APOCALYPSE: Lamenters Battle Company?

I have a month to build, paint, base, and design a 121 model force:

• Pedro Kantor (representation)
• Masters of the Chapter (represented items, Artificer Armour, Teleport Homers)
• 10 Sternguard Veterans with Sergeant (Power Weapon, Plasma Pistol), 2 Power Weapons?
• Captain with Power Weapon, Storm Shield, and Artificer Armour
• 10 Tactical Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Flamers
• 10 Tactical Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Flamers
• 10 Tactical Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Meltaguns
• 10 Tactical Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Meltaguns
• 10 Tactical Marines with Sergeant (Power Weapon, Plasma Pistol), Meltagun, Flamer
• 10 Tactical Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Meltaguns
• 10 Assault Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Flamers
• 10 Assault Marines with Sergeant (Power Weapon, Plasma Pistol), 2 Plasma Guns
• 5 Vanguard Veterans with Sergeant (Relic Blade), 4 Thunder Hammers + Storm Shields
• 10 Devastator Marines with Sergeant (Power Fist, Plasma Pistol), 4 Missile Launchers
• 10 Devastator Marines with Sergeant (Power Fist, Plasma Pistol), 4 Heavy Bolters
• 5 Sternguard Veterans with Sergeant (Power Weapon, Plasma Pistol), 2 Power Weapons?
• Vindicator Linebreaker Squadron (HK Missiles, Extra Armour, Dozer Blade, Pintle Storm Bolter)