Intercon Construction Chemicals 
    
👉 Authorized agent of MC, SIMENTEK, Sika, Weber

● Concrete Admixtures
● Bonding Agents
● Waterproofings
● Concrete Repair, Grouting   
● Tile Adhesive & Tile Joint Fillers 
● Wall Putty, Prime Coat, Rush Coat
● Quartz, Contextra
● Floor hardener, Epoxy              
● Geotextiles, Geo-membranes and other construction chemicals and materials

Tel: 0961955555 or 0944774267
Address: Signal, around signal mall

👉የመንግስት ግዥን በሙሉ ወይም በከፊል ውድቅ ስለማድረግ

💫በአዲሱ የፌዴራል የመንግስት ግዥ እና ንብረት አስተዳደር አዋጅ ቁጥር 1333/2016 አንቀፅ 26 መሰረት የመንግስት መስራያ ቤቶች ከታች ከተጠቀሱት 6 ነጥቦች ዉስጥ ተጫራቾች አንዱን ከላሟሉ ጨረታዉን ሙሉ በሙሉ ወይም በከፊል ዉል ከመፈረሙ በፊት የመሰረዝ መብት አላቸዉ :

1) በግዥ ሂደት ላይ ውጤቱን ሊያዛባ የሚችል ስህተት መፈፀሙ ከተረጋገጠ፣

2) በሥራ ዕቅድ መቀየር ምክንያት ወይም የመሥሪያ ቤቱን ፍላጎት ለማሟላት ሌላ የተሻለ አማራጭ በመፈጠሩ ምክንያት ወይም ግዥውን ወይም የንብረት ሽያጩን ማካሄድ ለመንግሥት መሥሪያ ቤቱ ኢኮኖሚያዊ ወይም ማህበራዊ ጥቅም የማያስገኝ መሆኑ ሲረጋገጥ፣

⏺ለምሳሌ በጨረታ ወቅት በተደጋጋሚ ከሚገጥሙን ዉስጥ አንድን ትምህርት ቤት እንዲሰራ ወደ ጨረታ ሂደት ከተገባ በኃላ አንዳንዴ ከትምህርት ቢሮ ትምህርት ቤቱን የሚያሰራልን በጎ አድራጎት ወይም ተራዶ ድርጅት ስለመጣ ጨረታዉ እንድሰረዝ እና በጀቱ ለሌላ ፕሮጀክት እንዲዉል ይጠየቃል። ስለዝህ በዝህ ምክንያት ይሰረዛል።

3) የቀረቡት ተጫራቾች በጨረታ ሰነዱ ላይ የተቀመጠውን ዝቅተኛ መስፈርት የማያሟሉ ሲሆን፣

⏺ለምሳሌ Personnel, machinery, Specific and general experience, Turnover…… ወይም በጥቅሉ ከ 70% በታች ያስመዘገቡ

4) በጨረታ የቀረበው ዋጋ እጅግ የተጋነነ ሲሆን ለምሳሌ በአንዳንድ ስራዎች ላይ ተቋራጮች ሆን ብለዉ የኮንክሪት፣ብረት እና አፈር ስራላይ የተጋነነ ዋጋ ይሞላሉ ሌላዉን ደግሞ በስሱ ያደርጉታል ወይም የግንባታ ሥራ ግዥ ሲሆን የቀረበው ዋጋ እጅግ አነስተኛ ወይም የተጋነነ ዋጋ ሆኖ ሲገኝ ይላል። እዚህ ላይ እጀግ ያነሰ የሚለዉ ሀሳብ እስከምን የምል ነገር የለዉም በተለምዶ least price በመሆኑ ብቻ ጨረታ ያሸንፍ ነበር አሁን ግን ብያንስ እጅግ ዝቅ ያለ ዋጋ ጨረታ ለማሸነፍ ዋስትና እንደማይሆን አዋጁ ፍንጭ ሰቷል።
* በዚህ አመት አንዱ ከገጠመን ዉስጥ የአማካሪ ጨረታ ላይ ለ9 ሚሊዮን ፕሮጀክት least price ሆኖ የገባዉ 800 birr ነበር ፣ የድርጅቱ አባላት 4 ሰዎች ነበሩ ነገር ግን ያሸነፉት በ800 ብር!! ለማሰብ ይከብዳል።

5) በጨረታ የቀረበው ዋጋ ከ Engineering Estimation በላይ ከሆነ ( ብዙ ጊዜ 20% በላይ ሲሆን) በተለይም የመንግስት መስሪያ ቤቱ የተፈጠረዉን ልዩነት ወይም ከያዘዉ በጀት በላይ የሆነዉን ከሌላ ምንጭ ማግኘት የማይችል ከሆነ

6) በስነ ምግባር ጉድለት ምክንያት በቂ ዉድድር አለመደረጉ ስረጋገጥ ይላል።

Via ነገዎ (ጨረታ መሃንዲስ)

⭐️Youtube ገፃችን ላይም ቤተሰብ ይሁኑ👇

https://youtube.com/@ethiopianconstruction?si=i3B2u9LyWBNjqAAO

@etconp

👉ይርጋለም ኮንስትራክሽን በ4.8 ቢሊዮን ብር የፊደራል ጠቅላይ ፍርድ ቤት ሕንፃን ሊገነባ ነው

የፊደራል ጠቅላይ ፍርድ ቤት በ4.8 ቢሊዮን ብር ህንፃ ለማስገንባት ከከተማና መሠረተ ልማት ሚኒስቴር ጋር ስምምነት ተፈራሟል፡፡

የከተማና መሰረተ ልማት ሚኒስትር ጫልቱ ሳኒ፤ በ4.8 ቢሊዮን ብር የህንፃ ግንባታ ስምምነት በሚኒስቴር መስሪያቤቱ ባለቤትነት በይርጋዓለም ኮንስትራክሽን የሚሠራ መሆኑን ገልጸዋል።

የህንጻው ግንባታ እስከ መስከረም 2019 ዓም ድረስ የሚጠናቀቅ መሆኑን አስታውቀዋል፡፡

ፕሮጀክቱ ግዙፍና በሀገር ውስጥ ኮንትራክተር የሚተገበር መሆኑን ገልፀው፤ በሀገሪቱ የኮንስትራክሽን ዘርፍ ዕድገት ማሳያና ማስቀጠያ ነው ብለዋል።

ስምምነቱ ላይ የጠቅላይ ፍርድ ቤት ፕሬዝዳንት አቶ ቴዎድሮስ ምህረት በበኩላቸው፤ የህንፃ ግንባታው የፍትህ አገልግሎትን በአንድ ማዕከል በመስጠት የዜጎችን ህገመንግስታዊ መብት ለማረጋገጥ የሚያስችል ነው።

እንዲሁም ለዳኞች እና ድጋፍ ሰጪ የፍትህ ዘርፍ ሰራተኞች አመቺ የስራ አካባቢን ለመፍጠር የሚያስች መሆኑን ጠቅሰው፤ ዘመኑን የዋጀ ቴክኖሎጂን በማካተት የተቋቋመበትን አላማ ለማሳካት ይረዳል ብለዋል።

Via EPA

@etconp

ታምራት  ፕሌት እና ጄቦልት አቅራቢ

📌ፕሌትና ጄቦልት በፈለጉት አይነት የተዘጋጀ አለን

✂️ላሜራ መቁረጫ መብሻና  ማጠፊያ ማሽኖች አሉን

🔗ፌሮ (ቶንዲኖ) ጥርስ እናበጃለን እንዲሁም እናጥፋለን

📐ማንኛዉንም የሞደፊክ ስራዎችን እንሰራለን

📍ኢትዮጵያ ዉስጥ የትም እንልክሎታለን

አድራሻችን፦ ቁ.1 አዉቶብስ ተራ(መሳለሚያ)
                    ቁ.2 መርካቶ
                    ቁ.3 ተክለሀይማኖት

0904040477
0911016833

👉Advantages and disadvantages of prestressed concrete can be listed as follows

💫Advantages of Prestressed Concrete:

1. Prestressed concrete members are free from cracks and the resistance to the effect of impact, shock and stresses are higher than RCC structures.
2. Longevity of prestressed structure is greater than RCC structure because the reinforcement stays unaffected from outer agencies.
3. The high compressive strength of concrete and high tensile strength of steel are used for prestressing that makes it more economical.
4. Smaller sections can be used for longer span by reducing the section of members.
5. Prestressed members are lighter in weight and easily transportable.
6. It requires a smaller amount of construction materials.
7. The shear resistance of members can be increased by using curved tendons.
8. Prestressing also reduces the diagonal tension in concrete.

💫Disadvantages Of Prestressed Concrete:

1. The main disadvantage of prestressing is that it requires some special equipment like jacks, anchorage etc, which pretends the use of prestressing.
2. High tensile steel is required for prestressing that is very difficult to procure.
3. It requires highly skilled workers and should be prepared under expert supervision.
4. It is costlier than other RCC structures.
These are the advantages and disadvantages of prestressed concrete

⭐️Youtube ገፃችን ላይም ቤተሰብ ይሁኑ👇

https://youtube.com/@ethiopianconstruction?si=i3B2u9LyWBNjqAAO

@etconp

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📩 @nanitenshwa

👉What Is Dam And Types Of Dam

🏷PART ONE

💫Dams are crucial structures designed to manage water resources, generate hydroelectric power, and provide flood control.

⏺They come in various types, each suited to specific geographical, geological, and hydrological conditions.

🚧Below are the main types of dam structures with detailed descriptions:

🌟1. Gravity Dam

- Description: A gravity dam is a massive structure made of concrete or masonry that relies on its weight to resist the horizontal force of water. It is typically triangular in cross-section, with a broad base and a narrow top.
- Advantages:
- Highly durable and stable.
- Can withstand high water pressure.
- Suitable for a wide range of foundations.
- Disadvantages:
- Requires large amounts of construction material.
- Expensive to build.
- Examples: Hoover Dam (USA), Grand Coulee Dam (USA).

🌟2. Arch Dam

- Description: An arch dam is curved upstream and transfers the water pressure to the abutments (sides of the valley) through arch action. It is typically made of concrete and is thinner than a gravity dam.
- Advantages:
- Requires less material than a gravity dam.
- Ideal for narrow, rocky gorges.
- Disadvantages:
- Requires strong abutments to resist the thrust.
- Unsuitable for wide valleys.
- Examples: Hoover Dam (USA), Idukki Dam (India).

🌟3. Buttress Dam

- Description: A buttress dam consists of a series of reinforced concrete walls (buttresses) that support a sloping or flat upstream face. The buttresses absorb the water pressure and transfer it to the foundation.
- Advantages:
- Requires less material than a gravity dam.
- Suitable for weaker foundations.
- Disadvantages:
- Complex design and construction.
- Higher maintenance costs.
- Examples: Daniel-Johnson Dam (Canada), Bartlett Dam (USA).

🌟4. Embankment Dam

- Description: An embankment dam is made of natural materials like earth, rock, or a combination of both. It has a central impermeable core to prevent seepage and is often covered with riprap to protect against erosion.
- Types:
- Earthfill Dam: Made primarily of compacted earth.
- Rockfill Dam: Made of loose rock with an impermeable membrane.
- Advantages:
- Can be built on weaker foundations.
- Cost-effective for large reservoirs.
- Disadvantages:
- Vulnerable to overtopping and erosion.
- Requires regular maintenance.
- Examples: Aswan High Dam (Egypt), Nurek Dam (Tajikistan).

🌟5. Arch-Gravity Dam

- Description: A combination of an arch dam and a gravity dam, this structure uses both its weight and arch action to resist water pressure. It is curved like an arch dam but thicker like a gravity dam.
- Advantages:
- Combines the strengths of both arch and gravity dams.
- Suitable for wide valleys with strong foundations.
- Disadvantages:
- Complex design and construction.
- Expensive to build.
- Examples: Hoover Dam (USA), Kurobe Dam (Japan).

🔰Part 2 will Continue...

@etconp

👉What is Dam and Types Of Dam

🏷PART TWO

⭐️6. Barrage

   - Description: A barrage is a low-head dam with multiple gates to control water flow. It is typically used for irrigation, flood control, and diverting water into canals.
   - Advantages:
     - Provides precise control over water flow.
     - Can be used for tidal power generation.
   - Disadvantages:
     - Requires frequent maintenance of gates.
     - Limited storage capacity.
   - Examples: Farakka Barrage (India), Sukkur Barrage (Pakistan).

⭐️7. Coffer dam

   - Description: A temporary structure built to divert water and create a dry work area for constructing a permanent dam. It is usually made of sheet piles, earth, or concrete.

- Advantages:
     - Enables construction in waterlogged areas.
     - Can be removed or reused.
   - Disadvantages:
     - Temporary and not designed for long-term use.
     - Vulnerable to flooding.
   - Examples: Used during the construction of major dams like the Three Gorges Dam (China).

⭐️8. Diversion Dam

   - Description: A small dam built to divert water from a river into a canal or pipeline for irrigation, water supply, or hydroelectric power.
   - Advantages:
     - Simple and cost-effective.
     - Minimal environmental impact.
   - Disadvantages:
     - Limited storage capacity.
     - Requires careful management of water flow.
   - Examples: Diversion dams on the Colorado River (USA).

⭐️9. Hydropower Dam

   - Description: A dam specifically designed to generate hydroelectric power by harnessing the energy of flowing water. It often includes turbines and generators.
   - Advantages:
     - Provides renewable energy.
     - Can be combined with flood control and irrigation.
   - Disadvantages:
     - High initial construction costs.
     - Environmental impact on aquatic ecosystems.
   - Examples: Three Gorges Dam (China), Itaipu Dam (Brazil/Paraguay).

⭐️10. Tailings Dam

   - Description: A specialized dam used to store waste materials (tailings) from mining operations. It is typically made of earth or rock and includes an impermeable liner.
   - Advantages:
     - Prevents contamination of surrounding areas.
     - Can be rehabilitated after mining operations.
   - Disadvantages:
     - Risk of failure and environmental disasters.
     - Requires long-term monitoring.
   - Examples: Brumadinho Dam (Brazil), Mount Polley Dam (Canada).

🔰Each type of dam has unique characteristics and applications, making it essential to choose the right design based on the project's requirements and environmental conditions.

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