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 30 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

Dewatering & Chamber Preparation

Active

International

Response Deadline10/20/2026, 05:00:00 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 for the Regional Municipality of York involves dewatering and chamber preparation services to support prime contractors. The scope of work includes pumping water from valve chambers and cleaning them using industrial pumps, hoses, and filtration systems to ensure they are dry and ready for inspection, repair, or construction. The contractor must strictly adhere to all environmental regulations regarding water discharge. This opportunity, identified under NAICS code 238910, was posted on September 24, 2026, with a response deadline of October 20, 2026.

General Info

Subcontract for dewatering and chamber preparation services for the Regional Municipality of York.

Agency

NAICS

238910 - Site Preparation Contractors

Place of Performance

CAN

Set-Aside

NONE

Documents

This scope was carved out of RFPQ-4048-26.

The full solicitation package (10 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Recommissioning of Woodbine Avenue Twin Forcemain

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PostedSep 24

subcontract

Response DeadlineOct 20

Submission deadline

Response Deadline

10/20/2026, 05:00:00 PM UTCin 25 days

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

AgencyYork Region

ContactsNo contacts available

OfficeN/A

Organization / AgencyYork Region

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs water removal and preparation of valve chambers for prime contractors on Regional Municipality of York projects. Pumps water from valve chambers and cleans chambers for inspection or repair using industrial pumps, hoses, and filtration systems. Requires adherence to environmental regulations for water discharge. Delivers dry and prepared valve chambers ready for construction work.

Similar Contracts

Same NAICS industry code

Irrigation and Landscaping SystemsThis subcontract for Irrigation and Landscaping Systems involves the implementation of irrigation infrastructure for prime contractors on City of Waco projects. The scope of work includes trenching for irrigation lines and the installation of piping, controllers, and sprinkler heads to support roadside greenery along improved ramp and sidewalk corridors. To qualify for this engagement, the contractor must hold an irrigation specialist certification as required by the City of Waco. The opportunity was posted on September 25, 2026, with a response deadline of October 21, 2026, falling under NAICS code 238910.

POSTED

about 7 hours ago

DEADLINE

Site Work & Paving SubcontractorThe Site Work and Paving Subcontractor opportunity is issued by the Bristol Alliance of Companies for projects located at JBLM. The selected subcontractor will be responsible for performing general earthwork, excavation, and the installation of exterior improvements, including paving and landscaping, to deliver a fully graded site and completed exterior surfaces for Washington Army National Guard facility projects. This subcontract falls under NAICS code 238910. Interested parties must submit their responses by the deadline of October 16, 2026. The project is managed through the Bristol - JBLM organization.

Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

Site Clearing and GrubbingFlatiron Dragados Constructors, Inc. is seeking a subcontractor for site clearing and grubbing services to support City of San Diego sewer and water main projects. The selected contractor will be responsible for removing vegetation, brush, and stumps to prepare the construction site for subsequent development. This subcontract opportunity is specifically set aside for Women-Owned Small Businesses and Disadvantaged Business Enterprises under NAICS code 238910. Interested parties must submit their responses by October 28, 2026.

Flatiron Dragados Constructors, Inc.

POSTED

about 7 hours ago

DEADLINE

in about 1 month

Earthwork and Site PreparationThis subcontract for Earthwork and Site Preparation involves providing selective demolition, subgrade preparation, and ditch channelization for street projects within the City of Waycross, Georgia. The contractor is responsible for utilizing excavators, graders, and dozers to establish a stable base for paving and managing water runoff through the creation of functional drainage ditches, all while adhering to the specifications set by Coastal Engineering Consultants Inc. The opportunity is categorized under NAICS code 238910 and was posted on September 25, 2026, with a response deadline of October 26, 2026. The primary objective of the contract is the delivery of a prepared subgrade and effective drainage systems to support prime contractors on municipal roadwork.

City of Waycross

POSTED

about 8 hours ago

DEADLINE

in about 1 month

Base Course Supplier/InstallerThis subcontract opportunity is for a base course supplier and installer to provide services for prime contractors on Los Angeles County Office of Education facility projects located in Downey, California. The selected provider will be responsible for supplying and installing crushed aggregate base, specifically utilizing 3/4 inch maximum size aggregates to create a 3/8 inch thick base. All work must be performed in accordance with Section 200 of the Standard Specifications for Public Works Construction regarding rock materials to ensure a properly compacted aggregate base layer for concrete slabs and pavement. The solicitation was posted on September 25, 2026, with a response deadline of October 16, 2026. This project falls under NAICS code 238910 and is managed by the Los Angeles County Office of Education. Interested parties must submit their responses by the specified deadline to be considered for this subcontracting role.

Los Angeles County Office of Education

POSTED

about 8 hours ago

DEADLINE

Grading and Excavation SubcontractorThis subcontract opportunity with the Los Angeles County Office of Education involves general exterior grading, excavation, and site preparation for facility projects located in Downey, California. The selected subcontractor will be responsible for rough grading of building areas and hillsides, trenching for essential utility lines including water, gas, irrigation, storm drain, and sewer, as well as the installation of shoring. Key deliverables include a compacted subgrade and a fully graded site. The contractor must provide necessary shoring calculations and ensure all environmental import and export materials undergo required testing. Interested parties must submit their responses by October 16, 2026.

Los Angeles County Office of Education

POSTED

about 8 hours ago

DEADLINE

Site Clearing and Demolition SubcontractorThis subcontract opportunity is for a Site Clearing and Demolition provider to support prime contractors on facility projects for the Los Angeles County Office of Education in Downey, California. The selected subcontractor will be responsible for removing vegetation, grass, shrubs, tree stumps, and brush, as well as dismantling fences, gates, and concrete or bituminous surfaces using cutting saws with a minimum depth of 1.5 inches. The scope of work requires the legal off-site disposal of all rubbish and debris in accordance with the Standard Specifications for Public Works Construction to ensure the site is fully cleared and ready for grading. Interested parties must submit their responses by October 16, 2026, under NAICS code 238910.

Los Angeles County Office of Education

POSTED

about 8 hours ago

DEADLINE

Site Preparation and Clearing ServicesThis subcontract for Site Preparation and Clearing Services involves performing clearing and grubbing operations for prime contractors on landslide projects within the City of Huntington, West Virginia. The scope of work includes the removal of trees, vegetation, existing fencing, inlets, drainage structures, and pavement to deliver a site fully prepared for construction. These operations require the use of heavy machinery for grubbing, specialized tree removal equipment, and hauling vehicles, all while adhering to the safety and stability standards mandated by the City of Huntington. The opportunity was posted on September 25, 2026, with a response deadline of October 6, 2026. Classified under NAICS code 238910, the contract is managed by the City of Huntington in West Virginia. Interested parties can find further details through the provided Bid Express solicitation link.

City of Huntington

POSTED

about 8 hours ago

DEADLINE

Demolition and Site ClearingThis subcontract for Demolition and Site Clearing, managed by ENGCONSTRUCT557 under the state of Illinois, involves the removal of plaza infrastructure for prime contractors on Illinois Tollway projects. The scope of work specifically includes the demolition of plaza canopies at Locations 2, 3, and 4, the removal of toll plaza median islands, and the clearing of plaza equipment using cranes and heavy demolition equipment to deliver a fully cleared site. The project falls under NAICS code 238910 and was posted on September 25, 2026. Interested parties must submit their responses by the deadline of November 13, 2026, at 4:30 PM.

ENGCONSTRUCT557 - Engineering - Construction

POSTED

about 9 hours ago

DEADLINE

in about 2 months

Trenching & ShoringThis subcontract opportunity with the City of Sacramento involves the design and installation of protective shoring systems for water infrastructure projects. The selected provider will be responsible for implementing sloping, shoring, sheeting, and bracing to prevent trench wall collapses and protect existing utilities, ensuring safe excavations for the installation of concrete structures. All work must strictly adhere to Cal/OSHA safety requirements for trenching. The project is categorized under NAICS code 238910 and is located in Sacramento, California. Interested parties must submit their responses by the deadline of October 21, 2026.

City of Sacramento

POSTED

about 9 hours ago

DEADLINE

Earthwork & ExcavationThis subcontract for Earthwork and Excavation focuses on structural excavation and earthwork for California state agency water infrastructure projects in Sacramento. The selected provider will work under prime contractors to execute subgrade preparation, the placement of base and bedding materials, backfill, and embankment fill using specialized equipment such as loaders, excavators, and compaction machinery. The project is managed by the City of Sacramento under NAICS code 238910. Interested parties must submit their responses by the deadline of October 21, 2026. The primary objective is the delivery of fully prepared subgrades and backfilled structures to support critical water infrastructure.

City of Sacramento

POSTED

about 9 hours ago

DEADLINE

Traffic Control ServicesThis subcontract opportunity for Traffic Control Services is issued by the City of Sacramento for water infrastructure projects within California state agencies. The selected provider will be responsible for delivering a maintained traffic safety zone by installing barricades and signage to protect pedestrians and drivers during demolition and construction activities. All work must be performed in strict accordance with ATSSA and Cal/OSHA safety standards. The project is located in Sacramento, California, under NAICS code 238910. Interested parties must submit their responses by the deadline of October 21, 2026.

City of Sacramento

POSTED

about 9 hours ago

DEADLINE

More opportunities from York Region

Same awarding agency

MECP Approved Waste DisposalThis subcontract opportunity with York Region involves providing waste disposal facilities for prime contractors working on wastewater projects. The selected provider must operate a facility approved by the Ministry of Environment, Conservation and Parks to accept and dispose of sewage debris, grease, and grit. The contractor is responsible for ensuring the legal disposal of all waste materials and must provide official disposal certificates and certified weigh bills. The response deadline for this solicitation is October 29, 2026.

Other Nonhazardous Waste Treatment and Disposal

POSTED

DEADLINE

in about 1 month

Sewage Waste Hauling ServicesThis subcontract for Sewage Waste Hauling Services involves the removal of grit, grease, and sewage debris from five pumping station sites for prime contractors on York Region wastewater projects. The service provider is responsible for transporting these materials to approved disposal facilities, such as the Duffin Creek WPCP, using specialized vacuum and dewatering bins. To ensure proper tracking and compliance, the contractor must provide transfer tickets and weigh bills for all materials delivered from the sites to the disposal facilities. The solicitation is managed by York Region under NAICS code 484220, with a response deadline set for October 29, 2026.

Specialized Freight (except Used Goods) Trucking, Local

POSTED

DEADLINE

in about 1 month

Wet Well and Sewage Pumping Station CleaningThis subcontract involves the physical cleaning of wastewater sewage pumping station wet wells for prime contractors on York Region projects. The scope of work includes the removal of grit, grease, and debris from cells, inlet channels, and bar-screen channels using high-pressure hot water washers and vacuum trucks with blowers of at least 2,500 L/s. The contractor is responsible for delivering cleaned wet wells along with completed Wet Well Cleaning Report Forms. To qualify for this work, personnel must hold Confined Space Entry certification and have completed AODA training. The opportunity is managed by York Region, with a response deadline of October 29, 2026.

Septic Tank and Related Services

POSTED

DEADLINE

in about 1 month

Supply Of All Labour, Materials And Equipment For The Provision Of Wet Well Cleaning Services At Five Sewage Pumping Stations In The Regional Municipality Of York

Solicitation # RFT-3523-26

The Regional Municipality of York is soliciting bids for the provision of all labour, materials, and equipment required for wet well cleaning services at five sewage pumping stations: Aurora, Newmarket, Black Creek, Leslie, and Humber. The contract is intended for a term of approximately five years, ending on December 31, 2031. The scope of work includes the removal of grit, grease, and other debris from wet wells, inlet channels, and bar-screen channels, as well as the washing down of below-ground floors and flooded mechanical equipment. All waste materials must be hauled and disposed of at Ministry of Environment, Conservation and Parks approved facilities. Bids must be submitted electronically through the Region's Bids and Tenders website by 1:00 p.m. EST on October 29, 2026. Mandatory submission requirements include a digital bid bond of at least 10% of the bid price and a digital undertaking to bond. The successful bidder will be required to provide a performance bond equal to 100% of the bid price. Evaluation is based on a three-stage process, with the award granted to the lowest-priced compliant bidder. Strict adherence to health and safety regulations is required, specifically regarding the Occupational Health and Safety Act and the Regional Corporate Confined Space Program. Contractors must provide a company health and safety policy and training certificates for all staff prior to commencing work. Additionally, bidders must attest to compliance with MECP approval document requirements for waste management and disposal systems to avoid rejection. Performance is monitored through standardized cleaning report forms and work order tracking, with the Region reserving the right to inspect all wet wells upon completion.

Septic Tank and Related Services

POSTED

DEADLINE

in about 1 month

Site Access & Civil Works (Temporary)This subcontract for Site Access and Civil Works involves the construction of temporary infrastructure to support prime contractors on projects within the Regional Municipality of York. The scope of work includes the development of temporary access roads and the establishment of organized staging and laydown areas utilizing aggregate and grading equipment. A critical requirement of the project is the implementation of necessary environmental protections during the placement of all roads to ensure compliance and sustainability. The opportunity is issued by York Region and is categorized under NAICS code 238910. Interested parties must submit their responses by the deadline of October 20, 2026, at 5:00 PM. The primary objective is the delivery of fully functional temporary roads and structured staging areas to facilitate efficient project operations.

Site Preparation Contractors

POSTED

DEADLINE

Confined Space Entry & Rescue ServicesThis subcontract for Confined Space Entry and Rescue Services supports prime contractors on projects within the Regional Municipality of York. The service provider is responsible for delivering safety oversight and emergency rescue readiness, which includes monitoring air quality, managing entry and exit logs, and providing standby rescue personnel. To ensure operational safety, the contractor must utilize specialized equipment such as gas detectors, tripods, harnesses, and ventilation blowers. Compliance with the Occupational Health and Safety Act and mandatory Confined Space Entry certification are required for all personnel. The opportunity is posted by York Region with a response deadline of October 20, 2026.

Security Systems Services (except Locksmiths)

POSTED

DEADLINE

Traffic Management & ControlThis subcontract for Traffic Management and Control is issued by York Region to provide comprehensive traffic control and management services for prime contractors operating on Regional Municipality of York projects. The scope of work involves implementing detailed traffic control plans in strict accordance with Ontario Traffic Manual Book 7, as well as the specific requirements of the Town of Georgina and the Region of York. To ensure safe traffic flow and secure site perimeter control, the provider will utilize a combination of signage, cones, barriers, flaggers, and specialized traffic control vehicles. The opportunity was posted on September 24, 2026, with a response deadline of October 20, 2026, at 5:00 PM. Classified under NAICS code 561990, the contract emphasizes full compliance with provincial safety standards to maintain operational security and public safety across all designated project sites.

All Other Support Services

POSTED

DEADLINE

Pressure Pipe Rehabilitation & InstallationThis subcontract for the Regional Municipality of York involves the installation and rehabilitation of twin wastewater forcemains connecting Joe Dales SPS to Keswick WRRF. The scope of work includes the management of 250mm diameter temporary forcemains and the delivery of fully commissioned, operational pressure pipes. Qualified contractors must possess specific experience with wastewater pressure pipe projects, particularly those located within environmentally sensitive areas. The project is categorized under NAICS code 237110, with a response deadline set for October 20, 2026.

Water and Sewer Line and Related Structures Construction

POSTED

DEADLINE

Recommissioning of Woodbine Avenue Twin Forcemain

Solicitation # RFPQ-4048-26

York Region is seeking to prequalify general contractors for the recommissioning of the Woodbine Avenue Twin Forcemains in the Town of Georgina. This project is the first step of a two-stage procurement process intended to establish a list of qualified contractors eligible to bid on the subsequent construction phase. The primary objective is to increase wastewater flow capacity for the Joe Dales Sewage Pumping Station service area by 2027. The scope of work includes construction management, permitting, and technical operations such as valve chamber dewatering, cleaning, flushing, swabbing, and CCTV inspections of the forcemains and chambers. The system consists of two forcemains, approximately 5,800 meters each, utilizing a mix of Concrete Pressure Pipe, HDPE, PVC, and Stainless Steel pipes with diameters between 400 mm and 600 mm. Submissions must be made electronically via the Region's Bids and Tenders website by October 20, 2026, at 1:00 p.m. EST; hard copy submissions will not be accepted. A mandatory requirement for all respondents is a valid Occupational Health and Safety Management System (OHSMS) certification, such as COR or ISO 45001:2018; failure to provide this will result in immediate rejection. Additionally, respondents must provide a Statement of Insurability for Commercial General Liability and Automobile Liability of at least 5 million dollars per occurrence, as well as a Surety Letter confirming bondability. The final selection will be based on a staged evaluation of mandatory requirements and rated criteria, including corporate profiles, reference project data, and key resource experience. Successful contractors in the second stage will be required to provide a performance bond for 100 percent of the contract price and a labour and material payment bond for 50 percent.

Water and Sewer Line and Related Structures Construction

POSTED

DEADLINE

Technical Data Analysis & Background ReviewThis subcontract for the York Region involves providing technical data analysis and background review services for prime contractors working on water projects. The selected provider will be responsible for gathering data, reviewing historical system records, and analyzing current water system performance using specialized technical tools. Proficiency in data analysis and technical writing is required to successfully execute these tasks. The primary deliverables for this engagement are the Background Review Report and the Data Analysis Summary (TM1). Interested parties must submit their responses by the deadline of October 20, 2026, for this project categorized under NAICS code 541620.

Environmental Consulting Services

POSTED

DEADLINE

GIS & Mapping ServicesThis subcontract for GIS and Mapping Services supports prime contractors on York Region water projects. The selected provider will be responsible for mapping water distribution assets, integrating GIS data into hydraulic models, and developing spatial visualizations using ArcGIS or QGIS. Key deliverables include updated GIS layers, integrated data sets, and spatial maps of the water system. To qualify for this role, the provider must hold a GIS Professional certification. The opportunity was posted on September 22, 2026, with a response deadline of October 20, 2026. This project falls under NAICS code 541370 and is managed by the York Region agency.

Surveying and Mapping (except Geophysical) Services

POSTED

DEADLINE

Hydraulic Modeling & Calibration ServicesThis subcontract for Hydraulic Modeling and Calibration Services involves performing hydraulic model updates, calibration, and validation for prime contractors on York Region water projects. The scope of work includes analyzing regional water distribution systems and modeling pump stations, valves, and surge equipment using specialized software such as InfoWater or WaterGEMS. The project requires lead modelers to hold a P.Eng licensure and ensure all work adheres to regional water distribution standards. The final deliverables consist of a calibrated water hydraulic model and accompanying technical reports. The response deadline for this opportunity is October 20, 2026.

Engineering Services

POSTED

DEADLINE

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 750+ contractors already using CLEATUS