Rev. 14 · October 2026

Engineering Portfolio

Code-compliant, independently checked, fabrication-ready engineering for oil & gas and industrial projects — design, simulation and documentation delivered from our engineering center in India with in-Kingdom delivery in Saudi Arabia.

80+Project references
8Disciplines
20+Codes & standards
3-levelChecking

Sky Line Engineering & Technology Private Limited · CIN U71100TN2026PTC199170 · KSA Delivery Partner: Advanced Times General Contracting Co.

SLETEC Engineering Portfolio cover — Sky Line Engineering & Technology Private Limited. Company profile, project references, design evidence. Design, simulate, optimise, deliver. CIN U71100TN2026PTC199170, PAN ABVCS3910N, KSA partner Advanced Times General Contracting Co. C.R. 1010604936. Rev. 14, October 2026.
61 SHEETSCompany · Capabilities · Evidence · References
01

Chapter 01

Overview

Why clients choose SLETEC, a message from the Director and a guide to this portfolio.

02Overview

Executive Summary

Why clients choose SLETEC for critical engineering work

A registered engineering company delivering code-compliant, fabrication-ready engineering for industrial clients in Saudi Arabia, India and beyond.

SLETEC combines a dedicated engineering center in Tiruchirappalli with in-Kingdom delivery through its Riyadh partner. Clients receive one coordinated team for design, analysis, documentation and verification — with every deliverable checked, controlled and traceable.

Proven technical depth

Selected project evidence across tanks, pressure equipment, structural engineering, impact simulation and CFD.

International codes

API, ASME, TEMA, AISC, AWS, EN and Saudi Building Code applied to the approved design basis.

Controlled quality

Documented design control, document numbering and three-level checking before every issue.

Registered & accountable

MCA-registered private limited company (CIN U71100TN2026PTC199170) with a C.R.-registered KSA delivery partner.

A CURATED SELECTION - NOT SLETEC'S COMPLETE PROJECT HISTORYExperience extends from focused technical assignments to major multidisciplinary industrial projects. Many client-sensitive engagements are omitted in accordance with confidentiality and NDA obligations.
02

Chapter 02

Barrier engineering

Fence and aerial-barrier engineering, with the technical alignment matrix.

04Barrier engineering

Fence / Aerial Barrier Engineering

Translating high-consequence loading scenarios into traceable design decisions

DYNAMIC RESPONSE

Nonlinear transient loading • impact orientation • contact and large deformation

BLAST RESPONSE

Pressure/impulse histories • structural response • critical-clearance assessment

STRUCTURAL RESILIENCE

Global load redistribution • member / connection demands • support and foundation interfaces

REVIEW BASIS FROM CUSTOMER REQUIREMENTS

UAV reference≥200 kg  |  ≥250 km/h  |  normal & oblique
Standoff / blast≥50 kg explosive payload; ≥10 m minimum stated for new facilities; verify site-specific assessment
Design methodsMaterial/geometric nonlinearity • rate effects • large deformation • local damage • load redistribution

Requirements are a project design basis, not evidence of completed UAV interception or validated final barrier performance.

05Barrier engineering

Technical Alignment Matrix

Relevant methods and evidence - subject to project-specific engineering and verification

REQUIREMENTRELEVANT EVIDENCECAPABILITY SHOWNPROJECT HOLD POINT
Normal / oblique UAV impactRelated tower-impact and drop-analysis examplesExplicit transient modelling; response and force transferDedicated UAV / net / cable assessment
Nonlinear transient responseLS-DYNA skid-drop and tower-strike studiesImpact acceleration, deformation and load pathsNet / cable / post dynamics and connections
Blast response & standoffPublished blast benchmark comparisonPressure / impulse and deflection correlationSite-specific loading and clearance checks
CFD and surroundingsUAV rotor CFD + building wind / thermal CFDExternal flow and loading insightSite wind / terrain conditions as required
Validation / assuranceMesh checks, energy balance, independent QATransparent assumptions and result checksClient-agreed acceptance and formal review

Note: Prior simulations establish experience; final UAV and blast acceptance requires approved inputs and verification.

03

Chapter 03

Dynamics & impact

Tower dynamics, skid drop, nonlinear blast response and benchmark comparison.

06Dynamics & impact

DYNAMIC SIMULATION | SELECTED EVIDENCE

40 M Structural Tower

Wind, response-spectrum seismic assessment and accidental crane-impact response.

ENGINEERING BASIS

Modal frequencies and mode shapes; wind and seismic actions; impact response; bolt, weld and anchor forces; global drift and stability checks.

Tower configuration from supplied simulation example.

07Dynamics & impact

EXPLICIT DYNAMICS | SELECTED EVIDENCE

Skid Drop Response - LS-DYNA

Short-duration contact, impact acceleration, shock transmission and local permanent deformation.

ANALYSIS CAPABILITIES

Corner, edge and flat drop cases; impact velocity; frictional contact; mounting-point acceleration histories; deformation, stress and equipment g-limit checks.

08Dynamics & impact

BLAST SIMULATION | METHODOLOGY

Nonlinear Blast Response

Illustrative method: blast pressure development, reflected impulse and coupled structural deformation.

METHODS DESCRIBED IN SOURCE

CONWEP-based incident blast input, LOAD_BLAST_ENHANCED and MM-ALE. Structural coupling, reflection at boundaries and material nonlinearity require validation against a controlled design basis.

09Dynamics & impact

BLAST VALIDATION | PUBLISHED REFERENCE

Blast Benchmark - Test Comparison

Literature-referenced verification example, not a claim of an independently conducted SLETEC field test.

REFERENCE

Han & Liu (2015), Shock and Vibration, and Boyd DSTO-TN-0270 (2000). Published comparison reports a 33 mm test deflection against 32.4 mm (Simulation I) and 36 mm (Simulation II). Peak pressure differences are documented in the cited reference.

04

Chapter 04

CFD & CAE studies

Seventeen flow, thermal and mechanical simulation studies — objective, method and outcome.

10CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Uav Propeller Thrust & Optimisation

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Enhance propeller aerodynamic efficiency to improve UAV flight endurance. Predict thrust accurately under real-world operating conditions using CFD

TECHNICAL METHOD

Used CFD to simulate thrust, torque, and pressure distribution. Optimized blade geometry to maximize lift and reduce drag losses

ENGINEERING OUTCOME

Increased thrust output with reduced aerodynamic losses.

UAV/rotor aerodynamic case: illustrates CFD expertise; not UAV impact or blast certification.

11CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Quadcopter Wake Study

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Analyze rotor wake interaction and downwash effects. Understand aerodynamic interference impacting stability and lift

TECHNICAL METHOD

Simulated full quadcopter rotor flow using transient CFD models. Visualized velocity fields and vorticity patterns to assess interference zones

ENGINEERING OUTCOME

Improved quadcopter flight stability in hovering and maneuvering. Optimized rotor spacing for balanced lift and efficiency

UAV/rotor aerodynamic case: illustrates CFD expertise; not UAV impact or blast certification.

12CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - External Building & Terrain Thermal Flow

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Evaluate wind flow and temperature distribution around buildings and terrain. Assess solar heat gain and outdoor thermal conditions.

TECHNICAL METHOD

CFD analysis of external airflow, temperature contours and surface heat flux. Evaluated wind velocity, pressure distribution and thermal interaction with building facades and roofs.

ENGINEERING OUTCOME

Identified outdoor hot spots and heat accumulation zones. Supported building orientation and façade design optimization. Improved outdoor thermal environment and energy-efficient design.

UAV/rotor aerodynamic case: illustrates CFD expertise; not UAV impact or blast certification.

13CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Data Centre Cooling & Thermal Flow

Representative engineering work: modelling, analysis methodology and documented findings.

FULL SOURCE IMAGE - NO TECHNICAL CONTENT CROPPED

OBJECTIVE

Evaluate airflow and temperature distribution within data center server rooms. Assess cooling performance, server inlet temperatures and hot-air recirculation.

TECHNICAL METHOD

CFD analysis of server racks, perforated floor tiles, cooling units and hot/cold aisle configurations. Evaluated airflow velocity, temperature contours, pressure distribution and rack inlet temperatures.

ENGINEERING OUTCOME

Improved server inlet temperature uniformity and thermal management. Reduced hot spots and hot-air recirculation. Identified opportunities to improve cooling efficiency and reduce energy consumption.

14CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Farmhouse Mist Evaporative Cooling

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Evaluate evaporative cooling performance of a water misting and fan system in farmhouse outdoor and semi-open spaces.

TECHNICAL METHOD

Developed CFD simulations using the Discrete Phase Model (DPM) to track water droplets, evaporation and spray dispersion.

ENGINEERING OUTCOME

Quantified evaporative cooling potential and temperature reduction around farmhouse living areas. Optimized nozzle placement and droplet size for improved evaporation and cooling coverage.

15CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Slip Ring Motor Cooling

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Determine system curve for 800 kW slip ring motor. Estimate cooling air flow rate for effective heat dissipation

TECHNICAL METHOD

Analyze airflow and pressure head across multiple flow rates. Mixed flow fan design was modified with suitable flow guides to meet the cooling flow requirements

ENGINEERING OUTCOME

Reduced recirculation zones, enhancing fan efficiency. Identified required airflow and pressure for safe operation. Enabled accurate system curve for future fan design refinement

16CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Shell & Tube Heat Exchanger

Representative engineering work: modelling, analysis methodology and documented findings.

FULL SOURCE IMAGE - NO TECHNICAL CONTENT CROPPED

OBJECTIVE

Improve the shell-and-tube heat exchanger thermal effectiveness to enhance thermal performance and reduce pressure drop.

TECHNICAL METHOD

Performed CFD simulation of shell-side and tube-side flow with guided baffle design and tube bundle layout.

ENGINEERING OUTCOME

Achieved improved heat transfer rate and more uniform flow across the tube bundle, reducing hot-spots and fouling. Reduced pressure drop and structural stress, extending life-cycle and lowering maintenance costs.

17CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Inlet Swirl Vanes

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

POC test for swirl vanes. Introduce strong swirl at the motor inlet

TECHNICAL METHOD

Analysis revealed the velocity profiles. CFD used to optimize vane angle, length and placement

ENGINEERING OUTCOME

Desired swirl ratio with minimal design iterations. Increased component life and reduced maintenance

18CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

Cht Analysis of a Hair Dryer

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Evaluate dry rate at standard distances. Study impact of attachments on airflow and temperature

TECHNICAL METHOD

Performed CFD simulations including heating elements and airflow. Analyzed multiple nozzle designs

ENGINEERING OUTCOME

Minimized need for physical testing. Enabled faster design optimization. Saved time and development cost

19CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Co-Rotating Twin Screw Pump

Representative engineering work: modelling, analysis methodology and documented findings.

FULL SOURCE IMAGE - NO TECHNICAL CONTENT CROPPED

OBJECTIVE

Analyse polymer flow characteristics and pressure. Optimize screw geometry for uniform melt distribution and minimized power loss.

TECHNICAL METHOD

Implemented dynamic mesh motion to capture screw rotation. Conducted conjugate heat transfer (CHT) to evaluate wall temperature uniformity and cooling performance.

ENGINEERING OUTCOME

Improved mixing efficiency and melt homogeneity. Reduced pressure pulsations and thermal degradation. Enhanced overall volumetric efficiency by ~2-4%.

20CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Air Booster Pump

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Evaluate the performance and pressure-boost characteristics pneumatic air-booster system. Optimize the flow path and booster valve operation to maintain target output pressure under varying load.

TECHNICAL METHOD

Built a steady/transient pneumatic flow model of the booster module including valve dynamics, piping volumes and leakage paths.

ENGINEERING OUTCOME

Achieved more consistent output pressure under variable input flows. Reduced booster valve switching frequency, leading to improved longevity and system stability.

21CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD & FEA - Oil Gear Pump

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Improve the oil-pump housing design to enhance lubrication performance and reduce leakage engine systems.

TECHNICAL METHOD

Geometry iterations (gallery smoothing, rib additions, thickness optimisation) and structural FEA were employed to optimise flow, thermal and mechanical performance

ENGINEERING OUTCOME

Enhanced flow uniformity reduced stagnant zones, while improved thermal and structural performance lowered risk of leakage and deformation—leading to cost and reliability gains.

22CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Kaplan Micro-Hydro Turbine

Representative engineering work: modelling, analysis methodology and documented findings.

FULL SOURCE IMAGE - NO TECHNICAL CONTENT CROPPED

OBJECTIVE

Design a compact Kaplan turbine for micro-hydro power generation. Ensure reliable 1 kW power output with minimal energy losses

TECHNICAL METHOD

Optimized blade angles for better flow guidance and efficiency. Simulated flow using CFD to evaluate pressure and velocity fields

ENGINEERING OUTCOME

Achieved 1 kW output with 96.5% hydraulic efficiency. Validated overall turbine performance with 82% system efficiency

23CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Double-Stage Centrifugal Pump

Representative engineering work: modelling, analysis methodology and documented findings.

FULL SOURCE IMAGE - NO TECHNICAL CONTENT CROPPED

OBJECTIVE

Design a double stage centrifugal pump for 5.4 CMH flow rate. Achieving desired head within compact double-stage configuration

TECHNICAL METHOD

Optimized blade angles and diffuser shape for head and flow. Performed CFD analysis to evaluate pressure rise and flow uniformity

ENGINEERING OUTCOME

Delivered optimized design with reliable 3 kW operational performance. Improved internal flow and reduced hydraulic and mechanical losses

24CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - Rooftop Wind Turbine (1 Kw)

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Develop a compact 1 kW wind turbine for urban rooftop use

TECHNICAL METHOD

Used CFD analysis to optimize blade aerodynamics and rotor efficiency. Fabrication and validation studies with grid interaction

ENGINEERING OUTCOME

Compact, sustainable solution for urban renewable power generation. Improved power reliability with enhanced aerodynamic performance

25CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD - 2D Cd Thrust-Vectoring Nozzle

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Design a complete 2D convergent-divergent nozzle yaw vectoring system with actuators.

TECHNICAL METHOD

Conducted 3D CFD simulations for nozzle and transition duct. Evaluated vectoring angles, pressure contours, and thrust output under off-design cases. Developed the actuation mechanism design.

ENGINEERING OUTCOME

The CFD results were validated against test data and was found to be in good agreement.

26CFD & CAE studies

ADVANCED ENGINEERING | TECHNICAL CASE STUDY

CFD & Cht - Aero Gas Turbine Combustor

Representative engineering work: modelling, analysis methodology and documented findings.

SOURCE IMAGE | UPPER DETAIL
SOURCE IMAGE | LOWER DETAIL

OBJECTIVE

Design a high-efficiency combustion chamber for aero gas turbine application. Ensure low pressure loss and uniform temperature distribution at turbine inlet

TECHNICAL METHOD

Used CFD and CHT simulations to optimize primary and dilution zones & CHT Simulation for Heat transfer studies. Tuned swirler configuration and hole patterns for efficient mixing and flame stability

DESIGN CHALLENGES

Balancing compact design with performance and maintainability requirements. Minimizing pressure loss across combustor while ensuring effective mixing.

05

Chapter 05

Expertise

Senior structural engineering profiles behind high-consequence design and verification.

27Expertise

Expertise & Experience

Senior structural engineering profiles relevant to high-consequence industrial design and verification

THAM

16+ YEARS

STRUCTURAL ANALYSIS SPECIALIST / BDM

B.E. Civil Engineering

  • Steel and concrete structures, pipe racks, skids
  • Wind / seismic, lifting and transportation analysis
  • Foundation, structural connection and anchor design
  • Design checking to AISC, ACI, ASCE, SBC and SAES

ENGINEERING TOOLS

STAAD.Pro • SACS • ETABS • SAFE • Tekla

MANUVEL

22+ YEARS

LEAD CIVIL / STRUCTURAL ENGINEER

M.Tech. Structural • B.E. Civil • M.B.L.

  • Steel/concrete, industrial and offshore structures
  • Dynamic wind / seismic and structural review
  • IFC, vendor drawings and constructability checking
  • Technical coordination and engineering leadership

ENGINEERING TOOLS

STAAD.Pro • ETABS • SAFE • SACS • MIDAS

RENGASAMY

CIVIL & STRUCTURAL ENGINEERING

19 YEARS

Experience in civil and structural engineering
Structural design, analysis and engineering support.

01

SECTION 01

Company

A registered engineering company with an India engineering center and in-Kingdom delivery in Saudi Arabia.

INDIARegistered engineering delivery company
2Delivery bases: Riyadh · Tiruchirappalli
15+Years team experience

29Company

Corporate Registration & Credentials

Statutory registration details of SLETEC and its Saudi delivery partner

INDIA — REGISTERED COMPANY

Sky Line Engineering & Technology Private Limited

Corporate Identity No.
U71100TN2026PTC199170
Registered under
Companies Act, 2013 · company limited by shares · Ministry of Corporate Affairs
Delivery model
India engineering office + KSA coordination
PAN
ABVCS3910N (Income Tax Department)
Directors
Jayaprakash Muthuvel · Raji Chellapandiyan
Registered office
D-46, 8th Cross West, Thillai Nagar, Tiruchirappalli – 620018, Tamil Nadu, India
Engineering center
1/N No. 32, Keela Street, Mela Sridevi Mangalam, Manachanallur Post, Tiruchirappalli Rural – 621005, Tamil Nadu
Registered objects
Multidisciplinary engineering, design, technical consultancy and project services in India and overseas, including Saudi Arabia and GCC

KINGDOM OF SAUDI ARABIA — DELIVERY PARTNER

Advanced Times General Contracting Co.

Commercial Registration
C.R. 1010604936
VAT registration
311109717400003
Unified number
7003995698
Chamber of Commerce
Riyadh Chamber · Member No. 339738
Civil Defense licence
No. 100000503 (valid to 08/01/2028)
Office
Office 14/A, 2nd Floor, Rasheed & Othaim Center, Salah Al-Din St. (60), Al Malaz, Riyadh 12642
Role
In-Kingdom contracting entity, client interface, site coordination

Engineering

Design, analysis and documentation delivered by SLETEC

Contracting

KSA contracts and registrations through ATC

Separate entities

Each company responsible for its own obligations

Verification

Registration details verifiable at mca.gov.in

30Company

Company Profile & Customer Value

Engineering support for industrial assets, equipment packages and fabrication-ready deliverables

WHO WE ARE

  • Multidisciplinary engineering partner for industrial design, analysis, CAD, fabrication documentation and project support.
  • Coverage spans new equipment, brownfield modification, reverse engineering, verification and client-submission packages.
  • Engineering coordination and delivery across Saudi Arabia and India, with a dedicated engineering center in Tiruchirappalli.

CUSTOMER VALUE

  • Single engineering interface from RFQ review through to final deliverables.
  • Controlled design basis, assumptions, revision status and interdisciplinary checking on every job.
  • Fabrication-ready drawings, calculations, BOM/MTO and closeout documentation.
  • Surge capacity for EPC contractors and owners, working to client procedures.

OUR COMMITMENT

  • Right first time — independent checking before every issue.
  • Code compliance — work to the approved design basis and applicable codes.
  • Confidentiality — client data handled on a need-to-know basis.
  • Responsiveness — clear scope, schedule and communication from RFQ.
15+Years engineering experience across the team
DIVERSECross-sector engineering
CAE / FEARepresentative analysis studies
6Industry sectors served
2Countries: Saudi Arabia · India

02

SECTION 02

Capabilities

Eight engineering disciplines, eight analysis methods and the international codes that govern them.

8Engineering disciplines
20+Codes & standards applied
6Industry sectors

32Capabilities

Engineering Services

Eight core disciplines delivered by one coordinated engineering team

DISCIPLINESCOPE OF SERVICESTYPICAL DELIVERABLES
Storage tanks & silosNew tank design, roofs, shells, bottoms, nozzles, anchors, access; repair, alteration, bulging and failure investigation; silo structural and flow studiesCalculations, GA & fabrication drawings, repair procedures, FEA reports
Pressure vessels & static equipmentVessels, separators, filters, reactors, adsorbers; nozzle and local stress; lifting devices; fatigue and creep evaluationDesign calculations, data sheets, FEA & fatigue reports
Heat exchangersShell-and-tube thermal and mechanical design, rerating, nozzle-load assessment, bellows replacementThermal/mechanical calcs, TEMA sheets, drawings
Piping & process systemsLayouts, isometrics, supports, tie-ins, flexibility and stress analysis, waterhammer, GRP pipingStress reports, support details, isometrics
Structural & civilPlatforms, racks, stairs, supports, anchors, foundations, skids; wind and seismic checks; vibration assessmentStructural calcs, steel & foundation drawings, MTO
Engineering analysisLinear/non-linear FEA, buckling, modal/harmonic, fatigue, explicit impact, CFD flow and particle studiesAnalysis reports with basis and acceptance criteria
Reverse engineering & fabricationField-to-CAD reconstruction, 3D modelling, shop drawings, BOM and cutting lists3D models, manufacturing drawings, BOM/MTO
Inspection, FFS & QA/QC documentsFitness-for-service, inspection and tolerance validation, ITP/QCP, NDT plans, MDR dossiersFFS reports, ITP/QCP, MDR/NMR, as-built records

33Capabilities

Analysis Capabilities & Methods

Analysis types used to verify designs, assess damage and support engineering decisions

Linear & non-linear static

Stress, deformation, plastic collapse, local stress at nozzles and supports

ASME VIII Div. 2 Part 5, WRC 107/537

Buckling

Shell, roof and structural stability under external pressure, wind and vacuum

API 650, ASME VIII, EN 1993

Modal & harmonic

Natural frequency, mode shape and forced response of skids, platforms and equipment

Project criteria, OEM limits

Fatigue & creep

Cyclic pressure, thermal and nozzle loads; weld fatigue; high-temperature creep

ASME VIII Div. 2, EN 13445

Explicit dynamics

High-velocity impact, penetration and erosion; drop and crash events

Ansys Explicit Dynamics

Thermal-mechanical

Temperature fields and thermal stress in coolers, drives and furnace components

Project specification

CFD

Pressure drop, velocity fields, venting, transient flow and silo discharge

Project specification

Fitness-for-service

Damage assessment, bulging, corrosion and remaining-life evaluation

API 579-1 / ASME FFS-1

TOOLS ON REFERENCED PROJECTS

Ansys Workbench (Mechanical, Explicit Dynamics) · Ansys SpaceClaim · 3D CAD and 2D drafting tools to client requirements · hand calculations and code-based spreadsheets for independent verification

34Capabilities

Codes, Standards & Engineering Coverage

International codes applied across SLETEC engineering assignments

API / TANKS

API 650, API 620, API 653, API 2000, API 579 / ASME FFS-1

Tanks, roofs, shells, bottoms, nozzles, anchors, access systems and repair engineering.

ASME / STATIC EQUIPMENT

ASME VIII Div. 1 & 2, ASME II, V & IX, TEMA, WRC 107/537, EN 13445, PD 5500

Pressure vessels, exchangers, separators, filters, reactors, adsorbers and local-stress checks.

PIPING / PROCESS

ASME B31.3, ASME B31.1, ISO 14692, NACE MR0175 / ISO 15156

Layouts, isometrics, supports, tie-ins, flexibility, waterhammer and GRP systems.

STRUCTURAL / CIVIL

AISC 360, AWS D1.1/D1.6, ACI 318, ASCE 7, SBC, Eurocode / BS, ASTM / EN

Platforms, racks, stairs, supports, anchors, foundations, wind and seismic verification.

QA / NDT / COATING

ASNT SNT-TC-1A, ISO 9712, ISO 12944, ISO 8501-1, SSPC / NACE

ITP/QCP, NDT plans, material traceability, coating systems and release dossiers.

DOCUMENT CONTROL

NMR, MDR, MRB, MTO, BOM, BOQ, redline, as-built and closeout registers

Controlled issue, revision, transmittal and customer-submission support.

35Capabilities

Industries & Typical Assets

Sectors and asset types covered by SLETEC project references

Oil & Gas

Refineries, storage terminals, process plants

Tanks, vessels, piping, pig traps, FCC and H2 reactors

Petrochemical

Process units and utilities

Exchangers, adsorbers, separators, filters

Power

Steam systems and auxiliaries

Steam piping, coolers, silencers, drive trains

Water & Desalination

Treatment and fire-water systems

GRP piping, water tanks, fire-water pump skids

Mining & Cement

Bulk handling plants

Silos, batching plants, conveyors, structures

Manufacturing

Fabrication and machinery

Chassis, booths, skids, reverse engineering

36Capabilities

Capability Matrix

Disciplines across the asset lifecycle — from concept through fabrication and site support

DISCIPLINECONCEPT & BASICDETAILED DESIGNANALYSIS & VERIFICATIONREPAIR / FFSFABRICATION DOCUMENTSSITE & VENDOR SUPPORTTYPICAL ENGINEERING DELIVERABLES
Storage tanks & silosTank / roof FEA
GA + detail drawings
Pressure vessels & static equipmentVessel verification
Design calculations
Heat exchangersThermal rerating
Mechanical checks
Piping & process systemsFlexibility review
Support / layout details
Structural & civilStructural FEA
Steel / foundation calcs
Engineering analysis (FEA / CFD)FEA / CFD / dynamics
Verified reports
Reverse engineering3D CAD and as-built
Fabrication drawings
Inspection, FFS & risk studiesFFS / inspection
QA/QC dossiers

Core capability On request / with partners Capability matrix; the project examples presented are a non-exhaustive selection.

03

SECTION 03

Project Evidence

A selected view of a substantially wider engineering record. From targeted analyses to major industrial engineering packages; confidential client assignments are intentionally not shown.

DEPTHEngineering experience
BREADTHAcross multiple sectors
FEA / CFDSpecialist case evidence

38Project evidence

API Storage Tanks, Silos & Bulk Systems

New tank design, structural verification and silo engineering

API 650 Tank 3D Design

General arrangement with roof structure, shell courses, stairway, top platform and access interfaces.

REF. 04 · 74 · DETAILED DESIGN

Tank Roof & Shell FEA

Total deformation, stress, buckling and serviceability evidence for roof stiffness and maximum displacement.

REF. 16 · 40 · FEA

Silo General Arrangement

Design data, nozzle schedule, material specification and fabrication basis for a cement silo.

REF. 05 · FABRICATION BASIS

SCOPE

Tank sizing, shell/roof/bottom design, nozzles, anchors, access systems

CODES

API 650 · API 620 · API 2000 · ASCE 7

DELIVERABLES

Calculations, GA & fabrication drawings, FEA reports

39Project evidence

API 650 Roof Access, Hydrostatic & Safety Verification

Access arrangements, load paths and high specific-gravity loading

Roof Safety & Access Arrangement

Scaffold, fall-protection and tank-roof interface for access through a roof manhole.

REF. 77 · SAFETY VERIFICATION

Load Path & Reaction Review

Gravity, wind and concentrated reactions around roof openings, with support reaction check.

REF. 77 · 78 · STRUCTURAL

High-SG Hydrostatic Verification

1.83 SG fluid, pressure gradient, shell stress and deformation checks at 4,450 mm fill height.

REF. 79 · HYDROSTATIC FEA

SCOPE

Roof access, temporary works, anchors, hydrostatic shell checks

CODES

API 650 · AISC 360 · project criteria

DELIVERABLES

Verification reports with reactions and acceptance checks

40Project evidence

API 650 / API 653 Tank Repair Engineering

Repair planning, temporary supports and structural response

Shell Plate Repair & Temporary Supports

Localised shell replacement, manway work and internal support arrangement.

REF. 01 · REPAIR ENGINEERING

High-SG Hydrostatic & Shell Verification

1.83 SG liquid loading, shell stress, deformation and repair verification.

REF. 79 · SHELL VERIFICATION

Bottom, Roof & Roof-Structure Repair FEA

Temporary stiffening, shell stability, wind response and buckling review.

REF. 02 · 43 · REPAIR FEA

SCOPE

Repair methodology, temporary works, bottom/roof replacement, FFS

CODES

API 653 · API 650 · API 579-1 / ASME FFS-1

DELIVERABLES

Repair procedures, calculations, inspection & tolerance records

41Project evidence

ASME Vessels, Exchangers & Static Equipment

Pressure equipment design, local stress and lifting verification

Static-Equipment Package Model

Integrated vessels, piping interfaces, platforms and support layout for plant coordination.

REF. 31 · PACKAGE ENGINEERING

Pressure-Vessel Local FEA

Nozzle, connection and local-stress verification of an exchanger shell and supports.

REF. 32 · WRC 537 / FEA

Lifting & Vessel Stress Review

Lifting lugs, shell, dish and local component checks with mesh, stress and deformation plots.

REF. 17 · 19 · LIFTING FEA

SCOPE

Vessels, separators, filters, reactors, exchangers, lifting devices

CODES

ASME VIII Div. 1 & 2 · TEMA · EN 13445 · PD 5500

DELIVERABLES

Design calcs, data sheets, FEA and fatigue reports

42Project evidence

Controlled Repair, Fall Protection & Fatigue Evidence

Comment closure, anchor verification and cyclic-service assessment

Repair Package Review & Comment Closure

Controlled methodology, technical comments, material and QA/QC response closure.

REF. 20 · DOCUMENT CONTROL

Dome-Roof Fall-Protection Anchor FEA

Anchor stress, deformation, safety factor and modal response verification.

REF. 78 · STRUCTURAL FEA

ASME VIII Div. 2 Adsorber Fatigue

Cyclic pressure, nozzle loads, weld stress and fatigue-life assessment.

REF. 80 · FATIGUE ANALYSIS

SCOPE

Repair package control, anchor design checks, fatigue screening

CODES

ASME VIII Div. 2 Part 5 · API 653 · EN 795 (anchors, where specified)

DELIVERABLES

Comment-response sheets, verification and fatigue reports

43Project evidence

Piping, Plant Layout & CFD

Routing coordination and flow performance verification

Piping Interface Coordination

Buildable routing, nozzles, valves, access ladder and platform interfaces for clash review.

REF. 37 · 64 · LAYOUT

CFD Pressure-Drop Review

Transient pressure field for a vent return pipe and silo response, time-stepped.

REF. 05 · 53 · CFD

CFD Velocity Field

Transient velocity distribution and process-flow review during silo loading.

REF. 05 · CFD

SCOPE

Layouts, supports, flexibility, waterhammer, CFD pressure drop

CODES

ASME B31.3 · ASME B31.1 · ISO 14692

DELIVERABLES

Stress reports, support details, isometrics, CFD reports

44Project evidence

Structural, Civil, Platforms & Access Systems

Steelwork, foundations and structural verification

Foundation & Reinforcement Details

CF8 footing plan, PD2 / PD5 pedestals, reinforcement and sectional details.

FOUNDATION ENGINEERING - DETAIL DRAWING

3D Steelwork Coordination

Platforms, stairs, framing and material schedules for fabrication and installation.

REF. 39 · STEELWORK

Structural FEA Verification

Total deformation and load-path verification of a steel platform structure.

REF. 52 · STRUCTURAL FEA

SCOPE

Platforms, racks, supports, anchors, foundations, skids

CODES

AISC 360 · AWS D1.1 · ACI 318 · ASCE 7 · SBC

DELIVERABLES

Structural calcs, steel & foundation drawings, MTO

45Project evidence

Foundation Engineering | CF8 Footing Details

Reinforced concrete footing plan, pedestal reinforcement and section details

FOOTING PLAN / FULL ENGINEERING SHEET
SECTION K & SECTION L | REINFORCEMENT DETAILS

46Project evidence

Manufacturing, Reverse Engineering & Documentation

Shop-ready drawings and field-to-CAD reconstruction

Fabrication Drawing Package

Painting booth mono-rail general arrangement, details, parts and bill of materials.

FABRICATION DRAWINGS

Manufacturing Drawings & BOM

Structural platform assembly drawings, BOM, cutting information and controlled revisions.

MANUFACTURING PACKAGE

Reverse Engineering to Fabrication

Station reverse engineering — general arrangement, piping interfaces and detailing.

REF. 03 · REVERSE ENGINEERING

SCOPE

3D modelling, shop drawings, BOM/MTO, reverse engineering

CODES

ISO / ASME drafting standards · AWS D1.1 weld symbols

DELIVERABLES

3D models, GA & detail drawings, BOM, cutting lists

47Project evidence

Engineering Analysis — FEA, CFD & Fatigue

Dynamic, flow and structural response evaluation

Modal & Dynamic Review

Frequency response, mode shape and serviceability verification of a supported frame.

MODAL ANALYSIS

Particle Flow & Silo Discharge

Material recirculation, discharge behaviour and unloading validation.

REF. 05 · PARTICLE CFD

Deck Deformation Study

Load-path and deformation verification of a platform deck under operating loads.

STRUCTURAL FEA

SCOPE

Modal, harmonic, fatigue, CFD and particle-flow studies

METHOD

Documented mesh, boundary conditions, load cases and acceptance criteria

DELIVERABLES

Analysis reports with design basis and recommendations

48Project evidence

Fire Water Pump Skid — Vibration Assessment

Equipment support assessment and proposed stiffening for a diesel-engine-driven fire water pump skid

Proposed Stiffening Design

Base-frame arrangement with added stiffening members for engineering assessment.

REF. 81 · STIFFENING DESIGN

Static FEA Assessment

Equipment-weight load case: displacement and stress contours for the assessed model.

REF. 81 · STATIC FEA

Modal FEA Assessment

Natural-frequency and mode-shape review. Mode-shape displacement is not operating vibration.

REF. 81 · MODAL FEA

SCOPE

Equipment-weight, modal and harmonic studies; stiffening design

BASIS

Engine and pump excitation per supplied data; project acceptance criteria

OUTCOME

Stiffening proposal with site verification recommendations

49Project evidence

Fire Water Pump Skid — Harmonic Response FEA

Combined engine and pump excitation and mounting-face response

Harmonic Response Contour

Calculated deformation under combined engine and pump excitation at the reported frequency.

REF. 81 · HARMONIC FEA

Engine Velocity Response

Mounting-face X-direction velocity response across the analysed frequency range.

REF. 81 · FREQUENCY SWEEP

Pump Velocity Response

Mounting-face X-direction velocity response across the analysed frequency range.

REF. 81 · FREQUENCY SWEEP

NOTE

Response calculated under assumed excitation; not an operating RMS measurement

ACCEPTANCE

Site vibration acceptance requires field verification

DELIVERABLES

Harmonic analysis report, response plots, recommendations

50Project evidence

Reverse Engineering & Plant Systems

Chassis, batching plant and silo engineering

Industrial Chassis Engineering

Chassis reconstruction and structural assessment: scan data, CAD model and dimensions.

REF. 03 · REVERSE ENGINEERING

Concrete Batching Plant

Engineering package for a wet concrete batching plant, including equipment and layout interfaces.

REF. 06 · PLANT ENGINEERING

Silo & Material Flow Study

Multi-silo structural and flow assessment; particle-flow behaviour during loading.

REF. 05 · CFD / STRUCTURAL

SCOPE

Scan-to-CAD, structural assessment, plant layout packages

INTERFACES

Equipment, conveyors, silos, foundations and access

DELIVERABLES

3D models, GA drawings, assessment reports

09

Chapter 09

Case studies

Problem, approach and outcome on selected engineering assignments.

51Case studies

Case Studies — Problem, Approach, Outcome

How SLETEC engineering turns client problems into verified, buildable solutions

REF. 79 · STORAGE TANK

High-SG Liquid in an Existing Tank

CHALLENGE

Confirm the safe filling height when an existing Ø6,096 mm, 5.3 mm-shell vertical tank stores a 1.83 SG fluid.

APPROACH

Static-structural FEA of the shell under hydrostatic pressure gradient, with deformation and stress review against the target stress level.

OUTCOME

Filling height of 4,450 mm established at a maximum shell stress of 48.02 MPa — a clear operating limit for the owner.

REF. 77 · ACCESS SAFETY

Scaffold Access Through a Tank Roof

CHALLENGE

Verify a scaffold arrangement entering through a roof manhole without overloading the dome roof.

APPROACH

FEA of roof and scaffold interface under gravity, wind and scaffold reactions; global equilibrium and reaction checks.

OUTCOME

Max vertical deformation +0.51 mm with total support reaction ≈ 4.90 × 10⁴ N — access approved within serviceability limits.

REF. 81 · VIBRATION

Fire Water Pump Skid Vibration

CHALLENGE

Address vibration concerns on a diesel-engine-driven fire water pump skid base frame.

APPROACH

Equipment-weight static, modal and harmonic FEA under combined engine and pump excitation; stiffening options modelled.

OUTCOME

Stiffening design proposed with site-verification recommendations for vibration acceptance.

REF. 01 · 02 · REPAIR

Tank Shell, Bottom & Roof Repair

CHALLENGE

Restore an in-service storage tank with damaged shell plates, bottom and roof structure.

APPROACH

Repair methodology with localised shell replacement, temporary internal supports and FEA of temporary stiffening, stability and wind.

OUTCOME

Controlled repair package with procedures and calculations for safe execution and return to service.

REF. 80 · ASME VIII DIV. 2

Adsorber Cyclic-Service Fatigue

CHALLENGE

Demonstrate the fatigue life of an adsorber subject to repeated pressure cycling and nozzle loads.

APPROACH

Fatigue assessment to ASME VIII Division 2 using FEA of shell, nozzles and welds under cyclic pressure.

OUTCOME

Fatigue evaluation documented against the agreed criteria, supporting the vessel’s cyclic-service approval.

REF. 05 · CFD

Silo Top-Filter Congestion Risk

CHALLENGE

Check whether material recirculation during loading could congest the silo top filter.

APPROACH

Transient CFD with particle tracking of the loading process and recirculation review.

OUTCOME

No material recirculation at the silo top — the top filter is safe from particle congestion.

11

Chapter 11

Project references

Eighty-two selected references, grouped by discipline and code basis.

54Project references

Selected Engineering Project References

SELECTED REFERENCES ONLY  |  Many larger projects are omitted to protect client confidentiality.

  1. 01Engineering package for shell stress analysis and plate repairStorage Tanks
  2. 02Repair method for tank bottom, roof plates and roof structureStorage Tanks
  3. 03Reverse engineering and structural analysis of industrial chassisReverse Engineering
  4. 04Vacuum residue storage tank detailed-engineering packageStorage Tanks
  5. 05Multi-silo storage system - structural and CFD verificationSilos & Bulk
  6. 06Wet concrete batching plant engineering packagePlant & Structural
  7. 07Fitness-for-service assessmentInspection & FFS · API 579 / ASME FFS-1
  8. 08Floating-roof collapse investigation and verificationStorage Tanks
  9. 09Oxygen filter design verification and finite-element analysisStatic Equipment · FEA
  10. 10Pressure-vessel calculation and specification reviewStatic Equipment
  11. 11Preliminary design of large bilocular storage tankStorage Tanks
  12. 12Tank bulging assessmentStorage Tanks · API 650 / API 653
  13. 13Mechanical design and compliance verificationStatic Equipment · EN 13445
  14. 14Creep and fatigue analysis of furnace return bendAnalysis (FEA/CFD)
  1. 15Pig-trap mechanical designStatic Equipment · ASME VIII
  2. 16Storage-tank mechanical calculation and FEAStorage Tanks · FEA
  3. 17Coke-drum lifting-device detailed FEAAnalysis (FEA/CFD) · FEA
  4. 18Shell-and-tube BEM exchanger thermal designHeat Exchangers
  5. 19Pressure-vessel component and separator calculationsStatic Equipment
  6. 20Inspection, alteration and repair technical scopeStorage Tanks · API 653
  7. 21Heat-exchanger bellows replacementHeat Exchangers · TEMA / ASME
  8. 22Aboveground-tank inspection and tolerance validationStorage Tanks · API 653
  9. 23HAZOP/FMEA study of voltage-regulation systemRisk & Safety Studies · HAZOP / FMEA
  10. 24High-temperature cooler thermal-mechanical designHeat Exchangers
  11. 25Converter drive-train thermal-mechanical FEAAnalysis (FEA/CFD) · FEA
  12. 26Seven pressure-vessel filtersStatic Equipment · EN 13445
  13. 27Shell-and-tube exchanger stress assessmentHeat Exchangers · ASME VIII Div. 2
  14. 28Compressor-silencer static and fatigue verificationAnalysis (FEA/CFD)
  1. 29Flange local-failure, plastic-collapse and fatigue analysisAnalysis (FEA/CFD)
  2. 30Steam-piping flexibility and support analysisPiping · ASME B31.1
  3. 31Five pressure vessels - calculations and detailed engineeringStatic Equipment
  4. 32Heat-exchanger nozzle-load assessmentHeat Exchangers · WRC 537
  5. 33Shell-and-tube exchanger static and fatigue assessmentHeat Exchangers
  6. 34Floating-roof detailed engineering and tolerancesStorage Tanks · API 650 / API 653
  7. 35Voltage-regulation-system HAZOP and FMEARisk & Safety Studies · HAZOP / FMEA
  8. 36Shell-and-tube exchanger thermal and mechanical analysisHeat Exchangers
  9. 37Special piping-support design - refineryPiping · Eurocode 3
  10. 38Shell-and-tube exchanger designHeat Exchangers · TEMA / ASME VIII
  11. 39Bolted-structure calculation and verificationStructural & Civil
  12. 40Water-storage-tank design verification and FEAStorage Tanks · FEA
  13. 41Steam-piping flexibility and support verificationPiping
  14. 42Steam-system stress and flexibility analysisPiping
  1. 43Storage-tank bottom-replacement supervisionStorage Tanks
  2. 44Two pressure vessels - verificationStatic Equipment · ASME VIII
  3. 45Storage-tank loading analysisStorage Tanks · API 650 / Eurocode
  4. 46Desalination-plant GRP stress analysisPiping · ISO 14692
  5. 47Forensic tank bulging assessmentStorage Tanks · API 650
  6. 48Venting evaluation for multiple storage tanksStorage Tanks · API 2000
  7. 49H2 reactor fatigue verificationStatic Equipment · ASME VIII Div. 2
  8. 50Firefighting waterhammer and support verificationPiping
  9. 51Forensic storage-tank failure investigationStorage Tanks · API 650
  10. 52Structural supports, welds and anchor-bolt FEAStructural & Civil · FEA
  11. 53Industrial smoke-duct pressure-loss analysisAnalysis (FEA/CFD)
  12. 54Shell-and-tube exchanger reratingHeat Exchangers · PD 5500
  13. 55Structural-support and anchor-bolt verificationStructural & Civil
  1. 56FCC reactor transition design and FEAStatic Equipment · ASME VIII Div. 2
  2. 57Laboratory-facility engineering coordinationPlant & Structural
  3. 58Large shell-and-tube exchanger verificationHeat Exchangers · EN 13445
  4. 59Internal/external-pressure component calculationsStatic Equipment
  5. 60Firefighting waterhammer and support analysisPiping
  6. 61Fume-tower expansion-loop designPiping · ASME B31.3
  7. 62Detailed engineering of biphasic separatorsStatic Equipment
  8. 63Propane pressure-vessel design and calculationsStatic Equipment
  9. 64Stress analysis of fourteen piping systemsPiping
  10. 65Fuel-storage-tank decommissioning specificationStorage Tanks
  11. 66Aluminium pressure-vessel designStatic Equipment
  12. 67Steam-system stress and flexibility assessmentPiping
  13. 68Separation-filter design and calculationStatic Equipment
  1. 69Molten-salt storage-tank designStorage Tanks
  2. 70H2 reactor design and fatigue verificationStatic Equipment
  3. 71Air-system flexibility and stress analysisPiping
  4. 72Anchor-bolt design and fabrication drawingsStorage Tanks · API 650
  5. 73Drying-system performance optimizationAnalysis (FEA/CFD)
  6. 74Aboveground storage-tank designStorage Tanks · API 650
  7. 75Filter design and calculationStatic Equipment · ASME VIII
  8. 76Replacement fuel-separator engineeringStatic Equipment
  9. 77Roof-manhole scaffold verificationStorage Tanks · API 650
  10. 78Fall-protection anchor structural verificationStructural & Civil
  11. 79High-SG hydrostatic tank-shell analysisStorage Tanks
  12. 80Adsorber fatigue analysisStatic Equipment · ASME VIII Div. 2
  13. 81Fire water pump skid vibration assessment and stiffening designStructural & Civil · Modal / harmonic FEA

04

SECTION 04

Delivery

How we engage, what you receive and the quality, HSE and security standards behind every job.

4Engagement models
3Levels of checking
100%Deliverables under document control

57Delivery & quality

Engagement Models

Flexible ways to work with SLETEC — from a single calculation to a dedicated engineering team

Fixed-scope engineering package

Complete design or verification package for a defined scope, price and schedule.

  • Equipment, tank or structure design
  • Repair and alteration packages
  • Lump-sum, milestone billing

Engineering support on call-off

Flexible man-hour support for owners and contractors as needs arise.

  • Rate-based, task orders
  • Fast mobilisation for urgent work
  • Monthly progress reporting

Dedicated engineering team

A team at our India engineering center working as an extension of your project office.

  • Surge capacity for EPC projects
  • Works to your procedures and templates
  • Single point of contact

Third-party review & verification

Independent checking of designs, calculations, vendor documents and FEA models.

  • Design and code-compliance review
  • Vendor document review
  • FEA model audit and re-analysis

HOW A PROJECT STARTS

  1. 1
    Send RFQ
    Scope, drawings, codes, schedule
  2. 2
    Clarify
    Input review and query log
  3. 3
    Proposal
    Technical & commercial offer
  4. 4
    Kick-off
    Design basis agreed
  5. 5
    Deliver
    Checked, controlled issue

Contracting in Saudi Arabia: through Advanced Times General Contracting Co. (C.R. 1010604936), with SLETEC as engineering office.

India & international: directly with SLETEC (CIN U71100TN2026PTC199170). NDAs and client-specific terms accepted.

58Delivery & quality

What You Receive

Consistent design records, transparent calculations and controlled engineering issue

01 DESIGN BASIS & INPUTS

  • Client specification & design criteria
  • Governing codes, loads and materials
  • Assumptions, interfaces and clarifications
  • Input register and revision control

02 MODELS & VERIFICATION

  • Traceable engineering calculations
  • Model idealisation and mesh verification
  • Boundary conditions and load cases
  • Independent model and results checks

03 RESULTS & RELEASE

  • Results tables and engineering figures
  • Acceptance criteria and conclusions
  • Comment closeout and design revisions
  • Reviewed report and controlled transmittal

DELIVERABLES

Engineering calculations  |  CAD / analysis models  |  GA and fabrication drawings  |  BOM / MTO  |  revision records  |  closeout dossier

Every project report is issued to the approved design basis with documented review and checking.

59Delivery & quality

Engineering Execution, QA/QC & Deliverable Control

Controlled workflow aligned with documented engineering quality procedures (SLT-QMS-PR-01 to 03)

  1. 01
    RFQ & input review
    Scope, codes, inputs, deliverables, schedule; query log
  2. 02
    Design basis
    Codes, loads, materials, assumptions, acceptance criteria
  3. 03
    Survey / reverse engineering
    Verified dimensions, condition data, 3D reference model
  4. 04
    Calculation & modelling
    Calculations and models to the approved basis
  5. 05
    Analysis & verification
    FEA / CFD / stress checks with documented criteria
  6. 06
    Independent check
    Checker ≠ originator; comment sheet closed
  7. 07
    Issue & closeout
    Controlled transmittal, revision record, as-built

THREE-LEVEL VERIFICATION

  • Self-check — originator completes checklist, units, inputs and references.
  • Independent check — method, inputs, code clauses, results and drawings verified.
  • Approval — Engineering Manager confirms closure and authorises issue.

DOCUMENT CONTROL

  • Unique numbering: SLT-[Project]-[Disc.]-[Type]-[No.]
  • Revisions A, B… for review; 0, 1… for approval / construction; AB as-built.
  • Issue only by controlled transmittal; superseded copies withdrawn.

DELIVERABLES

  • Calculations, analysis reports, 3D CAD models and analysis files.
  • GA, fabrication, manufacturing, piping layout and isometric drawings.
  • BOM, BOQ, MTO, cutting lists, ITP, QCP, MOS, NMR and MDR dossiers.
  • Redline, as-built, transmittal, revision and closeout records.

60Delivery & quality

Quality, HSE & Working with SLETEC

Policies that govern every assignment, and how to start a project

QUALITY POLICY

  • Deliverables prepared to the client-approved basis and independently checked before issue.
  • Measurable objectives: right-first-time issue, on-time delivery, client satisfaction.
  • Quality system documented to the requirements of ISO 9001:2015.

SLT-QMS-POL-01

HSE POLICY

  • Safe by design — hazards identified and reduced at design stage.
  • Client permit-to-work, inductions and PPE followed on every site visit.
  • Stop-Work authority for every employee; incidents and near misses reported.

SLT-HSE-POL-01

INFORMATION SECURITY

  • Client drawings, models and data stored with restricted, need-to-know access.
  • No disclosure without written client consent; NDAs accepted.
  • Working toward Saudi Aramco third-party cybersecurity compliance (CCC).

REQUEST A PROPOSAL

What to send us

SLETEC reviews the package and responds with a coordinated technical and commercial proposal.

  • Scope of work and required deliverables
  • Drawings, models, data sheets and specifications
  • Applicable codes and client standards
  • Site photos / survey data (if existing asset)
  • Design conditions, loads and service data
  • Target schedule and submission format
13

Chapter 13

Contact

Registered offices, engineering center and KSA delivery partner.

61Contact

Contact & Registered Offices

Engineering support for industrial assets, equipment packages and fabrication-ready deliverables

PROJECT ENQUIRIES

enquiry@sletec.com
engineering@sletec.com
www.sletec.com

TELEPHONE / WHATSAPP

KSA +966 55 545 8298
India +91 90430 07737

INDIA — REGISTERED OFFICE

Sky Line Engineering & Technology Private Limited
D-46, 8th Cross West, Thillai Nagar, Tiruchirappalli – 620018, Tamil Nadu, India

CIN U71100TN2026PTC199170 · PAN ABVCS3910N

INDIA — ENGINEERING CENTER

1/N No. 32, Keela Street, Mela Sridevi Mangalam, Manachanallur Post, Tiruchirappalli Rural – 621005, Tamil Nadu, India

SAUDI ARABIA — DELIVERY PARTNER

Advanced Times General Contracting Co.
Office 14/A, 2nd Floor, Rasheed & Othaim Center, Salah Al-Din St. (60), Al Malaz, Riyadh 12642

C.R. 1010604936 · VAT 311109717400003

Additional experience can be discussed where disclosure is authorised by the relevant client.

ENGINEERED SOLUTIONS. DELIVERED EXCELLENCE.

Refinery process plant at dusk with engineering drawings and a SLETEC safety helmet

Start a project

Have drawings or a scope? Let's engineer it.

Send your scope, drawings, codes and schedule — SLETEC reviews the package and responds with a coordinated technical and commercial proposal.