卡尔加里市需要一个市中心的停车场，以腾出多块市中心的土地用于开发。了解到建筑物未来被淘汰的可能性，市政官员还希望有一个创造性的解决方案，以证明现在和将来的支出是合理的。
因此，市政府要求5468796建筑事务所与Kasian建筑室内设计和规划公司合作，设计一个510个停车位的停车场，可以很容易地转换成办公室、轻工业或住宅建筑。该项目地点--毗邻新卡尔加里图书馆、卡尔加里市政厅和贝尔工作室（国家音乐中心）--包括一个不可建造的地役权，用于建造地下轻轨隧道，该隧道从项目地点的中间穿过，代表市政府确定的可建造区域的20%损失。
The City of Calgary required a downtown parkade to free up multiple downtown lots for development. Understanding the likelihood of building’s future obsolescence, municipal officials also wanted a creative solution that would justify the expenditure now and in the future. And so, the city asked 5468796 Architecture in collaboration with Kasian Architecture Interior Design and Planning to design a 510-stall parkade that could be easily converted into an office, light industrial, or residential building. The project site – adjacent to the new Calgary Library, Calgary City Hall, and the Studio Bell, (the National Music Centre) – included an unbuildable easement for an underground light rail tunnel, cutting through the middle of the project site and representing what the city determined as a 20% loss in the buildable area.
设计团队的解决方案是建立一个椭圆螺旋形的建筑，以桥接地役权，从而重新获得大部分损失的土地价值。车辆从地面进入，直接穿过地役权。椭圆创造了一个大的、与街道同宽的内部庭院和12米的浅层楼板，随着时间的推移，日光和通风将从多个方向渗透到室内。楼板以1-2%的渐变坡度上升，以避免最终需要拆除的车辆坡道。天花板高度为4米，净跨度和普遍的承重能力有助于各种渐进式或全盘式的变化，并具有低成本的影响。
The design team’s solution is a building in the form of an elliptical helix, bridging the easement, thereby recapturing much of the lost land value. Vehicles enter at grade, directly over the easement. The ellipse creates a large, street-width interior courtyard and 12-meter shallow floor plates that in time will allow daylight and ventilation to pervade the interiors from multiple directions. The floor plates ascend on a 1-2% gradual slope to avoid the need for vehicular ramps that would eventually need to be removed. Ceiling heights of 4-meters, clear spans, and universal load-bearing capacity contribute to a variety of gradual or wholesale changes with low-cost ramifications.
车辆入口留有空隙，可以对地下隧道进行维护，两侧是行人和自行车入口以及篮球场等活动场所，激活了沿东南部第九大道的正面，并将发展中的东村社区的南部边缘框住。球形护柱、地板上的彩色混凝土图案和交通镜天花板确保中央庭院是一个活泼和充满活力的地方，具有独特和令人难忘的美感，并由额外的公共设施丰富，包括咖啡馆天井和户外展览空间。
The vehicular entrance, with clearances that will allow for maintenance of the underground tunnel, is flanked by pedestrian and bicycle entrances and activities such as a basketball court, activating the frontage along 9th Avenue SE and framing the southern edge of the developing East Village neighborhood. Spherical bollards, colored concrete patterns on the floor, and a traffic mirror ceiling ensure that the central courtyard is a lively and vibrant place with a distinctive and memorable aesthetic, enriched by additional public amenities including a café patio, and outdoor exhibition space.
该结构被包裹在一个独特的护罩中，在周边战略性地提高，以提供行人、自行车和车辆通道。护罩的成员持有细粒度的网状物，今天可以作为行人护栏，同时很容易和廉价地转换成住宅/商业套房的阳台，不需要额外的工作。
The structure is enveloped in a distinctive guard shroud, raised strategically around the perimeter to provide pedestrian, bicycle, and vehicular access. The members of the shroud hold a fine-grained mesh that acts as a pedestrian guardrail today, while easily and inexpensively accommodating conversion into residential/commercial suite balconies with no additional work required.
在设计过程中，客户与平台公司巩固了合作关系，平台公司是该市新兴的创新社区的创业中心。这是对适应性设计的第一次测试--要求将该计划转换为一个开放和灵活的办公空间，可以很容易地修改，供个人和大小团体使用，按小时、按天、按月或按年占用空间。设计团队建议平台占据建筑的前两层，使临街面充满活力，并创造了一个悬空的光框车辆坡道，穿过中央的空气空间，将车辆回路从结构内移除，提供一个意想不到的用户体验。如果不再需要车辆通道，这个坡道可以很容易地被拆除。
Halfway into the design process, the client solidified a partnership with Platform, an entrepreneurial hub for the city’s burgeoning innovation community. This was the first test of the adaptable design – requiring conversion of the plan into an open and flexible office space that can be easily modified for use by individuals and small and large groups, occupying the space on an hourly, daily, monthly, or yearly basis. The design team proposed that the Platform occupy the first two levels of the building to animate the street frontage and created a suspended light-framed vehicular ramp cutting through the central airspace, to remove the vehicular circuit from within the structure and offer an unexpected user experience. This ramp can be easily removed later if vehicular access is no longer needed.
在内部，他们拆除了二楼的部分区域，并创建了一个“音高舞台”，作为入口，两层之间的连接，以及鼓励有组织和即兴会议的空间联系。随后的六层包括 280,000 平方英尺的停车场，有光线充足的行人前行路线，以及四面八方的高架景观。清晰、简单和单向的循环以独特的寻路方式进行了解释——这也是建筑师作为建筑设计的延伸而创造的。
Inside, they removed portions of the second floor and created a “pitch stage” which acts as the entrance, the connection between the two levels, and the nexus of the space that encourages both organized and impromptu meetings. The succeeding six levels comprise 280,000 square feet of parking, with light-washed, pedestrian-forward routes, and elevated views in all directions. Clear, simple, and single-direction circulation is explained with distinctive wayfinding — also created by the architects as an extension of the building design.
在其下一个生命中，停车场可以部分或全部、逐渐或部分地转换为一种或多种用途。浅坡为 B 级或 C 级办公室或轻工业空间提供了可接受的公差范围内的“平坦”地板。难以察觉的浅螺旋形成了一个“无限”的地板，为未来提供了极大的灵活性。住宅改造可以使用表面顶部材料来实现。
In its next life, the parkade can be converted partially or in entirety, gradually or partially, and to one or more uses. The shallow slope provides a ‘flat’ floor within acceptable tolerances for class B or C office or light industrial space. The imperceptibly shallow spiral creates an 'infinite' floor plate, allowing for great flexibility in the future. Residential conversions can be achieved with a surface topping material.
建筑师：5468796 Architecture + Kasian Architecture Interior Design & Planning
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