Building Contractor Secrets: 2016

Friday, 18 November 2016

The Secrets Of Asbestos Roofing Sheets You Must Know

Today on contractor secrets, i will be discussing on the reasons why asbestos has been banned as a roofing material in most advanced countries.

Asbestos according to history was derived Greek word ἄσβεστος meaning "unquenchable", it is a form of minerals and hydrous silicate of magnesium and is currently used as one of the most patronized roofing material in Nigeria. The use of asbestos as a roofing material has since been banned in other countries due to the fact that it has been linked to the source of most diseases.
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Wednesday, 9 November 2016

Investments: How to Invest In Hostels Around Higher Institutions In The Country

It’s a few months after my graduation from Delta State Polytechnic, Ozoro and as a potential NYSC Member, I had to go for my clearance so I could be posted in a few weeks to come. On my way to the campus, I decided to talk a lil stroll across the street and then came to a point that had been a mini forest in the past.

The plot had been cleared with a gigantic mansion built on it. A hostel. Hostel business is one of the most profitable investments ever made by the smart persons in the Nigerian society. This is because you could make a lot of money on a yearly basis from hostels since new students are admitted yearly.
The truth is that hostels are the most rewarding businesses especially when they’re located around the campus. This is because a hostel located close or near the campus will often be priced more than that built miles away from the campus.
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High Cost Of Construction In Nigeria, 8 Reasons It Happens

I hope you enjoyed my previous post on the processes involved in getting approval for your building plan? Well, today we will be taking a deep look into the various factors greatly affecting the cost of construction. This is important especially for clients who’d always ask funny questions regarding the price of building materials in the market.
After reading this, I am sure your eyes will be opened to the various reasons why it costs a lot to develop a nice building for yourself and wonderful family. Please stay tuned as I list these below.
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Friday, 4 November 2016

Processes Involved in Applying And Getting An Approval For Building Permit In Lagos State

how to approve a building plan in lagos

For clients and contractors, having an approval for your building plan is one of the most important steps that must be taken in order for the construction to be considered as legal. This is because it takes the regulating body in every country to sign and approve a structural plan or blueprint before the commencement of a construction.

On  this post today, is delighted to take you through the processes involved in having your building plan or building blueprints or structural plans approved in any country. Because this blog is run by Nwachukwu Richard, A Nigerian Civil Engineer, this post is going to be created taking Lagos as a case study.
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Thursday, 27 October 2016

How To Calculate The Quantity Of Sand And Number Of Trips Of Sand Needed For Your Building Project

Today on, i am going to talk about how you can calculate the quantity of sand needed during the sand filling stage of your building project. After seeing and hearing how many clients are ripped off by their so-called engineers during this stage of their construction, i felt there is a need to make it possible for these clients to be able to calculate the quantity or volume of sand needed for sand filling their projects.
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Sunday, 7 August 2016

How To Calculate The Number Of Blocks Needed For Your Fence Project Measuring 100ft By 60ft

Based on my Love for civil Engineering, i have come to understand that it would not always be possible to contact a professional engineer when the need arises.

this is so because there are some standards required by the professional that might be kicked at by the society or even the client and this is why most clients out of their strong hotheadedness, fall into the hands of wasters and criminals who would stop at nothing but suck your pocket till you're left with nothing all in the name of constructing or working on your site as a supervisor or Engineer.
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Wednesday, 20 July 2016

How To Calculate the Quantity of Materials (Sand and Cement) Required for 1 Cubic Meter of Cement Mortar

Sometimes on site, we are faced with the problem of calculating for the amount of materials (sand and cement) required in plastering or rendering! This Post is made to tackle this issue!

Today, i want to talk about how you can calculate the quantity of sand and cement required in Mortar

As we all know, Mortar used in Plastering is mixed or produced in different proportions which could include: 1:1, 1:2, 1:3, etc. But here i would like to adopt the 1:6 proportion and do analysis based on this proportion.


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Wednesday, 6 July 2016

Quantities Needed For A Cubic Meter Of Concrete

Quantity of materials such as cement, sand, coarse aggregates and water required per cubic meter of concrete  and mortar varies with the mix design of the concrete and mortar respectively. Following table gives the estimated quantity of materials required per cubic meter of mortar and concrete for various nominal mixes.
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Difference Between Tender Documents And Contract Drawings

To understand the difference between tender documents and contract documents, first we have to understand what these documents contain.

Tender Documents:

A tender is an offer in writing to contractors to execute the some specified works or to supply specified materials within a fixed time frame and as per conditions of contract and agreement between the contractor and the owner or the department or the party.
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How To Calculate Soil Bearing Capacity And Types Of Bearing Capacity Of The Soil

The bearing capacity of soil is defined as the capacity of the soil to bear the loads coming from the foundation. The pressure which the soil can easily withstand against load is called allowable bearing pressure.

Following are some types of bearing capacity of soil:

Ultimate bearing capacity of soil (qu)

The gross pressure at the base of the foundation at which soil fails is called ultimate bearing capacity.
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Dampness In Buildings: Causes, Preventive Measures And Effects On a Building

Dampness in a simple term is when excess water molecule is on building which results to visible growth of mould and destruction or disturbance of wall surfaces and materials. At this stage, you begin to observe the presence of moisture on the body of a building, usually inside, a little below the window level.

You can easily see this when you raise the carpet and notice presence of water under it

Possible Causes Of Dampness In A Building

1 Rain– If the roof is not well constructed to take out water rain, it may lead to dampness on walls due to leakages down from roof to wall.
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Rope Method In Setting Out A Building

A line has to be set out perpendicular to the base line from peg (A). Peg (A) is not on the base line.
A long rope with a loop at both ends and a measuring tape are used. The rope should be a few metres longer than the distance from peg (A) to the base line.
Step 1
One loop of the rope is placed around peg (A). Put a peg through the other loop of the rope and make a circle on the ground while keeping the rope straight. This circle crosses the base line twice (see Fig. 22a). Pegs (B) and (C) are placed where the circle crosses the base line.
Step 2
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How To Set-Out The Corners Of A building

What is setting out? It is the process of developing the physical positions of corners and walls of a building, and it’s done by transferring dimensions from the layout plan to the ground.
It Can be likened to Transferring what has been drawn by the architect or Draftsmen To the actual ground. it is during this stage that the client actually gets the feeling of responsibility
Setting out is done when building a new house, or when renovating an already existing one, especially an extension. The process of Setting out is done by a contractor, and overseen by the lead project consultant engineer, architect or any other qualified member of the project team.
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