Building with Engr Ogar

Building with Engr Ogar Here we give you free professional infos you need to know about your building project. Civil Engineer

Here's a step-by-step guide to properly install a washbasin in the kitchen:Preparation1. Choose the right location: Ensu...
10/08/2025

Here's a step-by-step guide to properly install a washbasin in the kitchen:

Preparation

1. Choose the right location: Ensure the location is convenient, accessible, and complies with local plumbing codes.

2. Prepare the countertop: Ensure the countertop is level, clean, and dry.

Installation Steps

1. Mark the basin location: Mark the center of the basin on the countertop, ensuring it's aligned with the faucet holes.
2. Cut the countertop: Cut a hole in the countertop for the basin, using a jigsaw or a sink-cutting template.
3. Apply silicone sealant: Apply a bead of silicone sealant around the edge of the basin hole.
4. Mount the basin: Carefully lower the basin into the hole, ensuring it's centered and level. Use mounting clips or brackets to secure the basin to the countertop.

Final Touches
Seal the edges: Apply additional silicone sealant around the edges of the basin to ensure a watertight seal.

Engr. Engr Marcel Ogar MNSE, C.Reg

Maintaining a critical distance between buildings is crucial to prevent water damage, erosion, and ice damage. The recom...
08/08/2025

Maintaining a critical distance between buildings is crucial to prevent water damage, erosion, and ice damage. The recommended distance varies depending on roof size, drainage, climate, and local codes, typically ranging from 3-6 feet. Consult local building codes or experts to determine the specific distance required for your project.

After a careful study of this failure and a personal examination of the rubbles from this collapse, I will like to write...
30/07/2025

After a careful study of this failure and a personal examination of the rubbles from this collapse, I will like to write a few things to help young engineers and persons in construction learn something.

Concrete drainage cover slab collapse can occur due to various reasons, but I will give you three (3) reasons. There include:

1. Poor Design: Inadequate design can compromise the structural integrity of the slab. If the concrete mix ratio for the slab not stated and the number and size of the reinforcement (rods) are not stated clearly in the design could lead to collapse. Under-design could cause collapse.

2. Poor Construction
Failure to use the proper materials like cement, sand and aggregate(stones) in their right proportion can lead to the collapse of the slap. By using lesser quantity of cement than what is required during concrete mixing could lead to collapse.

3. Overloading: Excessive weight or traffic can cause the slab to crack or collapse. And there was no measure put in place to check loads and traffic to prevent overloading the slab.

PROFESSIONAL ADVICE:
1. Reinforcement:
Use reinforcement materials, such as steel rebar or fiber mesh, to enhance the structural integrity of the slab.

2. Building Materials
Use good materials like cement, sand and aggregate (stones) in strict adherence to the right mix ratio and global best practice.

3. Load Management: Manage loads and traffic to prevent overloading the slab. Prevent heavy duty vehicle from passing over such slap.

Engr Ogar M.O. mnse
Civil Engineer

Uprooting tree stumps before construction is crucial to prevent potential damage to the building. Here's why:1. Further ...
28/07/2025

Uprooting tree stumps before construction is crucial to prevent potential damage to the building. Here's why:

1. Further root growth: Tree roots can continue to grow and expand, causing the soil to shift and settle unevenly. This can lead to cracks in the building's foundation and walls.

2. Soil instability: Tree roots can create voids and instability in the soil, compromising its load-bearing capacity. This can cause the building to settle or shift, leading to cracks and structural issues.

3. Moisture accumulation: Tree roots can retain moisture, which can lead to increased humidity and water accumulation around the foundation. This can cause erosion, settlement issues, or water damage.

4. Foundation damage: As roots grow, they can exert pressure on the foundation, causing cracks, displacement, or other damage.

5. Future problems: If tree stumps are not removed, roots can continue to grow, causing problems in the future, such as:
- Cracks in walls and floors
- Uneven settlement
- Foundation damage
- Water damage

Removing tree stumps and roots helps ensure a stable foundation and prevents potential damage to the building. It's essential to:

1. Completely remove stumps and roots: Ensure all tree material is removed, including roots, to prevent regrowth.
2. Backfill and compact soil: Fill the excavated area with suitable material and compact the soil to create a stable base.

By uprooting tree stumps and taking necessary precautions, you can help prevent costly repairs and ensure a safe and durable building.
Engr Marcel Ogar

Don't let any bricklayer convince you that it is necessary to use so much mortar during blocklaying.Using mortar with sm...
24/07/2025

Don't let any bricklayer convince you that it is necessary to use so much mortar during blocklaying.
Using mortar with smaller thickness (typically 3-6 mm) is beneficial compared to higher thickness for several reasons.

Here are some of the benefits:
1. Stronger bond: Thinner mortar joints tend to have a stronger bond between blocks, reducing the likelihood of cracks and structural issues.
2. Less shrinkage: Thinner mortar joints shrink less during curing, minimizing the risk of cracks and structural problems.
3. Improved durability: Smaller mortar thickness reduces the risk of mortar degradation, leading to a more durable structure.
4. Better load distribution: Thinner mortar joints help distribute loads more evenly, reducing stress concentrations.
5. Aesthetic appeal: Thinner mortar joints provide a more visually appealing finish.
6. Cut waste: Thinner mortar will largely help to cut down the quantity of mortar used for block-laying hence reducing the overall cost of the building.

Bending the edges of rods in building reinforcement (also known as rebar) is a critical structural practice in reinforce...
22/07/2025

Bending the edges of rods in building reinforcement (also known as rebar) is a critical structural practice in reinforced concrete construction. Here are the key reasons for bending rebar edges:

1. Anchorage and Bonding
Purpose: To ensure the steel bars are properly anchored within the concrete and don’t slip.

How it works: When rebar is bent at the ends (often into hooks or U-shapes), it provides better grip and increases the mechanical interlock between steel and concrete.

Result: Improved transfer of stress from concrete to steel, especially in tension zones.

2. Load Distribution
Bent bars help distribute the load more evenly, particularly at the ends of beams, slabs, or columns where high stresses occur.

3. Development Length Compliance
Building codes require a minimum length (development length) for rebar to effectively transfer stress.

Bending the rod ends can reduce the required straight development length, especially where space is limited.

4. Crack Prevention
Bent bars provide restraint at the ends of structural elements, reducing the risk of cracking due to shrinkage, temperature changes, or localized stresses.

5. Structural Continuity
In elements like stirrups, hooks ensure that bars enclose longitudinal reinforcement securely.

This is crucial in resisting shear forces in beams and columns.

6. Seismic Resistance
In earthquake-prone zones, bent rebar (e.g., 135° hooks) is essential for ductility and energy dissipation, helping the structure flex rather than break.

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