Ref # Impact measure Formula Input / assumption
Average wage per hour
Frequency of licence application : 1 every 5 years 59
Time to prepare first application ( hours ): 18.75 ( Deloitte , 2021 )
Hours to prepare renewal application ( per PBCU ):
9.375 60
Average wage per hour : $ 47 ( see Table 28 )
Time period First application : year before prohibition taking effect Licence renewal : five years afterwards
# 4
Licence application and renewal costs
( Option 3 – licensing framework for work with lower silica engineered stone )
Licence application costs ( Option 3 - engineered stone < 40 %) ( for each year of licence application ) = Number of engineered stone PCBUs applying for licence × Hours to prepare application ( per PBCU ) × Average wage per hour
Number of engineered stone PCBUs applying for licence 61 : Option 3
� Sole trader : 418 � Small businesses : 399 � Medium businesses : 137
Licence frequency : Same as Ref # 3
Hours to prepare first application ( per PBCU ): Same as Ref # 3 Hours to prepare renewal application ( per PBCU ): Same as Ref # 3
59
Silica Decision RIS assumption
60
Model assumption – expected 50 % savings in preparation costs compared to first licence application
61
These populations have been estimated based on Section B . 7 . Percentages of businesses likely to follow each decision path available to PCBUs , under each prohibition option , were applied to the populations described in Sections B . 3 and B . 4 .
DECISION REGULATION IMPACT STATEMENT Prohibition on the use of engineered stone Page 95 of 107