Sandcrawler (原名「CX2-1」) 是卢卡斯影业位于CX2-1地块上的新区域总部,项目要求符合新加坡纬壹科技城的总体规划,同时提供优质的公共空间,并充分展现当地文化的丰富和多样性。
▽北侧外墙 North elevation
Sandcrawler (formerly known as ‘CX2-1’) is the new regional headquarters for Lucas lm Singapore on plot CX2-1. Combining the intended use with a strong civic ambition within the one-north master plan in Singapore, the design for this project not only enjoys this duality but also seeks a solution which celebrates that diversity.
The masterplanning guidelines for this project are highly de ned, dictating envelope heights and setbacks, roof pro le which has to follow a speci c sloping topography and the minimum amount of mass on all faces of the enclosure. A ‘horseshoe’ plan was developed to achieve the desired daylighting and meet master plan requirements while achieving a lush tropical garden enclosure.
Floors were reduced from the bottom up until the correct allowable gross oor area was reached. The result was an 82% ef ciency, maintaining the height requirements as well as carving out a double volume space in the center for a state of the art 100-person theater and gallery.
The taut external metallic facade is a low-iron insulated glass with an inner metallic frit layer, allowing for good solar protection and privacy on the more exposed faces. The courtyard side façade is more contained and private with highly transparent glass and overhanging terraces providing shading to the lower levels.
▽ 建筑外观 External view
建筑师将商业以及如咖啡馆这类的活动空间设置在大楼的两侧,面对着纬壹公园。这样的设计能够激活汇贤谷的绿化带,使启汇园3区和2B区 和谐相连,与公园相互呼应。同时,建筑师也将活动区域延伸至沿街的公共空间。相对而言,像逃生楼梯和服务出口之类的设施是不会朝向公 共空间和纬壹公园的。
The building is located within one-north, a master plan in Singapore developed to house R&D, high technology activities in the biomedical sciences, infocomm technology and media industries.
As part of the broader pedestrian connectivity network and one-north space concept linking two areas – Central Xchange and Life Xchange – across one-north Park, it is important to create a visual and physical connection between Nepal Hill and one-north Park. This ultimately results in the provision of a publicly accessible space across Sandcrawler along Portsdown Road.
Undoubtedly, placing retail or activity generating spaces like cafes along the side of the building facing one-north Park comes almost naturally as this stretch is able to activate the frontage along Central Exchange Green and draw the continuation of activities from Fusionopolis 3 and 2B, while tapping onto the park. The placement of activity areas is also encouraged to be extended to the publicly accessible space along Portsdown Road. In contrast, blank walls such as escape stairs and service exits that face the public space and one-north Park are strongly discouraged.
The master planning guidelines for this project are highly de ned, dictating envelope heights and setbacks. What is unusual about the controls is that it stipulates a certain height and a speci c sloping topography for the building. The guidelines also regulate the minimum amount of mass on the enclosure.
▽ 鸟瞰图 Aerial view
As the regional headquarters of one the world’s leading entertainment companies, the building form has to portray a unique statement while commanding a strong presence within the one-north vicinity. In tandem, the client requested for a state-of-the-art 100-seat movie theatre for screening and other events.
An ef cient oor plate is needed as well to complement the building as a revenue-generating of ce development.
The design approaches the strict master plan guidelines deliberately to ful ll the viability requirements as well as provide a strong civic quality for the regional headquarters. Marrying these factors with the client’s aspirations resulted in a horseshoe plan enclosing a lush tropical garden at its heart. At the horseshoe’s ends, a series of overhanging terraces are draped with luxuriant foliage. Such plan not only provides a great civic space that most of ce buildings do not have the luxury to enjoy, but also offers spectacular garden view for the of ce tenants.
The building is also elevated up to 13 metres above ground to create a generous and sheltered public space on ground level, further giving a strong civic dimension not normally associated with corporate of ces.
The high performance façade addresses different audiences and contexts with a smooth combination of polished, sleek surfaces and jarring sharp angles that taper towards the courtyard. The outer skin of low-iron glass with an inner metallic-frit dot layer underneath allows daylight to penetrate the interior without solar heat gain; while on the lush courtyard side, the façade is more open and wrapped in a layer of highly transparent glass.
In addition, the oor slabs off the wing walls and courtyard and slowly steps out from the lower oors to the upper ones. This maximises ‘perceived’ volume within the landscape deck and reduces the aperture moving up to reduce solar heat gain in of ce spaces. At the horseshoe ends, luxuriant planting and green terraces hanging down further shelter the of ces from the sun while tying the spectacular building into the untamed landscape below.
▽庭院景观 View of courtyard
▽总平面 Site Plan
▽建筑北面外观 North elevation view
楼层平均纵深19米,保证两翼办 公空间的得到自然日照。大楼的 三面外墙也是楼面设计的考虑因 素之一。因此,建筑师在没有严格限制的一面将楼面呈现开放状 态,使楼面的实用面积超过82% ,远远超出了客户的预期。
大楼高九层,下方为13米高的底 层架空柱,为大楼的租户和路人 营造出优雅而又郁郁葱葱的公共空间。
USE OF SPACE
The width of the oor plates are kept at an average of 19 metres in depth for reasonable daylighting within a double aspect of ce space. These oor plates were designed with regards to the three faces of the building. On the face which does not have any minimum requirements, the oor plate is kept open. The resulting horseshoe plan achieves an ef cient oor plate with an average net to gross area ef ciency of over 82% – exceeding client’s expectation.
Inside the building, space is carved out to create an expressively contoured 100- seat theatre for screenings, performances and other events for the client as well as other commercial tenants. The facility is located in the middle of the vessel on the upper levels of the lower end user zone and immediately below the leased tenant spaces to ensure convenience. Slightly visible through the metallic façade from the outside and openly visible to the courtyard, this feature further differentiates the building from other corporate of ce buildings.
The nine-storey building is elevated on 13-metre-high pilotis, creating a generous and lush public space for the tenants and passers-by to enjoy.
▽Main lobby 大堂
▽Main lobby 大堂
▽Theatre prefunction 剧院前厅
▽100座剧院 100-seat theatre
▽看庭院和树冠view of courtyard and canopy
▽花园景观 looking out from courtyard
• 使建筑围护结构性能指标(ETTV) 从50W/m2降为46W/m2
• 电梯采用变压变频(VVVF) 与睡眠模式
• 室内噪音严格遵照SS CP13,使其在城市区域范围内维持良好的声音环境 • 采用区域制冷系统
• 使用合新加坡水效率标签系统(WELS) 规范的节水装置
• 原有树木在工程进行期间被移走,待竣工后重新种植在建筑内部 • 靠近交通设施如巴士站和地铁站
The overhanging terraces at the horseshoe ends with greenery cascading down the building in time, the heavily landscaped garden, the outer skin of low-iron glass over a metallic dot-frit inner layer on the façade, and the covered walkways all help reduce solar heat gain. Other sustainable highlights include:
• High-frequency ballasts used for all uorescent light ttings to prevent ickering.
• Provision of house lighting and general lighting on different circuits to minimise arti cial lighting when the theatre is not in use.
Heat (Mechanical Services)
• Building envelope ETTV reduced from code 50W/m2 to 46W/m2.
• CO sensors in car parks to regulate and control use of mechanical ventilation.
• Mechanical ventilation for stair-cores.
• VVVF and sleep-mode for lifts.
• Improvement in ef ciency for chillers and pumps over code requirements.
• Improvement in overall EEI (Energy Ef ciency Index) over base design.
• Indoor thermal comfort of 22.5 to 25.5 degrees and RH of less than 70% maintained. • Indoor noise levels comply with SS CP13 with stricter noise controls for civic zone.
• District cooling system implemented.
• WELS rated (Singapore Water Ef ciency Labelling System) water ttings used.
• Sub-meters are provided and linked to BMS for monitoring of abnormal water usage.
Conservation and Recycling
• Existing trees are transplanted for re-instatement within the completed development. • Proximity to nearby transportation facilities like bus stops and MRT station.
• Provision of bike parking to encourage sustainable form of transportation.
SAFETY AND SECURITY
The lobby security system is based on a state of the art ‘optical’ turnstile, replacing the obtrusive physical barrier by utilising active infra-red beams to create invisible electronic eld between two pedestals. It automatically monitors the passage of every individual entering and leaving the facility and alerts security staff the presence of unauthorised entrants. Tenants pass through gates speedily while unauthorised entry attempts can easily be identi ed. This offers a similar level of security as a 1⁄2 height turnstile and is designed to connect with an audible alarm and other security measures such as CCTV systems, lighting and locking doors.
Architect: Andrew Bromberg of Aedas
Structural Engineer: Arup Singapore
Consultants: J Roger Preston (M&E)
Adrian L Norman (Landscape)
Arup Acoustics (Theatre)
Lighting Design Partnership (Lighting) ALT (Facade)
Main Contractor: Obayashi Corporation
KEY PROJECT FACTS
Client: Lucas Real Estate Singapore
Project height: 74.5 metres
Site area: 6,816.90 square metres
Gross oor area: 22,495.77 square metres
Completion year: 2013
Photo credit Aedas & Paul Warchol。