Scope of Work:	GPR Investigation to map underground Void and Leakage detection up to depth of 3m.
Location:	Inside the T5 tunnel.
Client:	L&T.
Equipment:	GSSI SIR 4000 equipped with 400 MHz center frequency antenna.
Challenges:	Machine movement at Crown area of tunnel.
Summary:	The scope of the project includes the mapping of voids using non-destructive Ground Penetrating Radar (GPR) technology at T-5 Tunnel in Reasi, J&K. The survey has been conducted in the month of May 2022. The scope of the work includes the mapping of voids and probable leakage in the crown and side-walls of tunnel. The survey has been executed using 400 MHz center frequency antenna mounted with GSSI SIR 4000 GPR systems.