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- Storm-Ready Design > Episode 12: Hurricane-Safe Pool Structures, Pool Mechanicals, and Safety
Swimming Pool Filtration, Sanitation, and Lighting
Starting with the code-compliant pool cage, Bob watches the crew construct an aluminum frame built from blueprints and attach it to permanent structural roof gutters on the house and structural load-bearing columns screwed into the concrete pool deck. This fully screened, aluminum pool cage is engineered to withstand a wind load of 130 mile per hour (mph). Bob Reeves from Blue Haven Pools shows Bob the state-of-the-art microban filtration system that combats mold and fungal growth and lasts up to five years with annual cleaning. The copper and silver sanitation system kills bacteria and germs through oxidation and is 80 percent free of chlorine. The completed pool has an LED lighting system with five colors and multiple light shows. The Baby Barrier Pool Fence is removable when children are not visiting, easily stored, child-resistant, and designed to withstand up to 80 pounds of pressure against it. Finally, the lanai is made hurricane-proof with geosynthetic textile fabric from Armor Screen attached with bolts and clips at the top and bottom. This screen will reduce 100 mph winds to 3 mph behind the screen. With rain, wind and debris are completely blocked, making the lanai a hurricane-safe space that satisfies code requirements.
- Part 1: Swimming Pool Filtration, Sanitation, and Lighting
- The pool cage is being constructed at the Punta Gorda home. This screened, aluminum structure is rated to withstand a wind load of 130 miles per hour. A construction blueprint shows how beams and support members will be attached. All pieces are custom cut at the factory. Structural gutters on the house receive the beams in reinforcing channels. The strength of the structure comes from the shapes that distribute the weight load to load-bearing columns drilled into the concrete deck. Cross-bracing on the panels is done with aluminum gusset plates and screws. The doors are checked to be sure they hang right before the screen is inserted. Keeping the screen square to the door frame will allow screening or rescreening to go smoothly and look good. When inserting the screen with the splining tool, hold the screen fabric taut and square to ensure that there are no bubbles on the screened surface. Bob Reeves from Blue Haven Pools joins Bob to review the advanced pool cleaning and filtration systems. The 450 square foot microban filtration system has four paper cartridges for a longer cleaning cycle. The filters need only be cleaned once per year rather than monthly. The sanitation system is a copper-silver device that is virtually chlorine free. Trace amounts of chlorine are required to activate the system, but it cleans the water by killing bacterial, oxidizing the solids and dispersing them. A heat pump is also installed to allow cool-weather swimming. The electric heating unit has advanced heat exhangers for efficient operation. The LED pool-lighting system has five different colors and multiple lighting scenes for evening light shows.
- Part 2: Removable Swimming Pool Safety Fencing
- Part 3: Hurricane Protection for Porches, Windows, and Doors
When hurricanes strike again and again, as they did in Florida in 2004, the effects are devastating. Bob Vila and crew work to completely rebuild a damaged house, using new standards for storm-ready housing. Along the way, Bob investigates a home's vulnerabilities in extreme weather and learns why some building systems fail and others succeed.
Also from Storm-Ready Design
Bob is in hurricane battered Punta Gorda, Florida, to build a storm-ready home in Season 1 of Bob Vila. Bob visits two homes in the same neighborhood, one that was completely destroyed by Hurricane Charley in August 2004, the other that was built to exceed hurricane codes and was left unscathed by hurricane winds and water from the same storm. Scott Buescher of Mercedes Homes shows how enhanced building practices and technologies can create a storm-resistant home, while Lieutenant Governor Toni Jennings and Secretary of Community Affairs Thaddeus Cohen discuss rebuilding Florida. Building inspector Randy Cole and Mercedes Homes’ Jesse Gonzalez review the site and watch the pour of a three-stage steam wall that sits below grade and ties the slab foundation to the ground. The resulting foundation will resist water penetration from storm surge by allowing water to move around the foundation without encountering entry points. Bob reviews the house plans with Scott Buescher of Mercedes Homes and learns how the house is constructed as an integrated system. Building connections are emphasized and reinforced rebar and steel mesh are extended from the stem wall to the roof line in preparation for the solid concrete pour that will form the exterior walls.
Bob recaps construction of the stem-wall foundation and integral concrete slab, the vertical steel reinforcing, steel mesh, window bucks, headers, and spacers put in place for the cast-in-place concrete walls. Cameron Parker and the crew of Solid Wall Systems spray the aluminum wall forms with an organic oil spray to prevent adhesion from the concrete and set the forms for the pour. Bob joins Wayne Sallade, Charlotte County Emergency Manager, to review cleanup, demolition, and repair one year after Hurricane Charley. sallade explains that housing built in the 1960s through the 1980s, before the Florida Unified Building Code, had stick framing, gable roofs, and siding. "It didn't stand a chance," he says. Looking at surviving 1920s Florida architecture, it's clear that unified construction, concrete walls, protected windows, and hip roofsare the way to design wind-resistant homes. Back on site, bob watches the pour, learns how the walls and window openings will be vibrated to eliminate voids, and sees the bracing set to hold the walls square before leaving the site to let it cure overnight. Once the forms are removed, Jesse Gonzalez explains how a traditional three-coat Florida plaster job will complete the exterior once the structure has cured for two weeks.
This episode of Bob Vila will focus on roofs, how they are built and tied down to keep structures safe. Leslie Chapman-Henderson from FLASH, the Federal Alliance for Safe Housing, explains how FLASH brings information about safe housing technologies and practices to homes across America, to protect them against floods, winds, hail, and wildfires. Chapman-Henderson explains how a connected house works as a system to beat back the pushing and pulling forces of wind. Randy Shackelford of Simpson Strong-Tie shows Bob the embedded truss anchors that will tie down each truss member of the roof framing, as well as retrofit tie-downs and heavy connectors designed to fight wind uplift forces. Jesse Gonzalez walks Bob through the steel-framed interior that has a master suite and bath, and lots of open space. Bart Cox of Hanson Roof Tiles brings factory-extruded cement clay-look tiles that are pre-drilled for mechanical installation. Dave Peck of D. Peck Roofing explains that stiffer 5/8-inch plywood sheathing, 30 pound felt that is nailed, hot mopped with asphalt, and covered with 90 pound felt makes a strong, water-resistant roof deck for the tiles. Metal nailer boards keep cap tiles in place when wind strikes.
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