PERTEMUAN 06 07 TL

Summary

This lecture covers key concepts in technical drawing for water infrastructure engineering. It introduces various types of dams and their components, such as intake buildings, sluice gates, and sedimentation tanks, and explains their functions in water flow control. The focus is on understanding detailed technical drawings, including elevation and sectional views. The second part of the lecture dives into water treatment processes, highlighting purification techniques like slow sand filters. The course also includes information on the schedule for the midterm exam, assignments, and practical sessions, preparing students for both theoretical and hands-on learning.

Takeaways

• 😀 The lecturer is discussing the course schedule and reminders for the upcoming mid-term exam (UTS). The exam will be open book and take approximately 100-120 minutes.
• 😀 The current and upcoming lessons cover technical drawing for civil engineering, with a focus on water management structures such as dams and water purification systems.
• 😀 The lecture schedule is designed to allow for practical sessions (praktikum), with the possibility of online or offline learning depending on circumstances.
• 😀 The materials for the sixth and seventh weeks cover the basics of water building drawings, particularly dams, including the types of buildings involved like the vertical movement building, rubber dams, and others.
• 😀 The lecture emphasizes understanding the components of a dam, such as intake buildings, floodgates, and sedimentation tanks, with specific diagrams and sectional drawings provided for clarity.
• 😀 The lecturer explains various building components in detail, such as the role of gates and pumps, and introduces the notation for concrete structures used in water management.
• 😀 The dam drawings include sections and projections of various parts, showing how different components like the intake and sluice gates are designed and constructed.
• 😀 The topic of water filtration systems is introduced, including the process of slow sand filtration for drinking water, showing how contaminated water passes through biological and sand layers to become purified.
• 😀 The water purification system consists of multiple stages, including primary sedimentation, sand filtration, and final storage in clean water reservoirs, ready for use.
• 😀 The lecturer stresses the importance of timely task submission, with the final project or mid-term task due by the end of December. Students are reminded to prepare well for the upcoming UTS.
• 😀 The lecture also touches on the design and geometry of water filtration plants, detailing their components, including the types of materials used for building such structures and the typical layout of a purification facility.

Q & A

What is the focus of the course in the transcript?

The course is focused on technical drawing, specifically for civil engineering, with a particular emphasis on engineering drawings related to water structures and systems, such as dams and water treatment plants.

What are the key topics covered in weeks 6 and 7 of the course?

Weeks 6 and 7 cover the introduction to water structure drawings, with a focus on dams, types of dams, and their components. It also includes an introduction to water treatment plant drawings, especially the slow sand filter system.

What types of dams and water structures are mentioned?

The transcript mentions several types of dams and associated structures, including a permanent weir, vertical lift gates, rubber dams, intake weirs, sluice gates, and components like sedimentation tanks, embankments, and river reinforcement structures.

What are the key components of a dam structure according to the transcript?

Key components of a dam structure include the main building (which houses flood embankments and intake structures), sluice gates, sedimentation basins, river reinforcement, and supporting buildings.

How are water flow and material types depicted in technical drawings?

Water flow and material types in technical drawings are represented with various notations. For example, reinforced concrete is shown with solid and dashed lines, while materials like sand or stone are indicated with specific patterns or symbols.

What is the purpose of the sluice gates in a dam structure?

Sluice gates in a dam structure are used to regulate the flow of water, helping to control the release and distribution of water from the dam.

What is the significance of the 'sand filter' system in water treatment?

The sand filter system is used for purifying water. It filters out impurities by allowing water to pass through layers of biological material and sand, ensuring that the water becomes clear and safe for consumption.

What are the steps involved in the water treatment process as described in the transcript?

The water treatment process involves several stages: first, raw water enters the sedimentation tank, where large particles settle; next, the water passes through the slow sand filter, where finer impurities are removed. Finally, the treated water is stored in a clean water tank before being distributed.

How does the diagram of the water treatment system help explain the process?

The diagram of the water treatment system illustrates the step-by-step flow of water through the treatment stages. It shows how water is filtered through multiple layers, such as biological layers and sand, to achieve clearer, cleaner water before distribution.

What is the purpose of the class schedule mentioned in the transcript?

The class schedule outlines the timeline for the course, including lectures, practical sessions, and assignments. It also provides important dates for midterms, final exams, and the submission of assignments to ensure the course is completed by the end of January, ahead of February.