SOP 2 PELEBARAN PERKERASAN

Summary

The transcript outlines standard operational procedures for road widening and strengthening projects. It details the process of adding width and strength to existing roads according to operational plans, including alignment correction, excavation and disposal of existing materials, and installation of foundation layers. The script emphasizes the importance of meeting design specifications, obtaining directorial approval for material use, and ensuring safety measures are in place. It also discusses the need for proper mixing of new and old materials, maintaining surface conditions, and conducting quality control tests to ensure the road's stability and durability.

Takeaways

• ⚠️ The process involves expanding and strengthening the width of an old road according to standard operational procedures.
• 🛠️ Work includes adding width to the existing road to meet the required traffic lane width as shown in the plan or directed by the board.
• 🔍 Alignment improvement work is necessary to straighten roads and reduce curves and crests.
• 🚧 Excavation and removal of existing materials, as well as trimming the edges of the road, are part of the preparation for the expansion work.
• 🏗️ Installation of a base layer, aggregate, and asphalt layers are required according to the lines and dimensions provided in the drawings or approved by the board.
• 👷‍♂️ Work begins based on specifications, work drawings or details, design, and approval to start work from the project.
• 🚧 Traffic control measures, including temporary signs and barriers, are implemented when road shoulder work is part of the expansion.
• 🌳 Tree felling is only carried out if absolutely necessary for the road expansion and must be replaced with new plantings.
• 📏 The contractor must maintain the surface of the prepared base in a dry and stable condition until the required asphalt application.
• 🔬 Quality control is emphasized through frequent testing of materials, including plastic index tests, gradation tests, and density tests.

Q & A

What does the term 'pelebaran perkerasan' refer to in the context of the script?

In the context of the script, 'pelebaran perkerasan' refers to the process of widening and strengthening an existing road according to the standard operational procedure plan.

What are the main activities included in the road widening and strengthening project?

The main activities include adding width to the existing road, alignment correction, excavation and removal of existing materials, edge trimming, installation of base layers, and ensuring good soil base conditions for the work.

What is the purpose of alignment correction in the road widening process?

The purpose of alignment correction is to make the road straighter and reduce curves and crests at bends or on gradients to improve road safety and efficiency.

What are the requirements for the materials used in the road widening and strengthening work?

The materials used must be approved by the director and should not be mixed with the excavated materials. They must also meet the specifications and design requirements, including proper compaction and quality control.

How is the excavation depth determined for the road widening and strengthening project?

The excavation depth is determined according to the plan shown in the drawings or as directed by the director, and it must be in accordance with the specifications.

What is the significance of the edge trimming process in road construction?

Edge trimming is significant as it ensures that the exposed edges of the road are hard, stable, and free from cracks or other instabilities, creating a clean vertical surface that meets the specified requirements.

What are the specifications for the width of the road widening work?

The width of the road widening must be sufficient to accommodate the required traffic lanes as per the design shown in the drawings or as directed by the director.

What is the minimum practical width for road widening as mentioned in the script?

The minimum practical width for road widening mentioned in the script is 0.5 meters. If the theoretical required width is less than 0.5 meters but more than 0.3 meters, the 0.5-meter width must be implemented.

What are the conditions under which no road widening work is necessary?

No road widening work is necessary if the theoretical required width is less than 0.3 meters.

What are the requirements for surface preparation before the road widening and strengthening work?

The surface must be prepared, compacted, and inspected as required by the specifications. The contractor must maintain the surface in a dry and stable condition until the required paving for the widening and strengthening is done.

What are the quality control measures for the asphalt layer in the road widening project?

Quality control measures include conducting a minimum number of tests for plastic index, gradation, and density, and ensuring that the asphalt layer meets the dimensional tolerances, compaction, and thickness requirements as specified.