Mohammad Sawafta

• Supervise, monitor, and manage the Contractor including their compliance with the Contract,

• Responsible for all micro-tunneling aspects.

• Review and assist the TL for approval of design of trunk mains and sewer network using any trenchless methods.

.Review the civil engineering components of the detailed designs and drawings for permanent and temporary works, and approvals for microtunnel trenchless design.

• Conducting geotechnical survey involves testing the soil consistency and structure, groundwater level, and making technical recommendations based on the results. Making sure that Boreholes are drilled at the site and samples are taken from the ground and analyzed in a lab.

• Evaluating the geotechnical reports to exarmine the soil composition, strength, and other properties to determine the suitability method of excavation, dewatering, retaining walls, and other structural elements and soil treatments if needed.

• Identifying geohazards (such as floods, and landslides) and developing strategies to mitigate their impact on construction projects.

• Review and approvals of geotechnical solutions, designs and execution methods proposed by the contractors of trunk mains.

• Emphasizing safe construction practices (Own Zero) and maintaining a high quality of construction. Lead by example in driving safe practices on site.

• Assisting the RE in monitoring the progress of the construction of the Works against the Program, and taking steps to ensure compliance with the Program

• Assisting the RE in the management of Inspectors for the supervision and monitoring of the execution and compliance of the Works.

• Assisting the RE in reporting on progress, safety, finance, quality, delay, and changes for the construction aspects of the Works.

• Building a trusted relationship with the management team and with the client’s staff.
• Establishing an appropriate working relationship with the contractor’s team.

• Orient, assign, and supervise the construction inspection staff daily, so that all contractor activities are adequately covered.

• Ensuring that the project quality control procedures are implemented for the supervision aspects of the Works and continually monitoring these procedures for possible improvements.

•Cooperating with audits required by the Contract and PIL’s internal systems.

• Contributing to the review of the Contractor’s design submissions for safety and buildability.

• Evaluating and adapting construction management and control techniques, procedures, and criteria to suit job tasks, and devising and implementing solutions to problems encountered.

• Ensuring that the team of Inspectors effectively identify, manage, and report project risks.

• Reviewing the Inspector’s daily reports preparing the Site's Daily Report, and generally overseeing the Inspector’s daily activities including work assignments, on-site performance, and guiding the supervision of the Contractor’s operations.

PROJECTS COMPLETED:

1. Project: Design and Build Contract for Wakra Wukair Drainage Network Branches C853/1, Doha, Qatar.

Client: ASHGAL PWA Public Works Authority, Qatar.

Consultant: Parsons International.

Contractor: QTCG Qatar Trading and Contracting Group.

Method & Machines: MTBM Microtunneling / Trenchless Technology.

Pipe Size: 400 mm, 800 mm, 1,000 mm, 1,200 mm, 1,600 mm, 2,000 mm, 24,000 mm.

Length: 16.4 km.

Project Cost: 420 million QR (115 million $)

• Run all field operations throughout the Middle East region.
• Review the geotechnical reports, recommend suitable MTBM machines for the project, review all technical specifications, and approve them.
• Create a comprehensive O&M plan that outlines procedures, schedules, and responsibilities.
• Monitoring and reporting regularly on the site for changes in soil behavior, settlement, or potential hazards, and preparing plans accordingly, and conducting more geotechnical investigations.
• Prepare the tunneling and micro-tunneling method statements, including all required engineering calculations, discuss them with consultants and clients, and obtain the approvals.
• Plan the micro-tunneling activities and shaft constructions, including the required manpower and equipment.
• Supervise all project aspects, which include survey, design, execution, testing, and handing over.
• Supervise field operations to ensure the progress is in line with the project's scheduled plan or ahead, and revise the plan in case the progress is behind schedule.
• Coordinate all related field activities to ensure project completion under the targeted budget, and within the given time frame.
• Conduct all required meetings with consultants, stakeholders, clients, and all relevant government departments.
• Provide the field with technical solutions for occurring problems, and supervise the implementations.
• Evaluate the performance of office and field employees, and develop their technical skills.
• Pricing the tenders and preparing bid estimates for all types of public works in the field of microtunneling, and reviewing the subcontractor proposals.
• Selection and procurement of all locally required equipment, tools, and machinery. Supervise the operation and maintenance of all TBM and microtunneling equipment.
• Develop the operational and maintenance policies and procedures required for the execution of the project.
• In charge of business development and marketing.
• Approve and sign contracts on behalf of the company.
• Ensure that all activities are compatible with the standard specs of the project.
• Provide the project-required reports.

PROJECTS COMPLETED:

1. Project: AS-Seeb Sewage Collection and Conveyance System Development – Muscat, Sultanate of Oman.

Client: Haya.

Consultant: Parsons.

Contractor: GPS (Gulf Petrochemical Services & Trading, LLC)

Subcontractor: Vadnais Micro Tunneling LLC

Method and machines: MTBM tunneling, and micro tunneling.

Pipe Size: 1000 mm, 12 mm, 100, 1600 mm, 1800 mm, 2200 mm, 2400 mm.

Length: 22,000 m (22 km)

Project value: 580 million OMR (Omani riyals) (microtunneling works only).

2. Project: Construction, Completion, and Maintenance of East.

Sulaibikhat Storm Water Culverts (Contract No.) RA/119) – Kuwait.

Contractor: Ahmadiah Contracting & Trading Co.

Subcontractor: Vadnais Micro Tunneling LLC

Method & machines: TBM, tunneling, & micro tunneling.

Pipe Size: 1600 mm, 1800 mm.

Length: 840 m.

Project Value: 214,000 KWD (micro tunneling works

3. Project: Bawsher – Main Trunk Sewer & Qurum Pump – Muscat, Sultanate of Oman.

Client: Haya.

Consultant: ACE.

Contractor: GPS (Gulf Petrochemical Services & Trading, LLC)

Subcontractor: Vadnais Micro Tunneling LLC

Method and machines: Micro tunneling, TBM, and pipe jacking.

Pipe Size: 1200 mm, 1400 mm, 1600 mm, 2200 mm, 2500 mm.

Length: 3,283 m

4. Project: Development of Roads in Bani Hajer Zone 51, Doha.

Qatar

Contractor: Burhan-ITC Joint Venture.

Subcontractor: Vadnais Micro Tunneling LLC

Method & machines: TBM, Tunneling & Micro tunneling.

Pipe Size: 1,400 mm, 1,600 mm, 1,800 mm.

Length: 1,950 m.

5. Project: Construction, Completion, and Maintenance of South.

Shamkha Infrastructure Lot 4 – Abu Dhabi.

Contractor: Saif Bin Darwish.

Subcontractor: Vadnais Microtunneling LLC.

Methods and machines: TBM, tunneling, and micro tunneling. Pipe size: 1000 mm.

Length: 4,967 m

6. Project: Construction of Baucher sewer line - Oman/Muscat.

Contractor: GPS Construction.

Subcontractor: Vadnais Microtunneling LLC

Method and machines: MTBM, tunneling, and micro-tunneling. Pipe size: 800-1400 mm.

Length: 5,500 m

7. Project: Construction, Completion, and Maintenance of South.

Shamkha Infrastructure Lot 4 – Abu Dhabi.

Contractor: Saif Bin Darwish.

Subcontractor: Vadnais Microtunneling LLC.

Methods and machines: TBM, tunneling, and micro tunneling. Pipe size: 1000 mm, 1200 mm.

Length: 6,967 m

8. Project: The Development of South Shamkha Infrastructure Lot 2 – Abu Dhabi.

Contractor: Tristar Engineering & Construction.

Subcontractor: Vadnais Microtunneling LLC; Method & Machines: TBM, tunneling, and microtunneling; Pipe Size: 150-1800 mm.

Length: 9,306 m

9. Project: Construction of Baucher sewer line - Oman/Muscat.

Contractor: GPS Construction.

Subcontractor: Vadnais Microtunneling LLC

Method and machines: TBM, tunneling, and micro tunneling. Pipe size: 800-1400 mm.

Length: 5,500 m

10. Project: Construction of Internal Roads and Infrastructure.

Works in all Shawamekh area for sectors (01, 02, 04, 05, 09, 10), and South Spine, Abu Dhabi.

Contractor: Tristar Engineering & Construction.

Subcontractor: Vadnais Microtunneling LLC.

Method and machines: TBM, tunneling, and micro tunneling. Pipe size: 600–1600 mm.

Length: 2,400 m.

Start from scratch on the largest trenchless and micro tunneling project in the world, which includes a total tunneling distance of 75 km, with pipe diameters ranging from 600 to 3,500 mm, and a total number of shafts equal to 460 shafts with a maximum depth of 70 meters, using the famous Herrenknecht MTBM/TBM. The value exceeded 1,300,000,000 SR. (One billion, three hundred million Saudi Riyals.)

Responsibilities include the following:

• Prepare and plan the surveying team for the project.
• Prepare the required method statements and TBM machines.
• Analyze and study the geotechnical report, and decide the best method and TBM machine in accordance.
• Working closely with design, structural, and environmental engineers to ensure geotechnical designs are integrated into the overall project design.
• Ensuring that all geotechnical practices comply with local, state, and federal regulations, as well as industry standards, and safety protocols.
• Obtain all required permits to start excavation.
• Define the scope of work for the project staff.
• Assist and finalize the selection and procurement of all required TBM equipment, tools, and all types of machinery, and decide on all technical specs.
• Recruit the construction team for the project.
• Supervise all work activities, and provide solutions.
• Execute all construction activities as planned.
• Deal with all relevant departments of the project.
• Provide project status reports.
• Hand over all completed jobs, with all required documentation.

PROJECTS COMPLETED:

1. Project: North Jeddah Sewer Lines (World's Biggest Tunneling Project)

Jeddah, Saudi Arabia.

Client: Ministry of Water and Electricity.

Consultant: Ahmad Abdel Wareth & Partners Consulting Engineers.

Contractor: Al Harbi Trading & Contracting Company.

Method & Machines: MTBM Microtunneling

Pipe Size: 400 mm, 600 mm, 800 mm, 1,000 mm, 1,200 mm, 1,400 mm, 1,500 mm, 1,600 mm, 1,800 mm, 2,200 mm, 2,400 mm, 2,500 mm, 2,600 mm,

3000 m, 3500 mm

Shafts and Pits: 460 shafts at a depth of up to 70 m with a water table.

Length: 75 km.

Project Cost: 1,300,000,000, one billion, three hundred million SR. (355 million $)

I was able to demonstrate and introduce MTBM machines, trenchless methods, and micro tunneling methods, which were more accurate and productive than the other thrust boring methods the company was using at the time. Job responsibilities included the following:

• Manage all field operations.
• Communicate with clients, consultants, and the general public.
• Obtain all required approvals from clients and engineers.
• Control material purchases, manpower, and equipment allocations.
• Provide daily work plans that include technical support, problem-solving, schedule all required maintenance, and supervise it.
• Analyze all soil investigation and geotechnical reports, and select the most suitable method of tunnel and shaft construction.
• Prepare the required method statements and proposals.
• Excavate jacking and receiving pits using different methods, such as sheet piling, secant piling, and concrete caisson.
• Supervise the carrier pipe installation inside the casing, as well as the grout operation.
• Review jacking pipe design.

PROJECTS COMPLETED:

1. Project: 1 Heelliah 1, 2. UAE

Client: PWD.

Consultant: Ital Consult.

Contractor: ADMAK.

Method: Micro tunneling and directional drilling.

Pipe Size: 400 mm, 500 mm, 600 mm, 800 mm, 1,000 mm, 1,200 mm.

Length: 13,500 m.

Project Cost: 72 million AED (micro tunneling and directional drilling works).

2. Project: A99-0024 (Water Dist.) Network Alshabak. UAE

Client: ADWEA.

Consultant: Mott MacDonald.

Contractor: Astraco Construction.

Pipe Size: 300 mm, 400 mm, 600 mm, 800 mm.

Method and machines: Auger boring, EPB, and pipe jacking.

Length: 1,600 m.

3. Project: 307 (Silaa & Ghuifat Sewerage Scheme). UAE

Client: SPC.

Consultant: KEO.

Contractor: ADMAC.

Method & Machines: Micro Tunneling & Pipe Jacking.

Pipe Size: 500 mm, 800 mm, 1000 mm.

Length: 2,500 m.

4. Project: 503/1 (Samha Sewerage Scheme). UAE

Client: SPC.

Consultant: Parsons Int.

Contractor: ADMAC.

Method & Machines: Tunneling, TBM, & Micro Tunneling.

Pipe Size: 400 mm, 500 mm, 600 mm, 800 mm.

Length: 4,800 m.

5. Project: 302 (Madinat Zayed Sewerage Scheme). UAE

Client: SPC.

Consultant: KEO.

Contractor: Dhabi Contracting.

Method and machines: TBM tunneling and micro tunneling.

Pipe Size: 600 mm, 800 mm, 1000 mm, 1200 mm.

Length: 5,200 m.

6. Project: 304 (Mirfaa Zayed Sewerage Scheme). UAE

Client: SPC.

Consultant: KEO.

Contractor: ADMAC.

Method and Machines: Micro Tunneling and Pipe Jacking.

Pipe Size: 600 mm, 800 mm, 1000 mm, 1200 mm.

Length: 5,800 m.

7. Project: 506 (Shahama sewerage scheme). UAE

Client: SPC.

Consultant: Parsons Int.

Contractor: Gulf Contractor's Co.

Method and machines: TBM tunneling and micro tunneling.

Pipe Size: 800 mm, 1,000 mm, 1,200 mm.

Length: 2,400 m.

8. Project: 713 C (Sewerage of Baniyas East / Shawamikh Extension MPS 16 Force Main). UAE

Client: SPC.

Consultant: MWH.

Contractor: Egyptian Emirates Akaria.

Method and machines: tunneling, MTBM.

Pipe Size: 1000 mm, 1200 mm.

Length: 2,700 m.

9. Project: 806 Sheikh Zayed Residential City – Phase 7. UAE

Client: SPC.

Consultant: ACE.

Contractor: ADMAK.

Method: MTBM & Micro tunneling

Pipe Size: 600 mm, 800 mm, 1,000 mm.

Length: 3,200 m.

Project Cost: 16 million AED.

10. Project: 443 (Sewer connection at Al Wathba). UAE

Client: ADSS

Consultant: Dorsch Consult.

Contractor: Industrial and engineering enterprises.

Method and machines: TBM, tunneling, and micro tunneling.

Pipe Size: 800 mm, 1,000 mm, 1,200 mm, 1,400 mm.

Length: 5,400 m.

11. Project: 725, 726, and 727 (Sewer of Al Falah Phase II). UAE

Client: SPC.

Consultant: MWH.

Contractor: Nael & Bin Hamal.

Method and machines: MTBM and micro tunneling.

Pipe Size: 800 mm, 1,000 mm, 1,200 mm, 1,600 mm, 2,000 mm.

Length: 7,600 m.

12. Project: 308 (Liwa Sewer Scheme). UAE

Client: SPC.

Consultant: KEO.

Contractor: Neal & Bin Harmal.

Method & Machines: Tunneling, and Micro Tunneling.

Pipe Size: 400 mm, 800 mm, 1200 mm.

Length: 2,800 m.

13. Project: 147/12 (Mussafah Drainage and Sewer Scheme). UAE

Client: SPC.

Consultant: Hayder Consulting.

Contractor: Mabani.

Method & Machines: Micro Tunneling & TBM, and Pipe Jacking.

Pipe Size: 1800 mm, 2000 mm, 2200 mm.

Length: 4,250 m.

14. Project: 451 – Garrafah Trunk Sewer Phase 1 – Qatar.

Contractor: Al Huda Engineering Works.

Consultant: ASCO.

Method and machines: MTBM, tunneling, and micro tunneling.

15. Project: 573 – Markheyya Trunk Sewer – Qatar

Contractor: Temalco Contracting & Trading Co.

Consultant: KEO.

Method and machines: MTBM, tunneling, and micro tunneling.

16. Project: Doha & Rayyan PS 36 Area, Qatar.

Contractor: Lotus Trading & Contracting Co.

Consultant: ASCO.

Method and machines: MTBM, tunneling, and micro tunneling.

Length: 1,200 m.

Lily International Contracting Company, UAE-Dubai.

I started my Miro tunneling career with Lily International, which was one of the first tunneling companies in the Middle East. The company was managed by highly qualified engineers who were pioneers in microtunneling work in Europe.

Responsibilities included the following:

• Operate and maintain the MTBM, microtunneling machine.
• Sinking reinforced concrete caisson rings by the open method in different types of ground conditions.
• Supervise the pipe jacking operation, which uses steel casings ranging in diameters from 900 mm to 1,500 mm.
• Conducting all required maintenance.
• Preparing all required reports.
• Supervise the working team.

PROJECTS COMPLETED:

1. Project: DS69/11 – Dubai.

Contractor: Lilly International Co.

Consultants: Arif Bin Took and Freeman Fox.

Project Value: 175 million Dhs.

Method and machines: Micro tunneling.

2. Project: DS83/1A & 1B – Dubai.

Contractor: Lilly International Co.

Consultant: KAME.

Method and machines: micro tunneling.

3. Project: DS/83/111 Phase II & III.

Contractor: Lilly International Co.

Consultant: Montgomery Watson.

Methods and machines: Micro tunneling.

4. Project: DS68/IV – Dubai.

Contractor: Lilly International Co.

Consultant: KAME.

Project Value: 228 million Dhs.

Method and machines: micro tunneling.

5. Project: DS105 – Dubai.

Contractor: Lilly International Co.

Consultant: Montgomery Watson.

Project Value: 212 million Dhs.

Method and machines: micro tunneling.

7. Project: DS77 – Dubai.

Contractor: Lilly International Co.

Consultant: KAME.

Project Value: 14 million Dhs.

Methods and machines: TBM, micro tunneling.

8. Project: DS57 – Dubai.

Contractor: Lilly International Co.

Consultant: Montgomery Watson.

Project Value: 60 million Dhs.

Method and machines: TBM, tunneling, pipe jacking, and micro tunneling.

9. Project: ADSS – C131/5 – Abu Dhabi.

Contractor: Al Hamed Development.

Consultant: Acer, John Taylor & Sons.

Project Value: 29 million Dhs.