So... are "grenades" the Mk. 9s (frags) and "demos" the MK. 23s (anti-tank)? If what grenades do squads have?
Right, vertical axis is numbered, from the top of it. Horizontal axis is lettered, from the 0,A point (Top left)
With that in mind, and using TopHat's troop composition, modified so that each squad has rifles and someone who can fight tanks (platoon one has grenades, platoon two has AT projectors), with a mortar team and a sniper as support, I propose that Platoon Two starts at 29,F (bottom left, near those buildings), Platoon One starts at 6,G, and the support troops (mortars and sniper) start at 17,B and 18,B. That way, if the bluish grey is a road, we can setup troops covering it and the southern bridge while the others cover the northern bridge, since we are probably going to get told to keep those bridges intact.
First of all, we're facing a town militia, why would they have a tank? PLAT teams cost as much as a 8-man rifle squad, or a L.Arno team. If we don't reasonably expect to need them, let's get more grenadiers (they are useful in semi-urban settings, and can serve as an AT unit if shit comes to fan).
On a more tactical note, I don't see much point deploying between two rivers (unless you want to ford them, with a functional bridge not 50 meters seaward?) So, I would either deploy at 2G and head for the bridge, or forgo the top altogether, if you think it's an ambush.
I'd also like to deploy a Larno team at 29F to immediately take the building at 29H- there's a great open space we need to cross, perfect for provining fire support with a machine gun.