2013-02-20_REPORT - M1980244

• Permit No: M1980244
• IBM Index Class Name: REPORT
• Doc Date: 2/20/2013
• Doc Name: Response to Concrete Spec. and CDOT Inquiry.
• From: CC&V
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

CC &V PROJECT NO. SC -07 -002 January 4, 2013
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REVISION OF SECTION 107
PERFORMANCE OF SAFETY CRITICAL WORK
Section 107 of the Standard Specifications is hereby revised as follows:
Add subsection 107.061 immediately following subsection 107.06 as follows:
107.061 Performance of Safety Critical Work. The following work elements are considered safety critical
work for this project:
(1)
(2)
Excavation and embankment adjacent to the roadway.
Rockfall mitigation.
The Contractor shall submit, for record purposes only, an initial detailed construction plan that addresses safe
construction of each of the safety critical elements. When the specifications already require an erection plan, a
bridge removal plan, or a removal of portion of bridge plan, it shall be included as a part of this plan. The detailed
construction plan shall be submitted two weeks prior to the safety critical element conference described below.
The construction plan shall be stamped "Approved for Construction" and signed by the Contractor. The
construction plan will not be approved by the Engineer.
The Construction Plan shall include the following:
(1) Safety Critical Element for which the plan is being prepared and submitted.
(2) Contractor or subcontractor responsible for the plan preparation and the work.
(3) Schedule, procedures, equipment, and sequence of operations, that comply with the working hour
limitations
(4) Temporary works required: falsework, bracing, shoring, etc.
(5) Additional actions that will be taken to ensure that the work will be performed safely.
(6) Names and qualifications of workers who will be in responsible charge of the work:
A. Years of experience performing similar work
B. Training taken in performing similar work
C. Certifications earned in performing similar work
(7) Names and qualifications of workers operating cranes or other lifting equipment
A. Years of experience performing similar work
B. Training taken in performing similar work
C. Certifications earned in performing similar work
(8) The construction plan shall address how the Contractor will handle contingencies such as:
A. Unplanned events (storms, traffic accidents, etc.)
B. Structural elements that don't fit or line up
C. Work that cannot be completed in time for the roadway to be reopened to traffic
D. Replacement of workers who don't perform the work safely
E. Equipment failure
F. Other potential difficulties inherent in the type of work being performed
(9) Name and qualifications of Contractor's person designated to determine and notify the Engineer in
writing when it is safe to open a route to traffic after it has been closed for safety critical work.
A safety critical element conference shall be held two weeks prior to beginning construction on each safety
critical element. The Engineer, the Contractor, the safety critical element subcontractors, and the Contractor's
Engineer shall attend the conference. Required pre- erection conferences or bridge removal conferences may be
included as a part of this conference.
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