I am General Virtual Assistant Sairelle

More Info About Me

I’m a Professional Civil Engineer with experience in estimation, cost planning, and billing, bringing strong skills in organization, accuracy, documentation, time management, and problem-solving.

As a freshman Virtual Assistant, I’m ready to help with administrative tasks, data entry, research, email management, scheduling, and document preparation. I’m detail-oriented, dependable, quick to learn, and committed to providing efficient and reliable support that helps clients stay organized and focused on their goals.

Sairelle Sordilla Obang
Bacoor City, Philippines
Freelancer
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My Skills and Competencies

Data Entry
Construction Virtual Assistant
Executive Virtual Assistant
Bookkeeping
Copywriting

Certificates

My Experience and Education

  • EXPERIENCE
  • EDUCATION
2018
BS Civil Engineering

FEU Institute of Technology

2025 - 2026
Hankyu Hanshin Properties Corporation
(Quantity Surveyor Lead)

Plan Review and Scope Validation
Review Design Development drawings and specifications to ensure completeness
Identify any scope gaps and or ambiguities that may lead to future Change Order or Disputes
Coordinate with Joint-Venture Team to verify tgat required details are included in the Tender Package
Provide input during Design Stages aligned with consideration of Historical Parameters from previous completed projects
Cost Planning and Control
Prepare Cost Estimates and Budgets based on drawings, specifications, and Bill of Quantities (BOQ)
Monitor the Actual Project Costs against Approved Budget and Conduct Variance Analysis (Target vs Actual)
Provide reports and forecasts and make feasibility study
Compare Estimated Costs against previous projects and budget benchmarks to ensure Financial Feasibility with the approved Business Plan
Bidding and Contract Administration
Check tender documents and participare in the tender process, ensuring competitive pricing and favorable terms
Review and assess Variation Orders (VO) submitted by contractors
Site Monitoring and Coordination
Visit the projects and check progress, quality, and alignment with approved BOQ and budget. Ensure alignment with contractual scope
Coordinate with Partner Companies regarding cost and budget issues and identify the problems
Value Engineering and Cost Optimization
Propose alternative construction methods, materials, or design to reduce costs without compromising quality (VE)
Conduct cost evaluations and provide recommendations to maximize long-term project value

2023 - 2025
Quantity Solutions, Inc.
(Quantity Surveyor 3)

Quantity Take Off
Consolidate Quantity Take off (Architectural, Structural and Civil Works)
Derive man-hour for group estimation
Prepare and identify Bill of Quantity for CSA
Quality Assurance for Over-all Estimation
Organize Work Breakdown Structure
Generate Key Performance Index (KPI) per project
Generate Estimated Assumption per project
Designate manpower per scope estimation
Prepare Bill of Preliminaries
Costing
Identify Direct Cost and Selling Cost
Define Man-Hour Cost and Labor Efficiency Rates
Derive Equipment Rates
Prepare Unit Price Analysis (UPA)
Prepare Schematic Costing
Procurement
Identify types of Bonds, Insurances, and Sureties
Identify types of Contracts and Applications
Generate Contract Agreement per Contract Package
Understand Permits, Bidding Procedures
Prepare Cash Flow/ S-Curve Schedule
Prepare Procurement Packages
Cost Study
Process Performance Ratios
Use Historical Data
Value Engineering
Cost Driver Analysis
Cost Escalation (Material and Labor)
Manage Design Team during VE discussions
Management Skills
Represent the company in high-level corporate meetings

2022 - 2023
C.M. Pancho Construction, Inc.
(Office Engineer)

Quantity Take off/ Materials Controller
Review construction plans and preparing quantity requirements for bridges, flyovers, and roadways. Derive man-hour for group estimation
Keep track of available and/or remaining materials in the warehouse prior to additional requisition, especially on fast-moving materials. Quality Assurance for Over-all Estimation
Re-check as-built quantities based on approval of consultant for establishing the final requirement to be used for structures. Generate Key Performance Index (KPI) per project
Review materials based on technical specifications and conducting sample testing prior to the requisition of materials
Review materials requisition from the site and evaluate the final quantity to be purchased after maximizing available resources from Inventory, and other projects to avoid excess on project's expenses
Monitoring deliveries and issuances of aggregates for road construction
Certify issuance of design mixes based on designated activity and re-evaluating the remaining Purchase Order Quantity for consumption
Liaise with site engineers, consultants, and subcontractors
Cost Data Analysis
Project Management
Manpower distribution and equipment distribution monitoring
Slope Protection accomplishment monitoring based on projected schedule
Monitor actual accomplishment per crew to ensure reaching the projected output
Weekly-based site inspection and making reports based on the observation of current activity, manpower, equipment and output on site

My Services

Construction Virtual Assistant

Schedule

Bookkeeping

Bookkeeping

Executive Virtual Assistant

Executive Virtual Assistant

Data Entry

Data Entry

Copywriting

Copywriting

Testimonials


Works

Let's work together !

I am available for freelance projects.
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Get In Touch

Address :
Bacoor City,
Philippines


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