Kubekwe lugege nge "construction regulations"

I-CIDB Grading Ichaziwe: Emagrade eBacontractor 1–9 eNingizimu Afrika

I-CIDB grading ichaziwe yebacontractor base-SA: grade 1-9, imikhawulo yetimali ngegrade ngayinye, indlela yekwenyuka kanye nebaluleka kwegrade yakho.