Abdou Tolba

As we approach the final stages of the Riyadh Metro Line 3 project, it is essential to complete a
thorough review of the shop drawings and As-Built drawings to ensure they align with the approved
designs and specifications. Finalize any outstanding calculations, confirming compliance with ventilation, airflow, and firefighting system requirements. Address any remaining technical issues related to system integration, including the layout and placement of MEP systems, as well as overall coordination with other services. Ensure that all documentation is accurate and up-to-date. Complete the necessary inspections and approvals to facilitate a smooth and efficient handover of the project.

• Reassess designs and equipment selections to optimize project outcomes.
• facilitate seamless collaboration between the mechanical, electrical, and construction teams.
• serve as the primary liaison with clients, addressing inquiries, participating in technical
discussions, and offering problem-solving strategies tailored to site-specific challenges.
• My expertise ensures the smooth progression of engineering tasks by meticulously reviewing
shop drawings, and cross-referencing them with design specifications and site conditions,
thereby ensuring alignment between design intent and on-site implementation.

• Lead the development of detailed shop drawings and calculations, ensuring accuracy and
compliance with project requirements and industry standards.
• Provide technical support to resolve complex issues that arise during the construction phase.
• My expertise extends to identifying potential problems within the workflow and implementing
effective solutions to mitigate them. This involves revising drawings and specifications as needed, meticulously analyzing for conflicts, and making necessary updates to ensure project integrity.
• Moreover, I assess any potential cost or time impacts resulting from revisions or conflicts,
providing valuable insights to project stakeholders to facilitate informed decision-making and
maintain project efficiency.

As a Lead Mechanical Engineer, my responsibilities encompass a range of critical tasks aimed at
ensuring project success and efficiency:
• Leadership and Task Assignment: I lead and mentor junior engineers, delegating tasks effectively to optimize team performance.
• Verification of Design Calculations: I verify design calculations for mechanical, plumbing,
and firefighting systems, ensuring accuracy and adherence to standards.
• Shop Drawing Preparation and Coordination: I prepare and modify shop drawings and
coordination drawings as needed, ensuring accuracy and compliance with project
specifications.
• Quantity Surveying and Scheduling: I oversee the quantity surveying and scheduling
processes, ensuring alignment with project timelines and budget constraints.
• Material Submittals: I revise and submit material submittals for consultant approval, ensuring compliance with project specifications and requirements.
• Change Order Management: I detect, study, and process change orders, evaluating their impact on site work and ensuring proper documentation and implementation.
• Client Engagement: I actively participate in client meetings, discussing project progress,
addressing concerns, and proposing effective solutions to ensure client satisfaction.
• RFI Management: I manage Requests for Information (RFIs), initiating discussions with
client representatives to identify optimal solutions and address project requirements promptly.
• Collaboration and Coordination: I collaborate closely with the main contractor and consultant engineer, facilitating effective communication and coordination to resolve technical issues and ensure project success.

• I oversee the preparation and modification of shop drawings and coordination drawings,
ensuring accuracy and alignment with project specifications.
• I meticulously verify design calculations for HVAC, plumbing, and firefighting systems to
ensure accuracy and compliance with industry standards.
• I analyze design modifications and change orders to assess their impact on work progress
and coordinate necessary adjustments to maintain project timelines.
• I prepare and submit material submittals for consultant approval, ensuring compliance with
project specifications and regulatory requirements.
• Oversee site installation, testing & commissioning activities and ensure alignment with design
and project specifications.
• Address and resolve technical issues during the construction phase, particularly those related
to the ducting system, chilled water system, smoke management, and site coordination.
• Monitor project progress and ensure the timely completion of mechanical works in line with
project milestones.

● Lead HVAC system design efforts, encompassing load estimation, equipment selection,
piping system layout, and ducting layouts to meet project requirements.
● Conduct comprehensive load estimations and energy analysis to efficiently determine heating
and cooling requirements for various building spaces.
● Select appropriate HVAC equipment such as chillers, air handling units (AHUs), and pumps
based on project specifications and performance criteria.
● Design hydronic piping systems, including layout design, and pump sizing, to efficiently
distribute heating and cooling fluids throughout buildings.
● Create detailed AHU flow diagrams to illustrate air distribution and ventilation strategies for
effective HVAC system operation.
● Collaborate with multidisciplinary teams to integrate HVAC systems seamlessly into overall
building designs and address interdisciplinary coordination challenges.
● Ensure compliance with relevant codes, standards, and regulations in all HVAC design
activities to meet safety and quality requirements.
● Reviewed owners comments and feedback, incorporating modifications to optimize design
solutions and ensure alignment with client expectations.

● Develop comprehensive firefighting sprinkler networks to provide effective fire protection
coverage and compliance with safety standards.
● Design water supply piping systems to deliver adequate water flow and pressure for domestic
and fire protection purposes.
● Engineer sanitary drainage systems to efficiently transport wastewater from plumbing fixtures
to the municipal sewer system while preventing backups and blockages.
● Design storm drainage systems to manage rainwater runoff and prevent flooding on-site,
incorporating appropriate sizing and layout considerations.
● Sized pumps accurately to meet the hydraulic demands of plumbing systems, ensuring
optimal performance and efficiency.
● Develop detailed designs for hot and cold-water systems, including pipe sizing, layout, and
equipment selection, to deliver reliable and energy-efficient water distribution.
● Collaborate with architects, structural engineers, and other stakeholders to integrate
plumbing systems seamlessly into overall building designs and address interdisciplinary
coordination challenges.
● Ensure compliance with relevant codes, standards, and regulations in all plumbing design
activities to meet safety and quality requirements.
● Review owners comments and feedback, incorporating modifications to optimize design
solutions and ensure alignment with client expectations.