{ "item_title" : "Off-Grid Water for Beginners", "item_author" : [" Mahmoud Osama "], "item_description" : "How big a tank? How much roof? What pump? Most off-grid water books are survival books. They tell you water matters, list a dozen ways to find it, and stop exactly where the useful part begins. They never tell you whether your roof can supply your household, how big your tank must be, or what pump and pipe to buy. This one is a design manual, written by a licensed engineer, with the real numbers worked all the way through. YOU'LL LEARN HOW TO: Build a water budget from your actual fixtures, not inflated averagesCalculate what your roof collects, month by month, and check the year adds up before you spend a dollarSize your tank with a monthly water balance - the core method most books skipWork out tank weight, siting, overflow, and first-flush diversionCalculate gravity pressure, pump head, and pipe friction - and see why one pipe size can cost a third of your pump's workSize a pressure tank, chain your treatment stages, and calculate solar pumping energyPlan for wells as backup, cold climates, drought years, and the real cost per gallonEVERY CALCULATION IS WORKED IN FULL, with practice problems and complete solutions. The book closes with a complete two-person cabin system designed from scratch, a formula reference, and blank design worksheets. A design manual, not health or legal advice. Drinking water must be treated and tested to your local health authority's guidance.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/9/79/816/572/9798165725838_b.jpg", "price_data" : { "retail_price" : "19.99", "online_price" : "19.99", "our_price" : "19.99", "club_price" : "19.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

Overview

Customers Also Bought

Details