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Stormwater/Drainage Design Experience
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FRA-670-3.17 Stormwater Outlet Impact Study
- Study and stormwater analysis of storm flow between Neil Avenue and North High Street
- Compared pump station to gravity sewer outlet to handle the increased storm flow due to additional traffic lanes on I-670
- Gravity sewer was determined to be less costly to build and maintain
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Twelfth Avenue Sewer Separation - Part II
- $6.0 M project completed in 1997
- Design for 2,200-feet of 14'x5' box sections constructed by cut and cover
- Reconstructed pavement, curb and sidewalk on Twelfth Avenue
- Required tunneling for more than 1,000 feet of 102" storm conduit
- Extensive maintenance-of-traffic plans
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Twelfth Avenue Sewer Separation - Part I
- $750,000 project completed in 1992
- Purpose of project was to alleviate severe flooding in the OSU campus area
- Detailed plans and specifications to replace aging 108" storm sewer
- Project was a result of the OSU Area Stormwater Study prepared earlier by our firm
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Stormwater Detention Basin and Sanitary Sewer Filter Screen Marysville Reformatory for Women
- $170,000 project completed in 1991
- Included a mechanical filter screen and electrical service to operate
- Storm water retention basin retrofit
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New Albany Expressway Stormwater and Drainage
- ODOT’s single largest project during 1996
- 7.4 miles of 4 to 6-lane pavements / 3-1/2 interchanges
- Peripheral streets and roadways totaled 12.5 miles
- Controlling stormwater required 6.7 miles of 6" to 60” conduit
- Additional 35 miles of 4" and 6" underdrain required under the pavement
- Also included roadway ditch analysis
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- $799,176 project completed in 1996
- Improved 3,000 feet of stormwater ditch
- Included detailing 5 pre-cast concrete sectional culverts
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Franklin Main Sanitary Sewer
- Trenchless rehabilitation of 1,600 ft. section of 30" round brick sewer on the OSU Main Campus with 30" CIPP Liner (11.0 mm)
- University elected to improve the Franklin Main due to age (c. 1895), and recreation fields being constructed above it (ownership of sewer by City)
- Analysis of existing sewer involved light cleaning and CCTV services
- Provided design and construction administration in 2003
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Sanitary & Storm Sewer System Renovation Ohio Reformatory for Women
- $2.1 M sanitary and storm sewer system improvement project at aging penal institution
- Evaluation of manholes, sump pumps, and lift stations, and close circuit televising of the sanitary sewer system
- CCTV inspection coupled with colored dyes to determine cross connections between the storm and sanitary sewers
- Prepared construction plans and bid documents for rehabilitation
- Emphasis on non-disruptive remedial repair such as relining
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Waterline Design Experience
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Sullivant Avenue Water Line Cleaning
- Design completed in 2003
- Cleaning and lining of 19,200 ft. of 20” water main
- Includes replacing several defective water valves
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Wexner Center Waterline The Ohio State University
- $40,000 project completed in 1984
- Development of construction plans for 20” waterline under College Road
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OSU Utility Master Plan - Northwest Sector
- $730,000 project completed in 1986
- Development of utilities plan for future needs for the 700-acre site
- Recommended a plan for 12,000 ft. of 8”, 10”, and 12” waterlines
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Doherty Road - Feder Road Waterline
- $340,000 project completed in 1983
- 9,500 ft. of 12" waterline to service an area being supplied by individual wells
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Oakland Park Avenue, Cleveland Avenue, and Gay Street Water Mains
- $330,000 project completed in 1987
- 3,900 ft. of 6" to 8" water lines to boost pressure and improve fire protection
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Waterline Improvements in the Southwest Columbus Quadrant
- $705,000 project completed in 1991
- 13,400 ft. of 6" to 8" water lines at 15 locations to boost pressure and improve fire protection
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Waterline Improvements in the Southeast Columbus Quadrant
- $940,000 project completed in 1994
- 9,400 ft. of 6" to 16" water lines at 21 locations to boost pressure and improve fire protection
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Central Pressure District Waterline Improvements
- $990,000 project
- 11,940 l.f. of 12", 8" and 6" water line located on 13 streets
- Alignment, reference points and topography were field surveyed for each location
- New water lines provided cross-connections between streets to boost pressure to 119 service taps for individual residences
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Central Waterline Replacement
- $700,000 project completed in 1995
- Project replaced 2" to 20" watermains
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Waterline Replacement Columbus Developmental Center
- $684,000 project completed in 1996-1997
- Project accomplished in two phases
- Replaced 9,700 l.f. of 6", 8" and 12" waterlines, installed meters, and replaced older services lines to the various facilities on the campus
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Oval Restoration - The Ohio State University
- Completed in 2003
- Construction cost $558,000
- Investigated alternative water sources for irrigation and modeled existing system with flow test data to determine proper size of piping and equipment
- Designed waterline connection from main line to irrigation system
- Designed meter, backflow preventer, and irrigation flow controller within the basement of adjacent building restoration project
- Construction administration services included limited observation
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