Construction: Difference between revisions
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|caption=Construction of an embankment dam. | |caption=Construction of an embankment dam. | ||
(Image Source: [https://commons.wikimedia.org/wiki/File:Gathright_Dam_Construction_050_(3968935972).jpg Wikimedia]) | |||
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"The design of an earth or rock-fill dam is a process continued until construction is completed. Much additional information on the characteristics of foundations and abutments is obtained during clearing, stripping, and trenching operations, which may confirm or contradict design assumptions based on earlier geologic studies and subsurface exploration by [[drill]] holes and test pits. Operations in the borrow areas and in required excavations also provide much data pertinent to characteristics of fill material and of excavated slopes. Weather and [[groundwater]] conditions during construction may significantly alter water contents of proposed fill material, or create seepage and/or hydraulic conditions, necessitating modifications in design. Projects must be continuously evaluated and “re-engineered,” as required, during construction, to ensure that the final design is compatible with conditions encountered during construction. Design and design review personnel will make construction site visits to determine whether design modifications are required to meet actual field conditions (see ER 1110-2-112). [[Environmental]] considerations must (also) be given attention in construction operations. "<ref name="EM2300">[[General Design and Construction Considerations for Earth and Rock-Fill Dams (EM 1110-2-2300) | General Design and Construction Considerations for Earth and Rock-Fill Dams (EM 1110-2-2300), USACE]]</ref> | "The design of an earth or rock-fill dam is a process continued until construction is completed. Much additional information on the characteristics of foundations and abutments is obtained during clearing, stripping, and trenching operations, which may confirm or contradict design assumptions based on earlier geologic studies and subsurface exploration by [[drill]] holes and test pits. Operations in the borrow areas and in required excavations also provide much data pertinent to characteristics of fill material and of excavated slopes. Weather and [[groundwater]] conditions during construction may significantly alter water contents of proposed fill material, or create seepage and/or hydraulic conditions, necessitating modifications in design. Projects must be continuously evaluated and “re-engineered,” as required, during construction, to ensure that the final design is compatible with conditions encountered during construction. Design and design review personnel will make construction site visits to determine whether design modifications are required to meet actual field conditions (see ER 1110-2-112). [[Environmental]] considerations must (also) be given attention in construction operations. "<ref name="EM2300">[[General Design and Construction Considerations for Earth and Rock-Fill Dams (EM 1110-2-2300) | General Design and Construction Considerations for Earth and Rock-Fill Dams (EM 1110-2-2300), USACE, 2004]]</ref> | ||
==Roles and Responsibilities== | ==Roles and Responsibilities== | ||
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==Types of Construction Activities== | ==Types of Construction Activities== | ||
* [[ | * [[Geotechnical Exploration]] | ||
* [[Dewatering]] | |||
* [[Care and Diversion of Water]] | * [[Care and Diversion of Water]] | ||
* [[Support of Excavation]] | * [[Support of Excavation]] | ||
* [[Construction | * [[Foundation Protection & Preparation]] | ||
* [[Grouting]] | |||
* [[Design and Construction of Outlet Works|Outlet Works Construction]] | |||
* [[Test Quarries and Test Fills]] | |||
* [[Test Programs to Demonstrate Contractor Means and Methods]] | |||
* [[Contractor Quality Control]] | |||
* [[First Filling and Monitoring]] | |||
==Construction Management Services== | ==Construction Management Services== | ||
* [[Permitting]] | * [[Permitting]] | ||
* [[Constructability Review]] | * [[Constructability Review]] | ||
* [[Engineering Oversight]] | * [[Engineering Oversight of Construction|Engineering Oversight]] | ||
* [[Change Management]] | * [[Change Management]] | ||
* [[Quality Assurance]] | |||
* [[Record Keeping]] | * [[Record Keeping]] | ||
==Trainings== | |||
{{Website Icon}} [[Technical Seminar: Dam Construction and Inspection]] | |||
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Latest revision as of 15:34, 2 February 2024
|
| Construction of an embankment dam.
(Image Source: Wikimedia) |
"The design of an earth or rock-fill dam is a process continued until construction is completed. Much additional information on the characteristics of foundations and abutments is obtained during clearing, stripping, and trenching operations, which may confirm or contradict design assumptions based on earlier geologic studies and subsurface exploration by drill holes and test pits. Operations in the borrow areas and in required excavations also provide much data pertinent to characteristics of fill material and of excavated slopes. Weather and groundwater conditions during construction may significantly alter water contents of proposed fill material, or create seepage and/or hydraulic conditions, necessitating modifications in design. Projects must be continuously evaluated and “re-engineered,” as required, during construction, to ensure that the final design is compatible with conditions encountered during construction. Design and design review personnel will make construction site visits to determine whether design modifications are required to meet actual field conditions (see ER 1110-2-112). Environmental considerations must (also) be given attention in construction operations. "[1]
Roles and Responsibilities
Types of Construction Activities
- Geotechnical Exploration
- Dewatering
- Care and Diversion of Water
- Support of Excavation
- Foundation Protection & Preparation
- Grouting
- Outlet Works Construction
- Test Quarries and Test Fills
- Test Programs to Demonstrate Contractor Means and Methods
- Contractor Quality Control
- First Filling and Monitoring
Construction Management Services
- Permitting
- Constructability Review
- Engineering Oversight
- Change Management
- Quality Assurance
- Record Keeping
Trainings
Technical Seminar: Dam Construction and Inspection
Citations:
Revision ID: 7803
Revision Date: 02/02/2024