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1.1

Plan and Space Design

28

1.1.1.

Plan Function Assemblage

1           Include basic program requirements, i.e. bathroom, kitchen, living room, bedroom, storage

2           Divide Public and Private within the unit

3           Well-designed circulation

4           Close proximity of Living Room, Dining Room and Kitchen

5           Set up threshold/transition space between public and private

6           Set up reading room in each unit

7

2

1.2

1

1.2

1

.6

1.1.2

Space Functionality

1           Reasonable assignment of Main Rooms

2           Master Bedroom > than 14 sm, and has master bathroom. Other bedrooms > 9sm

3           Living Room > 18sm, Continuous wall space > 3m long, short length of LR > 3.9 m

4           LR and Bedrooms have good views

5           Dining Room > 10sm, and has natural ventilation and lighting

6           Master Balcony depth > 1.5 m. Second balcony >1.2m.

7           Storage space > 2 cubic meters

7

2

1

2

.5

.5

.5

.5

1.1.3

Kitchens and Bathrooms

1           Kitchen > 6 sm

2           Single Bathroom Unit - Bathroom area > 4.5 sm. Two Bathroom Unit – Bathrooms > 7sm.

3           Kitchen should be close to entrance and has natural light and ventilation

4           Kitchen usable area length > 2.7 m and width > 1.8 m.

5           n/a

6           Apts with 3+ bedrooms should include 2 bathrooms, one for MB

7           n/a

8           Bathroom should be close to the bedrooms. If the design has several bathrooms, one is for public, one private

5

.8

.8

.5

.6

.6

.5

.7

.5

1.1.4

Area and Space Using Ratios

1           High-rise buildings > 72% used area coefficient. Mid-rise > 78% used area coefficient.

2           Length to Width Ratio < 2

3           Circulation Area < 5% of total unit area

4           Height > 2.5 m, Some special space can be 2.1

5           Kitchen > 2.2 m

6           Bathroom > 2.2 m

7           n/a

4.5

1.2

1

.6

.4

.4

.4

.4

1.1.5

level changes

1           Level change in apt < 20mm

2           Entrance width > 1m

3           Kitchen and Bathroom width > 0.8 m

4           Ramp slope angle < 1/10

1.5

.4

.4

.4

.3

1.1.6

Public Areas

1           n/a

2           width of stairs > 1.2 sm, step riser = 175 mm, stair tread = 260mm

3           n/a

4           Hall for first story for all units. for multi-stories, hall > 6sm. For high-rise, hall > 15 sm.

5           n/a

3

.5

.7

.7

.6

.5

1.2

Equipment setup

15

1.2.1

Decoration

n/a

3

 

1.2.2

for kitchens and bathrooms

n/a

3.5

 

1.2.3

heating and cooling

n/a

1

 

1.2.4

pipes and wires

n/a

3

 

1.2.5

electrical power, communication

n/a

1.5

 

1.2.6

water, electric, gas meters

n/a

1.5

 

1.2.7

connections

n/a

1.5

 

1.3

flexibility, transform-ability

12

1.3.1

construction system

1         open space > 6.6m

2         light and movable partitions

3         convenient organization of walls, columns, and beams

5

2

1.2

1.8

1.3.2

architectural mode

1         unit plan designs sizes satisfy mode cooperative principle

2         kitchen and bathroom use mode cooperative size

3         n/a

3

1.2

1

.8

1.3.3

changeable parts of equipments

1         Standard doors and windows

2         n/a

3         n/a

4

1.5

1.5

1

1.4

Insulation

15

1.4.1

Insulation

Insulation factor must follow the following requirements: Q = local energy saving design standards

For cold areas

  • wall – K 0.9Q (K = heat transfer coefficient)
  • roof - K 0.9Q
  • window – K 0.9Q
  • balcony and unit entrance door – K 0.9Q
  • floor – K 0.9Q
  • stair wall – K 0.9Q
  • room door – K 0.9Q

For seasonal areas – hot summer and cold winter

  • wall – K 1.5 W/m2K (K = heat transfer coefficient)
  • wall (heat indolent) - K ≥ 3.2
  • roof – K 1.0 W/m2K
  • roof (heat indolent) – K ≥ 3.2
  • window, balcony door – K 1.0 W/m2K
  • window shading

For mild areas (Shenzhen)

  • wall – K 2.2 W/m2K (K = heat transfer coefficient)
  • wall (heat indolent) - K ≥ 3.2
  • roof – K 1.5 W/m2K
  • roof (heat indolent) – K ≥ 3.2
  • window, balcony door – K 4.5 W/m2K
  • window shading

13

4.5

1

4

1

1

1

.5

4.5

1

2.5

1

3

1

4.5

1

2.5

1

3

1

1.4.2

Leakage

n/a

2

 

1.5

Indoor Noise Protection

14

1.5.1

noise protection for walls

1         party walls between units – protection > 45 db

2         interior unit wall – protection > 30 db

3         unit entrance door – protection > 30 db

4         wall with window – protection > 35 db

6

2

1.5

1

1.5

1.5.2

roof and floor slabs

1         floor protection from actions – i.e. hitting floor etc. < 70db

2         interior floor slab – protection > 45 db

4

2.5

1.5

1.5.3

natural noise

1         interior unit noise during daytime < 50 db

2         interior unit noise during nighttime < 40 db

2

1

1

1.5.4

equipment noise

1         noise from bathroom equipments < 55 db

2         noise from exhaust equipment < 60 db

3         noise from water pipes < 45 db

2

.7

.6

.7

1.6

Lighting

 

1.6.1

natural lighting

1         Window to floor area ratio > 1 / 7

2         Distance between buildings should satisfy the Sunshine Law.

3         At least one bedroom should get direct sunlight exposure. If the apt has 4+ bedrooms, then two bedrooms should have direct sun exposure.

4         Bedroom should have no obvious shading

3

1

.7

.7

.6

1.6.2

artificial lighting

n/a

1.5

1

.5

1.6.3

natural and artificial lighting for public areas

1         n/a

2         Window to floor area ratio > 1 / 7

3         n/a

1.5

.7

.5

.3

1.7

Ventilation

 

1.7.1

indoor ventilation

1         natural ventilation

2         mechanical ventilation in kitchens and bathrooms

2

1

1

1.7.2

exhaust

1         set up horizontal or vertical exhaust in kitchen

2         n/a

3         n/a

2.5

1.2

.8

.5

1.7.3

equipment

1         n/a

2         n/a

1.5

.5

1

1.8

Energy Savings

 

1.8.1

application of energy saving system

1         at least two new introduced technologies

2         energy saving windows

3         indoor adjustable temperature

2

.7

.7

.6

1.8.2

water

1         special toilets

2          

1

1

1.8.3

lighting

1 public lighting – using energy saving control systems

.5

.5

1.8.4

new resources

1 solar energy, ground heat pumps, wind energy

.5

.5

The above is a checklist to evaluate technical requirements specified by China’s National Standard for residential Class - used to evaluate designs for the National Award for Health and Comfort Residential Project.

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Last modified on December 12, 2000 by wawa@mit.edu.
 
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