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This page contains useful information about Wall Stations. Select a topic from the list below to read more.

Installing a wall station without a sleeve

You may ask why intsall a wall station without a sleeve?

The answer to the above questions is you may only need a temporary station that will be used for only a few surveys and will not be used to carry control throughout a mine. These stations could be used at the end of cross cuts or in stopes. They have the advantage that they are easy to install. They do however create several small sources of error, as the sleeve of a wall station gives an engineered fit to the stem, while a hole in rock does not. But used carefully this method is a practical solution for a short term station.

You will require the following tools;

Cordless Drill
8mm drill bit
Spray Bottle
Paint
wall station tools

Step 1

Select a location to install the new wall station. This location needs to be a safe distance from any advancing faces (blasts) or mobile traffic path. It should be located at an easy to reach height and placed in solid stable rock. And finally the most important criteria for selecting a location is good positioning and sighting from the previous station and the next proposed station.

Step 2

Use a hammer to tap the rock to hear how if the ground is solid. Installing the station in drummy loose ground is a waste of time as the rock (ground) could move or fall off the wall.

The hammer can also be used to scale small loose rocks away from the selected location .Note only use a hammer to scale rocks if you are experienced in doing so and are not in breach of any of your sites safety processes.

Step 3

Drill the hole. Skill is required to drill the hole straight. The 8mm bit drills a holes slightly larger than 8mm and should not require reeming.

When drilling the hole, angle it up slightly so any debris can be flushed from the hole allowing it to drain. Ensure the hole is drilled depper then the length of the sleeve.
drill hole

Step 4

Wash the drill cuttings from the hole using the spray bottle. Cleaning the hole allows the wall station stem to fit into the hole.

Step 5

Paint the station up to clearly define its placement and to make it easy to identify. Paint the Station ID next to it.wall stem in wall