Most of the work I had used them on were bridges. Two points on centerline and two points for each abutment/bent. Mostly centerline because of access,...

Dan Patterson, post: 378917, member: 1179 wrote: Seems like it would be hard to set a rebar to the nearest 0.01'. Do you have a punch hole in the top...

If it is an area with a lot of activity but not much cut or fill, I like to use rebar instead of hubs and keep the top down 4-6 inches from the surfac...

For a permanent pedestal like that, I would think a lockable collar would deter theft of the receiver. Something that is hinged on one side and a hasp...

A Harris, post: 374864, member: 81 wrote: The Mt Pleasant error is reported to be that the highway elevation and RR elevations were from two different...

Robert Hill, post: 374286, member: 378 wrote: Are a few of the posters (Peter,jimAz and others) here not getting the gist of Dan's post.Attention to d...

I could make that trip in a weekend.

Tommy Young, post: 371948, member: 703 wrote: [sarcasm]All of you have it wrong. The ability to read trumps shovels and math. If you can't read a de...

I used fastback up until I got a tape drive. It's still installed on my dos machine but I haven't tried the tapes in years. I networked the dos machin...

You have to give your email address, organization and industry. Surveying is not on the list so I picked Intelligence. It does require intelligence to...

Larry Scott, post: 371262, member: 8766 wrote: Well Venus is just more photogenic, size matters. After all, Venus 2x diameter (4x bigger in area). It...