California Department of Transportation

Contract 06-415904

The responses to bidder's inquiries, unless incorporated into a formal addendem 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 availability or use of information provided in the responses to bidder's 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.

Q1) Please reference Sheet 103 of 268 (Drainage Plan D-5). No matchline is given at the right side of the sheet (near approximately Sta 253+00). Now reference Sheet 104 of 268 (Drainage Plan D-6). At the left side of the sheet (near approximately Sta 265+00) no matchline is given. Between the end station of Sheet 103 (D-5) and the start station of Sheet 104 (D-6) there is a gap in stationing from approximately Sta 253+00 to Sta 265+00. It appears that a sheet is missing. Please provide this sheet.

A1) No sheets are missing. Please bid per current contract documents. 14Mar11.

Q2) Can the State provide AutoCad files to allow bidders the opportunity to compile more comprehensive and accurate estimates?

A2)No Autocad files are available. All electronic documents are available for download at: 14Mar11.

Q3) Please confirm if this project has a UDBE REQUIREMENT of 9% or if it can be a "Good Faith Effort"?

A3) Meet the UDBE goal shown in the Notice to Bidders or demonstrate that you made adequate good faith efforts to meet this goal. 18Mar11.

Q4) Are electronic cross-section files available to assist in calculating quantities? Are electronic CAD files available prior to the bid opening date?

A4) All electronic documents are available for download at: 14Mar11.

Q5) Minor concrete quantities on Q-2 (type BI-6) CY quantities are not matching up with LF of Curb?

A5) Minor concrete quantities may consist of concrete curbs and island paving, along with sidewalks, gutter depressions, curb ramps and driveways. Minor concrete (miscellaneous construction) shall conform to the provisions in Section 73, "Concrete Curbs and Sidewalks," of the Standard Specifications and the project special provisions. 24Mar11.

Q6) The electronic x-sections that are available online are not to scale, they need to be blown up about 3.45%. Can these be re-issued to scale?

A6) Please use the horizontal and vertical grids given on the cross sections for exact measurements. The cross sections can not be reissued at this time. The cross sections can be measured precisely utilizing the grids given on the x-sections. 24Mar11.

Q7) Two specifications are listed for Fiber Rolls: Item No. 6 Item Code 074028 TEMP FIBER ROLLS specifies photodegradable netting. Item No.51 Item Code 203021 FIBER ROLLS specifies biodegradable. please clarify which is correct?

A7) Both specifications are correct. Photodegradable netting for Temporary Fiber Rolls and Biodegradable netting for permanent Fiber Rolls. 28Mar11.

Q8)The blanket shall have a biodegradable jute, sisal, or coir fiber netting on at least one side. What about the other sides?

A8) Contract documents are specifying at least one side shall be biodegradable. No further clarification needed. 28Mar11.

Q9)Drainage system 33, #b lists the 24" pipe as csp, on sheet 150 (dq-7) pipe quantity for system 33 lists the pipe as rcp. please clarify material type.

A9) There appears to be a typographical error in the drainage profile for Drainage System No. 33, DP-18. Element 33b should be shown as RCP, as listed in the table on the Drainage Quanitites, DQ-7, not as CSP. 29Mar11.

Q10) The special provisions allow 150 working days to complete the work. We feel this is not enough time. Will CDOT consider increasing the amount of working days to complete the work?

A10)The Department will not increase the amount of working days. The required working days should be taken into account in the contractor's bid. 30Mar11.

Q11) Is the planed AC material stockpiled at PM 11 the property of the state or the contractor?

A11)Haul and stockpile planed materials PM 11 inside State Right of Way for use by the State. 30Mar11.

Q12) Per the Pavement Delineation Quaantities on sheet 197,198,199 of 268 of the project plans, Detail No. 27B is included under the 8" Thermoplastic Traffic Stripe. This quantity is also included under Item No. 120 of the Bid Item List. However, Detail No. 27B is a 4" solid white stripe for the edge of traveled way which should be included under item no. 119 4" thermoplastic traffic stripe. Will there be an addendum changing this?

A12)The quantities is shown in the THQ-1 (Traffic Handling Quantities) 5Apr11.

Q13) Regarding Item No. 28 and Item No. 29, These two items are not shown in the Pavement Delineation Quatities on sheets 197-199 nor is it shown in the Layout sheets. Can you specify what type of stripe is being removed and where, just to better understand the Traffic Control situation in that area.

A13)No further information is available at this time. Please bid per the contract documents. 5Apr11.

Q14) Will Caltrans provide construction staking or is it the responsibility of the contractor?

A14)The Department will provide construction staking per Special Provision Section 5-1.07 LINES AND GRADES-The Engineer places stakes and marks under Chapter 12, "Construction Surveys," of the Department's Surveys Manual. 1Apr11.

Q15)Based on the specification section 'COLD PLANE ASPHALT CONCRETE PAVEMENT - PAGE 113' we are to place HMA over cold planed areas in the same shift. However this project requires a Cold In-Place Recycling operation after cold planning takes place. Is it the states intent to have HMA placed after cold planning and then ground up as part of the cold in-place recycle operation?

A15) The intent is to have smooth surface for traveling public. Cold In-Place Recycling layer should follow the cold planning, if contractor cannot place the Cold In-Place Recycling layer in same shift then Hot Mix Asphalt layer should be placed at contractor's expense. 4Apr11.

Q16)If this is the intent, how would the HMA get paid? As it is not included on the Q-Sheets and/or not included in the cold plane item.

A16) See response for A15. 4Apr11.

Q17)Would Caltrans accept subgrade compaction results from an outside lab subject to confirmation from the state lab?

A17) No. 4Apr11.

Q18)Does Caltrans have a designated disposal site for the excess soil material?

A18) No. 4Apr11.