![]() ![]() Philadelphia, the Place that Loves You Backīecause of Greater Philadelphia’s position as a political, cultural, and economic hub, the region’s residents have often found their daily lives deeply affected by times of national crisis. Civil defense, generally defined as local voluntary programs designed to protect civilian life and property during times of conflict, has taken many forms: militia, home defense, civilian defense, civil defense, and in the early twenty-first century, emergency response.If you purchase these poles, instead of chopping them down yourself, you're looking at an average cost of about $20 per log, or $400 for 20 logs. The poles should over-hang the edges by at least a foot in order to help support the soil on top. Step 4: Once you've dug your trench, lay your wooden poles over top of it. A basic 3-by-11 foot waterproof tarp should run you between $20-$40. Step 3: When completed, place waterproof material over each end of the shelter to form an overhead canopy - this should keep your shelter dry as well as catch any dropping fallout. It should be about two feet wide by three and a half feet deep - it's basically a crawl space and can double as an emergency exit for smaller individuals. Dig this trench just under the ground's surface with an opening to the surface at the end of it. At the other end of the trench, dig a five-foot-long ventilation trench to help circulate air. ![]() ![]() Step 2: Next, dig a five-foot-long entrance with steps or a slope down into the main area. Account icon An icon in the shape of a person's head and shoulders. ![]()
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