Frames - off site construction methods

Question 1

What is off-site construction?

Answer 1

A method where building components are manufactured in a factory and then assembled on the construction site.

Question 2

Name two advantages of off-site construction.

Answer 2

Better quality control in factory conditions

Faster construction due to parallel site and factory work

Question 3

Name two common challenges of off-site construction.

Answer 3

Transportation logistics for large components

Design must fit within transport size limits

Question 4

What are Structural Insulated Panels (SIPs)?

Answer 4

Foam core panels sandwiched between OSB (Oriented Strand Board) facings, used for walls and roofs.

Question 5

What are pre-assembled units/elements?

Answer 5

Building parts like foundations or walls made in a factory and delivered ready to install on-site.

Question 6

What is pre-assembled structural steelwork?

Answer 6

Steel components partially assembled in a factory before being delivered.

Question 7

Advantages of pre-assembled steelwork?

Answer 7

High precision welding

Safer and quicker site installation

Question 8

Where is pre-assembled steelwork commonly used?

Answer 8

High-rises, industrial buildings, bridges

Question 9

What is an SFS system?

Answer 9

Lightweight steel frames made from cold-formed steel.

Question 10

Benefits of SFS?

Answer 10

Fast to install

Consistent quality

Fire resistant

Question 11

One common issue with SFS?

Answer 11

Thermal bridging – requires proper insulation.

Question 12

What are framed panels?

Answer 12

Prefab wall or floor sections with a timber or steel frame and sheathing.

Question 13

Benefits of framed panels?

Answer 13

Custom design

Lightweight and efficient

Less on-site waste

Question 14

What must be considered during installation?

Answer 14

Moisture protection and sealing between panels.

Question 15

What is a sandwich panel?

Answer 15

An insulating core between two metal or composite sheets.

Question 16

Advantages of sandwich panels?

Answer 16

Excellent thermal insulation

Fast installation

Various aesthetic finishes

Question 17

Typical uses of sandwich panels?

Answer 17

Cold stores, industrial walls, roofs

Question 18

Key concern with sandwich panels?

Answer 18

Fire safety – insulation must meet fire regulations.

Question 19

What are flatpack concrete panels?

Answer 19

Precast panels delivered flat-packed for easy transport and on-site assembly.

Question 20

Benefits of flatpack concrete?

Answer 20

Durable

Efficient to transport

Quick to install

Question 21

challenges of flatpack concrete?

Answer 21

Needs cranes

Requires proper joint sealing

Question 22

How does 3D printing work in construction?

Answer 22

Materials like concrete are layered to build components or entire structures.

Question 23

Advantages of 3D printing?

Answer 23

Less waste

Custom shapes

Reduced labour

Question 24

One consideration with 3D printed buildings?

Answer 24

Regulatory approval and long-term performance of materials.

Question 25

What are 3D volumetric modules?

Answer 25

Fully finished building units (like rooms) made off-site and installed whole.

Question 26

Benefits of 3D modules?

Answer 26

High quality control Quick on-site setup Less disruption on-site

Question 27

Uses of 3D modules?

Answer 27

Hotel rooms, student housing, apartments

Question 28

What is CIM?

Answer 28

A method that integrates manufacturing (automation, robotics) with construction.

Question 29

Features of CIM?

Answer 29

Uses BIM (Building Information Modeling) Robotic production Lean manufacturing principles

Question 30

Advantages of CIM?

Answer 30

High precision Custom designs at scale Cost-effective over time

Question 31

Considerations for CIM?

Answer 31

High setup cost Requires skilled workforce