Senior Groundwater Modeler
Action International Service
Total years of experience :0 years, 0 Months
Project: Construction of Groundwater Flow Model for Conceptual and Engineering design of temporary sustainable Dewatering for underground Rail System, Neom City, Tabuk, Saudi Arabia
Job Description & Accomplishments
• Design and supervise Field work including pumping wells drilling, sampling, hydraulic testing, aquifer and well performance evaluation
• Dewatering Pump Design Engineering
• Conceptual Design, Groundwater Flow Model calibration and validation, Predictive simulation of Pilot Test for Large-scale dewatering with (25) Pumping wells to simulate cumulative drawdown and sustainable pumping rates calculations.
• Developed numerical model using visual MODFLOW Flex for engineering design of Dewatering wells for long-term sustainable pumping during the construction phase
• The project aims to use advanced I-SMART technology to manage and operate wells and determine thequantities of pumped water (flow rates).
Project: Groundwater Sustainability Study for Saudi-Omani Land port, Rub Alkhali, KSA
Job Description & Accomplishments
• Conduct detailed Field Investigations including hydrogeological and geophysical survey to locate the best locations for drilling new water wells in suitable aquifers for the sustainable water supply for the Land port.
• Conduct Resource Modeling using water budget analysis, current, and future water demand, and sustainable supply
• Conduct Groundwater Sustainability Study using SGMA & GSP regulations to develop sustainability indicators, sustainable conditions, minimum thresholds, undesirable results and measurable objectives.
• Skills: Water Quality
• Groundwater
• Environmental Permitting
• Program Management
• Consulting
• Site Planning
• Project Delivery
• Field Work
• Sustainable Development
• Project Estimation
• Environmental Consulting
• Sustainability
• Technical report writing
• Field work supervision, hydraulic testing, aquifer and well performance evaluation
• Resource Modeling
• Project Management
Job Description & Accomplishments
• Developed numerical model using visual FEFLOW/MODFLOW for engineering design of ASR wellfields for pumping out of (6) billion Gallons during emergency al Al Maha ASR Wellfield of Dubai.The client is Dubai Electricity & Water Authority (DEWA).
• The project aims to use advanced I-SMART technology to manage and operate wells, determine thequantities of pumped water, and control the water quality, so the water pumped from 435 wells remains within the permissible specifications and
standards for drinking water in Dubai Emirate.
• The project includes operating 435 groundwater wells, which can pump about 50 million gallons per day
used in times of emergency.
• To develop a numerical model to simulate the water pumping in shallow aquifers to comply
Resume - Dr. Ayaz Hasan - Chief Resident Engineer/Team Leader - Hydrogeology
with the qualityof water during storage and operation for 90 days. The calibrated model predicted the quality of groundwater in the future based on the well operation plan.
• The project also contributes to significantly reducing cost, reducing human interference in the operation process, and achieving the highest efficiency in the project without any errors
Project: Consultancy Services for the Development of Integrated Local Water &
Wastewater Master Plan for Southern WDS, Saudi Arabia
Responsibilities:
Collection, compilation & Review of previous water & wastewater master plans
Performed Gap Analysis to identify Master Plan Work Tasks and subtasks.
Developed methodology & work plan (road map) for South Water Distributions
Prepared Project Preliminary finding report.
Prepared Capital Investment Plan (CIP) for Asir region.
Job Description & Accomplishments
1) To conduct and supervise detailed hydrogeological and water resources assessment
studies of secondary water resources (aquifers and reservoirs). The major tasks
include the preparation of a fieldwork plan, supervision of drilling operation, collection of aquifer data from exploration wells, review, and supervision of hydrological and groundwater modeling work activities, and updating all previous models of the Ministry
with the help of new hydrogeological data.
2) Investigation and exploration of suitable sites for aquifer storage and recharge (ASR) and managed aquifer recharge (MAR) using hydrological, geological, and remote sensing techniques for stormwater and Treated sewage effluent (TSE).
3) Conduct and supervise geotechnical and hydrogeological investigations to estimaterisks
and expected storage volumes.
4) To supervise and review the hydraulic design of wastewater reuse schemes including
main trunk lines, pumping stations, reservoirs, and drainage networks.
5) Investigation and exploration of suitable sites for aquifer storage and recharge (ASR) and managed aquifer recharge (MAR) using hydrological, geological, and remote sensing techniques for stormwater and Treated sewage effluent (TSE).
Evaluated and updated Riyadh Water Balance Model using the updated and detailed
components of surface, groundwater, recycled, and desalinated water as an integrated water
Resume - Dr. Ayaz Hasan - Chief Resident Engineer/Team Leader - Hydrogeology
5 | P a g e
cycle for 2016 data
Prepared Riyadh Water Status Report 2016, using the water resource and use data of
Riyadh metropolitan city.
Identify areas vulnerable to high water table and develop a drainage network for lowering
groundwater levels from various districts of Riyadh city, using the Riyadh numerical model
Job Description & Accomplishments
Supervise and manage hydrogeological investigation studies of major aquifers of theKingdom including drilling, testing of wells, and conducting technical review of
project deliverables.
Contributed to various national water resources planning & management projects incollaboration with World Bank & UNDP. Drafted several Terms of Reference (TOR) and project contract documents
(PCD) of aquifer studies and engineering design of wastewater reuse schemes. Supervised and reviewed fieldwork activities and project deliverables of national
hydrogeological and groundwater resources studies.
Developed proposal for Conceptual Study of the Storage Potential for Managed
Aquifer Recharge in the Coastal Area South of Jeddah.
Job Description & Accomplishments
Developed business plans including preparing technical and financial proposals, workplans, schedules, and cost estimates of water and environmental projects.
Arranged client meetings and presented business plans & proposals for investigationof groundwater contamination to Royal Commission, MOWE & Petro-lube. Prepared technical and financial proposals for natural radioactive groundwater
Contamination investigation and remediation project and presented to MOWE. Developed standard procedure and manual of project management office (PMO)
Job Description & Accomplishments
Developed numerical model using visual MODFLOW for evaluation and design ofwell pumping scheme for long-term extraction of 15, 000 m3/d of groundwater fromRC existing and new well fields in Jubail industrial city, KSA
Developed numerical model of groundwater flow system underlying KAAU University Camus
and prepared design of subsurface Gravity Drainage System (SGDS).
Performed Environmental Site Audit, supervised field investigations including drilling and
Installation of Production and Observation Wells, sampling and analysis of groundwater, and supervised pumping tests in wells to calculate aquifer parameters (transmissivity, permeability, storativity) and constructed numerical model of the multi-aquifer system of SADAF Plant andadjacent area. Performed Environmental Site Audit, supervised field investigations including drilling and Installation of Production and Observation Wells, sampling and analysis of groundwaterand supervised pumping tests in wells to calculate aquifer parameters (transmissivity,
permeability, storativity) and constructed numerical model of a multi-aquifer system of SADAF Plant and adjacent area. Supervised and Conducted site characterization as well as Human Health and Ecological
Risk Assessment study due to ammonia contamination of soil and groundwater in SAFCO facilities.
Performed RBCA Human Health Risk Assessment (Tier-based Approach), Calculations for SSTL by using USEPA Methods, and Risk Assessment Model (RAM) and
developed Solute Transport Model for evaluation and prediction of extent of EDC contaminated plume in groundwater in SADAF facility.
Constructed Groundwater Flow Model of shallow Riyadh aquifer
underlying Riyadh city and Wadi Hanifah and using Visual MODFLOW
for assessment of surface and groundwater resources.
Designed subsurface gravity drainage system (SGDS) in various districts
of Riyadh cityas a viable solution (mitigation) of the rising water table
problem.
worked and contributed to the development of the Riyadh Water
Resource Model (RWaRM) for MEDSTAR