(招標(biāo)編號：MBEC-Z-2015-072)

致各投標(biāo)人：

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

    答：見招標(biāo)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(nèi)的鋼牛腿及錨梁是采用水運(yùn)還是陸運(yùn)？附屬構(gòu)件是不是均采用陸運(yùn)（除部分需安裝在橋面板上的）？

    答：鋼牛腿及錨梁宜采用水運(yùn)，附屬可自行選擇。

    4、甲供料是否包含本次招標(biāo)范圍內(nèi)所有鋼結(jié)構(gòu)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(biāo)文件中，甲方提供主體結(jié)構(gòu)所用Q500qE、Q420qE、Q370qE鋼板，請問主體結(jié)構(gòu)中除以上三種材質(zhì)鋼板外的其余型鋼（材質(zhì)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(biāo)附屬結(jié)構(gòu)具體工作內(nèi)容（如鑄鋼、球墨鑄鐵管、鍍鋅鋼管、鋼格板等是否包含？）。附屬結(jié)構(gòu)中的高強(qiáng)螺栓和普通螺栓是否由甲方提供？

答：附屬結(jié)構(gòu)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(qiáng)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(diǎn)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(bǔ)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(lán)圖掃描版）。

8、關(guān)于主橋吊裝節(jié)段高強(qiáng)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(nèi)是否要分別采用高強(qiáng)螺栓終擰到位后，再進(jìn)行發(fā)運(yùn)？

答：高強(qiáng)螺栓由甲方提供，施擰扭矩由甲方在乙方施擰前提供。

9、關(guān)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(shè)計(jì)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(jié)合具體的安裝方案進(jìn)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(shè)計(jì)認(rèn)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(jié)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(biāo)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(nèi)部鋼混結(jié)合面的涂裝體系，請明確。

答：具體見招標(biāo)文件和圖紙。

12、招標(biāo)文件P119說明：“高強(qiáng)螺栓由招標(biāo)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(qiáng)螺栓連接，需要在廠內(nèi)施擰完成。請問此部分高強(qiáng)螺栓是否也由招標(biāo)方采購。

答：此部分高強(qiáng)螺栓由甲方提供。

13、招標(biāo)文件P67頁，鐵路節(jié)段梁需與腹桿拼裝后運(yùn)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(qiáng)螺栓連接，高強(qiáng)螺栓由甲方提供。

14、招標(biāo)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(shù)”。是否是指板單元U肋角焊縫探傷。

答：具體見招標(biāo)文件和圖紙。

15、公路立交橋梁工程鋼箱梁施工招標(biāo)圖因缺少說明第8頁。

答：由甲方提供。

16、招標(biāo)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(zhì)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(dǎo)管、Q235B材質(zhì)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(biāo)文件P115頁附表1中A標(biāo)序號“6”鋼梁橋面附屬鋼結(jié)構(gòu)“1475t”，P116頁附表1中B標(biāo)序號“8”鋼梁橋面附屬鋼結(jié)構(gòu)“1649t”,附屬鋼結(jié)構(gòu)總重3124t。

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

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

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

19、招標(biāo)文件中只提到“2017年1月份開始供梁…”,并未給出關(guān)門工期，為便于編制施工計(jì)劃請貴部提供詳細(xì)架梁結(jié)點(diǎn)工期。

答：按2019年1月底前供完最后一批鋼梁編制施工計(jì)劃。

20、招標(biāo)文件P40頁17.2要求：“乙方應(yīng)在工廠進(jìn)行3個節(jié)段的立體式拼裝，并經(jīng)評定合格后，方可進(jìn)行批量生產(chǎn)。”是否理解為全橋最開始3個節(jié)段需進(jìn)行一次立體式拼裝，評定合格后可進(jìn)行批量生產(chǎn)，后續(xù)不再進(jìn)行立體式拼裝。

答：是。

請投標(biāo)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(rèn)。逾期不回函確認(rèn)者，視為已收到并知悉本函件。

招標(biāo)人：中鐵大橋局商合杭鐵路蕪湖長江公鐵大橋項(xiàng)目經(jīng)理部

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

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