8.7.2 In order to stockpile 6 Mm³ of public fill in Tseung Kwan O Area 137, the material will be filled up to a high of +30 mPD for most parts of the site. The profile of the fill bank is shown in the attached Plan No. P20164-27. The visual effects of the 25 m high stockpiles after incorporating the suitable mitigation measures will have to be assessed.