US Customs and Border Protection Infrastructure - Wellton, Arizona

The US Customs and Border Protection is building a new facility located in the Town of Wellton, designed to accommodate 300 border patrol agents.

The station consists of a mix of buildings on 31 developed acres on a 42 acre lot. The main, vehicle maintenance facility, a fuel island, and a dog kennel.

Our team designed the On-site Wastewater Treatment System (OWTS) to collect domestic wastewater from the station, dog kennel, fuel island and maintenance shop. Infrastructure design included percolation testing and ADEQ Site Investigation.

Our team also designed a new waterline for the Town of Wellton, to supply domestic water and fire protection water to the new station. The waterline project included 1.5 miles of 16" diameter water main, with fire hydrants and water valves, constructed along County 11th Street from Avenue 29 1/2 E to Avenue 31 E. During the construction phase, our team was contracted to provide geotechnical testing. These services included compaction testing, concrete testing and grout testing. Our special inspector is providing structural masonry, steel, welding, bolting, reinforced concrete and EIFS inspections.

Federal Express City Station Van Complex - Yuma International Airport

NEI was selected to be the civil engineering firm on the FedEx City Station Van Complex project and provided comprehensive engineering services including schematic design, design development, construction documentation, construction staking, quality control materials testing, and special inspection services. The preliminary site plan included traffic/access points from 40th Street, parking for customers versus employees and security fencing. Our team developed construction documents which included a dimensioned site plan, grading plan, utility plan, landscaping plan and all associated construction details. Additionally, NEI's design incorporated careful documentation of Sustainable Site and Water Efficiency credits, which included water efficient landscaping, parking for low emitting and fuel efficient vehicles, stormwater quality control and reduction in the heat island effect.

Spring Street Reconstruction - City of Somerton, Arizona

The Somerton Spring Street Improvements project is located in the City of Somerton, Arizona, in an area in critical need of rehabilitation to improve the service life of the street and to protect the adjacent homes from flooding. NEI provided the infrastructure improvement plans for the roadway and drainage design as well as contract administration, construction staking, and materials testing services.

Kofa High School Campus Reconstruction - Yuma, Arizona

The Kofa High School Campus Reconstruction Project included the construction of three classroom buildings, a gymnasium, an administration building, a sports complex restroom/concession building, an outdoor dining/patio area, two parking lots with associated bus lanes and roadways, an underground stormwater conveyance system, and interior campus infrastructure improvements. NEI's survey division provided boundary and topographic mapping. Our civil division provided project management and site master planning, civil engineering, and hydrology and hydraulic studies for stormwater conveyance. Construction support services included construction staking, soils investigation, materials testing, nuclear density testing, moisture density relations, erosion and sediment control plan, SWPPP, and asbestos investigation and abatement. When endangered Burrowing Owls were discovered on the site, NEI's environmental division completed an initial biological reconnaissance and coordinated the relocation of eleven owls.

Somerton Main Street & Somerton Canal Multi-Use Pathway - Somerton, Arizona

NEI was contracted by the City of Somerton to provide a Scoping Document and construction drawings for the future Somerton Main Street Multi-use Pathway and Somerton Canal Multi-Use Pathway. These projects are part of the City of Somerton's Shared Use Pathway and Trails Master Plan and the Arizona Department of Transportation's (ADOT) Transportation Enhancement Program. Upon completion of construction, these projects will include 8-foot wide concrete pathway along the south side of US 95 and along the Somerton Canal with strategically placed sitting areas with decorative benches, solar pedestrian lighting and decorative trash receptacles will be included.

Lin's Grand Buffet Restaurant - Yuma, Arizona

The Lin's Grand Buffet Restaurant is a proposed 11,000 SF, pre-engineered metal building located on the southeast corner of 16th Street and Pacific Avenue, in the City of Yuma. NEI was selected as the Civil Engineer and produced a topographic survey of the site and the surrounding area in order to delineate the areas of stormwater concern. The topographic survey revealed that the existing grades within the development area were roughly three feet below the grades and that during storm events the entire site acted as a retention basin. NEI developed an innovative solution for the site utilizing an underground detention system. NEI's innovative approach allowed for the development of this site when conventional stormwater design options were not possible. Other design elements included parking lot design and associated lighting, signage, landscaping and offsite improvements of 24th street and Pacific Avenue.

Wellton Water Treatment Plant Expansion - Wellton, Arizona

Nicklaus Engineering, Inc. designed the expansion of the Water Treatment Plant in Wellton, AZ. Expansion included the addition of a 600,000 gallon storage tank with all related appurtenance including foundation design, steel tank, site piping and connection to the existing filtered water system. Also included is a new filtration system for a total of six new filtration tanks with related piping for connection to clarified water, pumping station and backwash connection. Nicklaus Engineering, Inc. provided topographic survey, site grading plan, piping plan, and all related details for tank and filter system.

Paving Preservation Program - Mohave County

Mohave County solicited NEI to provide an engineering based, macro-level quantitative assessment of pavement structural stability of approximately 300 centerline miles of county maintained roads. NEI's completed assessment will be utilized as a critical tool to develop a Capital Pavement Preservation Program (CPPP) that would help Mohave County identify, schedule and budget for the structural rehabilitation of regional highways, arterial roadways, and select collector roadways.

NEI's assessment included a three prong approach: data compilation and organization, structural design calculations, and technical recommendations. Data gathering included the sorting through a network of roadway records to establish study roadway sections, as well as the determination of the subgrade Unified Soil Classification System (USCS) category for each study roadway section utilizing NRCS Web Soil Survey. Structural design calculations included the computation of the cumulative traffic load for all study roadway sections, and the determination of both the design structural number (DSN) and operational structural number (OSN) of each study roadway section. The structural stability of each study roadway section was expressed as a ratio of the OSN to DSN, which allowed NEI to determine pavement rehabilitation treatment recommendations. Upon evaluation of the structural stability NEI developed three technical memorandums that outlined the recommendations for Mohave County including; Chip Seal over Geotextile, Hot Mix Asphalt and Full Depth Reclamation.

NEI established technical recommendations are expected to be incorporated with Mohave County's Chip Seal program in order to sustain pavement serviceability for the project roads.

San Luis Port Subdivision - San Luis, Arizona

San Luis Port Subdivision is a proposed commercial, industrial, residential project that will develop an area of approximately 235 acres of land adjacent to Avenue E and County 24th Street within the city limits of San Luis, Arizona. This new subdivision will include approximately 21 acres of commercial, 141 acres of light industrial and 23 acres of residential properties. Nicklaus Engineering, Inc. (NEI) masterplanned this project with careful consideration to commercial corridors such as Avenue E, and the industrial uses expected at this port of entry location. NEI is currently completing Phase 1 of the proposed development and will include a sewer lift station for all future phases.

Mesquite Mines Truck Maintenance Shop and Improvements - Brawley, California

Western Mesquite Mines, Inc. contracted Nicklaus Engineering, Inc. (NEI) to perform design and consulting services for its newly re-opened Mesquite gold mine located near Brawley California. The mine was in need of many new support facilities and infrastructure to realize their planned increase in production. The project included a new 17,250 SF pre-engineered steel building, to serve as the new truck shop and parts storage facility a 4,000 GPD state of the art onsite sanitary septic system with three 1,500 gallon septic tanks, one 750 gallon pump tank, three pressurized leach fields with alternating operation, an automated diversion valve, and pump and alarm controls with remote operation and monitoring capabilities, a new Fuel Island housing a 90,000 gallon diesel storage tank, a 10,000 gallon gasoline storage tank and service pumps, two automated Lime Storage Silos, a Truck Wash facility, and a Carbon Column process structure. NEI provided all the topographic survey services for the project as well as construction staking and soils investigations. Project Cost $5,650,000

San Luis Port of Entry II - San Luis, Arizona

The Greater Yuma Port Authority, ADOT and GSA have developed a new commercial port of entry at the border with Mexico, 4 miles east of the city of San Luis, Arizona. NEI was engaged to prepare the masterplan for this 347 acre site commercial port. Civil design services included the design of 3 miles of concrete paved road, loading docks, traffic tunnel, security fencing, pedestrian walkways, grading, drainage, and erosion control. Work included a hydrological study of the the site for drainage work, 2.5 miles of new 12" water main, 1.5 miles of new 6" sewer force main, a new sewer lift station, 2.5 miles of new paved roadway, and on-site stormwater retention. Land surveying services included boundary survey of the project site, a land and aerial survey of the site. A ground survey was conducted on areas critical to the design of the site, including roads, water and sewer lines from the site. $2.24 million