Table 7 The resource usage of construction activities on site.

From: System based greenhouse emission analysis of off-site prefabrication: a comparative study of residential projects

Resource

The resource usage of Project A (unit)

The resource usage of Project B′ (unit)

The resource usage of Project C (unit)

The resource usage of Project D′ (unit)

Off-site

On-site

Off-site

On-site

Diesel (L)

1774

33,432

35,691

279

5430

5649

Electric (kWh)

16,282

325,632

376,105

2644

53,241

59,542

Water (m3)

4525

45,410

54,249

716

7187

8587