIONS

E.8.1 Volume One – Contract Forms and Required Response Information E.8.2 Volume Two – Information Section E.8.3 Volume Three – Cost and Pricing Response

E.9 DISCUSSION AND CORRESPONDENCE

E.10 SUBMISSIONS SUBJECT TO THE Texas public information act

E.12 ANTICIPATED SCHEDULE OF EVENTS

E.13 MANDATORY SITE VISITS

SECTION F—EVALUATION CRITERIA

SECTION G—LIST OF ATTACHMENTS

BY NUMBER AND TITLE

Intentionally Left Blank

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SECTION A—DEFINITIONS

The following terms and acronyms used in this solicitation have the meanings given in this section unless the context indicates otherwise.

“Bid” means the Respondent’s response to this solicitation. A Bid is an offer to contract based upon the terms, conditions, and specifications contained within the solicitation. Bids do not become contracts until they are accepted through an open market purchase order.

“Business Days” means Monday through Friday except for federal, state, and legal holidays observed by the State of Texas.

“Business Hours” means 6:30 a.m. to 5:00 p.m. Central Time.

“Contract” means this formal, written, and legally enforceable agreement between TMD and Contractor.

“Contractor” means the individual, business or other entity awarded the Contract. In the context of submitting a response, “Contractor” also means “Respondent” and “Vendor.”

“Date of Award” means the date the Contract is fully executed.

“Days” means calendar days unless otherwise specified.

“DDC” means Direct Digital Controls.

“Fiscal Year” means any of the one (1) year periods beginning September 1 and ending August 31 used for annual budgetary purposes by the State of Texas.

“FMRC” means Factory Mutual Research Corporation.

“NEMA” means National Electrical Manufacturers Association.

“OSHA” means Occupational Safety and Health Administration.

“Parties” means Contractor and TMD.

“Respondent” means the individual, business entity, or organization that submits a response in reply to this solicitation with intent to contract with TMD.

“TMD” means the Texas Military Department of the State of Texas, a state agency in the executive branch created under Texas Government Code Ch. 437.

“UL” means Underwriters Laboratories.

“Vendor” means the individual, business entity, or organization at any stage in the procurement or contracting process (prior to response, during response, and after contract award).

“VFD” means Variable Frequency Drive

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SECTION B—SERVICES AND PRICES

B.1 PRICING REQUIREMENTS

B.1.1 Pricing Instructions

A. TMD seeks and Contractor will provide the commodities or services described in Section C – Statement of Work and specifications on a no minimum, as needed, as requested basis. Pricing is firm fixed price for the Heating Ventilating and Conditioning (HVAC) Repairs requested and authorized by TMD as provided under the Contract. Respondents must price the response on this basis.

B. Contractor must deliver and provide the HVAC Repairs in compliance with all requirements of the Contract with such payment to be processed by TMD after TMD’s receipt, testing and acceptance of the HVAC repairs.

C. Respondent must submit a response that includes all costs, fees, licenses, and expenses for

Contractor’s delivery of the HVAC repairs and performance under the Contract and will represent Contractor’s sole compensation under the Contract. No minimum compensation is guaranteed under the Contract. No payments may be approved or made prior to TMD’s acceptance as provided in the Contract.

D. TMD reserves the right to make an award on the basis of low line item bid, low total of line items, or in any other combination that will serve the best interest of TMD and to reject any and all items bid at the sole discretion of TMD. TMD also reserves the right to accept or reject all or any part of any response, waive minor technicalities and award the response to best serve the interests of TMD.

E. Catalogs, brand names, or manufacturer’s references are descriptive only, and indicate type and quality desired. Bids on brands of like nature and quality will be considered unless advertised under Texas Government Code § 2155.067. If a Respondent believes it can satisfy these specifications, it should bid its goods or services and explain how the specifications will be adequately met.

F. If bidding on specifications other than those stated within this solicitation, bid should show manufacturer, brand, or trade name, and other description of product offered. If other than brand(s) specified is offered, specifications, illustrations, and complete descriptions of product offered must be included with bid. Failure to take exception to specifications or reference data will require Respondent to furnish specified brand names, model numbers, etc.

G. Unless otherwise specified, all items bid must be new and unused and of current production.

Consistent and continued tie bidding may cause rejection of bids by TMD and investigation for anti-trust violations.

H. All electrical items must meet all applicable Occupational Safety and Health Administration

(OSHA) standards and regulations and bear the appropriate listing from Underwriters Laboratories (UL), Factory Mutual Research Corporation (FMRC), or National Electrical Manufacturers Association (NEMA).

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B.1.2 Financial Rating Report, Financial Resources, and Ability to Perform

A. Respondent must provide evidence of its financial resources and its ability to provide the commodities or perform the services for which Respondent is submitting a response. This includes information Respondent believes is pertinent to demonstrate its financial capability, financial solvency, and capacity to fulfill the requirements of this solicitation.

B. At a minimum, Respondent must submit a copy of at least one (1) rating from organizations such as Dun & Bradstreet (D&B) Business Information Report or Fitch Ratings. The report must include the Respondent’s Viability Score and the Portfolio Comparison Score or similar ratings.

Failure to submit copies of the required financial ratings will result in disqualification.

C. Respondents must provide information and any other financial information reasonably requested by TMD consistent with the services provided by Respondent or otherwise required by the then applicable TMD policies for similar contracts.

D. If the contract is awarded to Respondent, Contractor must also submit to the Contract Administrator its financial rating information within 120 days after the end of Contractor’s fiscal year.

E. TMD reserves the right to investigate and determine the financial integrity and responsibility of a Respondent and to reject a response on the grounds of Respondent’s lack of financial soundness, or if TMD reasonably concludes, after reviewing the information submitted by Respondent as well as all other relevant information obtained by TMD, that significant issues exist that could jeopardize Respondent’s full and timely performance. TMDS also reserves this same right throughout the life of the Contract, including before executing any optional renewal amendment with Contractor.

B.2 INVOICE REQUIREMENTS

Invoices are Contractor’s billing for goods or services rendered. TMD will pay Contractor on the basis of itemized invoices submitted to and approved by TMD. The invoices must show the actual deliverables provided and the attendant charge. Itemized invoices must clearly identify the project phase or title, deliverables delivered, the number of hours that each allocated employee worked if applicable, and the date range of work performance for this associated charge.

A. Contractor’s invoice must include the following:

1. the Contract number or Purchase Order number;

2. remittance address; and

3. any prompt payment discount offered.

B. Contractor must send an email with the invoice copy to Payables@military.texas.gov and to the Contract Monitor (if applicable).

An original, hard-copy invoice, if required, will be submitted to the office designated below:

mailto:Payables@military.texas.gov

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Texas Military Department (TMD) Attn: Accounts Department P.O. Box 5218, Building 11 Austin, Texas 78763-5218

The State of Texas will not incur any penalty for late payment if the invoice fails to conform to the requirements of this section or if Contractor did not mail the invoice to the appropriate addresses identified in this section.

B.3 PAYMENTS

A. TMD recommends that Contractor receive payments by electronic funds transfer (EFT), also known as direct deposit. If Contractor elects to be set up for direct deposit payment, Contractor must submit a completed Direct Deposit Authorization Form (Exhibit G.1).

B. Regardless as to whether Direct Deposit is chosen, Bidder must submit a completed Texas Application for Payee Identification Number (Exhibit G.2) to the following address:

Texas Military Department (TMD) Attn: Accounts Department

AP_Vendor@military.texas.gov

Reference: Contractor Set-up for Solicitation TMD26-ANG-WJ-25269002

Notes: Brent Morgan when completed 512-782-5692 or Procurement@military.texas.gov.

C. If Contractor has previously submitted a completed Contractor Direct Deposit Authorization Form to TMD for another separate contract, another form is not required to be submitted.

B.3.1 Billing and Payment

A. TMD will not make any payments of any amount to Contractor until an accurate invoice is received that complies with Section B.2 above. TMD will notify Contractor if invoice is deemed to be inaccurate within 20 days of receipt.

B. Texas Government Code Chapter 2251 (the Prompt Payment Act) will govern payment and accrual of interest on any overdue payments.

C. If TMD, for any reason, including lack of supporting documentation, disputes any items in any invoices submitted by Contractor, TMD will place a hold on the disputed items and may pay the remaining amount of the invoice. TMD will timely notify Contractor of the dispute and request clarification or remedial action.

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D. If the dispute is resolved in Contractor’s favor, TMD will pay the remaining portion of the original invoice in accordance with the Prompt Payment Act. If the dispute is resolved in TMD’s favor, Contractor must resubmit an invoice reflecting all corrections.

B.3.2 Payment Adjustment

A. TMD may elect to deduct from Contractor payment as specified in this section or any amount specified in or any money determined to be due as specified in the Contract.

B. If it is determined that the remaining amount of Contractor payment is not adequate to cover the money determined to be due to TMD, then all remaining Contractor payments will be withheld and an invoice issued to Contractor for the remaining amount due.

C. Contractor must pay the invoiced amount within thirty (30) days of receipt unless Contractor and TMD mutually agree on an alternative payment method.

B.3.3 Late Payment

Any amount owed to Contractor more than one (1) day beyond the date such amount is due as described in this section will accrue interest each day that such amount is not paid at the rate specified by Texas Government Code § 2251.025, provided; however, that this provision will not excuse failure by TMD to make payment in strict accordance with the Contract.

B.3.4 Deductions for Unacceptable Compliance

If Contractor fails to comply with the terms of the Contract, TMD may withhold Contractor’s payment. If non-compliance results in TMD purchasing goods or services from another entity to remedy the non-compliance, TMD will deduct those costs from Contractor’s payment.

B.3.5 Withholding of Payment

A. TMD will have the right to withhold Contractor’s payment until the failures described below have been corrected.

1. Failure to submit reports or other documentation required in Section D—Contract Compliance Reports and Data required from Contractor;

2. Failure to comply with background check or security requirements;

3. Failure to respond to audit reports; and

4. Failure to correct identified areas of non-compliance to the satisfaction of TMD within ten (10) days upon receipt of written notification.

B. TMD will not pay interest to Contractor for monies so withheld.

C. Contractor’s withheld payment will be released upon TMD’s satisfaction that compliance has been achieved for thirty (30) consecutive days.

D. In the event that money is due to TMD for Contractor’s failure to provide adequate maintenance or replacement of the property as required in the Contract, the amount

Page 10 of 46 Approved 10/16/2021 required for TMD to correct deficiencies and replace property will be withheld from the final payment.

E. With the exception of disputed issues, such withholding of final payment by TMD will not exceed 120 days from date of the Contract’s termination.

B.3.6 Debts and Delinquencies

TMD is prohibited from issuing any payment to a person or entity that has been reported as having an indebtedness or delinquency to the State of Texas. Contractor agrees and understands that, to the extent Contractor owes any debt or delinquent taxes to the State of Texas, TMD will apply any payments or other amounts Contractor is otherwise owed under the Contract toward the debt or delinquent taxes until the debt or delinquent taxes are paid in full. Contractor must comply with all applicable laws regarding satisfaction of debts or delinquencies to the State of Texas.

B.3.7 Right to Offset

In the event TMD determines that Contractor owes money to TMD under any contract or purchase order, TMD, upon providing Contractor with written notice of its intent to offset, will have the right to withhold monies due to Contractor with respect to the Contract or with respect to any other contract or purchase order with TMD and apply such monies to the money due to TMD.

B.4 MANDATORY PRICING SCHEDULE

B.4.1 Contract Term Pricing

The Respondent must submit its bid price within the Pricing Table located in Attachment G.4, replicating, as necessary, in its exact format.

Bid price must be submitted on the Mandatory Pricing Schedule (Attachment G.4). Respondents will price per unit shown. Unit prices will govern in the event of extension errors. If a price quotation is submitted as part of Bid, the quotation must be referenced in the response and signed by Respondent to establish formal linkage to the Bid.

Prices bid are firm throughout the term of the Contract. “Discount from List” bid pricing is not acceptable unless requested. Cash discounts are not considered in determining an award. Cash discounts offered will be taken if earned.

Contractor must provide the number of calendar days to perform the work from notice of award to Substantial Completion at the bid time with their proposal (Attachment G.4, Mandatory Pricing Schedule).

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SECTION C – STATEMENT OF WORK AND SPECIFICATIONS

C.1 INTRODUCTION

The Texas Military Department (TMD) is seeking a Contractor for the repair of Heating Ventilation and Conditioning (HVAC) units and systems. This job will be at the Texas Military Department Ellington Field at 14657 Sneider Street, Houston, TX 77034-5586.

TMD FURNISHED PROPERTY, MATERIAL, EQUIPMENT AND SERVICES

TMD will provide the labor, property, material, equipment, and/or services listed below solely for the purpose of performance under this contract:

A. The TMD Project Managers will provide the Contractor access to existing engineering plans, drawings, diagrams, aerial photographs, digitized map files, etc., to facilitate evaluation of the site(s), as needed or requested for the mandatory site visit (for reference only).

Note: If you wish to have anything referenced in C.1 A, or other items not mentioned, available for the mandatory site visit, please email your request to Procurement@military.texas.gov No Later Than (NLT) five (5) days prior to the mandatory site visit date.

B. TMD’s Project Manager will arrange for the following as needed:

1. Personnel identification badges, vehicle passes, and/or entry permits.

2. If and as required, TMD will provide escorts for Contractor personnel working in secure areas.

CONTRACTOR FURNISHED PROPERTY, MATERIALS, AND EQUIPMENT

A. General: Except for those items specifically stated to be TMD Furnished above, the Contractor shall furnish everything required to perform these services as indicated in the Statement of Work.

B. Project Management Coordination:

1. The Contractor shall use ProjectMates Management System for reporting and communications to the Project Manager. The monthly fee is approximately $125/project and set up fee of approximately $750. This will be coordinated with the Project Manager at project start up. The fees are to be coordinated with ProjectMates to confirm current TXANG fees.

2. The Contractor shall utilize the Government-designated project management software, Projectmates, for all project administration, documentation, and communications with the Project Manager and Government stakeholders.

3. Use of Projectmates shall be mandatory for, but not limited to, the following:

a. requests for Information (RFIs),

b. submittals and material approval workflows,

c. project schedules and schedule updates,

d. meeting minutes and action items,

e. cost proposals,

f. modifications,

g. pay applications, mailto:Procurement@military.texas.gov

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h. daily reports,

i. field documentation,

j. quality control and testing reports,

k. correspondence,

l. and document tracking.

C. Email communications shall be limited to notifications only; all official project records and approvals shall be maintained within Projectmates.

D. The Contractor shall be responsible for the Projectmates monthly licensing fee per project and a one-time system setup fee.

E. Coordination and account setup shall be completed with the Project Manager at project startup.

SECURITY

A. The Government may prohibit installation access to anyone categorized as a security concern.

These concerns may include but are not limited to:

1. record of criminal conduct (active arrest warrant),

2. felony conviction,

3. illegal drug involvement,

4. personal conduct,

5. registration on any sexual offender registry,

6. record of convictions/charges stemming from disrespect for law,

7. and non-US Citizen without proper documentation.

8. All listed items from SFS Disqualifications for entry below should be considered for all contractors to include the prime, and subs.

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B. Unscheduled gate closures by the Security Police may occur at any time causing all personnel to enter or exiting a closed installation to experience a delay. This cannot be predicted or prevented. Contractors are not compensated for unexpected closures or delays. Vehicles operated by contractor personnel are subject to search pursuant to applicable regulations. Any moving violation of any applicable motor vehicle regulation may result in the termination of the contractor employee’s installation driving privileges.

C. The contractor’s employees shall become familiar with and obey the regulations of the installation, including fire, traffic, safety and security regulations while on the installation.

Contractor employees should only enter restricted areas when required to do so and only upon prior approval. All contractor employees shall always carry proper identification with them and

Page 14 of 46 Approved 10/16/2021 shall be subject to such checks as may be deemed necessary. The contractor shall ensure compliance with all regulations and orders of the installation, which may affect performance.

The Government reserves the right to direct the removal of an employee from Government property or revoke access to Government systems for misconduct, security reasons, or any overt evidence of communicable disease. Removal of contractor employees for reasons stated above does not relieve the Contractor from responsibility for total performance of this contract.

D. The contractor shall submit within three (3) business days the 147 ATKW Form 17 for base pass access to the COR with a valid driver’s license. This form will be used for all contractors and subcontractors to gain base access.

HOURS OF OPERATION

Contractor must provide services Monday through Friday between the hours of 6:30 a.m. and 5:00 p.m. except on recognized federal holidays or TMD facility/installation is closed due to local or national emergencies, administrative closings, or similar government directed facility/installation closings.

RECOGNIZED HOLIDAYS

A. The following are recognized federal holidays. Contractor must not perform services on these days:

B. Contractor must maintain an adequate workforce for the uninterrupted performance of all tasks defined in the Statement of Work when the TMD facility/installation is not closed.

Contractor must maintain the stability and continuity of their employees. Telework is not authorized.

Date Holiday January 01 New Year’s Day 3rd Monday in Jan. Birthday of Martin Luther King, Jr.

3rd Monday in Feb. Washington’s Birthday Last Monday in May Memorial Day June 19th Juneteenth National Independence Day July 4th Independence Day 1st Monday in Sept. Labor Day 2nd Monday in Oct. Columbus Day November 11th Veterans Day 4th Thursday in Nov. Thanksgiving Day December 25th Christmas Day

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C. Unscheduled gate closures by the security forces may occur at any time causing all personnel entering or exiting a closed installation to experience a delay, which cannot be predicted nor prevented.

1. Contractors are not compensated for unexpected closures or delays.

2. Vehicles operated by Contractor personnel are subject to search pursuant to applicable regulations.

3. Any moving violation of any applicable motor vehicle regulation may result in the termination of the Contractor’s employee(s) driving privileges.

C.2 BACKGROUND

Ellington Field operates a continuous 24/7 mission that requires personnel to occupy facilities at all hours, including nights, weekends, and holidays. Many of these facilities house mission-critical and temperature-sensitive equipment that must be maintained within specific environmental parameters to ensure operational readiness and prevent equipment degradation or failure. As such, reliable and fully functional HVAC systems are essential to sustaining both personnel safety and mission effectiveness.

Currently, several facilities across the installation are experiencing HVAC system deficiencies that impact temperature regulation, air quality, and overall system performance. These deficiencies pose a risk to ongoing operations, equipment integrity, and occupant comfort. Repairs and system restoration are required to return affected buildings to full operational capability, ensure compliance with environmental standards, and support uninterrupted mission execution. Repair by replacement.

C.3 REQUIREMENTS

The Contractor shall provide all labor, supervision, project management, professional engineering support, materials, equipment, tools, transportation, permits, testing, commissioning, documentation, quality control, quality assurance, start-up services, and incidentals necessary to complete the HVAC repairs, replacements, upgrades, and associated work described herein.

Construction labor and materials, rental equipment, third-party testing fees, crane/lift plans execution, permits/fees will be the contractors responsibility.

C.3.1 Refrigerant Recovery and Return Requirements

The Contractor shall recover all refrigerant from existing HVAC equipment in accordance with all applicable EPA regulations and industry standards. Any refrigerant remaining after completion of the work shall be properly recovered, containerized in contractor-provided approved refrigerant cylinders, clearly labeled, and returned to the Government. The Contractor shall not vent, dispose of, retain, or otherwise remove Government-owned refrigerant from the installation without prior written authorization from the Government.

All work shall be performed in accordance with the latest editions, amendments, and requirements of the following, utilizing the most stringent requirement where conflicts occur.

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C.3.2 GOVERNING CODES, STANDARDS, AND REFERENCES

1.Unified Facilities Criteria (UFC)

a. UFC 3-410-01 Heating, Ventilating, and Air Conditioning Systems

b. UFC 1-200-01 General Building Requirements

c. UFC 3-401-01 Mechanical Engineering

d. UFC 3-410-02 Direct Digital Control Systems for HVAC

e. UFC 3-420-01 Plumbing Systems

f. UFC 3-600-01 Fire Protection Engineering for Facilities

2.Unified Facilities Guide Specifications (UFGS)

a. UFGS 23 05 93 Testing, Adjusting and Balancing for HVAC

b. UFGS 23 05 15 Common Piping for HVAC

c. UFGS 23 09 23 Direct Digital Control System for HVAC

d. UFGS 23 64 26 Chilled Water Piping Systems

e. UFGS 23 81 23 Computer Room Air Conditioning Units

f. UFGS 23 73 13 Air Handling Units

3.Whole Building Design Guide (WBDG) 4.ASHRAE Standards

a. ASHRAE 15

b. ASHRAE 34

c. ASHRAE 55

d. ASHRAE 62.1

e. ASHRAE 90.1

5.National Fire Protection Association (NFPA)

a. NFPA 70 National Electrical Code

b. NFPA 90A

c. NFPA 90B

6.International Mechanical Code (IMC) 7.International Energy Conservation Code (IECC) 8.Texas State Mechanical Codes and Local Jurisdiction Requirements 9.Sheet Metal and Air Conditioning Contractors National Association (SMACNA) 10.Air Conditioning Contractors of America (ACCA) 11.American Society of Mechanical Engineers (ASME) 12.American National Standards Institute (ANSI) 13.Occupational Safety and Health Administration (OSHA) 14.Environmental Protection Agency (EPA) 15.Department of Defense and Air National Guard Design Standards

C.3.3 General Requirements

A. Normal working hours are Monday through Friday, 6:30 am to 5:00 pm.

B. Contractor must not be allowed to work overtime.

C. Contractor must be responsible for disposing of all replaced equipment/parts.

D. Contractor must coordinate with 147 CES prior to disposal.

E. Contractor shall field verify all dimensions, capacities, electrical requirements, refrigerant types, equipment compatibility, controls integration, structural support

Page 17 of 46 Approved 10/16/2021 requirements, piping configurations, and operating conditions prior to procurement of materials or equipment. No additional compensation shall be provided for failure to properly field verify existing conditions.

F. The Contractor shall provide operator training to Government personnel for all newly installed systems, controls, chillers, pumps, VFDs, and HVAC equipment.

G. The Contractor shall provide dedicated on-site Project Management (PM), Qualified, competent supervision and Quality to oversee planning coordination, schedule, subcontractors, RFIs/submittals, field work and change management, Lead inspections, test/verification, verify checklist adherence, and closeout documentation.

H. Contractor must dispose of all trash generated from this project.

I. Contractor must have a designated job site to stage equipment.

J. Contractor must verify all lifts, critical points and functionality to complete project.

K. Contractor must use ProjectMates to communicate for this project.

H. The Contractor shall provide a licensed Professional Mechanical Engineer registered in the State of Texas to review all HVAC equipment selections, load assumptions, system compatibility, refrigerant conversions, pump replacements, control modifications, and major equipment replacements.

The Professional Engineer review shall be required for:

a. Chiller replacements

b. Air handling unit replacements

c. CRAC/Computer Room HVAC replacements

d. Structural equipment support modifications

e. VFD modifications

f. Pump replacements

g. Control system integration

h. Refrigerant conversions

i. Equipment requiring electrical modifications

I. The Contractor shall establish and maintain a Contractor Quality Control (CQC) Program throughout project execution. The Quality Control Program shall include competent person:

a. Performing the following:

a. Preparatory Inspection

b. Initial Inspection

c. Follow-Up Inspection

b. Daily quality inspections.

c. Deficiency tracking log.

d. Corrective action procedures.

e. Submittal tracking.

f. Testing documentation.

g. Equipment startup reports.

h. Commissioning reports.

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J. SUBMITTALS

The Contractor shall submit the following for Government review and acceptance:

a. Project Schedule

b. Product Data

c. Shop Drawings

d. Equipment Specifications

e. Refrigerant Data Sheets

f. FAA Crane Approval – Form 7460

g. Factory Startup Procedures

h. Control Diagrams

i. Sequence of Operations

j. Balancing Reports

k. Commissioning Plans

l. Quality Control Plan

m. Safety Plan

n. Environmental Protection Plan

o. Hoisting and Lift Plans

p. Manufacturer Certifications

q. Warranty Documentation

No equipment shall be installed until approved submittals have been accepted by the Government.

K. REFRIGERANT REQUIREMENTS

The Contractor shall comply with all EPA refrigerant handling requirements. Freon will be retained by the government. The containers will be provided by the contractor in that regard. (See attached Memorandum guidance – Turn-in of Hydroflucarbons for Mission-Critical Military End Uses).

The Contractor shall but not limited to:

a. Recover existing refrigerants.

b. Properly document refrigerant quantities.

c. Dispose of refrigerants in accordance with EPA regulations.

d. Provide refrigerant recovery logs.

e. Provide charging documentation.

f. Conduct leak testing.

g. Verify refrigerant charge upon startup.

L. CHILLER REQUIREMENTS

For all chiller repairs or replacements, the Contractor shall:

a. Verify design flow rates.

b. Verify operating pressures.

c. Verify pump capacities.

d. Verify motor amp draws.

e. Verify chilled water temperatures.

f. Verify condenser water temperatures.

g. Verify vibration levels.

h. Verify compressor operation.

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i. Verify VFD operation.

j. Verify controls integration.

M. PUMP REQUIREMENTS

Pump inspections shall include:

a) Flow verification (GPM).

b) Differential pressure testing.

c) Bearing inspection.

d) Shaft inspection.

e) Mechanical seal inspection.

f) Alignment verification.

g) Motor insulation testing.

h) Motor amp draw verification.

i) Vibration analysis.

N. DIRECT DIGITAL CONTROL (DDC) REQUIREMENTS

a. All new HVAC equipment shall be fully compatible with the existing and future Base Control System (BCS).

b. The Contractor shall but not limited to:

c. Coordinate with 147 CES.

d. Provide BACnet compatibility.

e. Provide control point lists.

f. Provide graphics integration capability.

g. Program VFDs.

h. Verify communications.

i. Verify alarm functionality.

j. Verify trending capability.

O. TESTING, ADJUSTING, AND BALANCING (TAB)

a. TAB shall be performed by an independent certified TAB firm.

b. TAB shall comply with:

c. UFGS 23 05 93.

d. NEBB Standards.

e. AABC Standards.

f. TAB reports shall include:

g. Airflow measurements.

h. Water flow measurements.

i. Static pressures.

j. Differential pressures.

k. Temperature measurements.

l. Final balancing reports.

P. COMMISSIONING REQUIREMENTS

a. The Contractor shall fully commission all repaired and replaced HVAC systems.

b. Commissioning shall include:

c. Pre-functional inspections.

d. Startup inspections.

e. Functional performance testing.

f. Controls verification.

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g. Alarm verification.

h. Generator operation verification where applicable.

i. Emergency operation verification.

j. Trend verification.

k. Final acceptance testing.

Q. STARTUP AND ACCEPTANCE TESTING

The Contractor shall perform startup testing for all equipment.

Testing shall include but not limited to:

a. Voltage verification.

b. Phase rotation verification.

c. Motor rotation verification.

d. Refrigerant charge verification.

e. Pump operation verification.

f. Compressor operation verification.

g. Sensor calibration verification.

h. VFD operation verification.

i. Control sequence verification.

C.3.4 Building Requirements

A. Building 1193 Emergency Operations Cener (EOC) HVAC Upgrade:

1. Contractor shall upgrade, repair, test, and commission the existing HVAC system to ensure reliable operation capable of supporting continuous EOC operations.

2. Contractor shall provide all labor, supervision, equipment, materials, testing, refrigerant, filters, controls, piping, electrical coordination, startup, commissioning, and incidentals required to provide a complete and operational system.

3. Contractor shall evaluate and determine whether current cooling deficiencies are caused by the HVAC unit, ventilation system, exhaust system, controls, refrigerant circuit, chilled water system, or other related mechanical deficiencies.

4. Contractor shall perform field verification of the following:

Existing electrical connections and compatibility with backup power.

ii. System compatibility with and capacity to operate on the existing on-site generator.

iii. Accurate square footage and load requirements of the serviced space.

iv. Existing refrigerant type, refrigerant circuit condition, piping configuration, controls, and equipment capacity.

v. Existing ventilation and exhaust system operation.

5. Contractor shall test and commission the upgraded HVAC system to verify proper operation and performance under expected EOC operational conditions.

6. Contractor shall provide complete documentation, including:

i. Equipment specifications.

ii. Operations and maintenance manuals.

iii. Startup reports.

iv. Testing and commissioning reports.

v. As-built documentation and supplemental documentation reflecting all modifications or upgrades.

7. All replacement equipment and components shall meet or exceed the original manufacturer’s specifications of the existing system.

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8. Main Unit – Carrier Chiller: Model No: 30RBF11054-LB7-3; Serial No:

4616Q84976.

i. Replace condenser coils due to identified leaks in existing coils.

ii. Replace all five (5) compressors, including associated thermal expansion valves (TXVs), line driers, seals, fittings, and required components.

iii. Recover existing refrigerant in accordance with EPA requirements.

iv. Flush refrigerant circuits as required.

v. Evacuate system to manufacturer-required vacuum level, not greater than 400 microns unless manufacturer requires a more stringent value.

vi. Provide new filters and refrigerant, R-410A or manufacturer-approved refrigerant compatible with the existing system.

vii. Leak test, pressure test, recharge, and verify system operation after repairs.

viii. Provide refrigerant recovery, disposal, and charging documentation.

9. Contractor shall diagnose and restore operability of the right-side chilled water pump. VFDs, starters, sensors, controls, valves, and related components shall be inspected, tested, repaired, or replaced as required to restore system operation.

10. Contractor shall field verify all dimensions, capacities, electrical requirements, refrigerant types, equipment compatibility, controls integration, structural support requirements, piping configurations, and operating conditions prior to procurement of materials or equipment. No additional compensation shall be provided for failure to properly field verify existing conditions.

11. Contractor shall provide operator training to Government personnel for all newly installed or repaired systems, controls, chillers, pumps, VFDs, and HVAC equipment.

12. Contractor shall perform all work in accordance with applicable WBDG, UFC, UFGS, ASHRAE, SMACNA, NFPA, NEC, EPA, OSHA, manufacturer requirements, and the most stringent applicable standard.

Contractor must replace any coolant in the system

1. Contractor must vacuum the system prior to replacing 400 Microns in the compressors and TXV & Line Drier as well as necessary components

2. Contractor must provide new filters and refrigerant (410A)

3. Contractor must flush the refrigerant circuit

4. Contractor must recover and replace refrigerant after testing

5. Contractor to diagnose and rectify for operability the Chill Water Pump on Right side. VFDs and other applicable components will need to be inspected and repaired as well.

B. Building 1256 Chiller Replacement -

1. Reference Chiller - CARRIER/ 30RBB0806203773 80 TON. Replacement must be equal or better than the existing unit’s factory specifications

2. Contractor shall field verify existing chiller capacity, electrical service, refrigerant type, piping, controls, valves, pumps, gauges, supports, clearances, and tie-in requirements prior to procurement.

3. Contractor shall inspect, test, rebuild, repair, or replace chiller pumps as required. Inspection shall include GPM flow verification, AMP draw, bearing noise, vibration, mechanical seals, pump alignment, site conditions, and compliance with applicable WBDG, UFC, UFGS, and manufacturer requirements.

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4. Contractor shall recover, replace, and/or dispose of existing refrigerant in accordance with EPA requirements.

5. Contractor shall verify in the field and meet all new chiller replacement requirements, including valves, coils, compressors, piping, controls, electrical connections, and support requirements.

6. Return fan shall be diagnosed, repaired, tested, and restored to operational condition.

7. Inside mechanical room systems shall have actuators evaluated and integrated for compatibility with the future Base Control System.

8. If the new chiller requires a new pump, Contractor shall provide and install a properly sized pump compatible with the new system.

9. Existing pumps shall be rebuilt where feasible. If the pump is not rebuildable, replacement shall be equal to or better than the existing unit’s factory specifications.

10. Contractor shall ensure the new chiller is capable of tying into the future Base Control System.

11. Contractor shall diagnose the return air system, including motor, controls, and related components, and restore full operability.

12. Contractor shall reconnect all required piping, valves, gauges, controls, insulation, and accessories for a complete and operational system.

13. Contractor shall perform startup, functional testing, commissioning, and provide final testing documentation.

C. Building 1257 Whole Package Unit Swap

1. Reference TRANE Model No. TSC090A3E0A30000000000000

2. Reference Serial No. 934100119L.

3. Reference Ordering No. TSC090A3E0A0000.

4. Replacement must be equal to or better than the existing unit’s factory specifications.

5. Contractor shall field verify building square footage, equipment capacity, electrical requirements, ductwork configuration, unit curb/stand condition, controls, refrigerant requirements, and service clearances prior to procurement.

The serviced warehouse area is approximately 500 square feet.

6. Balancing as required new equipment and any installation create airflow deficiencies.

7. Contractor shall replace ductwork connections with properly sized and sealed duct connections compatible with the new unit.

8. Contractor may reuse the existing stand if it is structurally sound and compatible with the new unit. If not compatible, Contractor shall provide a new stand or required modifications for proper installation.

9. Contractor shall ensure ductwork is correctly aligned, sealed, supported, and insulated as required after the package unit replacement.

10. Contractor shall provide equipment specifications, maintenance manuals, startup reports, warranty documentation, and as-built information.

11. Contractor shall test and verify full system operation after installation.

D. Building 1258 Variable Frequency Drive (VFD) Replacement

1. Reference Model: Toshiba E3

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2. Contractor shall field verify existing VFD make/model, motor data, voltage, phase, horsepower, wiring, controls, disconnects, bypass requirements, and Direct Digital Controls (DDC) interface requirements.

2. Replacement VFD must be equal to or better than the existing unit’s factory specifications.

3. Contractor shall furnish, install, program, test, and commission the replacement

VFD.

4. VFD shall be programmed to communicate with the HVAC Direct Digital Controls system.

5. Contractor shall verify start/stop, speed control, safeties, alarms, and control sequences.

6. Contractor shall provide VFD programming data, wiring diagrams, startup reports, and O&M manuals.

E. Building 1258 Main Unit repairs

1. Both chilled water pumps shall be inspected, tested, rebuilt, repaired, or replaced as required to restore proper operation.

2. Both compressors on Circuit B shall be replaced, including associated TXVs, line driers, seals, fittings, refrigerant, and required components.

3. Isolation valves on the chiller unit shall be evaluated and replaced where defective, leaking, or inoperable.

4. AHU-1 blower wheel and bearings shall be evaluated, repaired, or replaced as required.

5. Repair by replacement evaporators and coils.

6. Contractor shall recover refrigerant, flush circuits as required, evacuate system, leak test, recharge, and verify operation in accordance with manufacturer and EPA requirements.

7. Contractor shall perform startup, testing, and commissioning after completion of repairs.

8. Contractor shall provide all testing reports, refrigerant logs, startup reports, and closeout documentation.

F. Building 1362 HVAC System replacement for SIM Area

1. Reference Make/Model numbers for both of the current systems: STULZ

2. Reference Current System: 407C

3. Replacement must be equal or better than the existing unit’s factory specifications

4. SIM Room Liebert/STULZ-type systems have multiple issues and refrigerant leaks and shall be replaced.

5. Contractor shall provide new refrigerant system using R-454B or the latest code-compliant refrigerant approved by the equipment manufacturer.

6. Contractor shall field verify room heat load, equipment load, redundancy requirements, electrical service, controls, condensate routing, refrigerant piping, clearances, and equipment support requirements.

7. Balancing shall be required.

8. Contractor shall test and verify the new system operates as intended and maintains required SIM room environmental conditions.

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9. Contractor shall provide specifications, maintenance manuals, startup reports, TAB report, commissioning report, warranty documentation, and as-built documentation.

10. Contractor shall coordinate equipment selection with the Government prior to procurement.

G. Building 1362 Main Unit

1. Both condenser coils shall be repaired by replacement.

2. Contractor shall evaluate existing compressors for physical integrity, electrical condition, refrigerant circuit condition, oil condition, amp draw, operational capability, and overall functionality. Repair by replacement.

3. Unit shall be restored to full operational capability based on existing system design capacity, approximately 60 tons. Contractor shall field verify actual capacity and manufacturer requirements.

4. Replacement components must be equal to or better than the existing unit’s factory specifications.

5. Contractor shall inspect, test, rebuild, repair, or replace pumps as required. Pump evaluation shall include GPM, AMP draw, bearing condition, seals, vibration, and alignment.

6. Contractor shall perform refrigerant recovery, leak testing, evacuation, charging, startup, and commissioning.

7. Contractor shall provide all required documentation, including startup reports, refrigerant logs, test reports, and O&M manuals.

H. Building 1362 Main Unit VFD Replacement or repair

1. VFD Drive Current Make/Model: Unknown. Contractor shall field verify.

2. VFD shall be diagnosed and either repaired or fully replaced if determined to be irreparable.

3. The VFD shall be programmed and integrated with the HVAC Direct Digital

Controls (DDC) system.

4. Replacement VFD must be equal to or better than the existing unit’s factory specifications.

5. Contractor shall verify motor compatibility, voltage, phase, horsepower, control wiring, safeties, alarms, and sequences of operation.

6. Contractor shall test and commission the repaired or replaced VFD.

7. Contractor shall provide programming data, wiring diagrams, startup report, and

O&M manuals.

I. Building 1362 Main Unit Hot Water Pumps Replacement

1. Reference Boiler Make/Model: Knight Boiler. Replacement pump must be equal to or better than the existing unit’s factory specifications.

2. Contractor shall replace the hot water circulation pump serving the building heating water system. This is not a heat pump replacement.

3. Contractor shall field verify pump size, GPM, head pressure, voltage, phase, piping, valves, supports, access requirements, and safe removal procedures.

Pump is approximately 10 feet above finished floor with approximately 3 feet of clearance.

4. Contractor shall provide all required lifts, rigging, safety equipment, isolation, draining, reconnection, insulation repair, startup, and testing.

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5. Contractor shall inspect and diagnose the insulated cold water pumps and provide findings to the Government.

6. Contractor shall verify proper heating water flow and boiler system operation after pump replacement.

J. Building 1377 DFAC VFD Replacement

1. Current Make/Model of VFD Drives: Unknown. Contractor shall field verify.

Replacement VFDs must be equal to or better than the existing unit’s factory specifications.

2. Three (3) VFDs shall be diagnosed, reprogrammed, repaired, or replaced as required to ensure proper operation.

3. Contractor shall lower VFDs to floor level where feasible as directed by the Government. If VFDs cannot be lowered, Contractor shall provide controls at ground level for safe maintenance access. Proposed relocation area is the old dishwashing area. Contractor shall field verify final location with the Government.

4. Contractor shall test and verify full operability of each VFD.

5. VFDs shall be programmed to communicate with the HVAC Direct Digital Controls

(DDC) system.

6. Contractor shall provide specifications, maintenance manuals, wiring diagrams, programming data, startup reports, and commissioning documentation.

7. Contractor and licensed Professional Mechanical Engineer shall field verify existing conditions, equipment requirements, access limitations, electrical requirements, controls integration, and final installation approach prior to procurement.

K. Building 1382 Controls repair

1.…