Pwsc endorsed a commitment to upgrade 72lc to category a at an estimated cost of $ 46 . 7 million in money - of - the - day ( mod ) prices for carrying out a feasibility study and associated site investigation for land formation and infrastructure works for the proposed prison development at hei ling chau 工务小组委员会通过开立承担额，把72lc号工程计划提升为甲级；按付款当日价格计算，估计所需费用为4 , 670万元，用以为拟议喜灵洲监狱发展计划的土地平整和基建工程进行可行性研究及相关的工地勘测工作。
A spokesman for the working group said four cases of red tides were formed by mesodinium rubrum . two of them were observed on january 12 at the waterway between ma wan to tuen mun , and on january 13 at western waters of siu mo to . two other red tides were observed on january 14 on northern waters of lamma island , and on january 15 at south - western waters of hei ling chau 该工作小组的发言人表示，其中四宗红潮由红豆中缢虫组成，发现这些红潮的时间和地点分别是：一月十二日在马湾至屯门的水道、一月十三日在小磨刀以西水域、一月十四日在南丫岛北面水域，以及一月十五日在喜灵洲西南面水域。
Pwsc endorsed a commitment to upgrade 72lc to category a at an estimated cost of 46 . 7 million in money - of - the - day prices for carrying out a feasibility study and associated site investigation for land formation and infrastructure works for the proposed prison development at hei ling chau 工务小组委员会通过开立承担额，把72lc号工程计划提升为甲级按付款当日价格计算，估计所需费用为4 , 670万元，用以为拟议喜灵洲监狱发展计划的土地平整和基建工程进行可行性研究及相关的工地勘测工作。
