This Government Contract opportunity from Mississippi was posted on July 14, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Plumbing and Piping Systems Installation

Closed

State & Local

Submission Closed07/29/2026, 06:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 238220

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ESJC – FIRE EXTINGUISHER SERVICES

Solicitation # esjc-fire-extinguisher-services

This subcontracting opportunity seeks qualified small businesses to provide quarterly fire extinguisher inspection and servicing services at the Excelsior Springs Job Corps Center in Missouri, with a total of 175 extinguishers across campus buildings and center-owned vehicles requiring routine checks and replacement when needed. The contract is structured as a fee-for-service arrangement under a Request for Quotation, with bidders required to submit a completed Bid Sheet detailing cost breakdowns, proposed service schedules, Missouri-specific licensing and credentials, and all mandatory vendor documentation including Form W-9, Vendor Acknowledgement Form, FFATA Notice, and Anti-Lobbying Certification. The solicitation is reserved exclusively for small businesses under multiple SBA-designated set-asides including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone, Veteran-Owned, and Service-Disabled Veteran-Owned Small Business categories, with NAICS code 238220 applying. The contracting entity, Education & Training Resources (ETR), requires full compliance with federal regulations including FAR 52.209-6 (debarment certification), FAR 52.222-41 (Service Contract Act), FAR 52.203-11 (Anti-Lobbying Certification), and FAR 52.222-55 (minimum wages under EO 14026), and mandates that the winning bidder maintain an active SAM.gov registration with a Unique Entity ID. Performance begins October 1, 2026, and runs through September 31, 2027, with services scheduled four times annually and deliverables due F.O.B. destination. All work must adhere to the current National Electrical Code, NFPA 101 Life Safety Code, applicable OSHA standards, and state and local building regulations, and contractors must provide inspection tags for each extinguisher, supply full and charged replacements, and submit signed punch lists and warranties for payment. Payment terms stipulate payment within 30 days of invoice submission, and the award will be determined by the best overall value, not necessarily the lowest bid. Contractors must obtain appropriate bonding based on project value, carry commercial liability, automobile, workers’ compensation, and builders risk insurance, and strictly comply with center security rules prohibiting fraternization, tobacco, alcohol, drugs, and firearms on campus. A site visit is required prior to bid submission, all responses must be received by 12 PM CST on August 14, 20

ETR/Excelsior Springs Job Corps

POSTED

DEADLINE

IE JCC HVAC Replacements

Solicitation # ie-jcc-hvac-replacements

This is a fixed-price, single lump sum subcontracting opportunity managed by Management & Training Corporation (MTC) on behalf of the U.S. Department of Labor for HVAC replacements at the Inland Empire Job Corps Center in San Bernardino, California. The scope of work includes furnishing and installing three new packaged HVAC units with gas heating at ground-level or rooftop locations, removing and properly disposing of existing units in compliance with EPA refrigerant recovery regulations, reconnecting and modifying existing gas piping and ductwork, installing new electrical disconnects and programmable thermostats, and conducting full startup, testing, and commissioning—including verification that the fresh air intake damper activates during fire events. All work must adhere to Title 24, the 2024 International Mechanical Code, the 2024 International Energy Conservation Code, and ASHRAE 90.1-2022. The contractor must provide manufacturer warranties, operation and maintenance manuals, disposal and recycling documentation, and complete closeout deliverables. The project must be completed within 100 consecutive business days after receiving a Notice to Proceed, following a mandatory onsite pre-construction meeting to finalize start and completion dates. The solicitation is set aside exclusively for small business concerns including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone businesses, Veteran-Owned Small Businesses, and Service-Disabled Veteran-Owned Small Businesses, with NAICS code 238220. Offerors must hold a Unique Entity Identifier (UEI) and provide a Tax ID and DUNS number. Bids are due by August 7, 2026, at 3:00 p.m. PT and must be submitted via email to three designated contacts, along with a fully completed MTC Bid for Lump Sum Contract form, detailed cost breakout covering materials, labor with apprenticeship documentation, equipment specifications, and all associated fees. A physical site visit and signed attendance roster are mandatory. A bid bond of 20% is required if the bid is $25,000 or higher, and if awarded, performance and payment bonds equaling 100% of the contract value must be submitted. Contractors must maintain liability insurance of $1 million per occurrence and $3 million aggregate, auto insurance of $1 million, and workers' compensation of $500,000, with MTC and DOL named as additional insured. Weekly certified payroll reports, SF 1413 forms, compliance with prevailing wage

MTC Inland Empire Job Corps

POSTED

DEADLINE

Boiler replacement in IOOF and Administration

Solicitation # boiler-replacement-ioof-administration

Serrato Corporation DBA Flint Hills Job Corps is seeking a licensed HVAC contractor to replace three boilers across two buildings at the Flint Hills Job Corps Center in Manhattan, Kansas—two boilers in Building 1 (IOOF) and one high-efficiency boiler in Building 2 (Administrative/Academic). The project requires removal of two existing Peerless gas-fired boilers and installation of new units delivering 1,680,000 B.T.U. input and 1,344,000 B.T.U. output for Building 1, and a 94% efficient Energy Star certified boiler with 600,000 B.T.U. input and 572,000 B.T.U. output for Building 2. All work must comply with the latest editions of IBC, IMC, IPC, NEC, NFPA-72, NFPA 101, and IECC, alongside federal regulations including EPA standards 40 CFR 761 and 40 CFR 61 Subpart M, and OSHA 29 CFR 1926. The contractor must secure all local permits, maintain current licensing, and adhere to strict site conduct rules including prohibitions on fraternization, alcohol, drugs, and firearms. A qualified commissioning agent must verify control system functionality, and all work is subject to the Davis-Bacon Act wage determination. The contract includes a ten-year warranty on boiler heat exchangers, two-year warranty on all other parts, plus a one-year workmanship warranty and a mandatory one-year preventive maintenance agreement. Contractors must submit detailed pricing with labor breakdowns, materials, and total costs, along with a W-9 and DUNS number. Substantial completion is expected within 60 days of Notice to Proceed, with full contract close-out within 90 days, and all tasks must conclude no later than 120 calendar days after NTP. The Center must be named as both Certificate Holder and Additional Insured on liability coverage. Proposals are due by August 13, 2026, and selection will be based solely on price and price-related factors, with material compliance serving as a mandatory pass/fail gate. Performance is to occur at 4620 Eureka Drive, Manhattan, KS, with work confined to weekdays from 8 a.m. to 5 p.m. and strict restrictions on use of Center facilities.

Serrato Corporation DBA Flint Hills Job Corps

POSTED

DEADLINE

Keystone Lincoln Dorm Water Heater Repair

Solicitation # keystone-lincoln-dorm-water-heater-repair

The contract is for the repair of a hot water heater located in the Lincoln dormitory at the Keystone Job Corps Center in Drums, Pennsylvania. The equipment to be repaired is an AquaPlex Turbopower 96, Model #100L400A-TPX with serial number F008076, and the repair must include replacement of specific components: the blower motor assembly, gas valve, hot surface ignitor, ignitor gasket, and electrode flame rod. The work is subject to Davis Bacon wage requirements, and certified payroll documentation must be submitted to ensure compliance with federal labor standards. Offerors must be registered and active on Sam.gov and are required to submit bids with labor and materials costs clearly separated. The solicitation is set aside exclusively for small business concerns, including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone Small Business, Veteran-Owned Small Business, and Service-Disabled Veteran-Owned Small Business as defined by the SBA. The North American Industry Classification System code for this procurement is 238220, indicating it falls under plumbing, heating, and air-conditioning contracting. The place of performance is confirmed as Drums, Pennsylvania, but the period of performance, delivery schedule, and FOB terms are not specified. No pricing schedule, contract value estimate, or evaluation factors for award are provided, and there is no indication of whether the award will be based on lowest price technically acceptable or best value. All documentation referenced in the scope of work does not include attached exhibits, packaging requirements, inspection criteria, or detailed proposal submission instructions beyond the separation of labor and materials and Sam.gov registration. The solicitation was posted on August 6, 2026, with a response deadline of August 14, 2026, and the point of contact for inquiries is Jennie Drumheller at Adams & Associates Keystone Red Rock Job Corps.

Adams & Associates Keystone Red Rock Job Corps

POSTED

DEADLINE

PCJCC HVAC Replacement Bldg Two

Solicitation # PCJCC-HVAC Replacement Bldg Two

This is a subcontracting opportunity issued by Exceed Corporation LLC, operating the Pinellas County Job Corps Center in St. Petersburg, Florida, for the replacement of two outdoor condenser units at Building Two. The scope requires a licensed HVAC contractor to remove and dispose of two existing condensing units—CU-2-1 (20 ton) and CU-2-2 (15 ton), including the full length of refrigerant line-sets—and recover R-22 refrigerant for recycling or offsite disposal in accordance with EPA and ASHRAE 15 guidelines. New commercial-grade split condensing units must be installed using non-ozone-depleting A2L refrigerants such as R-32 or R-454B, meeting Energy Star and Federal Energy Management Product (FEMP) standards. The work includes removing the DX cooling coil from the existing VAV Air Handling Unit (AHU-2-2), installing a new OEM DX cooling coil, supplying and installing new insulated refrigerant line-sets, filter dryers, refrigerant accumulators, sight glasses, and thermostatic expansion valves, as well as providing new NEMA 3R electrical disconnects, conduit, and wiring. The contractor must also verify or install duct-mounted smoke detectors in compliance with NEC, NFPA 90A, and NFPA 72. All work must adhere to the latest IMC, IPC, SMACNA, and NEC codes and manufacturer installation requirements. A mandatory site visit must be completed before submitting a bid, and all proposals must be submitted no later than 5:00 p.m. on August 7, 2026; late submissions will not be accepted. Proposals must include complete pricing for installation, removal, and all ancillary costs. The contractor is required to provide a minimum five-year warranty on compressors and a one-year warranty on parts and labor. The solicitation is open to small business concerns, including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone Small Business, Veteran-Owned Small Business, and Service-Disabled Veteran-Owned Small Business, as set aside under SBA regulations. All entities must be EEO compliant. The place of performance is 500 22nd Street South, St. Petersburg, FL 33712, and all communications and scheduling inquiries must be directed to Angelia Richardson, Finance & Administration Director, at 727-551-299

Exceed, LLC dba Pinellas County Job Corps Center

POSTED

DEADLINE

2026-Maui-Dorm Exhaust Fans

Solicitation # 2026-maui-dorm-exhaust-fans

This subcontracting opportunity with Management and Training Corporation (MTC) for the Hawaii Job Corps Center on Maui involves the removal and replacement of approximately 25 exhaust fans across three dormitories, with full scope including safe removal and disposal of existing units, installation of approved new fans, restoration of damaged drywall and plaster to match existing finishes, and comprehensive site cleanup. All work must comply with local regulations and professional standards, and the contractor is responsible for obtaining necessary permits, adhering to MTC’s strict shipping and packaging guidelines, and providing two complete operation and maintenance manuals with product data, parts lists, and maintenance requirements. A minimum of two hours of on-site training for facility personnel is mandatory, and all work must be inspected and accepted by MTC’s Maintenance Supervisor or designee, including a formal punch list process prior to final acceptance. The contract type is a fixed-price, single lump sum, with performance occurring at 500 Ike Drive, Makawao, HI 96768, and work must commence within five business days of the agreed-upon start date confirmed during a mandatory pre-construction meeting. The solicitation is exclusively reserved for small business set-asides including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone, Veteran-Owned, and Service-Disabled Veteran-Owned Small Business, with NAICS code 238220 applying. Bidders must submit a detailed cost breakout on company letterhead covering materials, labor with categories and rates, equipment, associated fees, bonds, subcontractor costs, overhead, profit, and other direct or indirect costs. A signed MTC bid form, completed Supplier Packet including W-9, proof of insurance, three references for comparable projects, and mandatory site visit documentation are required. If the bid exceeds $25,000, a 20% bid bond and 100% performance and payment bonds from an A-rated surety are required, along with general liability coverage of $1 million per occurrence and $3 million aggregate, auto liability of $1 million, workers’ compensation of $500,000, and professional liability of $1 million per occurrence and $3 million aggregate. Contractors must comply with federal wage requirements under Executive Order 13658, submit weekly certified payrolls, post required labor notices, and adhere to DOL data protection protocols including reporting privacy breaches within one hour. All offerors must provide a unique entity identifier (UEI), DUNS number, and

Management & Training Corporation

POSTED

DEADLINE

HVAC Units Replacement in 3 dormitories

Solicitation # 26-134

The solicitation requires the replacement of twenty HVAC units across three dormitory buildings at the Atterbury Job Corps Center in Edinburgh, Indiana, with all work performed under a single lump sum contract. The project involves replacing nine packaged gas-fired HVAC units at 1095 MLK, nine at 1094 RFK, and two condensing units at 1963 LBJ, all of which have failed due to excessive wear, environmental damage, or mechanical issues. New units must be 12.5 SEER packaged units using non-R22 refrigerants such as R-410A or R-454B, and contractors are required to reuse existing electrical disconnects, ductwork, and thermostat wiring. All removed equipment from 1094 and 1095 must be left at the maintenance building for disassembly and parts recovery, and any recovered refrigerant must be properly labeled and turned over to site maintenance. Compliance with EPA and OSHA standards is mandatory, as is conformity with state and local building codes. The work must be completed within a timeline submitted with the bid, beginning no later than fourteen days after receipt of the Notice to Proceed, with all punch list items resolved within fourteen days of substantial completion. A one-year workmanship guarantee is required, and contractors must provide training, operating manuals, and keys prior to acceptance. Only vendors who attend the mandatory bid conference are eligible to submit proposals, which must be submitted by August 7, 2026, at 3:00 PM via email to Tammy Swallows at Purchasing.Atterbury@adamsaai.com. Proposals must be typed on official company letterhead and include a detailed cost breakdown of labor, materials, equipment, and incidental expenses, along with the total lump sum price. Required documentation includes a completed SF-1413, W-9, SAM.gov Wage Determinations printout, Vendor Questionnaire with DUNS#, Small Business Certification if applicable, copies of all insurance certificates, state of Indiana contractor license, and proof of a 90-day bid guarantee. Insurance requirements include $1 million general liability, $200,000 per person/$500,000 per occurrence automobile liability with Adams & Associates as additional insured, and workers’ compensation meeting state statutory limits. Contractors must comply with Davis-Bacon wage determinations, display the DOL WH-1313 poster, and adhere to strict security and conduct rules

Adams & Associates, Inc.

POSTED

DEADLINE

RFQ#3857 Freezer Door Replacement

Solicitation # RFQ#3857

This subcontracting opportunity with Management & Training Corporation (MTC) for the Charleston Job Corps Center in Charleston, West Virginia, seeks a qualified contractor to replace three walk-in refrigeration doors—one cooler and two freezers—through a fee-for-service arrangement. The scope requires full labor, materials, equipment, transportation, supervision, and incidental services to remove and dispose of the existing doors, install new units with all necessary hardware including hinges, latches, gaskets, closers, and thresholds, and ensure proper operation through testing and alignment to maintain an airtight seal. The work must comply with OSHA safety standards, applicable refrigeration and building codes, and all DOL-mandated requirements including privacy breach notification within one hour of discovery, mandatory training, and records management. The contractor must adhere to strict shipping instructions from MTC, properly package materials under commercial standards, and forward signed bills of lading when using third-party carriers. The solicitation, issued under RFQ#3857, is set aside for small business categories including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone, Veteran-Owned, and Service-Disabled Veteran-Owned Small Business, with NAICS code 238220 applying a $19 million size standard. Bidders must self-certify their socioeconomic status and provide a W-9, Unique Entity Identifier, DUNS number, and tax ID. First-tier subcontractors exceeding $30,000 must disclose debarment or suspension status per FAR 52.209-6, and all parties must comply with the Service Contract Labor Standards wage determination WD#2015-4347 (Rev 29). Insurance requirements include $1 million general liability per occurrence and $3 million aggregate, $1 million auto coverage, and $500,000 workers’ compensation, with MTC, DOL, and Charleston Job Corps named as additional insured and certificate holders. Invoicing must occur weekly or bi-weekly with detailed line items, purchase order numbers, and pricing breakdowns, and payment terms are to be specified by the bidder. Proposals must be submitted via email to Wendy Lawrence no later than 3:00 PM EST on August 17, 2026, and must include a bid sheet, supplier packet, three references for similar projects, and proof of insurance. Award will be based solely on best value as determined by MTC, with final acceptance contingent

Management & Training Corporation

POSTED

DEADLINE

HVAC Units Replacement in Culinary Arts

Solicitation # 26-133

Only vendors who attend the mandatory bid conference will have their proposals considered for the replacement of a pad-mounted packaged gas-fired HVAC unit at the Atterbury Job Corps Center in Edinburgh, Indiana. The existing unit, a Bryant model 580JP08D180G2A0AAA with a 7.5-ton cooling capacity and R-410A refrigerant, installed in March 2010 and compromised by a failed heat exchanger, must be replaced with a new 12.5 SEER packaged unit using modern refrigerants such as R-410A or R-454B. The new unit must integrate with existing electrical disconnects, ductwork, and thermostat wiring, and all work must comply with state and local codes, the national building code, and Indiana regulations where more stringent than federal standards. The contractor is required to adhere to EPA and OSHA regulations, post the Department of Labor’s WH 1313 notice, and ensure employees are informed of applicable minimum wage determinations under the Davis-Bacon Act. Bid proposals must be submitted as a single lump sum covering all labor, materials, equipment, and incidental costs, accompanied by a detailed cost breakdown on official company letterhead, including Scope of Work ID 26-133, project description, requirements, and total cost. Proposals must also include a completed vendor questionnaire with DUNS number, W9 form, proof of Indiana contractor’s license, copies of insurance certificates naming Adams & Associates, Inc. and the Atterbury Job Corps Center as additional insureds, Small Business Certification if applicable, a timeline for substantial completion, references, material safety data sheets, and a list of reused components. A minimum 90-day bid guarantee is mandatory, and insurance must include $200,000 per person / $500,000 per occurrence automobile liability, $1,000,000 per occurrence general liability, and workers’ compensation meeting Indiana statutory limits. The work must commence within 14 days of the Notice to Proceed and be fully completed, including punch list corrections within 14 days of substantial completion, with all workmanship guaranteed for one year. Substantial completion requires written notice seven days in advance and a walk-through by the Contracting Officer or designee; final acceptance requires submission of consent of surety, lien releases, certified payroll records, SF 1413 form, and subcontractor release of claims. Payment

Adams & Associates, Inc.

POSTED

DEADLINE

Plumbing and Gas Line Repair

Solicitation # plumbing-gas-line-repair

The contract titled Plumbing and Gas Line Repair is a fixed-price, single lump sum solicitation issued by Management & Training Corporation on behalf of the U.S. Department of Labor for work at the Earle C. Clements Job Corps Center in Morganfield, Kentucky. The scope requires correction of plumbing and gas system deficiencies to comply with the International Plumbing Code and fuel gas safety standards, including specific repairs to gas lines at Building 305, installation of backflow preventers at Buildings 607 and 701, and relocation of water piping away from electrical panels in Building 610. The contractor must supply all labor, materials, equipment, supervision, and incidentals, perform pressure and leak testing, restore affected areas, and deliver two complete operation and maintenance manuals with manufacturer warranties and guarantees. A minimum of two hours of on-site training for facility personnel is mandatory. Work must be completed within 60 consecutive business days after receiving a written Notice to Proceed, with a required pre-construction meeting and commencement within five business days of the agreed start date. The contract value is estimated between $0 and $25,000, with bid bonding and performance/payment bonds required if the bid equals or exceeds $25,000, and insurance requirements include $1 million general liability per occurrence, $1 million auto coverage, and $500,000 worker’s compensation. All offerors must be registered with a Unique Entity Identifier and provide a nine-digit tax ID and DUNS number. The procurement is set aside for small businesses including small disadvantaged, women-owned, veteran-owned, HUBZone, and service-disabled veteran-owned small businesses, requiring mandatory self-certification under FAR 52.219-8. First-tier subcontractors with awards over $30,000 must disclose any debarment status under FAR 52.209-6, while all contractors and subcontractors performing construction work must submit a fully executed SF 1413 form to certify compliance with construction wage payment requirements. Certified weekly payroll records are mandatory, and prevailing wage obligations under Executive Order 13658 must be met. Contractors must provide three comparable project references, submit bids via email by August 10, 2026, using the MTC bid form signed by an authorized official, and include a detailed cost breakdown on company letterhead covering materials, labor, equipment, permits, overhead, profit, and subcontractor costs. Safety protocols require submission

Earle C. Clements Job Corps Center

POSTED

DEADLINE

HVAC Units Replacement @ Facility Engineering Building

Solicitation # 26-132

The solicitation is for the replacement of an existing furnace with a bad heat exchanger and rust damage at the Atterbury Job Corps Center in Edinburgh, Indiana, requiring the installation of a new 12.5 SEER condensing unit using modern refrigerants such as R-410A or R-454B, along with an air conditioner, AC disconnect, wiring, and a dedicated breaker. All work must comply with applicable state and local codes, including Indiana regulations which take precedence over federal standards when more stringent, as well as current EPA and OSHA requirements. Installation must include provision of operating and maintenance manuals, training, and keys, and the contractor must complete a substantial completion walk-through confirmed by the center’s representative. The project is a single lump sum contract requiring a detailed cost breakdown for labor, materials, equipment, and all incidental expenses, with payment terms of Net 30. Only vendors who attend the mandatory pre-bid conference and site visit on July 28th, 2026, are eligible to submit bids, and proposals must be submitted by August 7th, 2026, at 3:00 PM via email to Tammy Swallows at Purchasing.atterbury@adamsaai.com on official company letterhead. The contract is set aside for small businesses, including Small Disadvantaged, Women-Owned, HUBZone, Veteran-Owned, and Service-Disabled Veteran-Owned Small Businesses, with required certifications including Small Business Status, W9, Vendor Questionnaire with DUNS#, and Davis-Bacon Act wage rate compliance. Bidders must provide proof of licensing in Indiana, insurance coverage including $1,000,000 general liability, $200,000/$500,000 auto liability, and state-mandated workers’ compensation, with Adams & Associates, Inc. and Atterbury Job Corps Center named as additional insureds. A 90-day bid guarantee is required, and the award will be based on best value, weighing price at 60%, quality at 20%, past performance at 10%, and schedule at 10%, with the lowest price not guaranteeing award. Contractors must adhere to strict site conduct rules including no fraternization with staff or students, no transport or consumption of alcohol or drugs, and no firearms on site. Final payment requires submission of consent of surety, release of liens, certified payroll records, SF-1

Adams & Associates, Inc.

POSTED

DEADLINE

Infrastructure - Invitation to Bid - Spence Steam regulator replacement

Solicitation # AB-2026-05515

Alberta Infrastructure is seeking bids for the supply and installation of two new Spence steam regulators through solicitation AB-2026-05515, managed by BGIS. The project involves replacing existing steam regulators at a location in Alberta, with all work to be performed on-site. The solicitation was posted on August 5, 2026, and responses are due by August 26, 2026, at 8:00 PM Mountain Time. Kelly Wambold, Operations Manager at BGIS, is the primary point of contact for inquiries, reachable via email at kelly.wambold@bgis.com. The contract requires qualified vendors to provide compliant equipment and skilled installation services meeting provincial infrastructure standards. Bidders must ensure all technical, safety, and scheduling requirements are met to successfully execute the replacement in a timely and regulatory-compliant manner.

Infrastructure

POSTED

about 13 hours ago

DEADLINE

in 21 days

AI Contract Overview

The contract pertains to the installation of potable water, sanitary sewer, and HVAC piping systems compliant with all applicable local and federal codes, under the NAICS code 238220 for plumbing, heating, and air-conditioning contractors. This is a subcontract opportunity issued by MPTAP through the Mississippi agency, with a posted date of July 14, 2026, and a response deadline of July 29, 2026. The work must be executed in accordance with established regulatory standards, ensuring safety, efficiency, and code adherence across all installed systems. While the specific location of performance is not detailed, the contracting entity is tied to Mississippi, and bidders must be prepared to meet all technical and regulatory requirements for plumbing and piping infrastructure. The solicitation is accessible via a public portal for interested subcontractors to review full details and submit proposals prior to the deadline.