
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.
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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
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