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-1-
Submitted: Monday 29-JAN-2018 09:10 AM
Company: Knife River - Yellowstone
Contact: Van Hildreth
Please post the Geopak design files for the project.
Answer
Submitted: Monday 29-JAN-2018 12:50 PM
The design files for the requested project are posted on the MDT FTP site for your use at: GEOPAK
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.
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-2-
Submitted: Monday 29-JAN-2018 12:07 PM
Company: NORTHERN ROCKIES AGENCY
Contact: KIT
There are no specifications for "617303300 HIGH EFFICACY LUMINAIRE LED 22.000 EACH" - Please give us specification.
Answer
Submitted: Monday 29-JAN-2018 03:07 PM
The following special provisions are hereby added to this contract:
Service Assembly
Include the cost of the photoelectric controls and the 6” x 6” pressure treated wood post (underground service) as part of this bid item.
HIGH EFFICACY LED LUMINAIRE
A. Description. Install luminaires that use light-emitting diodes (LED) as a light source.
B. Material. Provide luminaires with a die cast aluminum housing and a universal four-bolt slip fitter mount. Provide luminaires with a light distribution of type 2. Provide luminaires rated at 17,700 delivered lumens with 700 mA drive current. Submit Backlight, Uplight, and Glare (BUG) ratings. Provide luminaires that have an uplight rating of U1 or less. Provide luminaires that are photometrically tested by certified independent testing laboratories in accordance with IES LM-79 testing procedures. Use a correlated color temperature (CCT) of 4000 K and a minimum color rendering index (CRI) of 70. Use LEDs that are mercury and lead free. Use LEDs that are tested in accordance with IES LM-80 testing procedures. Use LEDs rated at a minimum of 50,000 hours of life at 25°C, L70. Submit a TM-21 report for the LEDs.
Provide a power supply with a minimum power factor of .90 and a maximum total harmonic distortion (THD) of 20% or less. Provide surge protection with a minimum of ANSI/IEEE C62.41 category C protection. Wire luminaires for 240-volt operation. Provide access to electrical components without the use of tools. Provide luminaires that are UL listed for use in wet locations.
Provide a minimum 10 year warranty for the entire luminaire assembly including material, workmanship, photometrics, power supply and LED modules. If more than 10% of the individual LED’s fail within the warranty period the luminaire must be repaired and replaced.
C. Construction Requirements. Adjust luminaires at night to provide the best roadway lighting distribution. Adjust luminaires so they are level from side to side to limit glare.
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-3-
Submitted: Tuesday 30-JAN-2018 10:14 AM
Company: Jim Gilman Excavating, Inc.
Contact: Paul Thompson
There appears to be quantity discrepancies for the subexcavation and special borrow in the SB lanes.
1) Sheet 1 of the SB cross sections shows a subexc quantity of 16,289 cy for the SB lanes, while the additional grading summary on plan sheet 19 shows a subexc quantity of 23,694 cy in the SB lanes. Please verify the correct quantity.
2) Sheet 1 of the SB cross sections shows a special borrow quantity of 17,929 cy in the SB lanes, while the special borrow summary on plan sheet 18 shows a total quantity of 27,206 cy for the SB lanes. Please verify the correct quantity.
Answer
Submitted: Tuesday 30-JAN-2018 02:04 PM
The quantities in the Additional Grading Frame, sheet 19 and the Special Borrow Frame sheet 18, are correct.
23,694 cy sub excavation, SB lanes
27,206 cy special borrow, SB lanes
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-4-
Submitted: Thursday 01-FEB-2018 03:42 PM
Company: Vigor
Contact: John Montgomery
Bridges C & D have steel girders with sweep or curve but I'm not finding a centerline radius or any other information that dimensions the sweep or curve. Please supply a simple centerline radius.
Answer
Submitted: Friday 02-FEB-2018 08:21 AM
Bridges C and D are partially located on a spiral horizontal curve, so a simple centerline radius does not exist for the full length of each girder. For girder curve radii, see the "Table of Girder Bending Information" on sheets B27c and B28d.
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-5-
Submitted: Tuesday 06-FEB-2018 05:06 PM
Company: Jim Gilman Excavating, Inc.
Contact: Paul Thompson
This project has a completion date of 6-29-2020 and special provision #28 indicates that the phase 3 work planned for the spring of 2020 includes seal & cover, and epoxy pavement markings. Please confirm that interim paint will not be applied over the chips, so no waiting period for epoxy is required. MDT usually does not start contract time on seal & cover work until July 5th of each year. The Butte area often experiences cold nights and rain on many days throughout June, and the completion date does not allow for additional time if seal & cover operations or epoxy are delayed by weather. We request that MDT either move the completion date to 7-15-2020, or agree to grant additional time by change order if weather delays the work in June of 2020.
Answer
Submitted: Friday 09-FEB-2018 09:19 AM
An addendum will be issued revising the completion date specified in Special Provision #2 Contract Time- Completion Date to August 28, 2020.
Special Provision #2 is hereby replaced with the following:
CONTRACT TIME - COMPLETION DATE [108] (REVISED 1-21-16)
This contract is a completion date contract. The work begins on the effective date stated in the Notice to Proceed (NTP) and all work is to be completed no later than August 28, 2020. Unusually severe weather is not considered as a delay cause. The NTP will be issued with an effective date of March 16, 2018.
During Phase 3 as specified in Special Provision #32 - Sequence of Operations; do not perform work that restricts the normal flow of I-15/90 traffic during the following events:
1) Montana Folk Festival- Typically the 1st week of July.
2) Evel Knievel Days - Typically the last weekend in July.
3) An Ri Ra Irish Festival - Typically the 2nd weekend in August.
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-6-
Submitted: Thursday 08-FEB-2018 04:00 PM
Company: Schellinger Construction Company, Inc.
Contact: Estimating
Will Optional Blended Base Course be allowed on this project?
Answer
Submitted: Thursday 08-FEB-2018 04:29 PM
The following Special Provision is hereby included in the contract:
OPTIONAL BLENDED BASE COURSE [301] (REVISED 5-23-13)
A. Description. This optional work consists of blending Recycled Asphalt Pavement (RAP) or Recycled Concrete Aggregate with existing crushed aggregate course, additional aggregate course, or a combination of these on a prepared surface. The blending of these materials is optional and is not a requirement of this contract.
B. Materials. Furnish recycled or crushed aggregate course that, when blended with the virgin aggregates, meet the requirements of Subsection 701.02.1 and Subsection 701.02.4
C. Construction Requirements. Recycled products must be pugmilled with existing or virgin aggregates to produce a uniform mixture. Blend no more than 40% RAP or 50% concrete by weight with existing or virgin aggregates. Total recycled mixtures may not exceed 50% by weight of the blended base course. Use weighing or metering devices to control the recycled material introduced into the mix within the specified limits.
Meet the compaction requirements of Subsection 301.03.5.
D. Method of Measurement and Basis of Payment. Crushed Aggregate Course is measured and paid for as found elsewhere in the contract. Payment will be made for the amount of crushed aggregate course placed as required by the contract. No additional payment will be made for preparing, crushing, screening or blending of recycled materials.
Payment at the contract unit price is full compensation for all resources necessary to complete the items of work under the contract.
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-7-
Submitted: Thursday 08-FEB-2018 05:46 PM
Company: Malcolm Intl
Contact: Carter Masterson
To properly price the required Railroad Protective Insurance, please provide the following information: Number of Trains and working hours per day for Passenger Trains, Freight Trains, and unscheduled trains.
Answer
Submitted: Tuesday 13-FEB-2018 09:10 AM
Information pertaining to the two railroad entities involved:
Rarus (BAP):
- 2-3 trains a week between Ramsay and Butte having 20 +/- cars.
- Train speeds vary from 5-15 mph.
- Working hours are 7 AM to 3 PM.
- No passenger trains.
BNSF:
- Two trains average in a 24-hour period.
- Train speed equals 25 MPH average.
- No passenger trains.
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-8-
Submitted: Sunday 11-FEB-2018 11:25 AM
Company: Nelcon, Inc.
Contact: Nelcon, Inc.
In the soil data summary report by Pioneer, it demonstrates that excavation materials are highly likely to be contaminated with heavy metals. With respect to question #6, will these materials be allowed for use with blended CAC? Also, will all onsite materials, regardless of contamination levels, be allowed for use as embankment? Will all other soils/excess excavation have to be hauled to landfill for disposal?
Answer
Submitted: Friday 16-FEB-2018 10:02 AM
Revised: Friday 16-FEB-2018 10:37 AM
Only the Streamside Restoration waste and Olive Branch Mine waste must be managed as specified in Special Provisions 25 and 43. MDT conducted extensive testing of material in the project corridor and discovered isolated pockets of contamination however; nothing so high in metals or arsenic that it could not be re-used as embankment or incorporated in other materials used on the project.
Additionally, the project is outside the Butte Priority Soils Operable Unit (with the exception of the work in the Streamside Operable Unit), so there is no Record of Decision dictating the final disposition of the soils. For this reason, the Butte Silver Bow (BSB) government entity has the Dirt Moving and Excavation permit process (Special Provision #28), which requires the contractor summarize where all excavated material goes. When the contractor applies for that permit, BSB has the authority to approve or deny the requests. Based on the testing Pioneer Technical performed and summarized in the report referenced for the project, MDT does not expect BSB to have any objections to the use/re-use of dirt on this project, outside of the areas that have already been addressed by the special provisions. If a previously unknown pocket of highly contaminated materials is encountered on the project (marked by fine grained texture and many of the colors of the rainbow), those materials will be managed and paid for separately.
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-9-
Submitted: Monday 12-FEB-2018 09:19 AM
Company: R.T.I Fabrication, Inc.
Contact: Bob McCoskery
RE: Steel Structures: 556.03.5 Quality Control We ask the State to recognize AASHTO/AWS D1.5 Section 6.7 Nondestructive Testing (NDT), in place of Montana DOT Section 556.03.5, minimum requirements 1. & 2.
Answer
Submitted: Tuesday 13-FEB-2018 01:11 PM
Specification subsection 556.03.5 applies in its entirety, including the supplemental specification as described in Clarification #4.
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-10-
Submitted: Monday 12-FEB-2018 02:12 PM
Company: Sletten Construction
Contact: Chad Mares
For the drainage system, can you verify if this bid item will have to have the design calculations and plans for the support system sealed and signed by a professional engineer licensed in Montana? The proposal only states to submit shop plans, does not state to have engineer stamp.
Answer
Submitted: Tuesday 13-FEB-2018 08:18 AM
Design calculations are not required to be submitted for the drainage system supports.
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-11-
Submitted: Monday 12-FEB-2018 04:00 PM
Company: Jim Gilman Excavating, Inc.
Contact: Paul Thompson
Cross sections show that NB sta 438+26.35 through sta 441+77.14 is a fill section over existing roadway. Will MDT allow existing road surfacing to remain in place as is in this area?
Answer
Submitted: Tuesday 13-FEB-2018 01:13 PM
No, this work is required to improve drainage in the subgrade near the bridge end.
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-12-
Submitted: Tuesday 13-FEB-2018 09:51 AM
Company: Nelcon, Inc.
Contact: Nelcon, Inc.
Is there any geotechnical information on the layer of concrete that is shown below the existing asphalt section with respect to pounds per square inch? If not, can MDT provide some data?
Answer
Submitted: Wednesday 14-FEB-2018 04:18 PM
MDT did not collect any samples of the PCCP and did not perform any strength testing on this material.
Updated: Tuesday 20-FEB-2018 11:24 AM
The underlying concrete pavement was previously cracked and seated which is expected to aid in removal of the materials.
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-13-
Submitted: Tuesday 13-FEB-2018 05:43 PM
Company: Malcolm International
Contact: Carter Masterson
Exhibit E, Guideline for preparation of demolition plans for structures over railroads, (page 30 of 102 of the special provisions package) states the following; “All employees of the Contractor and Subcontractor on the project site must be Safety Trained. Refer to http:/www.railroadsafetytraining.com”. This can be read and can be enforced to mean everyone working on the entire project site from traffic crossover to traffic crossover need to complete this railroad training. Is this the intent or does this training only apply to “all employees working within the railroad right-a-way”. Please clarify.
Answer
Submitted: Friday 16-FEB-2018 03:45 PM
Safety training applies to all employees working within the railroad right-a-way; including the area within railroad right of way above the tracks.
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-14-
Submitted: Wednesday 14-FEB-2018 08:22 AM
Company: Malcolm Drilling Compan, Inc.
Contact: Jim Tripp
Drilled Shafts - Past experience in drilling next to railroad tracks, the railroad requires that the drilled shafts be cased full depth. Is this a requirement for this project?
Answer
Submitted: Wednesday 14-FEB-2018 04:15 PM
Permanent casing of the drilled shafts is not required. Temporary casing is required per specification subsection 558.03.8.
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-15-
Submitted: Wednesday 14-FEB-2018 09:41 AM
Company: Malcolm Drilling Company, Inc.
Contact: Jim Tripp
Drilled Shafts - There are two ways to construct the drilled shafts on this project.
Option 1) Drill the shafts to tip, set drilled shaft rebar cage, place concrete up to bottom of column rebar cage elevation, leaving casing in the ground to provide access for setting column rebar cage.
Option 2) Drill the shaft to tip, set drilled shaft steel and column steel at the same time, and pour concrete to top of drilled shaft elevation.
Option 1) Is this an acceptable construction method? Specification 558.03.8 of the standard specification states any temporary casing left in the ground which cannot be removed are considered defects to the shaft. The casing left in place to facilitate placement of the column rebar cage will not be removed. Is this acceptable or will it require the shaft to be extended deeper into the rock? If so, for every foot of casing left in place, how much deeper does the shaft have to be extended?
Option 2) As the column steel will project as much as 36' above the top of the drilled shaft and being 2' smaller diameter than the drilled shaft rebar cage, It will be nearly impossible to get a temporary casing pulled up over the top of the rebar and maintain the require tolerances. If this option is used, does the drilled shaft tolerance specification or the column tolerance specification govern?
Answer
Submitted: Wednesday 14-FEB-2018 04:10 PM
It is not acceptable to leave any portion of the drilled shaft temporary casings in place permanently. Tolerances for the columns and drilled shafts are as presented in Table 564-1 of the specifications. Column tolerances apply above the top of drilled shaft elevation shown in the plans, and drilled shaft tolerances apply below this elevation.
Alternative construction methods to Options 1 and 2 as described are available. See notes on sheets B12a, B12b, B14-16c, and B15-17d regarding allowable splicing and wet insertion of column reinforcement.
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-16-
Submitted: Wednesday 14-FEB-2018 09:47 AM
Company: Malcolm Drilling Company, Inc.
Contact: Jim Tripp
Drilled Shafts - Is 120" dia. O.D. temporary casing used for controlling sloughing or caving of the drilled shaft while drilling acceptable?
Answer
Submitted: Wednesday 14-FEB-2018 04:12 PM
No. See Table 564-1 of the specifications for drilled shaft diameter tolerance.
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-17-
Submitted: Wednesday 14-FEB-2018 03:13 PM
Company: Schellinger Construction Co, Inc.
Contact: Estimating
The Special Provision 25 indicates the contaminated material from the Olive Branch Mine is to be removed and disposed of at the Butte-Silver Bow Landfill. In conversation with the Glen Rafish, the material to be disposed needs to be approved by Pioneer Technical prior to dumping in the landfill. Pioneer-Technical has concluded that the metal contaminated soils do not comply with the definition of solid waste and cannot be accepted for disposal at the Butte-Silver Bow Class II Landfill. If this is true, where should the material be disposed of and who is the contact for the disposal area.
Answer
Submitted: Tuesday 20-FEB-2018 02:28 PM
Updated: Wednesday 21-FEB-2018 09:10 AM
Special Provision #25 Olive Branch Mine Waste Removal is revised as follows:
D. Construction.
4) Replace the first two sentences with the following: Haul excavated material to the Butte Silver Bow Mine Waste Repository located near Walkerville, MT; a location and haul route map is linked. Utilize the designated haul route to gain access to and from the repository; whether hauling loaded or empty. Coordinate this work with Eric Hassler of Butte Silver Bow at (406) 490-5794 a minimum 5 working days before hauling is scheduled to begin. A site will be provided to accommodate the approx. 1,430 cubic yards of contaminated mine waste. Once the hauling and disposal of mine waste is completed; the contractor will be required to provide a dozer and push the materials over the edge and into the designated repository location.
E. Method of Measurement.
1) Replace the first sentence with the following: Mine waste removal is measured as Contaminated Soil Removal by the cubic yard.
F. Basis of Payment.
1) Replace the first sentence with the following: Mine waste removal is paid as Contaminated Soil Removal at the unit price bid per cubic yard. No separate payment will be made for dozer hours required to push the estimated 1,430 cubic yards of mine waste materials into the repository site.
An addendum will be issued reflecting these changes. STREET MAP - MT POLE TO REPOSITORY
The revised plan sheet #17 can be found at the following link: REVISED PLAN SHEET 17
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-18-
Submitted: Wednesday 14-FEB-2018 04:35 PM
Company: Missouri River Contractors
Contact: Kris Anderson
Due to manufacturers recommendations for temperature regarding item 563 000 040 Polymer Overlay. Would MDT allow the Polymer Overlay to be completed in 2020 prior to seal and cover operations.
Answer
Submitted: Friday 16-FEB-2018 03:48 PM
Yes, polymer overlays may be placed during Phase 3.
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-19-
Submitted: Thursday 15-FEB-2018 10:00 AM
Company: Schellinger Construction Co, Inc.
Contact: Estimating
Will the Contractor be required to stockpile and/or load the contaminated material at the Miles Crossing Load Out site? Can you provide the contact information for the Miles Crossing Load Out site?
Answer
Submitted: Friday 16-FEB-2018 11:04 AM
An area will be available at the site allowing the contractor to dump the contaminated soils. No additional handling of the materials will be required by MDT's contractor. Contact information for the Streamside Operable Unit disposal site at Miles Crossing is provided in Special Provision #43 - Streambank Restoration and Existing Pier Removal - section D. 3)
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-20-
Submitted: Thursday 15-FEB-2018 10:32 AM
Company: Jim Gilman Excavating, Inc.
Contact: Paul Thompson
In response to question #6 above, MDT added the provision for Optional Blended Base Course. Special Provision #36 for this project indicates that the Special Borrow must meet the requirements for CAC. Is it the intent of MDT that the Option Blended Base Course provision apply to both the CAC and Special Borrow items, or only to the CAC bid item? Please clarify.
Answer
Submitted: Friday 16-FEB-2018 10:40 AM
Option Blended Base Course provisions apply to Crushed Aggregate Course (CAC) materials only.
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-21-
Submitted: Thursday 15-FEB-2018 11:44 AM
Company: Malcolm Drilling Company, Inc.
Contact: Jim Tripp
Drilled Shafts - Is a below grade construction joint permissible?
Answer
Submitted: Friday 16-FEB-2018 10:43 AM
A below grade construction joint is permissible for the drilled shafts. Note the requirement for mandatory removal of the temporary casing is still applicable. Permanent casing of any length is not allowed.
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-22-
Submitted: Thursday 15-FEB-2018 03:47 PM
Company: Mountain West Holding Company
Contact: Cody Cunningham
It appears that MDT has not made any provisions regarding construction traffic access to the closed lanes. There are areas of both Phases of construction that will require special considerations for truck traffic entering and leaving the site. a. Would MDT consider allowing construction traffic to merge in and/or out of two-way traffic? If so, would traffic control devices used be measured for payment? b. On past projects, contractors have utilized splitting of on/off ramps to route haul trucks. Would MDT consider allowing on/off ramps to be split for this project? If so, what traffic control devices would be required and would they be measured for payment?
Answer
Submitted: Friday 16-FEB-2018 02:532 PM
Updated: Tuesday 20-FEB-2018 03:32 PM
a) No. Haul unit turning movements are restricted to right-turn movements only.
b) No. Utilizing active interchange ramps for use as haul routes is prohibited.
When considering options to access the closed lanes during Phase 1.
a) MDT will consider proposals to establish haul road(s) on the existing fill from Santa Claus Road to the portion of Interstate 15/90 located between the bridges.
b) MDT will consider proposals to create a right of way access break where Greenwood Avenue and Stuttgart Street intersect MDT right of way. Contact Butte Silver Bow Public Works Director Dave Schultz (406) 491-2521 or County Road Superintendent Tom Loggins (406) 490-0053 regarding conditions to utilize Greenwood Avenue and Stuttgart Street as an access point to Interstate 15/90.
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-23-
Submitted: Thursday 15-FEB-2018 04:40 PM
Company: Mountain West Holding Company
Contact: Cody Cunningham
SP 34C refers to "protection of Existing Roadway and Railroad Under Structures" provisions. I do not see where MDT has made any special arrangements for traffic on Santa Claus Road. Would MDT please clarify the plan to manage traffic under the structures and how the traffic control will be paid for?
Answer
Submitted: Friday 16-FEB-2018 02:31 PM
Santa Clause Road will be closed to through traffic during activities such as, bridge demolition, beam placement, deck placement, etc. Provide traffic control as directed by MDT’s Project Manager. Traffic control for Santa Clause Road will be measured by the unit used and accepted according to the value shown in the “Traffic Control Rate Schedule”.
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-24-
Submitted: Friday 16-FEB-2018 08:58 AM
Company: Hollow Contracting, Inc.
Contact: Office
DETAIL (SHEET 21) EXISTING ROAD CROSS SECTION TO BE REMOVED The Dirt Runs appear to absorb this detail as excavation in cut sections. How will this detail be measured/paid in fill sections?
Answer
Submitted: Friday 16-FEB-2018 12:49 PM
Detail (SHEET 21) shows the Existing Road Cross Section to be removed. The Dirt Runs do absorb this detail as excavation in cut sections. In fill sections; the intent is to also remove the existing typical section to improve drainage in the subgrade. A rough calculation of 1,800 ± cubic yards would need to be removed and replaced with Emb+. The work would be paid for as unclassified excavation.
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-25-
Submitted: Friday 16-FEB-2018 01:23 PM
Company: Hollow Contracting, Inc.
Contact: Office
Please clarify the SPECIAL BORROW provision. Will pugmill mixing be required of the SPECIAL BORROW (CAC) material or does this specification only apply to Crushed Aggregate Course Surfacing Construction (301.03.5)?
Answer
Submitted: Friday 16-FEB-2018 02:26 PM
Pugmill mixing applies to Crushed Aggregate Course (surfacing) materials shown in the plan typical sections.
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-26-
Submitted: Friday 16-FEB-2018 03:53 PM
Company: Nelcon, Inc.
Contact: Sam Weyers
1) With respect to question and answer #8 above, many local landowners do not want the excess excavation placed on their land due to possibility of contamination. If a waste site is secured and then BSB denies the excavation permit, will MDT pay additional costs to secure and haul to alternate waste site? Or, can MDT provide a waste site for the excess excavation materials?
2) With respect to question and answers #6 and #20 above, pages 113 and 114 of the standard provision index, 701.12 shows that upto 50% RAP may be used in special borrow material. We are asking that MDT also consider to use 40-50% of the PCCP that could be used with special borrow as well.
Answer
Submitted: Tuesday 20-FEB-2018 02:09 PM
1) If additional contaminated mine waste materials are encountered; those materials will be disposed of at the Butte Silver Bow Mine Waste Repository as specified in the response to Question # 17.
2) Concrete (PCCP) materials may be incorporated into special borrow.
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-27-
Submitted: Friday 16-FEB-2018 04:01 PM
Company: Schellinger Construction Co., Inc.
Contact: Bob Warren
Since the existing slopes in the fill areas on the project are approximately 2:1, and the proposed newly constructed slopes in these areas will also be 2:1, what is MDT’s stance on the compaction requirements for the fill material over the existing slopes? Obviously the upper 3-4 feet of the fill, below Special Borrow grade, which directly supports the widened road section will need to meet compaction requirements. However, is it MDT’s intention to have the entire slope meet a compaction requirement? If compaction is required on the entire fill, the fills would need to be “benched” into the existing, consolidated material to accommodate compaction equipment. This would be a major operation and may cause more harm than good to the existing, in-place soils. Can the fills below this upper 3-4 feet section be consolidated using tracked machinery and be exempt from specific compaction requirements?
Answer
Submitted: Tuesday 20-FEB-2018 02:16 PM
In areas requiring new fill depths of 2 feet or less (when measured perpendicular to the existing ground line), compaction may be accomplished using tracked equipment as directed by the Project Manager. All other cases require construction of fill slopes as specified in Subsection in 203.03.2 Embankment, C. Preparation of Embankment Foundations.
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