Recent content by mitchell54

There is a product on the market that works very well. I had the same problem with older manholes in FL. I went in and evacuated the contents (water) and looked for the leaks then using a demo / hamerdrill (don't go cheap get a good one)drilled a 3/4" hole and injected the product. Within...

Cosimo, bmir is on track....I have fought this battle and found that chemicals can work but also try to eliminate any points in the system where air can enter in. I had a real problem with a couple of monitoring wells and by simply installing new concrete pads around the wells and adding new...

GA, I am in agreement with TerraSouth. PVC is the way to go, keep in mind that you are designing a pathway for methane migration, with appropriate cover 4" PVC will do just fine. I have seen and used this method for air sparging units and piliot studies in which I have placed PVC under active...

1) IF dry 2320 lbs/cu-ft If wet 2600 lbs/cu-ft 2) If dry 2500 lbs/cu-ft If wet 2700 lbs/cu-ft

Check with 3M they should have what you are looking for.

To add to sliderule's suggestion, double up your fabric. I have used this method in two different situations both are still in great shape. I found that it is also helpful to remove about 2' of the "bad Material" and replacing it with a good clay, then your geofabric, and then sub-base and...

http://www.bioxtech.com/ I am sure there are others, but this particular mix is proprietary and wroks rather well in most cases.

Yes this is very possible....I have seen it. By using a high pressure probe (1/2" in dia.)the injected oxidant slurry can be hand pushed down to about 12 feet through a rather hard clay material. I will get a contact with a Company that provides this service and send you a link.....

Gentlemen, I just finished helping my father with this exact problem. This is a huge legal issue not doubt. Unfortuneatley while you fight this battle with the developer and city engineers years may pass along with thousands of headaches, man hours, and time (which as we all know time is...

I have done the rid-ex thing as well on a rental and I know for a fact that the people renting aren't follwing Cosimo's guidelines....which any sensible homeowner should follow. So far so good, I really haven't had problems. If it is a pyschological thing I am not looking for therapy to fix...

dfreise, Sheepsfoot compactors (pegs) are mainly used for tying in clay layers together...for instance when you are building a liner cap for a landfill and you need to place clay in lifts, inorder to tie the layers together you use a sheepsfoot. I have mainly seen these pulled behind a large...

http://www.building.org/profiles/98475.html Here is a web site that might help. I have heard of this technology and have yet to use it. The sites that I have constructed on have not required it. I know that these type of slabs can get a bit pricy, have you inquired about a dewatering system...

http://www.prb-net.org/ I have a some knowledge of this topic, I did reasearch on this in school, I also have some field experience in the installtion. If you have more specific questions I will be able to assist. There are a ton of web sights involving these technologies. Do a web search on...

FL21USF In dealing with sanitary sewers there are many different ways to go about it. Unless you are in need of detailed line information such as the inside integrity I wouldn't recommend TV....it can be pricey. Smoke testing works for identifying lines, it is cheap and easy...

Here is a link... http://www.labsafety.com/store/product_group.asp?dept_id=31625&cat_prefix=5WA Obviously there are several other places...Grainger should have a good selection as well. Here is a good link for ideas on the types of pumps available. http://www.mgs.co.uk/remediation.html Good...