Viewing inquiries for 06-0K4604

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Inquiry #1: Referring to Bid Item #61(F), STRUCTURE CONCRETE, BRIDGE FOOTING, the concrete quantity appears to be overstated.
Please confirm.

Inquiry submitted 02/21/2017

Response #1:Submitted for consideration.
Response posted 02/24/2017


Response #2:Refer to Addendum No. 1, dated March 17, 2017. The quantity has been revised for the item Structural Concrete, Bridge Footing.
Response posted 03/20/2017




Inquiry #2: 1. Referring to Bid Item 65, BENT CAP WITH COLUMN MOCK-UP,
cutting and revealing connection, where does this occur?

2. Referring to Bid Item 63 (F), STRUCTURE CONCRETE, BRIDGE (POLYMER FIBER), we are assuming we can use a stay-in-place metal deck to support this bridge deck, between the pre-cast girders. Please confirm.

Inquiry submitted 02/21/2017

Response #1:1. There is no reference to the words "cutting and revealing connection" in the plans nor special provisions. Please clarify your question with specific references to the contract documents.

2. No, permanent steel deck forms are not specified as an option in the contract Special Provisions. Please refer to Section 51-1.03C(2)(c)(i), paragraph 2, of the Standard Specifications.
Response posted 02/24/2017




Inquiry #3: Referring to Special Provision page 14 and 15, "Add to the end of Section 5-1.33", use of Tier 4 engines, please clarify what Additive Item 1 is, and if Additive Item 1 is included in the contract.
Inquiry submitted 02/22/2017

Response #1:Submitted for consideration.
Response posted 02/24/2017


Response #2:Refer to Addendum No. 1, dated March 17, 2017.
Response posted 03/21/2017




Inquiry #4: The correct quantity for Bid Item 135 "CONCRETE BARRIER (TYPE 60F)" is 160 LF. Per Section 83-3.04 of the Standard Specifications "The payment quantity for Type 60F, 60GE, and 60SF concrete barriers is the length measured once along the centerline between the 2 walls of the barrier."
Please correct in an addendum.

Inquiry submitted 02/28/2017

Response #1:Submitted for consideration.
Response posted 02/28/2017


Response #2:Refer to Addendum No. 1, dated March 17, 2017.
Response posted 03/21/2017




Inquiry #5: Please verify Summary of Quantities (Q-2) for Guardrail, some locations for Salvage Guardrail and MGS (Steel Post) were missing and not shown on the Layout Plans. Thanks
Inquiry submitted 03/13/2017

Response #1:Submitted for consideration.
Response posted 03/13/2017


Response #2:Refer to Addendum No. 1, dated March 17, 2017.
Response posted 03/21/2017


Response #3:
Response posted 03/21/2017




Inquiry #6: In order to generate an accurate earthwork take off, please provide one of the following:

- Contour grading plan view showing the existing and proposed contour lines *.PDF

- Design topo plan view *.DGN file

Inquiry submitted 03/13/2017

Response #1:Submitted for consideration.
Response posted 03/14/2017




Inquiry #7: Section 19-6.03D of the project special provisions require that a surcharge be placed at new abutments 1 &3. The height of the surcharge above grading plane is 21’. Is this correct that the surcharge is on top of the new fill? This will require shoring of at least 30’ tall from the existing HWY 46 at abutment #1. Furthermore it will require shoring along HWY 99 in front of the abutment for both abutment 1 &3.
Please confirm that the 21’ surcharge is from the grading plane or existing grade.
How is the placement and removal of the surcharge paid? Also how is the additional shoring along HWY 46 and HWY 99 to be paid?

Inquiry submitted 03/16/2017

Response #1:Submitted for consideration.
Response posted 03/17/2017


Response #2:Refer to Addendum No. 2, dated March 27, 2017. Section 19-6.03D of the Special Provisions has been revised; there is no surcharge.
Response posted 03/27/2017


Response #3:
Response posted 03/27/2017




Inquiry #8: Bid Item #63 STRUCTURAL CONCRETE, BRIDGE (POLYMER FIBER) quantity is under stated. The takeoff quantity is almost double the bid item. It appears the bid quantity only accounts for 7.25” of deck and not the thickened area over the girders or diaphragms. Please confirm the quantity and revise the bid quantity.
Inquiry submitted 03/20/2017

Response #1:Submitted for consideration.
Response posted 03/20/2017


Response #2:The Structural Concrete, Bridge (Polymer Fiber) quantity is only for the bridge deck. Contractor to bid per the current contract bid documents.
Response posted 03/21/2017




Inquiry #9: The Stage Construction and Traffic Handling sheets are missing a “Stage 3.” The current plans do not provide traffic handling for the construction of R-1 line (which will take several weeks to complete, the detour ramp must be closed for this work) and R-3 ramp the NB on ramp is accounted for, no TH plans for the NB off ramp. Please provide updated traffic handling plans and traffic chart for the long term closure of SB off ramp and NB on and off ramps to allow for construction.
Inquiry submitted 03/20/2017

Response #1:Submitted for consideration.
Response posted 03/20/2017




Inquiry #10: Reference is made to the replaced paragraphs of Section 7-1.02C of Addendum No. 1. If the contractor is in compliance with company specific Air Resources Board Phase-ins and grace periods, will the contractor be considered in compliance with this section of the specifications or does this provision supersede any compliance schedule and require the use of tier 4 interim or tier 4 final engines (to avoid the $2000/day penalty)?
Also, please provide a payment description for "Additive Item 1".

Inquiry submitted 03/24/2017

Response #1:Submitted for consideration.
Response posted 03/27/2017




Inquiry #11: For precast prestressed girder please provide the dap stirrup reinforcement.
Also, (2)-#6 bars as only shear bars supporting girder at dap look inadequate.

Inquiry submitted 03/25/2017

Response #1:Submitted for consideration.
Response posted 03/27/2017




Inquiry #12: Inquiry #8: Bid Item #63 STRUCTURAL CONCRETE, BRIDGE (POLYMER FIBER) quantity is under stated. The takeoff quantity is almost double the bid item. It appears the bid quantity only accounts for 7.25” of deck and not the thickened area over the girders or diaphragms. Please confirm the quantity and revise the bid quantity.
Inquiry submitted 03/20/2017

Response #1:Submitted for consideration.
Response posted 03/20/2017

Response #2:The Structural Concrete, Bridge (Polymer Fiber) quantity is only for the bridge deck. Contractor to bid per the current contract bid documents.



The take off quantity is still 60% over the bid item if you include only the deck and the thickened part of the deck over the girders. Please correct the bid item to reflect the correct quantity. Also what item is the interior and end diaphragms to be paid under? There is no clear identification of diaphragm concrete in the project plans.

Inquiry submitted 03/27/2017

Response #1:Submitted for consideration.
Response posted 03/27/2017




Inquiry #13: The North Kern Water Storage District- License Agreement for the Lerdo Canal 120” RCP work requires that the Licensee pay $10,500.00 to execute the license. The specifications do not specify who is paying this consideration. Please clarify if the state is going to pay for this consideration.
Inquiry submitted 03/27/2017

Response #1:Submitted for consideration.
Response posted 03/27/2017


Response #2:Caltrans has coordinated with North Kern Water District (NKWSD) to make payment for the License Agreement fee of $10,500.
Response posted 03/28/2017




Inquiry #14: Plan sheets 56 thru 65 only include the Stage-2 index plan sheets but the not the detour layout for the SR-46 on the east side of SR-99. Please confirm that DW-1, R-3 and SR-46 intersection will be completely shut down and built in stage 2 as shown in SC-2 plan sheet 57 of 208.
Inquiry submitted 03/27/2017

Response #1:Submitted for consideration.
Response posted 03/27/2017




Inquiry #15: There will be an extensive amount of clearing and grubbing along the new alignment of F-1 (Existing vine yard) that is not shown on layout drawings nor the quantities are tabulated on the summary of quantities sheet Q-4. Please advise how this work gets paid.
Inquiry submitted 03/27/2017

Response #1:Submitted for consideration.
Response posted 03/28/2017




Inquiry #16: Inquiry submitted for Caltrans contract 06-0K4604 on March 27, 2017.

Addendum #2 Please clarify the use of the added traffic chart:
Does the new traffic chart G2 correspond to Stage 1 TH-4 & TH-5? Will the closure of the #3 lane using K-rail be limited to the weekend only?


Matthew Bassett matthew.bassett@gcinc.com resubmitting per email.

Inquiry submitted 03/27/2017

Response #1:Submitted for consideration.
Response posted 03/28/2017






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.