Iconography. KAPSARC Mosque

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John Bates
6 years ago
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A unique and contemporary space, the design is forward looking, yet firmly rooted in

1 Iconography As node and center of the KAPSARC residential community, the mosque creates an iconic and contemplative space of worship, reflection and repose. A unique and contemporary space, the design is forward looking, yet firmly rooted in traditional, local and cultural precedents. KAPSARC Mosque Riyadh, Saudi Arabia mosque entry forecourt

2 KAPSARC master plan N 2 mosque site plan N

15 11 15 5 N mezzanine level plan 3 13 14 7 6 1 2 6 4 3 9 7 7

mezzanine prayer level 12 forecourt 13 rear court 14 support

3 N mezzanine level plan main prayer hall 2 foyer 3 women's shoe storage 4 men's shoe storage 5 minaret 6 glass bridge 7 reflecting pool 8 men's ablution 9 women's ablution 10 imam's office 11 mezzanine prayer level 12 forecourt 13 rear court 14 support 15 roof early concept model N ground level plan early concept sketch

4 4 early concept rendering

5 model photograph 5 exterior skin rendering east elevation front court rendering

6 early concept I interior rendering 6 east-west section final concept I interior rendering

7 7 east entry forecourt

8 8 view from community center minaret with view south to Princess Nourah University

9 9 west elevation rear court

10 10 main entryway

Materiality The mosque s facade is a careful

exoskeleton] skin type c [structure] 11 skin

11 Materiality The mosque s facade is a careful juxtaposition of architectural motifs and elements, namely: Solid versus Void Monolithic versus Delicacy skin type d [exterior exoskeleton] skin type c [structure] 11 skin type b [sound attenuation] facade detail skin type a [interior surface]

12 12 exterior views forecourt exterior views main entry exterior views minaret

1 2 3 4 5 6 7 13 8 1 sloped glazing 2 monorail 3 cast-in-place concrete 4 stone cladding 5 cassette glazing system 6

13 sloped glazing 2 monorail 3 cast-in-place concrete 4 stone cladding 5 cassette glazing system 6 fly-by structure 7 mashrabiya screen 8 interstitial space 9 facade lighting 10 reflecting pool 9 10 exterior facade detail

14 14 exterior aluminum and steel cassette framing system for curtain wall exterior forecourts protected with limestone enclosure walls

15 15 limestone site walls study model photograph

16 16 interior main prayer hall

17 17 interior view from mezzanine level interior corner detail

18 18 interior ceiling panels of coated aluminum interior mashrabiya panels of glass-reinforced gypsum interior miyrab wall and minbar

19 interior entry hall 19 interior men s ablution area interior bronze screen panels and mosaic tiles on mihrab wall

20 Transcendence The local and cultural precedent [the mashrabiya] along with indigenous Arabic patterns are reinterpreted as screening and shading devices to create transcendence in architecture. 20 forecourt at dusk

21 21 mosque community garden

22 22 reflecting pool entry

23 23 evening prayer

24 I C O N O G R A P H Y M AT E R I A L I T Y T R A N S C E N D E N C E S U S TA I N A B I L I T Y 24 landscape and public amenities symbolically crossing from the profane to the sacred

25 25 interior main prayer hall

26 26 mosque as lantern in the landscape

Sustainability The mosque contains a series of moves to integrate sustainable design into the building. Two of these strategies are integral into the building s form.

The mass walls provide energy efficiency through mass rather than insulation value. The mass allows them to store energy during the day and release it through the night.

These walls have minimal openings; they are punctuated with small openings to bring patterns of natural light into the mosque but allow little heat gain.

27 Sustainability The mosque contains a series of moves to integrate sustainable design into the building. Two of these strategies are integral into the building s form. 27 First, the building was designed with a 5-sided mass wall of cast-in-place concrete that is 500mm thick. The mass walls provide energy efficiency through mass rather than insulation value. The mass allows them to store energy during the day and release it through the night. In the right climate, such as Saudi Arabia, they can be a better choice than walls that are lightly framed and heavily insulated. These walls have minimal openings; they are punctuated with small openings to bring patterns of natural light into the mosque but allow little heat gain. Second, the building was designed with an interstitial space between the mass wall and the curtain wall. This space is used to reject heat from the mechanical units, located in the basement. The units exhaust air into the bottom of this space, which is vented at the back of the upper parapet, thereby creating a ventilated double skin for the project. mosque in the landscape

28 WATER 28 Water is an extremely precious resource in Saudi Arabia. KAPSARC is designed to retain water in the natural cycle. 42% Percent reduction of regulated potable water performance flush and flow fixtures. Water is drawn from wells on site and treated to potable standards, moving through the community via high Wastewater is treated in the Sewage Treatment Plant shared with the adjacent university. In Phase 2 wastewater will be treated at KAPSARC 100% Waste water reused on site campus in a constructed wetland. 100% of wastewater from the KAPSARC campus is treated to tertiary standards and returned for non-potable uses, such as irrigation, cleaning and makeup.

29 ENERGY Solar energy is abundant in Saudi Arabia. But before relying on renewable energy, it s critical to reduce demand. The mosque is designed to be asenergy efficient as possible, employing high performance thermal envelopes, mechanical systems, lighting and equipment. Daylight and heat gain control are an integral part of the building architecture, filtering solar radiation as well as providing privacy with louvers and the more traditional mashrabiya. Strategies such as sensors and controls, energy recovery ventilation and natural daylighting augment efficient envelopes and systems. Energy performance was also emphasized in the construction process. Extensive commissioning for the mosque ensures performance of envelope and energy systems. Solar energy is harvested through rooftop solar thermal hot water panels 55% Regional Energy Reduction and a 5 MW solar farm at the west end of the campus. The solar farm is built with room for expansion as the KAPSARC community grows, positioned to be Net Zero Energy at full build out. Current solar energy meets 35% of demand, demonstrating Saudi Arabia s movement from fossil fuels towards its alternative energy economy. 29

30 MATERIALS Construction materials for KAPSARC were selected for their local availability, constructability and reduced waste. The mosque is structured with concrete frame and concrete wall infill, readily available using local aggregate, sand and fly ash. The concrete construction coupled with rigid foam insulation provides a high performance thermal envelope, reducing external energy loads. Finish materials were sourced locally wherever possible (21.5% by cost). Materials were selected for durability, recycled content, regional sourcing, 21% of finish materials were locally sourced indoor air quality impacts, performance, and beauty. Building envelopes were commissioned to eliminate opportunities for infiltration and exfiltration, thermal bridging and moisture control issues. 30 Building materials were selected to be low- and no-emitting, including paints, coatings, adhesives, sealants, flooring, composite wood, ceiling and wall materials. Indoor air quality was maintained during construction through vigilant housekeeping, construction best practices and advanced filtration. IAQ testing prior to occupancy confirmed low levels of VOC emissions, CO2, formaldehyde and particulates.

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