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Viewing inquiries for 04-2J7304

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Inquiry #1: BID ITEM 17 MOBILE BARRIER SYSTEM 200 WORKING DAYS. Per the manufacture the rental price is for the unit alone and does not include the tractor or driver. Can you please confirm?
Inquiry submitted 11/30/2022

Response #1:Submitted for consideration.
Response posted 12/01/2022


Response #2:The rental quote is for the trailer only. All other requirements for the mobile barrier system are the responsibility of the prime contractor.
Response posted 01/19/2023




Inquiry #2: FYI-Caltrans to-All Bidders- How do I register for Mandatory Pre-Bid Meeting?
Inquiry submitted 12/13/2022

Response #1: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 12/13/2022


Response #2:FYI-Contract 2J7304, Mandatory Pre-Bid Meeting is Wednesday, January 4, at 2 pm.
Response posted 12/13/2022




Inquiry #3: Please revise Sheet 52 so that Note 1 is readable
Inquiry submitted 12/14/2022

Response #1:Submitted for consideration.
Response posted 12/15/2022


Response #2:Please refer to Addendum 1.
Response posted 01/19/2023




Inquiry #4: When is the Mandatory Prebid Meeting?
Inquiry submitted 01/03/2023

Response #1:Submitted for consideration.
Response posted 01/03/2023


Response #2:The mandatory pre-bid virtual meeting is on January 4th at 2:00 PM. Register at least one hour before the meeting time. Send an email with the name, company, and bidder information to "D4.Construction.Duty.Senior@dot.ca.gov" to register. Please include the project number and "Mandatory Pre-Bid Meeting" within the subject of the email.
Response posted 01/03/2023




Inquiry #5: Could Caltrans please post the list of companies attending the virtual prebid meeting?
Inquiry submitted 01/05/2023

Response #1:Submitted for consideration.
Response posted 01/05/2023


Response #2:The following companies attended the virtual prebid meeting.
BROSAMER & WALL, INC.
DISNEY CONSTRUCTION
ELEVATING SALES CORP.
GHILOTTI CONSTRUCTION COMPANY
GOLDEN STATE BRIDGE, INC.
GORDON N. BALL, INC.
GRANITE CONSTRUCTION
MCM CONSTRUCTION, INC.
MYERS AND SONS
S KWOK ENGINEERS, INC.
THE DESIGN BUILD INC
Response posted 01/05/2023




Inquiry #6: Bid Item 17 - Per spec. section 12-3.24B, the monthly rental rate for the trailer rental is $15,000 expires 12/31/22.

Per the manufacturer, current rental rate is $25,000/month. Rate does not include Class A operator or tractor to tow.

Please confirm Caltrans will revise monthly rate accordingly.

Inquiry submitted 01/05/2023

Response #1:Submitted for consideration.
Response posted 01/06/2023


Response #2:Please refer to Addendum 1 Revised Specs.

Response posted 01/19/2023




Inquiry #7: BI# 63 - 2" Supply Line (Bridge): Please clarify location of line. Is line intended to be placed along overhang or thru soffit of bridge?

BI# 64 - 3" Supply Line (Bridge): Please clarify location of line. Is line intended to be placed along face of abutment?

Inquiry submitted 01/11/2023

Response #1:Submitted for consideration.
Response posted 01/12/2023


Response #2:The final anchor connection will be directed by the engineer based on field conditions.
Response posted 01/20/2023




Inquiry #8: Bid Item #16 has a bid quantity of 12 each. Looking at the MI plan sheets, there are no end of que devices shown. Where are these devices being positioned and when are they required? How did Caltrans arrive at the quantity of 12 each? Does the payment by each, mean by the day each unit is used or by how many units are used on the project and the number of days is up to us to decide?
Inquiry submitted 01/12/2023

Response #1:Submitted for consideration.
Response posted 01/13/2023


Response #2:Please refer to Section 12‐3.41 of the Special Provisions for "Temporary Automated End of Queue Warning System" and Section 12‐4.02C(10) "End of Queue Monitoring and Warning with Truck Mounted Changeable Message Sign" for usage.
Response posted 01/19/2023




Inquiry #9: Can you tell me what Item # 10 in the bid list consists of? and how many? does the AWIS require sensors as well? help me also understand the LS unit of measure and quantities associated with it.
Inquiry submitted 01/12/2023

Response #1:Submitted for consideration.
Response posted 01/13/2023


Response #2:Please refer to Section 12‐3.35A(1) of the Special Provisions and Section
12‐3.35 "Automated Work Zone Information Systems" of the Standard Specifications for requirements and usage.

Response posted 01/19/2023




Inquiry #10: Is the rebar in the voided slabs epoxy coated?
Inquiry submitted 01/13/2023

Response #1:Submitted for consideration.
Response posted 01/13/2023


Response #2:Please refer to project Specification, Section-52.
Response posted 01/20/2023


Response #3:No, the reinforcement in PC/PS voided slabs are not described as epoxy coated. Please bid per the current contract documents.
Response posted 01/20/2023




Inquiry #11: Plan sheet U-6 shows a 24" Butterfly Valve installation at RW Sta 1+00 which is outside the proposed tie-in for the 24" Recycled Water Relocation. Is this valve installed as a cut-in valve? If so, where is the next upstream shut-off valve south of this relocation area so we can determine the amount of water we will have to pump out of the existing pipe when making that BFV installation?
Inquiry submitted 01/16/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:A line stop valve must be installed with a hot tap at “RW” Sta. 4+26 as shown per SSP Section 77-2.

Response posted 01/20/2023




Inquiry #12: Is the Post size and count accurate for the signs listed on MIQ-1 of the plans? There are several 30"x Various size signs that call out for 2-6"x 8" posts.

Inquiry submitted 01/16/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:Bid according to current plans and specifications. Additional requests may be submitted to the Engineer.

Response posted 01/20/2023




Inquiry #13: Is the Post size and count accurate for the signs listed on MIQ-1 of the plans? There are several 30"x Various size signs that call out for 2-6"x 8" posts.

Inquiry submitted 01/16/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:Bid according to current plans and specifications. Additional requests may be submitted to the Engineer.

Response posted 01/20/2023




Inquiry #14: 1. Planting area quantities table on sheet PQ-1 shows 101 CY of soil amendment on sheet PP-3. However, we checked sheet PP-3 and still find not thing relate to soil amendment. Please clarify where 101 CY of soil amendment come from.
Inquiry submitted 01/17/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:Please be aware the total item quantity of Soil Amendment is correct. Soil Amendment is to be used for the Cultivation Area.

Response posted 01/20/2023




Inquiry #15: 1. Planting area quantities table on sheet PQ-1 shows 101 CY of soil amendment on sheet PP-3. However, we checked sheet PP-3 and still find not thing relate to soil amendment. Please clarify where 101 CY of soil amendment come from.
Inquiry submitted 01/17/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:Please be aware the total item quantity of Soil Amendment is correct. Soil Amendment is to be used for the Cultivation Area.
Response posted 01/20/2023




Inquiry #16: 2. Bid item list shows 1220 SQYD of cultivation. However, the quatity we take-off on plan is about 1,700 SQYD. Please clarify
Inquiry submitted 01/17/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:The 1220 SQYD of the Cultivation Area shown in the plans does not include the bio-infiltration swale.

Response posted 01/20/2023




Inquiry #17: 3. Bid item list shows 2" plastic pipe (class 315). However, irrigation notes on sheet IP-1 shown lateral line shall be Schedule 40 PVC pipe. Please clarify.
Inquiry submitted 01/17/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:On Plan Sheet IP-1, the lateral line shown as Schedule 40 PVC is to be Class 315 and paid on Item 72, 2" Plastic Pipe (Supply Line).

Please be aware, Standard Specifications, Section 5-1.02, CONTRACT COMPONENTS states:
If a discrepancy exists:
1. Governing ranking of Contract parts in descending order is:
1.1. Special provisions,
1.2. Project plans

Response posted 01/20/2023




Inquiry #18: 3. Bid item list shows 2" plastic pipe (class 315). However, irrigation notes on sheet IP-1 shown lateral line shall be Schedule 40 PVC pipe. Please clarify.
Inquiry submitted 01/17/2023

Response #1:Submitted for consideration.
Response posted 01/17/2023


Response #2:On Plan Sheet IP-1, the lateral line shown as Schedule 40 PVC is to be Class 315 and paid on Item 72, 2" Plastic Pipe (Supply Line).

Please be aware, Standard Specifications, Section 5-1.02, CONTRACT COMPONENTS states:
If a discrepancy exists:
1. Governing ranking of Contract parts in descending order is:
1.1. Special provisions,
1.2. Project plans

Response posted 01/20/2023




Inquiry #19: Due to the restricted hours for installing sheet piling and pipe piling, can these activities be added to the Noise Restriction Exceptions chart in Section 14-8.02?
Inquiry submitted 01/19/2023

Response #1:Submitted for consideration.
Response posted 01/20/2023


Response #2:Bid per current plans and specifications. Additional requests may be submitted to the Engineer.

Response posted 01/20/2023




Inquiry #20: On sheet 154 of 165, they reference #5 hoops. Can these hoops be lapped or do they need to be butt welded?
Inquiry submitted 01/19/2023

Response #1:Submitted for consideration.
Response posted 01/20/2023


Response #2:All Hoops over 24" diameter need to be Butt Welded. Please refer to Specification Section 52-6.03B

Response posted 01/20/2023




Inquiry #21: For Item # 10 in the bid list, please explain how many PCMS with sensors are needed in each location in plan sheet MI-1 to MI-09. Please confirm the duration of days needed for each plan sheet in summary of quantities page in MIQ-1 for Item #10 AWIS.
Inquiry submitted 01/19/2023

Response #1:Submitted for consideration.
Response posted 01/20/2023


Response #2:The AWIS is separate from the Motorist Information Plan. Please refer to Section 12-3.35A(1) of the Special Provisions and Section 12-3.35, Automated Work Zone Information Systems, of the Standard Specifications for requirements and usage.

Response posted 01/20/2023




Inquiry #22: Chart H1 is for NB101 and remarks that it can be used for Stage 2A and 2B. Chart H2 is for SB101 and remarks that it can be used for Stage 3A and 3B. Isn't NB constructed in Stage 3 and SB constructed in Stage 2? Please clarify.
Inquiry submitted 01/20/2023

Response #1:Submitted for consideration.
Response posted 01/20/2023


Response #2:Please bid Chart H1 being used for Stage 3A and 3B and Chart H2 being used for Stage 2A and 2B.
Response posted 01/24/2023


Response #3:Please be aware these charts can only be used twice, once for each Stage.
Response posted 01/24/2023




Inquiry #23: Are the Rapid Strength Concrete Pedestals paid with the RSC Item?
For clarity, please show the Abutment Seat and Backwall lines on the Elevation on Sheet 152.

Inquiry submitted 01/20/2023

Response #1:Submitted for consideration.
Response posted 01/20/2023


Response #2:No, the paid item for the RSC Pedestal is under TEMPORARY TRENCH COVER (as lump sump). For the abutment Seat and Backwall, see “PRECAST ABUTMENT DETAILS No. 1” Sheet,
Response posted 01/24/2023




Inquiry #24: For BId Item# 10: Please show in what particular Plan pages where an AWIS System is to be placed to inform motorists of traffic information. Please also provide wording on what the message should say in the plans sheets. If not determined, please show wording in the plans " determined by engineer of quantities and locations to used for AWIS system". Section 12-3.35, Automated Work Zone Information Systems, of the Standard Specifications for requirements and usage; does not explain quantities, only requirements of system capabilities and functions and in Section 12-3.35A(1), "Use an AWIS for the following construction stages or activities: 1. Full freeway closures"
When will a full freeway closure occur at which locations? Please show a plan sheet or diagram of work schedule of where a full freeway closure will be used. I also understand that it must comply with 12-3.32 & 12-3.32(c)of the special provision "1. Stationary lane closure
2. Off-ramp closure
3. Complete freeway closure
4. Speed reduction zone "
Please provide quantities needed for these types of closures shown above.

Inquiry submitted 01/23/2023

Response #1:Submitted for consideration.
Response posted 01/23/2023


Response #2:A submittal for the AWIS can be sent to the Resident Engineer concerning the usage, placement and messages on the AWIS. Please see the lane Closure Charts H1 and H2 for the four full freeway closures.
Response posted 01/25/2023




Inquiry #25: Are there any noise restrictions for the temporary sheet pile noted for the temporary creek diversion? ie Limited to weekends only, animal or fish concerns.

Are there any noise restrictions for the permanent sheet pile located along the face of the abutments? ie Limited to weekends only, animal or fish concerns.

Inquiry submitted 01/23/2023

Response #1:Submitted for consideration.
Response posted 01/23/2023


Response #2:There are no noise restrictions for sheet pile for the TCDS, and there are no fish passage requirements for sheet pile during Stage Construction. Please refer to and follow the Information Handouts for environmental permit requirements.
Response posted 01/24/2023




Inquiry #26: Is Treated Permeable Base required at the Approach Slab?
Inquiry submitted 01/24/2023

Response #1:Submitted for consideration.
Response posted 01/24/2023


Response #2:YES
Response posted 01/25/2023




Inquiry #27: How is the restrike of Non-Production Pile to be accomplished 2 days after initial driving if closing lanes during the day is only allowed on Saturdays and Sundays? Would it be acceptable to perform the restrike >2 days after initial driving?
Inquiry submitted 01/24/2023

Response #1:Submitted for consideration.
Response posted 01/24/2023


Response #2:2 days of setup is acceptable, and more than 2 days is allowable.
Response posted 01/25/2023




Inquiry #28: Bid Item #126 is for Chain Link Fence (Type CL-6). We could not find any Chain Link Fence (Type CL-6) in the layout plans. We did find Chain Link Fence (CL-7), and no Bid Item for the CL-7 fencing. Please clarify the Type of Chain Link Fence that is is required for this project, is it Type CL-6 or is it CL-7. If it is CL-7, please issue a revised Bid Item List with the CL-7 fence.
Inquiry submitted 01/25/2023

Response #1:Submitted for consideration.
Response posted 01/25/2023


Response #2:There is typo in the plan, the Bid Item is correct.
Response posted 01/25/2023




Inquiry #29: Item 125 calls for a CL-4 Vinyl Clad Fence. What color is the vinyl clad fence, please clarify.
Inquiry submitted 01/25/2023

Response #1:Submitted for consideration.
Response posted 01/25/2023


Response #2:Please follow Standard Specification Section 80-3.02C
Response posted 01/25/2023


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.