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Pusaran是一个旨在了解如何利用复用铁木在海洋中间构建空间的实验。位于印度尼西亚卡里蒙加瓦群岛的一个私人岛上，尽管该地通常被认为不适合在不对海底进行干预的情况下进行建筑，但客户希望将现有的鲨鱼观察池扩展为更适合游客的空间。

▼视频，video©RAD+ar

Pusaran is an experiment aimed at understanding how to construct a space in the middle of the ocean using only reclaimed ironwood on its vernacular system. Located on a private island in the Karimun Jawa archipelago, the client wanted to expand their existing shark observation pool into more tourist-friendly spaces, despite the challenging site that are generally considered unsuitable for construction without any intervention to the ocean’s floor.

▼项目鸟瞰，project Ariel view©William Sutanto

Pusaran意为“漩涡”，由当地的复用木材构成，形成多层活动区域，同时避免对水下生物的干扰。其概念是在海中间创建一个漂浮的海洋观测平台，从早到晚为游客提供各种水上活动，包括潜水、水上运动、晒太阳的平台和祈祷平台。目标是在提供娱乐和教育的同时确保当地生态系统的保护。

Pusaran, which means “whirlpool” in Bahasa Indonesia, consists of locally sourced reuse timber that forms multi-level activity areas while avoiding disturbance to the water biota underneath. The concept was to create an ocean observation deck that floats in the middle of the sea, offering various water activities for visitors to enjoy from morning to sunset, including diving, water sports, tanning deck, and a praying deck. The goal was to provide entertainment and education while ensuring the preservation of the local ecosystem.

▼项目近景，closer view of the project©William Sutanto

在水上建筑通常采用重型、不易腐蚀的混凝土结构，并很少考虑对水景的影响的时代，Pusaran旨在通过使用100%本土木材建筑实现一个不断变化的参数空间和阴影游戏，以此展现出建筑的寿命。

▼纯木构建造过程，using 100% vernacular timber construction©RAD+ar

In a time when water constructions are often made of heavy, less corrosive concrete structures, with little consideration for the impact on the waterscape, Pusaran aims to achieve an ever-changing parametric space and shadow play using 100% vernacular timber construction that can last a lifetime.

▼来自当地的木材搭建的纯木构，using 100% vernacular timber construction©William Sutanto

▼不断变化的参数空间，ever-changing parametric space©William Sutanto

Pusaran的设计代表了现有鲨鱼观察池的波浪和集中活动。旋转的铁木结构从甲板开始，延伸到对角线结构和立面，起到遮风挡和为游客提供阴影的作用。屋顶甚至可以兼作水跳板。在现有鲨鱼观察池的基础上建造，Pusaran结合了玻璃地板和栏杆，展示了游客和业主种植和培育的珊瑚的美丽。在隐藏的储存空间之间，Pusaran作为一个教育平台，观察卡里蒙加瓦的开放海域中的海洋、风和自然生物的运作。

▼纯木构建造过程，using 100% vernacular timber construction©RAD+ar

The design of Pusaran represents the waves and the centralized activities of the existing shark observation pool. The swirling ironwood structures start from the decking and extend to diagonal structures and facades, which act as windbreakers and shades for visitors. The roof even doubles as a water-jump runway. Built on the foundation of the existing shark observation pool, Pusaran combines glass floors and railings to showcase the beauty of the corals planted and grown by visitors and the owner. With hidden storage spaces in between, Pusaran serves as an educational deck for observing the workings of the ocean, winds, and natural biota in the open waters of Karimun Jawa.

▼观鲨平台，shark observation deck©William Sutanto

▼为游客提供遮阳的平台，provide shading©William Sutanto

考虑到卡里蒙加瓦大部分居民信奉伊斯兰教，Pusaran还包括一个面向麦加的独立祈祷平台。这个设计特点创造了一个与自然深度连接的新的精神公共空间，漂浮在海洋中间。

Considering the Muslim faith of the majority of Karimun Jawa’s inhabitants, Pusaran includes a separate praying deck facing Kabaa. This design feature creates a new realm of spiritual public space that connects deeply with nature and floats in the middle of the ocean.

▼面向大海的开放平台，platform opens to the sea©William Sutanto

▼面向大海的开放平台，platform opens to the sea©William Sutanto

▼与自然深度连接的精神空间，a realm of spiritual public space that connects with nature©William Sutanto

Pusaran的理念是允许现有珊瑚（潜水点）和新种植的珊瑚与各种水上活动共存，提供娱乐和教育，同时保持游客的舒适。Pusaran是RAD+ar原型的一部分，旨在在整个印度尼西亚分散更可持续的建筑实践。它采用开放式布局，使用单一的复用材料设计，既是一个可持续的资产，也能在卡里蒙加瓦为游客提供娱乐和教育。

▼活动图例, activity diagram©RAD+ar

The idea behind Pusaran is to allow the natural ecosystem of existing corals (diving spots) and newly planted corals to coexist with various water activities, providing entertainment and education while maintaining visitor comfort. Pusaran is part of the RAD+ar prototype that aims to decentralize more sustainable construction practices throughout Indonesia. Designed with an open layout and using a single reclaimed material, it serves as a demonstration of how simple construction can be a sustainable asset, both entertaining and educating tourists in Karimun Jawa.

▼夕阳西下，the sunset©William Sutanto

▼夕阳西下，the sunset©William Sutanto

▼材料细部，detail©William Sutanto

▼一层平面，ground floor plan©RAD+ar

▼屋顶平面，block plan©RAD+ar

▼剖面, section©RAD+ar

▼概念：鲨鱼漩涡, a whirlpool of shark©RAD+ar

Project Name: Pusaran Ocean Deck
Office Name: RAD+ar
Office Website: radarchitecture.net
Social Media Accounts: @radarchitects
Contact email: visionary@radarchitecture.net
Firm Location: Jakarta-Bali , Indonesia
Completion Year: 2024
Gross Built Area (m²/ ft²): 300 sqm
Project Location: Karimun Jawa, Indonesia
Program / Use / Building Function: Public Space
Lead Architects: Antonius Richard Rusli
Lead Architects e-mail: studio@radarchitecture.net
Photographer
Photo Credits: William Sutanto
Photographer’s Website: https://www.artipictures.com/

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