This syrvey crew just went up the road, and the marking at the links below
appeared on the road by my house. Anyone have an idea of what this means?
First pic is the marking, the second is for scale and relation to the house.
Thanks in advance!
Station 5 is a point in the project. Stations are/were set up as a straight
line. Now this could be the center line, or one of the outside lines. Or it
could be that they started some where and were going to another project down
the way and this was just a intermediate point.
It looks like they are measuring the surface distance along the route.
STA stands for Station and each station is 100 feet (one full tape in
length). Your marker is 500 ft from the starting point STA 0+00.
Why they are measuring the distance is only going to be determined by
Des Perado wrote:
Thank you everyone for the replies. MOst agree, it is just a marking point
500' from the origin. I did laugh, however, about the nuclear power plant
comment. That was a good one!!
I think I will ask the twp. what is up with this.
Finally, a question I think I can answer with some authority. But I am not
a surveyor so my answer will be incomplete. (But I will add you really are
wasting time by having loaded such large photos. I have dial up and it was
slow.) But hear my answer please.
Survey1.jpg is telling the road crew that this is Station 5. Probably of
the BL or baseline of the road. Sometime BL's are confused with CL's or
centerlines that can be found in or near the center of the road.
Survey2.jpg shows the center of the road and the station mark.
It is hard to tell what the surveyors were doing by looking at one point.
If the road department was considering changing the road, you might see such
markings every fifty feet or if metric every 100 meters. Are there any
other markings and what about colors?
Maybe a surveyor was surveying a residential lot that was recently sold?
They would need to find a spot that was well known and proceed along until
they found the first course point of the lot. I can see them starting in
the road for reference. Today's surveyors use GPS technology, but they
still need to mark the points either with a nail or just paint. The nail
has more permanence. That's my non-surveyor answer for now.
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