Q A_10_13.pdf
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- AK USFS 2060(1), Naukati Road Reconstruction
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- DTFH70-15-B-00009
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Q A 10/13/2015
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# General Technical Question Answer 1 x Would you take in consideration Polymer coated corrugated metal pipe or Aluminized Type II corrugated metal pipe in substitution of Aluminum corrugated pipe diamters 60”, 72”, 84” and 108” specified on this project.
Aluminum pipe is getting less specified throughout our industry and is very expensive compared to the other two we are suggesting and very costly to inventory aluminum coil that we rarely use.
We will not be changing our specifications for this project
2 x
How many metal flared end sections will be required on the plastic pipe per the note on the bottom of plan sheets G.1 and G.2
All ditch-relief culverts should have flared end sections.
3 x Per the detail Type II on sheet G.16 some will require a 45 degree bend
The Type II design detail on sheet G.16 was not used.
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AK USFS 2060(1)
Naukati Road Reconstruction
Sheet1
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