(招標編號：MBEC-Z-2015-072)

致各投標人：

    1、主橋鐵路橋面鋼箱梁內表面是不是全按照非封閉內表面即外表面進行涂裝？

    答：見招標文件和圖紙。
    2、引橋鋼箱梁除墩頂位置是不是其余位置出廠狀態(tài)橫向不分段？

    答：是。
    3、主塔內的鋼牛腿及錨梁是采用水運還是陸運？附屬構件是不是均采用陸運（除部分需安裝在橋面板上的）？

    答：鋼牛腿及錨梁宜采用水運，附屬可自行選擇。

    4、甲供料是否包含本次招標范圍內所有鋼結構材料，包括型材和鋼管等所有鋼材？清單中甲供料噸位與清單總噸位總和不一致。

    答：Q500qE、Q420qE、Q370qE鋼板由甲方提供，其余鋼材乙方自購。

5、招標文件中，甲方提供主體結構所用Q500qE、Q420qE、Q370qE鋼板，請問主體結構中除以上三種材質鋼板外的其余型鋼（材質為Q345）等材料是否由甲方提供？

答：見第4條。

6、請明確本次招標附屬結構具體工作內容（如鑄鋼、球墨鑄鐵管、鍍鋅鋼管、鋼格板等是否包含？）。附屬結構中的高強螺栓和普通螺栓是否由甲方提供？

答：附屬結構包括但不限于欄桿、電纜槽道等（不含鑄鋼、球墨鑄鐵管、鍍鋅鋼管、鋼格板等）。高強螺栓由甲方提供，普通螺栓由乙方提供。

7、圖紙缺失：1）上弦A7A8，圖號：10218-04-206008，此節(jié)點圖紙缺失；2）公路立交BU8，圖號10218-04-415005，差最后一張材料表圖紙。

答：圖紙由甲方補充。另提供最新版主橋鋼梁的下弦桿、鐵路橋面系PDF電子版圖，上弦桿公路橋面系（藍圖掃描版）。

8、關于主橋吊裝節(jié)段高強螺栓連接問題：主橋鋼梁每個節(jié)段分為公路節(jié)段梁（包含上弦桿和公路橋面板）、鐵路節(jié)段梁（包含下弦桿和鐵路橋面板）+腹桿，公路節(jié)段梁、鐵路節(jié)段梁+腹桿兩種大節(jié)段在工廠內是否要分別采用高強螺栓終擰到位后，再進行發(fā)運？

答：高強螺栓由甲方提供，施擰扭矩由甲方在乙方施擰前提供。

9、關于引橋公路鋼箱梁和公路立交鋼箱梁節(jié)段分段的問題：以引橋公路鋼箱梁（45.4+78+45.4）米跨為例，圖號10218-04-315003～10218-04-315007共分了5個節(jié)段（其余鋼箱梁分段方法類似），設計的這個分段是否是作為工地吊裝用節(jié)段？。若不是，需重新分段的話，可能需要結合具體的安裝方案進行分段。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

答：原則上橫橋向不分段，縱橋向可分段制造，接縫離跨中不小于5m，分段方案報經(jīng)設計認可后方可制造。

10、主橋鋼梁涂裝方案中“鋼梁與混凝土橋面板結合面”的具體位置不清楚，是否具體指鐵路橋面道砟槽位置，如果不是請同時明確鐵路道砟槽的涂裝體系。

答：具體見招標文件和圖紙。

11、主橋鋼梁涂裝方案中未明確混凝土壓重段鋼箱梁內部鋼混結合面的涂裝體系，請明確。

答：具體見招標文件和圖紙。

12、招標文件P119說明：“高強螺栓由招標方自行采購”，由于交貨狀態(tài)為節(jié)段梁，橋面橫隔板與弦桿間采用高強螺栓連接，需要在廠內施擰完成。請問此部分高強螺栓是否也由招標方采購。

答：此部分高強螺栓由甲方提供。

13、招標文件P67頁，鐵路節(jié)段梁需與腹桿拼裝后運輸，請問此兩者之間的連接是否僅作沖釘定位和普栓緊固。

答：用沖釘和高強螺栓連接，高強螺栓由甲方提供。

14、招標文件P95頁，第1.2.15節(jié)第1條中”焊縫檢測采取相控陣超聲檢測技術”。是否是指板單元U肋角焊縫探傷。

答：具體見招標文件和圖紙。

15、公路立交橋梁工程鋼箱梁施工招標圖因缺少說明第8頁。

答：由甲方提供。

16、招標文件P119頁，明確了鋼梁制造用Q370qE、Q420qE、Q500qE鋼板為甲供材料，除此三種材質鋼板外其余如主梁用錨管、鋼錨梁及牛腿用四氟板、不銹鋼板、索導管、Q235B材質等其他材料是否也為甲供料？

答： Q500qE、Q420qE、Q370qE鋼板由甲方提供，其余鋼材乙方自購。

17、招標文件P115頁附表1中A標序號“6”鋼梁橋面附屬鋼結構“1475t”，P116頁附表1中B標序號“8”鋼梁橋面附屬鋼結構“1649t”,附屬鋼結構總重3124t。

答：數(shù)量以招標文件為準，最終數(shù)量以建設單位審核下發(fā)的正式施工圖為準。

18、設計圖《第五分冊 橋梁附屬設施與其他工程》第一分冊 《全橋附屬設施》附屬結構工程數(shù)量表（圖號10218-04-501001，第1頁，第2頁）的“鋼材”項目中Q370qE Q345qD、Q345C、不銹鋼、鑄鋼等總重為2480t，普通鋼材3549.2t；設計圖《第五分冊 橋梁附屬設施與其他工程》第二分冊《公路立交附屬設施》中所示的Q345C、Q235鋼板, 總重為387t。合計總重為6416.2t 。與招標文件給定的工程量不一致。請明確附屬鋼結構具體工程量明細。

答：數(shù)量以招標文件為準，最終數(shù)量以建設單位審核下發(fā)的正式施工圖為準。

19、招標文件中只提到“2017年1月份開始供梁…”,并未給出關門工期，為便于編制施工計劃請貴部提供詳細架梁結點工期。

答：按2019年1月底前供完最后一批鋼梁編制施工計劃。

20、招標文件P40頁17.2要求：“乙方應在工廠進行3個節(jié)段的立體式拼裝，并經(jīng)評定合格后，方可進行批量生產?！笔欠窭斫鉃槿珮蜃铋_始3個節(jié)段需進行一次立體式拼裝，評定合格后可進行批量生產，后續(xù)不再進行立體式拼裝。

答：是。

請投標人收到本函件后，按下表要求填寫并加蓋單位印章后，于2015 年 11 月 30 日 17：00 時前以傳真形式回函確認。逾期不回函確認者，視為已收到并知悉本函件。

招標人：中鐵大橋局商合杭鐵路蕪湖長江公鐵大橋項目經(jīng)理部

聯(lián)系人：周女士       （電話： 027-84596569，傳真：027-84596039）

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