LeChase Construction Services, LLC, Ithaca, N.Y.

The employer is contesting a two-item serious citation in four parts and a penalty of $17,073. The serious citation includes the alleged violations of 29 C.F.R. 1926.34(b), for failure to mark exits and access to exits by a readily visible sign; 29 C.F.R. 1926.501(b)(4)(i), for failure to guard holes in walking/working surfaces more than six feet above the ground by use of personal fall arrest systems, covers, or guardrail systems; and 29 C.F.R. 1926.502(b)(2)(i), for failure to ensure that midrails, when used, were installed at a height midway between the top edge of the guardrail system and the walking/working level ...