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Agricultural Greenhouses: Methodology and Construction

11.02.2014
Regis Eder Neu

Stage 7 – Drilling holes in the 4-inch PVC columns

In this phase we will drill holes in the 4-inch PVC pipes (columns) and for that we recommend using a template to facilitate marking and drilling (Photo 86). Drilling the columns is necessary to make it possible to fasten the greenhouse wooden structure with bolts. The holes are to be drilled from the inside and in line with the brick/block foundation (Photos 87, 88 and 89). The larger end of the bolts is to remain in the inner side of the column (Photo 90 and 91) to make it possible to secure the wood frame. Photo 92 shows the correct position the drilling must follow.

Materials used in this stage: ladder and power drill

Photo 86 Template for marking and drilling 4-inch PVC columns
Photo 87 Position of template for marking and drilling 4-inch PVC columns
Photo 88 Position of template for marking and drilling 4-inch PVC columns
Photo 89 Drilling on the mark
Photo 90 Screw placed from inside out
Photo 91 Screw placed from inside out
Photo 92 Position and direction of drilling
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About the organisation

CIDADES SEM FOME (CITIES WITHOUT HUNGER) is a non-governmental organization (NGO) which has set up sustainable agrarian projects in urban and rural areas based on organic farming. The aim is to help and teach people to manage their own business and become financially independent. Community Gardens, School Gardens and Agricultural Greenhouses have been developed on unused and neglected public and private areas within social focal points to provide jobs and improve the diets of adults and children. In 2009 the Small Family Farms Project, the organizations fourth project, has been set up in Rio Grande do Sul, to train farmers in multiple cropping as an alternative to monoculture and help them starting new businesses in organic farming.

CITIES WITHOUT HUNGER was founded in 2004 in São Paulo by Hans Dieter Temp, who has a degree in Business Administration, and is a Technician for Agriculture and Environmental Policies. In 2013 Hans Dieter Temp was selected and awarded with the title Social Entrepreneur “Changemaker” by Ashoka. CITIES WITHOUT HUNGER has received numerous national and international awards, such as the Milton Santos Award in 2014, created to honor entities and people who have contributed with the city of São Paulo. In 2012 CITIES WITHOUT HUNGER was selected by Caixa Econômica Federal for its commitment to the realization of the UN-Millennium Goals. The organization was also awarded with the Dubai International Award for Best Practices 2010 (UN-HABITAT).

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Cover Photo: Timour Chafik/studiomonaco. Translation (English & Portuguese): Katarzyna Fayterna.