Drilling & Blasting Contractor

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1. Blasting of 5 bridge piers, Devil’s Fork Little Red, Greer’s Ferry Lake, Cleburne County, AR, 8/98. Mobley Contractors, Ken French, (501) 354-2510.  Jared Redyke
2. Drilling/Blasting 2 piers over St. Francis River, Robertson Contracting, Lake City, AR, 1/98. Ben Holt, (573) 785-0880.  Dykon Project Manager, Jared Redyke
3. Drilling & blasting for repair of Dam, Pittsburg, OK, 8/96. City of Pittsburg, Ire Johnston, (918) 432-5516.   Emergency drilling and grouting of earthen dam.  Drilling and blasting of rock to enlarge spillway capacity. Dykon Project Manager, Jared Redyke
4. Drilling and blasting trench, Hwy 10 Water & Sanitary Sewer Relocation, Tar Creek Crossing, Miami, OK, 3/96. Morgan Construction Co., Red Oak, OK, Cecil Morgan, 918-754-2343.  Dykon Project Manager, Jared Redyke
5. Drilling & Blasting of Cornville Dam, Washita River, Chickasha, OK, 9/95. Drilling and blasting of water control structure and dam spillway in Washita River built in 1907.  Midwest Wrecking Company, Edmond, OK, Ben Kates, (405) 478-8833.  Dykon Project Manager, Jared Redyke
6. Demolition of 2 bridge piers for Jensen Construction Company, Tulsa, OK. Job location –Holiday Island, AR, 7/94. Kent Glesner, (918) 245-6691.  Jensen construction hired the piers to be drilled by another source.  The drilling was done from the top of an existing bridge deck to be removed.  The driller did not get the holes deep enough and the piers were left in the bottom of the lake channel when they were shot.  The short holes were not discovered until Dykon arrived onsite to blast the piers.  At this time the deck had already been removed and it was not possible to drill the holes any deeper.  The piers were shot to the depth they were drilled, Dykon sent certified divers down and , using explosives, removed the remaining piers to final limits underwater.  Water depth was 25 feet.  Project Manager – David Hersey
7. Felling of 4 steel trusses plus piers on Hwy. 82 Bridge for Jensen Construction Co. Job location – Tahlequah, OK, 4/93. John Deering, (918) 245-6691.   The Bridge piers were drilled from the bridge deck prior to shooting the spans down.  The columns were too tall to accurately drill straight for the entire height to be removed, so they were split at the water line.  The steel spans were sectionalized and shot with linear shaped charges.  The above water sections of the piers were loaded from a crane basket from a barge.  The remaining concrete piers were then drilled vertically and shot to below mud-line from a spud barge.  Water Depth was 60 feet.  Project Managers,  Jared Redyke on the steel spans, David Hersey on the concrete piers.
8. Blasting of concrete bridge arches on Route 279 Bridge, Quachita River, for Jensen Construction Co. Job location – Hot Springs, AR, 3/93. Ron Barnes, (501) 767-5960.  Project drilled by hand and shot in the water.  The arches were collapsed to three feet below water line.  The remaining concrete was drilled by hand, covered and shot.  A new bridge was less than 15 feet away.  Water depth was about 35 feet  Project Manager – David Hersey
9. Felling of damaged piers which collapsed during construction of a major cable-stayed concrete bridge over the Han River for Metro 25 Korea Ltd. Daewoo Engineering Co., Byucksan. Job location – Seoul, Korea, 12/92. Young Kim, 011-822-523-6947.    The bridge was overloaded beyond it’s capacity with construction equipment prior to the securing of the cable anchors.  When the first span failed, it caused a sympathetic failure of several spans along the new bridge.  These failures were in the center of the bridge spans and when they collapsed, they were stagged up against the new piers with the ends on the bottom of the river channel.  The collapsed bridge decks were drilled and blasted leaving the footings and new piers undamaged.  Water depth was about 25 feet.  Dykon personnel onsite – Jim Redyke and David Hersey.
10. Drilling and blasting Military Street Bascule Bridge Piers for Posen Construction, Inc. Job location – Port Huron, MI, 9/92. J. Colo, (313) 731-8442.  A sheet piling cofferdam was built around the river pier and spanned with crane mats to support the drill.  All but the top one foot of the pier was underwater.  The upstream and downstream sills were all under water.   The pier was drilled vertically through casings.  The holes were loaded through the casings in 30 feet of water.  Project Manager – David Hersey
11. Explosive demolition of the Highway 33 Bridge, 3 steel spans plus piers for Jensen Construction Co. Job location – Choteau, OK, 10/90. Dan Timmons, (918) 245-6691.   The new bridge was built right beside the old bridge to be demolished.  The steel spans were sectionalized and felled with the use of flexible linear shaped charges.  The concrete piers were demolished conventionally down to 4 feet above the existing water line.  The remaining piers were drilled vertically from a flexi-float spud barge.  The entire pier including the footings had to be removed to make room for the construction of the new piers and footings for second new bridge.  The water depth was about 35 feet.   Project Manager – David Hersey
12. Drilling and blasting 5 railroad piers across the Neosho River for Midwest Railroad Tie Sales, Inc. Job location – Iola, KS, 1/89. Curtis Schopp, Bloomington Inc., (812) 339-8437.    The piers were drilled vertically from the existing railroad bridge before the deck was removed.  The piers were removed to below the river mud-line in about 25 feet of water.  Dykon Project Manager - David Hersey
13. Felling of 3-500’ steel spans plus piers over Achafalaya River for Boh Brothers, New Orleans, LA. Job location – Krotz Springs, LA, 4/86. Mr. Potin, (504) 821-2400.
14. Blasting 2 river piers of Passyunk Bridge for C. Hannah Construction Co. and Cleveland Wrecking Co., Philadelphia, PA. Job location – Philadelphia, PA, 7/83. Harvey Stern, (215) 729-2700.
15. Narrowing of 8 concrete bridge arches and simultaneous blasting of 7 arches, saving pier, blasting of pier caps, Y bridge for C.J. Mahan Construction Co., Grove City, OH. Job location -Zanesville, OH, 3/83. Gene Horn, (614) 459-1376.
16. Blasting of 5 bridge piers, Devil’s Fork Little River, Cleburne County, AR, 8/98.  Mobley  Contractors, Ken French, (501) 354-2510. 
17. Drilling/Blasting 2 piers over St. Francis River, Robertson Contracting, Lake City, AR, 1/98. Ben Holt, (573) 785-0880.  Dykon Project Manager - Jared Redyke
18. Blasting of Highway Bridge Piers over Gasconade River, Gasconade, MO, 11/96.  Spirtas  Wrecking, Arnold Spirtas or Jeff Lacavich, (314) 862-9800.
19. Drilling & blasting for repair of Dam, Pittsburg, OK, 8/96.  City of Pittsburg, Ire Johnston,    (918) 432-5516  Dykon Project Manager - Jared Redyke
20. Explosive demolition of the Highway 33 Bridge, 3 steel spans plus piers for Jensen Construction Co. Job location – Choteau, OK, 10/90.  Dan Timmons, (918) 245-6691.  The piers were drilled from a spud barge and shot to water line, then drilled the remaining depth and shot underwater to 2 feet below mudline.  Dykon Project Manager, David Hersey
21. Blasting 2 river piers of Passyunk Bridge for C. Hannah Construction Co. and Cleveland Wrecking Co., Philadelphia, PA.  Job location – Philadelphia, PA, 7/83.  Harvey Stern,   (215) 729-2700.
22. Gasconade Bridge and Piers, Bob Madget, Inc., St. Joseph, MO.  Job location- near Vienna, MO, 10/81.   (816) 232-6210.
23. Felling of 360’ steel-truss bridge and piers over Poteau River for States Construction Co., Tulsa, OK.  Job location – Arkoma, OK, 5/80.  John Deering, (918) 245-6691.
24. Demolition of Swing Pier and two rest piers for Michael Construction Co., Biloxi, MS.  Job location – Biloxi, MS, 9/75.

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