WET AREAS’ DESIGN

BUILDING SERVICES

PREPARED BY: ASSOC. PROF. DR AMININATUZUHARIAH M ABDULLAH

WET AREAS IN BUILDINGKITCHENTOILETSBATHROOMSUTILITY AREAS

FACTORS THAT AFFECT DESIGNAnthropometrics – the measurement of human

sizes against equipment/appliances and spacesSanitary appliances (examples) - function of areas, sizes, relationship with

human, layout, construction technology.Location of the wet areas

FACTORS THAT AFFECT DESIGNMaterials/finishes

WaterproofDurable Appropriateness/Aesthetics

Ventilation and daylighting– window area at least 1/20 of floor area (UBBL – item 39 (4)

Service core – whether it’s needed or notLocation of water tank, sizes, support structureDisposal system- location of disposal pipes,

floor fall gradient, etc.

Anthropometrics

Sanitary/kitchen appliancesFunction of the space What to provide, Number of appliances to be provided sizes, Choice of materials Other Accessories, e.g. toilet tissue and

soap’s holders

The long muzzle design of this water tap is used for the convenient of user to wash plates and kitchen equipments. This tap can be found in solo or twin form.

Bib Tap is used to wash car and water the plants in front of the house.

Kitchen Sink and counter top

Material : ___________Sizes : 406 x 330 x 159

mmFunction : Advantages :

Basin Function: LocationMaterials

Basin in toilet is made by vitreous china in white colour.

Water closet is made by white vitreous china and water closet cistern which is located at all three toilets is made of PVC.

Shower in the bath roomThe shower is made from

plastic and wrapped by chromium. The shower head consists of 2 parts, that are 13mm diameter angle arm with 100mm length and massage shower.

Bib Tap is set at the wall with distance 1500 mm at the top of sanitary fitting. Direction of water trickle down is horizontally.

Floor trap is used to allow the waste water flow out from toilet.

The gradient of the floor should fall to the floor trap

Location of the wet areas

Wet areas need to be closely located on plan and also be aligned vertically (on section)

Ensure the orientation of the WCs not facing or backing the qiblat

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Ground Floor First Floor

Materials/finishes

Floor and wall finishesE.g. ceramic tiles, granite, stone etc.WaterproofDurable Non-slippery Easy to maintainSizes and colorsAppropriateness/aesthetics

Ventilation and daylightingwindow area at least 1/20 of floor area (UBBL –

item 39 (4)To dry out the area from humanityTo get rid of odorsTo provide day lighting

Service core For bigger toilet’s

design, sanitary appliances are designed back to back to minimize the piping, hence save cost.

Usually found in hotel and offices’ designs

Water tank’s design

Tank’s CapacitySizeMaterial- metal plateLocation and space

neededStructure to support

the tankIntegration with

building’s imageWater tank for fire

control

Toilet’s design- 1,2 n 3 fittings/compartmental

Toilet’s designUnderstandings of

the disposal systemFloor trapsGully trapsFloor gradient to fallDrop to toiletWindowsOverall sizes, etc.

Toilet’s designIntegration with

landscape Architects usually design

this element on purpose. In this case the wall is situated before the public toilets’ entrance to avoid direct visual to toilets.

This shall give more privacy to the usage as well as enhance the phenomena in leisure park.

Toilet’s designDisposal system- location of disposal pipes, floor

fall gradient, etc.See Working drawing of the toilet