KOMAN Holdings

FHWA, Lake Mead Bridge & Culvert Maintenance

Lake Mead National Recreation Area, Bridge & Culvert Maintenance: Prime Contractor $125,000 Project work included: Bridge and tunnel maintenance as recommended by the Federal Highway Administration (FHWA) bridge inspections Cleaning and sealing bridge deck Cleaning expansion joints Installation of markers  Weep hole filters installation Patching spalled concrete, and/or removing vegetation  

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Pinal County, Pavement Preservation & Repair Services

Pinal County:  Prime Contractor  Work Included: Supplying all labor Materials Equipment to provide pavement preservation Soil stabilization for roadway subgrade and/or shoulders The construction of new asphalt concrete pavement Remove and replace road repairs or other designated surfacing material including installation of pavement markings Work assignments: Pavement preservation widening Roadway shoulder stabilization Construction of improvements

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FHWA, Desert National Wildlife Refuge Corn Creek Road Improvements

Corn Creek Road-Alamo Road: Prime Contractor $3,935,308 The USDOT, Central Federal Lands Highway Division of the Federal Highway Administration contracted with SWP to make substantial roadway improvements at the Desert National Wildlife Refuge located in Clark County. Major project activities included: Grading Aggregate base course Road reconditioning Hot asphaltic concrete pavement Erosion & sedimentation control Signing

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FHWA, Manhattan Main Street Design-Build

Manhattan Main Street Design-Build: Prime Contractor $2,500,000 The USDOT, Central Federal Lands Highway Division of the Federal Highway Administration contracted with SWP to Design & Build a 0.8 mile section on Main Street in Manhattan, NV. Design activities included: Roadway & Drainage design Hydrological Engineering Temporary and Permanent Traffic Control Environmental Documents and Permitting (Cultural Survey,

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ADOT, Happy Valley Parkway Design-Build (Sub)

SR303 Loop, US60- Happy Valley Parkway: Prime Contractor $29.8 M SWP was brought on in the initial stages to provide: Design and constructability review Write quality control plan and quality management plan Supervise the Quality Control Program. Oversight of PCCP placement and inspection to ensure compliance with specifications and standards. The project milled/pulverized existing asphaltic concrete

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FHWA, BLM, Las Cienegas National Conservation Roadway Improvements

Las Cienegas National Conservation Area Sonoita Arizona: Prime Contractor  $3,707,982 The USDOT, Central Federal Lands Highway Division of the Federal Highway Administration in coordination with the US Bureau of Land Management contracted with SWP to complete 13 miles of roadway improvements at the Las Cienegas National Conservation Area. Improvements included: Surveying and staking Import of

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Craftco Dirt Lot Sealing

Craftco: Prime Contractor $2,167,262 Craftco contracted SWP to transform an 8,400 SY dirt lot into a sealed surface for dust control purposes. SWP leveled and created positive drainage on 8,400 SY existing lot. SWP Imported crushed asphalt (millings) as base stabilizer dust control product and waterproofed the surface with asphalt emulsion. SWP completed this in 5

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FHWA, Bitter Lake Wildlife Refuge Road Improvements

Bitter Lake National Wildlife Refuge: Prime Contractor $2,167,262 The USDOT, Central Federal Lands Highway Division of the Federal Highway Administration contracted with SWP on an 8.05 mile AB and Hot Asphaltic Concrete Paving project at the Bitter Lake National Wildlife Refuge outside of Roswell, NM. Project Work Included: Demolition Roadbed reconditioning Placement of aggregate surface course

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