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Usman Zafar, Sr. Mechanical Estimator & Proposal Engineer

Usman Zafar

Sr. Mechanical Estimator & Proposal Engineer·Unimac Company

Saudi Arabia

Master's degree, Mechanical Engineering

Work experience

Total years of experience: 13 years, 10 months

Sr. Mechanical Estimator & Proposal Engineer

May 2023 - Present

Unimac Company

Saudi Arabia

May 2023 - Present

Analyze pre-bid documents critically, understand risks and opportunities and articulate them to top management.
• Preparation preliminary quantity take-offs and estimates costs of materials, labor, and use of equipment required to
fulfill all provisions of the contract.
• Solicits sub-contractor’s bids and material supplier quotations and determines acceptable bids by comparing to selfperform estimates.
• Estimating costs by collecting and comparing historical cost data.
• Collaboration with contractors, engineers, and architects during estimate creation to ensure overall accuracy and
conformity to fulfill all provisions of contract requirements.
• Highly agile to manage and track multiple preconstruction projects at once.
• Always recommend and incorporate cost-reduction options for more competitive bids.
• Attends project site pre-bid meetings, site tours, and post-bid interviews as required.
• Review project plans, specifications, and coordinates with the team to confirm complete scope

Company industry:
Construction & Building
Job role:
Construction and Building

Sr. Mechanical Estimator & Proposal Engineer

July 2021 - April 2023

Redco International

Doha, Qatar

July 2021 - April 2023

Technically review the pre -tender documents, prepare a quote based on the client's requirements and submit the bid.
• Setting up, implementing, and maintaining cost control structure, cost coding, and cost control system, implementing
processes, procedures, standards, and templates to maintain a consistent approach for reporting across the portfolio of
projects.
• Converting cost estimates into control budgets, and assigning control accounts, by working and coordinating with
contract, procurement, and construction departments
• Reviewing second-party cost reports, evaluating deviations, reviewing project forecasts, and advising on corrective
actions
• Active participation in pre-bid, post-bid, and tender negotiation meetings.
• Negotiation with vendors/suppliers to secure the most competitive prices and support procurement activities.
• Strong expertise in pre-construction planning, scheduling, cost control, and estimation, with regular tracking of submitted
tenders.
• Preparation of cost control measures, budget allocation, monthly progress claims, and variations/change orders, along
with reporting and invoicing knowledge.
• Prepared earlier bill of quantities for pre-tender purposes; tender preparation and developing unit cost build‐up.
• Preparation of costs control and budget allocation, monthly progress claims, and variations/change orders, Comparative
Analysis
• Use statistical tools to analyze cost metrics and perform risk analysis.

Company industry:
Construction & Building
Job role:
Construction and Building

Cost Estimation Engineer MEP

October 2019 - May 2021

Naffco UAE

Dubai, United Arab Emirates

October 2019 - May 2021

Cost Estimation: Accurately estimate the cost of MEP (Mechanical, Electrical, and Plumbing) projects, including
materials, equipment, labor, and associated expenses.
➢ Budgeting and Cost Control: Develop and manage project budgets, tracking costs, identifying cost-saving
opportunities, and ensuring adherence to budgetary constraints.
➢ Quantity Surveying: Conduct quantity surveys to determine the quantities and costs of materials required for
MEP installations.
➢ Cost Analysis: Analyze project costs, identifying cost drivers, and evaluating cost implications of design changes
or variations.
➢ Value Engineering: Apply value engineering methodologies to identify cost-effective alternatives and optimize
the project's value without compromising quality or functionality.
➢ Contract Management: Manage cost-related aspects of contracts, such as change orders, claims, and payment
applications, and ensuring compliance with contractual terms and conditions.
➢ Cost Reporting: Collect and analyze cost data, prepare reports, and provide insights to project stakeholders for
informed decision-making.
➢ Risk Management: Assess potential risks and uncertainties associated with MEP cost factors, developing
mitigation strategies, and monitoring risk throughout the project lifecycle.
➢ Collaboration and Communication: Collaborate with project teams, contractors, vendors, and clients to ensure
clear communication and understanding of cost-related matters.
➢ Cost Forecasting: Forecast and predict project costs at different stages of the project, considering factors such
as inflation, market conditions, and scope changes.
➢ Cost-Benefit Analysis: Conduct cost-benefit analysis to evaluate the financial viability of project alternatives or
investment decisions.
➢ Procurement Support: Assist the procurement department in vendor/supplier selection, negotiation, and
procurement processes to ensure competitive pricing and adherence to budget.
➢ Compliance and Standards: Ensure compliance with relevant industry standards, regulations, and codes related
to MEP cost management.
➢ Continuous Improvement: Stay updated with industry trends, best practices, and emerging technologies to
enhance cost engineering methodologies and improve cost management processes.

Company industry:
Construction & Building
Job role:
Construction and Building

Project Mechanical Engineer

August 2016 - October 2019

Redco International

Doha, Qatar

August 2016 - October 2019

In this role, effectively manage and supervise a large MEP team comprising 400 personnel. Oversaw the
installation, testing, commissioning, and facility maintenance of equipment in accordance with design and project
specifications.
• Prioritize the smooth progress of activities at every phase of installation, ensuring that each milestone is met as
planned. Clear communication is maintained with all individuals on-site to ensure everyone is aligned with the
project's objectives.
• As a liaison between the design and construction teams, possess a deep understanding of Revit MEP and Aecosim
Building Designer Connect Edition modeling techniques. I collaborate closely with the design team to identify and
resolve any design errors prior to implementation.
• International standards such as NFPA, IPC for Plumbing, and SMACNA & ASHRAE for HVAC are strictly adhered to
during the installation process. And dedicated to maintaining site discipline, work ethics, and fostering a cohesive
team dynamic.
• Identifying potential risks and resolving high-level technical issues are integral parts of my responsibilities.
Coordinate closely with the design team to address any challenges that may arise, ensuring the successful
execution of the project in compliance with plans and specifications.
• In addition, generate work plan ideas and provide clear work instructions to assigned teams, ensuring effective
coordination and timely completion of MEP activities on the construction site. Also oversee the implementation
of shop drawings and incorporate any necessary field changes into as-built drawings.
• Safety is of utmost importance, and actively promotes a culture of health and safety at the work site. I diligently
manage and submit work progress status and monthly progress reports to contractors and clients to keep all
stakeholders informed.
• Managing & Supervising Operation & Maintenance Chilled Water Plant Room, Fire Pump Room, Potable Pump
Room, AHU, ERU FCU, CRAC units & Dx Units Implementation of shop drawings on site and incorporate all field
changes into as-built drawings.
• Regularly reviewing material submissions and attending quality management meetings with contractors and
consultants allow me to continuously improve quality standards on site. I also witness field tests, review test
data, and actively participate in commissioning and inspections for all mechanical works.

Company industry:
Construction & Building
Job role:
Construction and Building

Field Mechanical Engineer

July 2012 - August 2016

NSETS

Islamabad, Pakistan

July 2012 - August 2016

Design and Planning: Collaboration with architects, structural engineers, and other professionals to develop mechanical
designs and systems for construction projects. This includes HVAC (Heating, Ventilation, and Air Conditioning),
plumbing, fire protection, and other mechanical systems.
➢ Project Coordination: Coordination with various stakeholders, including clients, contractors, suppliers, and consultants,
to ensure smooth execution of mechanical system installation during construction.
➢ Specification and Documentation: Develop detailed mechanical specifications, drawings, and documentation for
construction projects, ensuring compliance with relevant codes, standards, and regulations.
➢ Material and Equipment Selection: Evaluate and select appropriate materials, equipment, and systems for mechanical
installations, considering factors such as cost, quality, efficiency, and sustainability.
➢ Construction Supervision: Oversee mechanical construction activities on-site to ensure compliance with design
specifications, safety standards, and project schedules.
➢ Quality Control and Assurance: Implement quality control procedures to monitor and verify the quality and
performance of mechanical installations, conducting inspections and tests, as necessary.
➢ Cost Estimation and Budgeting: Collaborate with cost engineers to estimate and budget for mechanical package system
of construction projects, including materials, labor, and equipment.
➢ Project Management: Assist in project management tasks, such as scheduling, progress monitoring, and coordination
of mechanical engineering activities within the overall project plan.

Company industry:
Construction & Building
Job role:
Construction and Building

Education

UET Taxila

July 2016

July 2016

Master's degree, Mechanical Engineering

Pakistan

GPA (point): 3.5 out of 4

GPA (point): 3.5 out of 4

An overview of implemented renewable energy policy of Pakistan research paper published in "Renewable and Sustainable Energy Reviews"
View attachment

Skills

Cost Models
Expert
Cost Models
Expert
Design Review
Expert
Design Review
Expert
Contracts Review
Expert
Contracts Review
Expert
Tendering
Expert
Tendering
Expert
Cost Estimating
Expert
Cost Estimating
Expert
Financial Modeling
Expert
Financial Modeling
Expert
Tendering
Expert
Tendering
Expert
Claims Variation
Expert
Claims Variation
Expert
MEP
Expert
MEP
Expert
Construction Management
Expert
Construction Management
Expert
Estimation
Expert
Estimation
Expert

Languages

English
Expert

Hobbies

  • Reading Books and Volunteering
    Functional Area Leader Functional Area Leader 1. Supreme Committee for Delivery & Legacy Supreme Committee for Delivery & Legacy 2.Volunteer Performer Volunteer Performer Expo 2020 Dubai Expo 2020 Dubai