Recent content by dachenglee

Thank you, cvg! It is a very valuable suggestion.

Thank you very much, VAD. Your recommendations such as checking past construction information and using smallest bucket are very helpful. I am a little worry about a digger is not able to dig deep enough to check the underground condition. Any suggestion? Thanks.

I am working on a new sanitary sewer construction subsurface investigation plan. The proposed sewer will be 5,000 ft long along existing roads and the inverts will be 10 to 20 ft under the surface. Does any one know how the depths and intervals of borings should be designed? Since the borings...

Thank you very much for your advice,lha and gbam! It is very helpful.

Does any body know how to analize the historical scour of a river/stream? What kind of data I need to collect? Is there a website that I can do research on this topic? Thanks

What is the required distance for a light industrial building to its property-line to another light industrial site? Thank you very much in advance!

In my project, the parking lot will be located above a layer of clay (4’-9’). This is an industrial development; therefore, there will be many heavy trucks park in this parking lot. I expect the parking lot’s pavement may cracked and failed, if no treatment/reclamation the underground soil...

Thank you for the response dicksewerrat. There is an existing 1-story set on those timber piles. The owner wants to break down the old house, and build a double size 2-story house. He asked me to keep those existing timber piles for the proposed house. It is a 30 years old house; so, we don’t...

I have existing timber piles, and I want to extend them with concrete piles as 2-story house foundation. How can I connect timber piles and concrete piles? Fasteners?

I have existing timber piles, and I want to extend them with concrete piles as 2-story house foundation. How can I connect timber piles and concrete piles? Can I use Fasteners?