This is a confirmation of the 4 inch EGP plate from blueprint
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argument 606:446::5.5:<val>
<val> = 4.04
rnd (.02)
<val> = 4.00
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argument 606:83::<val>:0.75
<val> = 5.48
rnd(.02)
<val> ODCH = 5.50
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This would be interpreted as assuming D9 <val> ODOT = 5.5
then diameter if EGP grounding plate is 4.00
