Bid process coordinator REC Power Development & Consultancy Ltd (RECPDCL) has begun the process of empaneling survey agencies for power transmission projects being implemented under the tariff-based competitive bidding (TBCB) route.
RECPDCL is currently inviting technical and financial bids for empaneling survey agencies for carrying out route alignment, LiDAR (light detection and ranging) and photogrammetry survey of transmission lines using drones, and preparation of survey reports.
These survey agencies will be associated with RECPDCL for interstate and intrastate transmission projects being implemented under the TBCB philosophy, and for which RECPDCL has been appointed as the bid process coordinator.
By current timelines, the last date for submission of technical and financial bids is July 4, 2026.
As per the tender documents, the incumbent survey agencies are expected to carry out the following services:
Stage 1: Preliminary survey of the transmission lines and substation
- Identification of minimum four alternate sites for each substation
- Desk studies, site visits, reconnaissance and walkover survey for route alignment of overhead transmission lines in the following designated areas across India:
- Plain areas (all areas with altitude up to 2,000m above mean sea level (MSL)
- Hilly areas (all areas with altitude between 2000 to 3000m above MSL
- Mountainous terrain in Leh, Ladakh & similar terrain (altitude beyond 3,000m above MSL)
- Identification and demarcation of various features along the route of transmission lines, including but not limited to forest areas, water bodies, railway crossings, national highways, HT/LT crossings, telecom line crossings, habitations, CRZ/eco-sensitive zones etc.
Stage 2: LiDAR & Photogrammetry Survey of the transmission lines and substation
- Aerial LiDAR and Photogrammetry survey using Drones
- Orthophoto generation
- DSM (digital surface mode)/DTM (digital terrain mode) generation
- Preparation of GIS database
The qualified bidders will be empaneled by RECPDCL for an initial period of Two Year from the date of issue of empanelment order, subject to conditions.
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