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Viewing inquiries for 04-4K1104

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Inquiry #1: This project is currently scheduled to bid on 12/20/18, the week before the holiday break. We are hearing that many DBE & Non-DBE subs & suppliers will not be working the week of the 17th or the 24th. We intend to close our offices between 12/21/18 and 1/1/19. We are certain that we can provide Caltrans with a more competitive bid, including more comprehensive DBE participation, if the bid date is extended to the week of 1/7/19.
Inquiry submitted 11/06/2018

Response #1:Submitted for consideration.
Response posted 11/06/2018



Inquiry #2: Reference X-2 (sheet 3) typical section Fulton St to Lake St. The new section detail #7 is not consistent with the layout sheets, should the new section detail be #6 and not #7?

Reference L-1 (sheet 5) the legend descriptions don't line up with the legend graphics. Should the HMA (Leveling), 0.25'-0.35' Cold Plane Asphalt Concrete Pavement be moved to the upper legend?


Inquiry submitted 11/20/2018

Response #1:Submitted fro consideration.
Response posted 11/26/2018



Inquiry #3: On sheets TH-1 thru TH-4 there are 42" channelizers shown. How are the channelizers paid for? Is the intent of the Staging plans that traffic is moved into the "Work Area" for the duration of that work or nightly per Traffic Charts K1 and K4? If the traffic is being moved for the duration of the work how is the temporary traffic stripe that will be needed paid for?
Inquiry submitted 11/21/2018

Response #1:Submitted for consideration.
Response posted 11/26/2018



Inquiry #4: Reference Sheet X-1, there is no specified leveling depth for pavement Sections 6 & 7?


Inquiry submitted 11/26/2018

Response #1:Submitted for consideration.
Response posted 11/27/2018



Inquiry #5: Reference Sheet Q-2 and Item 21 - HMA (Leveling). Sheet Q-2 indicates 9511 Tons of HMA Leveling and the bid schedule Item 21 - HMA (Leveling) 4800 Tons? Please clarify.

Inquiry submitted 11/26/2018

Response #1:Submitted for consideration.
Response posted 11/27/2018



Inquiry #6: Please refer to plan sheet L-3. The outline of the work zone appears incomplete. Between Sta 23+50 thru 28+50 the median island work limit and the Muni Track work limit is not clearly defined by the Legend cross-hatching.
Inquiry submitted 12/06/2018

Response #1:Submitted for consideration.
Response posted 12/06/2018



Inquiry #7: Please refer to plan sheets L-1 thru L-4. The legend on plan sheet L-1 for this area describes the new road section as 0.15' Rubber-AC/Paving Mat/0.1' AC. It does not mention AC milling or leveling course. New road section #5 on plan sheet X-1 does mention this. Which is correct?

The quantities on plan sheet Q-2 imply that there will be an average of a 0.1' AC leveling course required for all the road sections on this project. Is this a guess? How will the length. width and depth of the leveling course areas be determined in the field? Are we allowed to mill the asphalt and leave a 0.25' drop-off at the end of shift?
Inquiry submitted 12/06/2018

Response #1:Submitted for consideration.
Response posted 12/06/2018



Inquiry #8: Please refer to plan sheets L-13, L-14 and L-15. The three road sections appear to require PCC grinding, yet the legend used from plan sheet L-1 indicates that these are AC mill and paveback sections. Which is correct?
Inquiry submitted 12/06/2018

Response #1:Submitted for consideration.
Response posted 12/06/2018


Response #2:The middle legend on sheet L-1 - should specify Grind Existing Concrete Pavement. All references to asphalt concrete pavement should only be part of the upper legend.
Response posted 12/17/2018



Inquiry #9: There appears to be a conflict between plan sheets TH-1 thru TH-4 "Traffic Handling Plans" and specification page 16 Chart #K1. Chart #K1 allows the contractor to limit thru traffic to one lane (12' width) from 11 PM to 6 AM. Plan sheets TH-1 thru TH-4 require the contractor to leave a 22' width lane for traffic. Why is there a 10' difference between the specifications and the plans?
Inquiry submitted 12/27/2018

Response #1:Submitted for consideration.
Response posted 01/03/2019


Response #2:The "traffic area" may vary from 12' to 22' in conformance with the lane requirement chart K-1 , the 22 foot traffic area is for when 2 lanes are required, 12 foot when only 1 lane is required.
Response posted 01/07/2019



Inquiry #10: Plan sheets TH-5 and TH-6 show k-rail layouts at West Pacific Ave. and Kobbe Ave., but there does not appear to be plans for the k-rail at Brotherhood Way. Would you please provide a detail for the layout at Brotherhood Way?
Inquiry submitted 12/28/2018

Response #1:Submitted for consideration.
Response posted 01/03/2019


Response #2:No k-rail necessary at Brotherhood Way as there is a sidewalk between the bridgerail/guardrail and the roadbed.
Response posted 01/07/2019



Inquiry #11: Will we need to protect the existing inlets on this project during construction? How many inlets are within the footprint of this project? I feel there should be a pay item for this work.
Inquiry submitted 12/28/2018

Response #1:Submitted for consideration.
Response posted 01/03/2019


Response #2:Temporary DI protection is covered under Job Site Management item. No separate payment for the item is required.
Response posted 01/08/2019



Inquiry #12: Bid Item #31 "Drill & Bond" 290 Each. Could I please get a breakdown of the locations for these dowels?
Inquiry submitted 12/28/2018

Response #1:Submitted for consideration.
Response posted 01/03/2019


Response #2:Item #31, Drill and bond - This item is for the Concrete Barrier Transitions, locations for these are shown sheets 183 and 184.
Response posted 01/07/2019



Inquiry #13: Sheet X-2 "TYPICAL CROSS SECTION" show Section 7 (Grind Ex. Concrete Pavement) on Route 1 (Park Presidio Blvd) from Fulton St to Lake St.. But layout drawings Sheets L-8 Through L-12, if we follow the markings per legend, it show either a section 5 or 6. Please clarify what section Caltrans intend to use for this area?


Inquiry submitted 01/03/2019

Response #1:Submitted for consideration.
Response posted 01/04/2019



Inquiry #14: Plan sheets U-1 thru U-13 appears to show about 31 storm drain manholes and maybe 15 to 20 gas and water valves in the existing road sections. These utility castings will need to be pre-lowered prior to AC milling and then adjusted to final asphalt grade. There currently are no bid items to pay for this work. Would you please add items for this work?
Inquiry submitted 01/03/2019

Response #1:Submitted for consideration.
Response posted 01/04/2019


Response #2:Per the Revised Standard Specifications(see below), cold planning existing pavement and placement of HMA are to be done in the same work shift, thereby rendering it impractical to lower and raise the utility manholes/handholes.


2015 Revised Standard Specifications read:
Add to the end of section 39-3.04A:
Schedule cold planing activities such that the pavement is cold planed, the HMA is placed, and the area is opened to traffic during the same work shift.


In addition, for existing drainage facilities, section 71-5.04 says that if no bid item is included for adjustment of these facilities, payment is included in the pavement items.

Refer to section 9-1.03 of the Standard Specifications
Response posted 01/08/2019



Inquiry #15: 1. Please explain why tack coat quantity over cold planed HMA are 4 times more than tack coat over new HMA?
2. On Sheet Q-2, is Tack Coat over NEW HMA, same as tack coat over the leveling course before putting down the 2nd lift of HMA?
3. On sheet Q-2 , is tack coat over HMA same as the oil for GPI (Paving Mat)?

Inquiry submitted 01/03/2019

Response #1:Submitted for consideration.
Response posted 01/04/2019



Inquiry #16: As a follow-up to the Caltrans response to bidder inquiry #10 regarding k-rail:
1) Please provide an addendum to reflect the actual k-rail quantity for the project (Bid Item #7). The current bid quantity is 600 LF. Per the response to inquiry #10 the new quantity should be 360 LF.
2) In that same addendum please correct the quantity for bid item #8 - crash cushions. The current bid quantity is 5 each, but per the response to inquiry #10 the new quantity is 3 each.
3) Please reflect these changes in the quantity summary on plan sheet Q-2.

Inquiry submitted 01/07/2019

Response #1:Submitted for consideration.
Response posted 01/08/2019



Inquiry #17: Can Caltrans please provide PPF files so that a proper smoothness analysis can be done prior to bidding?
Inquiry submitted 01/07/2019

Response #1:Submitted for consideration.
Response posted 01/08/2019


Response #2:The PPF files are not available.

Per the Caltrans' 2016 Pavement Condition Survey, the existing IRI scores are as follows:

1. PM 0.0/0.9: Range 143-264, lane-weighted average 209
2. PM 4.0/6.9: Range 157-423, lane-weighted average 262

Response posted 01/17/2019



Inquiry #18: Why is Caltrans now bidding this project on a Friday (2/15/19) instead of the traditional bid days of Tuesday, Wednesday, or Thursday. Can Caltrans consider bidding the job on the traditional bid days?
Inquiry submitted 01/25/2019

Response #1: Bid opening was scheduled for Friday, February 15, 2019, because this is the last day the current e-Bid system will operate.

Beginning on Tuesday, February 19th, 2019, a new, non-compatible electronic bidding system is scheduled to be in operation.
Response posted 01/30/2019



Inquiry #19: TRAFFIC CONTROL CHARTS:
Addendum added a Traffic Control (TC) for NB from Crossover Drive to Fulton Street. Please Provide a TC Chart for the same location in the SB direction.
Inquiry submitted 01/28/2019

Response #1:Submitted for consideration.
Response posted 01/29/2019



Inquiry #20: Addendum # 3 Added Item 76 Metal Roadside Signs 130 lbs, but there is no details for the metal posts.
Will the posts be unistrut, 2" pipe, barrier mounts, soundwall mounts, or rail mounts?
Inquiry submitted 01/30/2019

Response #1:Submitted for consideration.
Response posted 01/30/2019



Inquiry #21: Please issue an addendum changing this bid date from Friday 2-15-19 to Thursday 2-14-19. Thursday is a more viable choice for Prime Bidders. Happy Valentine's Day!
Inquiry submitted 02/05/2019

Response #1:Submitted for consideration.
Response posted 02/05/2019

The information provided in the responses to bidder inquiries is not a waiver of Section 2-1.07, "JOB SITE AND DOCUMENT EXAMINATION" of the Standard Specifications or any other provision of the contract, nor to excuse the contractor from full compliance with the contract. Bidders are cautioned that subsequent responses or contract addenda may change a previous response.