Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, September 16 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

Wastewater Treatment Plant Construction (Civil/Structural)

Active

Federal

Response Deadline11/02/2026, 09:00:00 PM UTC

Contract Overview

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

AI Contract Overview

Show more

This subcontract opportunity with the Dsc Contracting Services Division of the Department of the Interior involves heavy civil construction and structural installation for wastewater projects at Grand Canyon National Park. The selected contractor will be responsible for site preparation, excavation, pouring reinforced concrete tanks and basins, and installing facility housing to deliver completed physical plant structures. The project requires the contractor to hold a local Arizona construction license and strictly adhere to National Park Service protocols for the protection of natural and cultural resources. Interested parties must submit their responses by November 2, 2026, under NAICS code 237990.

General Info

Wastewater construction at Grand Canyon National Park; Arizona license required; deadline November 2, 2026.

Agency

Department Of The Interior → Dsc Contracting Services DivisionView Agency

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

CO

Set-Aside

NONE

Documents

This scope was carved out of 140P2025R0093.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

PostedJul 20

subcontract

Response DeadlineNov 2

Submission deadline

Response Deadline

11/02/2026, 09:00:00 PM UTCin about 2 months

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyDepartment Of The Interior → Dsc Contracting Services Division

ContactsNo contacts available

OfficeN/A

Organization / Agency

Department Of The Interior → Dsc Contracting Services Division

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs heavy civil construction and structural installation for prime contractors on National Park Service wastewater projects at Grand Canyon National Park. Executes site preparation, excavation, pouring of reinforced concrete tanks and basins, and installation of facility housing. Requires Arizona local construction licensing and adherence to NPS natural/cultural resource protection protocols. Delivers completed physical plant structures and basins.

Similar Contracts

Same NAICS industry code

Provide Swing Gates Station BEQ's

Solicitation # N400857415686

Solicitation N400857415686 is for the removal and replacement of four drop arm gates with new swing arm gates at the Station BEQ and CDC Complex at Marine Corps Air Station Cherry Point in Havelock, North Carolina. The project includes the installation of 20 foot single swing gates and all incidental related work, including demolition, concrete, metals, signage, earthwork, pavement markings, and sodding. To maintain normal operations, gates 1 and 3 must be operational before work begins on gates 2 and 4. All work must be completed within 180 calendar days after the award. The contract is subject to the Davis-Bacon Act and Buy American requirements, with the government evaluating proposals based on the lowest price. Proposals are due by 1500 local time on September 16, 2026. Bonding requirements vary by proposal value, with no bonds required for amounts up to 35,000 dollars, payment bonds for amounts up to 150,000 dollars, and bid, payment, and performance bonds for amounts exceeding 150,000 dollars. Invoicing is processed through Wide-Area Workflow, and the contractor is required to maintain a quality control program and utilize accredited testing laboratories for concrete and material verification.

Bristol Alliance of Companies

POSTED

about 3 hours ago

DEADLINE

Sites Reservoir Project - Dams and Roads

Solicitation # sites-reservoir-project-dams-roads

The Sites Reservoir Project for Dams and Roads is a solicitation issued by Barnard Construction Company, Inc. for work located in Maxwell, Colusa, California. This opportunity is specifically set aside for Small Businesses under NAICS code 237990. The solicitation was posted on September 11, 2026, with a response deadline of September 23, 2026. Interested parties can contact the Sites Reservoir primary point of contact via email at sitesreservoir@barnard-inc.com or by phone at 406-586-1995.

Barnard Construction Company, Inc.

POSTED

about 3 hours ago

DEADLINE

North of River Sanitary District No. 1 WRRF Upgrades and Expansion

Solicitation # north-river-sanitary-district-no-1-wrrf-upgrades-expansion

Kiewit Infrastructure West Co. is soliciting sub-quotes for the North of River Sanitary District No. 1 WRRF Upgrades and Expansion project located in Bakersfield, California. The scope of work is extensive, encompassing civil and site work such as aggregates, trucking, asphalt paving, and piping; structural and finishing tasks including concrete reinforcing, masonry, roofing, and painting; and general electrical work. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system, with a bid deadline of September 17, 2026, at 10:00 a.m. Because the project is partially financed by the Water Infrastructure Finance and Innovation Act (WIFIA) administered by the EPA, it is subject to the American Iron and Steel (AIS) Provisions, the Davis-Bacon Related Acts, and DBE Program requirements. Eligible bidders include certified DBE, MBE, WBE, SBE, SBRA, LSFA, and HUB Zone small businesses. To be considered responsive, firms must possess a valid California Contractor’s license and provide acceptable insurance. Additionally, responsible subcontractors are required to provide bonding for 100% of their contract value, though Kiewit will reimburse the associated bond premiums.

Kiewit Infrastructure West Co.

POSTED

about 3 hours ago

DEADLINE

Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair

Solicitation # W9128A26BA002

Solicitation W9128A26BA002 is a firm-fixed-price contract issued by the U.S. Army Corps of Engineers Honolulu District for maintenance dredging and revetted mole repair at the Haleiwa Small Boat Harbor in Oahu, Hawaii. The project scope includes mobilization and demobilization, the dredging and ocean disposal of approximately 4,260 cubic yards of material to an approved offshore site south of Oahu, and comprehensive revetment repairs involving clearing, grubbing, stone rework, and vegetation removal. The estimated contract value ranges between 1,000,000 and 5,000,000 dollars, with a performance period of 200 calendar days from the receipt of the Notice to Proceed. This opportunity is set aside for HUBZone Small Businesses, who are eligible for a 10 percent price evaluation preference. Bidders must submit sealed physical bids by September 30, 2026, as electronic submissions are not permitted. Key requirements include the provision of performance and payment bonds, adherence to the Davis-Bacon Act, and the appointment of key personnel, including a Project Manager, Project Superintendent, Quality Control System Manager, and Site Safety and Health Officer. The contract stipulates liquidated damages of 2,297 dollars per calendar day of delay and requires a third-party qualified surveyor for pre- and post-dredge multi-beam hydrographic surveys to verify final quantities.

Healy Tibbitts Builders, Inc.

POSTED

about 3 hours ago

DEADLINE

HOFFMAN HILL RESERVOIR EXTERIOR RECOATING AND SEISMIC UPGRADES

Solicitation # hoffman-hill-reservoir-exterior-recoating-seismic-upgrades

The City of Dupont Washington is seeking a contractor for the Hoffman Hill Reservoir Exterior Recoating and Seismic Upgrades project, identified as G&O #26217. Located in Pierce County, Washington, this solicitation focuses on critical infrastructure improvements including exterior recoating and seismic upgrades to the reservoir. This opportunity is designated as a set-aside for Small Disadvantaged Businesses and Disadvantaged Business Enterprises under NAICS code 237990. Interested parties must submit their responses by the deadline of September 25, 2026. The primary point of contact for this project is Nayvi Waite with Resource Development Company LLC.

Resource Development Company LLC

POSTED

about 3 hours ago

DEADLINE

SuDS Installation Contractor

Leicester City Council

POSTED

about 17 hours ago

DEADLINE

PAN3522 - Green Bluse SuDS in Schools - Catherine School

Solicitation # PAN3522

Leicester City Council is soliciting proposals under solicitation number PAN3522 for the design and construction of sustainable urban drainage systems (SuDS) at Catherine Junior School in Leicester. The project aims to reduce surface water flood risk within the Willow Brook catchment area by implementing blue-green infrastructure, including the installation of swales, filter strips, bioretention areas, and detention basins, alongside tree planting and landscaping. Beyond flood mitigation, the initiative is designed to enhance biodiversity and provide improved outdoor learning and wellbeing opportunities for students and staff. The contract has an estimated value of 33,333.33 GBP excluding VAT and is specifically open to small and medium-sized enterprises. The period of performance is estimated to run for 11 months, from October 17, 2026, to September 16, 2027. Award decisions will be based on a weighted evaluation of 80 percent price and 20 percent quality. Interested parties must submit their electronic tenders via the ProContract portal by the deadline of September 28, 2026. Daniel Dasimaka serves as the primary point of contact for this procurement.

Leicester City Council

POSTED

about 17 hours ago

DEADLINE

Civil Works (Trenching & Site Restoration)

US Embassy Riga

POSTED

about 19 hours ago

DEADLINE

Site Preparation & Utility Infrastructure

W076 Endist Ft Worth

POSTED

about 19 hours ago

DEADLINE

Marine Dredging Services

Ceu PROVIDENCE(000G1)

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Station Umpqua River Floating Dock Repair

Solicitation # 70Z03326QSEAT0015

The Department of Homeland Security, through the U.S. Coast Guard Base Seattle, is soliciting bids for a firm-fixed-price contract to repair the floating pier at Station Umpqua River in Winchester Bay, Oregon. The project involves providing all personnel, equipment, and tools to remove deteriorated wooden whalers and hardware and install three layers of 4 by 12 inch wooden whalers, through rods, roller hoops, and an egress ladder, while reinstalling ten existing cleats. The estimated period of performance is from September 21, 2026, to October 22, 2026, with a required completion date of October 14, 2026. This is a total small business set-aside under NAICS code 237990. A mandatory site visit is scheduled for August 27, 2026, at 10:00 AM, and interested offerors must submit their attendee lists by August 26, 2026. Proposals are due by September 14, 2026, at 3:00 PM PST and must be submitted via email to the contracting officer. Submissions are limited to six pages and must include a completed SF 1442, a detailed price breakdown covering mobilization, materials, and labor, and a technical proposal detailing the approach and project schedule. Evaluation will be based on technical capability, past performance, and price, with technical capability being the most significant factor. Awardees must be registered in the System for Award Management and comply with Davis-Bacon Act wage determinations for Douglas County, Oregon.

Base SEATTLE(00033)

POSTED

about 19 hours ago

DEADLINE

KB Dock Piers Ladder Replacement

Solicitation # N0025326Q0009

The Naval Undersea Warfare Center Division Keyport is soliciting a firm-fixed-price construction contract, designated as RFQ N0025326Q0009, for the replacement of emergency pier ladders at KB Dock in Bangor, Washington, and the Keyport Main Pier in Keyport, Washington. The scope of work involves removing thirteen 20-foot ladder extensions and two upper ladder sections, and installing twelve new 20-foot aluminum ladders and two new upper ladder sections. All new hardware must be constructed from 6061 marine-grade aluminum with nonslip rungs. The estimated magnitude of the requirement is between $100,000 and $250,000, and the project is 100% set aside for small business concerns under NAICS code 237990. Award will be based on the Lowest Price Technically Acceptable (LPTA) method, evaluating technical capability, past performance, and safety records. Offerors must demonstrate at least three years of experience in commercial or industrial applications and provide a stable safety rating based on DART and TCR rates over the last five years. Key requirements include the provision of a Site Safety and Health Officer with a 30-hour OSHA construction safety certification and adherence to EM-385-1-1 safety standards, including the presence of a rescue boat during working hours. Bid bonds are required for proposals of $150,000 or more, and performance and payment bonds must be submitted within ten days of award. All proposals must be submitted digitally, and the contractor must maintain active registration in the System for Award Management.

Naval Undersea Warfare Center

POSTED

about 19 hours ago

DEADLINE

More opportunities from Department Of The Interior → Dsc Contracting Services Division

Same awarding agency

Y--LARO 258755 - Replace Dilapidated Docks and Fuel System, and Rehabilitate Parki

Solicitation # 140P2026R0003

Other Heavy and Civil Engineering Construction

POSTED

about 19 hours ago

DEADLINE

Y--Rehabilitation of Water and Wastewater System

Solicitation # 140P2026B0003

Solicitation 140P2026B0003 is a sealed bid invitation for bid issued by the National Park Service Denver Service Center for the rehabilitation of water and wastewater systems at the Curecanti National Recreation Area in Colorado. This total small business set-aside project focuses on replacing and upgrading critical infrastructure at Elk Creek and Lake Fork, including primary and secondary water distribution, wastewater collection, septic tanks, leach fields, and lift stations. The scope also encompasses electrical and mechanical upgrades, the installation of a supervisory control and data acquisition (SCADA) system for remote monitoring, and the creation of a potable water truck filling station. The estimated project value ranges from 5 million to 15 million dollars, with a performance period extending from July 20, 2026, to October 31, 2028. The contract will be awarded to the lowest responsible bidder based on a proposal consisting of five base line items and four optional line items. Key requirements include the submission of original bid bonds, the maintenance of comprehensive liability and workers compensation insurance, and the implementation of a written accident prevention plan compliant with OSHA standards. Technical specifications mandate adherence to various regulatory standards, including ADA compliance for entry ramps and specific cybersecurity protocols for facility equipment. Administrative requirements include electronic invoicing via the Treasury's Invoice Processing Platform and strict limitations on the substitution of key personnel during the first 120 days of performance. Bids must be submitted by 1400 local time on September 29, 2026.

Water and Sewer Line and Related Structures Construction

POSTED

about 19 hours ago

DEADLINE

Z--Yellowstone - Mammoth Water Line Replacement

Solicitation # 140P2026B0005

Solicitation 140P2026B0005 is a construction project for the National Park Service, Department of the Interior, to replace the water line in the Mammoth Housing Area of Yellowstone National Park, Wyoming. The project aims to re-establish a looped water system and ensure year-round water service to apartments. The scope of work includes installing approximately 750 linear feet of 6-inch HDPE water main and new water services to apartments, reconnecting and relocating fire hydrants, and rehabilitating or replacing faulty pressure-regulating valves. The estimated contract value ranges from 250,000 to 500,000 dollars, though it is currently noted as an unfunded requirement with a high expectation that funds will become available. This procurement is set aside for SBA Certified Women-Owned Small Businesses under NAICS code 237110, with a size standard of 45 million dollars. The estimated period of performance is 120 calendar days, which may include winter construction and weather-related shutdowns. Due to the rural location and the fact that the park remains open, contractors must implement unique material delivery logistics and schedule activities to minimize visitor impact. Bids are to be submitted via sam.gov by September 15, 2026, and will be opened and read according to FAR Part 14 procedures. The primary point of contact for this effort is Vicki Freese-Supler.

Water and Sewer Line and Related Structures Construction

POSTED

about 19 hours ago

DEADLINE

Marine Construction Material Supply

Nursery, Garden Center, and Farm Supply Stores

POSTED

DEADLINE

in about 2 months

Limestone Riprap Armoring

All Other Specialty Trade Contractors

POSTED

DEADLINE

in about 2 months

Marine Sheet Pile Wall Installation

Coastal and Great Lakes Passenger Transportation

POSTED

DEADLINE

in about 2 months

Traffic Control & Management Services

All Other Support Services

POSTED

DEADLINE

in about 2 months

Erosion Control & Site Clearing

Site Preparation Contractors

POSTED

DEADLINE

in about 2 months

Bridge Railing & Metal Restoration

All Other Specialty Trade Contractors

POSTED

DEADLINE

in about 2 months

Bridge Joint & Sealing Specialist

All Other Specialty Trade Contractors

POSTED

DEADLINE

in about 2 months

Stone Masonry Restoration

Poured Concrete Foundation and Structure Contractors

POSTED

DEADLINE

in about 2 months

Concrete Repair & Hydro-Demolition Specialist

Poured Concrete Foundation and Structure Contractors

POSTED

DEADLINE

in about 2 months

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 650+ contractors already using CLEATUS