Fish Friendly Tide Gate Enquiry Form

Answer a few questions about your culvert and we'll recommend the right tide gate for your site

Data Sheet
Video

Fish Friendly Tide Gate Enquiry Form

Tell us about your culvert and we’ll recommend the right fish friendly tide gate. Use the diagram to see where to measure. If you’re unsure of a measurement, leave it blank. Photos help us a lot. 

Where to measure

Side section

flap gate (for reference) max. downstream / tide level upstream level (upstream level projected) INVERT OVERT ground / fill surface APRON HEADWALL OUTLET (sea) SIDE → ← INLET (land) SIDE 8 9 6a 12a 12b

Front view looking at the headwall from the outlet side, gate removed

WINGWALL WINGWALL HEADWALL 4 5 10 10

10 = horizontal distance from the widest part of the INSIDE of the culvert to the face of the wingwall (each side).

Click into a field in the form to see where to measure it.

Numbers match the questions in the form. All measurements in millimetres (mm).

1. How many pipes/culverts at this location? Leave blank if unsure (one is assumed)

Are they all the same size?

e.g. Pipe 1: 600mm circular. Pipe 2: 900mm circular.

2. Pipe shape For the main pipe (note any others above if they differ)

3. Pipe material

Inside measurement of the pipe

Include the pipe wall

For non-circular culverts

For non-circular culverts

6. Is there an apron at the pipe outlet? A flat slab at the outlet end of the pipe (see diagram)

From the pipe invert (inside bottom) down to the apron surface

7. Mounting style

From the pipe overt (inside top) up to the top of the headwall

Front face to back face of the headwall

Horizontal distance from the widest part of the inside of the culvert to the face of the wingwall, each side. If the two sides differ, enter the smaller one. Mainly relevant for box/rectangular culverts (leave blank if unsure).

11. Is the site tidal?

Difference between the highest downstream (tide) level and the upstream level

If the head is unknown, measure from the top of the pipe to the ground surface

Outlet end, headwall, and the pipe opening if you can. JPG or PNG, up to 10 MB each.No Files ChosenAccepted file types: jpg, jpeg, jpe, gif, png, webp, avif, heic, heif, heics, mov, qt, mp4, m4v, pdf, pptx. Max. file size: 20 MB

6 + 12 =

ATS Fish Friendly Tide Gate provides installation support for all Tide Gates, including onsite install, custom mounting solutions, and adjustment guidance. Each gate is laser-cut from durable stainless steel and includes comprehensive installation guidelines. Post-installation adjustments can be made to suit local or seasonal conditions.

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