建築工程圍籬綠化應用現況調查之研究

Research on the Performance of Green Fencing for Building Construction Projects.

洪國智(Kuo-Chih Hong)

指導教授 ： 楊詩弘

國立臺北科技大學/設計學院/建築與都市設計研究所/碩士(2012年)

https://doi.org/10.6841/NTUT.2012.00185

摘要

建築工程圍籬綠化之推動政策，緣起於舉辦「2010國際花卉博覽會」，並藉由「臺北好好看」系列計畫之施行，於2009年7月始修訂「臺北市建築物施工中妨礙交通及公共安全改善方案」，增列關於綠化圍籬的部分。建築工程圍籬綠化之政策背後，執行的目的是美化？或是兼具綠化效益，希望可藉由學述研究的角度來探討。
本研究以臺北市建築工程圍籬綠化的現況調查做為研究區域，針對建築工程圍籬綠化之結構系統與植栽：對於結構系統之組合形式統整與歸納；植栽方面，針對植物種類、植栽面積與綠化量之統計，其綠化量之計算，須以綠化圍籬竣工拆除之際，植栽會轉移至深度足夠之覆土層為前提，後續藉由各組合形式之成本估算，繼而探討其綠化效益之貢獻與成本負荷之數值。
本研究對建築工程圍籬綠化現況調查與相關之數據分析提出以下結論：
一、法令之規範修正建議
其訂定之出處為「臺北市建築物施工中妨礙交通及公共安全改善方案」，此法為地方規範條例，僅以硬體之限制為規範之範圍，並無針對植物種類、綠化量、綠化效益或成本負荷之數值標準作為規範之限制內容。
二、美化效益大於綠化效益
在政策導向之推動下，建築工程圍籬綠化之核心價值尚待釐清，政府舉辦之評選活動以美化之趨勢為主，亦可加入綠化效益之評估模式，藉以考量綠化量與成本之對應關係。
三、建築工程圍籬綠化效益之價值評估
藉由第四章綠化效益與成本負荷之估算得知，以工期12個月與平均工期30個月為例，各組合形式之綠化效益介於0.48 g-CO2/元~1.72 g-CO2/元不等，顯示建築工程圍籬綠化之綠化效益的貢獻相當低微；再而從成本負荷之觀點而論，各組合形式介於581元/ kg-CO2~2,103元/ kg-CO2不等，提供1 kg-CO2之綠化量，所需耗費的成本相當高昂。故建築工程圍籬綠化之執行，固然是具有美化觀感，卻是建立在環境破壞之層面上，花費高昂之成本，卻在綠化圍籬的綠化效益上達不到應有的水準。於本研究之結論希冀廢止此等政策之施行，勿因提供綠美化而致使更多的排碳量生成。
四、臺北市建築工程圍籬綠化之成本花費
藉由本研究之綠化量與成本之估算，臺北市建築工程圍籬綠化於本文現況調查之花費概算中，以每米平方3,000元~12,000元不等，花費成本至少為4,100萬元以上，未包括已竣工拆除與後續增加之綠化工地。

關鍵字

工程圍籬綠化 ； 綠化量 ； 綠化效益 ； 成本負荷

並列摘要

The policy of green fencing for building construction was started from “Taipei international flora expo.” in year 2011 and implemented through “Taipei Beautiful” series plan. However, the meanings of green fencing for building construct should not only beautify environment but also explore the effect it brings on in the aspect of academic research, example for the relationship between cost & green coverage and so on.
This study is the research on current condition of green fencing for building construction in Taipei City and also discusses organization method and plating for green fencing of building construct, and focused on structure and planting about green (The calculation of the Green coverage should be based on premise: After the demolishing process and remove the plants into the place with sufficient soils). Integrate and organize the combination of structure system, and calculate the plant area and Green coverage depending on the category of plants. By then, through the evaluation, we could study and find the contribution of green benefit and the value of cost load.
The conclusions about current condition and related data on the green fencing for build construct is as below:
1、Law amendments of the specification
The laws are from” the traffic and public safety improvements of Taipei building constructions”, and this is for the local normative acts. The The specifications of the range is used the limit of the hardware , The law of the restricted content did not direct at the category of plant, the calculations for green coverage, the contribution of green benefit, and the value of cost load.
2、The benefit of the beautifying the environment is much stronger than the Greening.
Even under the implement of government policy, we still have to clarify the real core value of the Construction Green Fencing. The government would understand the effects and relations between the green coverage and cost through considering green benefit when they hold the activities to beautify the environment.
3、Effectiveness of green construction fence valuation
By the 4th chapter-benefit of evaluations of green and cost, the benefit of green is between 0.48 g-CO2/dollar ~1.72 g-CO2/dollar, it shows tht green fencing of building construct and benefit green are very small; In the aspect of cost loading, every form will be $NTD 581/ kg-CO2~$NTD 2,103/ kg-CO2, it means that the cost is very expensive, if it provides the green coverage for kg-CO2. So the implentemt for green fencing for building still have sense for beautifying the envornment, but it sets on the destroyment side. If the cost is high, but the effect can’t achieve the target, this study hope gonvenment can stop impletmenitng this policy, and don’t provide more CO2 from beatifying the environment.
4、The cost for Construction Green Fencing in Taipei City
By the evaluations for green coverage and cost, the cost for the green fencing of building construct on current condition is around $NTD 3,000~$NTD 12,000 , the cost is at least $NTD 41,000,000 , it excludes the demolishing cost and the cost for following processes.

並列關鍵字

construction green fencing ； the calculations for green coverage ； the contribution of green benefit ； the value of cost load

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