The Specification Library (SL) contains the specification of materials and workmanship for incorporation in the new development contracts. The content of the Specification Library is updated from time to time, and a new edition will be released every few years.

The 2018 Edition (SL2018), the original version was promulgated in February 2019 for incorporation in the Housing Authority’s new development contracts tendered out from April 2019.

The current version is SL2018 Edition (Batch 1).

The Specification Library is divided into ten libraries, namely:

Preliminaries Specification

Architectural Works Specification

Drainage and External Works Specification

Structural Engineering Works Specification

Demolition Works Specification

Foundation Works Specification

Soft Landscape Works Specification

Building Services Installation Specification

- Electrical Installation

- Fire Services and Water Pump Installation

- Lift and Escalator Installation