California Department of Transportation
 

Contract 10-0S5705(10A1054)

The responses to bidder's inquiries, unless incorporated into a formal addendem to the contract, are not a part of the contract and are provided for the bidder's convenience only. In some instances, the question and answer may represent a summary of the matters discussed rather than a word-for-word recitation. The availability or use of information provided in the responses to bidder's inquiries is not to be construed in any way as a waiver of the provisions of Section 2-1.03 of the Standard Specifications or any other provision of the contract, the plans, Standard Specifications or Special Provisions, nor to excuse the contractor from full compliance with those contract requirements. Bidders are cautioned that subsequent responses or contract addenda may affect or vary a response previously given.

Q1) I'm generally having trouble understanding the traffic control system required for this project. When you first review the bid package it is clear that the state anticipates traffic control. This is reinforced with actual bid items. However, after visiting the job site it becomes clear that there is virtually no impact on the traveling public. Except for a small portion at the very north end of the project, the highway is elevated with the fence at the surface grade well below the roadway and completely out of sight of traffic. Access will be from on/off ramps and not from the highway. At the north end of the project, one day of work will be required that would be accessed from Golden State Blvd not the highway. This work could require the closure of the shoulder but not a full traffic lane. I'd like to assume that these are boiler plate inclusions but they are in the special provisions and there are bid items that I have to bid. Please clarify or detail !

the states specific requirements for this project.

A1) Section 7-1.09 PUBLIC SAFETY of the Standard Specifications states, "It is the Contractor's responsibility to provide for the safety of traffic and the public during construction." Please refer to Section 5-1.07 PUBLIC SAFETY of the Special Provisions for work conditions that may require traffic control. Also, note the time restrictions for lane and shoulder closures in the Lane Requirement Chart No. 1 in Section 10-1.09 MAINTAINING TRAFFIC of the Special Provisions.


Q2) Beyond question one above, I'm having even more trouble understanding why portable changeable message signs are required or for how long they would be required. The plans do not show their placement on the project and section 10-1.12 states the signs are to be placed as "shown on the plans or where designated by the Engineer." How are we supposed to accurately and fairly bid this item when it is purely at the whim of an Engineer? We have no reasonable ideal what the signs are to be used for and thus cannot calculate the number of days of rental and placement work the we need to bid. Are they to inform traffic on hwy 99? They shouldn't need to be required for this reason as the project requires the customary "ROAD WORK AHAED" and "END WORK" stationary mounted construction area signs. Are they for ramp closures? I doubt that any bidder would figure they needed to close a ramp. Are they for the possible one day shoulder closure on Golden State Blvd at the north!

end of the project? This seems overkill and even if they were used there, how long would they be required to inform the public prior to the closure?

A2) Please refer to the Standard Plans for Temporary Traffic Control Systems, for locations where portable changeable message signs are required. Also, typically District 10 does require that 2 portable changeable message signs be placed in advance of each freeway lane closure.


Q3) Is section 10-1.13 purely a boiler plate inclusion? I can't even begin to think how this 10 day project, which has virtually no impact on traffic, could possibly need crash cushions. Please explain. Please note that I have these same questions for contracts 10A1055 and 10-0S8204, very similar contracts with nearly identical spec and bid items. Perhaps if any formal clarifications are in order, the state could make them for all three projects and save us all the time of dealing with my additional bidder inquires.

A3) Please refer to Section 5-1.07 PUBLIC SAFETY of the Special Provisions for work conditions that may require crash cushion modules.