Well it seems like a toughy, but surviving 10 minutes in this map to get gold standard wasn't difficult. Atleast have 2-3 active players that can cooperate and follow instructions, cause if they don't. they'll mess the whole plan up. Then go to the end point of the map on the highest floor where the humvee is. Gather all gas cans there, and use one by one. Don't use them all up at once.

Put one gas can some inches away from the first tent and near the corpses. Each time a tank is near, light it up (shoot it). A tank will take more damage and be easier to kill. make sure to have extra ammo and guns.
Each time one gas can is used, replace with another. If you keep repeating this cycle, you'll find yourself surviving a pretty long time. stay alive.

also, bring up the explosive and fire rounds up, and leave them under the tent, ready to grab. Keep a molly at hand incase the gas cans run out, they work as back up. Also, if you need extra ammo, bring up some guns. By spamming "e" with 2 different guns, that arent the ones near the humvee. (m16, automatic shotty, silenced smg) you can also bring up pills by spamming "e" with a shot at hand. If you dont believe this method, just ask me, or my friend Patchy. Thank him for this genius idea. I just helped to make it progress.

Tips: Use a long range firing gun, keep a melee at hand for close combat, use a molotov incase gas cans run out.

If it all works out, you'll be at the 10 minute mark in no time, and one more thing.
always stay on the roof of the tent, and sometimes go under it for safety while a tank is ignited.

Follow these tips, and say hello to hold standard time. This applies to tanks mostly, but if you get the tanks, then the rest is easy

Thanks to:
- Veteran Kat
- Patchy

tips:
-getting all the fire and explosive ammo and using it under the tent works. Helps ignited the tanks or doing massive ammounts of damage incase your out of gas cans.
-get all of the propane as well, not the same as gas cans, but it can be a back up and can do a good ammount of damage too.
-Molotovs work as a substitute for gas cans, instead of getting a pipe bomb or vile. molotovs are best, wipes out a bit of the zombies and ignites the tank along with them. good to stall a bit.
-keep 2 survivors in the front, incase the enemies spawn in the back near the gas cans. if this happens, abort the area until they have left.