Newsletter 高速鐵路簡訊 . 交通部高速鐵路工程局
機場捷運臺一省道段施工有感 Thanks of Great Work by the TIAA MRT Construction Team on the Provincial Highway No. 1
機場捷運新莊地區施工前民眾說明會

機場捷運CE01C施工標是全線最晚完成發包的土建標,其高架橋工程均位於交通繁忙的臺一省道上,在規劃設計階段,設計單位於臺一省道試挖管線、蒐集各管線單位資料、調查鄰屋基礎型式等,惟因臺一省道管線眾多複雜並未能於施工前完成先期管線遷移,開工後仍需協調各管線單位配合辦理臨時或永久遷移作業。
臺一省道之管線包含電力、自來水、瓦斯、電信、固網、交通號誌、雨排水、汙水下水道等,且管線資料常與現地有差異情形,除施工前增加試挖外,並經常需與相關單位會勘;更有甚者,多次由本局捷運工程處副處長率隊協調台電台北南區營運處高層,並以工序調整、基礎位置或型式變更等方式,克服各項問題,終於在施工團隊努力與管線單位充分配合下順利如期完工,施工期間亦未造成重大影響民生的管線損壞事故。
98年2月開工初期,為因應中正路捷運新莊線施工,臺北縣(現為新北市)道安會報要求機場捷運各階段之交通維持計畫均應維持雙向三車道通行,然而經本局新莊工務所勘查結果,沿路商家普遍於道路人行道私設爬坡道,若依核定之交維計畫施工,外側車道極易發生機慢車與汽車爭道之危險,該所爰於遷移協調會議上,建議當時人行道主管機關-臺北縣政府工務局、泰山鄉公所及新莊市公所,同意由本局代為打除私設爬坡道,並將人行道改為內嵌人行道。經多次協調,終於將私設爬坡道的危險因子消弭於無形。
98年4月初,下構基樁工作開始進行,抓斗抓起泥水時,常因風力將泥漿吹灑到鄰近過往人車,猶記有一次,一位盛裝準備參加婚宴的機車騎士,就被泥漿灑滿全身,施工廠商只能頻頻道歉並予賠償。因施工區域與臺一省道共用空間侷限,施工期間類此案件不斷,下構施工不到一年時間,人民陳情及全民督工案件不下百件,惟有不斷依工程進度與現地環境,檢討施工方法及步驟,增加防護設施包括加設防護網、加長抓斗靜置時間、限制高度以及配合號誌燈交管等措施,儘量降低對用路人的衝擊。
臺一省道新莊、泰山鄰近區域,因大量違建墊高造成排水不良,遇有颱風、大雨,橫交道路即變成水路,省道上亦多處積水,施工中立委、縣府及公所多次要求改善,經一再說明非屬施工因素,並說明應由地方單位辦理地區排水系統。另外施工中,鄰近社區陳情設置隔音牆以及損壞鄰近大樓房屋等情事亦是常有的事。
另外,CE01C標高架橋是機場捷運土建各標外部介面最多且工期最短的一標,設計上大量採用預鑄混凝土梁及鋼樑吊裝工法,讓下構與上構同時施工,縮短施工期程,減少對臺一省道交通衝擊時間,且僅能利用夜間十點以後從預鑄場運梁,並需於隔日凌晨六點以前撤除相關機具,回復省道交通。施工團隊需依各次施工情形提送交通維持計畫,與地方主管機關充分協調,設置完善交維措施及加強宣導,不分晝夜排除層層障礙,這條4.5公里與臺一省道共線的捷運高架橋,終能完成不可能的任務,在2年5個月如期完成交付後續機電標鋪軌,並還給用路人一條安全舒適的道路,且獲得交通部金路獎肯定。

Construction Tender CE01C was the last contracted civil tender of TIAA MRT Project in which the viaduct constructions of this tender are all located at the heavy-traffic Provincial Highway No. 1. During planning stage, the designing team did pipeline digging tests, gathered pipeline authorities information, investigated on foundation types of alongside houses. However, the pipelines were more complex than expected and the team was unable to finish pipeline relocation in advance, the team would need to coordinate with pipeline authorities for arrangement of temporary or permanent relocation after ground breaking.
The complicated pipelines on Provincial Highway No. 1 included electricity pipes, water pipes, gas pipes, telecommunication lines, network lines, traffic signal lines, drainage pipes, sewage pipes, etc. Moreover, the locations of actual underground pipeline were usually different from the blueprints. Therefore, it is necessary to increase digging tests, frequently conduct on-site inspections with coherent authorities, and adjust construction procedures or methods accordingly before breaking ground. With seamless cooperation and hard work of the construction team and pipeline authorities, the construction was completed as scheduled and there weren't any significant pipeline damages during construction period that impacted local residents.
In February 2009, during initial construction period, we were requested by Road Traffic Safety Committee, ex-Taipei County that in coordination with Taipei Metro Xinzhuang Line construction work taking place at Zhongcheng Road, which is a traffic artery, we should retain at least 3 traffic lanes in both directions at all sections of construction area despite of the construction work. However, inspection results from Xinzhuang Public Works Office showed that roadside stores privately installed slope-ways that occupied some sections of the pedestrian sidewalks for their own convenience. This situation resulted in width reduction in the outer lane which may cause cars and motorcycles fighting for traffic lanes. Therefore, Xinzhuang Public Works Office suggested authorities in charge of sidewalk construction, Ex Taipei County Public Works Department, Taishan Township and Xinzhuang City Hall, to agree on letting BOHSR remove the private-installed slope-ways and build an embedded sidewalk in replacement. After aggressive communication from the representative of Xinzhuang Public Works Office and other authorities, the suggestion was finally agreed and the dangerous factor was resolved.
In early April same year, upon the beginning of bridge substructure and pile construction, liquid cement was often spilled onto passing vehicles and pedestrians from the grabs due to unpredictable wind blowing. There was one time a motorist who was fully dressed for a wedding got himself splashed with cement when passing by and all the construction contractor could do was apologize and provide compensation. On account of limited shared space of the construction area and Provincial Highway No. 1, similar complaints exceeded 100 cases in just a year since the start of pile construction. The construction team has been continuously examining and improving construction methods and process according to construction status and on-site situation including increase protection nets, extend grab standing period, set height limit and coordinate with traffic signs to reduce as much impact on road users as possible.
Provincial Highway No. 1 nearby districts including Xinzhuang and Taishan consists of massive illegal buildings which led to improper drainage. When encountering typhoons or heavy rain, the intersecting roads become waterways and numerous puddles. During construction period, legislators, county governments and local district offices demanded such conditions to be improved; however, the problem was not caused by construction factors but should be resolved by local authorities to improve the district's drainage systems. Moreover, reasonable petitions on noise barrier request and complaints on nearby building damages are ordinary during construction.
Tender CE01C viaduct construction is the tender with the most interfaces and shortest construction period among all TIAA MRT civil engineering tenders. The viaduct construction used massive PRC pillars and steel pillar launching method and processed superstructure and substructure construction simultaneously to reduce construction period as well as the impact toward Provincial Highway No. 1 traffic. The pillars could only be transported to and fro the construction site and precast factory after 10pm each day and cease by 6am each morning for smoother traffic on the provincial highway. Traffic Management Proposals should be submitted and fully discussed with local authorities according to each construction situation to achieve complete traffic management measurements. After 2 years and 5 months and overcoming numerous obstacles, this 4.5 km MRT viaduct was finally and successfully completed within schedule and passed on to the following E& M tender for rail installation. Moreover, the construction was awarded with the Golden Way Awards by MOTC.

  • 機場捷運CE01C標在臺一省道施工情形
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