Power Transmission Project Survey & Design

Transmission Line Design involves route selection, reconnaissance survey, earth resistivity test, preliminary survey etc. SELECTION OF ROUTE. The route of a transmission line is decided from the following main considerations.

PRELIMINARY SURVEY REPORT

• (i) CONTENTS OF PRELIMINARY SURVEY REPORT
• (ii) SCHEDULE OF ANGLE POINTS
• (iii) ROUTE ALIGNMENT MAPS
• (iv) SCHEDULE OF VARIOUS TYPES OF TOWERS
• (v) INFRASTRUCTURAL FACILITIES AVAILABLE
• (vi) SKETCH OF ANGLE POINTS
• (vii) ESTIMATE OF LINE MATERIALS

DETAILED SURVEY

• (i) LEVELLING
• (ii) PLAN AND PROFILE
• (iii) TOWER SPOTTING AND SAG TEMPLATE
• (iv) CHECKING OF PROFILE DRAWINGS
• (v) CHECK SURVEY
• (vi) FINAL ALIGNMENT AND PEGGING OF LOCATIONS

ALL CROSSINGS

MAJOR CROSSINGS AND CIVIL AND MILITARY ESTABLISHMENTS

(ii) RIVER CROSSING

(iii) RAILWAY CROSSING

(iv) NATIONAL HIGHWAY/ROAD CROSSING

(v) POWER LINE CROSSING

(vi) COMMUNICATION LINE CROSSING

(vii) FOREST CROSSING