Belisa deba construction PLC

04/08/2025

Basic vs IELTS Vocabulary
1. Explain → Elaborate
2. Show → Demonstrate
3. Think → Contemplate
4. Learn → Acquire knowledge
5. Solve → Resolve
6. Create → Devise
7. Improve → Enhance
8. Discover → Identify
9. Analyze → Examine
10. Describe → Depict

03/08/2025

TOP 10 AI tools you must master to save your life!

1. ChatGPT.com – solves anything
2. RecCloud.com – converts speech to text
3. MidJourney.com – generates art
4. Replit.com – writes and runs code
5. Synthesia.ai – creates AI videos
6. Soundraw.io – produces music in seconds
7. Fliki.ai – turns text into TikToks
8. Starry.ai – creates AI avatars
9. SlidesAI.io – makes presentations for you
10. PicWish.com– edits photos fast

A conversational AI system that listens, learns, and challenges

01/08/2025

01/08/2025

👉Types of Reinforcement in Construction 🏗️
🚧Used in RCC – Reinforced Cement Concrete
🔹 Main Reinforcement
➡️ Carries tension forces
➡️ Usually placed at the bottom in beams & slabs
🔹 Distribution Reinforcement
➡️ Distributes load evenly
➡️ Helps prevent cracking due to shrinkage & temperature
🔹 Stirrups (Shear Reinforcement)
➡️ Resists shear force
➡️ Usually U-shaped or closed loops in beams
🔹 Ties
➡️ Used in columns
➡️ Hold longitudinal bars in position
🔹 Lateral Ties / Helical Reinforcement
➡️ Circular/spiral ties in circular columns
➡️ Offers ductility in seismic zones
🔹 Anchorage / Development Length
➡️ Extra bar length to transfer force into concrete
➡️ Important for safe load transfer

01/08/2025

👉Common Causes of Structural Failures

💫Contractors and civil engineers can reduce hazards by comprehending the underlying issues.

🚧The primary reasons for structural breakdown are as follows:

💫1. Design Error

⏺Design flows are among the top causes of failure.

📜These include

⏺Miscalculation in load stress
Inadequate safety margins
Overlooking environmental factors such as wind or seismic activity

📍Example: A poor connection design between walkways and their support rods caused the Hyatt Regency walkway collapse in Kansas City, Missouri, in 1981.

💫2. Material deficiencies

⏺Using substandard or inappropriate materials can compromise structural integrity. Issues include:

⏺Low-quality concrete or steel
Material fatigue
Corrosion over time

💫3. Poor workmanship

⏺Improper construction techniques can undermine even the best designs:

⏺Inaccurate measurement
Inadequate welding or fastening
Lack of supervision

💫4. Foundation Problems

⏺Foundation issues account for a significant percentage of building collapses:

⏺Settlement of the soil
Inadequate site research
Changes in the water table
Not enough piling

💫5. Overloading

⏺Placing more weight than the structure is designed to support can result in failure.

⏺Additional floors added without retrofitting

⏺Heavy equipment on roofs
Improper storage of materials

💫5. Lack of Maintenance

⏺Structures must be inspected and maintained at regular intervals.

⏺Typical problems brought on by negligence include: Leakage of water Reinforcements made of rusting steel Walls and beams with cracks

💫7. Natural Disasters

⏺Earthquakes, floods, hurricanes, and landslides put immense pressure on structures. Poor disaster resilience can lead to total failure

24/07/2025

👉አንድ ተማሪ ያለበቂ ምክንያት በአንድ መንፈቀ-ዓመት ከት/ቤት በተከታታይ ለ12 የትምህርት ቀናት እያሰለሰ ወይም በተከታታይ ለ15 የትምህርት ቀናት ከቀረ ከት/ቤቱ ለአንድ የትምህርት አመት ይሰናበታል፣
👉በሚወጣው የትምህርት ፕሮግራም መሠረት በሰዓቱ በክፍል ውስጥ መገኘትና ትምህርቱን መከታተል፣
👉በክፍልም ሆነ ከክፍል ውጭ በመምህራን የሚሰጠውን ትምህርት በጥሞና መከታተል፣ መልመጃዎች፣ የቤት ሥራዎችንና የቡድን ስራዎችንና የመሳሰሉትን በተሰጠው ጊዜ አጠናቆ ማቅረብ፣
👉የትምህርት ቤቱ አመራር፣ መምህራንና የድጋፍ ሰጪ ሰራተኞች የሚሰጡትን ድጋፍ፣ ምክርና መመሪያ መፈፀም፣
ፆታዊ ትንኮሳ (ሴት ተማሪዎችን ከማስፈራራት፣ ከመድፈር፣ ከመደብደብና ሰብአዊ መብታቸውን ከመንካትና) ከመሳሰሉት መቆጠብ፣
👉የመማሪያ መፃሕፍትና ሌሎች የትምህርት መሣሪያዎችን በጥንቃቄ አለመጠቀም፣ አለመያዝ፣ መቅደድ፣ ተደጋጋሚ አገልግሎት እንዳይሰጥ ማድረግና የመሳሰሉት ተግባራት ከመፈጸም መቆጠብ፣
👉ከሌሎች ተማሪዎች ጋር በመግባባትና በመተሳሰብ መሥራትና መማር፣
ለመምህራን፣ ለሠራተኞችና ለትምህርት ቤት ጓደኞቹ ተገቢውን ክብር መስጠት፣
👉የትምህርቱን ጊዜ በማይሻማ ሁኔታ ዕውቀቱንና ጉልበቱን ለትምህርት ቤቱና ለአካባቢው ኀብረተሰብ አገልግሎት ማዋል፣
👉የትምህርት ቤቱ የመቀመጫ ወንበሮችን፣ የመማሪያ ክፍሎችንና ምድረ ግቢውን በንጽሕና መያዝ፣
👉የመማርያ መጻህፍትን በክፍል ውስጥ ይዞ መገኘት፤
👉በትምህርት ቤት ግቢ ውስጥ ማንኛውንም በአካልና በጤና ላይ ጉዳት የሚያደርስ መሣሪያ ይዞ አለመገኘት፣
👉የደንብ ልብስን ት/ቤቱ ባወጣው ደንብ መሰረት ንፅህናውን ጠብቆ መልበስ፤
👉በትምህርት ሰዓት ያለ በቂ ምክንያት በትምህርት ቤት ቅጥር ግቢ አለመዟዟር፣
👉በትምህርት ጊዜ ያለበቂ ምክንያት አቋርጦ አለመውጣትና የትምህርት ቤቱን አጥር ዘሎ አለመሄድ፣
👉በትምህርት ቤት ውስጥ ሲጋራ አለማጨስ፤ ጫትና ሌሎች አደንዛዥ ዕፆችን አለመጠቀም፣
👉ተገቢውን የአለባበስ፣ የጸጉር አሰራር/አቆራረጥ እንዲሁም የግል ንፅህናና የአካባቢ ባህልና ወግ መጠበቅ፤
👉በት/ቤት ግቢ ውስጥ ሞባይል ይዞ አለመገኘት
በሰንደቅ ዓላማ ስነ-ሥርዓት ወቅት ተገኝቶ በመዘመር ማክበር፤
👉መምህራንና ሠራተኞችን አለመዝለፍ፣ አለመስደብ፣ አለማንቋሸሽና አለመደብደብ፣
👉በመማር ማስተማር ሂደት ወቅትና በት/ቤቱ ቅጥር ግቢ ተገቢ ያልሆነ ባህሪ አለማሳየት
ስርቆት መፈፀም፣ በፈተና ወቅት መረበሽ፣ መኮረጅና ማስኮረጅ፣ ቁማር መጫወት ከመሳሰሉ ሕገወጥ ድርጊቶችና ከሌሎች ጥፋቶች ሁሉ መራቅ፣

23/07/2025

TENDERING PROCEDURES

Basic explanation of tender.
Tender is a process of submitting a proposal by competing firm for their bidding to get a contract.

TENDER DOCUMENTS
Effective tendering procedures ensure a fair, competitive, and efficient procurement process. After invitation to tender the client give the following tender documents to the contractor for pricing purposes.
1. Letter of invitation to tender.
2. Scope of Work.
3. Technical specifications.
4. Drawings and designs.
5. Tender pricing schedule.

TENDER EVALUATION
The first step to be considered for tender evaluation is pre-qualifications where different contractors are assessed for their project suitability to carry out a particular contract. The evaluation committee has a checklist of the qualifed bidders, who can proceed to the next stage, if your company is not able to meet up with the laid down criteria your bid will be disqualified in this stage.

CONTRACT AWARD
Once the successful contractor has been identified after tender evaluation and approval has been received to award the contract, the contractor will be informed of the outcome in writing, using the contract award letter. The letter must be signed by a person with delegated authority to procure and commit the authority to the contract , once the letter has been issued to the contractor, the contract becomes live between the contractor and the client.

CONTRACT DOCUMENTS
After the contract award letter, the following contract documents are typically issued:
These documents collectively form the contract and provide a clear understanding of the project's requirements and expectations.
1. Contract Agreement : Outlines the terms and conditions of the contract.
2. Specifications : Details the technical requirements and standards.
3. Drawings : Provides visual representations of the project.
4. Bill of Quantities: Itemizes the materials and labor required.

CONCLUSION
After issuing contract documents to the contractor to commence

23/07/2025

CONSTRUCTION MANAGEMENT

Introduction
Construction management involves planning, coordinating, and controlling construction projects from inception to completion. It encompasses managing resources, schedules, budgets, and stakeholders to deliver projects on time, within budget, and to the required quality standards

CONSTRUCTION MANAGEMENT TECHNIQUES
Effective construction management involves various techniques to ensure projects are completed on time within budget, and to the right time. Among them is the ''CRITICAL PATH METHOD '' ( CPM )

CRITICAL PATH METHOD ( CPM
Critical path method is adopted worldwide for large and complex projects, it involves the graphical representation of a planned programe by a logical network or arrow diagram, depicting the complete series of operations, from the proposed beginning of the project to the target completion date.

( Construction of the critical path method )

STAGES
A. Stage 1. Break down the project into individual activities.
B. Stage 2. A network is then drawn to show the exact sequence of the operation each activity is represented by arrow.
C. Stage 3. The time estimated in any unit is now added to indicate duration of each activity.
D. Stage 4. The durations are added together inorder to determine the earliest possible time for each event
E. Stage 5. At the last event, the durations are subtracted so that the latest time for each event is decided.

FOR EXAMPLE
Let us take a simple example of critical path applied to building construction.

Project : Construction of office building.

Activities
1. Site Preparation (5 days)
2. Foundation Work (10 days.
3. Structural Framing (8 days.
4. Installation of Electrical and Plum (6 days.
5. Insulation and Drywall. (4 days.
6. Finishing Work (8 days.
7. Final Inspection and Completion. (2 days,

Network Diagram
Site Preparation -> Foundation Work -> Structural Framing -> Installation -> Insulation and Drywall -> Finishing Work -> Final Inspection