Thank you so much for completed document that you sent but we have some questions regarding attached Appendix-E in blue tab which need you to clarify.
1. Vent plug : As we know the customer will connect top vent to balancing line when installation like his P&ID but Appendix-E shows not provide plug that is different from your offer ref THA-1647 FO rev 8 show complete with plug. However our customer needs plug at top vent so please provide as requirement. Please confirm
2. Bolting : In appendix-E Armstrong puts OK for A193 Gr B7 / A194 Gr 2H HVY. HEX.NUT, HOTDIP GALVANISED but your offer ref THA-1647 FO rev 8 shows A193-B7M/A194-2HM+HDG so please confirm which material Armstrong will offer for bolting?
3. Pressure Test : In appendix-E, Armstrong put no hydrotest pressure 90 bar without float + airtest with float but it conflict with your offer that has hydro static test as per procedure tes009e and test duration shall be 10 minutes as per ASME B31.3 requirement. Now we are confusing will you have hydrotesting or not?