Services Committed. Quality, Delivey & Schedule

HYASUN deliver comprehensive engineering and project support solutions across every stage of the project lifecycle—from planning and procurement to construction, commissioning, and operations.Backed by technical expertise and industry best practices, we provide reliable, cost-effective solutions that help clients execute projects safely, efficiently, and successfully.

We services encompass

  • Engineering Support Services

  • Procurement Assistance

  • Expediting Services

  • Inspection Services

  • Construction Supervision

  • Pre-Commissioning & Commissioning Services

  • Technical & Specialized Staffing

  • Technical Resource and Workforce Mobilization

  • Project Management

  • Digital Transformation / Data / IT Solutions

  • Asset Integrity & Compliance Services

  • Project Management

Our commitment to quality, innovation, and compliance enables us to deliver skilled resources, specialized technical services, and effective project management tailored to our clients' needs. 

...................................................................................................................................................................................................................................................................................................................

DETAILED ENGINEERING

PIPING DESIGN

  • Equipment and Piping Layouts

  • Piping General Arrangement Drawings

  • Piping Material Specification

  • Pipe Stress Analysis

  • Piping Load Calculation

  • Surge Analysis

  • Isometrics & MTO

  • Pipe Supports Design

  • Tracing / Jacketing

EQUIPMENT DESIGN (STATIC & ROTING)

  • Equipment Data Sheets

  • Design Calculations

  • Equipment Fabrication Drawings

  • FEM & FEA

  • Package development and Review

CIVIL & STRUCTURAL DESIGN

  • Site Grading

  • Structural Analysis & Design

  • Foundation Design & Detailing

  • Isolated & Pile Foundations

  • Detailed C & S Drawings

  • Underground / General Civil Layouts

  • Connections Design & Detailing

  • 3D Modeling

  • Structural Fabrication Drawings

  • Architectural Drawings

  • BOM / MTO

  • As-built

ELECTRICAL DESIGN

  • Load List

  • Single Line Diagrams

  • Electrical Layouts

  • Specifications – Electrical Equipment

  • Transformer Sizing

  • Substation Engineering

  • Lighting / Earthing / Lightning / Grounding Calculation

  • Short Circuit Calculations

  • Voltage Drop & Cable Sizing

  • Cable Schedule & Tray Layouts

  • System Studies

INSTRUMENTATION DESIGN

  • Instrument Index

  • Specifications & Datasheets

  • Control Valve / PSV sizing

  • Cause & Effect Chart

  • Cable Tray & Instrument Layouts

  • Loop & Hook-up Drawings

  • Logic & Wiring Diagrams

  • Cable Schedule & Installation Drawings

  • Fire & Gas Layouts

  • Telecommunication Layouts

PROCUREMENT ASSISTANCE

  • Enquiry Specification

  • Vendor Evaluation and List preparation

  • Technical Bid Analysis and Evaluation

  • Vendor Documents/Drawings Review

  • Material Requisition

AS-BUILT & ASSET MANAGEMENT

  • 3D Laser Scanning

  • 3D Intelligent Modeling

  • Model Reviews

  • As-built Drawing Deliverables

  • Asset Data Management

HYASUN has special expertise in Engineering greenfield or brownfield or retrofitting projects using the latest high-end 3D Modeling Tools - SmartPlant, PDS, PDMS, E3D, PlantSpace, AutoCADPlant3D and Integration of all disciplines of the plant with dimensional accuracy and clash-free design. We offer

  • Coneptual Studies and FEED

  • Detailed Engineering - Multidiscipline (Process / Mechanical/ Piping / C&S/ E&I)

  • 3D Plant Modelling and Integration(PDS / PDMS / E3D / SP3D / AutoCAD Plant3D)

  • 2D Drawings, Isos, MTOs, Reports & Project devliverables

                     

  • Laser Scanning, As-built 3D Modeling and deliverables

  • Codes and Standards - ASME/ ASTM/ API/ BS/ DIN/ JIS/ IS

  • Engineering Services for Greenfield, Brownfield, and Revamp Projects  

Our services deliver enhanced safety, cost efficiency, operational excellence, and timely project execution, creating lasting value for our esteemed customers. 

PRE-BID ENGINEERING

  • Enquiry Specification

  • Vendor Evaluation and List preparation

  • Technical Bid Analysis and Evaluation

  • Vendor Documents/Drawings Review

  • Material Requisition

BASIC / FEED ENGINEERING

  • PFDs

  • P&IDs

  • Process and Mechanical Data Sheets

  • Preliminary Sizing and Calculations

  • Plot Plans and Layouts

  • Preparation of Design Basis and Specification

  • Process Simulation and Thermal Design for Equipments

  • HAZOP/HAZID/HSE and SIL Studies

  • Fire Water Network Studies

  • Preparation / Updation of P&IDs (CAD as well as Intelligent)

  • Review of Process information and conformation on the adequacy of the facilities envisaged

  • Updating the Process package for further Engineering

  • Safety and Loss Prevention Engineering

Multidisciplinary Engineering Services

Project Support Services

Services

HYASUN provides multidisciplinary engineering design solutions, 3D plant modeling and integration, and project support services across industries such as Oil & Gas, Petrochemicals, Power, Chemicals, Waste-to-Energy, Renewable Energy, and Environmental sectors. We mobilize experienced engineering professionals to meet project-specific requirements, ensuring efficient execution, high-quality deliverables, and timely project completion. Our commitment to technical excellence, reliability, and customer satisfaction enables us to deliver cost-effective engineering solutions tailored to our clients' needs.

We want to sincerely thank you for being one of our most dependable partners. We always find quality, delivery, coordination, and project support satisfactory. We hope that our collaboration with you will continue.

A leading O&G Engineering Company Singapore

★★★★★

HYASUN ENGINEERING PROJECTS PRIVATE LIMITED Puthuval Puthen Veedu, Nediyamcode, Parasuvaikkal Thiruvananthapuram, Kerala, INDIA - 69550855

GET IN TOUCH WITH US

© 2026. All rights reserved.