MAG NAILS 1 1/2" SURVEYORS,PROPERTY,CONTROL,SURVEYING,BOUNDARY,SURVEY,GPS,PK

Mag nails, are used for land surveying and construction layout when critical
points are needed to be set in asphalt, wood, or other such surfaces that a nail
could be set into. Since most of the points we set end up in the real world, we
have to be able to visually find them in the future. In addition the points set
by one particular surveyor may need to be recovered by yet another. Pound it
Harder, Find it Farther! The creation of mag nails came from the need to find
these set points by use of a locator or more commonly known by you and me as a
metal detector. Since mag nails are magnetic, and larger in size than a PK they
are found quicker and with greater ease using a locator. Furthermore mag nails
have a zinc coating to prevent corrosion and rusting longer than PK nails. This
coating makes the nail shiny and more visible longer when set into different
surfaces. However the most important improvement was the thickness of the
striking head surface and the overall strength and durability of the nails;
these nails are better able to withstand striking blows without the head coming
off or the nail itself bending. So the slogan really means something, as the
Mag’s can be struck harder with a hammer, and found farther using a metal
detector. Most commonly used during a survey or for construction would be
setting control. This can be achieved by using a robotic total station or a GPS/VRS
unit. Typically you would set the point in location to your liking and occupy it
with a GPS unit, or it could be shot in using a set instrument like a robotic
gun. Once coordinates are set on the point you could move and occupy this as a
known point. Since the Mag nails have a dimple or depression in the center of
the nail’s head it is very easy to occupy this using a survey rod and elevation
can be check or set with a leveling rod in the future. Don’t forget to ribbon up
the nail and spray some paint around it so you can find it again! During
construction many surveyors will set offsets to points because the original
location or centerline of points will typically be where construction is taking
place. Critical points include offsetting curb, manholes, underground pipes,
building corners, and so on. If I was setting manholes in an existing pavement
parking lot I would set a centerline of manhole point, then a 15′ offset
followed by a 25′ offset in a straight line with painted instructions to the
cut/fill for the manholes Rim and Invert elevations according to the engineering
plans provided. This concept could potentially work for a situation involving
proposed waterline underneath a road, where I would set nails online or where
the waterline was purposed but also pull offsets so when the road was being dug
up the contractor could use my offsets to reestablish the original center
points. This is another example of a situation where mag nails may be used. Let
us say a Farmers property goes to the centerline of a road near and it then
follows said centerline until it reaches the corner of his lot. This would be an
example where we could use mag nails to set points along the road to depict his
property. Although mag nails may not be the most permanent type of boundary
point, they are called out and accepted on surveys as such. Another common use
for mag nails in the field of surveying would be setting cross ties to critical
points and benchmarks for future purposes of construction. If you set a
permanent monument in say the center of the road depicting a section corner or
boundary, you could potentially set several cross ties to reestablish that point
in the future using mag nails. A Benchmark is a vertical reference to elevation
previously established for a survey using a level or possible GPS system. Most
benchmarks like control are established for future reference concerning a
construction project or topographic survey to be completed. Mag nails do a good
job of establishing these points as they create a semi-permanent point of
reference for the surveyor to use at his or her discretion.
THIS LISTING IS FOR 100 PIECES of 1 1/2
”
MAGNAILS
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