• Welcome to your new Gnomio site

    Now, you are in control!

    Moodle is an open-source Learning Management System (LMS) that provides educators with the tools and features to create and manage online courses. It allows educators to organize course materials, create quizzes and assignments, host discussion forums, and track student progress. Moodle is highly flexible and can be customized to meet the specific needs of different institutions and learning environments.

    Moodle supports both synchronous and asynchronous learning environments, enabling educators to host live webinars, video conferences, and chat sessions, as well as providing a variety of tools that support self-paced learning, including videos, interactive quizzes, and discussion forums. The platform also integrates with other tools and systems, such as Google Apps and plagiarism detection software, to provide a seamless learning experience.

    Moodle is widely used in educational institutions, including universities, K-12 schools, and corporate training programs. It is well-suited to online and blended learning environments and distance education programs. Additionally, Moodle's accessibility features make it a popular choice for learners with disabilities, ensuring that courses are inclusive and accessible to all learners.

    The Moodle community is an active group of users, developers, and educators who contribute to the platform's development and improvement. The community provides support, resources, and documentation for users, as well as a forum for sharing ideas and best practices. Moodle releases regular updates and improvements, ensuring that the platform remains up-to-date with the latest technologies and best practices.

    Links of interest:

    (You can edit or remove this text)

Available courses

CONTROL SURVEY

Vertical Control and Benchmarks 

1. Vertical Control

Vertical control in surveying refers to the process of determining the elevation or height of points on the earth’s surface relative to a reference level, usually mean sea level (MSL). It helps surveyors know how high or low a point is compared to another point.

Vertical control is important in engineering works such as:

Construction of roads

Railways

Drainage systems

Buildings

Dams

It is usually established through levelling or modern methods such as GPS surveying.

Types of Vertical Control:

Primary vertical control – Very accurate control points established over large areas.

Secondary vertical control – Less accurate than primary but used to extend control.

Tertiary vertical control – Used for local surveys and construction projects.

2. Benchmarks (BM)

A benchmark is a fixed reference point whose elevation is known relative to mean sea level. Surveyors use benchmarks as starting points when measuring elevations of other points.

Benchmarks are usually marked on permanent objects such as:

Concrete pillars

Buildings

Bridges

Metal plates fixed in the ground

Types of Benchmarks:

GTS Benchmark (Great Trigonometrical Survey Benchmark)

Established by national survey authorities.

Very accurate and widely spaced.

Permanent Benchmark

Fixed by local authorities or survey departments.

Placed on permanent structures like buildings or bridges.

Temporary Benchmark (TBM)

Established temporarily during a survey project.

Used as a reference point for a short period.

Arbitrary Benchmark

A point given an assumed elevation for convenience when the actual elevation is not known.