sairam jinnawar

• Directed large scale indoor ventilation and HVAC performance programs, coordinating multidisciplinary
teams and collaborating with project leads and managers.
• Mentoredjunior engineers and structured technical roadmaps for performance evaluation of ventilation
systems and indoor environmental quality referenced to ASHRAE 62.1 ventilation requirements.
• Led design development, site coordination, and commissioning of a centralized HVAC testbed and control
room facility, integrating ventilation systems, controls, instrumentation and automated data acquisition
• Designed performance test protocols and validation campaigns to assess airflow distribution, contaminant
removal efficiency, ventilation effectiveness and occupant thermal comfort with reference to ASHRAE 62.1
and ASHRAE 55 guidance.
• Produced detailed 2D and 3D HVAC layouts and CFD ready geometries using AutoCAD, SolidWorks,
Space Claim, Revit and ANSYS, ensuring alignment with ASHRAE 62.1 outdoor air and air distribution
requirements.
• Prepared computational meshes with grid independence verification to support accurate simulation of indoor
airflow behavior for ventilation analysis.
• Developed and configured CFD models in ANSYS Fluent by defining geometry, meshing strategy, boundary
conditions, turbulence models, and solver settings to simulate indoor airflow and contaminant transport for
ventilation performance assessment.
• Executed transient and steady state CFD analyses to characterise ventilation patterns, air mixing behavior
and temperature distributions prior to system commissioning.
• Quantified ventilation performance indicators Air changes per Hour (ACH), air residence time, stagnation
zones, infection risk indices and analyzed temperature distribution for comfort assessment, validating CFD
results against controlled experiments with 10% deviation.
• Correlated tracer gas decay tests and airflow measurements with CFD predictions to validate ventilation
effectiveness and overall system performance.
• Implemented real time HVAC performance monitoring systems to track airflow rates and indoor air quality
indicators, supporting ventilation performance assessment.
• Improved indoor air quality in an occupied space by reducing indoor contaminant concentration from 12000
ppm to below 1000 ppm using automated, demand controlled ventilation strategies, aligned with ASHRAE
guidelines.
• Tested IoT enabled HVAC and ventilation control algorithms and implemented automation based
optimization strategies to reduce energy consumption in line with ASHRAE 90.1 energy efficiency intent.
• Prepared and reviewed HVAC Bills of Quantities (BoQ), cost estimates and technical specifications
supporting tendering and budgeting and project cost control.
• Authored technical performance reports, validation documents and compliance records on ventilation
effectiveness, thermal comfort, and indoor air quality improvements.
• Presented HVAC performance and validation findings to international clients and consultants, supporting QA
reviews, technical approvals and project decision making.

• Led a team ofjunior engineers in the HVAC design department, overseeing daily technical operations,
design reviews and documentation workflows to ensure high quality, code compliant and performance
optimized HVAC system designs across multiple projects.
• Effectively coordinated with architects and internal teams to ensure timely and accurate delivery of design
documentation, technical submittals and Bill of Quantities for large scale commercial projects.
• Oversee project progress, monitoring timelines, budgets and quality standards to meet client expectations.
• Led the preparation and management of detailed HVAC documentation packages, including compliance
reports, technical data sheets and drawing registers ensuring quality control and audit readiness for all project.
• Expert in performing complex HVAC system design using standard software tools such as Carrier HAP,
Trace 700, ensuring precise cooling/heating load calculations and equipment sizing in compliance with
ASHRAE/ISHRAE standards.
• Reviewed energy consumption to identify efficiency improvement opportunities.
• Prepared executive level reports, project trackers and client presentations, played a key role in internal
meetings and client discussions to represent the design departments status and resolve documentation
bottlenecks.

• Proficient in generating precise calculations with HVAC design software like Carrier HAP and adhering to
ASHRAE Standards. Skilled in designing HVAC systems using software like AutoCAD/Solidworks/Revit.
• Conducts heating and cooling load calculations for accurate HVAC equipment sizing. Assists in designing
HVAC systems to ensure optimal thermal comfort for occupants.
• Performed ESP (External Static Pressure) and pump head calculations to support accurate selection of fans
and pumps for ducted and chilled water systems, ensuring efficient airflow distribution and hydraulic
performance as per project design criteria. Submissions and compliance statements.
• Developed HVAC layout drawings, schematic diagrams and duct routing plans using AutoCAD and Revit
MEP, ensuring clash free coordination with other building services.
• Calculated ventilation airflows for different space types based on ASHRAE minimum outdoor air
requirements, integrated with Air Handling Unit (AHU) selection to meet Indoor Air Quality and
pressurisation targets.