【正文】 ......................................1 設計范圍及分工 ..........................................................................................2 主要工程量 ..................................................................................................22. 建設背景 .............................................................................................................3.......................................................................................................4 光纜分配箱位置及箱內配置說明 ...............................................................4 小區(qū)光纜接入說明 .......................................................................................4...................................................................................5 架空桿路一般要求 ......................................................................................5 光纜敷設一般要求 ......................................................................................5 ODN 全程衰減核算 .....................................................................................5 FTTH 光纜的一般要求 ............................................................................... 6 管道光纜的敷設安裝 ..................................................................................7 入戶光纜敷設 ..............................................................................................8 光分路箱安裝 ...............................................................................................8 光分路器的選擇與安裝 ...............................................................................9 局內光纜的敷設安裝 ..................................................................................9 光纜的接續(xù) ..............................................................................................10 光纜的預留 ...............................................................................................10 光交接點的安裝 .......................................................................................11 分纖設備的安裝 .......................................................................................12.............................................................................12 線路防強電、防雷影響的措施 ..................................................................12 防機械損傷 .................................................................................................12.....................................................................................................12.............................................................................................................13ii / 26.....................................................................................................14 管道材料、管型的選擇及技術要求 .........................................................14 主要技術標準及建筑要求 ........................................................................14 通信管道竣工驗收指標 ............................................................................14 其他有關問題的說明 ................................................................................14.................................................................................................13二、預算 ..................................................................................................141. 預算編制說明 ...................................................................................................14 概述 ............................................................................................................14 預算編制依據(jù) ............................................................................................14 有關單價、費率及費用的取定說明 .........................................................14 工程投資及經(jīng)濟分析 .................................................................................15.............................................................................................................15