| 96 | 1 | CAD Files | 03/20/2024 12:13 PM | Granite Construction Company | Response Published |
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| Question: Can you please provide all line work, existing and design, in digital format (.XML, .DGN, .DWG)? If possible, please provide the files elevated in 3D coordinates, all AEC objects exploded/removed, saved in .DWG 2018 or earlier, and bind all external references. |
| Answer: CAD files have been uploaded to E-Bidding Portal. Please contact NDOT Contract Services at 775-888-7070, option 2, or via email at ndotcontractservices@dot.nv.gov for additional information. |
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| 97 | 2 | Bid Opening Date | 03/23/2024 10:10 AM | Granite Construction Company | Response Published |
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| Question: Due to the short time to estimate and the high complexity of the project, Granite respectfully asks that NDOT push the bid opening date at least two weeks. |
| Answer: Bid Opening date will be adjusted in an upcoming supplemental |
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| 98 | 3 | Sheet 6 Note 4 Median Offset Barrier Rail | 03/26/2024 03:28 PM | Q & D Construction LLC | Response Published |
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| Question: Between station 595+63 and station 600+55 it is referencing to construct the offset rail per SD1-SD3. This appears to be incorrect as the separation of this area is about 8 feet. Which details are we to use? |
| Answer: Special Details will be updated to reflect separation scenario in an upcoming supplemental. |
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| 99 | 4 | Cross Sections and Westbound Left shoulder | 03/26/2024 03:44 PM | Q & D Construction LLC | Response Published |
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| Question: It appears no applicable cross sections have been provided for the median from station PE 575+13 to ~PE600+00. Can these please be provided. In addition to this it appears that on the Westbound direction Left shoulder that you are removing 3 feet of shoulder from 576+60 to 600+00 and putting 3 feet back. Is this correct? |
| Answer: Typicals will be updated in an upcoming supplemental. Please refer to the Summary and Estimate Sheets for Westbound improvements. |
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| 100 | 5 | Hydraulic Bid Items | 03/28/2024 03:42 PM | NDOT | Response Published |
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| Question: Where can I find more information about NDOT's revamp of Hydraulics Bid Items? |
| Answer: See the appropriate Sections in the Special Provisions. For more general information see the attached "Notice to Industry". |
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| 101 | 6 | Maintenance Safety Fence at Keystone Interchange | 03/29/2024 05:44 AM | Q & D Construction LLC | Response Published |
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| Question: With all the added landscaping in the elevated areas of the Keystone interchange, NDOT historically has installed a safety type rail/fence for maintenance to be completed safely in these areas, without requiring temporary safety measures. Will NDOT be adding something like this or will the contractor have to include this for the initial landscaping install and two year period for the maintenance and than when NDOT takes over this, they will make sure that their maintenance personnel will follow all OSHA guidelines of working in elevated situations while maintaining the new irrigation and landscaping system. |
| Answer: Fence will be added in an upcoming supplemental |
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| 102 | 7 | Wing Wall Dimension | 04/01/2024 02:49 PM | Q & D Construction LLC | Response Published |
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| Question: On the Abutment Reinforcing plans it appears the wing walls are 6 feet tall. On the Wing wall Reinforcing plans it appears the wing walls are 5 feet tall. Can you please confirm which height they are supposed to be. |
| Answer: Please note the construction joint located at top of girder and abutment diaphragm, 1’-0” below top of deck/approach slab (see wingwall and abutment details). 5’-0” vertical wingwall dimension is measured from the construction joint to bottom of wingwall |
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| 103 | 8 | Integral Color | 04/02/2024 11:10 AM | Q & D Construction LLC | Response Published |
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| Question: Section 502.02.02 Calls for integral color for all new barrier rail. It also calls for a Clear Matte Sealer to be applied. Is there a specific product or a list of products that will be accepted for this process, as nothing appears to be listed on the QPL. |
| Answer: Language to section 502 in the special provisions will be updated in an upcoming supplemental |
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| 104 | 9 | Bid Item Clarification | 04/03/2024 07:25 AM | Summit Line Construction, Inc | Response Published |
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| Question: Bid item #130 - 623 0626 Calls for Type 30 Modified, the details and schedule suggest 20' & 30' steel posts. Will you please clarify what NDOT is asking for. |
| Answer: Bid items and construction notes will be modified in an upcoming supplemental to match the schedule |
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| 105 | 10 | Stationing Error on 3 Sheet | 04/03/2024 01:19 PM | Q & D Construction LLC | Response Published |
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| Question: On Sheet No. 3, the PE line appears to have an error on row 11 in the stationing of the PE alignment. Can you please fix this or provide the additional project/plan sheets that will match this stationing. |
| Answer: Summary and Estimate sheets will be updated in an upcoming supplemental |
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| 106 | 11 | Bid Items 4970100 & 4970110 Quantities | 04/03/2024 05:01 PM | Granite Construction Company | Response Published |
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| Question: The quantities provided in the structures list for the multilayer overlay do not add up to the bid quantity. Please verify. |
| Answer: Quantities will be updated in an upcoming supplemental |
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| 107 | 12 | Aesthetic Patterning on Precast panels | 04/04/2024 02:26 PM | Q & D Construction LLC | Response Published |
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| Question: Does the precast panel system have a form liner on both sides? If it does, it appears that the aesthetic patterning has only been quantified for half of the panel. Is this correct? |
| Answer: Architectural treatments are specified in the notes for each soundwall. Areas not facing traffic are specified to get "Colorado Drag", which per the Specials, is incidental (ref. 212.02.10 Aesthetic Patterning) |
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| 108 | 13 | Bid Item 623 0921 | 04/05/2024 12:22 PM | Sierra Transportation Technologies | Response Published |
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| Question: Bid item 623 0921, Radar Detection System, Plans show forward looking radars to be used for the WWD system for detection, the specifications call for a Side fire radar typically used for mainline detection, Structure list is calling bid item 623 9210 thermal detection system, please clarify. Reference Special Provisions 623.0232, Plans sheet ITS04 and ITS05 note 13 as well as ITS16 note 1. Note Block diagrams on ITS21 and ITS22 show Thermal cameras not forward facing radar, |
| Answer: Bid item 623 0921 shall be removed. Bid item 623 3035 “CCTV CAMERA (DETECTABLE)” is the correct bid item. Plans will be updated in an upcoming supplemental |
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| 109 | 14 | Bid Item 623 1264 CCTV Camera (Fixed) | 04/05/2024 12:23 PM | Sierra Transportation Technologies | Response Published |
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| Question: Bid item 623 1264, CCTV Camera (Fixed) Plans show very specific CCTV Cameras for the WWD system that use illuminators, Specifications call for typical CCTV cameras (Fixed) that are used by NDOT’s Central System, typically for monitoring DMS signs. Please clarify if the CCTV cameras are stand alone. If part of the WWD system please clarify requirements. |
| Answer: CCTV Camera (Fixed) is part of the wrong-way driver warning system. Supplemental Special Provisions shall be provided. |
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| 110 | 15 | Traffic Signal heads and Pedestrian signal heads | 04/05/2024 12:27 PM | Sierra Transportation Technologies | Response Published |
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| Question: There appears to be no bid items for the traffic signal heads and Pedestrian signal heads called for on page T04 and T07. Please clarify bid items to be used |
| Answer: Additional bid items required. Bid items 623 2530 “SIGNAL HEAD 1W3C, MAST ARM (six), 623 2430 “SIGNAL HEAD 1W3C, BRACKET” (one), 623 2475 “SIGNAL HEAD 2W3C, BRACKET” (one), and 623 0735 “PEDESTRIAN SIGNAL HEAD 1W” (two) shall be added. Supplemental Plans shall be provided |
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