Expertise: Geo-Technical and Geology
Expertise Group: Engineering
Consultant Source: International
TOR Keywords: Geo-Technical Engineer
Objective and Purpose of the Assignment
I. OBJECTIVE
- Pakistan’s Water and Power Development Authority (WAPDA) desires to develop the Naulong Multipurpose
Dam Project (NMDP) consisting of a 57 m high dam at the downstream end of the Mula River, storing 247
MCM, irrigating 19,000 ha, providing 13.5 MCM of water for household use and generating 4.4 megawatt
(26.6 gigawatt hours) of hydropower. - A Dam Safety Panel of Experts (DSPOE) will be established to provide technical review of the detailed
designs and ensure that the dam safety is assured over the long term and that the dam and reservoir are
sustainably developed, operated, and maintained. The Panel will be appointed, in line with their
individual experts under framework contracts, throughout the project preparation and implementation
phases, up to the first period of the operation phase. - The safety assessment of the Dam and associated structures will be carried out in line with the
relevant regulations of the Pakistan Government as well as international technical standards, such as
those of the International Commission on Large Dams (ICOLD). The DSOPE will review and provide the
Client with recommendations on detailed designs, bidding documents, construction plan, implementation
schedules, etc.
Scope of Work
II. SCOPE OF SERVICES
- The DSPOE will consist of four (4) members each with 2 person-months input:
(i) Dam Specialist / Chairperson;
(ii) Geotechnical Specialist;
(iii) Hydrology and Hydraulics Specialist; and
(iv) Hydro Electrical and Mechanical Specialist.
In addition to the four experts, other experts, subject to actual requirements, may be mobilized for
implementing specialized reviews.
- The Client will organize periodic working missions for the DSPOE at the dam site depending on
requirements in each phase of project implementation. The Client will provide the DSPOE with documents,
drawings, information, and data required for safety review. The DSOPE will prepare, sign, and submit a
Report before completion of each mission. The Report should indicate issues to be paid attention to and
propose recommendations. The Chairperson (Dam Specialist) will be responsible for coordinating
activities of the DSPOE, presiding at meetings, making final decisions, and finalizing the DSPOE’s
Reports.
Detailed Tasks and/or Expected Output
III. KEY TASKS
- The tasks of the Geo-Technical Specialist as Member of the DSPOE are outlined below.
- Geotechnical Specialist (2 P-Ms) – (Intermittent Input for the Period of 07 Months)
1) Tasks
The primary tasks of the Geotechnical Specialist on the DSPoE will include, but not necessarily be
limited to, the following:
i. Review of the geological and geotechnical aspects of design reports;
ii. Review of the geological and geotechnical investigation reports, such as drilled core assessment,
permeability tests, in-situ and laboratory tests, etc.; and assess the need for additional
investigations and tests, if required;
iii. Review of the seismological aspects of the dam site and areas as required;
iv. Performance of the dam site inspection, along with the results of site investigations, surveys, and
test results, and check their adequacy;
v. Review of the geotechnical aspect of the Construction Supervision and Quality Assurance Plans, and
assessment of the results of instrumentation data related to geotechnical aspects of the foundation
during construction works and recommending additional monitoring, survey, and design modifications if
any;
vi. Recommending follow up actions related to geotechnical aspects of the work (if any) to ensure the
safety of the dam’s works, considering potential risks and required safety level;
vii. Review of the technical specifications and drawings of the bidding documents and providing
technical support for the geotechnical aspects of the bidding process, including pre-qualification, bid
evaluation, contract negotiations;
viii. Review of the adequacy of the instrumentation plan, such as piezometers, seepage measuring
devices, settlement survey, slope inclinometers, and extensometers, including their numbers, locations,
monitoring frequency, etc.; and
ix. Coordinating with the DSPOE chair and other panelists for fulfilling the assignments in the field
and his/her home offices under the guidance of the client.
2) Deliverables
Preparation of the Geotechnical component of the DSPoE report covering:
i. Contribute to the Panel’s comprehensive report during each visit and meeting, as directed by the
Chair of the Panel.
ii. Review of the geological and geotechnical aspects of design reports;
iii. Review of the geological and geotechnical investigation reports, such as drilled core assessment,
permeability tests, in-situ and laboratory tests, etc.; and assess the need for additional
investigations and tests, if required;
iv. Review of the seismological aspects of the dam site and areas as required;
v. Performance of the dam site inspection, along with the results of site investigations, surveys, and
test results, and check their adequacy;
vi. Review of the geotechnical aspect of the Construction Supervision and Quality Assurance Plans, and
assessment of the results of instrumentation data related to geotechnical aspects of the foundation
during construction works and recommending additional monitoring, survey and design modifications if any;
vii. Recommending follow up actions related to geotechnical aspects of the work (if any) to ensure the
safety of the dam’s works, considering potential risks and required safety level;
viii. Review of the technical specifications and drawings of the bidding documents and providing
technical support for the geotechnical aspects of the bidding process, including pre-qualification, bid
evaluation, contract negotiations; and
ix. Review of the adequacy of the instrumentation plan, such as piezometers, seepage measuring devices,
settlement survey, slope inclinometers, and extensometers, including their numbers, locations,
monitoring frequency, etc.;
Minimum Qualification Requirements
3) Qualifications
The Geotechnical Specialist should meet the following minimum requirements:
• Master’s degree in Geotechnical Engineering, Geological Engineering, or other relevant majors;
• Ideally 25 years of experience in relevant professional works;
• 10 Years extensive experience in designing and construction of large dams preparing geotechnical
aspects of construction plan and schedule for large-scale or complex dam projects; and geotechnical
related works for dam safety Planning, instrumentation, and monitoring.
• 03 Years work experience in the region.
Minimum General Experience: 25 Years
Minimum Specific Experience (relevant to assignment): 10 Years
