| Products
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Examples of Pre-Delivery Inspected and
Acceptance Stamped (Required) Products
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Auhorized Agent
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Fabricated Grates,
Sign Supports and
Guardrail Items
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•Welded Overhead Sign Structures
•Welded Steel Grates
•Welded Sign Posts and Stubs
•Galvanization
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Oklahoma DOT Materials Division
Structural Materials Branch
200 N.E. 21st St, Room G-35
Oklahoma City, OK 73105-3204
Telephone: (405) 522-4999
FAX: (405) 522-0552
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Precast
Concrete Items
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•Concrete Pipe
•Concrete Pipe Special Sections
•Concrete Pull Boxes
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Prestressed
Concrete
Bridge Items
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•Prestressed Concrete Bridge Members
•Prestressed Concrete Piles
•Elastomeric Bearing Pads for Prestressed
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Cliff Ashford and Associates
P. O. Box 645
Prague, OK 74864
Email: clifton@cashfordandassociates.net
Telephone: (405) 640-9192
FAX: (405) 567-3150
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Structural Steel
Bridge Items
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•Primary and Ancillary Steel Bridge Members
•Steel Expansion / Compression Joints
•Steel Bumper Angles
•Bridge Anchor Plates, Anchor Bolts and
Bearing Assemblies
•Bridge Diaphragm Rods
•Elastomeric Bearing Pads for Steel Bridges
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Standard Testing and
Engineering Co.
3400 N. Lincoln Blvd.
Oklahoma City, OK 73105
Email: stantech@stantest.com
Telephone: (405) 528-0541
FAX: (405) 528-0559
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Timber and
Lumber Items
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•Wood Posts
•Wood Guardrail Posts and Blocks
•Timber Piles
•Wood Cross and Switch Ties
•Lumber
•Wood Preservative Treatment
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A. W. Williams Inspection Co., Inc.
P. O. Box 2107
Mobile, AL 36601
Email: awwico@bellsouth.net
Telephone: (251) 438-3691
FAX: (251) 438-3791
OR
Lee Inspection & Consulting Service, Inc.
P. O. Box 5818
Bossier City, LA 71171
Email: jefflee@leeinspect.com
Telephone: (318) 742-2787
FAX: (318) 742-2520
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