【正文】 ........................... 15 管道穿跨越 ........................................................................................ 15 線路附屬設(shè)施 .................................................................................... 18 主要工程量 ........................................................................................ 19 附圖要求 ............................................................................................ 21 2 6 輸氣工藝 ................................................................................................... 22 工藝參數(shù) ............................................................................................ 22 工藝系統(tǒng)計(jì)算 .................................................................................... 22 管道適應(yīng)分析 .................................................................................... 23 附圖要求 ............................................................................................ 23 7 線路用管 ................................................................................................... 24 材質(zhì)等級選擇 .................................................................................... 24 管型選擇 ............................................................................................ 24 線路用管方案和用鋼量 .................................................................... 24 管道強(qiáng)度及穩(wěn)定性校核 .................................................................... 25 8 輸氣站場 ................................................................................................... 26 站場設(shè)置 ............................................................................................ 26 站場工藝 ............................................................................................ 26 主要設(shè)備選型 .................................................................................... 27 站場工藝用管 .................................................................................... 28 主要工程量 ........................................................................................ 28 附圖要求 ............................................................................................ 28 9 管道防腐 ................................................................................................... 29 基礎(chǔ)資料 ............................................................................................ 29 防腐層的選擇 .................................................................................... 29 陰極保護(hù) ............................................................................................ 29 干擾防護(hù) ............................................................................................ 30 主要工程量 ........................................................................................ 31 10 自動控制 ................................................................................................. 32 自動控制水平 .................................................................................. 32 自動控制系統(tǒng)方案 .......................................................................... 32 流量計(jì)量與壓力監(jiān)控 ...................................................................... 33 控制室 .............................................................................................. 33 儀表選型 .......................................................................................... 34 儀表供電、供風(fēng)及接地 ................................................................... 34 3 主要工程量 ...................................................................................... 34 附圖要求 .......................................................................................... 35 11 通信工程 ................................................................................................. 37 管道沿線通信現(xiàn)狀 .......................................................................... 37 通信業(yè)務(wù)需求預(yù)測 .......................................................................... 37 通信技術(shù)方案 .................................................................................. 38 主要工程量 ...................................................................................... 39 附圖要求 .......................................................................................... 40 12 供配電工程 ............................................................................................. 41 電源情況 .......................................................................................... 41 用電負(fù)荷統(tǒng)計(jì) .................................................................................. 41 供配電方案 ...................................................................................... 41 主要設(shè)備及工程量 .......................................................................... 43 附圖要求 .......................................................................................... 43 13 公用工程 ................................................................................................. 45 總圖運(yùn)輸 .......................................................................................... 45 給排水 .............................................................................................. 46 熱工和暖通 ...................................................................................... 49 建筑與結(jié)構(gòu) ...................................................................................... 51 維修和搶修 ...................................................................................... 52 14 消防 ........................................................................................................ 53 消防設(shè)計(jì)原則 .................................................................................. 53 生產(chǎn)區(qū)消防 ...................................................................................... 53 輔助生產(chǎn)區(qū)及生活區(qū)消防 ............................................................... 53 消防用水量 .........