賈里德·埃德加·麥克奈特 惠子·鶴田·克雷默

1 2005年伯利恒鋼鐵廠的鳥瞰照片，工廠停止運(yùn)作10年后Aerial image of the Bethlehem Steel Plant in 2005, 10 years after the plant ceased operation

2 2015年伯利恒鋼鐵廠鳥瞰照片，工廠停止運(yùn)作20年后Aerial image of the Bethlehem Steel Plant in 2015, 20 years after the plant ceased operation

3 SteelStacks藝術(shù)文化園區(qū)東1號大街街景SteelStacks Arts + Cultural Campus at East 1st Street Streetscape

伯利恒鋼鐵公司是20世紀(jì)的一個(gè)工業(yè)集團(tuán)，在世界范圍內(nèi)運(yùn)作工業(yè)設(shè)施。它于1857年在賓夕法尼亞州里海谷（Lehigh Valley）創(chuàng)立，逐漸占據(jù)了里海河沿線1 800英畝（約728hm2）的場地。1995年，伯利恒鋼鐵公司停止了煉鋼業(yè)務(wù)，關(guān)閉了廠房，結(jié)束了當(dāng)?shù)赜凭玫墓I(yè)歷史，以及成千上萬藍(lán)領(lǐng)居民與工廠密不可分的生活模式。

10年間，伯利恒鋼鐵公司的舊址作為伯利恒城市的地標(biāo)，卻被遺棄、孤立，難以接近。經(jīng)過自然的洗禮，鋼鐵廠出入口被遮擋住，但是在視線上人們還能看到它。場地僅僅是一堆巨大的工業(yè)廢墟，成為一片不受歡迎的景觀。為了重新激活場地未來使用的可能性，伯利恒城市再生機(jī)構(gòu)于2000年建立了伯利恒工程，這是一個(gè)覆蓋126英畝（約51hm2）區(qū)域、為期20年的財(cái)稅增量計(jì)劃（TIF），監(jiān)督這座新的工業(yè)公園及其東部的聯(lián)運(yùn)設(shè)施建設(shè)。作為美國現(xiàn)存為數(shù)不多的廢棄鋼鐵廠之一，這些里海谷（Lehigh Valley）的復(fù)興工作令人矚目。

如今，9.5英畝（約3.8hm2）的SteelStacks藝術(shù)文化園區(qū)占據(jù)了原來126英畝（約51hm2）場地的西側(cè)，位于伯利恒南部建成居住區(qū)與伯利恒鋼鐵高爐之間。園區(qū)被建筑物與工業(yè)設(shè)施包圍，記述著這個(gè)城市的制造業(yè)在19—20世紀(jì)的蓬勃發(fā)展。WRT事務(wù)所為園區(qū)提供了總體規(guī)劃以及景觀設(shè)計(jì)方案，同時(shí)建造了SteelStacks藝術(shù)文化園區(qū)的核心——21世紀(jì)公園（21st Century Park）、萊維特亭（Levitt Pavilion）與露天劇場。

SteelStacks藝術(shù)文化園區(qū)的規(guī)劃與中央核心開放空間的設(shè)計(jì)希望將這個(gè)被廢棄、遺忘的前伯利恒鋼鐵廠轉(zhuǎn)變?yōu)橐粋€(gè)可達(dá)的、宜人的公共空間，并且能夠反映曾經(jīng)在這里工作的人以及煉鋼機(jī)器的工業(yè)故事。這個(gè)項(xiàng)目努力創(chuàng)造一種建筑與景觀互相融合的空間體驗(yàn)。

由于現(xiàn)狀土壤在通常情況下不能被擾動(dòng)或穿透，這個(gè)場地面臨許多環(huán)境上的挑戰(zhàn)。大量的現(xiàn)存房屋地基被移走，替換掉現(xiàn)狀的不透水層，使得雨水能夠更多地下滲，從而減少地表徑流。將植物引入從前毫無生機(jī)的場地，以增加區(qū)域內(nèi)的生物多樣性，同時(shí)通過低強(qiáng)度的照明減少能量消耗。在社會層面，園區(qū)核心與當(dāng)?shù)厣缛汉献?，為未來的使用提供了一個(gè)“城鎮(zhèn)綠地”，為伯利恒心臟區(qū)域帶來了新的城市生活，以支持區(qū)域的積極發(fā)展。這個(gè)項(xiàng)目的成功有助于園區(qū)的可持續(xù)發(fā)展，激勵(lì)園區(qū)周邊廢棄建筑及場地中私人企業(yè)的發(fā)展，同時(shí)也鼓勵(lì)支持周邊現(xiàn)有經(jīng)濟(jì)的發(fā)展。

設(shè)計(jì)為當(dāng)?shù)鼐用衽c游客普及了一種共享的理念。對于景觀來說，整個(gè)園區(qū)具有統(tǒng)一性非常重要，因此設(shè)計(jì)將被廢棄的鋼鐵爐變?yōu)橐粋€(gè)吸引人的雕塑，以融合新舊建筑元素。開放空間的景觀元素呼應(yīng)人的需求，使人們能夠體驗(yàn)尺度適宜的設(shè)計(jì)，相較于壯觀的背景以及巨大的煉鋼爐而言，這對于他們來說是熟悉的。無論是安靜、私密的個(gè)人空間還是舉辦大型公共活動(dòng)的萊維特亭與露天劇場，一系列公共空間通過不斷變化的、靈活的、多尺度組合方式支持人行流線，這些空間的通過各式材料得到提升。一系列大尺度的把控與小尺度的細(xì)節(jié)使得園區(qū)空間設(shè)計(jì)更加完整，以豐富人們對于場地的理解與體驗(yàn)。材料和元素層揭示了這個(gè)場地豐富的歷史與嶄新的建筑空間。新建成的景觀是硬質(zhì)的，但是越靠近鋼鐵廠就生長得越自然，讓游客在人工構(gòu)筑物與自然之間徘徊。

園區(qū)成為了伯利恒游客中心的前院，并促進(jìn)了與之合作的非營利組織（PBS39，里海谷的公共演播廳；以及ArtsQuest，一家全年提供藝術(shù)教育與演出的機(jī)構(gòu)）在公共領(lǐng)域的發(fā)展。這些組織如今與園區(qū)新成立的非營利組織達(dá)成合作，包括萊維特亭鋼鐵及合伙人（Friends of Levitt Pavilion SteelStacks）、賓州園藝師（Penn State Master Gardeners）以及發(fā)現(xiàn)里海谷（Discover Lehigh Valley），共同為園區(qū)提供景觀維護(hù)、基金支持及游客服務(wù)。在環(huán)境影響方面，共贏式的發(fā)展模式使這一重新開發(fā)的項(xiàng)目兼具了創(chuàng)新性和可持續(xù)性。

4 胡弗梅森棧橋入口樓梯細(xì)部Hoover-Mason Trestle entry staircase detail

骨架

胡弗梅森棧橋（Hoover-Maso Trestle）曾是伯利恒鋼鐵廠的主要結(jié)構(gòu)，現(xiàn)在成為了SteelStacks藝術(shù)文化園區(qū)的“骨架”。

隨著工廠在19世紀(jì)后期擴(kuò)張成為工業(yè)巨頭，高爐周邊的建筑擁擠不堪，在場地中放置提高產(chǎn)量的操作設(shè)施幾乎是不可能的。因此，胡弗梅森棧橋是為了滿足從距離高爐1km外的新建操作設(shè)施運(yùn)輸大量礦石的需求而建成的。由其工程設(shè)計(jì)公司命名的胡弗梅森棧橋，在長達(dá)一個(gè)世紀(jì)的時(shí)間里承載著電動(dòng)軌道車每天向各個(gè)高爐運(yùn)輸近90t鐵礦石。高架鐵路線于1907年建成，位于項(xiàng)目的東面，將礦區(qū)與工廠核心的高爐連接起來。棧橋最初于1905年由查理斯·施瓦布委托建造，從1907年建造完成開始直到1995年伯利恒鋼鐵廠終止運(yùn)作，1997年工廠被關(guān)閉，胡弗梅森棧橋一直高效而持續(xù)地運(yùn)作，現(xiàn)在它仍然安靜卻偉岸地佇立著，提醒著人們這里曾經(jīng)恢弘的工業(yè)盛況。

因需要將未經(jīng)處理的材料運(yùn)輸至高爐制造鋼鐵，棧橋便承載了所有復(fù)雜部件的重量。這種建筑構(gòu)造與工業(yè)構(gòu)件之間精心設(shè)計(jì)的相互作用成為高架胡弗梅森棧橋再設(shè)計(jì)的理念，即HMT高架的步行道，緩解了在地面上體驗(yàn)整個(gè)工廠時(shí)的巨大尺度。作為SteelStacks藝術(shù)文化園區(qū)成功地再利用的下一階段，HMT新步行空間一期重新設(shè)計(jì)的棧橋于2015年6月開放，500m長的高架步道滿足人流通行、歷史演繹以及多種娛樂用途。沿著與運(yùn)輸車相同的軌跡行走，HMT高架步道向人們描繪了SteelStacks藝術(shù)文化園區(qū)變換的景觀。

行走在棧橋上仿佛在行走在歷史中

HMT高架步道與眾不同的一點(diǎn)是為觀察鋼鐵廠和整個(gè)園區(qū)景觀提供了一個(gè)嶄新的角度，讓游客在一個(gè)新的高度接近整個(gè)鋼鐵廠。

在HMT的主入口，通過樓梯及電梯將人們帶至11m的高空，到達(dá)胡弗梅森棧橋軌道上方1～2m的平臺。在這里高爐一覽無余，礦車與機(jī)器都在視平線上，軌道下的大型箱體為存放原材料的熔爐。從地面到棧橋的地形以及坡度變化可以使來到這里的人們切身感受到工程的復(fù)雜性，無論在過去還是現(xiàn)在。

為了完整地保護(hù)最原始的HMT棧橋，設(shè)計(jì)的結(jié)構(gòu)輕輕地依附于現(xiàn)存結(jié)構(gòu)之上?；谠鹊蔫F路軌道，所有新的面層以及種植地都依附在全新的鋼結(jié)構(gòu)之上。新的鋼結(jié)構(gòu)采用耐候鋼材料，與現(xiàn)存的銹跡斑駁的煉鋼爐材質(zhì)相呼應(yīng)，融為一體，同時(shí)使新的步道浮在原有的結(jié)構(gòu)上，成為一個(gè)清晰可辨且充滿活力的嶄新實(shí)體。設(shè)計(jì)在視覺上將新舊并置，完成了一次工業(yè)考古的對話。

5 胡弗梅森棧橋入口處大門Hoover-Mason Trestle entry gate

6 位于現(xiàn)存軌道上方胡弗梅森棧橋架空步道的細(xì)部Hoover-Mason Trestle elevated pedestrian walkway detail over existing rail tracks

7 俯瞰胡弗梅森棧橋及出口樓梯Hoover-Mason Trestle overlook and egress staircase

設(shè)計(jì)包括3種結(jié)構(gòu)類型，三者一起營造了完整的體驗(yàn)，通過流線加強(qiáng)游人對場地的理解。3種不同的組成類型包括：步行道、混凝土平臺與種植箱。尊重HMT頂部原始的軌道路線，金屬格柵人行道平行于現(xiàn)存軌道，讓人們可以低頭看到下方的箱子。這些格柵人行道被有尖角的混凝土平臺和引導(dǎo)視線的集散空間打斷，將視線引向歷史性的、與環(huán)境相關(guān)的重要元素。在格柵人行道令人們注意到下方的細(xì)節(jié)與結(jié)構(gòu)的同時(shí)，混凝土平臺讓人們能夠看到外面大尺度的景物。最后，混凝土種植箱緩沖或強(qiáng)調(diào)了這些獨(dú)特的公共空間。箱內(nèi)種植本地與外來物種，可用來引導(dǎo)視線，營造季節(jié)景觀。

在沿著HMT行進(jìn)的每一處，人們的注意力都被引向鐵軌的上下及外圍。除了新構(gòu)筑物的重要性之外，新部件在軌道上方的垂直高度上有所不同，這是對場地地形的進(jìn)一步設(shè)計(jì)。所有新元素都坐落在軌道上，為考察下方構(gòu)筑物創(chuàng)造了機(jī)會。以人的尺度感受這塊場地，通過對現(xiàn)存建筑物的輕微干預(yù)，尊重場地的歷史價(jià)值，同時(shí)提供獨(dú)特而舒適的人行體驗(yàn)。這種體驗(yàn)通過自導(dǎo)式旅程得以加強(qiáng)，包括說明標(biāo)識以及交互式數(shù)字應(yīng)用，任何移動(dòng)設(shè)備均可訪問，提供音頻導(dǎo)覽、歷史講述以及完整的歷史圖像和解釋性數(shù)據(jù)。步行道的作用是連接和激活該地區(qū)，它為園區(qū)增添了歷史意義以及娛樂價(jià)值。最為重要的是，項(xiàng)目為伯利恒塑造了社區(qū)并創(chuàng)造了新的經(jīng)濟(jì)引擎。

設(shè)計(jì)通過重新建立場地歷史與SteelStacks藝術(shù)文化園區(qū)之間的文化聯(lián)系，出現(xiàn)了一個(gè)充滿活力的小型后工業(yè)城市的新景觀類型，并將繼續(xù)為舊工廠鎮(zhèn)的大范圍經(jīng)濟(jì)復(fù)蘇做出貢獻(xiàn)。該園區(qū)反映了當(dāng)?shù)貧v史遺產(chǎn)和場地真實(shí)性，是一次尊重場地的復(fù)興，也是經(jīng)濟(jì)復(fù)蘇和找回社會價(jià)值的典范。這個(gè)場地的精神存在于前工業(yè)遺址的砂土中，正在被居住在這里的社會群體重新激活。規(guī)模巨大的舊機(jī)器與輕盈、簡潔的新結(jié)構(gòu)和新設(shè)計(jì)相呼應(yīng)，使雄偉的標(biāo)志性高爐為新的市民空間提供了感性和具有紀(jì)念意義的背景。

（編輯/王一蘭）

項(xiàng)目設(shè)計(jì)：WRT建筑與景觀事務(wù)所

項(xiàng)目位置：伯利恒，賓夕法尼亞州

項(xiàng)目尺度：長約500m

設(shè)計(jì)時(shí)間：2012年8月—2015年5月

完成時(shí)間：2015年6月

委托人：伯利恒城市再生局，賓夕法尼亞州

項(xiàng)目團(tuán)隊(duì)：

首席顧問，建筑師與景觀設(shè)計(jì)師：WRT有限責(zé)任公司

建筑：博伊爾建筑公司

制造與安裝：勒范合作公司

結(jié)構(gòu)顧問：辛普森·岡伯茨、黑格爾、麥瑟咨詢公司

土木工程顧問：HDR工程公司

MEP顧問：里海谷工程公司

照明顧問：L’Observatoire

歷史顧問：Local Projects、Bluecadet

園藝顧問：帕特里克·卡麗娜

圖片來源：圖1引自谷歌地球；圖2、13來自WRT，Christenson攝；圖3～12、14來自WRT，Halkin Mason攝

翻譯：陳雨茜

校對：劉祎緋

The Bethlehem Steel Corporation was a 20th century industrial powerhouse that operated facilities around the globe. It was founded in Pennsylvania’s Lehigh Valley in 1857, eventually occupying 1,800 acres along the Lehigh River. In 1995, the Bethlehem Steel Corporation stopped its steel-making operations in Bethlehem, closed the plant, and brought an end to a long history that shaped the livelihoods, family life, and blue-collar culture of thousands of Lehigh Valley residents.

For ten years, the Bethlehem Steel site sat abandoned, isolated and inaccessible, as a landmark in the City of Bethlehem, Pennsylvania. Overcome by nature, and obscured from access, but not from view, the site matured as an unwelcoming landscape, a ruin of an industrial giant. In an effort to revitalize the site for future uses, the Bethlehem Redevelopment Authority established Bethlehem Works, a 126-acre 20-year tax incremental finance(TIF) district in 2000, overseeing the development of new industrial parks and intermodal transportation facilities on large sites at the eastern end of the former plant. These revitalization efforts in the Lehigh Valley put a spotlight on the site, which stood out as one of the few remaining abandoned steel plants in the United States.

Today, the 9.5 acre SteelStacks Arts + Cultural Campus occupies the western end of the 126-acre site, nestled between Bethlehem’s well-established South Side neighborhood, and the Bethlehem Steel blast furnaces. The campus is surrounded by buildings and industrial structures that chronicle the city’s manufacturing power during the nineteenth and twentieth centuries. WRT provided master planning and landscape architecture design and implementation for the core of the SteelStacks Arts + Cultural Campus, 21st Century Park, and Levitt Pavilion and amphitheater.

In an effort to transform this abandoned site into a public space and community amenity, the site planning and open space design of the central core of the SteelStacks Arts + Cultural Campus aimed to convert the site from a leftover remnant, and forgotten subscript of the former Bethlehem Steel plant, into an accessible site that would reflect the history of the place, the people who worked there,and the industrial narrative of this steel producing machine. The project strives to create spatial experiences where there are no lines between Architecture and Landscape Architecture.

10 胡弗梅森棧橋入口樓梯在夜晚作為SteelStacks藝術(shù)文化園區(qū)的大門Hoover-Mason Trestle entry staircase as a gateway to SteelStacks Arts + Cultural Campus at night

The site offered many environmental challenges, due to the presence of soils that could not be disturbed or penetrated, except in isolated cases. Large areas of existing building foundations were removed, exchanging impervious cover for pervious and minimizing the generation of stormwater runoff. Plantings were brought to the site where none existed beforehand, increasing the site’s biomass, and a low level of illumination was accepted as a way to minimize energy consumption.Socially, the campus core has engaged the local community, offering a “town green” for future uses that will bring new urban life to the heart of Bethlehem in support of regional development initiatives. The project’s success is contributing to the sustainability of the campus’s tenants, spurring private development in abandoned buildings and sites adjacent to the campus, while also bolstering existing businesses in the surrounding neighborhood.

The design both educates and creates a sense of community for both local inhabitants and visitors. It was fundamentally important for the landscape architecture to unify the campus, framing the abandoned blast furnace structures as fantastic new sculptures that unite old and new architectural elements. The open space elements of the landscape respond to one’s presence in the foreground, allowing individuals to experience a scale of design elements that are familiar to them against the spectacular backdrop and physical scale of the furnaces.

The sequencing of public spaces supports a pedestrian circulation through an ever-changing and flexible composition of site programs at multiple scales, from quiet, private and reflective individual moments to large scale public events at the Levitt Pavilion and amphitheater. These moments are enhanced by a palette of materials that fuse the campus through a series of large-scale modulations,and small-scale details, enriching one’s understanding and experience of the site. The materials and elements found here were layered to uncover the site’s rich history and new palette of buildings and spaces. The landscape is hardest against the new built forms, but grows steadily softer as it approaches the SteelStacks, allowing visitors to circulate at the threshold between built and natural forms.

The campus serves as a forecourt for the Bethlehem Visitor Center, and has enabled its nonprofit partners (PBS39, the Lehigh Valley’s public television studio; and ArtsQuest - an institution providing year-round art education and performances) to expand their public programs,strengthening these important organizations. They now work with newly established campus nonprofits(including Friends of Levitt Pavilion SteelStacks, and Penn State Master Gardeners and Discover Lehigh Valley) to provide landscape maintenance, funding,and support services to visitors. Their combined success, along with an ongoing commitment from the city and the Redevelopment Authority of Bethlehem, ensures that this redevelopment project is not only innovative but also sustainable in terms of its environmental impact.

11 夜晚的胡弗梅森棧橋入口大門Hoover-Mason Trestle entry gate at night

The Backbone

The Hoover-Mason Trestle was the backbone of the Bethlehem Steel Plant, and now serves as the backbone for the SteelStacks Arts + Cultural Campus.

As the plant expanded into an industrial giant in the late 1800s, the over-crowding of buildings around the blast furnaces made it impossible to locate handling facilities for increased production on the site. Thus, the Hoover-Mason Trestle was developed to move carloads of ore from a new handling facility a kilometer from the colossal blast furnaces. Named for the engineering firm that designed it, the Hoover-Mason Trestle allowed electrically powered rail cars to deliver 90 tons of iron ore daily to each of the massive blast furnaces for almost a century. Completed in 1907, the elevated rail line connected the ore yards, once located directly east of the project, to the blast furnaces at the heart of the steel plant. The Trestle was originally commissioned in 1905 by Charles Schwab, and from its completion in 1907 until the Bethlehem Steel plant ceased operation in 1995, and eventually closed its doors in 1997, the dual gauge Hoover-Mason Trestle functioned effectively and consistently, and still stands quietly, yet prominently as a reminder of its industrial magnificence.

Transporting the raw materials used to produce steel to the blast furnaces, the Trestle carried the weight of an intricate assembly of parts. This elaborate process of interactions between tectonic and industrial parts served as the concept for the redesign of the Hoover-Mason Trestle as the HMT, an elevated pedestrian promenade, mitigating the dramatic scale through the introduction of a topographic hierarchy of experiences. As the next phase of the SteelStacks Arts + Cultural Campus adaptive reuse success, Phase 1 of the repurposed HMT opened in June 2015 as a 500 meter long elevated pedestrianoriented promenade that supports circulation,historic interpretation and passive recreation and entertainment uses. The HMT represents the changing landscape of the SteelStacks Arts + Cultural Campus through a study in placemaking that allows people to circulate along the same path that the rail cars once did.

12 SteelStacks藝術(shù)文化園區(qū)東面鳥瞰胡弗梅森棧橋及萊維特亭夜景SteelStacks Arts + Cultural Campus aerial at night looking east over Hoover-Mason Trestle and Levitt Pavilion

To take a walk on the Trestle is to take a walk through history

The unique vantage point from the HMT provides an entirely new perspective of both the SteelStacks and the entire campus landscape,allowing visitors to reach a new level and an adjacency to the SteelStacks.

The main entry staircase and elevator of the HMT seamlessly transition people from the ground plane up 11 meters in the air to a new grade that sits one to two meters above the Hoover-Mason Trestle rail tracks, providing unobstructed views of the blast furnaces above, the ore cars and machines at eye-level, and the large bins below the tracks where the rail cars would deposit raw materials for the furnaces. The manipulation of topography and grade change from the ground level up to the Trestle level is an experience that inserts the individual into the complexities of the projects, both old and new.

13 夜晚的胡弗梅森棧橋入口處樓梯立面Hoover-Mason Trestle entry staircase elevation at night

In an effort to preserve the integrity of the original HMT, the new structure was designed to“tread lightly” over the existing structure. All new surfaces and design elements are supported by a new steel structure that attaches at the location of the existing rail tracks. The new steel structure was designed in weathering steel to match the existing rusted structures, and recede to the background,allowing the new walkway to float above the existing structure as a clearly identifiable and vibrant new entity that visually juxtaposes the old and the new; an industrial archeology.

The design is manifested in the form of three tectonic typologies that work together to create the overall experience and inform one’s circulation through, and understanding of, the site. The three distinct component typologies consist of: grating walkways, concrete platforms, and planting bins.Respecting the linearity of the original rail tracks on top of the HMT, metal-grating walkways run parallel immediately above the existing tracks, encouraging people to look down into the large existing bins below. These grating walkways are interrupted by angular concrete decking platforms and gathering spaces that frame and focus views, directing your attention outward to items of historical and contextual importance. While the grating walkways encourage an attention to the detail and existing structure below, the concrete platforms encourage an outward attention to larger scale elements.Finally, these distinct public spaces are buffered and enhanced by concrete planting bins that host a palette of both native and exotic species that direct and shield specific views, and introduce a seasonal color palette and horticultural narrative.

At every point along the HMT, one’s focus is pulled above, below, and outward across the datum of the rail tracks. In addition to the materiality of the new construction, these new components vary in their vertical height above the tracks, a further manipulation of the site’s topography. All new elements are perched above the tracks, creating an archeological experience over the artifact below.This allows for an experience at a human scale that pays homage to the site as a historic landmark by treading lightly over the existing structure,while also providing a unique and comfortable pedestrian experience. The experience is enhanced by a self-guided tour that includes interpretative physical signage as wells as an interactive digital application, accessible to any mobile device, delivering audio tours, oral histories and an entire database of historical images and interpretive data.

The pedestrian promenade serves to connect and galvanize the district, as it adds historic interpretation and passive recreation assets to the campus. Most significantly the project is building community and creating a new economic engine in Bethlehem.

By re-forging a cultural link between the history of the site and the SteelStacks Arts + Cultural Campus, a vibrant and active new landscape typology for small, post-industrial cities emerged, and will continue to contribute to the extensive economic resurgence of this former factory town. The Campus serves as a prime example of rediscovered economic and social value found that reflects the local heritage and the authenticity of the site, and embraces a respectful revitalization. The spirit of this place lives on in the gritty textures of the former industrial site, but also in the renewed energy fueled by the community who inhabits it. The heaviness in the scale of the old machines, superimposed with the lightness and simplicity of the new structure and design allows for the majesty of the iconic blast furnaces to provide an emotional and monumental backdrop for the new civic spaces.

14 夜晚的胡弗梅森棧橋架空人行步道及軌道車Hoover-Mason Trestle elevated pedestrian walkway and existing rail car at night

Project Design:WRT, Architect and Landscape Architect

Project Location:Bethlehem, PA

Project Area:500 Meters Long

Date of Design:August 2012 – May 2015

Date of Completion:June 2015

Client:Redevelopment Authority of the City of Bethlehem, PA

Project Team:

Prime Consultant, Architect and Landscape Architect:WRT, LLC

Construction:Boyle Construction Inc.

Fabrication and Erection:Levan Associates, Inc.

Structural Sub-Consultant: Simpson Gumpertz & Heger

Structural Sub-Consultant: Maser Consulting P.A.

Civil Sub-Consultant:HDR Engineering

MEP Sub-Consultant:Lehigh Valley Engineering, Inc.

Lighting Sub-Consultant:L’Observatoire International

Historic Interpretation Sub-Consultant:Local Projects, Bluecadet

Horticulture Sub-Consultant:Patrick Cullina

Photo credit:Fig. 1?Google Earth; Fig. 2, 13?WRT, Christenson Photography;Fig. 3-12?WRT, Halkin Mason Photography

Translator:CHEN Yuxi

Proofreader:LIU Yifei