Bidder Inquiries

Caltrans Bidding Connect Account:

Sign In (Sign in is required to access Project Plans)

Create Account (Click here to create a Caltrans Bidding Connect Account)

Viewing inquiries for 04-0K1104

Submit new inquiry for this project

Inquiry #1: FYI. Caltrans to All Bidders - How do I register for Mandatory Pre-Bid Meeting?
Inquiry submitted 10/24/2023

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 10/24/2023


Response #2:The following companies attended the meeting:

• BAYSIDE ENGINEERING CONSTRUCTION INC
• CALIFORNIA CONSTRUCTORS
• CORAL CONSTRUCTION COMPANY
• DISNEY CONSTRUCTION INC
• FBD VANGUARD CONSTRUCTION INC
• GRANITEROCK
• HIGHWAY SPECIALTY COMPANY INC
• HOSELEY CORPORATION
• K&K CONSTRUCTION SUPPLY
• MARTIN BROTHERS CONSTRUCTION
• MIDSTATE BARRIER INC
• RANCH FENCE INC
• SANTAMARIA CONCRETE INC
Response posted 11/15/2023


Response #3:For the contact list, click on the link below:

http://website.dot.ca.gov/dist4/construction/contracts/04-0K1104/04-0K1104_MPBM_Companies.pdf
Response posted 11/15/2023



Inquiry #2: Replace item 2 in the list in the 2nd paragraph of section 83-2.02C(1)(a) with:
2. Wood blocks for line posts.

Would Caltrans consider the use of Plastic blocks on the Steel line post?
Inquiry submitted 11/13/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/13/2023


Response #2:Please bid according to the plans and specifications.
Response posted 12/01/2023


Response #3:Plastic blocks are not permitted per the plans and specifications.
Response posted 01/02/2024



Inquiry #3: CB TYPE 27 CONNECTION TO CMU - THERE IS NOT ENOUGH INFORMATION PROVIDE TO CONSTRUCTION OR ESTIMATE THIS ANCHOR BLOCK. WE NEED ADDITION INFORMATION ON WHAT REBAR IS TO BE USED IN THE TRIANGLE SECTION OF THE ANCHOR BLOCK. ALSO NEED TO KNOW WHAT THE LENGTH OF LEGS ARE. WE ARE ONLY GIVEN A 120 DEGREE ANGLE ON THE BACK SIDE OF THIS ANCHOR BLOCK. IS THIS AREA ALSO BE FILLED WITH CONCRETE OR ARE WE TO BUILD OPEN WALL AS SHOWN IN SECTION B-B. IF ARE TO BUILD WALLS IS THE AREA TO FILLED WILL GRAVEL AND CAPPED?
Inquiry submitted 11/21/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/21/2023


Response #2:Refer to Addendum No. 4, dated December 29, 2023. Sheet 299 of 329 (52 of 82) has been replaced.
Response posted 01/04/2024



Inquiry #4: CB TYPE "UNKNOWN" CONNECTION TO CMU - THERE IS NOT ENOUGH INFORMATION PROVIDE TO CONSTRUCTION OR ESTIMATE THIS ANCHOR BLOCK. WE NEED ADDITION INFORMATION ON WHAT REBAR IS TO BE USED IN THE TRIANGLE SECTION OF THE ANCHOR BLOCK. ALSO NEED TO KNOW WHAT THE LENGTH OF LEGS ARE. WE ARE ONLY GIVEN A 120 DEGREE ANGLE ON THE BACK SIDE OF THIS ANCHOR BLOCK. IS THIS AREA ALSO BE FILLED WITH CONCRETE OR ARE WE TO BUILD OPEN WALL AS SHOWN IN SECTION B-B. IF ARE TO BUILD WALLS IS THE AREA TO FILLED WILL GRAVEL AND CAPPED?
Inquiry submitted 11/21/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/21/2023


Response #2:Refer to Addendum No. 4, dated December 29, 2023. Sheet 318 of 329 (71 of 82) has been replaced.
Response posted 01/04/2024



Inquiry #5: CB TYPE UNKNOWN CONNECTION TO CMU - SHOWS 13-6 +/- ON THE LEGEND BUT THIS +/- IS NOT SHOWN ON SHEET 71 OF 82. PLEASE ADVISE HOW WE ARE TO CONSTRUCT A STRUCTURE THAT IS +/- IN MEASUREMENTS.
Inquiry submitted 11/21/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/21/2023


Response #2:Please bid per the current contract bid documents.
Response posted 01/03/2024



Inquiry #6: Location 112 shows removal of crash cushion but at this location it looks like there is Metal beam guardrail that needs to be removed. Should this location be under BI 90 not BI 93?
Inquiry submitted 11/22/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/27/2023


Response #2:Please bid the removal of crash cushion as per plans.
Response posted 12/01/2023



Inquiry #7: The project has a large amount of excess dirt that is generated from the drainage work and concrete barrier transition footings. Is this dirt to stay on site or should the contractor account for disposal of this material? If it is to be off hauled for bidding purposes should we assume class II and plan to do soil testing? Spec Section 14-11.09B (stay on site) and 19-2.03B (dispose of surplus material) conflict each other.
Inquiry submitted 11/23/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/27/2023


Response #2:Follow Section 19-2.03B for ditch excavated material and follow Section 14-11.09B if the surplus material has ADL.
Response posted 12/11/2023



Inquiry #8: Where do the concrete weirs for the open channel trash nets get paid for?

Clarify what type of pipe is installed in the weir?
Inquiry submitted 11/29/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/29/2023


Response #2:The concrete weirs are part of the trash nets in open channel, and are paid under the item Trash Net (Open Channel), the pipe size for the project is 18", please see Drainage Details for trash net BMP in open channel in the project plans.
Response posted 12/01/2023



Inquiry #9: Please advise if color is to be used for the vegetation control concrete or not.

Here is how its listed in specifications

83-2.01B(2)(b)(iv) Coloring Agent
Not Used
The concrete color must match color no. 31090 of -STD-595.
The coloring agent must be integral to the concrete mix and added at the concrete plant
Inquiry submitted 11/29/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/29/2023


Response #2:Yes, the coloring is for the MGS veg control.
Response posted 12/01/2023



Inquiry #10: Bid items show 26 each Crash Cushion to be installed. Plans has a count of 27 each. Wiil Caltrans be adding additional Crash Cushion to Bid items List or Delete 1 Crash Cushion from Plans?
Inquiry submitted 11/29/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 11/30/2023


Response #2: No, the plans and quantities appear to be coordinated.
Response posted 12/04/2023


Response #3:Please refer to Addendum 4. The Bid Item 86, Alternative Crash Cushion TL-3 has been updated. Quantity sheet Q-6 has been updated, too.
Response posted 01/02/2024



Inquiry #11: While reviewing the lane closure charts it looks like there may be some missing ramp / freeway closure charts that will need to be added in order to construct the work shown on the plans.
#41 - SB 85 Off-Ramp Saratoga Ave. - K-Rail Placement / MGS / VC / Barrier Trans
#66 - SB 87 Off-Ramp Skyport Dr. - K-Rail Placement / MGS / Barrier Trans
#118 - NB 101 Off-Ramp Rengstorff Ave. - K-Rail Placement / MGS / Barrier Trans
#147 - 152 - Route 237 W Calaveras Blvd. - K-Rail Placement / MGS / Barrier Trans
#161 - NB 680 Lane Closure NB King Off-Ramp to NB King On-Ramp - K-Rail Placement / MGS / Barrier Trans
#163 - NB 680 ff-Ramp Alum Rock Ave. - K-Rail Placement / MGS / VC / Barrier Trans
Inquiry submitted 11/30/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/01/2023


Response #2:Lane Closure Charts G55, I21, J40, J41, J42, and K6 have been added, per Addendum 4.
Response posted 01/02/2024



Inquiry #12: Bid Item 21 STORM WATER SAMPLING AND ANALYSIS DAY has a QTY of 1510 Ea. How did Caltrans come up with this number?
Inquiry submitted 12/01/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/01/2023


Response #2:Please see Addendum 4. Bid Item 21, Storm Water Sampling and Analysis Day quantity has been revised.
Response posted 01/02/2024



Inquiry #13: There are a couple of locations that have removals and replacement of barrier walls and guardrail that are longer than 160 LF. These locations only show 160 LF of Barrier on the THQ Sheets. Will Caltrans pay for longer runs for these locations?

Location #19 - 287 LF
Location #48 - 225 LF
Location #49 - 225 LF
Location #108 - 300 LF
Location #110 - 300 LF
Location #161 - 160 LF on mainline and 160 LF on off ramp

Inquiry submitted 12/02/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2: Please bid according to the design package.

Response posted 12/07/2023


Response #3:Please bid per contract design package. Please note that at each location the removal of barrier is replaced by a system that may consist of concrete barrier transition, transition railing (type WB-31), MGS, and end treatments.
Response posted 12/08/2023



Inquiry #14: Location 22 and 25 have AC dike but no HMA (Type A). Will Caltrans increase the HMA quantity for these locations.
Inquiry submitted 12/02/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2: Please bid per current contract documents.

Response posted 12/08/2023


Response #3:Please see Addendum 4. Quantity sheets Q-1 and Q-5 have been updated to show the HMA quantity for the AC dike at Locations 22 and 25.
Response posted 01/02/2024



Inquiry #15: Location 92 on C-28 shows installing barrier but there is a leader line showing vegetation control but no quantity on Q-3. Is the leader line an error?

Location 158 on C-49 shows a leader line for vegetation control but no quantity on Q-5. Should there be SY quantity for this location.
Inquiry submitted 12/02/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Please see Addendum 4. The quantities on Plan sheets Q-3 and Q-5 are correct. The vegetation control at location 92 and 158 is not required.
Response posted 01/02/2024



Inquiry #16: Location 113 shows removal of guardrail but nothing else. Should there be new MGS installed at this location? If not is there any improvements needed to fill the post locations in the existing gore paving?
Inquiry submitted 12/02/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Please bid per current contract documents and refer to the Caltrans Standard Specifications and Caltrans Special Provisions for additional information.
Response posted 12/12/2023


Response #3:At location 113, remove the guard rail and backfill the post holes, per contract plans and specifications. The guard rail is not being replaced.
Response posted 01/02/2024



Inquiry #17: Location 33 on C-11 shows placing an irrigation sleeve from the new MGS through the island to the other existing guardrail but plan sheet Q-7 only shows 8 LF. The quantity seems low to extend the sleeve this full distance.
Inquiry submitted 12/02/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:The 8LF quantity is to replace the existing irrigation conduit under the new MGS, connecting to the existing on both sides of the MSG. C-11 shows this extending to the existing guardrail. It is not necessary to extend all the way to the existing, but just far enough to replace the conduit under the new MSG and connect to the existing conduit. The 8 LF seems like the minimum needed, if additional material is needed to match the field conditions, ok to authorizes additional LF (0-10 lf as needed). But not necessary to extend new conduit to cover the full island width.
Response posted 12/04/2023



Inquiry #18: Location 151 on C-46 shows 9 LF of remove concrete curb but it is not shown on the quantity sheet Q-7.
Inquiry submitted 12/02/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Please refer to Addendum 4. The Concrete Curb and Asphalt Pavement Table on quantity sheet Q-7 has been updated.
Response posted 01/02/2024



Inquiry #19: The schedule of values includes BI14 Temp Pedestrian Access Detour. Is there a specific area this is addressing? Looking through the Motorist Information Sign Plan sheets there is no information on a specific pedestrian detour.
Inquiry submitted 12/03/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Please refer to Section 12-4.04 of the Caltrans Standard Specifications and bid according to and in accordance with the contract design package.
Response posted 12/11/2023



Inquiry #20: On structural plan sheet 80 and 81 there are plates needed at each column at Location #119. Is there any information on the dimensions of these columns to determine what size plate is needed in Table 1?
Inquiry submitted 12/03/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Refer to Section 2-1.06B, "Supplemental Project Information," of the Standard Specifications regarding where to obtain as-built drawings for the bridge columns in question.
Response posted 12/12/2023



Inquiry #21: Please provide a scale for measuring out the conduit runs. There are clear discrepancies on the electrical sheets. E.G. Sheet E-6 shows new 2" conduit but none is accounted for on EQ-1. Similar issue on E-7.
Inquiry submitted 12/04/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Please refer to Addendum 4. The Modifying Ramp Metering Systems Table on quantity sheet EQ-1 has been updated.
Response posted 01/02/2024



Inquiry #22: Under what Bid Item is the Conduit work at Mayfield PUC paid for?
Inquiry submitted 12/04/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:This inquiry is unrelated to the contract.
Response posted 12/06/2023



Inquiry #23: Disregard prior question, wrong CalTrans Contract.
Inquiry submitted 12/04/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/04/2023


Response #2:Response is provided for BI #22.
Response posted 12/06/2023



Inquiry #24: On the structural plan sheet, CB Type 1 Connection to MGS-Case 7 does not show dowels. Will drill and bond be required at each connection?
Inquiry submitted 12/05/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/05/2023


Response #2:Refer to Addendum No. 4, dated December 29, 2023. Sheet 259 of 329 (12 of 82) has been replaced.
Response posted 01/04/2024



Inquiry #25: On the structural plan sheet, CB Type 1 / Type 2 Connection to Type 60MS - No. 1 there is a leader pointing to the Existing MBGR See Note 5. But there is not a note 5 on this page.
Inquiry submitted 12/05/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/05/2023


Response #2:Please bid per the current contract documents.
Response posted 12/12/2023



Inquiry #26: Item 37 calls for lump sum Control and Neutral Conductors (Armor-Clad). The irrigation plans show the various locations of where the wire is connected. However, there is not scale on the irrigation plans.
Please clarify what is the scale on the irrigation drawings. How many wires are being install at each location?
Inquiry submitted 12/06/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/07/2023


Response #2:Please bid per current contract documents.
Response posted 12/18/2023



Inquiry #27: At locations 120 - 125 on HWY 152 there is not a median divider. Per note 2 on TH-1, a crash cushion is required at the trailing end of the temp barrier. On THQ-8, there is only 1 crash cushion for each of these locations. Will 2 crash cushions be required at each location?
Inquiry submitted 12/06/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/07/2023


Response #2:Please refer to Addendum 4. The Temporary Traffic Handling Items Quantities Table on quantity sheets THQ-8 and THQ-9 has been updated.
Response posted 01/02/2024



Inquiry #28: At multiple locations, there is existing vegetation control. Are we to remove all of the vegetation control prior to the new MGS installation? Some of these locations call out for new Vegetation Control and some locations do not. Under what item would the demo be covered under if this is required?
Inquiry submitted 12/06/2023

Response #1:The inquiry has been received and submitted for consideration.
Response posted 12/07/2023


Response #2:Vegetation Control shall be provided as indicated in the contract design package. For more information regarding what item would the demo be covered, please refer to the Special Provisions Section 83-2.01B.
Response posted 12/11/2023



Inquiry #29: In response to Inquiry #28. Response #2
Removal of Vegetation Control Concrete has a standard bid item in the Caltrans listing.
Will out a direct answer of how the payment for this work is going to be paid. I see a potential for bids to vary from contractor to contractor. As one may include it within other items and other may be thinking this is going to be a change order as Caltrans does have a bid item for coverage of this work. Please advise so everyone can be bidding on the same level field.
Inquiry submitted 01/04/2024

Response #1:The inquiry has been received and submitted for consideration.
Response posted 01/04/2024


Response #2:Removal of Vegetation Control Concrete is not a standard bid item. The removal of existing vegetation control is considered as part of work required to construct the bid item for Vegetation Control (Minor Concrete), as per Special Provisions Section 83-2.01B.
Response posted 01/04/2024



Inquiry #30: Bid Item 8 Attenuator Truck. Project is 400 working days and Attenuator truck is only 200 shifts. Can Caltrans explain when we need an attenuator, specifications are not clear when we need one. If you look at the typical traffic control detail, an attenuator is needed whenever we take a lane, and work zone is adjacent to a live lane and to protect workers in the closed lane. Is an attenuator needed to set up signs for a lane closure or ramp closure to shadow the traffic control crew? Please clarify.
Inquiry submitted 01/05/2024

Response #1:The inquiry has been received and submitted for consideration.
Response posted 01/05/2024


Response #2:Stationary Impact Attenuator Vehicles (SIAV) are not anticipated at all locations. Refer to Standard Specs 12-3.23C(2) and Special Provision 12-4.02C(7)(b) for the use of SIAV. Please bid per current contract documents.
Response posted 01/08/2024



Inquiry #31: To add to Caltrans Response to bidder inquiry 29 caltrans does have bid item code for the “Removal of Concrete (vegetation control)” bid item code 014326 use across multiple projects for when there is existing concrete. Again please note this only levels out the bidding for all parties involved. We kindly ask Caltrans to quantify this item and postpone the project till it has.
Inquiry submitted 01/09/2024

Response #1:As the bid opens today, please bid per current contract documents.
Response posted 01/10/2024

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.