Practice Test Geeks(CDS) Certified Demolition Supervisor Practice Test
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Blueprint Reading & Specifications Flashcards

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  1. A demolition drawing revision cloud indicates what to the field supervisor?

    Answer: An area of the drawing that has been changed since a prior issued revision

    Revision clouds are drawn around any area of a blueprint that has been modified, alerting users to review that section for changes.

  2. When a specification says 'work included in this section' versus 'related sections,' what is the contractor's obligation?

    Answer: Perform the work described in this section and coordinate with, but not necessarily do, the work in related sections

    The 'work included' paragraph defines the contractor's direct scope; 'related sections' references point to coordinating work performed under other spec sections.

  3. On a demolition elevation drawing, what does a dimension string with an arrow pointing to 'FFE' refer to?

    Answer: Finished Floor Elevation

    FFE stands for Finished Floor Elevation and indicates the height of the completed floor surface, used as a reference datum on elevation drawings.

  4. A note on a structural demolition plan reads 'SHORING REQUIRED PRIOR TO DEMO.' Who is responsible for designing the shoring?

    Answer: The demolition contractor or their hired engineer, unless the drawings provide a design

    Unless shoring drawings are provided in the contract documents, the demolition contractor is responsible for engineering and installing temporary shoring.

  5. A demolition specification references ASTM C117. What subject does this standard most likely address?

    Answer: Testing of fine material in aggregate by washing (particle size analysis)

    ASTM C117 is the standard test method for material finer than the No. 200 sieve in mineral aggregates by washing, relevant to soils and demolition debris.

  6. On a demolition blueprint, what does the symbol 'GL' typically reference on a floor plan?

    Answer: Grid Line reference axis

    On structural and architectural floor plans, GL most commonly identifies a Grid Line, which is a reference axis used to locate structural elements.

  7. What is the purpose of a 'demolition sequence diagram' found in some sets of demolition drawings?

    Answer: To specify the order in which structural elements must be removed to maintain stability

    A demolition sequence diagram prescribes the order of element removal to prevent progressive collapse or instability during the demolition process.

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