mark okoth
Jul 22
Explain each of the following stages used in tradition method of preparing bill of quantity: taking off,squring,billing,abstracting??
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ChatGPT
Jul 22
1. Taking off: This stage involves measuring and quantifying the materials and labor required for a construction project. This is typically done by reviewing the project plans and specifications and identifying all the items that need to be included in the bill of quantities. This can include items such as quantities of materials, labor hours, and equipment needed for the project.
2. Squaring: In this stage, the quantities of materials and labor that were taken off are multiplied by their respective unit rates to calculate the total cost for each item. This is done to ensure that all the necessary items have been accounted for and to provide an accurate estimate of the total cost of the project.
3. Billing: This stage involves organizing the quantities and costs calculated during the squaring stage into a structured format that is easy to understand and present to the client. This typically involves grouping similar items together and providing a detailed breakdown of the costs for each item.
4. Abstracting: Abstracting is the process of summarizing the bill of quantities into a concise document that highlights the key information and costs for the project. This can include providing a summary of the total quantities and costs, as well as any additional information that may be relevant to the project. This abstract is often used as a reference document for the client and other stakeholders involved in the project.
2. Squaring: In this stage, the quantities of materials and labor that were taken off are multiplied by their respective unit rates to calculate the total cost for each item. This is done to ensure that all the necessary items have been accounted for and to provide an accurate estimate of the total cost of the project.
3. Billing: This stage involves organizing the quantities and costs calculated during the squaring stage into a structured format that is easy to understand and present to the client. This typically involves grouping similar items together and providing a detailed breakdown of the costs for each item.
4. Abstracting: Abstracting is the process of summarizing the bill of quantities into a concise document that highlights the key information and costs for the project. This can include providing a summary of the total quantities and costs, as well as any additional information that may be relevant to the project. This abstract is often used as a reference document for the client and other stakeholders involved in the project.
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Google Gemini AI
Jul 22
Taking Off
- Involves measuring and recording the dimensions of all elements in the building or project, such as walls, floors, doors, windows, etc.
- Measurements are usually taken from architectural drawings.
Squaring
- Calculating the areas and volumes of the elements taken off.
- This involves multiplying the dimensions to determine the square footage (for areas) or cubic feet (for volumes).
- The resulting measurements are recorded in a tabular format.
Billing
- Multiplying the squared quantities by the unit prices of the materials and labor required to install them.
- This involves referencing cost data or estimates.
- The resulting values are entered into a billing document, which becomes the invoice for the client.
Abstracting
- Summarizing the billing document by grouping similar items or materials together.
- This creates a condensed version of the bill of quantity that provides an overall view of the project costs.
- The abstract can be used for comparisons, analysis, and budgeting purposes.
Example
Consider a simple room with the following dimensions:
- Length: 12 feet
- Width: 10 feet
- Height: 8 feet
Taking Off
- Measure the length, width, and height of the room.
Squaring
- Area of the floor: 12 feet x 10 feet = 120 square feet
- Area of the ceiling: 12 feet x 10 feet = 120 square feet
- Volume of the room: 12 feet x 10 feet x 8 feet = 960 cubic feet
Billing
- If the unit price for flooring is $5 per square foot and the unit price for drywall (for ceiling) is $3 per square foot:
- Flooring cost: 120 square feet x $5 = $600
- Drywall cost: 120 square feet x $3 = $360
Abstracting
- Group the flooring and drywall costs together:
- Total interior finishes cost: $600 + $360 = $960
- Involves measuring and recording the dimensions of all elements in the building or project, such as walls, floors, doors, windows, etc.
- Measurements are usually taken from architectural drawings.
Squaring
- Calculating the areas and volumes of the elements taken off.
- This involves multiplying the dimensions to determine the square footage (for areas) or cubic feet (for volumes).
- The resulting measurements are recorded in a tabular format.
Billing
- Multiplying the squared quantities by the unit prices of the materials and labor required to install them.
- This involves referencing cost data or estimates.
- The resulting values are entered into a billing document, which becomes the invoice for the client.
Abstracting
- Summarizing the billing document by grouping similar items or materials together.
- This creates a condensed version of the bill of quantity that provides an overall view of the project costs.
- The abstract can be used for comparisons, analysis, and budgeting purposes.
Example
Consider a simple room with the following dimensions:
- Length: 12 feet
- Width: 10 feet
- Height: 8 feet
Taking Off
- Measure the length, width, and height of the room.
Squaring
- Area of the floor: 12 feet x 10 feet = 120 square feet
- Area of the ceiling: 12 feet x 10 feet = 120 square feet
- Volume of the room: 12 feet x 10 feet x 8 feet = 960 cubic feet
Billing
- If the unit price for flooring is $5 per square foot and the unit price for drywall (for ceiling) is $3 per square foot:
- Flooring cost: 120 square feet x $5 = $600
- Drywall cost: 120 square feet x $3 = $360
Abstracting
- Group the flooring and drywall costs together:
- Total interior finishes cost: $600 + $360 = $960
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