When the project needs evidence preparation, technical judgement or confirmed professional scope in this lane.
PROFESSIONAL SURVEYING SERVICE
GPS Control Network Surveying
Review the service scope, required information and expected output below.
Scope, fees and delivery arrangements are confirmed before work begins.
Infrastructure & Engineering
GPS Control Network Surveying
🛰️ 專業GPS控制測量與坐標系建立服務
為大型工程項目、城市測量、土地調查提供高精度GPS控制網建立和坐標系轉換服務。採用RTK/靜GPS技術，符合國家測繪規範。
📊 核心服務內容
- GPS控制網建立 - 一級/二級/三級控制網設計和測量
- 坐標系轉換 - WGS84/CGCS2000/地方坐標系轉換
- 高程系統建立 - 水準測量建立高程基準
- 控制點埋設 - 永久性控制點標誌埋設
🎯 應用場景
- 大型工程 - 高速公路、鐵路、橋樑控制測量
- 城市測量 - 城市坐標系統建立和維護
- 土地調查 - 大範圍土地測量控制網
- 變形監測 - 提供穩定的基準點系統
⚙️ 技術規格
- 📐 測量精度 - 平面±5mm，高程±10mm
- 🗺️ 坐標系統 - CGCS2000/WGS84/地方獨立坐標系
- 📊 成果格式 - 坐標成果表、轉換參數、CAD圖檔
- ⏱️ 交付時間 - 10-20個控制點約10-15天
- 📝 成果資料 - 測量報告、平差報告、點位圖
Service Decision Guide
Prepare the location, project context, documents, images, drawings and the core issue.
Clarify evidence gaps, service direction and expected outputs before formal scope is confirmed.
It does not promise formal outputs before evidence, scope and commercial terms are verified.
Standard Service Pathway
Confirm the location, project stage and decision issue.
List documents, images, drawings and evidence gaps.
GLG identifies the appropriate scope and professional team.
Confirm outputs, timing, pricing and professional responsibility separately.