Caltrans Office Engineer

Viewing inquiries for 04-3A9224

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Inquiry #1: Are Cross Sections available for this project?
Inquiry submitted 06/27/2012

Response #1:Submitted for consideration.
Response posted 06/28/2012


Response #2:download below:


    http://www.dot.ca.gov/hq/esc/oe/project_ads_addenda/04/04-3A9224/pdf/x-sections/04-3A9224XS.pdf
    Response posted 08/16/2012




    Inquiry #2: We respectfully request a postponement to the Aug 28th, 2012 bid date for the above subject project. We understand there is to be a substantial forthcoming addendum for this
    project. We will need time to evaluate the entire addendum and all contract changes it will encompass and we would ask that the project be postponed in the anticipated addendum for at least 3 weeks.

    Inquiry submitted 07/31/2012

    Response #1:Submitted for consideration.
    Response posted 07/31/2012


    Response #2:Addendum 2 moved the bid opening date to October 12, 2012.
    Response posted 09/20/2012




    Inquiry #3: 1. Referring to Section 5-1.19 ,NON-HIGHWAY FACILITIES (INCLUDING UTILITIES), page 29 of the Special Provisions:

    “The utilities shown in the following table may interfere with pile driving, drilling activities, or subsurface
    construction, but the utility owner will not rearrange them. If you want any of them rearranged or temporarily
    deactivated, make arrangements with the utility owner.”

    How does the locating , rearranging, deactivating, misc. costs and delay time get paid for? Please advise.

    Inquiry submitted 08/02/2012

    Response #1:Submitted for consideration.
    Response posted 08/03/2012


    Response #2:The utilities are listed for information only and do not require relocation based on our evaluation. If the Contractor intends to relocate the facility for ease of operation or construction, the Contractor has to make the necessary arrangements with the respective utility owners at the Contractor’s own cost and time.
    Response posted 09/20/2012




    Inquiry #4: Please clarify and confirm the quantity for bid item 164(F), Miscellaneous Metal is correct? Our take-off yields a much higher quantity than the current bid item quantity of 103 lbs.

    Our take-off quantity currently consists of:
    • Cover Plate for Soundwall Opening at Station “I-880” 420+52
    • Cover Plate for Soundwall Opening at Station “I-880” 422+32
    • Cover Plate for OH Sign at Station “I-880” 440+60
    • Cover Plate for OH Sign at Station “i-880” 453+80
    Please confirm that the items listed above fall under the Miscellaneous Metal bid item category.

    Inquiry submitted 08/06/2012

    Response #1:Submitted for consideration.
    Response posted 08/07/2012


    Response #2:The cover plate at overhead signs are not paid separately but included in the compensation paid for concrete barrier. See Standard Specifications Section 83-2.04. Quantity for Miscellaneous Metal will be updated and will be issued as an addendum.
    Response posted 09/20/2012




    Inquiry #5: Referring to Bid Item 111 (F), STRUCTURE CONCRETE (BRIDGE), and sheets 351,356,359 of 413,and Section 10-1.64 of the Special Provisions, please confirm and clarify the contractor can use a Stay In Place metal deck to
    form the concrete slab.

    Inquiry submitted 08/06/2012

    Response #1:Submitted for consideration.
    Response posted 08/07/2012


    Response #2:The contractor can use stay in place metal deck to form the concrete slab.
    See note on sheet 339 of 413.
    Specifications for the metal deck will be provided in addendum.

    Response posted 09/20/2012




    Inquiry #6: Sheet 377 show existing steel; Note 2 states bolts to be finger tight until deck is in place. Is this note for the new steel that connects to the existing steel? Please clarify.
    Inquiry submitted 08/08/2012

    Response #1:Submitted for consideration.
    Response posted 08/09/2012


    Response #2:The contractor can use stay in place metal deck to form the concrete slab.
    See note on sheet 339 of 413.
    Specifications for the metal deck will be provided in addendum.

    Response posted 09/20/2012




    Inquiry #7: Reference the 24" CIDH Piling. The reinforcing steel cages in the bridge are piad under Bar Reinforcing Bridge, want to confirm that the rebar for the 24" CIDH at the Retaining Wall and the Crash Wall are paid in the Pile items 108 and 109 and not under the Bar Reinforcing items 123 and 127.
    Inquiry submitted 08/08/2012

    Response #1:Submitted for consideration.
    Response posted 08/09/2012


    Response #2:Submitted for consideration.
    Response posted 08/09/2012


    Response #3:The rebar for 24” CIDH should be paid under Bar Reinforcing items.
    Bar reinforcing quantities will be updated in addendum.

    Response posted 09/20/2012




    Inquiry #8: Do you have a copy of the sign in sheet from the mandatory pre-bid meeting for this project that you could post?

    Inquiry submitted 08/16/2012

    Response #1:See link below and see Outreach Event "C".

    http://www.dot.ca.gov/dist4/smallbusiness/



    Response posted 08/16/2012




    Inquiry #9: Per section 10-4 Sanitary Sewer Facilities; we are required to provide a Sewer By-Pass to control the existing flows during construction. Please provide the flow data so we can determine the by pass pumping requirements.
    Inquiry submitted 09/07/2012

    Response #1:Submitted for consideration.
    Response posted 09/07/2012


    Response #2:For by-pass pumping requirements, the Contractor should plan for the sewer pipes flowing full. The estimated flow rate in this condition is about 1 cfs for both sanitary sewer systems 1 and 2.
    Response posted 09/24/2012




    Inquiry #10: There are significant bidder’s inquiries that remain unanswered since the end of July. The only responses posted have been for cross section access and a request for the pre-bid attendee list. When can the bidder’s expect the forthcoming addendum to address the CIDH pile and other items for this project? Does Caltrans intend to postpone this project from the current bid date of October 12th? Clarifications and bidder inquiry responses would be appreciated to complete our estimate for this project.
    Inquiry submitted 09/20/2012

    Response #1:Submitted for consideration.
    Response posted 09/20/2012




    Inquiry #11: In addendum # 2 the bid date change but not the time. Other projects bidding on a Friday are at 10:00 am, is Caltrans changing the time due from 2:00 pm on 10/12/12 to 10:00 am? This should be done by an addendum if it is being changed.
    Inquiry submitted 09/25/2012

    Response #1:Submitted for consideration.
    Response posted 09/25/2012




    Inquiry #12: The layout and quantity sheets show 10 feet of existing median barrier to be removed and new barrier (395+93.50 to 396+03.50). The traffic handling plans do no shown any temporary krail or crash cushions for this work. Will temp krail or crash cushions be required? If so, please provide plans for it.
    Inquiry submitted 09/25/2012

    Response #1:Submitted for consideration.
    Response posted 09/25/2012


    Response #2:The median barrier work can be carried out without the need for additional Temporary Railing (Type K) or Temporary Crash Cushion Module. Please bid according to the contract documents.
    Response posted 09/27/2012




    Inquiry #13: Under which item is the tack for the HMA on Bridge Decks paid? Item 93 or 100?
    Inquiry submitted 09/25/2012

    Response #1:Submitted for consideration.
    Response posted 09/26/2012


    Response #2:Tack coat payment should be included in Item 93.
    Response posted 10/09/2012




    Inquiry #14: Per section 10-1.62 of the special provisions, "HMA on deck seals shall be placed in not less than 2 approximately equal layers. The first layer shall be not less than one inch after compaction." Per plan sheet #336, the bridge deck gets 1" HMA. Please clarify.
    Inquiry submitted 09/25/2012

    Response #1:Submitted for consideration.
    Response posted 09/26/2012


    Response #2:The Bid Opening Date is 10/12/12 and an Addendum will not be issued. Contractor to bid per the current contract bid documents.

    Response posted 10/10/2012




    Inquiry #15: Referring to sheet 387, 107/413, and Special Provision Section 10-1.19, ‘Right of Way Obstructions’:
    1. Is the 12 KV line intersecting Bent #3, overhead or does it go thru Bent #3. Will this be relocated or de-energized?
    2. Will the fiber optic line at the Crash Wall be relocated, what is the allowable ground load?
    3. What are the allowable ground loads on the HP fuel lines running between Bents 12 and 13?
    Please provide clarifications.

    Inquiry submitted 09/26/2012

    Response #1:Submitted for consideration.
    Response posted 09/26/2012


    Response #2:1. The 12 kV PG&E line is below ground. The line is scheduled to be relocated before construction commences.

    2. The fiber optic line will not be relocated. Contractor will need to contact UPRR before commencing work near the fiber optic lines. See Section 13 of the Special Provisions.

    3. Contractor will need to provide for approval specifications of equipments/vehicles to be used over Kinder Morgan lines. An updated Section 10-1.01 (Order of Work) will issued as part of an upcoming addendum.
    Response posted 09/27/2012




    Inquiry #16: During the pre-bid meeting for this project we were advised that Caltrans is the in process of re-designing the foundations for this project and that an addendum will be issued for the new design. In this regards we have the following questions:
    1) When will the addendum be issued with the revised foundation design?

    2) Will the current bid date of 10/12/15 be changed?

    Your prompt response to these questions will be appreciated.

    Inquiry submitted 09/26/2012

    Response #1:Submitted for consideration.
    Response posted 09/26/2012




    Inquiry #17: Referring to plan sheet 341/413 and Special Provision Section 13-1, ‘Relations With Railroad Company’, can we get a schedule of the daily train traffic?
    Inquiry submitted 09/26/2012

    Response #1:Submitted for consideration.
    Response posted 09/26/2012


    Response #2:UPRR does not provide a train traffic schedule.
    Response posted 09/27/2012




    Inquiry #18: The project "Amendments to Standard Specifications" added section 6-1.085 Buy America. I do not see a Federal aid number within the specifications.

    Please confirm that this project is NOT subject to the "Buy America" material requirement for steel products.

    Inquiry submitted 10/04/2012

    Response #1:Submitted for consideration.
    Response posted 10/05/2012


    Response #2:Buy America is not applicable.
    Response posted 10/08/2012




    Inquiry #19: Section 13 specifies Railroad Insurance. We will be bidding this project as a subcontractor. If our work is NOT within 50' of the railroad right of way, will we be required to provide a Railroad Endorsement on our General Liability policy?
    Inquiry submitted 10/04/2012

    Response #1:Submitted for consideration.
    Response posted 10/05/2012


    Response #2:According to UPRR, all insurance required pertaining to the railroad is the responsibly of the prime contractor not the sub.
    Response posted 10/09/2012




    Inquiry #20: What is the train count per day that use the tracks? Is the track considered "mainline" or "other"?


    Inquiry submitted 10/08/2012

    Response #1:Submitted for consideration.
    Response posted 10/08/2012


    Response #2:This is the Coast Subdivision mainline track. The train count is three trains per day average. The train count can change as the business on the railroad grows.
    Response posted 10/09/2012




    Inquiry #21: Please confirm that the Chain Link Fence (Type CL-4, MOD) will have a "galvanized" finish and NOT a "vinyl-clad" finish.
    Inquiry submitted 10/08/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012




    Inquiry #22: In order for the 10' TCE behind RWs SB-1 and SB-2 to be useable by the Contractor, existing sheds, fencing, and other improvements will need to be removed. How is this removal paid for? Do these improvements need to be replaced; if so how is the restoration paid for?
    Inquiry submitted 10/08/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012


    Response #2:Existing garages, sheds, residential units and other structures within the TCE shall be preserved and not removed. Work related to fence is already included in the contract documents.
    Response posted 10/10/2012




    Inquiry #23: The plans show existing soundwall to be removed from 395+33 to 400+79 and 414+90 to 422+84. Site inspection shows that these soundwalls are founded on retaining walls. These retaining wall are neither shown on the plans nor shown on the State supplied cross-sections. Do these walls need to be removed? If so, how is the removal paid for? Does the State have records of where these walls are(bottom of footing elevations, wall types, offsets from centerline) so that accurate excavation and access plans for SB-1 and SB-2 can be developed?
    Inquiry submitted 10/08/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012


    Response #2:The existing retaining walls will need to be removed. The removal is paid as part of Bid Item 153121 "Remove Concrete". See also sheet Q-2 for quantity breakdown of this item.
    Response posted 10/10/2012




    Inquiry #24: Is the bird netting referenced in Section 5-1.13 of the Special Provisions paid ar EWFA per the Standard Specifications? If not, what bid item should the work be included in?


    Inquiry submitted 10/08/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012




    Inquiry #25: Please confirm the steel material specified for new construction for is A709 Grade 50W, and the new construction steel will not paint.
    Inquiry submitted 10/08/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012




    Inquiry #26: Ref. Sheet 353 of 413 "Limits of Concrete Removal at Bent Cap"; As the existing deck reinforcement is to remain at the new top flange splice plates, the new 5" long HS bolts must be installed from beneath with the nuts on the top of the splice plates. Please confirm this is acceptable.
    Inquiry submitted 10/09/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012




    Inquiry #27: Ref. Sheet 353 of 413, Detail C; What is the gap between the end of the existing beant cap and the end of the new bent cap?
    Inquiry submitted 10/09/2012

    Response #1:Submitted for consideration.
    Response posted 10/09/2012




    Inquiry #28: Please refer to spec section 10-1.35, survey of existing non-highway facilities. Regarding the elevation survey, per the specs the elevation measuring equipment shall be capable of measuring changes in elevations to the nearest 1/200 inch. Should this be 1/200 foot? We discussed this with several professional land surveyors in the area and their equipment is not capable of measuring elevation changes to the nearest 1/200 inch but is capable to the nearest 1/200 foot.
    Inquiry submitted 10/09/2012

    Response #1:Submitted for consideration.
    Response posted 10/10/2012


    Response #2:Please bid according to the current bid documents.
    Response posted 10/11/2012






    The information provided in the responses to bidder inquiries is not a waiver of Section 2-1.03, “Examination of Plans, Specifications, Contract, and Site of Work,” 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.