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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
-
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