Bidder Inquiries

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Viewing inquiries for 01-0G6804

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Inquiry #1: The notice to bidders for this contract states that the bids must be on a cost plus time basis. Can you please clarify what the cost per day of the time portion of this bid is?
Inquiry submitted 02/09/2018

Response #1:
Your inquiry has been received and is being reviewed.
Response posted 02/09/2018


Response #2:
An addendum has been issued to address this bidder inquiry. Please refer to Addendum No. 1, issued on Tuesday, February 27, 2018.
Please bid per the current contract documents.
Response posted 02/28/2018




Inquiry #2: Due to the nature of the cold planing and paving back to existing shoulder grades there may be areas that do not meet the revised smoothness specifications. What are the smoothness requirements for this project?

Subsequently, the bidding documents do not include information on the smoothness of the existing pavement. Without this information the contractor cannot determine if the required smoothness requirements (if they exist) can be met or estimate the amount of effort that will be required to meet the prepaving and final smoothness specifications. Will Caltrans provide a copy of the inertial profile data file for the existing roadway prior to bid? If an inertial profile data file for the existing roadway is not available will Caltrans issue an addendum with a line item requiring a prepave inertial profile prior to bid?

Inquiry submitted 02/09/2018

Response #1:
Your inquiry has been received and is being reviewed.
Response posted 02/09/2018


Response #2:
Your attention is directed to Section 39-2.01C(3)C(2), Surface Preparation, of the 2015 Standard Specifications. No bid items for prepave inertial profiler or prepave grinding days are provided on this project. Per SS 39-2.01C(3)(e), prepave grinding only applies to surfaces that will not be cold planned or will receive an HMA overlay less than or equal to 0.20'. This project has both cold planning and an HMA-A overlay of 0.25'. Therefore it will be the contractor's responsibility to meet the smoothness specifications required per Section 39-2.01A(4)(h)(ix) and Section 39-2.01A(4)(i)(iii) of the Standard Specifications.
Response posted 02/28/2018




Inquiry #3: Section 37-3.01C(3)(a) has been replaced to require a continuous self-loading mixing machine. After our recent site visit, we would request that this project not require a continuous machine. There are two primary reasons for us making this request: (1) the four areas, each approximately two miles in length, of significantly steep (>8%) roadway and (2) the many areas of sharp curvature (as evidenced by multiple speed reduction signs). Continuous machines will not function continuously (i.e. without stopping) on either of these two types of roadway. Thus, the continuous operation is reduced to a “load-and-go” operation (with 40% less hopper capacity than conventional trucks) which will result in more lateral joints, not less, as intended. There are also significant safety concerns operating continuous-type equipment on this type of roadway: loaded support trucks idling downhill in neutral on a 10% grade is not the safest practice.

In summary, requiring the continuous self-loading mixing machine on this section of roadway will likely result in more lateral joints and will increase the already high level of danger.

Inquiry submitted 02/13/2018

Response #1:
Your inquiry has been received and is being reviewed.
Response posted 02/13/2018


Response #2:
Please bid per the current contract documents.
Response posted 02/20/2018


Response #3:
An addendum has been issued to address this bidder inquiry. Please refer to Addendum No. 2, issued on Thursday, March 1, 2018.
Please bid per the current contract documents.
Response posted 03/01/2018




Inquiry #4: The specials under 83-2.01 state that the backfill material required for vegetation control under existing guardrail is change order work. Does this mean just the material or also the actual labor to perform work along with material?
Inquiry submitted 02/23/2018

Response #1:
Your inquiry has been received and is being reviewed.
Response posted 02/26/2018


Response #2:
Both the materials and labor will be change order work, if backfill is required for the Vegetation Control under existing guardrail.
Response posted 02/28/2018




Inquiry #5: Per Bidder Inquiry #2, Section 39 of the Specifications does not provide the data for road smoothness. Please provide the inertial profiler data as it is essential in order to make an appropriate bid.
Inquiry submitted 03/01/2018

Response #1:
Your inquiry has been received and is being reviewed. If a response is not posted before bid opening addressing your inquiry, please bid per the current contract documents.
Response posted 03/01/2018


Response #2:
Your attention is directed to Section 39-2.01C(3)C(2), Surface Preparation, of the 2015 Standard Specifications. No bid items for prepave inertial profiler or prepave grinding days are provided on this project. Per SS 39-2.01C(3)(e), prepave grinding only applies to surfaces that will not be cold planned or will receive an HMA overlay less than or equal to 0.20'. This project has both cold planning and an HMA-A overlay of 0.25'. Therefore it will be the contractor's responsibility to meet the smoothness specifications required per Section 39-2.01A(4)(h)(ix) and Section 39-2.01A(4)(i)(iii) of the Standard Specifications.
Response posted 03/06/2018




Inquiry #6: How is the removal and disposal of existing fiber weed mat paid?
Inquiry submitted 03/02/2018

Response #1:
Your inquiry has been received and is being reviewed. If a response is not posted before bid opening addressing your inquiry, please bid per the current contract documents.
Response posted 03/02/2018


Response #2:
Your attention is directed to Section 9-1.03, Payment Scope, of the Standard Specifications. Because the removal of the fiber weed mat was not called out specifically as change order work and there is not a bid item for the removal, the payment is included in the cost to do the work for the concrete vegetation control. Please bid per the current contract documents.
Response posted 03/06/2018




Inquiry #7: The Specifications Page 17 Section 37-3.03B(6) States to use an Asphaltic Emulsion of Grade 64-16 for the tack coat. Is this the intent, PG64-16 is and Asphalt Binder Specification and not an Emulsion.
Inquiry submitted 03/05/2018

Response #1:
Your inquiry has been received and is being reviewed. If a response is not posted before bid opening addressing your inquiry, please bid per the current contract documents.
Response posted 03/05/2018


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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