Step 1: Calculate Wall Net Area The gross area of the exterior walls is 960 sq. ft. The window and door schedules are given as follows. Description Entrance Door Garage Door Windows Name Standard Engineer Economy Roman Norman. 17 ft Height (H) 2 2/3 3 1/5 4 2 22/3 Size 36" x 84" 8' x 6'-6" 30" x 46" 4 4 Quantity 1 Step 2: Calculate Total Number of Bricks Required and Brick Cost (The exterior walls are standard type brick, $0.7 per brick). The following table gives the names and nominal size of modular bricks. Nominal dimensions, in. Depth (D) 4 4 4 I 1 5 27 ft Length (L) 8 8 8 12 12 bricks/sf 6.75 5.63 4.5 6 4.5 Step 3: Calculate Mortar Required and Mortar Cost Mortar Volume per Brick = (L + H+t) x tx D & Mortar thickness is in. and costs $80/CY Step 4: Calculate Wall Ties Required and Their Cost The ties are placed every 20 in the horizontal direction and 24 in. in the vertical direction and they cost $5 per 100 wall ties. Step 5: Calculate Roof Rafters Required and Their Cost The roof slope is 4:12 (rise over run) and the rafters cover the 17 ft span and extend 1 ft outside of each exterior wall (overhang = 1 ft). All rafters are 2x6 @ 16" O.C. Material cost is $0.8/board feet. Here is the doors and windows schedules: Description Entrance Door Garage Door Windows Total Opening Area Step 1: Calculate Wall Net Area Walls' Gross Area (sq.ft) 960 Size 36 8'*6'-6" 30" 46" Net Surface Area (st) Openings Step 2: Calculate Total Number & Cost of Bricks Required Brick Type bricks/sf # of bricks Total Material Cost Quantity 1 1 5 Net Area (1) Step3: Mortar required Note: Volume per brick (L+H+1)xtxD& Mortar thickness is % in, and costs $80/CY Volume per brick (cu. in) H D Step 4: Calculate Wall Ties Required and Their Cost Spacing of ties (sq. in./tie) (sq. ft./tie) Total Mortar Volume cu. in. cu.yd. Total Area (sf) 50.0 Bricks Cost Mortar Cost #ofties The ties are placed every 20 in the horizontal direction and 24 in. in the vertical direction and they cost $5 per 100 wall ties Step 5: Calculate Roof Rafters Required and Their Cost Total width of roof Bafter length ties cost of Rahar Total Lin. Fr Total Bi The following table gives the names and nominal size of modular bricks. Nominal dimensions, in. bricks/sf Name Height (H) Depth (D) Length 1 Standard 22/3 8 8 8 Engineer 31/5 Economy 4 Roman 2 22/3 12 Norman 12 Rater Cost 4 4 4 4 4 6,75 5.63 4.5 6 4.5