Stewart Engineering, Inc. Project History
O'Neil Creek Bridge Replacement: Seiad Valley, Ca Project Cost $1.6 million
State of California, Department of Transportation
SEI Project Manager/Superintendent Roger Ellicock
Replace existing culverts on Highway 96 with a 45' clear span, pre-cast, and prestressed voided slab bridge on CIP concrete abutments. Install a temporary signal and detour on a 20' tall sheetpile retained embankment adjacent to the structure excavation.
Foothill Reservoir Replacement Project: Redding, Ca SEI Subcontract $1.1 million
City of Redding, Department of Public Works
SEI Project Manager Keith Stewart/Superintendent Scott Forbes
SEI performed all demolition and sitework activities as a subcontractor to CB&I Constructors, Inc. The total project cost was $2.5 million with SEI's subcontracted portion at $1.2 million. The project involved replacing two existing 1.5 MG above ground concrete tanks with a single 4 MG above ground steel tank. Site work activities included concrete tank removal, 48" deep foundation excavation of unsuitable soil and backfill of the same, concrete foundation for new steel tank, 18" and 24" ductile iron pipe tie-in, concrete curb and gutter, sidewalk, asphalt concrete pavement, landscaping and fencing.
Echo Tunnel Emergency Repair: Echo Lake, Ca, Project Cost $ 1.3 million
El Dorado Irrigation District
SEI Project Manager/Superintendent Roger Ellicock
The 1000 lineal foot Echo Tunnel was repaired by installing a HDPE liner with inlet and outlet structures. Mark Suden Mining Construction was subcontracted for all underground activities. The work involved re-shoring the failed and distressed timber sets, sinking a 35' reinforced vertical shaft through the failed section of tunnel to facilitate access, and removing the sediment and debris distributed throughout the reach of the tunnel resulting from the collapse. A concrete invert, and pipe installations guides were installed to ensure consistent grade. The 36" SDR21 liner was pulled through and a light weight cellular grout was installed in the annular void, to prevent further settling or sink-holing on the ground's surface. The project was located at 7500' elevation, and had to be installed prior to the winter snow pack. Work was performed at the end of September through mid- December.
Repair Damaged Bridge Girder: Emergency Force Account Butte County, Ca Project Cost $67K
State of California, Department of Transportation
SEI Project Manager/Superintendent Roger Ellicock
A concrete girder was damaged by an over-height load on Garden Ave overpass on Highway 70 in Oroville. A temporary support was installed above the bridge to provide temporary support while the damaged section of concrete girder was repaired.
Kettenpom Creek Bridge Replacement: Zenia, Ca, Project Cost $ 630k.
County of Trinity, Department of Transportation
SEI Project Manager Keith Stewart/Superintendent Joe Savage
Remove and replace existing bridge with a new cast-in-place bridge consisting of two abutments founded on driven pile foundations, with roadway approaches and paving.
Hwy 70 North Honcut Creek Bridge Repair: Chico, Ca , Project Cost $ 910k.
State of California, Department of Transportation
SEI Project Manager/Superintendent Roger Ellicock
Replace existing concrete pile bridge bents damaged by streambed scour. Replacement bents consisted of concrete bent caps supported on concrete columns and CISS pile.
Hwy 49 Soldier Pile Wall: Grass Valley, Ca, Project Cost $ 630k.
State of California, Department of Transportation
SEI Project Manager/Superintendent Roger Ellicock
Construct Temporary signal to place traffic in a single lane away from active slide conditions. Stabilize existing highway shoulder with CIDH soldier pile retaining wall and construct new concrete barrier wall.
Ohm Road Bridge Replacement: Corning, Ca, Project Cost $ 520k.
County of Colusa, Department of Public Works
SEI Project Manager Keith Stewart/Superintendent Roger Ellicock
Remove and replace existing bridge with three span concrete flat slab bridge.
Brannin Creek Bridge Replacement: Williams, Ca, Project Cost $ 248k.
County of Tehama, Department of Public Works
SEI Project Manager Keith Stewart/Superintendent Joe Savage
Remove and replace existing bridge with double span flat slab bridge with cast in place concrete abutments and a precast concrete pile bent.
Trinity County Guardrail Update: Trinity County, Ca, Project Cost $ 1.2 million.
State of California, Department of Transportation
SEI Project Manager/Superintendent Roger Ellicock
Upgrade existing guardrail and construct earth retaining structures along a seventy mile stretch of State Hwy 299.
Burney Falls Fishing Pier: Burney, Ca, Project Cost $ 80k.
State of California, Department of Parks and Recreation
SEI Project Manager/Superintendent Roger Ellicock
Construct new pier affixed to driven steel pile in Lake Britton
Siskiyou County: Callahan, Ca, Project Cost $ 668k.
State of California, Department of Transportation Anthony Pascal
SEI Project Manager Keith Stewart/Superintendent Scott Forbes
Consisted of bridge repair of three bridges with concrete barrier rail and installing polyester concrete overlay.
Butte County Median Barrier: Chico, Ca, Project Cost $ 1.5 million
State of California, Department of Transportation
SEI Project Manager Roger Ellicock/Superintendent
Construct new thrie beam barrier rail on State Highway 99.
Swillup Creek Drilling: Happy Camp, Ca, Project Cost $ 120k
State of California, Department of Transportation
SEI Project Manager/Superintendent Roger Ellicock
Drilling for CIDH concrete pile for the Swillup Creek Bridge foundation on State Hwy 96.
