Questions and Answers
What is the main purpose of quantity surveying in a construction project?
To measure and quantify the various items needed in a project
In which project phase are the quantities of all items estimated to prepare the project bill of quantities?
Design phase
What is the most important aspect to consider when writing specifications for a construction project?
Being brief and avoiding unnecessary words
What is one of the tasks covered in quantity surveying as described in the text?
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In construction, what does the term 'surveying' mean?
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What is the purpose of measuring the actual works during construction?
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Which parties should a specification primarily refer to in a construction contract?
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What is the purpose of preparing a Bill of Quantities (BOQ) according to the text?
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What is included in the tasks covered by quantity surveying as per the text?
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Why is it important to avoid specifying both methods and results in the same requirement?
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How should specifications be arranged in terms of the execution of work?
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Why is the preparation of detailed cost estimates important in a construction project?
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What is the unit of measurement used for mass and thick works?
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In quantity surveying, what is the process of measuring or scaling dimensions from drawings called?
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Which type of work is measured in length using linear measure?
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What is included in bills prepared in quantity surveying?
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Which term refers to measuring thin, shallow, and surface work?
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What is the first step in the preparation of Bill of Quantities?
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Study Notes
Guidelines for Specification Writing
- Be specific and not indefinite
- Be brief, avoid unnecessary words or phrases
- Give all the necessary facts
- Avoid repetition
- Specify in the positive form
- Use correct grammar
- Direct rather than suggest
- Use short rather than long sentences
- Do not specify both methods and results
- Do not specify requirements in conflict with each other
- Do not justify a requirement
- Avoid sentences that require other than the simplest punctuation
Quantity Surveying
- Quantity surveying involves measuring or estimating work quantities in different project phases
- It is used to prepare the project bill of quantities and estimate the project cost
- Quantity surveying involves calculating the quantity of materials, labor, and equipment needed for the construction work
Purpose of Quantity Surveying
- Assist the client to have an accurate estimate of work quantity and required budget
- Assist in the accurate preparation of tenders by providing uniform measurement of quantities
Measurement Rules
- Mass and thick works are measured in volume (cubic meter)
- Thin, shallow and surface work are measured in area (meter square) specifying the thickness
- Long and thin work are measured in length (linear measure, running meter)
Steps of Quantity Surveying
- There are four clearly defined steps in preparing the Bill of Quantities
Step 1: Taking Off
- Measure or scale dimensions from drawings and record all dimensions in an easily understood format
- Couple descriptions from drawings and specifications
- "Take off" dimensions from drawings and determine the quantity of work to be done
- Record quantities in a specially prepared format (Take off sheets or Dimension Paper)
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