Analysis Summary:

The article's core claim about the Army placing metal plates on DC streets is plausible, but the provided sources do not directly confirm or deny it. The sources are mostly unrelated to the specific claim, focusing on general Army regulations and manuals. Therefore, the factual accuracy is mixed due to a lack of direct verification. A slight bias might be present due to the potential for sensationalizing military activity.

Detailed Analysis:

• Claim:** The Army will place large metal plating at key points on Washington's streets.
  • Verification Source #1: Fails to cover this claim. It discusses workplace safety standards.
  • Verification Source #2: Fails to cover this claim. It discusses historical military campaigns.
  • Verification Source #3: Fails to cover this claim. It discusses levee design and construction.
  • Verification Source #4: Fails to cover this claim. It discusses hazardous materials regulations.
  • Verification Source #5: Fails to cover this claim. It discusses erosion and sediment control.
  • Internal Knowledge:* While I have no specific knowledge about this particular event, it is plausible that metal plating could be used to protect streets during military parades involving heavy vehicles. However, without direct verification, this remains speculative.

Supporting Evidence/Contradictions:

• The provided sources do not offer any supporting evidence or contradictions regarding the claim about metal plating on DC streets. All sources are unrelated to the specific claim.
• Internal Knowledge:* The plausibility of the claim is based on general knowledge of engineering practices and military logistics, but this is not a substitute for direct verification.