Targeted RFI — Q-TEST

Project: Q-TEST | Customer/EPC: ADNOC | Date: 2025-08-13 To: EPC Buyer Subject: Request for Information — Q-TEST

Items

• Topic: Power Supply
  • Observation: Offer shows 230/240 VAC 1Φ (immersion heater) and 415 VAC 3Φ (chiller, provides 230 VAC feed).
  • Evidence: Offer (Q-TEST-1), line: Power; ADNOC Instrumentation Specification (4422-JK-SE-000000180001_00), p.12, Sec 4.3.
  • Question: Please confirm site distribution and intended feed path (chiller‑feeds‑shower acceptable?), or preferred adjustment.
• Topic: Hazardous Area Class/T‑class
  • Observation: Offer indicates overall IIB T4; Datasheet Note 7 requires IIC T3 for H₂ units across all electrics/instruments.
  • Evidence: Offer (Q-TEST-1), Haz Area; Project Datasheet (2-MM5173-40-SPE-1907-00), p.2, Note 7.
  • Question: Please confirm classes per component (switches, alarms, JBs) and provide certificates.
• Topic: Ingress Protection
  • Observation: Motor IP55; instrumentation baseline ≥ IP65.
  • Evidence: Offer (Q-TEST-1), IP; ADNOC Instrumentation Specification (4422-JK-SE-000000180001_00), p.12, Sec 4.3.
  • Question: Please confirm acceptance or specify upgrade.
• Topic: EMC/Surge & Tests
  • Observation: IFAT/CIT/SIT not explicitly listed in offer.
  • Evidence: ADNOC Instrumentation Specification (4422-JK-SE-000000180001_00), p.12, Sec 4.3; Offer (Q-TEST-1).
  • Question: Please confirm compliance with IEC 61000/61326, IEC 62305 and inclusion of FAT/SAT/IFAT/CIT/SIT in scope.
• Topic: AVL/Sub‑vendors
  • Observation: Offer requests sub‑vendor flexibility; project requires AVL.
  • Evidence: ADNOC Instrumentation Specification (4422-JK-SE-000000180001_00), AVL; Offer (Q-TEST-1).
  • Question: Please advise approved alternates or confirm AVL exception process.