Petrochem Designs
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Service Overview

Specialized Engineering Services

Some questions need a specialist answer. Our senior engineers carry out focused technical studies and independent verification for new projects, modifications and operating facilities — providing documented, code-based conclusions that can be reviewed by owners, insurers and authorities.

We work as a specialist partner to owners, EPC contractors and engineering companies, on a single study or on call-off assignments.

  • Piping stressCAESAR II analysis to ASME B31 codes.
  • Structural assessmentNew design, checks and strengthening.
  • Electrical studiesLoad flow, short circuit and coordination.
  • Independent verificationCode-based design reviews and audits.

Codes & standards

  • ASME B31.3 / B31.1 / B31.4 / B31.8
  • WRC 107 / 297
  • API 610 / 617 / 661
  • AISC 360
  • IEC 60079
  • IEC 61511
  • NFPA 70

Software & tools

  • CAESAR II
  • STAAD.Pro
  • ETAP
  • Mathcad
  • MS Excel calculation sheets
Multi-Discipline Delivery

One team, every discipline

How each engineering discipline contributes to Specialized Engineering — coordinated through one lead engineer, one model and one document register.

  • 6Disciplines
  • 1Integrated model
  • 4-levelChecking
Discipline 1 of 6

Piping & Layout

Performs piping flexibility and stress analysis to ASME B31.

Key deliverables

  • CAESAR II stress analysis
  • Nozzle load checks (WRC 107 / 297)
  • Special support design
  • Expansion joint selection
Discipline 2 of 6

Mechanical (Static & Rotating)

Checks rotating and static equipment against code limits.

Key deliverables

  • API 610 / 617 nozzle load checks
  • Vessel and tank checks
  • Air cooler assessments (API 661)
  • Fitness-for-service support
Discipline 3 of 6

Civil & Structural

Designs and assesses structures and foundations.

Key deliverables

  • Structural design (STAAD.Pro)
  • Existing structure assessment
  • Strengthening design
  • Dynamic foundation checks
Discipline 4 of 6

Electrical

Performs power system studies.

Key deliverables

  • Load flow and short circuit (ETAP)
  • Protection coordination
  • Arc flash studies
  • Motor starting studies
Discipline 5 of 6

Instrumentation & Control

Supports functional safety and control system engineering.

Key deliverables

  • SIL verification
  • Control valve sizing
  • Alarm management review
  • Safety requirement specifications
Discipline 6 of 6

HSE & Process Safety

Carries out independent safety and code compliance reviews.

Key deliverables

  • Design audits
  • Code compliance reviews
  • Hazardous area checks
  • Third-party verification
Mechanical & Piping

Stress analysis & integrity

Piping systems and equipment connections are verified for all sustained, thermal, occasional and transient load cases.

  • Pipe stress analysis in CAESAR II to ASME B31.3 / B31.1 / B31.4 / B31.8
  • Nozzle load checks to API 610, API 617, API 661 and NEMA SM23
  • Flange leakage, WRC 107 / 297 local stress checks
  • Pipe support design and special support calculations
  • Material selection and corrosion allowance inputs
Structural & Civil

Structural assessment

Structures and foundations are designed or assessed for new equipment, modifications and life-extension projects.

  • Structural analysis and design in STAAD.Pro to AISC 360 / IS 800 / Eurocode 3
  • Equipment and machine foundation design, including dynamic analysis
  • Assessment of existing structures for additional loads
  • Strengthening and modification design
  • Pipe rack and platform design checks
Electrical, C&I & Safety

Safety & compliance studies

Independent studies confirm that electrical, control and hazardous-area designs meet the governing codes.

  • Hazardous area classification to IEC 60079-10-1 / API RP 505
  • Load flow, short circuit and relay coordination studies in ETAP
  • SIL determination and verification support to IEC 61511
  • Control system and instrumentation design reviews
  • Independent design verification and technical audits
FAQ

Frequently asked questions

Which specialist studies do you offer?

Pipe stress analysis, nozzle load and local stress checks, structural design and assessment, hazardous area classification, electrical system studies, SIL support, design reviews and technical audits.

Which software is used for these studies?

Typically CAESAR II for piping stress, STAAD.Pro for structures and ETAP for electrical systems, with project-specific tools as required.

Can you verify designs prepared by other companies?

Yes. Independent design verification and third-party review are a core part of this service.

Do you support operating and ageing plants?

Yes — modification studies, fitness-for-service inputs, structural reassessment and life-extension support.

Which codes do you follow?

The codes specified for the project, such as ASME B31, API, AISC, IS, Eurocode, IEC and NFPA, together with client standards.

Let's Start

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  • ISO 9001:2015 Certified
  • Offices in USA & India
  • Codes & Standards Compliant