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Calculating the number of studs/joists/trusses, Masonry — estimating bricks – Calculated Industries 3088 User Manual

Page 22

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Calculating the Number
of Studs/Joists/Trusses

Find the number of 16 inch on-center (o.c.)

studs needed for a 18 feet 7-1/2 inch wall.

COMMENTS

KEYSTROKES

Clear calculator

[On/C] [On/C]

Enter length of wall

18 [Feet]

7 [Inch] 1 [/] 2

Divide by o.c. distance [÷] 16 [Inch] [=]

Answer: 13.96875 studs

Add one for each end

[+] 1 [=]

Answer: 14.96875 (round to 15)

Similar uses apply to trusses and joists.

Masonry — Estimating Bricks

How many standard bricks (2-1/4” x 3-3/4” x

8”) with 1/2 inch joints are required for a wall
measuring 36 feet 6 inches long and 8 feet high?

COMMENTS

KEYSTROKES

Clear calculator

[On/C] [On/C]

Enter height of wall

8 [Feet]

Divide by brick height

[÷] 2 [Inch] 3 [/] 4 [=]

Number high

34.90909

Store in Memory

[M+]

Enter length of wall

36 [Feet] 6 [Inch]

Divide by brick length

[÷] 8 [Inch] 1 [/] 2 [=]

Number wide

51.52941

Mult. for total bricks

[x] [Rcl] [Rcl]* [=]

Answer: 1798.845

Add 5% for spoilage

[+] 5 [%]

Answer: 1888.787 (inc. 5% spoilage)

* Be sure to clear Memory before proceeding to next
problem. [Rcl] [Rcl] was used here (instead of [Rcl] [M+])
as it automatically recalls and clears the value in the
Memory.

22 — Construction Master III

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