TABLE 10.3 SPACE REQUIREMENTS FOR ESTIMATING NON-ASSIGNABLE AREAS

Question 1

Mechanical Rooms

Answer 1

5-9% of gross building area

Question 2

heating, boiling rooms

Answer 2

3-5% of gross building area

Question 3

heating, forced air

Answer 3

4-8% of gross building area

Question 4

fan rooms

Answer 4

3-7% of gross building area

Question 5

vertical dust space

Answer 5

3-4 ftsq per 1,000 ftsq of floor space available

Question 6

Toilets

Answer 6

50ftsq per water closet

Question 7

urinals

Answer 7

substitute one for each water closet

Question 8

lavatories

Answer 8

1 per 15 people for offices and public building up to 60 people, 1 per 100 people for public assembly use

Question 9

elevator lobby space

Answer 9

6ft deed

Question 10

Main corridors

Answer 10

5-7ft

Question 11

exit corridors

Answer 11

4ft in, 44in min. by code

Question 12

Monumental stairs

Answer 12

5-8ft

Question 13

exit stairs

Answer 13

4ft, 44in min.

Question 14

What table’s are important when calculating efficiency

Answer 14

10.3 Space Requirements for Estimating Non-Assignable Areas (Ref.:Ballast. 10-15)

Question 15

Building efficiency formula

Answer 15

EFFICIENCY = NET AREA /GROSS AREA