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Viewing inquiries for 04-3G6204

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Inquiry #1: On Sheet PP-1, what is the thickness of the gravel mulch.
Inquiry submitted 10/20/2019

Response #1:Submitted fro consideration.
Response posted 10/21/2019


Response #2:GRAVEL MULCH is to be 4 INCHES Thick, as shown on Plans Sheet PP-1, Detail--GRAVEL MULCH/EDGING, dimension 4".
Response posted 10/22/2019



Inquiry #2: Section 13 of the Spec and the Bid Item Storm Water Annual Report are missing. Is this a Risk Level 1 or Risk Level 2 project?
Inquiry submitted 10/24/2019

Response #1:Submitted for consideration.
Response posted 10/28/2019


Response #2:Project is exempt from compliance with Construction General Permit. There are no Section 13 Special Provisions or a Storm Water Annual Report item on this contract.
Response posted 10/30/2019



Inquiry #3: Drawing 157 of 160, GIRDER DETAILS No. 2, shows the surfaces scheduled for repainting as limited to the girders. For minimal effort and to avoid a situation where new paint contrasts with existing, Caltrans should consider repainting all existing below deck, ferrous surfaces.
Inquiry submitted 10/31/2019

Response #1:Submitted for consideration.
Response posted 11/01/2019



Inquiry #4: The current bid date of 12/10/19 conflicts with a large Caltrans/United Contractors liaison meeting at Caltrans Headquarters in Sacramento. Can the bid date be pushed one week?

Thanks
Inquiry submitted 11/04/2019

Response #1:Submitted for consideration.
Response posted 11/04/2019


Response #2:Addendum 2 changed the bid open date to January 9, 2020.
Response posted 12/03/2019



Inquiry #5: Could you please provide as-builts for the existing bridge?
Inquiry submitted 11/05/2019

Response #1:See Section 2-1.06B Supplemental Project Information of the Standard Specifications for instructions on acquiring bridge asbuilts.
Response posted 11/05/2019



Inquiry #6: Since the project is exempt from the Construction General Permit (Response to Inquiry #2), does the SWPPP need to be prepared by a QSD, and does the WPC Manager need to be QSD certified?
Inquiry submitted 11/11/2019

Response #1:Submitted for consideration.
Response posted 11/12/2019


Response #2:Yes, the SWPPP need to be prepared by a QSD, and the WPC Manager need to be QSD certified.

Even though the project is exempt from compliance with Construction General Permit, we decided to implement SWPPP as the project’s water pollution control governing document. SWPPP has to be prepared by a QSD and the WPC manager has to be a QSD as well per section 13-3.01C(2) of standard Specifications. However in preparation of SWPPP, sections pertaining to construction General permit such as risk level assessment, sampling/analysis day, REAP or annual report can be excluded.
Response posted 11/13/2019



Inquiry #7: Please clarify the portion of work that Bid Item 82, Structural Steel, with a Bid Quantity of 97,228 LB is for

Inquiry submitted 11/12/2019

Response #1:Submitted for consideration.
Response posted 11/12/2019


Response #2:Bid Item #82 "Structural Steel (Bridge)" refers to the studs as shown on sheet 156 "Girder Details No. 1"
Response posted 11/12/2019



Inquiry #8: Are there weather days on this contract?
Inquiry submitted 11/12/2019

Response #1:Per the Special Notices, Saturdays, holidays and adverse-weather days are working days.
Response posted 11/13/2019



Inquiry #9: On Drawing 157 of 160 (Girder Details No. 2), the Haunch Thickness Table has several column headings indicating dimensions A thru L. There is no detail to indicate what A thru L is referencing. Please clarify.


Inquiry submitted 11/13/2019

Response #1:Submitted for consideration.
Response posted 11/13/2019


Response #2:: Refer to drawing 153 of 160, Bent Layout sheet. The details for A-L is shown.
Response posted 11/14/2019



Inquiry #10: Several of the As-Built pages (supplemental information) are blank. Is this intentional?
Inquiry submitted 11/13/2019

Response #1:Submitted for consideration.
Response posted 11/13/2019


Response #2:No further information will be provided. Please bid per current contract documents.
Response posted 11/14/2019



Inquiry #11: Special Provisions, Section 8-1.09 defines the Incentive/Disincentive for Early/Late Completion for Stage 1C to 3B (Table 1) and states, “There is no limit to the maximum total disincentive for completing the work later than the date shown in Table 1”. This potential exposure of unlimited Liquidated Damages at $1,300,000 per day may preclude us from bidding this project. We propose a maximum total disincentive equal to the maximum total incentive of $8,000,000 for completing the work later than the date shown in Table 1.
Inquiry submitted 11/21/2019

Response #1:Submitted for consideration.
Response posted 11/22/2019


Response #2:Please refer to addendum #3.
Response posted 12/17/2019



Inquiry #12: Special Provisions, Section 8-1.09 defines the Incentive/Disincentive for Early/Late Completion for Stage 3C (Table 2) and states, “There is no limit to the maximum total disincentive for completing the work later than the amount of hours shown in Table 2”. We propose a maximum total disincentive equal to $1,000,000 for completing the work later than the amount of hours shown in Table 2
Inquiry submitted 11/21/2019

Response #1:Submitted for consideration.
Response posted 11/22/2019


Response #2:Please refer to addendum #3.
Response posted 12/17/2019



Inquiry #13: We are requesting an extension of the bid date due to the complexity of the project.
Inquiry submitted 11/26/2019

Response #1:Submitted for consideration.
Response posted 12/03/2019


Response #2:See response to Bidder Inquiry #4 above.
Response posted 12/03/2019



Inquiry #14: Per Page 12 of the Special Provisions, Section 5-1.32, Item 3 "states to maintain 12' minimum width pathway beneath each hinge, bent cap and bridge span allowing manlift and vehicle access. This will hinder access coming off the ground. Can the contractor supply one or two locations and use the access along side the bridge. If not the would need to be suspended form the bridge. Caltrans has not provided scaffold requirement section in the Special Provisions. Can Caltrans give the additional load capacity of the bridge.
Inquiry submitted 12/06/2019

Response #1:Submitted for consideration.
Response posted 12/06/2019


Response #2:Section 5-1.32 is referring to areas designated for contractors’ use beneath bridge structures, i.e. the “Contractor Staging Area” as shown on L-2. Section 5-1.32 does not limit access to the Alemany undercrossing bridge deck, hence will not hinder access coming off the ground.
Response posted 12/16/2019



Inquiry #15: Per Section 59-2.01A(4)(d)(ii) Inorganic Zinc Coatings of the 2018 Standard Specifications it states, " Perform adhesion and hardness testing at least 72 hours after application". This requirement is for the zinc primer undercoat for the top flange of girders after deck removal. This has a huge impact on the scheduling of the work during the 18 day closures. Has Caltrans figured the 72 hours of cure time prior to adhesion and hardness testing of the zinc undercoat into the 18 day freeway closures?


Inquiry submitted 12/09/2019

Response #1:Submitted for consideration.
Response posted 12/09/2019


Response #2:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 12/09/2019



Inquiry #16: Per Section 59 Structural Steel Coatings of the Special Provisions (Pg. 56) in the Coating Systems Table it states; To clean, blast clean to bare metal, and apply undercoat to the top surface of top flanges of existing girders. The table also states; To use zinc undercoat. Per the 2018 Standard Specifications it tells you to use an inorganic zinc primer. Per the Caltrans pre approved list for inorganic zinc primers there are several products listed. Per the manufactures data sheets the dry to handle and cure time vary but most are 2-3 hours to dry to handle at 70 degrees and 12-16 hours at 70 degrees for cure time. Will Caltrans allow the General Contractor to form and pour concrete over wet or dry to handle inorganic zinc primer due to the short durations for freeway closures.
Inquiry submitted 12/09/2019

Response #1:Submitted for consideration.
Response posted 12/09/2019


Response #2:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 12/09/2019



Inquiry #17: Since this not a complete bridge removal, only partial, are we going to held to the maximum breaker limits of 1,200 ft-lbs. per blow?
Inquiry submitted 12/10/2019

Response #1:Submitted for consideration.
Response posted 12/16/2019


Response #2:Yes. Reference section 60-2.01C, paragraph 5, of the Standard Specifications.
Response posted 01/06/2020



Inquiry #18: Can Caltrans provide the scaffolding requirements and the additional load capacity of the bridge?
Inquiry submitted 12/12/2019

Response #1:Submitted for consideration.
Response posted 12/16/2019


Response #2:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 01/06/2020



Inquiry #19: Can you hang your access from the bridge? If so what is the additional capacity of the bridge?
Inquiry submitted 12/13/2019

Response #1:Submitted for consideration.
Response posted 12/16/2019


Response #2:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 01/06/2020



Inquiry #20: The revisions within Addenda 3 provide for the concrete barriers to be constructed with Temporary K-Rail in place between the barrier under construction and traffic. Section 51-1.01A as revised by Addenda 3 specifies that the bridge barriers are to be constructed using RSC. Please review, as it appears that the bridge barriers can be constructed with conventional concrete.
Inquiry submitted 01/07/2020

Response #1:Submitted for consideration.
Response posted 01/07/2020


Response #2:No. Please refer to the Special Provisions in section 51-1.01A, paragraph 3, which states that "Concrete for bridge deck, approach slabs and bridge barriers must be constructed using RSC". Please bid per current contract documents.
Response posted 01/08/2020

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.