Contract: $24,870,587.00
Completed: December 2011
Owner: Brainerd Public Utilities
Engineer: Barr Engineering – Minneapolis, MN & BDM Consulting Engineers – St Paul, MN
Scope: Addition, expansion and modifications to existing WWTP. New structures include: headworks building, SBR Facility, UV Disinfection Facility, Anaerobic Digesters, Sludge Storage Tank, and Sludge Thickening Facility. Structures consist of new precast buildings and cast in-place concrete tanks with associated mechanical and electrical services. Process equipment includes screening equipment, SBR equipment with blowers and pumps, UV equipment, digester equipment with covers and mixing systems, gravity belt thickeners and chemical feed systems.
Plant Capacity will be upgraded to 11 MGD
Contract: $10,940,800.00
Completed: November, 2011
Owner: City of Burnsville, MN
Engineer: S.E.H., ST. Paul, MN
Scope: New multi-level block and brick masonry water treatment building. Water treatment building includes: cast in place concrete sand filters, flocculators,chlorine contact basin and backwash reclaim tank. Scope also included tw raw water surface wells with submersible well pumps, chemical feed equipment, and various process equipment. Electrical, Mechanical, HVAC and controls.
Plant Capacity is 6 MGD.
Contract: Multiple Contracts ranging from $20,000 to $3,600,000.00
Completed: Work Completed in 1981, 1994, 1997, 2006 and 2009
Owner: City of Elk River, MN
Engineer: Various
Scope: Multiple expansions of the existing wastewater treatment facility, including but not limited to head works, clarifiers, digesters, filters and various other treatment process.
Contract: $10,921,410.00
Completed: November 2007
Owner: City of Hutchinson, MN
Engineer: Engineer: Earth Tech, Minneapolis, MN
Scope: Construction of new water treatment plant and demolition of existing WTP. New WTP included RO and biofiltration processes, clear wells, high service pumps, chemical feed systems and misc. piping and site work.
Plant Capacity 6.5 MGD
Contract: $3,558,054 (2000), $8,626,451 (2003) and $12,597,729 (2012)
Completed: Work completed in 2001, 2005 and 2013
Owner: City of Litchfield, MN
Engineer: Various
Scope: Expansions of the existing wastewater treatment facility, including but not limited to aeration basins, clarifiers, pumping stations, filter systems, digesters and various process.
Contract: $15,409,385.00
Completed: June 2010
Owner: City of Mankato, MN
Engineer: Earth Tech, Stevens Point, WI
Scope: Addition to the existing WTP and modifications to existing WTP. New addition included 103 foot by 82 foot masonry and steel building with three operating levels. New addition includes installation of ultra filtration membrane treatment system. Modifications to existing building include replacing existing filters with new softener packages.
Plant capacity was upgraded to 12 MGD
Owner |
Project |
City |
Amount |
City of Hibbing | Wastewater Treatment Plant | Hibbing, MN | $6,544,600 |
City of Mankato | WTP Lime Pump Mods | Mankato, MN | $117,900 |
City of Oslo | Ground Storage Tank | Oslo, MN | $1,478,000 |
Central Iron Range Sanitary Sewer | Lift Station | Chisholm, MN | $1,844,000 |
City of Winona | WTP Improvements | Winona, MN | $190,948 |
City of Arlington | Wastewater Treatment Facility | Arlington, MN | $4,243,700 |
City of Litchfield | Wastewater Treatment Facility | Litchfield, MN | $12,597,729 |
City of Brainerd | Wastewater Treatment Facility | Brainerd, MN | $24,870,587 |
City of St. Cloud | Lift Station #4 | St. Cloud, MN | $240,180 |
City of Duluth | Highland Pump Stat. | Duluth, MN | $1,443,713 |
City of Morton | Wastewater Treatment Facility | Morton, MN | $5,107,989 |
City of Aurora | Wastewater Treatment Facility | Aurora, MN | $560,176 |
City of St. Paul | Lift Stations | St. Paul, MN | $1,642,209 |
City of Hoyt Lakes | Water & Wastewater Renovations | Hoyt Lakes, MN | $148,800 |
City of Coon Rapids | Lift Station | Coon Rapids, MN | $436,562 |
City of Duluth | Digester Replacement #1 | Duluth, MN | $229,960 |
City of Duluth | Water Pump Station | Duluth, MN | $1,403,225 |
City of Detroit Lakes | WTF | Detroit Lakes, MN | $1,811,006 |
City of Mankato | WTP | Mankato, MN | $15,097,377 |
City of Andover | WTP | Andover, MN | $699,500 |
City of Burnsville | Maple Island LS | Burnsville, MN | $300,600 |
City of Clearwater | Lift Station | Clearwater, MN | $51,600 |
WLSSD | Pump Station | Scanlon, MN | $1,979,200 |
City of Pelican Rapids | Wastewater Treatment Facility | Pelican Rapids, MN | $4,282,155 |
City of Aurora | Wastewater Treatment Plant | Aurora, MN | $3,946,222 |
City of Clearlake/Clearwater | Wastewater Treatment Facility | Clearlake, MN | $6,157,986 |
City of Burnsville | Surface WTP | Burnsville, MN | $10,940,801 |
City of Elk River | Wastewater Treatment Plant | Elk River, MN | $3,594,700 |
City of Pine City | WTP | Pine City, MN | $3,679,728 |
City of Waconia | WTF | Waconia, MN | $5,046,900 |
City of Le Sueur | Wastewater Treatment Facility | Le Sueur, MN | $17,535,000 |
Buffalo Lake Energy | Wastewater Treatment Plant | Fairmont, MN | $3,424,466 |
City of Medford | Wastewater Treatment Plant Improvements | Medford, MN | $1,242,000 |
City Of Harris | Wastewater Treatment Facility | Harris, MN | $4,326,678 |
City of St. Louis Park | Lift Station | St. Louis Park, MN | $468,377 |
City of Maple Lake | WTP | Maple Lake, MN | $639,000 |
City of Winsted | Wastewater Treatment Facility | Winsted, MN | $1,476,000 |
City of Oakdale | Lift Station | Oakdale, MN | $1,122,000 |
City of Le Center | WTF | Le Center, MN | $3,153,000 |
City of Plainview | Wastewater Treatment Plant | Plainview, MN | $4,825,600 |
City of Aurora | Wastewater Treatment Facility | Aurora, MN | $2,067,107 |
City of Hutchinson | WTP | Hutchinson, MN | $10,900,00 |
City of Lester Prairie | Wastewater Treatment Plant | Lester Prairie, MN | $3,794,600 |
City of Watertown | LS | Watertown, MN | $965,730 |
City of Forest Lake | Wastewater Treatment Plant | Forest Lake, MN | $3,096,980 |
City of Plymouth | LS | Plymouth, MN | $1,441,728 |
City of Elk River | Wastewater Treatment Plant | Elk River, MN | $1,818,603 |
City of Albertville | WTP | Albertville, MN | $3,707,499 |
City of Otsego | Wastewater Treatment Facility | Otsego, MN | $9,362,514 |
City of Big Lake | WTF | Big Lake, MN | $8,053,366 |
City of Fairmont | Wastewater Treatment Plant | Fairmont, MN | $12,442,309 |
City of Arden Hills | Lift Station | Arden Hills, MN | $242,474 |
City of Chisholm | WPI | Chisholm, MN | $423,502 |
City of Mayer | Wastewater Treatment Plant | Mayer, MN | $3,216,980 |
City of Benson | Wastewater Treatment Facility | Benson, MN | $3,642,517 |
City of E Gull Lake | Wastewater Treatment Plant | East Gull Lake, MN | $2,175,603.17 |
City of Cold Spring | Wastewater Treatment Facility | Cold Spring, MN | $6,756,116 |
City of Delano | Wastewater Treatment Facility | Delano, MN | $7,533,179 |
City of Gilbert | Wastewater Treatment Plant | Gilbert, MN | $155,000 |
City of Montgomery | Wastewater Treatment Plant | Montgomery, MN | $6,245,000 |
City of Hibbing | Wastewater Treatment Plant | Hibbing, MN | $8,891,000 |
City of Albert Lea | SCADA | Albert Lea, MN | $62,298 |
City of Albert Lea | Digester Cover | Albert Lea, MN | $512,900 |
City of Lakeville | Lift Station | Lakeville, MN | $86,850 |
Town Centre Development | Wastewater Treatment Facility | Big Lake, MN | $587,000 |
City of Vermillion | Wastewater Treatment Improvements | Vermillion, MN | $619,000 |
City of Austin | Wastewater Treatment Plant | Austin, MN | $4,047,861 |
City of Litchfield | Wastewater Treatment Plant | Litchfield, MN | $8,626,451 |
City of Otsego | Wastewater Treatment Plant | Otsego, MN | $2,252,061 |
City of Faribault | Reservoir | Faribault, MN | $1,002,334 |
City of Minnetonka | Lift Station | Minnetonka, MN | $79,721 |
City of Buffalo | Lift Station 1 | Buffalo, MN | $651,815 |
City of Hinckley | Water Treatment Plant | Hinckley, MN | $1,279,000 |
City of Albert Lea | Water Treatment Plant | Albert Lea, MN | $1,489,306 |
City of Babbitt | Water Treatment Plant | Babbitt, MN | $1,546,455 |
City of Northfield | Wastewater Treatment Facility | Northfield, MN | $17,119,169 |
City of Arden Hills | Lift Station | Arden Hills, MN | $283,757 |
City of St. Paul | Water Treatment | St. Paul, MN | $102,500 |
City of West St. Paul | Lift Station | West St. Paul, MN | $393,056 |
City of St. Paul | Lift Station | St. Paul, MN | $591,430 |
City of Albertville | Wastewater Treatment Plant | Albertville, MN | $2,760,900 |
City of St. Michael | Wastewater Treatment Facility | St. Michael, MN | $5,774,689 |
City of Rockford, MN | Main Lift Station | Rockford, MN | $923,272 |
City of Winona, MN | Wastewater Treatment Facility Improvements | Winona, MN | $2,566,486 |
City of Buffalo, MN | Biosolids Expansion at Wastewater Treatment Facility | Buffalo, MN | $2,461,000 |
City of Buffalo, MN | Lift Station Improvements | Buffalo, MN | $657,797 |
City of Gilbert, MN | Wastewater Plant Improvements – III | Gilbert, MN | $96,800 |
City of St. Paul | Riverview Lift Station Rehab | St. Paul, MN | $541,700 |
City of Wabasha | Wastewater Sludge Reed Beds | Wabasha, MN | $421,200 |
City of West St. Paul | Lift Station No. 1 Renovation | West St. Paul, MN | $677,880 |
City of Tower | Water Treatment Facility | Tower, MN | $696,871 |
City of Grand Rapids | Wastewater Treatment Facility Improvements | Grand Rapids, MN | $397,200 |
City of Otsego | Wastewater Treatment Facility | Otsego, MN | $2,031,323 |
City of Litchfield | Water Treatment Facility | Litchfield, MN | $3,558,054 |
City of Princeton | Water Treatment Plant | Princeton, MN | $597,088 |
Metropolitan Council | Lift Station Renovation L52 | St. Paul, MN | $328,889 |
City of Minnetonka | Woodgate Lift Station | Minnetonka, MN | $121,444 |
BFI Industries | Pine Bend Landfill Leechate Storage | Inver Grove Heights, MN | $283,700 |
City of Rochester | Water Reclamation Plant Concrete Repair | Rochester, MN | $274,300 |
City of Morristown | Wastewater Treatment Facility Improvements | Morristown, MN | $1,084,600 |
City of Gilbert | Digester Cover Replacement | Gilbert, MN | $189,887 |
City of Delano | Wastewater Treatment Facility Improvements | Delano, MN | $1,011,277 |
City of Hoyt Lakes | Water Booster Station | Hoyt Lakes, MN | $465,219 |
City of Faribault | Wastewater Treatment Facility Improvements | Faribault, MN | $6,850,072 |
City of Hibbing | Kitzville Lift Station Modifications | Hibbing, MN | $153,792 |
City of Buffalo | Lift Station Upgrade/Milfoil Building | Buffalo, MN | $358,015 |
City of Rockford | Wastewater Treatment Facility Improvements | Rockford, MN | $1,623,946 |
City of Buffalo | Oxidation Ditch Expansion at WWTF | Buffalo, MN | $6,806,314 |
City of Elk River | Wastewater Treatment Facilities | Elk River, MN | $3,244,759 |
City of Becker | Trickling Filter Media Repair | Becker, MN | $261,987 |
City of Babbitt | Wastewater Treatment Facility | Babbitt, MN | $602,700 |
City of St. Michael | Municipal Wastewater Treatment Facilities | St. Michael, MN | $2,737,100 |
City of Glencoe | Wastewater Pollution Control Plant Modification | Glencoe, MN | $2,649,794 |
City of Princeton | Wastewater Treatment Facilities | Princeton, MN | $3,216,541 |
City of Rogers | Wastewater Treatment Facilities | Rogers, MN | $1,904,527 |
City of Becker | Wastewater Treatment Facilities | Becker, MN | $6,817,584 |
City of Virginia | Lift Station Modifications | Virginia, MN | $109,500 |
City of Babbitt | Wastewater Treatment Plant | Babbitt, MN | $243,468 |
City of Elk River | Wastewater Treatment Plant | Elk River, MN | $914,259 |
City of Rogers | Ultra Light Disinfect Facilities at WWTF | Rogers, MN | $63,500 |
City of Kerkhoven | Sludge Storage Tank | Kerkhoven, MN | $119,793 |
City of Monticello | Digester Cover Replacement | Monticello, MN | $170,585 |
City of Hoyt Lakes | Water & Wastewater Treatment Facilities | Hoyt Lakes, MN | $458,564 |
City of Watertown | Wastewater Treatment Facility | Watertown, MN | $2,856,956 |
City of Harmony | Wastewater Treatment Facility Improvements | Harmony, MN | $1,415,656 |
City of Motley | Water Treatment Plant | Motley, MN | $576,067 |
City of Pine Island | Wastewater Treatment Facilities | Pine Island, MN | $2,251,905 |
City of Eveleth | Water Treatment Facilities Improvements | Eveleth, MN | $632,553 |
City of St. Anthony | Water System Improvements | St. Anthony, MN | $162,043 |
City of Gilbert | Water Treatment Plant Improvements | Gilbert, MN | $321,980 |
City of Grand Marais | Water Treatment Facility Improvements | Grand Marais, MN | $723,428 |
City of New Richland | Wastewater Treatment Facilities | New Richland, MN | $2,514,455 |
City of Aitkin | Wastewater Treatment Facilities | Aitkin, MN | $1,803,611 |
City of Mound | Lift Station Improvements | Mound, MN | $200,186 |
City of Edina | Pump Station Improvements | Edina, MN | $231,095 |
City of Chisholm | Pump Station Improvements | Chisholm, MN | $233,600 |
City of Worthington | Water Treatment Facility | Worthington, MN | $3,451,665 |
City of Orr | Wastewater Treatment Facilities Improvements | Orr, MN | $950,947 |
City of International Falls | Water Treatment Facility | International Falls, MN | $4,433,353 |
North Koochiching | Chlorination System | $968,732 | |
City of Glencoe | Water Treatment Facility Additions | Glencoe, MN | $1,080,320 |
Gold'N Plump | Equalization Improvements | Cold Spring, MN | $129,899 |
City of Holdingford | Wastewater Treatment Facility Improvements | Holdingford, MN | $1,468,359 |
City of Melrose | Wastewater Treatment Facilities | Melrose, MN | $1,774,836 |
City of Keewatin | Wastewater Treatment Facilities | Keewatin, MN | $1,588,464 |
City of Hibbing | South Wastewater Treatment Facilities | Hibbing, MN | $7,198,483 |
Western Sanitation Sanitary Sewer | Lift Station Improvements | $1,334,202 | |
City of Waverly | Wastewater Treatment Facility | Waverly, MN | $510,920 |
City of Springfield | Wastewater Treatment Facility | Springfield, MN | $2,613,853 |
City of Windom | Lift Station Renovations | Windom, MN | $162,776 |
Metropolitan Waste Control Commission | Meter Station Improvements | St. Paul, MN | $79,471 |
City of Howard Lake | Wastewater Treatment Facilities | Howard Lake, MN | $2,125,747 |
City of Blue Earth | Wastewater Treatment Facilities | Blue Earth, MN | $2,987,787 |
City of Delano | Secondary Wastewater Treatment Facilities | Delano, MN | $1,660,847 |
City of Mankato | Equalization Basin System | Mankato, MN | $3,877,326 |
City of New Hope | Lift Station 1 & 3 Renovation | New Hope, MN | $194,253 |
City of Cannon Falls | Wastewater Treatment Plant Facilities | Cannon Falls, MN | $1,293,620 |
City of Chaska | Water Treatment Plant Expansion | Chaska, MN | $801,004 |
Metropolitan Waste Control Commission | Digester Cover Improvements | St. Paul, MN | $104,204 |
City of Hibbing | Water Treatment Plant | Hibbing, MN | $2,566,850 |
City of Hutchinson | Water Treatment Facilities | Hutchinson, MN | $1,239,130 |
Metropolitan Waste Control Commission | Lift Station & Interceptor | St. Paul, MN | $597,373 |
City of Mahnomen | Wastewater Treatment Facility Improvements | Mahnomen, MN | $252,780 |
City of Spring Park | Water Treatment Plant | Spring Park, MN | $397,059 |
City of Rockford | Wastewater Treatment Plant Additions | Rockford, MN | $974,378 |
City of Motley | Sanitary Sewer Extension | Motley, MN | $78,330 |
Cimarron Park | Wastewater Treatment Facility Improvements | Lake Elmo, MN | $75,800 |
City of Gilbert | Sewage Treatment Facilities | Gilbert, MN | $305,654 |
Metropolitan Waste Control Commission | Metering Station Improvements | Minneapolis, MN | $708,346 |
City of Elk River | Primary Clarifier Sludge Collector | Elk River, MN | $19,200 |
City of Minnetonka | Water Treatment Plant | Minnetonka, MN | $839,200 |
Metro Sewer Board | Lift Station Additions | Metro Area, MN | $145,700 |
City of Somerset | Wastewater Treatment Plant | Somerset, WI | $540,000 |
City of Eveleth | Water Plant Revisions | Eveleth, MN | $433,248 |
Armour Meat Packing | Sewage Treatment Plant | Cold Spring, MN | $163,806 |
City of Gilbert | Sewage Treatment Plant | Gilbert, MN | $1,418,900 |
City of Aurora | Sewage Treatment Plant | Aurora, MN | $1,153,250 |
City of Babbitt | Sewage Treatment Plant | Babbitt, MN | $383,131 |
Metro Sewage Board | Sewage Treatment Plant | Savage, MN | $550,289 |
City of Little Canada | Water Pump House | Little Canada, MN | $149,320 |
City of Delano | Sewage Treatment Plant | Delano, MN | $46,400 |
City of Medina | Water Pump House | Medina, MN | $34,395 |
City of Albertville | Water Pump House | Albertville, MN | $249,490 |
City of Grand Rapids | Sewage Plant | Grand Rapids, MN | $3,417,000 |
3990 27th Street SE | Buffalo, Minnesota 55313 | Phone:763-559-3734 | Fax: 763-559-3736 |gridor@gridor.com
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