BIDDER'S INQUIRIES & RESPONSES
DISTRICT 11 CONSTRUCTION

 
CONTRACT NO: 11-272504
ROUTE / KP 11-SD-94-3.3
LOCATION In San Diego County In San Diego At Chollas Creek Bridge
DESCRIPTION Rebuild Concrete Channel.
ESTIMATE $ 350,000
WORKING DAYS

30

ADVERTISE DATE 07/28/2008
BID OPENING 08/28/2008   09/11/2008
FINAL POSTING

09/10/08   @   1605


BID RESULTS

The Caltrans District 11 Office is located at 4050 Taylor Street, San Diego, CA 92110. The District 11 Duty Senior telephone number is (619) 688-6635. Please submit all inquiries in the proper format by fax to (619) 688-6988 or e-mail to:
Duty_Senior_Const_District11@dot.ca.gov.
The responses to bidder' inquiries, unless incorporated into a formal addenda to the contract, are not a part of the contract and are provided for the bidder's convenience only. In some instances, the question and answer may represent a summary of the matters discussed rather than a word-for-word recitation. The responses may be considered along with all other information furnished to prospective bidders for the purpose of bidding on the project. The availability or use of information provided in the responses to bidder' inquiries is not to be construed in any way as a waiver of the provisions of Section 2-1.03 of the Standard Specifications or any other provision of the contract, the plans, Standard Specifications or Special Provisions, nor to excuse the contractor from full compliance with those contract requirements. Bidders are cautioned that subsequent responses or contract addenda may affect or vary a response previously given.
Caltrans District 11 Construction Department has developed this method of answering Bidder's Inquiries to better serve the needs of the Contractors who bid on our Projects. Caltrans District 11 Construction Department will post all of the questions submitted by any of the contractors that are registered Planholders for that Contract, but reserves the right to not answer any questions deemed unsatisfactory for public viewing.
The BIDDER'S INQUIRIES & RESPONSES will be updated continuously and all attempts will be made to do the final posting by 15:00 on Wednesday prior to the bid opening.
INFORMATION AVAILABLE


BID ITEMS
 SPECIALS
PLANS
 PLANHOLDERS


ORDERING PROJECT PLANS AND SPECIFICATIONS

ADDENDUM



 

BIDDER'S INQUIRY SUBMITTAL FORM


Inquiry No.
Inquiry
    1 

   Q:08/07/08
   R:08/15/08

Plan Sheet / Specification Reference= SPECIAL PROVISION SECTION 10-1.07  PAGE 34

Question= THE SECOND PARAGRAPH STATES "THE SOIL LABORATORY DATA FROM CHOLLAS
CREEK IS INCLUDED WITH THIS CONTRACT."   WHERE IS IT?

  • Please refer to the above Project Information link.
   
    2 

   Q:08/07/08
   R:08/08/08

Plan Sheet / Specification Reference= 17 Concrete (Channel Lining)

Question= Are you allowing shotcrete for this work?

  • No.
          
    3 

   Q:08/07/08
   R:08/15/08

Plan Sheet / Specification Reference= section 5-1.03 Information at the district office

Question= Who do I contact to see the information listed on page 5? Is the SDRWQCB permit in place to do this work?

  • Please refer to the above Project Information link.

    4 

   Q:08/07/08
   R:08/15/08

Plan Sheet / Specification Reference= Plan Sheet No. 8 of 10 CS-1

Question= See detail titled "TYPICAL - PLACEMENT OF TRAFFIC PLASTIC DRUM" Where on the job does this detail apply?

  • This detail is standard in every contract should it ever be needed.  
 
    5 

   Q:08/07/08
   R:08/27/08

Plan Sheet / Specification Reference= Sheet 2 of 10 C-2

Question= This plan sheet shows Exist 36" RCP and Exist AC DITCH.  How do these facilities interface with the existing channel and how do they tie in to the new channel? Are details and bid items required?

  • Please refer to Addendum No. 2 dated 08/27/08.

      

    6 

   Q:08/11/08
   R:08/15/08

Plan Sheet / Specification Reference= Item No. 16 & 17

Question= Item #16 - Page 54 of Special Provisions list Magnesium Phosphate based concrete and modified high alumina based concrete to be placed before overlay. Does this placement take place before or after the methacrylate resin prime coat

  • Please refer to Section 10-1.27 "POLYESTER CONCRETE OVERLAY" of the Special Provisions.

Item #17 - Is concrete for channel lining Minor Concrete? If not then what class concrete? 

  • Please refer to Section 72-4 of the May 2006 Standard Specifications.

    7 

   Q:08/15/08
   R:08/27/08

Plan Sheet / Specification Reference=

Question= ON A PREVIOUS QUESTION ASKING ABOUT THE USE OF SHOTCRETE THE ANSWER
WAS NO.  ON A QUESTION ABOUT WHAT KIND OF CONCRETE, SECTION 72-7 WAS THE
ANSWER.  SECTION 72-4 ALLOWS THE CONTRACTOR THE USE OF SHOTCRETE.  IS IT
STILL THE CONTRACTORS OPTION?

  • Shotcrete is not an option. Please refer to Addendum No. 2 dated 08/27/08. 

   Q:08/22/08
  R:08/28/08


Plan Sheet / Specification Reference= Item #16 Place Polyester Concrete Overlay.

Question=Will there be a need for spall repair prior to placing the poly concrete and if so, how will that be paid?

  • Please bid per the current contract bid documents.

   Q:08/26/08
   R:XX/XX/08


Plan Sheet / Specification Reference=

Question= 1.       Is this to be a monolithic pour?

  • Please refer to sheet C-2 CONSTRUCTION DETAILS of the contract plans.

What is required between construction joints? Are there any requirements for expansion or contraction joints?

  • Please bid per the contract documents.
     
    2.       Is there any requirement for waterstop or sealant?
  • No.
     
    3.       Is there ever water anticipated to be in the channel? Where can we find water flow charts and information?
  • There is no information available in this contract regarding the amount of water in the channel.
     
    4.       Is there aggregate base required beneath the channel lining? If so, what is the tolerance?
  • No.
     





OTHER LINKS OF INTEREST

DISTRICT 11 CONSTRUCTION BIDDER'S INQUIRIES & RESPONSES
DISTRICT 11 HOMEPAGE
CALTRANS OFFICE ENGINEER: Contract Advertisement, Special Provisions, Plan Holders, Contract Awards, etc.
DEPARTMENT OF TRANSPORTATION