BIDDER'S INQUIRIES & RESPONSES
DISTRICT 11 CONSTRUCTION
CONTRACT NO:  11-235504
ROUTE / KP 11-Imp-86-69.7/109.1
LOCATION In Imperial County From San Felipe Creek Bridge To The Riverside County Line..
DESCRIPTION Existing Highway Cold Planed And Replaced With Asphalt Concrete.
ESTIMATE $ 12,700,000
ADVERTISE DATE 05/16/2005
BID OPENING 06/23/2005   07/07/2005
FINAL POSTING 07/06/05   @   15:05
BID RESULTS
1
GRANITE CONSTRUCTION CO
A. $16,233,698               B. 117 DAYS
$  17,602,598.00 
2
COFFMAN SPECIALTIES INC
A. $19,151,000               B. 120 DAYS
$  20,555,000.00 

The Caltrans District 11 Office is located at 2829 Juan Street, San Diego, CA 92110. The mailing address is P.O. Box 85406, San Diego, CA 92186-5406. 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
 
ADDENDUM

Addendum No. 1
05/25/05
 Addendum No. 2
06/10/05
 Addendum No.3
06/23/05
 

BIDDER'S INQUIRY SUBMITTAL FORM
 

Inquiry No.
Inquiry.
  1
Q: 06/17/05
    R: 05/24/05
Plan Sheet / Specification Reference= 25. Repair Spall Joints 26. Repair Longitudal Cracks.

Question=Per plans sheet C1, the widths of the repairs for bid items 25 and 26 are given; however, the depths are not.  What is the depth of the repair ? Without this information, the amount of polyester concrete may not be deternined,  and bid item is paid by M2.

  • In accordance to Section 10-1.30 "SPALL REPAIR PROCEDURE Concrete Removal,"  of the Special Provisions (page 173). Outlines of rectangular areas, as marked by the Engineer, shall be cut with a diamond bladed saw to a minimum depth of 37.5 mm but not greater than one third the depth of the pavement.  Repair Longitudal Crack shall be as shown on "CONSTRUCTION DETAILS, C1" of the plans and as required in Section 10-1.31 " Repair Longitudal Crack," of the Special provisions. 
2
Q: 06/20/05
R: 06/24/05
Plan Sheet / Specification Reference= 20. Rubberized Asphalt

Question=1. If the critical path of the project runs through the rubberized ac item, how long will it take Caltrans to complete test 375, and will contract time be extended while waiting for the test results?

  • Contractor is responsible for quality control and the State provides quality assurance. Please refer to section 6-3.02 "TESTING BY CONTRACTOR" of the 1999 Standard Specifications. 
3
Q: 06/20/05
    R: 06/24/05
 Plan Sheet / Specification Reference= 16. Roadway Excavation

Question= Will Caltrans provide compaction test results on the 95 % subgrade requirement for the widening within the same day of it's completion?

  • Please refer to the response to question no. 2.
4
Q: 06/20/05
    R: 07/01/05
Plan Sheet / Specification Reference=20. Rubberized Asphalt

Question=1. Please provide the AC profile grades, per lane, both existing and proposed , so as to determine the milling depths that are required to meet the surface tolerance requirements. 

  •  It is the Contractors responsibility to determine the amount of grinding required up to the maximum specified, to accomplish the specified tolerance under the straightedge specifications.
2. Does the existing AC surface meet the proposed surface requirements?
  • No,  the existing surface does not meet the proposed surface requirements. That is the reason for the contract specifying a cold plane item, leveling courses and overlay. 
5
Q: 06/24/05
R: 06/27/05
Plan Sheet / Specification Reference= Item #24 rapid strength concrete Section 10-1.29 rapid strength concrete

Question= In the 1st paragraph it says that the pccp and the underlyingctb are to be removed and replaced. But the rest of the section mentions only removing and replacing the pccp. Please clarify. 

  • The project plans do not reflect any CTB in the structural sections of this project. 
6
 Q: 06/27/05
     R: 06/28/05
   Plan Sheet / Specification Reference=Items 13-Cold Plane AC Pavement, 18--Asphaltic Emulsion (Fog Seal), 19-Asphalt Concrete (Type A), and 20-Rubberized Asphalt Concrete (Type G).

Question=Per Plans Sheets X-1 and X-2, Typical cross section show that the contractor will  not do any work outside 1.5 meters on the median shoulder and no work outside 3.05 meters on the right shoulder (except for the widening sections @ Sta. 706+012.984 to Sta. 901+50.869) Is this correct?

  • Typical cross sections  as well as Layouts (limits of pavement), constructions details, drainage sheets, and quantity sheets, etc.  should be considered in stablising limits of work. For example, turn pockets fall within the limits of the shoulder area.
7
Q: 06/28/05
    R: 07/01/05
  Plan Sheet / Specification Reference= Item 32, Transition Railing (Type WB, Q-1 10-1.37 Page 183

Question=What is the method of attachment where the WB transition railing attaches to existing metal bridge railing ( 2 different Types)

  • Please bid per the contract documents. 
8
Q: 07/01/05
R: 07/05/05
Plan Sheet / Specification Reference= Previous Pre Bid Inquiry and Response # 7

Question=Ref previous Pre-Bid Inquiry # 7 and your response dated 7/01/05- This response is ambiguous, non-responsive and inappropriate. Suggest that the Department comply with your public contract requirement  to "provide complete accurate plans and specifications" by issuing details, specifications bid items and refrence stanard plans to define, to all bidders, what your scope and method of compensation is. The "... bid per contract documents." answer is unacceptable.

  • Please bid per the 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