I Block

I Blocks (Chinese: I型大廈)[1] are a design of public housing in Hong Kong. It is mainly divided into three variants: Single I, Double I, and Triple I. Only a few estates currently have I blocks as of today. (1981-1983)

Sun Tin Wai Estate

Variants

The I block can be divided into three variants: Single I, Double I, and Triple I.

Etymology

The building looks like the letter I. There are three wings - two long and one at the middle. It can be modular by connecting another or two more I blocks. This gave birth of Double I and Triple I.

Naming

Unlike other blocks, Double I blocks are only given one name. Such examples include Mei Fung House in Mei Lam Estate and Shek To House in Shek Wai Kok Estate.

Location

The I blocks take up a large amount of space. Therefore, most are found in the new towns of Sha Tin, Kwun Tong, Sham Shui Po, and Tsuen Wan.

History

The first I blocks was completed in 1981, located at Sun Tin Wai Estate. (Shing Wai House, Foo Wai House, Yan Wai House, Fung Wai House, Wing Wai House) The first Double I buildings are located at Shun Tin Estate, completed about the same as shown above. The last I blocks to be built are located at Chak On Estate, completed in 1983.

Overview

Usually, the height of I blocks may vary. (14-21 stories) Only medium and large units are provided inside the block. (32-39 sqm) Therefore, in public housing estates, it is built with Old Slab to balance the size of units.

Due to the I block taking a lot of space and units focusing on only one size, the I block was stopped being built in future projects. Therefore, few currently have I blocks as of today.

  • Single I: Single I block contains 27 units per floor.
  • Double I: Double I block contains 54 units per floor.
  • Triple I: Triple I block contains 81 units per floor.

List of blocks
DistrictEstateStoriesUnits per floorCompletedNotes
Sham Shui Po Chak On Estate 14 27 1983 Last I block in Hong Kong.
Lai Kok Estate 14 81（27x3 blocks） 1981 Triple I (given one name)
Kwun Tong Kai Yip Estate 14
Shun Tin Estate 21 54（27x2） Double I block (one name)
Tsuen Wan Shek Wai Kok Estate 21 54 1982
Sha Tin Mei Lam Estate 1981 First Double I block in Hong Kong.
Sun Tin Wai Estate 21×5 27×5 Location of the first I blocks in Hong Kong.
Total：12 houses (18 blocks)

See also

References
  1. "公務員事務局 - 搜尋政府部門常用辭彙". www.csb.gov.hk. Retrieved 2021-08-27.
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