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PROVISIONAL URBAN COUNCIL
(3) Characteristics of Greening Measures
395
The delegation noticed that a number of greening measures had their unique features which are summarized into eight points as follows:
(i) the crown of street trees is lifted to give a clear headroom of 4.5 metres;
(ii) ferns and orchids are planted on the trunk of street trees for aesthetic reasons. This practice, however, may damage the trees if not properly taken care of;
(iii) drip and spray irrigation system are installed at street tree holes, footbridge plant troughs and roadside amenity plots;
(iv) lightning conductors are installed on most tall old trees to protect them against damage by lightning:
(v) vacant reclamation sites (not to be granted within 10 years) are used as tree banks;
(vi) climbing figs (Ficus pumila) are widely planted to cover the vertical walls of viaducts and the results are great;
(vii) bougainvillea trees, on account of their bright colours, long flowering season as well as drought and salt resistance, are extensively planted at prominent locations to beautify major roads, footbridges and amenity plots; and
(viii) a large number of plants, mainly flowering trees, shrubs and climbers, are used to add colour to the city. Annuals are seldom used as they are expensive to maintain.
(4) Town Planning and Transport Policies Conducive to Greening
The delegation observed that the achievements made in Singapore's greening work could also be attributed to the following town planning and transport policies:
(i) Apart from reserving tree planting sites on both sides of streets, ample public open spaces are also provided between buildings. Built-in plant troughs are included in the design of footbridges and viaducts. These planning policies have facilitated the successful execution of landscaping work. There is no such policy for the old areas in Hong Kong. Very often, the Government even acquires land from PUC parks for the construction of roads.
(ii) Singapore has adopted a one-way vehicular traffic system which has lessened the competition for road spaces in the
Page 407 of 606
Page 407 of 606
Page 407 of 606
Page 407 of 606
PROVISIONAL URBAN COUNCIL
(3) Characteristics of Greening Measures
395
The delegation noticed that a number of greening measures had their unique features which are summarized into eight points as follows:
(i) the crown of street trees is lifted to give a clear headroom of
4.5 metres;
(ii) ferns and orchids are planted on the trunk of street trees for aesthetic reasons. This practice, however, may damage the trees if not properly taken care of;
(iii) drip and spray irrigation system are installed at street tree holes, footbridge plant troughs and roadside amenity plots; (iv) lightning conductors are installed on most tall old trees to
protect them against damage by lightning:
(v) vacant reclamation sites (not to be granted within 10 years)
are used as tree banks;
(vi)climbing figs (Ficus pumila) are widely planted to cover the
vertical walls of viaducts and the results are great;
(vii) baugainvillea trees, on account of their bright colours, long flowering season as well as drought and salt resistance, are extensively planted at prominent locations to beautify major roads, footbridges and amenity plots; and
(viii)a large number of plants, mainly flowering trees, shrubs and climbers, are used to add colour to the city. Annuals are seldom used as they are expensive to maintain.
(4) Town Planning and Transport Policies Conducive to Greening The delegation observed that the achievements made in Singapore's greening work could also be attributed to the following town planning and transport policies:
(i) Apart from reserving tree planting sites on both sides of streets, ample public open spaces are also provided between buildings. Built-in plant troughs are included in the design of footbridges and viaducts. These planning policies have facilitated the successful execution of lanscaping work. There is no such policy for the old areas in Hong Kong. Very often, the Government even acquires land from PUC parks for the construction of roads.
(ii) Singapore has adopted a one-way vehicular traffic system which has lessened the competition for road spaces in the
Page 407 of 606
Page 407 of 606
Page 407 of 606
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