Upon reviewing the plans for this project, we have determined the requirement for bearing pads, which is summarized below. Br-X281--2 1/2 x 12 x 24--Qty 20 Bearing (Expansion) Br-X631--2 1/4 x 12 x 21--Qty 44 Bearing Type- I Br-X631--2 1/4 x 12 x 21--Qty 44 Bearing Type- II Do these pads require vulcanization with a load plate? Could you please answer our question to help us understand the requirement better?

I'm not seeing any CAD information for the railroad work in the supplemental design data folder. Can you please release all the DGN and XML files that have surfaces, corridors, linework, alignments and all related reference files for this work for takeoff purposes?

For the Steel Piling HP 14x89 for the Railroad Bridge. Per (Section 170b Sheet 6) (Section 170b Sheet 7) it shows that there are 99 pile at a length of 172' among the piers, 12 pile at abutment 5 west wingwall at 160', 10 pile at abutment 5 west wingwall at 153', 12 pile at abutment 1 east wingwall at 160', and 10 pile at abutment 1 east wingwall at 153'. This total amounts to 23,928 LF of pile, but the bid item has a total of 24,071 LF. Please advise on pile quantities.

For the Ground Stabilization Pile 14x89 for the Railroad Bridge. Per (Section 170b Sheet 7) it shows that there is 28 pile at abutment 1 with a length of 70' and 28 pile at abutment 5 with a length of 70' to total 3920 LF . Per the bid item quantity there is 3976 LF of pile. If we were to use 71' pile at each abutment that would provide the total of 3976 LF. Which size pile or quantity would you like us to use?

Per (Section 170A Sheet 74) ( Section 170b Sheet 62) is the formliner patterns to have a smooth background finish or of textured finish in the 2" relief area.

Please provide the following documents referenced in the project RFP SP392(24) Page 2 of 7 & Plan Sheet Section 6 sheet 20. 1. Phase II Environmental Site Assessment 2. Modified Phase I Environmental Site Assessment, ND297 (Demers Avenue) & 42nd Street Grade Seperatiom,2203-00291, ND 297 (Demers Avenue) & 42nd Street, Grand Forks, North Dakota dated August 17th, 2023 3. Environmental Investigation Report, ND 297 (Demers Avenue) & 42nd Street Grade Separation, RCE-FTF-NHU-SU-6-297(014)000; PCN 24115, ND 297 (Demers Avenue) & 42nd Street, Grand Forks, North Dakota, dated July 7, 2025

For the bar grating for the lift station, section 55b sheet 7 called the bar grating to be hot-dipped galvanized, however SP403(24) page 11 of 53 calls the bar grating to be 6061-T6 aluminum. Please clarify material requirements.

Please clarify intent on luminaires required for bridge lighting: As part of Ornamental Light Standard system, Sheet 85-8 and 85-9 list (6) LED Luminaire Type C for I assume L13, L14, L15, L16, L17, L18 shown on Sheet 140-10. It appears these should not be LED Luminaire Type C, but should be LED Luminaire Type B per description on Sheet 6-15 770-P02. As part of Lighting System B, Sheet 140-27 lists (6) LT STD 3FT MA 20FT MT HT BRIDGE MOUNTED for I assume L13, L14, L15, L16, L17, L18 shown on Sheet 140-10. These also appear to be listed in the Ornamental Light Standard total quantity as Ornamental Type A1 shown on Sheet 85-8 and 85-9. Are these duplicated in two different bid items?

Steel Pipe Minimum Thickness for the Spiral Rib Steel Pipe is listed as .172" and .388". Are these values correct? They are outside of the normal gauge ranges.

Will 2 2/3 corrugation be an allowable alternate for the 12" and 15" Spiral Rib Steel Pipe? Steel Pipe Minimum Thickness for the Spiral Rib Steel Pipe is listed as .172" and .388". Are these values correct? They are outside of the normal gauge ranges.