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retro fitting thrie beam approaches

Question
State	WI
Description Text	I have some material questions. See attached

System Performance Evaluation

System Types
Approach Guardrail Transitions (AGTs)

Applications

System Features

Date March 18, 2014
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Attachment Pages from TRP-03-266-12 thrie beam retro fits.pdf

Response
Response (active)	Part a1: Yes, the beam can be A36 or A992 steel Part a2: Yes, the posts can be A36 or A992 steel Part a3: Yes, the plate can be A36 or A992 steel Part b1: Yes, a standard hex head ASTM A563 grade A nut Grade2 steel refers to SAE J429 Grade 2 for the bolt Part b3: Yes, Standard guardrail nut Part b4: Use F844 wahsers, I don’t know why Grade 2 is included in the B.O.M. may have been a typo

Response

Response
(active)

Part a1: Yes, the beam can be A36 or A992 steel

Part a2: Yes, the posts can be A36 or A992 steel

Part a3: Yes, the plate can be A36 or A992 steel

Part b1: Yes, a standard hex head ASTM A563 grade A nut

Grade2 steel refers to SAE J429 Grade 2 for the bolt

Part b3: Yes, Standard guardrail nut

Part b4: Use F844 wahsers, I don’t know why Grade 2 is included in the B.O.M. may have been a typo

Date March 18, 2014
Previous Views (109) Favorites (0)