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APC Quantity Surveying > Construction Technology > Flashcards

Construction Technology Flashcards

1
Q

Name some advantages and disadvantages of precast concrete

A
  • It offers high strength as it is cast in a controlled environment with ideal conditions
  • Less time to install as it is ready upon delivery
  • Requires transportation and has to be craned into position which may be difficult on some sites
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2
Q

Name some advantages and disadvantages of insitu concrete

A
  • It can be cast in any form so provides more flexibility to designers
  • Longer to install, as it requires the installation of formwork and rebar prior to pouring
  • It can be used for areas where transportation is difficult
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3
Q

What are the RIBA stages of work?

A

0 - Strategic Detention
1- Preparation and briefing
2 - Concept design
3 - Spatial coordination
4 - Technical design
5 - Manufacturing and construction
6 - Handover
7 - Use

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4
Q

What are the GRIP stages?

A

1 - Output definition
2 - Feasibility
3 - Option Selection
4 - Single Option Development
5 - Detailed Design
6 - Construction test and commission
7 - Scheme handback
8 - Project Close out

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5
Q

What takes place in RIBA stage 0?

A
  • Defines the the business case and client requirements
  • Project risks, project budget and site surveys
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6
Q

What takes place in RIBA stage 1?

A
  • Guidance on project outcomes
  • Clients requirements are considered in more detail
  • Feasibility studies are undertaken and project budget agreed
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7
Q

What takes place in RIBA stage 2?

A
  • Sets the architectural concept for the project
  • Preparation of site information, project brief, spatial requirements
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8
Q

What takes place in RIBA stage 3?

A
  • Architectural and engineering info are spatially coordinated
  • Design studies and engineering analysis are undertaken and project cost plan updated
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9
Q

What takes place in RIBA stage 4?

A
  • All design information required to manufacture and construct is completed
  • Stage 4 will often overlap with stage 5
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10
Q

What takes place in RIBA stage 5?

A
  • Manufacturing, construction and commissioning are completed
  • There is no design work other than responding to queries
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11
Q

What takes place in RIBA stage 6?

A
  • Building handed over, after care initiated and building contract concluded
  • Rectifying defects
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12
Q

What takes place in RIBA stage 7?

A
  • Building used operated and maintained effectively
  • Stage 7 starts concurrently with stage 6 and lasts the life of the building
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13
Q

What are the benefits of BIM?

A
  • Increased collaboration and coordination: collaboration is done in real time
  • Reduced construction time and cost: Detailed estimating and clash detection can be achieved
  • Improved quality and safety: Allows visualisations and simulations
  • Enhanced sustainability: Allows evaluation of building components
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14
Q

Name some different types of piles

A
  • Sheet piles: can be used to form basement walls or act as a retaining wall
  • Secant piles: Interlocking piles poured into the ground can provide a waterproof structure
  • Bored piles : An auger is used to excavate the soil and concrete is then poured in
  • Pre-cast piles: Piles are hammered into the ground
  • CFA Piles: Continuous flight auger, are drilled into the ground and concreted in one continuous operation
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15
Q

What is a CAT3 check?

A
  • Highest level of check required for complex designs
  • An independent organisation must be used to check the design
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16
Q

What is a CAT2 check?

A
  • Used for designs more complex than CAT1
  • Includes designs where loading or soil info need to be interpreted
  • Same organisation different team
17
Q

What is a CAT1 check?

A
  • Check for simple designs, including formwork and brickwork
  • Different member of staff must complete the check
18
Q

When is BIM applicable for a construction project?

A
  • For public funded projects it is mandatory to be compliant with BIM level 2
  • BIM level 2 is collaborative working between parties using a 3D CAD model
19
Q

What is a latent defect?

A
  • A hidden flaw or defect in the workmanship, design, materials or construction
20
Q

Can you explain how you managed the Thames Water Sewer with the asset owner?

A
  • It is a Thames Water requirement to undertake impact assessments when working within a certain proximity of their asset
  • Therefore I instructed the TWD’er to undertake an impact assessment and a design for a service protection slab to ensure the protection of the asset
21
Q

When would you appoint a Contractor under the RIBA stages of work?

A

Depends of the procurement route
- Traditional procurement: Stage 4
- Design & Build procurement: Stage 3
- Management contract/Construction management: Stage 2

22
Q

What are contiguous piles?

A

They are piles which are bored with a close proximity of each other to allow ground retaining functions, as well as lateral load functions

APC Quantity Surveying (19 decks)

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