甘孜州小金川關(guān)州水電站項目(恢復(fù)發(fā)電工程引水隧洞、調(diào)壓井、壓力管道缺陷修復(fù)工程) (項目名稱) / 標(biāo)段施工 澄清(**) 致各潛在投標(biāo)人: 一、招標(biāo)文件、技術(shù)條款及圖紙中對化學(xué)灌漿、固結(jié)灌漿、回填灌漿、錨桿及錨筋施工的詳細(xì)樁號位置明細(xì)如下: 1、化學(xué)灌漿 (1)引水隧洞施工縫、伸縮縫化學(xué)灌漿樁號引0+**0~引0+**5、隧**-**0.6~隧**+**5.4、隧**+**5.5~隧**+**0,位于環(huán)向的施工縫和伸縮縫; (2)隧洞混凝土襯砌裂縫樁號隧0-**6~隧0+**0、隧0+**1~隧5+**0,主要分布于隧洞頂拱、拱腰,拱腳零星分布; (3)散浸面化學(xué)灌漿,樁號隧**+**2~隧**+**2,分布4處大面積散漏,隧**+**5.5~隧**+**0分布6條散浸; (4)點射、孔洞化學(xué)灌漿樁號隧**+**2~隧**+**2、隧**+**7~隧**+**2、隧**+**8~隧**+**9、隧**+**9~隧**+**5.4,分布**處孔洞和**處射流; (5)接觸化學(xué)灌漿位于壓力管道下平段、轉(zhuǎn)彎段和支管段; 2、鋼筋異常段隧洞固結(jié)灌漿、回填灌漿及錨桿 鋼筋異常段隧洞統(tǒng)計見下表: 序號 | 起始樁號 (km+m) | 終止樁號 (km+m) | 長度 (m) | 圍巖 分類 | 襯砌厚度 (cm) | 襯砌 類型 | 備注 | 1 | 0+**2 | 0+**3 | ** | Ⅲ 1 | ** | A 1 | 拱部三線鋼筋異常 | 2 | 4+**9 | 4+**9 | ** | Ⅴ | ** | B 3 | 拱部三線鋼筋異常 | 3 | 4+**4 | 4+**8 | ** | Ⅴ | ** | B 2 | 拱部三線鋼筋異常 | 4 | 5+**0 | 5+**0 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | 5 | 5+**0 | 5+**0 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | 6 | 6+**5 | 6+**8 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | 7 | 6+**1 | 6+**1 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | 8 | 6+**0 | 6+**0 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | 9 | 6+**0 | 6+**5 | ** | Ⅴ | ** | B 3 | 拱部三線鋼筋異常 | ** | 7+**9 | 7+**4 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | ** | 7+**7 | 7+**5 | ** | Ⅲ 2 | ** | B 1 | 拱部三線鋼筋異常 | ** | 8+**4 | 8+**5 | ** | Ⅲ 2 | ** | B 1 | 五線鋼筋異常 | ** | **+**8 | **+**9 | ** | Ⅳ 1 | ** | D 2 | 拱部三線鋼筋異常 | ** | **+**6 | **+**2 | ** | Ⅳ 1 | ** | D 2 | 拱部三線鋼筋異常 | ** | **+**7 | **+**0 | ** | Ⅳ 1 | ** | D 2 | 拱部三線鋼筋異常 | ** | **+**7 | **+**2 | ** | Ⅴ | ** | D 3 | 拱部三線鋼筋異常 | 合計 | **2 | | | | | 回填灌漿位于頂拱**0°范圍,拱邊腰**°范圍內(nèi);脫空段全斷面固結(jié)灌漿;頂拱范圍設(shè)置錨桿,錨桿為φ**,長6.0m,間、排距3.0m。 3、少筋段固結(jié)灌漿 少筋段全斷面固結(jié)灌漿,樁號統(tǒng)計如下表: 起始樁號(km+m) | 終止樁號(km+m) | 長度(m) | 圍堰類別 | 0-**0 | 0-**0 | ** | V | 0-**0 | 0+**0 | ** | Ⅳ 1 | 0+**0 | 0+**0 | ** | Ⅳ 1 | 0+**0 | 0+**0 | ** | Ⅳ 1 | 0+**0 | 0+**0 | ** | Ⅳ 1 | 0+**0 | 0+**0 | ** | Ⅳ 1 | 0+**0 | 0+**0 | ** | V | 0+**0 | 0+**0 | ** | V | 0+**0 | 0+**0 | ** | V | 0+**0 | 0+**0 | ** | V | 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4、錨筋位于錨噴段隧洞拆除重建的底板,樁號0+**4~0+**2、1+**2~2+**6、2+**4~2+**9、2+**2~2+**0、2+**7~3+**7、3+**2~4+**7、4+**7~4+**5、4+**8~4+**9。 二、關(guān)于個別投標(biāo)人對招標(biāo)文件工程量清單中提供的混凝土拆除和C**鋼筋混凝土(底板)子目工程量與圖紙工程量存在理解上的差異,現(xiàn)明確如下: 1、投標(biāo)人投標(biāo)報價以招標(biāo)文件中提供的工程量清單為準(zhǔn); 2、施工樁號0+**4~0+**2、1+**2~2+**6、2+**4~2+**9、2+**2~2+**0、2+**7~3+**7、3+**2~4+**7、4+**7~4+**5、4+**8~4+**9。 三、其余內(nèi)容不變。 招標(biāo)人:四川丹巴富能水電開發(fā)有限公司 時間:****年**月**日 |