An anchor bolt device for securing a structural member (22, 22') to a concrete foundation, said anchor bolt device comprising: a first anchor bolt extending between a first end and a second end, said first anchor bolt having an enlarged portion, a shank portion, and a tail portion; said enlarged portion of said first anchor bolt extending from said first end of said first anchor bolt along an enlarged portion centerline, said enlarged portion of said first anchor bolt defining an enlarged portion cross-section that is transverse to said enlarged portion centerline of said first anchor bolt; said tail portion of said first anchor bolt extending from said second end of said first anchor bolt along a tail portion centerline, said tail portion of said first anchor bolt defining a tail portion cross-section that is transverse to said tail portion centerline of said first anchor bolt; said shank portion of said first anchor bolt being disposed between said enlarged portion and said tail portion of said first anchor bolt and extending along a shank portion centerline, said shank portion of said first anchor bolt defining a shank portion cross-section that is transverse to said shank portion centerline of said first anchor bolt, said shank portion cross-section being smaller than said enlarged portion cross-section; a first coupling disposed at said first end of said first anchor bolt for securing said first anchor bolt to the structural member (22, 22'), said first coupling including a female tap portion that extends inwardly from said first end of said first anchor bolt into said enlarged portion of said first anchor bolt; characterized in that the anchor bolt device further comprises a float removably retained on said enlarged portion of said first anchor bolt, wherein said float includes a base plate and a neck, and wherein said float comprises an offset tab that extends outwardly from the base plate to a distal edge. a first anchor bolt extending between a first end and a second end, said first anchor bolt having an enlarged portion, a shank portion, and a tail portion; said enlarged portion of said first anchor bolt extending from said first end of said first anchor bolt along an enlarged portion centerline, said enlarged portion of said first anchor bolt defining an enlarged portion cross-section that is transverse to said enlarged portion centerline of said first anchor bolt; said tail portion of said first anchor bolt extending from said second end of said first anchor bolt along a tail portion centerline, said tail portion of said first anchor bolt defining a tail portion cross-section that is transverse to said tail portion centerline of said first anchor bolt; said shank portion of said first anchor bolt being disposed between said enlarged portion and said tail portion of said first anchor bolt and extending along a shank portion centerline, said shank portion of said first anchor bolt defining a shank portion cross-section that is transverse to said shank portion centerline of said first anchor bolt, said shank portion cross-section being smaller than said enlarged portion cross-section; a first coupling disposed at said first end of said first anchor bolt for securing said first anchor bolt to the structural member (22, 22'), said first coupling including a female tap portion that extends inwardly from said first end of said first anchor bolt into said enlarged portion of said first anchor bolt; characterized in that the anchor bolt device further comprises a float removably retained on said enlarged portion of said first anchor bolt, wherein said float includes a base plate and a neck, and wherein said float comprises an offset tab that extends outwardly from the base plate to a distal edge.