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.
Read More »

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.
Read More »

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.
Read More »

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, buildingcontractorsecrets.blogspot.com 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.
Read More »

Thursday, 27 October 2016

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



Today on buildingcontractorsecrets.blogspot.com/, 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.
Read More »

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.
Read More »

Tuesday, 19 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.

QUANTITY OF CEMENT AND SAND NEEDED IN BRICKLAYING OR RENDERING (Plastering)

Read More »

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.
Read More »

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.
Read More »

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.
Read More »

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.
Read More »

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
Read More »

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.
Read More »

Thursday, 27 November 2014

The Complete Meaning Of Cement Concrete

WHAT IS A CEMENT CONCRETE
Cement concrete is a mixture of cement coarse aggregate, fine aggregate (non coherent materials) and water to form a hard coherent mass as a result of the chemical reaction which takes place between the water and the cement (hydration). It is a man made composite: the major constituent of which natural aggregate such as gravel is and sand or crushed rock. Alternatively, artificial aggregate for example: blast-furnace slag, expanded clay, broken brick and steel shot may be used where appropriate.
Read More »

Sunday, 2 November 2014

30 Steps To Making Your Home Cooler

For a tropical region, a cool interior with continuous flow of air is desirable because of high humidity and intense sun rays that emits a lot of head to the environment
Generating cooler air through mechanical /electrical means can be expensive as well, but you can do a lot to reduce the heat in your home. The general concept is to keep the air moving.
Read More »

Steps In Buying A Plot Of Land In Nigeria

There are basic steps you ought to take when you've finally decided to buy a plot of land in Nigeria whether as a Nigerian or a foreigner. This post is created and directed to those willing to buy a plot of land in Lagos, but the steps below are also applicable in other parts of the country like portharcourt, warri, Abuja, Benin, Sapele, Aba, Asaba, all the major cities in Nigeria
 To reduce stress you must ask basic questions and take these steps
Consult your agent and tell him exactly what you want and how you’ll like to have it, if you have a good agent he will most likely get a property close to what you want faster than you might think is possible, this will save you stress, but give him the instruction that you won’t want a land under government acquisition, this will make him to work harder and search for the right one.
Read More »

Cities In Nigeria Where Real Estate Will Boom


This post is created for the viewing pleasure of you, yes you! a constant reader of my blog and today we will be discussing on a list of cities in Nigeria that will generate a lot of income from Real estate development, i will also tell us why these states are the best to invest in 

There are different factors that will determine the profitability of your investment in Real estate. 

Number one is demand- The rate of demand will have to come first before any other considerations since the law of demand states that " an increase in demand leads to an increase in price" this is the reason why it may cost a young man almost N450,000 to be able to settle down in a nice apartment in Lagos (even if that amount may only afford a self con or bed sitter)
Read More »

HowTo Calculate For The Number Of Blocks For Your Building

One of the commonly asked questions from a would-be house owner to his consultant or contractor is:

How many blocks do I need to get my building completed”?

Hence this post created with illustrations to make it easy for you to do the calculations yourself from the plan your architect gave you.






The plan above is for a 2 bedroom bungalow, so we are going to start from the basics having in mind these factors:
Read More »

Saturday, 25 October 2014

Possible Causes Of Collapse Of Buildings

Collapse of buildings is not new to Nigeria, neither is it only peculiar to Nigeria, however that will not stop us from taking critical look at the situation and finding a solution to it.

Collapse of building though can happen to any kind of building but the casualty of multistory buildings can be so terrible.
The collapse of storey buildings in Nigeria, especially in Lagos usually goes along with it attending casualties which can be more than 20. But what really motivates multi-storey buildings.
Read More »

How To Avoid Cracks On Walls After Plastering


The aim of this post, is therefore to give us an insight on the preparatory steps for plastering or rendering 

As we all know, plastering is an in expendable part of the finishing touches in building construction projects. Its therefore the aspect of construction that Presents the beauty or aesthetics of a building and as such, any error made during this stage maybe very difficult or impossible to correct.
Read More »