<p>SBFS(FM&lt;0.50): Providing Single layer brick flat soling (BFS) with 1st class or picked bricks, true to level, maintaining camber/super elevation and grade including carrying bricks, filling the interstices tightly with locally available sand (passing &lt;=15% through#200 sieve), etc. all complete in all respect as per approved drawing, specification and direction of the Engineer-in-charge.</p>