© Bob Gundu

C.Bob Gundu

架构师提供的文本描述。在多伦多保存完好的峡谷和山谷网络中，偶尔会发现历史上的铁路线被闲置在陡峭、树木茂密的山坡上，位于住宅结构的上层高原和下面的河谷栖息地之间。一条一度以工业为重点的20世纪早期城市的铁路支线，已经发展成为徒步旅行者和邻居的共同通道，因为它将当地的峡谷通道系统连接到新开发的社区地区，比如恢复活力的唐谷砖厂每周一次的农贸市场。上坡是一处罕见的可到达的地段，坐落在峡谷的西边，比巴拉线的铁轨高出60英尺，是一处可以与城市基础设施连接起来的单一家庭住宅的场所。

Text description provided by the architects. Within Toronto’s network of well-preserved ravines and valleys, historic rail lines are occasionally found nestled unused on steep, wooded slopes between the upper plateau of residential fabric and the river valley habitats down below. A de-commissioned rail spur – once used for an industry-focused early 20th-century city – has evolved into a common passage for hikers and neighbours as it connects the local ravine pathway system to newly developed community areas such as the weekly farmers market at the revitalized Don Valley Brickworks. Upslope, a rare accessible lot lining the western edge of the ravine, some 60 feet above the Bala Line rail path, is the site for a single-family dwelling that engages this alternative connection to the city infrastructure.

 © Bob Gundu

C.Bob Gundu

这个五口之家把一系列由14英尺半楼梯连接在一起的梯田空间整合在一起，与远处的层叠地形不谋而合。使用一个单一运行楼梯，以抵消主要着陆点的主要空间，该项目框架下的山谷视图。表面上的“压力”的极限距离最小无保护的开口，邻近的高度，和物理等级保持(稳定的土壤结构和完整性)，一起提供了一个机会，一个整体的阶梯质量嵌套在一个接地浇筑的混凝土结构。

This home for a family of five integrates a series of terraced spaces strung together by a 14’ flight-and-a-half stair, coinciding with the cascading topography beyond. Using a single-run stair to offset primary spaces at key landing points, the project frames views of the valley below. Ostensible ‘pressures’ of limiting-distance minimum unprotected openings, neighbouring heights, and physical grade preservation (for stable soil structure and integrity), together offered an opportunity for a monolithic stepped mass nesting atop a grounded poured-in-place concrete structure. 

这个项目冲向了峡谷，留下了一系列充满光线的上部空间，捕捉到了新鲜山谷空气的自然光和热调节效应-最显著的形式是正面雕刻和两端有一个宽大的双悬臂开放角落。作为多伦多一种被忽视的城市环境的典型姿态，这座房屋在建筑上寻求将峡谷作为一个有价值的、新的公共领域。

The project erodes toward the ravine, leaving a light-filled series of upper spaces capturing any natural light and thermally-moderating effects of fresh valley air – most notably in the form of a carved front facade and a generous double-cantilever open corner at opposite ends. As a prototypical gesture to an otherwise neglected urban condition in Toronto, this house architecturally seeks to reclaim the ravine as a worthy, new public realm.

 © Bob Gundu

C.Bob Gundu

Architects Williamson Chong Architects

Location Toronto, Canada

Category Houses

Design Team Donald Chong, Chris Routley, Shane Williamson, Betsy Williamson

Area 2400.0 ft2

Project Year 2016

Photographs Bob Gundu