BIDDER'S INQUIRIES & RESPONSES
DISTRICT 11 CONSTRUCTION


CONTRACT NO: 11-257144
ROUTE / PM 11-SD-15, 76-R46.1/R47.3,R16.7/R17.7
LOCATION In San Diego County Near Bonsall And Fallbrook On Route 15 From 0.4 Mile South To 0.8 Mile North Of Route 76/15 Separation And On Route 76 From 0.5 Mile West To 0.5 Mile East Of Route 76/15 Separation.
DESCRIPTION Modify And Widen Interchange.
CONTRACT TYPE A + B Bidding
ESTIMATE $24,400,000
WORKING DAYS

665

ADVERTISE DATE 05/21/2012
BID OPENING 07/19/2012
FINAL POSTING
07/19/2012 @ 12:10

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 the day prior to the bid opening. However, to allow the Department reasonable time to review and respond, bidders are recommended to send in their inquiries at least four (4) working days prior to the bid opening.   


INFORMATION AVAILABLE

 
INFORMATION HANDOUT

BID ITEMS
 SPECIALS
PLANS
PLANHOLDERS 

 

X-SECTIONS    

 

ORDERING PROJECT PLANS AND SPECIFICATIONS   

  *DVBE participation incentive up to $250,000 * Cost per set: Bidders: $E-ad, Non-bidders: $E-ad


ADDENDUM

ADDENDUM#1
ADDENDUM#2

 

BIDDER'S INQUIRY SUBMITTAL FORM

Inquiry No.
Inquiry

   1

  Q:05/21/12
  R:05/22/12

Plan Sheet / Specification Reference= Special Provision Section 5-1.12 Supplemental Project Information

Question= Special Provision Section 5-1.12 Supplemental Project Information page 44, states that cross sections are available for this project. When will the cross sections be posted and available for our download and use?

  • Cross sections are available and can be downloaded from the above link.

  2

  Q:06/05/12
  R:06/15/12

R:06/29/12


Plan Sheet / Specification Reference= Reference section 5-1.16 (CRWQCB) requirements.

Question= Is a copy of the 401 certification permit available?

  • Your inquiry has been received and is being reviewed. Thank you for your patience.
  • Please refer to Addendum #1.

  3

  Q:06/25/12
  R:06/25/12

R:06/26/12


Plan Sheet / Specification Reference= General Question

Question= I don't see any "Buy America" requirements listed on this project, Does that mean that there are none?

  • Your inquiry has been received and is being reviewed. Thank you for your patience.
  • ATTENTION IS DIRECTED TO THE FOLLOWING:
    - STANDARD SPECIFICATIONS SECTION 6-1.08, "FOREIGN MATERIALS"
    - THE AMENDMENTS TO THE STANDARD SPECIFICATIONS DATED MAY 2006 AMENDMENTS ISSUE DATE: 04-20-12 AS ATTACHED TO THE SPECIAL PROVISIONS, SECTION 1-4.02 "GLOSSARY"  PAGE 5 of 297
    -THE AMENDMENTS TO THE STANDARD SPECIFICATIONS DATED MAY 2006 AMENDMENTS ISSUE DATE: 04-20-12 AS ATTACHED TO THE SPECIAL PROVISIONS, SECTION 6 "CONTROL OF MATERIALS"
    PAGE 46 of 297

  4

  Q:07/03/12
 R:07/09/12


Plan Sheet / Specification Reference= Item 79, Erosion Control (Polymer Stabilized Fiber Matrix), 298-310, 10-1.46

Question= Per the manufactures recommended application rates 10 gal per acre is the maximum rate of application, Specs state to apply 84 gal per acre.

  • Please refer to Addendum #2.

  5

  Q:07/09/12
R:07/12/12

Plan Sheet / Specification Reference= Bid item number 145 - 148 Alternative pipe, APC allowable Pipe

Question= APC Spec calls out for spiral ribbed with polymeric sheet coating and polymerized assault invert. Is polymeric trenchcoat acceptable, polymeric sheeted with asphalt invert is no longer commercially available?

  • If the polymetric sheet coating and polymerized asphalt invert are not commercially available, use another APC allowable pipe shown on plan sheet DQ-1.

  6

  Q:07/18/12
R:07/18/12

Plan Sheet / Specification Reference= Plan Sheets 472 to 474

Question= Plans sheets 472-474 show a detail of "log of test borings" for the project. Please clarify if this information is representation for work in the entire project?

  • Please refer to Section 2-1.03 "Examination of Plans, Specifications, Contract, and Site Work" of the Standard Specifications regarding the use of the log of test borings.

  7

  Q:07/18/12
R:07/18/12

Plan Sheet / Specification Reference=

Question=

Q #1: Section 8-1.02 “State Furnished Materials” of the Special Provisions are not consistent to all the materials identified to be furnished under section 10-3 of the Special Provisions. Please clarify.

  • Please bid per the current contract documents.



Q #2: Bid items 227 and 228 are identified as final pay items for conduit however there is no payment provision under Section 10-3.23 of the special provisions to clearly identify the scope of materials to be included in said pay item. Please clarify.

  • Please bid per the current contract documents.

Q #3: Section 10-3.07 refers to the plans for a “T” trench detail. None are shown on the project electrical plans. Please clarify.

  • Please bid per the current contract documents.

Q #4: Section 10-3.19 subsection “fiberglass communication conduit” provides specifications for “fiberglass conduit” and its conformance to the details shown on the plans. However there are no fiberglass details shown on the electrical
plans. Please clarify.

  • Please bid per the current contract documents.

Q #5: Plan sheet 471 detail the installation of the communication conduit in the bridge. However, there are no corresponding electrical plan details for the installation to the material (i.e.: hanger rod, clamps and utility bracket) shown on the sheet. Please clarify the method of payment and specifications requirements for the mounting assembly since there is no language in the electrical.

  • Please bid per the current contract documents.

  8

  Q:07/18/12
R:07/18/12

Plan Sheet / Specification Reference= Contract plan sheet 461, CIDH pile detail for 24" diameter shaft

Question= Current rebar desing does not meet current Caltrans desing standards for 5" x 5" window clearance between vertical #11 bars. As well as curretn desing stadnards for clearance of 3" between PVC inspection tube and vertical rebar. Cage needs to be redesigned before constrcution starts.

  • Please bid per the current contract documents.


  9

  Q:07/18/12
R:07/18/12

Plan Sheet / Specification Reference= Special Provisions, page 226

Question= Under placing concrete, Item 'A'; pump placement of concrete thru 10" tremie will not work in a 18" OD rebar cage, with PVC inspection tubes. Will the option of a 5" tremei be allowed as an addendum for this project.

  • Please bid per the current contract documents.

  10

  Q:07/19/12
R:07/19/12

Plan Sheet / Specification Reference=

Question=

Q #1: Section 10-3.23 “Payment” of the Special Provisions indicates the payment of “interconnection conduit and cable” plan sheet or scope work to be paid under count station. However, there are no plans designated with such title and the
count station plans do not show such work. Is it in the traffic signals plan sheets? Please clarify.

  • Please bid per the current contract documents.


Q #2: Sections 10-3.07 “Conduit” and Section 10-3.19 “Fiber Optic Communication Systems” have conflicting requirements and are not consistent with the plans. Please clarify the prevailing section for communication conduit work.

  • Please bid per the current contract documents.


Q #3: Plan sheets notes between the permanent traffic signal work and the stage construction signal notes and work are not clear. Please confirm that stage work required to be performed may result in its ultimate use though it is not entirely
clear in the permanent work plans.

  • Please bid per the current contract documents.


 


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