Building Enclosure in Hong Kong

4. Public Toilet at Ngong Ping

Plate 4.1 View of the public toilet showin g it s rural setting. PUBLIC TOILET AT NGONG PING Architectural Firm: P & T Architects & Engineers Ltd. GENERAL This i s a smal l projec t usin g simpl e environmenta l strategies t o enclos e th e building , allowin g natura l lighting and cross ventilation. The two blocks of public toilet demonstrate simplicity of the design and illustrate the possibilities for environmenta l control . LOCATION This is a rural sit e next t o th e P o Lin Monastery an d the Buddh a Statu e o n Lanta u Islan d o n Ngon g Pin g Road. I n this location , vernacula r principle s ar e use d to derive the buildin g enclosur e a s well as to monito r the interior environment . an opening at high level allowing diffused lightin g an d natural cros s ventilation . Ai r intak e a t lo w leve l i s possible throug h grille d opening s i n the cubicle s an d on the external wall. Such devices create a simple stack effect fo r ai r movement . For construction materials , steel I-beams ar e used to support the elevated roof instead of traditional timber brackets. But clay tiles form th e roof finis h t o provid e the rural character. The external wal l i s finished wit h simple spray paint o n rendering. Reinforce d concret e columns are chiselled fairface concrete . Slate tiles for m the finish for the dado. A natural look is achieved using simple materials. COMMENTS ENCLOSURE This is a one-storey building ; the design of the roof i s therefore a majo r consideratio n fo r th e buildin g enclosure. T o allo w ligh t penetratio n an d natura l ventilation, an elevated pitched roof is used. This creates A small project can exploit grand concepts. This simple building illustrate s that th e concept o f environmenta l design can be incorporated int o the building enclosure. The buildin g i s integrated wit h the natural proces s t o create harmony betwee n humankin d an d nature . 35 Building Enclosur e i n Hong Kon g ^**ABMJ£.w M. V >VAV W 1 - i\ Plate 4.2 Exterior view of the roof and wall construction. 36 Public Toilet a t Ngon g Pin g Plate 4.3 A view fro m Ngon g Pin g Road illustrating it s vernacular character . Plate 4.4 Interior view of the toilet — a pleasant and neat appearance i s created. 37 Building Enclosur e i n Hon g Kon g Plate 4.5 Exterior view showing it s vernacular character . 38 Public Toilet a t Ngon g Pin g " 1 r _ stack ventilation cross ventilation ventilation concept T ^ " diffused light lighting concept Figure 4.1 Diagrams illustratin g environmenta l strategies — natura l lightin g an d ventilation ar e incorporate d throug h a single design method . Architect: P & T Architects & Engineers Ltd. Project Location : Ngong Pin g Road, Lantau Islan d Building Enclosure : Steel structure, chiselled finished fairface concrete for the columns, slate and spray paint for wall s Completion: 1995 39 Building Enclosur e i n Hon g Kon g Figure 4.2 Layout pla n showin g th e toile t block s staggered to achieve good ventilation. 40 Public Toile t a t Ngon g Pin g Figure 4.3 Isometric o f wall section showing simpl e construction for environmental concern . 41 Building Enclosur e i n Hon g Kon g 1. powde r coated alum, fins 2. stucc o finish in-fill panel 3. fairfac e concrete chiselled finish 4. S.S . grille gate 5. G.M.S . roof bracket system 6. roofin g tiles 7. powde r coated alum, lattice 8. 1 2 mm thick tempered stained glass panel 9. 1 2 mm thick tinted tempered glass panel 10. 12 mm thick tempered glass panel with etched pattern laid in S.S. frame 11. G.M.S. bracket system painted 12. 100 mm S.Q. C.I. rainwater spout 13. fairface concrete chiselled finish 14. powder coated alum, lattice 15. 25 mm...