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3. Addition of two more block course to the upper floor. Blocks were added to increase the upper floor head room.
Quantity of blocks = about 1900blocks
back of cement used to make the mortar = 23bags
trip of sand = 2 trips

2. Making of bamboo scaffolding
quantity of bamboo = 250nr @ N200/nr
Nail = one bag of 5'' nail and one bag of 4'' nail
Binding wire = 4 roles
duration of work = 5 days (simultaneously done with roof removal)

EgunMogaji:
I like this and wouldn't even mind leaving the concrete finish and just applying sealer if done right.

If money wasn't an object I would have used a concrete pour for the entire building from foundation.

i really like your taste size. i love those simple finishes too

A. stage one: removal of existing roof.
Before the commencements of the project the client present to us a very beautiful and functional 3D of the building which was done by a reputable architect here, which we intend to use for the building renovation.
For copyright reason i will not share that here without his permission

Before we can do any renovation work, it was important to remove the existing roof.
The roof was removed by 5 capable carpenters.
duration of work = 5 days
Number of carpenters = 5

The renovation work was planned to go in phases and all the activities are listed in stages below.
A. stage one
1. Removal of existing roof
2. Making of bamboo scaffolding
3. addition of more blocks to increase upper floor head room
4. removal and addition of partition walls to building to change some of the occupancy.
5. Addition of one front balcony and two other balconies at the back
6. Removal and construction of two stair
7. Re modification of existing windows to have a modern look
8. other masonry work.
9. the making of head beam
10. construction of polystyrene fascia

B. stage two:
1. The construction of the roof truss ( timber trusses)
2. Installation of stone coated tile roofing sheet

C. Stage three:
1. Plastering of building
2. fabrication of iron protectors
3. fabrication of Aluminum casement windows
4. Installation of casement windows and protectors

more pictures

i will start by brief description of the existing building.
building type: nine bedroom duplex with three kitchen
structural type : ground floor partitions wall are load bearer
structural condition of building : satisfactory

we are here again to present our ongoing renovation work.
client : Nairalander
location : undisclosed
project : renovation work of a duplex
duration : ongoing
contractor: Harney project (podosci and abdulwastecx).

plastering can also be done to be very smooth that you may not need to screed the wall.
here are some pics from my ongoing renovation work

abouzaid:
they would soon go for your head for saying the truth.

No one will go for his head

johnson232:
sir i don't understand what u mean by the columns will be round at the lintel level?
do u mean i should use round columns?
thanks.

I mean tied round or links round with lintel

Yes you can do that provided all the columns will be the round at the lintel level

skyps:
Please can you give us the cost update?

I will do that as soon as I can

johnson232:
this is nice.
the plastering is quite dark.
what is the mix ratio?
do u know how many tons of sand makes one wheel barrow?

1:1:4 one part of cement to one part sharp sand to four part of plaster sand.

One wheel barrow is equivalent to 4 head pan and one head pan have a weight of about 25kg , remember one tonne is equivalent to 1000kg.

Check out for 4 x 4/12.... The first 4 means 4 nr of bars , the second the second 4 means 4 which is the length of the bar

aleem50:
sir, you didn't put into consideration the length of the bars when calculating for the number of bars required. Pls how did you come about your own calculation?

Look closely..... You will see bar length.
Check out for '12'

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mrpally:
@karleone, what is the difference between raft foundation and strip. I am not an expert in this field, so assume zero knowledge.

raft foundation is a form of mat foundation in the same categories as 1.isolated pad footing, 2.combined pad footing, 3.continues pad footing and 4.cantilever pad footing.

the raft foundation is normally used when the soil strata on which the building is resting on is relatively poor (low bearing capacity, settlement rate, etc).
This foundation is spread through out the entire foundation to form the simplest form of raft foundation.
there are different type raft foundation
1. flat slab raft foundation: this is an inverted type of flat slab
2.downward beam raft foundation: this is the type where the beam is facing down while the slab is on top of the raft beam.
3. upward beam raft beam, this is a type of raft foundation where the beam is facing up and the slab is down.

one of the major advantage of raft foundation over other forms of shallow foundation is ability to distribute load over a large area of soil and uniform settlement rate.

It should also be noted that most of the raft constructed are not actually properly done because the following rules are not adequate followed.
1.raft beam and slab should be constructed monolithically
2. the raft is founded at reasonable depth below the ground level and that is why most raft foundation comes with a basement
3. the raft is done from the information gotten from a detailed soil investigation.

RMU:
This is fantastically Ok, Please can i have the comprehensive cost for roofing to include the number of hardwood used, the square meter of the roofing sheet and the workmanship.

i will find time to re summarized that for you my oga.

nameoh:
how does parapet wall look like.

parapet wall is a wall built at the edge of the roof round to serve as wind breaker. It looks good on a building if properly done

aleem50:
that's good, I am trying to embark on a project next year, it a 4,bedroom flat, is it advisable to omit columns at the four corners of the proposed building or not?

Don't omit column at the corners my oga. It will do your building a lot of good

EgunMogaji:
Thank you. I was trying not to have to chisel the brickwork but I don't see any way out of that for now.

What about the drain for the toilet bowl, how do you do that?

By the way I ran into one of your old builds (pictured) its share brilliance. A tip of my bowler hat to you.

Brilliant design. I love it

lastpage:
Cost - chose 1 (uses less materials)

beauty - chose 2 (This much is obvious)

Durability - Chose 2 (Run-offs is quicker than 1, due to angle of slope, Less likely to rust as it does not retain water or other contaminants easily, compared to 1;Less likely to be "blown-off by wind" (for same type of tie-down) compared to 1 )

So, depending on what is most important to you, you can make your own decision



Lastpage!

Option one is definitely cheaper.

Option one can also be more beautiful or esthetically pleasing than option two depending on how you finished the building and since beauty is subjective.

Option one is more durable and will not lick easily because of lack of excessive Valley. Roof lick easily at the valley, since long span roofing sheet is used for option one the dilemma of joint along purlin is eliminated.

Option one can also have better resistance to uplifting wind or any lateral lad acting on the roof through the introduction of parapet wall (don't confuse with concrete fascia).

aleem50:
Nice job man, are you a contractor or a quantity surveyor?

I am a contractor/civil engineer

twinskenny:
baba eku ise sir.. Guess you are back

I have been around since on Wednesday

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