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Inquiry #1: Special provision section 49-3.03C(2) states to place a minimum thickness of 3' seal course on top of the soil plug surface.
Contract drawings on sheets 93 of 107 and 96 of 107 does not show any seal course above top of soil plug. Please clarify.

Inquiry submitted 11/13/2018

Response #1:Submitted for consideration.
Response posted 11/13/2018


Response #2:Place 3 ft of seal course over the soil plugs in piles. The instructions of the Special Provisions should be followed.
Response posted 11/16/2018




Inquiry #2: We would like to seek clarification as to the design loading requirements of the guardrail system that is part of the temporary bridge.

Per the special provisions, Section 48-7.02B (1) General states that the design speed limit of the temporary bridge is to be 25 MPH.

This is then reconfirmed in Section 48-7.02B (3) Bridge Rail with the following sentence, “The regulatory speed limit must be posted for 25 MPH or less.”

In addition, in Section 48-7.02B (3), the vehicular railing and all components for the prefabricated bridge system must be designed for TL-4 loading. Following the AASHTO LRFD Bridge Design Specifications Table A13.2-1, TL-4 guardrail loading is based on a vehicle traveling at 60 MPH (i.e. Highway speeds). Since the project special provisions clearly indicate that the bridge speed is to be 25 MPH and is a single lane bridge the plausibility of achieving TL-4 speed and its associated crash angle is miniscule. Therefore TL-2 loading would be appropriate for the design of the guardrail system of the bridge.

Please see the attached guardrail details, which are designed to TL-2 loading and exceeds the 25 MPH project requirement. As shown in the details, this guardrail system utilizes “off the shelf” standard components and is readily available in the market.

Please provide confirmation that the TL-2 guardrail system will meet the project requirements as stated in the project special provisions.

Inquiry submitted 11/27/2018

Response #1:Submitted for consideration.
Response posted 11/28/2018


Response #2:Gate will be 10' double swing gate. This new gate permanently replaces what is relocated during staging.
Response posted 12/05/2018


Response #3:Bid per current contract documents. Must design for TL-4 guardrail system and post for 25 mph or less.
Response posted 12/06/2018




Inquiry #3: Can you make bridge as-built drawings available for download?
Inquiry submitted 12/11/2018

Response #1:From the Standard Specifications, Section 2-1.06B Supplemental Project Information, regarding bridge as-builts,

"For a project in District 1 through 6 or 10, you may request them from the Office of Structure Maintenance and Investigations, fax (916) 227-8357"
Response posted 12/12/2018


The information provided in the responses to bidder inquiries is not a waiver of Section 2-1.07, "JOB SITE AND DOCUMENT EXAMINATION" of the Standard Specifications or any other provision of the contract, nor to excuse the contractor from full compliance with the contract. Bidders are cautioned that subsequent responses or contract addenda may change a previous response.


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