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Viewing inquiries for 04-4A1304
Submit new inquiry for this projectInquiry #1: FYI. Caltrans to All Bidders - How do I register for Mandatory Pre-Bid Meeting?
Inquiry submitted 08/14/2023
Response #1:Please do not use the Bidder Inquiry platform for Mandatory Pre-Bid Meeting registration; it is for inquiries related to bidding on the project contract. Register in advance of the Mandatory Pre-Bid Meeting, and no later than 1 hour before the meeting time, by sending an email with bidder information to D4.Construction.Duty.Senior@dot.ca.gov Please include the project number & "Mandatory Pre-Bid Meeting", within the subject of the email.
Response posted 08/14/2023
Response #2:Companies that attended the Mandatory Pre-Bid Meeting:
• ACTIVE TREATMENT SYSTEMS INC
• AECOM
• ARGONAUT CONSTRUCTORS
• BAY CITIES PAVING & GRADING INC
• BRIDGEWAY CIVIL CONSTRUCTORS INC
• GHILOTTI BROS. INC
• GHILOTTI CONSTRUCTION COMPANY INC
• GOLDEN STATE BRIDGE INC
• GRANITE CONSTRUCTION COMPANY
• KELLER NORTH AMERICA
• MCM CONSTRUCTION INC
• MYERS AND SONS CONSTRUCTION LLC
• O. C. JONES & SONS INC
• VIKING CONSTRUCTION
Response posted 09/21/2023
Response #3:For the contact list, click on the link below:
http://website.dot.ca.gov/dist4/construction/contracts/04-4A1304/04-4A1304MPBMCompanies.pdf
Response posted 09/21/2023
Inquiry #2: Bid item 0199 Meal Barrier Monted Sign should have a quantity of 810 lbs.
Sheet 283 has quantity of 270lbs for sign 2-7.
Sheet 269 has quantity of 270lbs, but there are 2 signs for retaining wall 201,
Sign 1-19 & 1-21 @ 270lbs each, which would be 540lbs.
Inquiry submitted 08/15/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/27/2023
Response #2:Refer to Addendum No. 1, dated September 29, 2023. The Quantity table on sheet 283 has been replaced.
Sheet 134 (SQ-2) shows the different 2-7 sign panel sizes used on the Structure plans.
Response posted 09/29/2023
Inquiry #3: Contour Grading Plans Sheets G-1 and G-2 are missing the elevations for the existing Topo Contour Lines. Please provide revised plan sheets.
Inquiry submitted 08/18/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 08/18/2023
Response #2:For sheets G-1 and G-2, the existing contour elevations are small but can be clearly seen once zoomed in.
Response posted 08/22/2023
Inquiry #4: Can we get the CAD files?
Inquiry submitted 08/18/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 08/22/2023
Response #2:Please specify which specific plan sheets, so that we can prepare the sheets for distribution.
Response posted 08/22/2023
Inquiry #5: Can you provide cross sections that include the structural sections of the roadway and the walls. Thank You.
Inquiry submitted 08/31/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 08/31/2023
Response #2:For retaining wall sections, refer to plan sheets 270 of 297 for section of Retaining Wall 201, Bridge Number 20E102 and sheet 283 of 297 for section of Retaining Wall 202, Bridge Number 20E103.
Response posted 09/27/2023
Response #3:Cross sections showing pavement structural sections and walls are not available.
Response posted 09/28/2023
Inquiry #6: Bid item 0199 Metal Barrier Mounted Sign should have a quantity of 810lbs.
Sheet 283 has a quantity of 270lbs for sign 2-7.
Sheet 269 has a quantity of 270lbs, but there are 2 signs for retaining wall 201.
Sign 1-19 & 1-21 @ 270lbs each, would be 540lbs.
Inquiry submitted 09/06/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/06/2023
Response #2:See response to inquiry #2.
Response posted 09/29/2023
Inquiry #7: Can Caltrans provide a corrected quantity table on plan sheet #283, for Retaining Wall #202?
Inquiry submitted 09/06/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/07/2023
Response #2:
Reference sheet 283 of 297, Retaining Wall 202, Bridge Number 20E0103. Unless an addendum is issued, please bid per the current contract documents.
Response posted 09/16/2023
Response #3:Refer to Addendum No. 1, dated September 29, 2023. The Quantity table on sheet 283 has been replaced.
Response posted 09/29/2023
Inquiry #8: Can Caltrans check the quantity for the retaining walls associated with Abutments #1 and #3? We are finding that the quantity shown on plan sheet #222 is half what our take-off shows.
Inquiry submitted 09/07/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/07/2023
Response #2:The quantities for the retaining walls shown on plan sheet 222 are verified. Please bid per the current contract documents.
Response posted 09/27/2023
Inquiry #9: The supplemental cross sections provided do not appear to accurately show RW #202 (specifically the MSE wall). Without this information it is difficult to calculate the earthwork quantities correctly. Please provide revised cross sections.
Inquiry submitted 09/12/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/12/2023
Response #2:The supplied cross sections are correct as shown. Specifically, the grading around RW#202A and B is provided.
Response posted 09/28/2023
Inquiry #10: Does the scope of Bid Item 110 - (F) Mechanically Stabilized Embankment (4,764 SF) include structure excavation and backfill or is it paid via the retaining wall structure excavation & backfill Bid Items 47, 50, & 51 as shown on Plan Sheet 283 & 293? If paid via Bid Items 47, 50, & 51, the final pay structure backfill quantity should be significantly increased.
Inquiry submitted 09/15/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/15/2023
Response #2:Refer to Addendum No. 1, dated September 29, 2023. The Quantity table on sheet 283 has been replaced.
Refer to the 5th paragraph of Section 47-2.01A of the Standard Specifications; earthwork is included in the payment for bid item 110, Mechanically Stabilized Embankment.
Response posted 09/29/2023
Inquiry #11: Provision 19-6.03D (settlement periods & surcharges) requires at least 30 feet of surcharge from the face of RW 201 but the typical cross section shows a minimum of 20 feet between the face of wall and R/W line. Please provide a provision to address this.
Inquiry submitted 09/15/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/15/2023
Response #2:Reference contract special provision 19-6.03D. Surcharge height is 0.0 feet. Please bid per current contract documents. No additional information will be provided.
Response posted 09/18/2023
Inquiry #12: In reference to Section 19-6.03D (settlement periods & surcharges), please confirm there is sufficient distance between the surcharge required for Abutments 1 & 3 and the R/W lines.
Inquiry submitted 09/15/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/15/2023
Response #2:Reference contract special provision 19-6.03D. Surcharge height for Abutments 1 and 3 is 0.0 feet. Please bid per current contract documents. No additional information will be provided.
Response posted 09/18/2023
Inquiry #13: Your response to BI #6 says unless an addendum is issued, bid per current quantities. The listed quantities for RW #202 are exactly the same as for RW #201. This obviously cannot be true since concrete retaining wall # 202 is much shorter in height and length. Can Caltrans please check and correct the quantities for the retaining walls, including those at the bridge?
Inquiry submitted 09/18/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/18/2023
Response #2:Refer to Addendum No. 1, dated September 29, 2023. The Quantity table on sheet 283 has been replaced.
Response posted 09/29/2023
Inquiry #14: Bid Item 135 - Furnish Sign Structure (Truss) - are walkways required on these 2 sign structures? Details shown on Sheet SD-1 (129 / 297) do not mention or show walkways being required however the Caltrans Standards use walkways unless noted otherwise.
Inquiry submitted 09/22/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/27/2023
Response #2:Walkways are required on the OH sign structures, and the quantities provided do account for them.
Response posted 09/29/2023
Inquiry #15: CalTrans standards indicate a wide flange girder has a top flange width of 4'-0" and web width of 6 1/2" for the typical section and end block web width of 2'-6" (see wide flange details at https://dot.ca.gov/programs/engineering-services/manuals/bridge-standard-details ). The specified top flange and typical web width (4'-1 1/2" and 8", respectively) is achievable but necessitates that the end block web width be 2'-7 1/2". Please confirm this is acceptable.
Inquiry submitted 09/22/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/22/2023
Response #2:Refer to section 4-1.07B "Value Engineering Change Proposal," of the Standard Specifications. Proposals for modifications to the contract documents may be submitted to the Engineer after contract award.
Response posted 09/29/2023
Inquiry #16: Section 14.1.3 of the Walls Foundation Report recommends a minimum settlement period of 30 days for Retaining Wall 202A (MSE wall), however, there is no special provision for this wall. Does the wall surcharge shown on Standard Plan A62B apply to the entire length of RW 202A or just a portion of it? If applicable, please provide a settlement special provision for RW 202A, similar to the one provided for RW 201.
Inquiry submitted 09/26/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/26/2023
Response #2:No, the surcharge details shown on Standard Plan A62B do not apply to Retaining Wall 202A.
Response posted 09/29/2023
Inquiry #17: Does the settlement surcharge for Retaining Wall 201 extend the entire length of the wall or just the portion of the wall with 75 feet from centerline of abutment?
Inquiry submitted 09/26/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/26/2023
Response #2:Refer to Section 19-6.03D of the Special Provisions. For Retaining Wall 201, Br No. 20E0102, the surcharge height is 0.0 feet and the settlement period is 30 days.
Response posted 09/29/2023
Inquiry #18: Please check thicknesses for the variable HMA (Type A) shown in the typical cross sections (e.g. CA and CA-N show a maximum thickness of 2.0 and 3.2 feet, respectively). These thickness do not seem to yield the tonnages shown in the summary of quantities.
Inquiry submitted 09/27/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/27/2023
Response #2:The dimensions provided in the typical sections and the quantities of HMA for the variable depth overlay have been verified as correct as shown in the Bid Documents.
Response posted 09/29/2023
Inquiry #19: “Contract drawing page#289..Section A-A shows Bearing pad dimension and details for the MSE retaining wall. But it doesn’t specify in the Contract specification if these bearing pads are Steel reinforced or Plain elastomeric bearing. Pls clarify.” Do these bearing pads require steel shims?
Inquiry submitted 09/28/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/28/2023
Response #2:Refer to the 2nd paragraph of Section 51-3.02B(1), which states, " Elastomeric bearing pads over 1/2 inch in thickness must comply with sections 51-3.02B(2) or 51-3.02B(3)."
Steel shims for bearing pads at the MSE portion of Retaining wall 202 are not described in the contract documents.
Response posted 09/29/2023
Inquiry #20: May Hearn Ave City Street Closure Chart M1 or M5/M6 be used in conjunction with Freeway Closure Chart H5 (for span 2) and H6 (for span 1) for girder erection?
Inquiry submitted 09/28/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/29/2023
Response #2:
Response posted 09/29/2023
Response #3:Lane Closure Charts may be used in conjunction only as noted in each chart in the section REMARKS.
Response posted 09/29/2023
Inquiry #21: Is the width of the wall at Abutment 1 Lt 16' as shown on Sheet 229 or 17' as called out on Sheet 238?
Inquiry submitted 09/29/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/29/2023
Response #2:The correct width of the wall footing is 16’ as shown on sheet 229.
Response posted 09/29/2023
Inquiry #22: Clarifying Question 21, is the width of the footing 16' or 17'.
Inquiry submitted 09/29/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/02/2023
Response #2:Please see response to Inquiry 21.
Response posted 10/02/2023
Inquiry #23: Do the "N"s on the Hearn Avenue and Corby Avenue Lane Closure Charts mean no work is allowed or no closures are allowed?
Inquiry submitted 09/29/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 09/29/2023
Response #2:On Lane Closure Chart No. M1, M2, M3, and M4, the legend: ‘N’ for ‘No work is allowed.’ is correct.
Response posted 10/02/2023
Inquiry #24: In the Dynamic Monitoring table on page 101, does "Entire OC" Control Zone mean each location for Stage 2 or one location for the entire OC for Stage 2?
Inquiry submitted 10/02/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/02/2023
Response #2: In the Dynamic Monitoring table on page 101, the "Entire OC" means the Entire Overcrossing. Placing one test pile at Abutment 1, Bent 2, or Abutment 3, as determined by the Engineer.
Response posted 10/03/2023
Response #3:In the Dynamic Monitoring table on page 101, the "Entire OC" means the Entire Overcrossing; Placing one test pile at Abutment 1, Bent 2, or Abutment 3, as determined by the Engineer for Stage 2.
Response posted 10/03/2023
Inquiry #25: Refer to sheet L-1, 8" CHDPE conduit is installed under existing roadway. Please advise if saw-cutting can be used to install conduit under existing roadway since CHDPE pipe cannot be bored. Also, provide a detail for repair existing roadway.
Inquiry submitted 10/02/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/02/2023
Response #2:Please see the Standard Specifications Section 20-2.07, Irrigation Conduits. Refer to section 4-1.07B "Value Engineering Change Proposal," of the Standard Specifications. Proposals for modifications to the contract documents may be submitted to the Engineer after contract award.
Response posted 10/03/2023
Inquiry #26: Regarding the portion of Retaining Wall beginning at "HN" +73.97 and ending at "HN" +54.43 (L-2 Sheet 9). Is this to be paid as a retaining wall or in the abutment portion of work (Hearn Ave OC Replace)? Sheet 227 calls out this portion as retaining wall but is not broken out similarly to RW 201.
Inquiry submitted 10/02/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/02/2023
Response #2:
Response posted 10/02/2023
Response #3:The limits of Retaining Walls A, B, & C shown on sheet 237 are paid for as the retaining wall quantities, sheet 222.
Response posted 10/03/2023
Inquiry #27: The Embankment quantity column is missing from the Roadway Excavation summary of quantities table on Sheet 138 (Q-1). Please provide this information.
Inquiry submitted 10/02/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/02/2023
Response #2:See Contract Plan sheets PS-1 and PS-2 to for embankment quantities.
Response posted 10/03/2023
Inquiry #28: 1. Being that this project has an indicator pile program with precast piles, can production piles be cast at the same time as the PDA piles or will PDA piles need to be cast and tested prior to ordering production piles?
Inquiry submitted 10/02/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/02/2023
Response #2:Yes, but the contractor is required to place the pile length based on the PDA test results. Refer to Section 49-1.01D(4) of the special provisions provides requirements for dynamic monitoring and installation of production piles.
Response posted 10/03/2023
Inquiry #29: The Foundation Report mentions a 30 day settlement period for the MSE wall (Retaining Wall No. 202). Please confirm that the MSE wall does not require a settlement period.
Inquiry submitted 10/03/2023
Response #1:The inquiry has been received and submitted for consideration.
Response posted 10/03/2023
Response #2:The bid opening date is 10/04/2023. Please bid per the current contract bid documents.
Response posted 10/03/2023
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.