The total length of exterior walls of a residential building is 650 lf. The 8-foot long 2x4 studs are spaced 16 in. OC or less. The drawing of the building shows there are 20 corners requiring three studs. Studs are installed on single 2x4 bottom sill plates and capped by double 2x4 top plates for the entire length of the walls. Both bottom and top plates are 16-ftlong each. Prepare a list of materials for the wall studs, corner studs, sill plates, and top plates. For each of the materials, show the nominal dimension, number of pieces of each length, the length ofa lumber, and the total linear feet. Estimate the total direct cost and cost per linear foot of wall for furnishing and installing the studs and plates. Assume $0.75/bf for lumber, $30.00/hour carpenters, and $24.00/hr for laborers. Use the average value in Table 12.10 for the labor-hours **Table 12.10: Labor-Hours Required per 1,000 Board Feet of Stud Wall Framing**This table provides a detailed breakdown of the labor-hours required for constructing stud wall frames with one bottom and two top plates. It specifies labor requirements based on the size of the studs and their spacing.**Table Columns:**1. **Size Studs, in.:** Indicates the dimensions of the studs. Two options are provided: - 2 × 4 inches - 2 × 6 inches2. **Stud Spacing, in.:** Refers to the distance between the center of each stud. Three spacing options are mentioned: - 12 inches - 16 inches - 24 inches3. **Labor-Hours:** - **Carpenters:** Lists the range of hours needed for carpenters. It varies based on the size and spacing of the studs. - **Helper:** Presents the labor-hours needed for helpers, which remain consistent across different sizes and spacings.**Labor-Hour Ranges:**- For 2 × 4 studs: - 12-inch spacing: 20–25 hours for carpenters, 5–6 hours for helpers - 16-inch spacing: 22–26 hours for carpenters, 5–6 hours for helpers - 24-inch spacing: 24–28 hours for carpenters, 5–6 hours for helpers- For 2 × 6 studs: - 12-inch spacing: 19–24 hours for carpenters, 5–6 hours for helpers - 16-inch spacing: 21–25 hours for carpenters, 5–6 hours for helpers - 24-inch spacing: 23–27 hours for carpenters, 5–6 hours for helpers**Note:** These labor-hour estimates are applicable to wall heights up to 10 feet. For walls exceeding 10 feet in height, it is recommended to increase the listed values by 25 percent.

First find the linear feet of material using the relation Make table for list of materials make table for cost of material and labour

Answered: e total length of exterior walls of a…

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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The total length of exterior walls of a residential building is 650 lf. The 8-foot long 2x4 studs are spaced 16 in. OC or less. The drawing of the building shows there are 20 corners requiring three studs. Studs are installed on single 2x4 bottom sill plates and capped by double 2x4 top plates for the entire length of the walls. Both bottom and top plates are 16-ftlong each. Prepare a list of materials for the wall studs, corner studs, sill plates, and top plates. For each of the materials, show the nominal dimension, number of pieces of each length, the length ofa lumber, and the total linear feet. Estimate the total direct cost and cost per linear foot of wall for furnishing and installing the studs and plates. Assume $0.75/bf for lumber, $30.00/hour carpenters, and $24.00/hr for laborers. Use the average value in Table 12.10 for the labor-hours

**Table 12.10: Labor-Hours Required per 1,000 Board Feet of Stud Wall Framing**

This table provides a detailed breakdown of the labor-hours required for constructing stud wall frames with one bottom and two top plates. It specifies labor requirements based on the size of the studs and their spacing.

**Table Columns:**

1. **Size Studs, in.:** Indicates the dimensions of the studs. Two options are provided:
- 2 × 4 inches
- 2 × 6 inches

2. **Stud Spacing, in.:** Refers to the distance between the center of each stud. Three spacing options are mentioned:
- 12 inches
- 16 inches
- 24 inches

3. **Labor-Hours:**
- **Carpenters:** Lists the range of hours needed for carpenters. It varies based on the size and spacing of the studs.
- **Helper:** Presents the labor-hours needed for helpers, which remain consistent across different sizes and spacings.

**Labor-Hour Ranges:**

- For 2 × 4 studs:
- 12-inch spacing: 20–25 hours for carpenters, 5–6 hours for helpers
- 16-inch spacing: 22–26 hours for carpenters, 5–6 hours for helpers
- 24-inch spacing: 24–28 hours for carpenters, 5–6 hours for helpers

- For 2 × 6 studs:
- 12-inch spacing: 19–24 hours for carpenters, 5–6 hours for helpers
- 16-inch spacing: 21–25 hours for carpenters, 5–6 hours for helpers
- 24-inch spacing: 23–27 hours for carpenters, 5–6 hours for helpers

**Note:** These labor-hour estimates are applicable to wall heights up to 10 feet. For walls exceeding 10 feet in height, it is recommended to increase the listed values by 25 percent.

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