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Questions and Answers
What is the purpose of site investigation prior to designing and constructing a building?
What is the purpose of site investigation prior to designing and constructing a building?
- To collect necessary data for designing and constructing the building (correct)
- To determine the cost of the project
- To investigate the history of the site
- To assess the aesthetics of the site
Which division of MasterFormat includes categories like Site Remediation and Water Remediation?
Which division of MasterFormat includes categories like Site Remediation and Water Remediation?
- Division 02 (correct)
- Division 60
- Division 70
- Division 31
Which division of MasterFormat includes categories like Earth Moving and Special Foundations?
Which division of MasterFormat includes categories like Earth Moving and Special Foundations?
- Division 31 (correct)
- Division 40
- Division 50
- Division 02
What is the purpose of Desk Study in site investigation?
What is the purpose of Desk Study in site investigation?
What is the purpose of Subsurface Investigation as part of Division 02 of MasterFormat?
What is the purpose of Subsurface Investigation as part of Division 02 of MasterFormat?
What is the main focus of CSI MasterFormat Division 31: Earthwork?
What is the main focus of CSI MasterFormat Division 31: Earthwork?
What is the main purpose of soil investigation?
What is the main purpose of soil investigation?
Which factor affects the depth of soil investigation?
Which factor affects the depth of soil investigation?
In which type of ground are trial pits generally used?
In which type of ground are trial pits generally used?
Which type of boring method is suitable for depths over 3 meters?
Which type of boring method is suitable for depths over 3 meters?
What is wash boring as a method of soil investigation?
What is wash boring as a method of soil investigation?
What determines the type of soil investigation method to be conducted?
What determines the type of soil investigation method to be conducted?
When are cylindrical augers and shells used for soil investigation?
When are cylindrical augers and shells used for soil investigation?
What is the main purpose of establishing the physical, chemical, and general characteristics of subsoil in soil investigation?
What is the main purpose of establishing the physical, chemical, and general characteristics of subsoil in soil investigation?
What is the use case of hand or mechanical auger in boring methods?
What is the use case of hand or mechanical auger in boring methods?
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Study Notes
Site Investigation Purpose
- Ensures understanding of ground conditions prior to building design and construction
- Identifies potential risks and informs safe construction practices
MasterFormat Divisions
- Division including Site Remediation and Water Remediation: Division 02
- Division including Earth Moving and Special Foundations: Division 31
Desk Study Purpose
- Conducted to gather preliminary data about a site
- Reviews existing information to guide further investigations
Subsurface Investigation Purpose (Division 02)
- Aims to assess soil and groundwater conditions
- Supports safe and economical design based on subsurface conditions
Division 31: Earthwork Focus
- Primarily deals with ground preparation for construction projects
- Includes excavation, grading, and other earth-moving activities
Soil Investigation Purpose
- Identifies soil properties to ensure structural integrity and safety
- Provides essential data for appropriate foundation design
Factors Affecting Depth of Soil Investigation
- Type of structure planned (e.g., high-rise vs. single family)
- Site-specific conditions such as soil type and groundwater presence
Trial Pits Use Case
- Generally used in cohesive or soft ground for easy excavation
- Allows direct observation and sampling of soil layers
Suitable Boring Method for Depths Over 3 Meters
- Rotary drilling method is preferred for deeper soil investigation
- Ensures accurate sampling and data collection at significant depths
Wash Boring Method Description
- Involves forcing water through drilling tools to clear debris
- Useful for collecting soil samples while maintaining borehole stability
Determining Soil Investigation Method
- Based on site-specific conditions, investigation goals, and budget
- Considerations include depth, soil type, and required data accuracy
Use of Cylindrical Augers and Shells
- Employed when sampling cohesive soils or unstable formations
- Effective for collecting continuous soil samples
Purpose of Establishing Subsoil Characteristics
- To identify potential geotechnical issues that could impact construction
- Important for regulating factors like drainage, load-bearing capacity, and contamination
Hand or Mechanical Auger Use Case
- Suitable for shallow investigations where quick soil sampling is needed
- Efficient for preliminary assessments or areas with limited access
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