About Us

"We Dig America"

S & L Underground Inc. is a HUBZONE certified heavy civil contractor that specializes in underground utilities, water and sewer systems, bridges, and roadways. S&L Underground has been in business since 1999 and has completed over 100 projects in the last 19 years. Licensed and bonded in AZ, UT, ID, MT, ND, WA. S & L Underground strives itself on providing excellent customer service and exceptional quality and has developed a reputation of completing contracts on time and on budget.

Bonners Ferry Cassia Tank

   Bonners Ferry Cassia Tank,  Bonners Ferry, Idaho      

Start Date: 10-26-15 Completion Date: current 

Project included construction of a 350,000 gallon partially buried cast in place reservoir. Demolition of an existing 150,000 gallon concreate storage resevoir.

Site excavation, and grading, reservoir foundation including auger cast piles, construction of 450 L.F. of 16'' transmission main, site piping, and surface restoration.

Winchester Standpipe

Old Standpipe

  Winchester Standpipe,  Winchester, Idaho  

Start Date: 06/13/16 Completion Date: 12/30/2016   

Drilling Auger Cast Piles

The job consisted of a 25 x 126 ft Umberella Dome rook tank and 10,000 ft. new water transmission piplines

300,000 gal. steel standpipe reservoir for water storage 

EWU- 2016 Water Improvements

  EWU- 2016 Water Improvements,  Cheney, Washington     Contract Amount: $1,485,273.00 Start Date: 05-23-16 Completion Date: 09-30-16  

Sacheen Wastewater Schedule B

  Sacheen Wastewater Collection-Schedule B- Collection System Sacheen, WA       

Start Date: July 7, 2014 Completion Date: 01-06-2016

Project includes installation of 6,772 L.F. of 8'', 8,992 L.F. 6'', 19,024 L.F. of 4'' 3,836 L.F. of 3'', 2,372 L.F. of 2'' HDPE pressure sewer pipeline.

As well as 2,279 L.F. of horizontal directional drilling, submersible pumps, wet well with electrical instrumentations and controls.

Sacheen Wastewater Schedule C

 Sacheen Wastewater Collection-Schedule C- Onsite Improvements Sacheen, WA  

Start Date: July 7, 2014Completion Date: 12-18-2015

 Project included 270 sewer services installed at each lot.With individual pump stations and control panels as well as installation of two additional pump stations.

Directional boring through wetlands, individual properties and areas next to Sacheen Lake,

Carlin Creek Bridge

Old stiff leg culvert

  Carlin Creek Bridge  Coeur D’Alene, Idaho Contract Amount: 527,767.76 Start Date: 12-04-2003 Completion Date: 03-31-2004  

Building corrugated metal pipe

 Replaced a stiff leg culvert with a corrugated metal pipe. Built a by-pass road with traffic control maintenance while the 24’ culvert was installed. 

Installing 24' Culvert

  We could only work in certain times of the year when the water level was at it’s lowest. The project had several large change orders but was accomplished in good time and to the satisfaction of the owners as well as the Army Corps of Engineers.  

Tubbs Hill Reservoir

  Tubbs Hill Reservoir Replacement  Coeur d’Alene , Idaho  

Start Date: 09-06-2005 Completion Date: 05-31-2006

 Constructed a 2-million gallon pre-cast concrete water storage reservoir with foundation.

 Including 6500 yards of rock excavation, yard piping which consisted of 430 l.f. of 24” outlet piping and mainline discharge piping, controls and associated site and electrical work. Project included a lot of crane work.

Email

S&L Underground.Inc

S & L Underground, Inc.

S&L Office (208) 267-7996

Address

 66304 Highway 2 Bonner's Ferry ID