BIDDER'S INQUIRIES & RESPONSES
DISTRICT 11 CONSTRUCTION
CONTRACT NO:  11-167874
ROUTE / KP 11-IMP-78, 111-24.6/25.4,R33.0/R35.8
LOCATION In Imperial County Near Brawley On Route 78 From 0.5 km East To 1.2 km East Of East Junction Route 111 And On Route 78 From 0.2 km North Of Mead Road To 0.4 km North Of Route 78.
DESCRIPTION Construct Four-Lane Expressway (Stage 1).
ESTIMATE $ 10,300,000.00
A + B Bidding
ADVERTISE DATE 09/29/03
BID OPENING 11/06/03
FINAL POSTING 11/05/03    @    15:45

BID RESULTS
  1 
GRANITE CONSTRUCTION CO. $ 10,394,983.00
2
KIEWIT PACIFIC CO. $ 11,957,067.00
3
HAZARD CONSTRUCTION CO. $ 11,851,522.00

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
 MIBs
CROSS SECTIONS
   
ADDENDUM

  ADDENDUM NO.1
10/10/03
 
 
 
 

BIDDER'S INQUIRY SUBMITTAL FORM
 

Inquiry No.
Inquiry
 1
Q:10/01/03
    R:10/01/03
Plan Sheet / Specification Reference=NOTICE TO CONTRACTORS

When will the cross sections be available and where?

  • Cross sections are available as of 10/01/03 and can be downloaded for printing from the link above at any local printing firm or on your own printing equipment:
      MESA BLUEPRINT
       5560 Ruffin Road Suite 5
       San Diego, CA 92123
       (858) 541-1500    FAX (858) 278-0558
       e-mail to  plot@mesablueprint.com San Diego, CA 92123
 2
Q:10/15/03
    R:10/31/03
Plan Sheet / Specification Reference=

1. If a Contractor who owns/controls his own commercial material facility, including aggregates, asphalt-concrete, and aggregate bases, supplies itself on this project in the capacity as a Prime Contractor, is trucking from the commercial facility owned/controlled by the Prime Contractor considered covered work?
 

  • - Yes, if handling and hauling of the materials is being performed by either the Prime Contractor's or any tier subcontractor's employees who perform work at the public works project site (site of work). Delivery by employees of a commercial supplier is not covered unless the employees perform work at the public works project site (site of work). If a contractor owns both, but does not separate the operations and segregate the employees of the respective supplying and contracting operations, the work would be covered. 


2. If a Contractor who owns/controls his own commercial material facility, including aggregates, asphalt-concrete, and aggregate bases, supplies itself on this project in the capacity as a Subcontractor, is trucking from the commercial facility owned/controlled by the Subcontractor considered covered work?

  •  - Yes, if material from a commercial site is handled or hauled by the prime's or the subcontractor's employees then the work is covered from the point when the contractor's/subcontractor's workers perform the work.  This includes when the subcontractor's material site is dedicated exclusively or nearly exclusively for the project, in which case all the work done at the materials site and the trucking would be covered work. Under Labor Code Section 1772 "Workers employed by contractors or subcontractors in the execution of any contract for public work are deemed to be employed upon public work" and subject to the payment of prevailing wages. 


3. If a material supplier who owns/controls his own commercial material facility, including aggregates, asphalt-concrete and aggregate bases supplies an independent Prime Contractor or Subcontractor on this project, is trucking from the commercial facility owned/controlled by the material supplier considered covered work?
 

  • - No.   Delivery from a prior established commercial materials supplier with a history of making sales to the general public is exempt from prevailing wage requirements. If the materials site is considered part of the site of work, is adjacent or virtually adjacent to the project site, is dedicated exclusively or nearly exclusively to the site, was established after bid opening, did not sell or made only nominal sales to others, or if the material delivered was directly incorporated into the project then the work is covered.


4. If the Prime Contractor or Subcontractor on this project utilizes owner operator truck drivers to transport material from an offsite location (either owned/controlled or not owned/controlled by the Prime Contractor or Subcontractor) to the project site, will the rate for trucking provided by the owner operator be subject to dispute at a later date by Caltrans.  If the answer is yes, what is the basis that Caltrans would determine the rate it believes to be applicable for owner operator trucking?
 

  • Caltrans (the Department) generally does not dispute prevailing wage rates established by the Department of Industrial Relations or the Department of Labor. The Department enforces the higher of those two rates if the rate is applicable. The Department of Labor's enforcement position on bona fide owner-operators (trucking) is that they are "independent contractors" not subject to the payment of prevailing wages. The Department of Industrial Relations has not issued a coverage determination expressly addressing owner-operator status. The issue is currently under review in our Department.
 3
Q:10/21/03
    R:10/31/03
Plan Sheet / Specification Reference=ITEM 31, IMPORTED BORROW, SPECIAL
PROVISION SECTION 10-1.31, STANDARD SPECIFICATION SECTION 19-6.01.

Section 10-1.31 of the Special Provisions call for R-value 5 or
better material to be placed within 1.5m of finished grade.  Section 19-6.01
of the Standard Specifications require a sand equivalent of 10 for material
placed within 0.8m of finished grade.  Which of these specifications will
take precedence when determining the quality requirements of imported borrow
to be placed on this job. 
 

  • Both sections are applicable, one section does not take precedence over the other.  The material within 1.5 meters of the finished grade will be required to have a R value of 5 or greater.  Additionally, when selection is possible the material placed within 0.8 meter of the finished grade of the facility shall have a R value equal to 5 or greater and a SE of 10 or greater.
  4
Q:10/23/03
 R:11/04/03
Plan Sheet / Specification Reference=

1.Placement of new detail 27B (MOD) in relation to ETW" There was some confusion as to correct placement on the last project. STD. Plans do not reflect this new detail. (See SP A20B)

2.Placement of details 25&27B (MOD) may also affect placement of "Ground In" rumble strips (See RNSP A 40B)
The question being two100mm stries side by side in relation to "ETW", A drawing would be most helpful 
 

  •  The black stripe should straddle the concrete joint as was done in Rte 111 (Stage 2).  The 27B (White Stripe) should be placed as per CT Std. Plans which is 50mm to the left of the  ETW (conc. joint) and the black stripe should be adjacent to this on the right side.  This will not conflict with the rumble strips in any way.
 5
Q:10/23/03
    R:10/31/03
Plan Sheet / Specification Reference=ITEM 13, Temporary stripe (Tape)

Please clarify bid item #13 Temporary Stripe (Tape) in the summary plan sht. # SC-11 Either tape marker count for Detail 6 is wrong or the tape measurement is wrong (Deductions for gaps in broken stripes are made in this application) But it apears that his was not taken in to account in tae summary or the bid item. 
 

  • The plan quantity is in error and the item will be measured and paid for in accordance with Section 10-1.21 of the Contract Special Provisions.
6
Q:10/31/03
R:11/03/03
Plan Sheet / Specification Reference=Plan Sheets 50, 62 

THERE IS AN EXISTING UTILITY AT APPROXIMATE 'G' LINE STATION 342+00. THIS EXISTING UTILITY IS TWO UNLINED CANALS RUNNING PERPENDICULAR TO THE 'G' LINE. THIS UTILITY IS NOT SHOWN ON THE PLANS OR SPECIAL PROVISIONS SECTION 10-1.12. WHEN WILL THIS UTILITY BE REMOVED?
 

  • THIS IS CONTRACTUAL WORK (DRAINAGE SYSTEMS 2 & 3), AS DETAILED ON SHEETS 50, 62 & 63 OF THE CONTRACT PLANS. THE PROPOSED DRAINAGE SYSTEMS UPON COMPLETION SHALL CONNECT TO THE THEN COMPLETED BY OTHERS DRAINAGE STRUCTURES.
 7
Q:10/31/03
   R:11/04/03
Plan Sheet / Specification Reference=ITEM 31, IMPORTED BORROW, SPECIAL
PROVISION SECTION 10-1.31, STANDARD SPECIFICATION SECTIONS 19-6.01 AND 19-1.01.

AS A FOLLOW UP QUESTION TO THE ANSWER TO QUESTION #3 AND REFERING TO THE ABOVE REFERENCE SECTION 19-6.01 OF THE STANDARDS, AND AS THE BULK OF THE EMBANKMENT ON THE PROJECT WILL BECONSTRUCTED FROM IMPORTED BORROW, AND AS ALL IMPORTED BORROW COULD BE CONSIDERED AS POSSIBLE TO BE SELECTED, IS IT A CONTRACT REQUIREMENT THAT ALL IMPORTED BORROW BE MATERIAL HAVING A SAND EQUIVALENT OF 10 OR MORE?

COPNTRACTOR INTERPRETATION = OUR INTERPRETATION, FROM THE ANSWER THAT YOU PROVIDED TO THE EARLIER QUESTION #3, IS THAT ALL IMPORTED BORROW MUST HAVE A SAND EQUIVALENT OF 10 OR MORE.
 

  • No, only material placed within 0.8 meters of the finished grade shall have a SE equal to 10 or better for Imported Borrow.
 8
Q:10/31/03
    R:11/03/03
Plan Sheet / Specification Reference=Plan Sheets 2, 39 &127 MAKE REFERENCE TO FOUNDATION TREATMENT, SPECIAL PROVISION SECTION 10-1.31 MAKES NO MENTION THEREOF.

HOW IS THE "FOUNDATION TREATMENT",THAT IS CALLED OUT ON PLAN SHEET 2 AND DETAILED ON PLAN SHEET 39, MEASURED AND PAID?

COPNTRACTOR INTERPRETATION = FROM THE HINTS IN THE PLANS, WE ASSUME THAT THE EXCAVATION NECESSARY TO MAKE ROOM FOR THE REQUIRED THICKNES OF THE FOUNDATION TREATMENT WILL BE MEASUREDAND AS ITEM 29, ROADWAY EXCAVATIONAND THE FURNISHING AND PLACING OF THE REQUIRED CLASS 4 AGGREGATE SUBBASE WILL BE MEASURED AND PAY FOR AS ITEM 34, CLASS 4 AGGREGATE SUBBASE. BUT THAT IS ONLY AN ASSUMPTION, WE CAN NOT FIND FIRM BACKING FOR THAT INTERPRETATIONIN THE CONTRACT DOCUMENTS.

    THAT IS CORRECT. SECTION 10-1.31 OF THE SPECIAL PROVISIONS REFERS TO SECTION 19 OF THE STANDARD SPECIFICATIONS. SECTIONS 19-2.08 AND 19-2.09 SPECIFY MEASUREMENT AND PAYMENT FOR ROADWAY EXCAVATION. FOUDATION TREATMENT WILL BE MEASURED AND PAID FOR IN ACCORDANCE WITH SECTIONS 19-2.08 AND 19-2.09 OF THE STANDARD SPECIFICATIONS. THE CLASS 4 AGGREGATE SUBBASE COMPONENT OF THE FOUNDATION TREATMENT WILL BE MEASURED IN ACCORDANCEWITH SECTION 10-1.33 OF THE SPECIAL PROVISIONS AND SECTION 25, AGGREGATE SUBBASE OF THE STANDARD SPECIFICATIONS. 
9
Q:10/31/03
     R:11/03/03
Plan Sheet / Specification Reference=ITEM NO. 29 ROADWAY EXCAVATION ITEM NO. 31 IMPORTED BORROW

BASED ON THE CALTRANS RESPONSE TO BIDDER'S INQUIRY NO.3, PLEASE CLARIFY THE FOLLOWING:
THE TERM "WHENEVER SELECTION IS POSSIBLE" IS FOUND IN SECTION 19-6.01 "PLACING" , OF THE STANDARD SPECIFICATIONS. PLEASE DEFINE THE TERM "WHENEVER SELECTION IS POSSIBLE"  AS IT RELATES TO SECTION19-6.01 "PLACING" FOR EMBANKMENT CONSTRUCTION.
 

  • SELECTION IS POSSIBLE DURING THE IMPORTED BORROW OPERATIONS, AS THE CONTRACTOR HAS THE ABILITY TO SELECT MATERIAL THAT MEET THE CONTRACTUAL REQUIREMENTS. SELECTION WOULD NOT BE POSSIBLE DURING EMBANKMENT CONSTRUCTION FROM LOCAL BORROW, AS PER SECTION 19-7.01 OF THE STANDARD SPECIFICATIONS. SELECTION MAY OR MAY NOT BE POSSIBLE DURING EMBANKMENT CONSTRUCTIONUTILIZING MATERIAL GENERATED FROM ROADWAY EXCAVATION OPERATIONS. STAGING AND OTHER CONTRACTUAL REQUIREMENTS MAY DETERMINE WEATHER  OR NOT SELECTION IS POSSIBLE.
10
Q:10/31/03
     R:11/04/03
 Plan Sheet / Specification Reference= PLAN SHEET X-2.

 The typical sections clearly indicate a ditch along each side of the roadway with a 3 meter
bottom width. The Standard Specs, section 19-4.01, states "The excavation required to
construct a ditch or channel designated with bottom width of less than 4
meters will be classed as ditch excavation.
Question=As there is no item for ditch excavation, how is this work to be
measured and paid?
 

  • This work will be paid for in accordance with section 10-1.30 Earthwork of the Special Provisions, as this ditch is being constructed as a part of the roadway template and is not being constructed as a seperate item of work.
11
Q:10/31/03
    R:11/04/03
Plan Sheet / Specification Reference= Plan Sht 56, Spec 10-1.12

According to specification section 10-1.12, Rockwood Canal relocation will require 160 working days to complete.  It appears that additional staging will be required to complete the PCCP paving at this location which may affect the completion date.  Please provide clarification and additional stage drawings if needed.

  • There will be no additional staging plans provided to do this work. The work windows are in the Special Provisions so the contractor will have to work around the utility work. This may require the contractor to leave out an area until the utility work is completed, then complete the paving.
12
Q:10/31/03
    R:11/04/03
Plan Sheet / Specification Reference= Plan Sht 50, 10-1.12

As a follow up question to #6, Presently, one of the two unlined canals is filled with water.  The other has some water in it.  When will the service to the canals be shut off? It is not listed on in specification section 10-1.12 Obstructions.
 

  • The temporary earth channels will be realigned dunning construction by a private party in order for the contract work on drainage unit 2 and 3 to be completed.  Once the contract work is completed on drainage unit 2 and 3, the private party will construct the junction structure indicated on the plans.
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