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Ontario Sluice Gate Solutions

Cast iron sluice gates are used to control flow on rivers, hydro dams, provide flood protection and irrigate farmland. They also serve to regulate, isolate and control flow through municipal sewage and water treatment facilities

Sluice gates are designed to move vertically from an open to close position utilizing an operating stem powered by a  manual gearbox, an electric actuator  or a hydraulic cylinder.   

After years of use, rebuilding of the sluice gate or any of it’s accessories may be in order. That's where we come in.

 

How We Work

  1. Contact Gate Tech describing your difficulties with a gate & pertinent  details.
  2. Depending on the nature of the problem, Gate Tech may be able to provide a  quote based on detailed  information provided in the inquiry .      
  3. Upon receiving a purchase order, Gate Tech will purchase materials and fabricate the required components*
  4. Gate Tech will contact you to schedule on-site work once fabrication has been completed .*
  5. Gate Tech will arrive on site with all necessary replacement parts, hoisting, rigging, safety equipment and paperwork and proceed with repairs.*

*Please note we're also available in other capacity as a subcontractor if required, please contact us for more information.

Our Process

  • Detailed project specifications are a necessary part of the tender documents on municipal projects involving water and sewage treatment facility upgrades or expansions.
  • Gate Tech Industries does advocate municipalities, plant managers and consulting engineers  utilize  a site inspection supported by a detailed technical report to establish the physical condition of each installation before proceeding with gate specifications .    
  • Unfortunately, the question "What do we know about the existing gates?" is not raised often enough by owners, plant managers or consulting engineers. Often, excellent heavy duty cast iron sluice installations are prematurely demolished and replaced by poor quality fabricated gates having a short service life.  
  • A detailed scope of work including specifications created for sluice gate or quality slide gate replacement or rehabilitation will do much to ensure the customer not only gets the best product, he will also witness successful completion of this important part of the project.        

 

Phase 1

Gate removal

  1. Set up safety barrier fencing to isolate the work area and post signage.
  2. Remove the manual gear lift ( or electrical actuator), pedestal and base plate stem guide.
  3. Set up man retrieval hoist and tripod before allowing man entry into the well. Complete confined space entry permit, test and record air quality in work area and proceed only if atmosphere safe to do so.
  4. Use a ladder & fall arrest or man-riding hoist to gain access to the work area (well ) below the operating floor.
  5. Remove the operating stem in sections or as a single length as required.
  6. Back off all the slide wedges and hoist the gate slide out of the well.
  7. Remove all the stud bolts securing the gate frame to the wall thimble.
  8. Remove hex nuts from anchor bolts that support the upper guide bars on the gate frame.  Proceed with hoisting the gate frame and remove it from the well.

 

Phase 2

Gate Rehabilitation

  1. Strip all wedge components & fasteners off the gate frame & slide.
  2. Transport the gate to paint facility for sandblasting & protective coating 3M ScotchKote Fusion Bonded Epoxy 134.
  3. Clean & polish all wedge components.
  4. Clean all assembly,adjustment screws & installation bolts.
  5. Pick up gate on completion of powder coating & transport to machine shop for bronze seating replacement.
  6. Clean & lubricate the operating stem; blast & prime/paint the existing pedestal.
  7. Re-install all wedge components on the gate frame & slide.
  8. Fill out check list & transport the gate & all accessories back to the job site.

 

 Phase 3

Re-install the sluice gate

1.  Clean the front face of the thimble before mounting the gate frame complete with new gasket back on the wall.

2.  Lower the gate slide down into the well and into the gate frame grooves.

3.  Install stem sections as required & bolt bottom section to the stem block.

4.  Install pedestal & gearbox or actuator.

5.  Make all necessary adjustments to wedges, stem guide collars & limit switches.

6.  Wet test & re-commission the gate installation.

 

Seriously, We Know Sluice Gates!

We are a small company with a dedicated team capable of correcting operating difficulties or leakage concerns involving cast iron sluice or flap gates, roller and fabricated gates of every make.