01 / FIELD OVERVIEW
Reservoir cleaning and inspection services
See Ven-Tech’s approach to reservoir inspection, cleaning and project execution.
Potable water · fire protection · industrial storage
Reservoir services.
Continuity protected.
Ven-Tech Reservoir Services combine potable-grade commercial diving, robotic inspection, cleaning, maintenance support and documented water-quality controls for critical water-storage assets across Western Canada.
AWWAC652-19 workflows
NFPA25 tank support
DIVEPotable-grade capability
ROVRobotic alternatives
Critical water infrastructure
Protect the water.
Understand the asset.
Reservoir Services must protect water quality, operational continuity and the integrity of the structure at the same time.
Ven-Tech plans each scope around the facility, water use, access, sanitary requirements, site hazards and the decisions the inspection must support. Where conditions allow, inspection and cleaning can be completed with the tank full, helping owners reduce shutdowns while receiving a clear record of internal condition. Diver, ROV, robotic-vacuum and magnetic-crawler methods can be combined into one practical plan.
Potable-water proceduresSite-specific HSE planningTraceable reporting
Reservoir services capabilities
One asset.
Complete field support.
From a focused inspection to diver- or robot-supported cleaning, every method is selected around the reservoir and the required outcome.
01↗Reservoir inspection
Document roofs, columns, ladders, baffles, seams, coatings, floors, intakes, outlets and visible anomalies with organized HD media and condition observations.
02↗Sediment removal & cleaning
Remove accumulated sediment and debris using potable-water procedures, purpose-selected pumps and cleaning methods configured around the facility and operating requirements.
03↗Diver reservoir services
Use potable-grade commercial diving for detailed inspection, cleaning, minor maintenance and targeted intervention where direct access is the appropriate method.
04↗Robotic reservoir services
Deploy ROVs and robotic cleaning systems for remote visual inspection, sediment removal and work in areas where robotic access can reduce personnel exposure.
05↗Magnetic crawler inspection
Assess suitable steel tanks and ferrous surfaces using magnetic crawlers that support close visual review and project-specific ultrasonic thickness measurement workflows.
06↗Water quality & reporting
Support chlorine residual and turbidity checks, indexed video, photographic records, observation logs and concise reporting for operators, engineers and asset owners.
See the work
Inspection and cleaning.
Inside the reservoir.
Both original Ven-Tech Reservoir Services videos are preserved here in their existing order.
02 / DIVER OPERATIONS
Diver cleaning, inspection and repairs
View potable-grade diver operations supporting water-storage asset condition and maintenance.
Standards-led execution
AWWA and NFPA.
Two critical applications.
These are standards frameworks—not generic badges. Ven-Tech builds the work plan, sanitary controls, inspection coverage and reporting around the applicable asset and project requirements.
Potable water storage
AWWA C652-19
AWWA C652-19 addresses disinfection of water-storage facilities, including procedures relevant to underwater inspection and cleaning. Ven-Tech applies documented sanitary planning to protect water quality and preserve traceability.
- Potable-only or appropriately segregated equipment
- Documented cleaning and disinfection controls
- Chlorine residual and turbidity monitoring when scoped
- HD condition records and inspection reporting
- Diver or robotic methods selected for the asset
Fire-water storage
NFPA 25
NFPA 25 establishes inspection, testing and maintenance requirements for water-based fire-protection systems, including water-storage tanks. Ven-Tech supports internal condition work without treating every tank or interval as identical.
- Internal surfaces, coatings and visible corrosion
- Ladders, baffles, braces, intakes and outlets
- Sediment and debris around suction points
- Project-specific UT thickness measurements
- Photo, video and remediation-oriented reporting
Continuity where conditions allow
Inspect the tank.
Protect the service.
Many Reservoir Services projects can be engineered to reduce or avoid draining and prolonged shutdowns. The final approach depends on water use, isolation, sanitary controls, access, the work itself and the owner’s operating requirements.
- 01 Review facility, water use and required outcome
- 02 Select diver, ROV, crawler or combined methods
- 03 Establish sanitary, access and HSE controls
- 04 Verify coverage, water-quality records and deliverables
Health, safety & environment
Control the work.
Protect the water.
Reservoir work combines diving, confined-space interfaces, water-quality protection, energy isolation and facility operations. Ven-Tech connects these requirements through written planning, defined field controls and project records.
HSE frameworkApplicable owner procedures, provincial requirements, CSA Z275.2 diving practices and WorkSafeBC Part 24 requirements are reviewed for each project.
Site-specific safety planning
Scope review, hazard assessment, risk register, defined roles, emergency arrangements and stop-work criteria.
Potable-water protection
Equipment segregation, cleaning, disinfection, contamination controls and documented sanitary checks.
Diving & access controls
Commercial-diving procedures, communications, access management, isolation and confined-space interfaces where applicable.
Water-quality observations
Project-specific chlorine residual, turbidity and other sampling or monitoring requirements coordinated with the owner.
Inspection quality control
Coverage plans, live verification, indexed media, observation logs, equipment checks and documented limitations.
Audit-ready reporting
Field records, HSE documentation, water-quality results and deliverables organized for client and engineering review.
Contractor assurance
Qualified, reviewed
and project-ready.
Ven-Tech’s Reservoir Services are supported by third-party contractor-management programs, a COR®-certified occupational health and safety management system, specialized inspection personnel and documented insurance coverage.
BCCSA COR® CertifiedISNetworld Member ContractorISNetworld ESG BadgeAvetta ApprovedCognibox CertifiedAlcumus SafeContractorNASSCO PACP CertifiedCWB-Certified Visual Inspection PersonnelCSWIP 3.1U / 3.2U PersonnelCSA Z275.2 / Z275.4 PracticesWorkSafeBC / WCB Alberta$5M CGL / $2M Professional Liability
Learn about the BCCSA COR® program ↗Documented site-audit outcomes
Safety claims backed
by project records.
The existing Reservoir Services page documents two WorkSafeBC site-audit outcomes for potable-water reservoir work.
CASE 01 / 100-FT RESERVOIR
Cowichan Bay
- 0 reported violations or deficiencies
- 0 reported orders
- Recorded alignment with CSA Z275.2, WorkSafeBC Part 24 and AWWA C652-19
CASE 02 / 50-FT RESERVOIR
Penelakut Tribe
- 0 reported violations or deficiencies
- 0 reported orders
- Recorded alignment with CSA Z275.2, WorkSafeBC Part 24 and AWWA C652-19
Reservoir services process
From work plan
to final record.
A four-stage workflow connects sanitary protection, HSE planning, field quality and useful reporting.
Scope the asset
Confirm reservoir type, dimensions, access, water use, operating condition, known issues and required outcome.
Engineer the work
Select diver or robotic methods and establish sanitary, safety, isolation, monitoring and contingency controls.
Inspect & service
Complete the planned inspection, cleaning or maintenance while checking coverage and field conditions.
Report the evidence
Quality-check media and records, document observations and issue the agreed project package.
Organizations we support
Water assets that
cannot be ignored.
Reservoir Services for public and private organizations managing drinking water, process water and fire-protection storage.
01Municipal utilities & public works↗
02First Nations & remote communities↗
03Health authorities & institutions↗
04Oil, gas & industrial facilities↗
05Mining & natural resources↗
06Engineering & environmental consultants↗
07Fire-protection contractors↗
08Commercial & private water storage↗
Reservoir services FAQ
Questions before
the hatch opens.
Send the asset information and operating requirements. Ven-Tech will help determine the appropriate diver, ROV or combined approach.
Can a reservoir be inspected or cleaned while it remains full?+
Many Reservoir Services scopes can be planned while a tank remains full and operational, reducing shutdown requirements. Suitability depends on water quality objectives, access, isolation, the planned work, the owner’s procedures and the applicable standard or authority requirements.
What does AWWA C652-19 address?+
AWWA C652-19 addresses disinfection of water-storage facilities. For underwater inspection or cleaning, the project plan should define sanitary procedures, equipment preparation, disinfection controls, sampling and documentation appropriate to the scope.
How does NFPA 25 apply to fire-water storage tanks?+
NFPA 25 provides inspection, testing and maintenance requirements for water-based fire protection systems, including water-storage tanks. The applicable edition, tank construction, corrosion protection and owner requirements determine the inspection activities and frequency.
Do you provide both diver and robotic reservoir services?+
Yes. Ven-Tech can evaluate potable-grade commercial diving, ROVs, robotic vacuums and magnetic crawlers. The recommended approach depends on access, geometry, water conditions, task complexity, required measurements and the owner’s operating constraints.
What is included in a reservoir inspection report?+
A project package can include indexed HD video and photographs, an asset-component checklist, observation logs, identified limitations, sediment or debris observations, water-quality records, recommended follow-up actions and supporting files agreed in the scope.
How is equipment prepared for potable-water work?+
Potable-water equipment and procedures are segregated, cleaned and disinfected using the project’s documented sanitary controls. The method, products, concentrations, contact times, sampling and recordkeeping are confirmed for the facility and applicable requirements.
What information is needed for a reservoir-services quote?+
Send the location, reservoir type and dimensions, access size, water use, operating status, drawings, previous reports, known issues, required work and preferred schedule. Photos of the hatch and surrounding work area are also valuable.
Start with the reservoir
Protect continuity.
Plan the inspection.
Send the facility location, tank dimensions, hatch details, water use, operating status and required work. Ven-Tech will provide a practical first review for your Reservoir Services project.