| Yard | Wanchai |
|---|---|
| Location | Hong Kong |
| Subcategory | TUNNEL |
| Application | Waterproofing (8,000 m2) |
| Start and finish date | 2014/2016 |
| Application Type | Products for underground construction (utt) |
| Client | Civil Engineering & Development Department, HKSAR |
| Contractor company | Chun Wo - Leader Joint Venture |
| Installer companies | Hop Shing Waterproof Construction Co. Ltd. |
| Architects | AECOM Asia Co. Ltd. |
| MAPEI Distributor | Mapei China Ltd. |
| Other | Along the coastline at Wan Chai North and North Point, the cut and cover tunnel was built and it needs a high-performance waterproofing system to ensure a safe and efficient transport facilities to public. Purtop 400M HK was proposed to protect the 8,000 sq.m tunnel from any leakages. |