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BESS

Testlab Inc. 

Hayward Corporate Office

2463 Tripaldi Way

Hayward, CA 94545

 

PH (408) 988-0101

FX (408) 988-0103

 

Santa Clara Office

991 George Street

Santa Clara, CA 95954

 

PH (408) 988-0101

FX (408) 988-0103

 

To request a proposal or discuss your specific project please contact:

 

Customer service:

 

 

Fresno Office

4284 N. Knoll Drive

Fresno, CA 93722

 

PH (559) 272-1375

 

 

Altadena Office

PH (909) 510-5535

 

Hayward|Santa Clara- 408-988-0101 | Fresno- 559-272-1375 | Altadena- 909-510-5535

 
 
 
 
 

Potholing Vacuum Excavation

Our powerful Vacmaster's systems 4000/3000 and our skilled technicians are capable to dig potholes faster than any other system that we know using air. This mode of excavation uses a combination of high-pressure air and a powerful vacuum to safely remove the soil that encloses the utility eliminating the risk of damaging the utility usually associated with traditional methods of mechanical excavation. After the pothole is completed and the utility data is collected then the back filling pre-approved methods such as native soil, CDF slurry, class II bed rock or others as requested. Temporary and permanent surface restoration is done by our crew as needed.

 

 

The steps for the potholing operation are as follows:

1.Utility designating by Underground Service Alert or private locate, as needed.

2.Traffic control setup.

3.Surface removal: either by jack hammering a 12" x 12" square opening or by drilling a 8” or 11" diameter core using a patent-pending setup.

4.Air-vacuum excavate pothole to expose utility

5.Data Collection / survey

6.Back filling pothole using native or foreign materials, as needed

7.Surface restoration: Temporary or permanent as needed.

8.Placement Utility survey mark: PK nail, stake, paint, etc.

9.Traffic control removal.

 

Who we have worked for?

Following is a partial list of some of our clients that we have performed vacuum excavation & potholing services:

•Caltrans District 4 - SF Bay Area

•Caltrans District 5 - San Luis Obispo / Santa Barbara/ San Benito

•Caltrans District 6 - Central Valley

•SBMUD

•Valley Transportation Authority - VTA

•City of Pleasanton

•FCI Constructors

 
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