👉JOB VACANCY

⏺Project coordinator
⏺Senior office engineer
⏺Junior site engineer

@etconp

👉የ ሰብ ኮንትራት ጥሪ

🏷Sub-Contractor (Formwork, Reinforcement, Masonry, Plastering, Gypsum Board Installation and Ceramic)

⚡️ቀነ ገደብ: June 19, 2025

🚧Key Responsibilities:

- Erect and dismantle formwork for concrete structures
- Install reinforcement bars (rebar) according to engineering specifications
- Perform masonry work including bricklaying, blockwork, and stonework
- Execute plastering and finishing tasks to achieve smooth surfaces
- Apply paint and finishes to walls and ceilings
- Install gypsum boards and other drywall systems
- Fit and tile ceramic and porcelain finishes
- Assist with other construction duties as required, maintaining safety and quality standards

📜Qualifications & Experience:

- Proven experience in formwork, reinforcement, masonry, plastering, painting, gypsum board installation, and ceramic
- Ability to interpret drawings and technical instructions
- Strong understanding of safety regulations and best practices
- Reliable, punctual, and able to work independently or as part of a team
- Valid certifications or licenses related to construction trades are a plus

❇️We Offer:

- Competitive remuneration based on experience and skill level
- Opportunity to work on diverse projects
- Supportive team environment
- Opportunities for ongoing work and professional growth
 
📩Interested applicants should submit in person or by mail their non-returnable application with CVs & relevant documents within ten working days from the date of this announcement, on first floor of Turkana Building at Lideta sub city woreda 08 Geja Sefer to Mola Maru road just next to CBE.

📞For further information please call +251944-32-60-86
Or +251-11-557-62-49/53/54/57/58/62

Fax: +251-11-113 20 58 89,

P.O.Box 4215

E-mail Address: Vacancies@elmiconstruction.com

Addis Ababa, Ethiopia

@etconp

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📍አማራ ክልል አዊ ዞን አከባቢ ላላቹ

🚧የ ኮንስትራክሽን ባለሞያዎች

@etconp

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📍ኢትዮጵያ ዉስጥ የትም እንልክሎታለን

♧ ይደውሉልን ያማክሩን

0904040477
0994941708

👉Earned Value Management (EVM)

💫If you’re managing projects, understanding and applying Earned Value Management is essential to stay on top of costs, schedules, and overall performance.

🏷Here is the basic understanding for EVM

🔹 Key Terms & Definitions:

PV (Planned Value): What you planned to spend.
AC (Actual Cost): What you spent.
EV (Earned Value): The value of work completed so far.
CV (Cost Variance) and SV (Schedule Variance): Where you stand on cost and schedule.
CPI (Cost Performance Index) and SPI (Schedule Performance Index): Efficiency indicators.

🔹 Formulas:

Know how to calculate variance and performance indices quickly.

Use ETC (Estimate to Complete) and EAC (Estimate at Completion) to forecast project costs.

🔹 Interpretation Tips:
If EV < PV → the project is behind schedule.
If EV < AC → the project is over budget.
If CPI or SPI < 1 → poor cost/schedule efficiency.

Via Yonatan Tadesse (PMP®️)

@etconp

👉Expansion joints in concrete road pavement are critical components designed to accommodate thermal expansion, contraction, and other movements in concrete slabs due to temperature changes, moisture variations, and traffic loads.

💫They prevent uncontrolled cracking, buckling, or stress buildup, ensuring the pavement’s durability and performance.

🚧Below is a detailed explanation of expansion joints, covering their purpose, design, materials, installation, and maintenance.

1. Purpose of Expansion Joints
Expansion joints serve the following key functions:

- Accommodate Thermal Movement: Concrete expands in hot weather and contracts in cold weather. Expansion joints allow slabs to move without inducing stresses that could cause cracking or spalling.
- Prevent Buckling: In high temperatures, concrete slabs can compress against each other, leading to buckling or blowups. Expansion joints provide space for this expansion.
- Absorb Vibrations and Loads: They help mitigate stresses from traffic loads and dynamic movements.
- Isolate Structures: Expansion joints separate pavement slabs from fixed structures like bridges, manholes, or adjacent pavements to prevent damage from differential movement.

2. Key Features of Expansion Joints

- Location: Typically placed at regular intervals (e.g., every 15–30 meters, depending on design standards) or at points where the pavement meets fixed structures.
- Width: Usually 10–25 mm wide, depending on the expected movement, slab thickness, and climate conditions.
- Depth: Extends through the full depth of the concrete slab to allow free movement.
- Joint Filler: A compressible material is placed in the joint to fill the gap while allowing movement.
- Sealing: Joints are sealed to prevent water infiltration, debris accumulation, and damage from freeze-thaw cycles.

3. Components of Expansion Joints

- Joint Filler Material:
  - Purpose: Fills the gap to prevent debris entry while allowing expansion and contraction.
  - Common Materials:
    - Compressible Fiberboard: Made of wood, cork, or cane fibers impregnated with bitumen (ASTM D1751 or IS 1838).
    - Foam or Sponge Rubber: Highly flexible and durable for large movements.
    - Cork or Cork-Based Materials: Used in some regions for compressibility.
    - Polymer-Based Fillers: Modern materials with high elasticity and durability.
  - Properties: Must be compressible, resilient, weather-resistant, and able to recover after compression.
- Joint Sealant:
  - Purpose: Seals the joint to prevent water and debris ingress, which could damage the subbase or cause corrosion of dowels.
  - Common Sealants:
    - Hot-Poured Sealants: Bituminous or rubberized asphalt sealants (ASTM D6690 or IS 1834).
    - Cold-Poured Sealants: Silicone or polyurethane-based sealants for better flexibility and UV resistance.
    - Preformed Elastomeric Seals: Compression seals inserted into the joint for high-performance applications.
  - Properties: Must be flexible, adherent to concrete, and resistant to weathering, chemicals, and abrasion.
- Dowel Bars (Optional):
  - Purpose: Transfer loads across expansion joints while allowing horizontal movement. They prevent vertical displacement (faulting) between slabs.
  - Material: Typically smooth, epoxy-coated steel bars (ASTM A615 or IS 432).
  - Design: Placed at mid-depth of the slab, with one end bonded to the concrete and the other end free to slide (often coated with a bond-breaker like grease).
  - Size and Spacing: Diameter (25–40 mm) and spacing (300–450 mm center-to-center) depend on slab thickness and traffic load.
  - Caps: Plastic or rubber caps are used on the free end to allow movement.

4. Design Considerations

- Spacing:
  - Depends on slab thickness, concrete type, climate, and traffic conditions.
  - Typical spacing: 15–30 meters for plain concrete pavements, but closer (10–15 meters) in hot climates or for heavily trafficked roads.

@etconp

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🚧አመልካቶች ይህ ማስታወቂያ ከወጣበት ቀን ጀምሮ ባሉት 5 /አምስት/ ተከታታይ የስራ ቀናት በስራ ሰዓት ሣር ቤት በሚገኘው የባለስልጣኑ ዋና መ/ቤት የሰው ታበት አስተዳደር ቡድን ቢሮ

💫የትምህርት፣ የስራ ልምድ እና መታወቂያ ዋናውንና የማይመለስ ፎቶ ኮፒ ማስረጃ በመያዝ መመዝገብ የምትችሉ መሆኑን እናሳውቃለን፡፡

⏺የስራ ልምድ፡- ለሁሉም የስራ መደቦች በቀጥታ በስራ መደቡ ላይ የተሰራ የስራ ልምድና ግብር የተከፈለበት መሆን አለበት፡፡

📍የስራ ቦታ፡- በዋናው መ/ቤት ፣ አዲስ አበባ ውስጥ በሚገኙ ቅርንጫፍ ጽ/ቤቶችና እና ፕሮጀክቶች፡

📞Phone 0113713400

አዲስ አበባ ከተማ መንገዶች ባለስልጣን

@etconp

👉Dynamic Compaction in Construction

💫Soil compaction is a significant issue that affects the quality and health of our soil.

⏺There are different types of soil compaction that can have various impacts on the environment and agriculture.

🌟Understanding these different types is crucial for implementing effective strategies to prevent or mitigate soil compaction.

+ Conventional Rolling, involves utilizing large machinery to flatten and compact the material. The article emphasizes the efficiency of this technique in producing strong and long-lasting surfaces for various infrastructure projects like roads and highways. It also underscores the significance of thorough compaction in guaranteeing the durability and excellence of the final construction.

+Impact rolling, the ground is compacted efficiently by impact rolling, achieved through the rotation of a non-circular rolling unit. This process leads to in-place compaction, resulting in notable densification and increased strength.
+Rapid Dynamic Compaction (RCD) technique is a recently developed soil improvment tecnique, use for compaction of granular soils up to 5 m deep, as alternative to Dynamic Compaction method.

+Dynamic compaction involves utilizing a heavy weight to repeatedly drop onto the ground surface in order to enhance soil density. This technique is widely applied in construction projects to bolster the stability and load-bearing capacity of the soil. By compacting the soil and decreasing its permeability, the energy transmitted by the weight makes the ground more suitable for supporting building foundations.
Dynamic compaction proves especially effective in areas with loose or fragile soil compositions, as it can significantly fortify the ground. In general, dynamic compaction serves as a valuable approach for improving the soil quality to meet construction requirements.

Via Yonatan Tadesse (PMP®️)

@etconp

👉URGENT VACANCY

⏺Project Manager
⏺Construction Engineer
⏺Office Engineer
⏺General Forman

📍Addis Abeba (Mexico & Bole Sites)

⚡️Deadline: June 15th 2025

📩How To Apply: By Email: -yeshicol10@gmail.com

🎲Telegram: @focusonyourdestiny

🏷In person: Bole, next to Moenco

📞For More information you can contact Tel:- 0910581075

🚧Open The Above PDF For Detail Info

@etconp