Montana Department of Transportation

Malcolm “Mack” Long, Director

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Bid Letting Dates:

August 12, 2021

I-90 Yellowstone R - Billings is advertised for the August 12, 2021 letting. Bid Files are now available: BID FILES
____________________________
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201 - I-90 YELLOWSTONE R-BILLINGS - August 12, 2021

Notifications

-1-
Submitted: Friday 18-JUN-2021 12:30 PM
Bid Files will be available with the August 12, 2021 Bid Letting advertising.

-2-
Submitted: 24-JUN-2021  02:39PM
Bid files are now available:
BID FILES


Addendums

No Addendums available for this project.


Clarifications

-1-
Submitted: Monday 12-JUL-2021 12:25 PM
The attached Special Provision RIPRAP is hereby part of this contract.  RIPRAP SPECIAL
Revised Clarification
Submitted: Wednesday  14-JUL-2021  10:31AM
The following Special Provision is hereby part of this contract:
RIPRAP SPECIAL

-2-
Submitted: Tuesday  13-JUL-2021  09:27AM
Special Provision # 17 ESCROW OF BID DOCUMENTS is hereby replaced with the attached special provision ESCROW OF BID DOCUMENTS.  ESCROW OF BID DOCUMENTS SPECIAL PROVISION

-3-
Submitted: Wednesday 21-JUL-2021 01:00PM
An optional group site visit will be held July 28th, contractors who choose to participate can meet at the MDT construction office 424 Morey St. Billings, MT at 1pm, then depart to the site. No project questions or clarifications will be taken or answered during the site visit. All questions must be submitted via MDT’s Q&A forum. This is not a mandatory meeting and access is allowed to this site outside of this meeting.

-4-
Submitted: Thursday 22-JUL-2021 02:07 PM
Spec Book V2.2 effective July 15, 2021 is the standard specification version for this contract.

-5-
Submitted: Thursday 22-JUL-2021 02:55 PM
The following special provision hereby replaces special provision #69 Concrete-Class Structure Low Slump in the contract.
CONCRETE-CLASS STRUCTURE LOW SLUMP

-6-
Submitted: Friday 23-Jul-2021 03:30 PM
Special Provision #18 is hereby deleted from the contract.  MDT will not be slope staking this project, bid items Unclassified Excavation, Embankment in Place and Unclassified Borrow will be paid as plan quantities per standard specification 105.08.2.I.

-7-
Submitted:  27-JUL-2021 07:49AM
The following special provision hereby replaces special provision #48 Infiltration Basin Topsoil. INFILTRATION BASIN TOPSOIL    

-8-
Submitted: Tuesday  27-JUL-2021  01:31PM
The following special provision hereby replaces special provision #49 Subexcavation and Replacment. SUBEXCAVATION AND REPLACEMENT


Questions

-1-
Submitted: Monday    21-JUN-2021 02:02 PM  
Company: Diamond Drilling and Sawing Co.  
Contact: Eric Blackburn  
Requesting asbuilt drawings of existing structures scheduled for removal
Answer
Submitted: Tuesday  22-JUN-2021  08:19AM
The files linked below represent the as-built drawings for the structures. MDT provides them for informational purposes only. They do not include drawings for modifications to the structures, such as joint replacements and guardrail revisions and may not completely represent current conditions. Thus, some of the information contained in these documents may be out of date or not applicable with regard to the advertised project. The contractor should not rely solely on the as-built drawings provided for bidding purposes nor does any data in these files supersede the data in the contract documents:
AS-BUILTS

-2-
Submitted: Monday    21-JUN-2021 02:15 PM  
Company: Wadsworth Brothers Construction  
Contact: Mark Miller
Can the department provide the existing bridge plans?
Answer
Submitted: Tuesday 22-JUN-2021 09:02 AM
Refer to answer on Question #1.

-3-
Submitted: Monday    21-JUN-2021 02:19 PM  
Company: Wadsworth Brothers Construction  
Contact: Mark Miller  
Can the department add a bid item for the "Temporary Access for Bridge Construction"? There does not appear to be a bid item for the access across the river for bridge demo and new bridge construction.
Answer
Submitted: Thursday  24-JUN-2021 09:39AM
Bid item # 104030011 Misc Items-Lump Sum is hereby added to this contract.  Attached Special Provision "Contractor Access Facilities" is hereby added to the contract.  An Addendum will be issued.
   CONTRACTOR ACCESS FACILITIES

-4-
Submitted: Wednesday 23-JUN-2021 04:04 PM
Company: Wadsworth Brothers Construction
Contact: Mark Miller
In the bid schedule for Item 0440 Precast Concrete Arch the quantity shown is 16,200 SQFT but the bridge summary sheet B2 shows 8,100 SQFT. Please clarify which quantity is correct.
Answer
Submitted: Thursday 24-JUN-2021 12:41PM
The correct quantity is 8,100 SQFT.  An Addendum will be issued.

-5-
Submitted: Wednesday 23-JUN-2021 04:29 PM
Company: Wadsworth Brothers Construction
Contact: Mark Miller
In the preliminary plan set there was Bid Item 0610 Bridge Deck Milling - 12,621 SQYD. This was to grind the deck panels 1/2" to correct the surface grades on the bridge decks. This item no longer appears to be listed in the advertised copy of the bid items. Sheet B46B of the advertised bridge plans has a note that still indicates that there is an item for this work. Please clarify if this item will be added to the bid schedule or if these costs are incidental to another bid item.
Answer
Submitted: Thursday 24-JUN-2021 01:06PM
The bid item was changed to bid item #608010055 Concrete Grinding SQYD.  Special Provision #81 states the bid item.

-6-
Submitted: Wednesday 23-JUN-2021 04:51 PM
Company: Knife River
Contact: Van Hildreth
SP 24 reads “no construction activities between 10pm and 6am”, while SP 38 has multiple indications to use or consider nighttime work. 1. What hours are considering “nighttime”? 2. Will SP 24 be rescinded or modified?
Answer
Submitted: Friday 25-JUN-2021 09:30 AM
1.   Nighttime is defined in Standard Specification Section 101.
2.   Provisions 24 and 38 can work in conjunction.  Permission from the MDT Project Manager is needed for night work and for the noise impact discussed in SP24.  The considerations for night work in SP 38 are locations MDT thinks would be beneficial to the project if a suitable proposal is submitted.

-7-
Submitted: Thursday  24-JUN-2021 03:14 PM  
Company: Teton Prestress Concrete  
Contact: Hal Simmons
The special provisions state "Required air content: 5.5%-8.5%". If we can provide the results of an ASTM C666 Rapid Freeze Thaw test, completed this year, showing a .98 (with no single sample below .95) durability factor on our mix, can we bid the project without air or at least reduce the air content?
Answer
Submitted: Monday  28-JUN-2021  11:45AM
The requirement for air entrainment will not be waived, provide panels as indicated in the Special Provision.

-8-
Submitted: Friday    25-JUN-2021 10:10 AM  
Company: Ralph L. Wadsworth  
Contact: Cannon Garner
Please verify that there is no mandatory pre-bid meeting.
Answer
Submitted: Friday 25-JUN-2021 01:19pm
There is no mandatory pre-bid meeting.

-9-
Submitted: Monday    28-JUN-2021 10:25 AM  
Company: SK Geotechnical  
Contact: Cory Rice
Our firm completed the geotechnical work for the project. Will it be acceptable for us to quote the dynamic load testing and thermal integrity profiler testing
Answer
Submitted: Wednesday 30-JUN-2021 07:46 AM
SK Geotechnical will be allowed to quote the dynamic load testing and thermal integrity profiler testing.

-10-
Submitted: Tuesday   29-JUN-2021 05:24 PM
Company: KLE Construction
Contact: Jason Everett
Can you provide any ROW, easements, laydown or temporary use agreements and/or drawings for review?
Answer
Submitted: Friday 09-JUL-2021 08:35 AM
Right-of-way limits and temporary construction permits are shown on the project plans.  No laydown yard or temporary access agreements have been made by MDT.  Right of Way Agreements will not be made available at this time.  Please clarify what if any additional information is needed for the purpose of bidding.

-11-
Submitted: Tuesday   29-JUN-2021 05:33 PM
Company: KLE Construction
Contact: Jason Everett
Does the department have existing and finished grade surfaces, line work and/or corridor for the project in electronic format (CAD, XML, TIN) that can be provided?
Answer
Submitted: Wednesday 14-JUL-2021 10:35 AM
The requested files do not represent the staked project but are only design files. The Department cannot guarantee the accuracy of the electronic data, particularly as it may be called up by your computer, nor does any data in these files supersede the data in the contract documents.
 
In addition, the Department will not make any revisions to the electronic files pertaining to the staked project, change ordered work, or changes that are made during construction to fit field conditions.
 
The design files for the requested project are posted on the MDT FTP site for your use: DESIGN FILES

-12-
Submitted: Friday    02-JUL-2021 01:41 PM
Company: DBM Contractors
Contact: Ryan Thody
Can the Department upload, and provide access to, the "comprehensive set of geotechnical information" that is noted in Special Provision #14?
Answer
Submitted: Tuesday  06-JUL-2021  12:16PM
Attached are PDF Files of the available project alignment and/or structures geotechnical report(s), geotechnical report supplements, and geotechnical laboratory summaries.  There is remaining geotechnical information that is voluminous and very difficult to compile in a concise manner. 

Contact Cory Rice of SK Geotechnical to inspect rock samples taken for the project and to look through the complete set of Geotechnical field investigation notes, laboratory testing, analytical, or other data in the project files. 

It should be noted that the project may have undergone significant changes during the design process after the original geotechnical report and supplements were issued.  Thus, some of the information contained in these documents may be out of date or not applicable with regard to the advertised project. Some of the changes include, but are not limited to: Project splits (for funding, ROW issues, etc.); alignment and grade changes; and changes due to environmental factors (sensitive areas, etc.).
The documents can be found at:
   I-90 YELLOWSTONE R BILLINGS GEOTECH

UPDATED: Friday 09-JUL-2021 08:05 AM
Contact information for Cory Rice: SK Geotechnical, 2511 Holman Avenue, Billings MT 59102, (406)652-3930

-13-
Submitted: Thursday  08-JUL-2021 07:58 AM  
Company: Sletten Construction Co.  
Contact: Michael J Anderson
Talen Energy Rail Spur - It is our understanding that Talen Energy owns the rail spur within the project limits and that MRL has a track use/maintenance agreement with Talen Energy. In addition to having to meet all MRL’s requirements including background checks/approval of workers, BNSF railroad worker safety training, independent shoring review, specific insurances that must be purchased, etc., will the contractor have a similar set of requirements from Talen Energy? Specifically:
• Does MDT have any project specific agreements in place with Talen Energy?
• Does MDT have a point of contact for Talen Energy?
• Will Talen Energy require a separate insurance policy similar to the MRL requirements? If so, what are the limits/requirements with a similar value of work of $4.2million?
• Does Talen Energy require any special or separate employee training or have specific safety requirements?
• Will shoring plans have to be submitted to Talen Energy for independent review and approval?
Answer
Submitted: Thursday 15-JUL-2021 9:05 AM
MDT does not have any specific agreements with Talon Energy.  Talon Energy is aware of the project, the agreements MDT has are with MRL and are included in the contract.

-14-
Submitted: Friday    09-JUL-2021 04:55 PM
Company: Sletten Construction  
Contact: Tony Ewalt
Reference Special Provision 55. This provision is more common in recent MDT project specifications, typically there is a known number of vertical, adjacent structures (historic in nature or critical for vibration impacts) that this provision would apply to or be utilized for. In the case of this project, it would seem to include ALL pipelines, structures, tanks, etc. within 200 feet of any contract work. This becomes a large scope for pre and post surveys, as well as site monitoring for 2-1/2 years. Please furnish a defined list of structures/facilities that this Special Provision is intended to address. Or, provide the guidelines that will be used by MDT to determine what structures or pipelines require physical monitoring versus ones that do not? It would appear this scope needs better definition to ensure have all bidders quote a similar scope of work and still meet the intent of the specification. Please advise
.
Answer
Submitted: Wednesday 28-JUL-2021 09:20 AM
The site needs to be reviewed by the contractor to determine which appurtenances fall within a 200-foot radius of the construction activities.  Keep in mind the proposed temporary structures such as work bridges.

-15-
Submitted: Friday    09-JUL-2021 04:56 PM  
Company: Sletten Construction  
Contact: Tony Ewalt
Reference Special Provision 54. Since there is no bid item association for payment of this Special Provision, and the description states that the Geotechnical instrumentation and monitoring will be completed by others, under the direction of the Project Manager, and in coordination with the Project Geotechnical Engineer, does this work fall outside the scope of the bid proposal of the General Contractor? I would assume that we would be required to coordinate ONLY for access and notifications, but that we would not include costs for any work as it relates to this Special Provision (ie. trenching, install of data cables, etc.). Is this a correct interpretation for this Provision?
Answer
Submitted: Wednesday 14-JUL-2021 10:32 AM
Instrumentation equipment, wire and data logger equipment will be provided by MDT's Consultant.  Contractor is required to complete trenching and backfilling of trench for settlement cell and data cable and coordinate this work with MDT's Consultant.  This requirement is outlined in SP 50, STAGED EMBANKMENT CONSTRUCTION.

-16-
Submitted: Friday    09-JUL-2021 04:56 PM  
Company: Sletten Construction  
Contact: Tony Ewalt
Reference Special Provision 35. This provision identifies the Department’s Statewide Construction Training to be February 7 through February 12, 2022. This provision also states that no work can occur during this time. Since this time is in the middle of both Phase 2 and Phase 3 of the critical path of this bridge construction, can work continue during this week so long as it is not inspectable work? Also, would this same time period training occur in 2023 and 2024 as well?
Answer
Submitted: Thursday  15-JUL-2021  03:50PM
The Statewide Construction Training occurs every two years.  In addition to February 7-12, 2022, it will be held again in February 2024.  Special Provision 35 ensures that all our staff can attend the required training.  No exceptions will be made at this time.  Specific requests can be submitted to the EPM during construction and reviewed on a case by case basis.

-17-
Submitted: Tuesday   13-JUL-2021 04:52 PM
Company: Forterra
Contact: Brian Jenner
Does the Special Provisions Item 23. STEEL PRICE ADJUSTMENT apply to the rebar to be used in the precast deck panels? Rebar pricing is very volatile, especially for the rebar specified for the deck panels. That type of rebar is only run a couple times each year.
Answer
Submitted: Wednesday 21-JUL-2021 01:00 PM
Rebar in the precast deck panels is subject to the steel price adjustment.  The Contractor needs to follow the guidance in Special Provision 23 if they intend to participate in the steel price adjustment.

-18-
Submitted: Wednesday 14-JUL-2021 12:39 PM
Company: Aldridge
Contact: John Corradetti
Reference Special Provision 72, “Thermal Integrity Profiler (TIP) Test Method for Drilled Shafts (Wire Method)”. Please confirm whether or not the 14 drilled shafts that are TIP Tested will also need to be CSL tested. Likewise, please confirm whether or not CSL testing will be required for the balance of the drilled shafts that are not TIP tested. Finally, will TIP testing be an acceptable alternate to CSL testing for all of the drilled shafts on the project, not just the first shafts cast at each bent or pier?
Answer
Submitted: Friday  16-JUL-2021 01:30PM
MDT performs CSL testing. Install CSL tubes in all drilled shafts per Section 558 of the Standard Specifications.  Shaft Testing and Acceptance per Section 558 of the Standard Specifications and the TIP Special Provision.

-19-
Submitted: Friday    16-JUL-2021 04:57 PM
Company: Knife River
Contact: Hal Fuglevand
We are requesting that when completed, the new Billings By-Pass Yellowstone River Bridge be allowed to be used for delivery of construction materials from the north side of the river to the project. There is currently an adequate road in place from the south end of the new bridge to Coulson Road. In addition, there are RR cross arms installed at the adjacent crossing. By allowing use of the new bridge, Main Street and the Heights in general would see a reduction of truck traffic that would otherwise be present throughout the duration of the project
.
Answer
Submitted: Tuesday  27-JUL-2021  01:46PM
Use of the Billings Bypass Yellowstone River Bridge project is not allowed for work on this project.

-20-
Submitted: Monday  19-JUL-2021 11:11 AM
Company: MDS Construction Supply, Inc.
Contact: Ben Carter
Is their a geogrid spec or is spec same as in job 202?
Answer
Submitted: Thursday 22-JUL-2021 12:25 PM
The attached Special Provision "Geogrid" is hereby added to the contract. GEOGRID

-21-
Submitted: Monday    19-JUL-2021 03:17 PM
Company: COP Construction
Contact: Christian Duffus
Please confirm (or clarify) the phases that the following storm drain structures will be installed. The storm drain schedule is shown on plan sheet 27. Phase 3: I-1, MH-1, I-2, I-3, I-4 Phase 2: All remaining structures not listed above.
Answer
Submitted: Wednesday 28-JUL-2021 09:00 AM
The proposed sequencing for the storm drain structures is as listed below.
Phase 2: I-5 to I-71 and MH-4 to MH-6
Phase 3: MH-2 and MH-3
Phase 4: I-72 to I-75
Any phase based on Special Provision #38:  I-1 to I-4, I-76, and MH-1

-22-
Submitted: Tuesday   20-JUL-2021 03:52 PM
Company: Knife River Billings
Contact: Darrin Tutino
I see the XML surfaces in the "Design Files", are there any DGN's or DWG's of the Existing and Design line work available?
Answer
Submitted: Thursday 22-JUL-2021 01:08 PM
The XML surfaces are all that will be provided at this time.

-23-
Submitted: Wednesday 21-JUL-2021 09:06 AM
Company: COP Construction
Contact: Christian Duffus
Special Provision 22 states: "Reference the shop drawings posted to the Q&A forum for additional information regarding the State furnished materials." Please provide a link to this additional information.

-24-
Submitted: Wednesday 21-JUL-2021 08:32 PM
Company: Bridge Preservation
Contact: David Lite
In regards to the specified PVC waterproofing membrane and geotextile fabric, would you approve the use of a high performance spray applied waterproofing membrane with Bridge Preservation BDM (Bridge Deck Membrane) in lieu of the PVC waterproofing membrane and geotextile fabric? The BDM system meets the requirements of AREMA Part 29, Section 29.9.10 Cold Liquid-Applied Elastomeric Membrane. In addition the BDM System is fully bonded to the substrate, is spray applied and seamless allowing to fully bond and terminate to any detail or penetration, and passes the ballast impact test allowing the membrane to be backfilled without protection. The system is installed with a concrete primer and the membrane is applied at a minimum of 80 mils. The BDM is approved with over 40 highway and rail owners across the country for use on bridges, tunnels, culverts and other civil structures. Additional information can be found at www.bridgepreservation.com
Answer
Submitted: Tuesday 27-JUL-2021 09:05 AM
It appears that the question was directed towards Special Provision #75.  At this time, the spray applied waterproofing product does not appear to be acceptable.  The intent of the specified PVC membrane was to provide a membrane independent from the external joint wrap.

-25-
Submitted: Thursday  22-JUL-2021 10:25 AM
Company: COP Construction
Contact: Christian Duffus
The irrigation summary on plan sheet 29 indicates that there are 2 CUYD of Concrete Class General related to the irrigation line. Is this the thrust blocking shown on plan sheet 56? The profile view of the irrigation line indicates that there are 2 EA thrust blocks required, is this correct?
Answer
Submitted: Wednesday 28-JUL-2021 08:55 AM
Yes, there are two thrust blocks required for the Lockwood Irrigation District pipe design. The two thrust blocks are paid for as 2 CUYD of Concrete Class General as shown in the Irrigation Line summary.

-26-
Submitted: Wednesday 21-JUL-2021 02:46 PM
Company: Steelike, inc.
Contact: Scott Bollinger
We are requesting that Steelike® UHPC be allowed for Concrete Class UHPC as an alternative to the Lafarge Ductal UHPC product referenced in Section 77 of the special provisions. Steelike® UHPC, made by Steelike, Inc., meets all the performance criteria established by the FHWA, New York State DOT, and other state agencies for UHPC, much like Lafarge’s Ductal product. Test data and past project experience can be furnished to demonstrate Steelike’s experience and performance. Steelike can and routinely does provide the quality control and technical support called for in the special provision. Steelike has been commercially supplying UHPC for transportation and heavy industry since 2016 to the Department of Defense, the FHWA, and multiple state and local transportation agencies. Steelike has also developed a number of time- and cost-saving UHPC mixing and placement techniques that may be advantageous for this project. Respectfully
Answer
Submitted: Tuesday  27-JUL-2021  01:51PM
This substitution is not approved at this time. Furnish UHPC concrete per the contract requirements.

-27-
Submitted: Friday    23-JUL-2021 09:11 AM  
Company: Missouri Basin Materials  
Contact: Tyler Braatern
On Line Items 0470 (Epoxy) & 0490 (CR) for the Yellowstone River Crossing, which "Bill Of Reinforcing Steel" schedules are all included for these items? Is none of the reinforcing on Sheet No. B50B included in these quantities? Sheet No. B59B states to include the cost of this in Epoxy, but there is "CR" reinforcing listed on the schedule. Is all of "CR" reinforcing to be included in the Epoxy Line Item? The "Bill Of Reinforcing Steel" on Drawing SBR-SS36R does not list quantities. Could the quantities be provided for this schedule? Also, is this reinforcing included in the Epoxy Line Item?
Answer
Submitted: Wednesday 28-JUL-2021 09:45
Reinforcing steel shown in the Estimated Bridge Plan Quantity tables on Sheets B2 and B3 is included in the Schedule of Items values 0460 thru 0490 for reinforcing steel. There is additional reinforcing steel not included in those line items that is considered incidental to the price of a different item as follows:

  • Reinforcing steel shown in the Bill of Reinforcing Steel table on Sheet B50B that is embedded in the precast deck panels or located in the transverse and longitudinal joints between panels is incidental to the Precast Deck Panel item.
  • Reinforcing steel shown in the Bill of Reinforcing Steel table on sheet B59B with an "AS" or "SS" prefix are considered incidental to Approach Slab Concrete, or Sleeper Slab Concrete
  • Reinforcing steel for the barrier on Drawing SBR-SS36R is quantified within the reinforcing steel schedules in the plans on Sheet B50B and Sheet B59B and is included in the Epoxy Reinforcing line item except as noted for bars embedded in the precast deck panels.

-28-
Submitted: Friday    23-JUL-2021 03:13 PM
Company: KLE Construction
Contact: Jason Everett
The spec calls for inextensible soil reinforcements or steel. Since the location of the mse walls will undergo extensive excavation such as that required for extensible, would the department be willing to substitute for extensible so long as the other parameters or requirements were met under the design build?
Answer
Submitted: Thursday  29-JUL-2021 02:30PM
Inextensible reinforcement is required for the permanent Talen Energy Rail Spur walls.  Extensible geosynthetic reinforcement can be used for temporary shoring and the Approach Fill Walls at the Bridge over Yellowstone River.  Provide geosynthetic reinforcement meeting the requirements of the Contract.

-29-
Submitted: Monday    26-JUL-2021 10:25 AM
Company: Missoula Concrete Construction
Contact: Adam Bauer
Precast deck: We are a PCI certified precaster and May bid this job from a remote plant. That remote plant would also be PCI certified. Is the DOT alright with that? Also, will the job pay for materials in storage? We would prefer to bill monthly for panels, as they are produced. The invoices would include photo evidence.
Answer
Submitted: Wednesday 28-JUL-2021 09:55 AM
Special Provision #76 requires that the precast deck panels be produced at either an NPCA or PCI certified plant.   If the remote plant is also PCI certified, that would be acceptable.  If the remote plant does not have its own separate certification and has been in operation for less than 18 months, the Department will allow that plant to produce precast items provided the new facility operates under the same quality control program as the certified plant, modified to address any production differences and all fabrication is performed under the direct supervision of a quality control manager provided by the existing certified plant.  "Direct Supervision" means that the quality control manager is on site during all fabrication performed in the new fabrication plant and is responsible for the quality control activities.
 
In these cases, submit and receive approval of any proposed revisions to the parent plant's quality control plan prior to beginning production.  Allow 30 business days from the date submitted for Department review and approval.
 
Special Provision #86 requires that precast reinforced concrete pipes, boxes, manholes, and inlets come from facilities listed on the Department's Qualified Products List (QPL).  PCI, NPCA, or ACPA are acceptable third-party certifications for listing on the QPL.  If your facility is not listed on the Department's QPL, please see the Department's QPL webpage at
https://www.mdt.mt.gov/business/contracting/qpl-prod-requirements.shtml for instructions on how to request listing on the QPL.  Precast pipes, boxes, manholes, or inlets will not be accepted from facilities not listed on the QPL.
 
Precast deck panels are eligible for payment as stockpiled materials, follow standard specification 109.07.

-30-
Submitted: Monday    26-JUL-2021 02:03 PM  
Company: Capital Contractors, Inc.  
Contact: David Crist  
The design plans show pier crossframes with welded assembly instead of bolting. This is not shown as an option for the intermediate crossframes. Would it be an acceptable option to weld the the intermediate crossframe assembly?
Answer
Submitted: Tuesday  27-JUL-2021  01:54PM
The intermediate cross frames require bolted connections to meet design requirements.

-31-
Submitted: Tuesday   27-JUL-2021 09:25 AM  
Company: Wadsworth Brothers Construction  
Contact: Mark Miller  
Can the department provide a more detailed summary sheet for Item 1010 - 605000020 - BARRIER RAIL-CAST IN PLACE - 11,519.20 LF? Currently summary sheet 31 shows 590 feet of 42 Inch and 10,929.2 feet of 54 Inch but does not show how many feet of stepped barrier. Sheet 77 detail sheet shows stepped barrier of H=0" to 14" and a detail for H=14" to 36". Looking at the cross sections provided, it is very difficult to properly bid the correct quantities of steeped median barrier. Design files with final grades would help or a more detailed summary sheet.

-32-
Submitted: Tuesday   27-JUL-2021 10:30 AM  
Company: Wadsworth Brothers Construction  
Contact: Mark Miller  
After reviewing the traffic control plans and details we see temporary asphalt surfacing for the traveling public for the different phases of construction but we cannot find any traffic control plans or temporary asphalt surfacing for the contractor’s ingress and egress to access the road work in each of the mainline phases. At the beginning of each mainline phase the bridges will be removed early and then access to construct the mainline will be cutoff. Will these additional traffic control plans and costs for temporary asphalt surfaces need to be designed and constructed by the contractor and what bid items should these costs be allocated to? Does the department have any special requirements for these temporary median crossing?
Answer
Submitted:  Thursday 29-JUL-2021 07:56AM
Temporary median crossings need to be shown on the traffic control plan submitted by the contractor and are subject to approval by the Project Manager.  There are no requirements that these crossings be paved, include these costs in the Lump Sum Traffic Control bid item.

-33-
Submitted: Tuesday   27-JUL-2021 11:58 AM  
Company: Mountain West Holding Co  
Contact: Chris Connors
The plans appear to contain details for a old cable rail system that is not high tension. The existing I-90 cable rail that will be removed in multiple locations is a high tension system. Is the MDT requesting the contractor to connect the system shown in the plans to the existing high tension system? The cable terminal counts do not make sense for the installations shown.

If the contract is changed to require installation of a compatible high tension cable system, the following need to be considered. 1) Any locations where existing cable runs are partially removed, a compatible cable terminal will need to be installed. 2) The remaining cable rail runs will not be a functioning system until the proper cable terminal is installed. 3) The availability of the cable terminals will be dependent on a sole source supplier and out of the contractors control for availability.

-34-
Submitted: Thursday  29-JUL-2021 09:57 AM
Company: Knife River
Contact: Van Hildreth
1. Plan sheets 113, 114, 118, and 119 show temporary concrete barrier with notes indicating that its typical between crossovers 1 and 2. The quantity for supply and reset is not incorporated into bid items 1120, 1140, 1830, and 1840. Can you update bid item quantities?

2. Typical 27 (Plan sheet 19). Other than right shoulder reconstruction work in the East Bound lane, there doesn’t appear to be any work in summaries or plans (including grading, surfacing, striping) past 247+56.74 that fits the typical. Is it the intent to reconstruct existing roadway from 247+56.74 to 255+36.54 as indicated in Typical 27? If so, please update quantities and plans.

3. Special provision 58, Bid item 110 – Abandon Well. Where are these located in the plans? Can you provide well log/install information?

-35-
Submitted: Thursday  29-JUL-2021 10:05 AM  
Company: Chris Connors  
Contact: MWHC  
The project includes a bid item for 8 each MASH Thrie Beam Bri Approaches on this project. Plan pages 74 & 75 include details for what appears to be alterations/revisions to the MDT Standard Drawings 606-23A/B MASH Thrie Beam Bridge Approach.

Will the MDT 606-23A/B product not work for this project and is it the MDT's intent to use the substitutions shown on pages 74/75 for some of the MASH Thrie Beam Bridge Approaches?

Pages 74/75 reference concrete curb as part of the MASH transition but there is a bid item on the project for Curb 4 in-Concrete. To simplify the project, can the curb be paid under existing bid items instead of being included as incidental work in some places and paid under the bid item in other places?

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Submitted: Thursday  29-JUL-2021 11:07 AM
Company: Knife River
Contact: Van Hildreth
Is the quantity of special borrow paid regardless of whether or not the special provision 64 "pavement pulverization" option is used?

-37-
Submitted: Thursday  29-JUL-2021 11:17 AM  
Company: Sletten Construction Co.  
Contact: Michael J Anderson
Special 76 Precast Deck Panels – 76.B.5) and 76.C.6) structural grout – suppliers are having a difficult time meeting both parts of the product/submittal requirements and no product on the QPL meets all requirements. Obviously, the designers have a history with a specific grout product and have an acceptable product in mind - specifying and identifying an acceptable product is the provenance of the Engineer. Judging what may or may not be an acceptable product in an application as critical as this shouldn’t be left up to the contractor. Please supply an acceptable product(s) by name so the required surface preparation can be reviewed and the installation priced properly.”

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Submitted: Thursday  29-JUL-2021 11:51 AM
Company: Forterra
Contact: Jared Masin
Does the Special Provision Item 80 allow for epoxy bar to be accepted in leu of the low- carbon, chromium, steel for reinforcing in the pre-cast deck panels?

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Submitted: Friday    30-JUL-2021 09:17 AM
Company: Knife River
Contact: Van Hildreth
Sheets B1B and B2B (and others) – grading is shown under the new bridge from all four end bents toward the river that is indicated as “unclassified excavation”. It doesn’t appear that this grading is in summary, additional grading summary, dirt run, or cross sections. Can cross sections be provided that show the grading, and if quantity is missing, update quantities?

202 - SF 139-CENTRAL & 56TH ROUNDABOUT - August 12, 2021

Notifications

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Addendums

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Clarifications

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Questions

-1-
Submitted: Monday    26-JUL-2021 12:41 PM  
Company: Lumen FX  
Contact: Frank Dugas  
On the ELECTRICAL - HIGH EFFICACY LED LUMINAIRE the specification does not call out discrete LEDs. Do we take that to mean COB LEDs are acceptable? It has been our experience that most MDT projects are now discreet. Please clarify.
Answer
Submitted: Thursday 29-JUL-2021 11:35AM
MDT projects require luminaires utilizing arrayed discreet LEDs, COB (chip-on-board) LEDs are not accepted.

203 - SF 179 D5 SFTY IMPROVEMENTS - August 12, 2021

Notifications

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Addendums

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Clarifications

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Questions

-1-
Submitted: Tuesday   27-JUL-2021 03:32 PM  
Company: TraffiCalm  
Contact: Kevin Hanson
The specs ask for a Provide a UL listed, NEMA 3R cabinet. The solar battery cabinet is a low voltage so is the UL listing really required for this project?
Answer
Submitted: Thursday  29-JUL-2021 11:29AM
Yes, please provide a UL listed Type 3R cabinet as indicated in the special provisions for the project.

204 - SIGNALS - BIG SKY - August 12, 2021

Notifications

No Notices available for this project.


Addendums

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Clarifications

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Questions

No Questions available for this project.

205 - SF 179 N-10 SAFETY IMPROVEMENTS - August 12, 2021

Notifications

No Notices available for this project.


Addendums

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Clarifications

No Clarifications available for this project.


Questions

No Questions available for this project.