As Built Drawings

What is an As Built Drawings ?

The phrase "as-built" in construction is equivalent to "if". Drawings deemed "As Built Drawings" is drawing that shows the existing conditions as they are, or "as is" - this is the current conditions compared to existing
designs or proposed conditions, which are more common for the content of the drawings.
As Built Drawings  can be documented either after or during construction. When, in construction, a qualified

technician collects accurate data to reconstruct drawings. When during construction, design drawings redmarked for processing.
For example, if you have a contractor installing sewer pipe in the street buried at a depth of 4.00 "andyou

suddenly encounter an abandoned pipe and must change your buried depth to 7.50, then you should be

responsible for conditions building. installation contractor redmark his drawings to show Sewer Line is
actually installed so that a draftsman can later edit the drawings in an "as-built" group.

Building Plans

 Trebuchet  Building Plans -The first thing you will need to describe the shape of the full model, including the slap opponent and the sliding door handle. Since the physics is quite complicated, however, the approach to first briefly some simple versions of the machine, with each successive model closer approximate the actual device.

A trebuchet works by using the principle of mechanical advantage of the lever a rock or other projectile swing to drive off the ground.
You can refer to how Trebuchet: http://www.designandcad.com.au

free trebuchet Building Plans  made ​​of PVC:
The first thing you will need to describe the shape of the full model, including the slap opponent and the sliding door handle.

Since the physics is quite complicated, however, the approach to first briefly some simple versions of the machine, with each successive model closer approximate the actual device.
For full free trebuchet plans drawn by PVC you can refer:http://www.designandcad.com.au