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This project consisted of street improvements on 4th Street from Clark Avenue to Garfield Avenue, which is the downtown business district in Dell Rapids. Also included in this project were improvements to the water main, sanitary sewer and storm sewer in conjunction with street improvements. Street paving on 4th Street was with 8″ and 9″ concrete, with some asphalt concrete paving used on intersecting street tie-ins. All sidewalks were also reconstructed with the use of colored concrete inlays and the existing street lighting was replaced with decorative street lights.
In order to revitalize the Pearl Street Corridor and promote redevelopment in the city, Sioux City began a multi-phase, multiple-year project to replace paving and aging utilities and install new sidewalks, decorative street lights and traffic signals where needed.
Since the soils were soft and drainage was minimal, subdrains were installed along each side of the street under a drainage base. The subdrains were connected to the proposed storm sewer system.
DGR Engineering was selected as the most qualified firm to provide the design services for each of the three phases of the project. The projects included investigation of existing utilities in the area that in general were over 100 years old and planned improvements for utilities, paving, traffic signal and streetscaping items. Colored concrete, ornamental trees, and decorative light poles were included in the project design for Phases II and III.
Phase I included coordination with the Prime Living construction project between 7th and 8th Streets that was under development as well as the reconfiguration and reconstruction of the skewed intersection with W 7th Street in order to improve turning movements and align the through movements with 8th Street to the east of Pearl Street. Phases II and III included coordination with many of the property owners along the street to close up area ways (basements that extended in the public right of way under the sidewalks) in order to replace the deteriorating sidewalks.
Phase III was delayed several times due to funding issues, but ultimately was fast tracked to bids with the added reconstruction work on 3rd Street from Water Street to Pearl Street and utility relocation work to be completed in time for the opening of the new Hard Rock Casino.
Construction on all phases of the project was coordinated with business/property owners and split into multiple construction phases to provide access during construction and maintain traffic crossing the project corridor as much as possible. DGR was involved in all aspects of survey, design and letting of all phases of the project and provided all construction services, including administration, observation, and staking Phases I and III.
To improve the quality of the downtown shopping experience and encourage continued retail growth and reinvestment in the downtown area, the City of Orange City adopted a long-term plan to replace the streets in the downtown business and government district (city hall, county courthouse and other county offices). DGR Engineering was selected under separate engineering agreements to provide survey design and construction services for these projects.
Most areas of the downtown streets are 63 feet wide with one lane of traffic in each direction with diagonal parking in front of the businesses on each side. The entire width of all streets was reconstructed with new pavement. New sidewalks with decorative concrete paver inserts were installed along all sections of Central Avenue and portions of 2nd Street NW and NE. Most existing street trees along Central Avenue were retained with tree grates installed in the new sidewalk and brick pavers.
Existing water main and water services were replaced along most street segments along with sanitary sewer and storm sewer improvements as needed. Existing street lights were removed and refurbished, then reinstalled on new concrete footings with decorative shrouds at the base. Centerline and gutter line street grades on Central Avenue were adjusted to match grades of existing store fronts on each side of the street, while maintaining proper drainage in the gutter.
Where diagonal parking was present on side streets, the street section and grades where modified to move the storm drainage from the middle of the parking stalls to a gutter section at the back of the parking stalls, thereby allowing shoppers to exit their vehicle and get to the sidewalk without stepping into gutter.
DGR and the city worked closely with the business owners in the design phase to determine the desired look of the completed project and to incorporate business access into the construction phasing plans.