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Replies
Very good point! Miscommunication has been the cause of many problems. We have to be sure we are all talking the same language. I haven't staked a building with a site grid since the days we pulled strings down the column lines & measured with a 1 minute transit & steel tape. The work was good if it was done carefully with a skilled crew but there are obviously much better ways today. Like you said, "grid" can mean many things. When somebody says "grid", my brain thinks geodetic like a State Plain grid & ground coordinates are what you get when you apply the grid factor. The ground coordinates calculated that way should closely match what you measure with you total station. I think I am preaching to the choir so , I'll shut up.
Hie guys, when i said grid i was referring to grid lines on the drawings. The site manager suggested that i redo a survey from the main control points and check those on site that i am using and also those that the other surveyor is using and come up with a report, The two of us will then have to make use of only those that are within acceptable tolerance.
Hi Killivien, Hope you are doing fine today,like i said people do things different and actions and meanings are different all over the world I was getting to be confused i read what you wrote and to me it seemed you said that you used ground coors. and that the grids were determined from them calculated or computed. That is what i thought you said from the beginning.So the grid lines on this drawing are they Grid lines on this building that have been calculated for the layout, setting out controls to go by on the building or what are they.
See here again the terms stakeout,layout,point stake and setting out all mean the same thing. I heard terms, good ,point,are dead nuts, even balls, use to mean the same thing. on a point stake. things can have different meanings around the world, Speaking of worlds mine on this page is spinning clockwise how does that GPS work. the last time i checked the Northern hemisphere rotated counterclockwise. but who noticed . Lets use know what they are, these Grid lines of course. you and him have to work together to solve this,
HI Ted, Maybe they do not use one,there is a lot who don't,not me, I would break out the calculator if mine went dead.but who has a calculator. He told Maurice he was using Ground Coors.that they
came up with the Grid,I am assume again that ground coors means a plane rectangular tangent survey assume site coors. ,created by a plane rectangular survey with a total station and when he said Grid, it was in reference to the Grid lines on a buildings Engineers site plans and not a Grid projection systems, if not i have all this wrong.If that is true this is a building.and that's the name of that tune.I would re tie my points again then if i got the same thing ,go from there.
HI Charlie , No it was nothing you said,I agree with you 100 %, I am like you I am confused about what and how this error or difference in the control came about is this apples or oranges, please do not mix the two on a building.
I am confused, maybe i ASSuME something, I was under the impression that this survey was in reference to a total station survey, and these points were to a grid layout to a building.SO please someone explain i am lost. Where is the GPS ???, get the hammer out again.
Good Day Mr. Billy
I remember you helped me before with a great reply.
Most of projects managers try to safe cost more than getting accurate job.
so like me i forgot working with GPS. (only when project start)
I think this problem in the prism constant, or he should check the other surveyor grid.
Regards