QUESTION $3(13$ marks$)$

a$)$ You are tasked with developing a site investigation plan for a new high$-$rise building construction project. Explain your site investigation plan. $(8$ marks$)$

b$)$ A site investigation company has been contracted to retrieve samples for a site consisting of soft lightly overconsolidated clay for laboratory testing to determine the consolidation and strength properties of the clay. The company is currently experiencing difficulty in retrieve the samples using standard Shelby tubes due to the low undrained strength of the clay. Recommend one in$-$situ testing method that can be used to determine the strength and overconsolidation ratio of the soil in a continuous manner. Provide suitable arguments to support your recommendation $(5$ marks$)$