Assalammualaikum..
CIVIL ENGINEERING LECTURER WANNABE NOTE.. hehe
ABOUT CIVIL ENGINEER
Profession
A civil engineer is a person who practices civil engineering – the application of planning, designing, constructing, maintaining, and operating infrastructures while protecting the public and environmental health, as well as improving existing infrastructures that have been neglected.
Today I would like to share my #Knowhow : How to Estimate Concrete Block.
Note: Knowhow is a term for practical knowledge on how to accomplish something, as opposed to “knowwhat” (facts), “knowwhy” (science), or “knowwho” (communication). Knowhow is often tacit knowledge, which means that it is difficult to transfer to another person by means of writing it down or verbalising it.. The opposite of tacit knowledge is explicit knowledge.
METHOD NO. 1
Note : Method No.1 tok just an estimate okay.. Contoh mun budget kureng, so kitak mok tauk berapa budgetnya bok kitak figure berapa besar rumah nok dipolah..
Concrete blocks are construction materials used in a variety of projects. Concrete blocks are strong, durable, affordable and utilitarian, and they can be easily reinforced and built upon when added strength and rigidity is needed. The blocks come in consistent unit dimensions, which makes it easy to estimate how many you will need for any project. All you need are some basic tools and math skills to make an accurate estimation. Have a question? Just drop me a comment.
Thing’s you’ll need:
1) Paper (Notebook)
2)Pencil (Mechanical Pencil)
3)Measure Tape (Digital Measure Tape)
4)Calculator (Scientific Calculator)
Instruction:
 Measure the height and width of the area where you plan to use concrete blocks.
 Calculate the area of the space by multiplying the height by the width. For example, if the height is 10 feet and the width is12 feet, the area is 120 square feet.
 Estimate the number of concrete blocks needed by multiplying the area by 1.125. For example, if the area is 120 square feet, you need about 135 concrete blocks. This is an estimate for the standard block dimension, which is 8 inches by 16 inches. If you use blocks of a different dimension, you will have to adjust your estimate
 Add a 6 percent waste margin to the block estimate by multiplying the number of blocks by 1.06. If your original estimate was 135 blocks, your waste margin calls for 143 blocks.
Method 2 :
Note: Method No.2 tok complete.. Measure quantity concrete block dengan berapa bags mortar perlu untuk dinding ya sekali.. So, tok biasa kamek guna mun molah part time job contohnya mun tolong orang design small n budget house. So sidak dapat roughly budget for the whole structural .. So sidak boleh decide either they want to extend the house or vice versa..
Calculating the required number of standard construction blocks:
Block producers are often asked how many standard blocks are needed for a project.
The table below provides a very fast, simple and accurate way to find the answer…

MEASUREMENTS FOR 8X16 FACE BLOCK 
Length

To calculate the number of construction blocks by a specific length:
Multiply the length by .75
Example: 140 ft. x .75 = 105 blocks (includes the mortar joints) 
Height

To calculate the number of rows of construction blocks by a specific height:
Multiply the height by 1.5
Example: 8 ft. x 1.5 = 12 rows (includes the mortar joints) 
Area

To calculate the number of construction blocks by a specific area:
Multiply by 1.125
Example: 160 Sq. Ft. x 1.125 = 180 blocks (includes the mortar joint) 
Mortar Quantities: 3 bags per 100 blocks
Add to Block Amount: 5% to 10% should be added to all quantities for breakage, spillage and errors.
NOTE: These measurements are for a general guideline only. For exact amounts, contact Malaysian Concrete Products…Lol
Note: Method No.3 tok untuk yang makey Professional Services dari Architect and Consultant Civil And Structural Firm p kitak orang sik maok ditipu sidak mantak2..Mentang2 duit torang tek mengarey karo maroo nak.. P jangan maok ditipu sidak melebeh2 gilak, kenak tipu2 sikit ya biasalah ya..huhu..
Sidaknya akan provide semua Bill of Quantity berserta complete drawings dengan tender sekali.. P torang mok check juak lah mun torang rajin. Mun duit banyak bekarong2 rasanya sik perlu lah menin palak nak..Haha.. Tang tulis jak Cheque
Concrete blocks are an inexpensive and versatile building material ideal for the construction of utility buildings like garages. Most concrete blocks are a combination of cement and an aggregate of coal ash (which is why they are also called cinder blocks). Most concrete blocks have holes called cores. These serve to make concrete blocks lighter and less expensive. For a doityourself project, it also means they are a lot easier to handle.
1)Blueprints
2) Measure Tape
3) Calculator
1) Determine the height and length of each wall of the proposed garage. If you are working from a set of blueprints, you’ll find the figures there. Otherwise, use a tape measure to find the length of each wall, using the foundation as a guide after it has been laid. Since the building doesn’t exist yet, you will have to decide on or estimate the height. To be on the safe side, you should allow about 10 feet.
2) Calculate the number of square feet in the walls. Multiply the length times the height of each wall. Then add up the results. For example, for a 15by30foot garage with walls 10 feet high, you have two walls that are 15by10 feet and that are 30by10 feet. This gives you a total of 900 square feet.
3) Figure the area of the garage door by multiplying the planned width by the height. For example, if the door will be 10 feet wide and 8 feet high, you have a total of 80 square feet. Deduct this area from the total wall area (from Step 2). In the example, this is 900 square feet minus 80 square feet for a net wall area of 820 square feet. You may calculate and deduct the area for doors and windows in the same way if you wish. However, the difference is usually small, so you can skip this step.
4) Find the number of concrete blocks required for 1 square foot of wall. Most concrete blocks are approximately 8 inches high by 16 inches long. Multiply the height by the length and divide the result into 144 (the number of square inches in a single square foot). For standard concrete block, this works out to 144/(8*16) = 1.125.
5) Multiply the number of concrete blocks per square foot by the net wall area. For our example above, this is 1.125*820 = 922.5 (round up to 923). Add 5 percent to allow for broken blocks and cutting to fit at corners for a total of 970 concrete blocks.
Wasalam..
Semoga mendapat rezeki dan ilmu yang bermanfaat..
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I m constructng a home….. of 2bhk in site o
f 33 length…&15 width… height 8cm ……, blocks are of 16* 8 inches…so can u pls tell me d estimate of concrete blocks that I need .. ?????