Please any AP ND explain me how they got BH-SC ratios 1:0,6 1:0,86 and 1:1,33 instead of 1:1,66 1:1,16 and 1:0,75 ? I am talking abt REVERENCE GUIDE ND V4, page number 176, calculations for "Requirement (b). Building-height-to-street-centerline ratio". I am preparing for nd exam and found this misunderstanding. Thanks