A big box retail store is built with CMU bearing walls around its perimeter. The store measures 450 ft across the front and back and 360 ft across the sides. The walls are 28 ft tall and are reinforced horizontally with truss bars in alternate courses and vertically with #4 bars 32 in. on-center. There is an 8” tall bond beam running around the full perimeter of the building at the roof level (24 ft) to support the roof framing. The openings in the CMU walls, and the associated lintels are as follows: Opening Location Quantity Size Lintel Lintel Rebar Door Front wall 2 8’-0” x 10’-0” 16” tall CMU 2, #4 Door Side wall 2 each side 8’-0” x 4’-0” 8” tall CMU 1, #4 Door Back wall 3 8’-0” x 9’-0” 16” tall CMU 2, #4 Window Side wall 2 4’-0” x 3’-0” 8” tall CMU 1, #4 Note: each lintel should be a multiple of 8” long and have 8” of bearing on each side of the opening. Opening sizes are listed as height x width Determine the national average bare cost for the lintels using RSMeans 04 22 10. Determine the national average bare cost to for the bond beams using RSMeans 04 22 10 Determine the national average bare cost for the vertical reinforcing using RSMeans 04 05 19 and associated grout using RSMeans 04 05 16. Use maximum 8 ft long pieces and lap splice the bars at least 30 bar diameters. Include 15% waste for the grout.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A big box retail store is built with CMU bearing walls around its perimeter. The store measures 450 ft across the front and back and 360 ft across the sides. The walls are 28 ft tall and are reinforced horizontally with truss bars in alternate courses and vertically with #4 bars 32 in. on-center. There is an 8” tall bond beam running around the full perimeter of the building at the roof level (24 ft) to support the roof framing. The openings in the CMU walls, and the associated lintels are as follows:

Opening	Location	Quantity	Size	Lintel	Lintel Rebar
Door	Front wall	2	8’-0” x 10’-0”	16” tall CMU	2, #4
Door	Side wall	2 each side	8’-0” x 4’-0”	8” tall CMU	1, #4
Door	Back wall	3	8’-0” x 9’-0”	16” tall CMU	2, #4
Window	Side wall	2	4’-0” x 3’-0”	8” tall CMU	1, #4

Note: each lintel should be a multiple of 8” long and have 8” of bearing on each side of the opening. Opening sizes are listed as height x width

Determine the national average bare cost for the lintels using RSMeans 04 22 10.
Determine the national average bare cost to for the bond beams using RSMeans 04 22 10
Determine the national average bare cost for the vertical reinforcing using RSMeans 04 05 19 and associated grout using RSMeans 04 05 16. Use maximum 8 ft long pieces and lap splice the bars at least 30 bar diameters. Include 15% waste for the grout.
Determine the national average bare cost for the typical CMU using RSMeans 04 22 10.

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