ETCONP TRIVIA #6

As we all know the strength of concrete has many factors one of thr factor that affects the strength of concrete is W/C( water cement ratio) ... NOW my question is what happens is W/C is lesser ? What happens if W/C is higher ?

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ETCONP TRIVIA #7

Suppose a contractor awarded a contract and gave the contact to a subcontractor and fatal accident happened while performing the project who is in charge of the accident the contractor or the subcontractor?

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ETCONP TRIVIA #8

What do we call the name of the concrete which we pour on the ground to avoid corrosion of rebar of the foundation ?

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🖼️ Picture of the day

- 3D
- Structural design
- Render


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ETCONP TRIVIA #9

Percentage of concrete strength and it’s corresponding time required

- after 24 hours we get 16%
strength

- after 48 hours we get 30%
strength

- after 3 days we get 40% strength

- after 7 days we get 65% strength

Based on this

A. what’s the strength percentage of concrete after 14 days ?

B. What’s the strength percentage of concrete after 28 days ?



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ETCONP TRIVIA #10

Estimate quantities of brickwork and Plastering work required for 3m high and 4m long and 30cm thick wall . Calculate the cost after you estimate the brickwork 🧱 and the plastering work required

Given rate

- brick work 1000 birr/m³
- plastering work 200 birr/m²


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TIP 101

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REMEMBER in ⅓ of both the end spans the spacing of the stirrup will be dense let’s say c/c is 15cm and the mid span is lesser compared to the end spans let’s say c/c is 20cm.
“THIS WORKS FOR BOTH BEAM AND COLUMN” for both frame structures


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ETCONP SOLUTIONS & ANSWERS


Solution

-> Quantity of Brick 🧱 = L x B x H
= 4 m x 3 m x 0.3 m = 3.6m³

-> Quantity of plastering (wall has
2 faces)
= 2 x 4 m x 3 m = 24m²

Cost of brick 🧱 work 1000 birr/m³
Cost of plastering 200 birr/m²

Cost of 🧱 = 3.6 x 1000 = 3600birr

Cost of plastering = 24 x 200 = 4800birr

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ETCONP WORLD LANDMARKS 🌎

Elbasan, Albania 🇦🇱

How did this building stood 🤯




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TIP 101

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Estimate formwork for 1m²

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TIP 101

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Estimate formwork for 1m² for column

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TIP 101

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Sections in reinforced concrete

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Your comment about this

📍 shashamane

@ETCONP

Sections in reinforced concrete

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ETCONP TRIVIA #11

For concrete we have 1.54 multiplier to get the volume of concrete with its wastage…. What’s our multiplier for steel rebar ?


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How do you estimate the cost of a building per m² ?

TIP 101

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EXNTENSION OF TIME IN CONSTRUCTION (EOT)

What is extension of time in construction (EOT) ?

An extension of time (EOT) in construction is a formal request from the contractor to the client for additional time to complete the project. This can be due to unforeseen circumstances such as bad weather, delays in receiving materials, or other unexpected events. An EOT can be granted by the client and will typically include an adjustment to the project's completion date, with no additional costs to the client. It's also used as a means of recording delays that are beyond the control of the contractor or the employer, and which may affect the completion date of the project.

What are the procedure submitting EOT according to FIDIC red book 1999 ?

1.Notify the Engineer
2.Submit a written claim
3.Provide supporting documents
4.Allow the Engineer to investigate
5.Wait for the Engineer's decision
6.Appeal the decision

It's important to note that the contractor must follow the specific procedures outlined in the contract for submitting an EOT claim, including the time frame for submitting the claim and providing supporting documentation. It's also important for the contractor


How a request for an Extension of time to be assessed ?

- The event should be one for which an EOT is permitted under the contract.
- Timely notice has been given by the contractor.
- The event is likely to cause delay and the effective items of work are on critical path.
- Contractor made all his efforts to mitigate the effects of delay.

What is the benefit to contractor by getting EOT ?
- The benefit to the contractor of EOT is only to relieve the contractor of liability for damages for delay (adjusting the completion data).

What is the benefit to employer by approving EOT ?
- The benefit to the employer is that it establishes a new contract completion date and prevent time for completion of the works becoming ‘at large’.

What are the type of of extension of time in construction ?
In construction, there are several types of extension of time (EOT) that can be requested by a contractor during following events :
1.Compensable delay.
2.Concurrent delay.
3.Non-compensable delay.
4.Force majeure delay.
5.Excusable delay.


What are the causes of extension of time in fidic red book 1999 ?

The FIDIC Red Book 1999 outlines several causes of extension of time (EOT) that can be claimed by a contractor. These include:
1.Delays caused by the client.
2.Delays caused by factors beyond the contractor's control.
3.Delays caused by the Engineer.
4.Delays caused by other contractors
5.Delays caused by force majeure

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REBAR SCHEDULE

#TIPS 101

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soil compaction test with conclusion

Content

➪ definition
➪ objective
➪ how to apply on the field ?
➪ types ( in detail)
➪apparatus
➪ test procedure
➪ significance
➪ factors affecting compaction
➪ conclusion


Thank you Atul Hajong for sharing this document with us 🙏

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