Comparative Analysis of Time and Cost in the Work Installation of Walls outside the Building Using Red Brick Walls and Light Brick Walls in the City of Kaltim Post Tenggarong

The use of red brick as a wall filling material has been seen in various buildings from the past until now. This material, until now seems to still have a place in people's hearts even though there have been many civil technology strikes with various construction engineering such as lightweight bricks. The length of time on the red brick pair work by using the composition of labor 1 foreman, 3 masons and 2 mason assistants, on the red brick pair work is 41 days while for red brick plastering work takes 35 days. The length of time for light brick masonry work with a workforce composition of 1 foreman, 3 masons, and 2 mason assistants for light brick masonry work is 30 days while for light red brick plastering work it takes 26 days. So the time difference between the two work pairs of red brick walls and lightweight masonry walls is 76- 56 = 20 days. The total cost for the pairing of red brick walls added to the cost of plaster is Rp. 217,295,997.9 and the total cost of the light brick pair work added to the cost of plastering is Rp. 170,453,329.0 and the difference in cost of the two works is Rp. 46,842,266.8.