Building Laws Quiz 5 & 6- BP220 & PD 957

Based on the prescribed hierarchy of roads and road widths in BP 220 and PD 957, which of the following is the narrowest?

• Minor road

• Alley

• Interconnecting Road

• Pathwalk

What is the maximum allowable riser height for stairs in BP 220?

• 150mm

• 175mm

• 200mm

• 250mm

What is the minimum tread width for stairs in BP 220?

• 200mm

• 225mm

• 250mm

• 300mm

In terms of cost, which of the following is the most expensive?

• Economic housing

• Socialized housing

• Open market housing

• Medium cost housing

Which of the following is prohibited by BP 220 and PD 957?

• A rowhouse cluster of 10 units

• A rowhouse cluster of 20 units

• A rowhouse cluster 100 m. long

• A block 500.00m long with a 2.00m-wide alley approximately at the center

Answer explanation

The rest are all allowed.

For long blocks, an alley must be provided when the block becomes _____ long or longer.

• 200m

• 250m

• 300m

• 500m

What is the prescribed ratio for saleable and non-saleable lots in BP 220?

• 30% saleable max, 70% non-saleable min

• 70% saleable max, 30% non-saleable min

• 30% saleable min, 70% non-saleable max

• 70% saleable min, 30% non-saleable max

• None of the above

Answer explanation

Remember: there is no prescribed ratio in BP 220.

What is the prescribed ratio for saleable and non-saleable lots in PD 957?

• 30% saleable max, 70% non-saleable min

• 70% saleable max, 30% non-saleable min

• 30% saleable min, 70% non-saleable max

• 70% saleable min, 30% non-saleable max

• None of the above

Answer explanation

Remember: PD 957 only caps the saleable portion, and only places a minimum for the non-saleable portion.

Which of the following is true?

• An alley may be used as property access for socialized developments only

• A pathwalk may be used as property access for socialized and economic developments

• A pathwalk length of up to 60.00 m. is allowed

• An alley must have a minimum width of 1.20 m.

Answer explanation

The other options are wrong. For (a), an alley can never be used as property access. For (b), a pathwalk is only allowed as property access for socialized projects, not economic. For (d), should be 2 meters minimum.

What is the minimum ceiling height required for socialized and economic housing (not including mezzanines)?

• 2.7m`

• 2.4m

• 2.1m

• 2m