Here below are the steps on how to build a greenhouse with PVC. The choice of PVC piping material as used in electrical conduits and water pipes is specifically targeted to low income people in developing countries since the PVC materials are are inexpensive and readily available there.
16/09/2011 20:26 ngureco.hubpages.com by 2besure How to Build a Greenhouse with PVC rate or flag this pageTweet Uplifting Living Standards of People H ere below are the steps on how to build a greenhouse with PVC. The choice of PVC pi- ping material as used in electrical conduits and water pipes is specifically targeted to low income people in developing countries since the PVC mate- rials are inexpensive and readily available there. A greenhouse is ideal for growing crops in those areas where people live and water is a scarce resource. With a greenhouse, one can grow crops such as pep- How to Build a Greenhouse with PVC - Greenhouse pers, aubergines, tomatoes, cucumbers, cabbage, Construction for Low Income People spinach, kales, French beans, peas, herbs, etc, etc which should go along way in uplifting the living Define the Greenhouse That We standards of the people as they can feed on the crops Need they have grown as well as sell the produce to other markets to earn some extra revenue. We first define what we need as follows: Greenhouse Building Codes 1. A greenhouse that will withstand average wind speeds of 15 knots and winds that may gust all the Greenhouses can be setup just about anywhere only way up to 50 knots. if your local building codes allow this. If your land title deed is classified as ‘residential’ or ‘commer- 2. A greenhouse that will withstand heavy rainfall cial’, you will need to get permits from your local of 50mm per hour authority and environmental protection authority. If your land title deed is classified as ‘agricultural’, 3. A greenhouse that is easy to build and will fit you do not need any permits and you are encouraged within a budget of $350 to go ahead and put up greenhouses for intensive production of your crops. 4. A greenhouse that for the most part will be built using locally available materials of PVC pipes which joliprint are cheap and readily available even in remote places of developing countries. Printed with http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 1 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC Greenhouses Made With PVC Pipes Some Mathematics PVC Electrical conduits and PVC pipes are usually Looking at the diagram above, the radius of the produced commercially in maximum length of 20 half-circle is 14/2 equals 7’ which is the hypotenuse feet which is equal to 6.1 metres. That is the maxi- of the triangle shown. The height of our door is mum length of PVC pipes you will find in most hard- 6.75’ (equals 2.1 metres) which is the height of the ware stores. For a greenhouse to be constructed triangle shown. We want to calculate the base of from PVC pipes and be strong enough to withstand that triangle using Pythagoras theorem. rough weather, and be most economical in terms of space, it should have a base width of 12 to 14 feet. The square of base = (2.15 x 2.15) – (2.1 x 2.1) = 4.62 We shall make ours to have a base width of 14 feet – 4.41 = 0.21 which is equal to 4.3 metres; – the base length of the PVC pipes’ greenhouse can be made as long as you Length of base of triangle = square root of 0.21 = 0.46 may wish. The other thing is that the greenhouse should have a door tall enough for you to fit. Our 4.3 = (2 x Y) + (2 x 0.46) greenhouse will have a door of 2.1 metre in height. Y = (4.3 – 0.92)/2 Base Width of the Greenhouse Y = 1.69 metres which is equivalent to 5.55 feet We shall fold the PVC pipe so that it will curve upward like a half circle with a diameter of 4.3 metres. The Width of the door = 0.46 x 2 = 0.92 metres equals diameter of 4.3 metres will be the length of the base to 3.0 feet width of our greenhouse. This PVC pipe arc will be supported by the frame of the door as shown in the Choosing a Ground Site diagram below. Get a ground site which is at least 14 feet in width and with a length of at least 20 feet. The length of your greenhouse should be determined by how long you want it to be. The site should be free from the shading of trees and buildings as they will obstruct the lights that go into the greenhouse. Make sure the site chosen allows for good drainage and it’s not mash or soggy. Prepare it as you would prepare a garden so that you do away with weeds as weeds can latter become a big problem in the greenhouse. Base Width of the Greenhouse - Determine where Marking the Ground the door frame will support the PVC pipe arc. joliprint By use of a measuring tape and wooden sticks, mark the ground as shown in the diagram below. Printed with http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 2 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC Use Crowbar to Dig Deep Holes on Ground By use of a crowbar, dig four 2 feet deep holes as shown and marked in the ‘ground markings’ drawing above. You should then have bought the following: 1. 4 pieces of 4”x 2” timber each with a length of 2.71 metres (allow an extra 0.2 metres for error which Greenhouse - Marking the Ground with a measuring you can cut or dig more deeper if its too much) tape and wooden sticks. 2. 2 pieces of 4” x 2” timber each with a length of Get Yourself Some Tools - a 0.92 metres (allow an extra 0.1 metres for error Hacksaw and a Crowbar which you can cut if its too much) Once you have finished marking the ground, get Key Support to Entire Greenhouse yourself some tools namely a hacksaw for cutting Structure timber (lumber) and PVC pipes, a crowbar for dig- ging holes on the ground and a steel file or abrasive Place the four pieces of timber in each of the four paper for which you will use to smooth the sharp cut holes such that each is 2.1 metres above the ground. ends of timber and PVC pipes. These sharp ends of Take care to reduce that height by about 2” as you timber and PVC pipes if not smoothed out can tear will be placing another timber bar with a thickness the greenhouse polythene sheet which is expensive. of 2” on top of the four timber posts. Put the soil back on the holes and make it firm so that the posts will be strong and firm. It is however important to ensure that the part of the timber that is dipping in the soil is treated with fungicides or used engine oil to protect it from being damaged by insects. Using 4” nails, fix a 0.92 metres long timber bar on top of the two posts on each of the front and back sides. By use of a hack saw, cut the end of the post where the horizontal bar is fixed to the vertical post. Cut it from the outer side such that you will cut a wedge Build a Greenhouse - Get yourself some tools - a that is 1” deep and 1” wide as in B, shown in the hacksaw and a crowbar diagram below. The cut part will be the support for the 1.5” thick Sch 40 PVC pipe. This will now be the door frame which will act as the key support to the joliprint entire structure of your greenhouse. Latter on, as you grow your crops in your greenhouse, you will find the two door frames very useful as support for strings that you may add for support to your crops Printed with inside the greenhouse. http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 3 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC PVC Connectors PVC pipes have connectors that are used in exten- ding the pipes or in curving and connecting the PVC pipes round corners. The same are available in PVC conduits. When you are using 1.5” pipes, you connect the pipes using 2” PVC connectors. Check for the corresponding sizes for your pipes with your dealer. Building Cheap Greenhouse - fixing the door frame to fit with PVC pipes Buying PVC Pipes for the Greenhouse The roofing PVC pipes are 1.5” thick and 20 feet long. The spacing between one roofing arc pipe and the next is 3.5 feet. The length of our greenhouse is 20 Build Cheap Greenhouse - PVC connectors you will feet. This means we need 7 pieces of 1.5” thick PVC need. each 20 feet long; so we need to buy the following. Buying PVC Connectors and 1. 7 pieces of 1.5” thick PVC each 20 feet long. Ground Stakes 2. Add 2 more pieces of 1.5” thick PVC each 20 feet You will need to buy the following connectors and long for the two horizontal lengths. ground stakes: 3. The two horizontal widths will need 2 pieces of 1. 4 pieces size 2” 3–way PVC connectors for the 1.5” thick PVC each 14 feet long. four corners as shown by C in the greenhouse plan shown below. 4. Buy 7 pieces of 1.5” thick PVC pipes each 3.5 feet for use at the top as shown by E and F in the green- 2. Another 2 pieces size 2” 3-way PVC connectors house plan below for use in the two top ends as shown by F in the greenhouse plan shown below joliprint 5. Buy one tube of PVC glue 3. 5 pieces size 2” 4-way PVC connectors for the 5 6. Buy these items from your local hardware store top connections as shown by E in the greenhouse that is dealing with PVC electrical conduits or PVC plan shown below. You can substitute each of the Printed with water pipes. Buy the PVC pipes that are gray in color. 4-way connector by two T- connectors if the price When you are in that PVC store, buy the PVC glue is lower for the two. from there. http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 4 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC 4. Buy 14 pieces 12” long ground stakes/ground an- Greenhouse -Laying the PVC Pipes and Stakes on chor for holding the horizontal PVC pipes firmly on the ground. the ground, or you can improvise yours locally by using wood or timber. Below is an image of a ground Laying the Ground PVC Pipes and anchor that you can have a look at to fabricate yours. Stakes 5. Buy 0.25 kilogrammes of assorted nails 1”, 2”, Now lay the ground pipes as illustrated in the 4”, and 6” diagram above and do not forget to include the appropriate PVC connectors at the right spacing. Then fix the ground stakes but give room for final adjustments once you are through with fixing the greenhouse’s roofing PVC pipes. Fold the front PVC pipe as shown in the drawing and fix it to the 3-way connectors on the ground. By use of nails, fix the pipe in position G so that the pipe is firmly in place. And by use of a file, smooth the tops of the nails so that you do not have sharp end that can cut the PVC polythene sheet that will be put on top. Repeat the same for all the other PVC pipes just as shown in the drawing. Perhaps you may need someone to help you here. Use your ingenuity wherever you can. Finally, you will have everything in place as shown in the diagram below. Greenhouse - Ground stakes or anchors that you can buy or improvise by fabricating similar ones from local waste materials. joliprint Building cheap greenhouse - putting the entire structure in place. Printed with http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 5 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC Make Greenhouse Door and the door to the greenhouse supporting posts/frame Windows using small sized hinges. The door should be fixed on the front side of the opening. On the rear side, After this you need to make the greenhouse door and put two widows (one on top of the other) instead of greenhouse windows. You will need to buy cheap putting a door on that side. Two windows will give and thin timber size 0.25” thick by 2” wide that will you a better flexibility in controlling the humidity fit the dimensions of the door which are 6.75’ x 3.0’. and temperature inside your greenhouse. Total length of this timber should be (6.75 + 6.75 +3 +3) x 4 equal 78 feet since the door and window will needs double timber, with the UV protected polythene sheet being placed in between. Snap Clamp - use snap clamps to attach the UV pro- tected polyethylene to the PVC pipes. Snap Clamps Before you cover your greenhouse with the UV pro- tected polyethylene, you need to have enough snap clamps. You will use snap clamps to attach the UV protected polyethylene to the PVC pipes. Below is a picture of a snap clamp. You need to buy about 100 pieces of these from you PVC hardware store or you can make your own. By using a short piece of a 1.5” pipe, just cut out horizontally about 1/3 of the 1.5” PVC pipe and the remaining 2/3 part of the Build cheap Greenhouse - Making Greenhouse Door pipe can be used to attach UV protected polyethy- and Windows. lene on 1.5” PVC pipes. But you have to ensure the cut edges are smoothed to remove any sharp end Use UV Protected Polythene on that can tear the UV protected polyethylene. It is Doors and Windows however recommended you buy better ones from the manufacturers rather than making your own Cut the timber to fit the size of the doors taking into which may not work well as you would want. joliprint consideration the thickness of the outer frames of the doors which we had fixed earlier on. Cut the UV Buying UV Protected Polyethylene protected polythene sheet equal to the size of the Sheets frames made, and superimpose the polythene sheet Printed with in between the two frames, and by use of small nails To complete building your greenhouse, you need or screws join frames and UV protected polythene to cover it with a UV protected polyethylene sheet. to make a door. Do the same for the windows. Fix There are those UV protected polyethylene sheets http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 6 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC which are 4 mil and will last for 3 years. And there Laying the UV Protected are those UV protected polyethylene sheets which Polyethylene Sheet on the are 6 mil and will last for 4 years. The 6 mil UV Structure protected polyethylene sheets offer better value for money. Our green house has a top surface area of When you attach the PVC pipes with connectors, 20’ x 20’ equal 400 square feet. We need to add an you do not use the PVC glue. This is because you additional 30% to cover the front and rear sides, want your greenhouse to be easy to dismantle as the size that will hold it to the ground and wastage. you may in future need to move your greenhouse to This means we need about 520 square feet of UV another site. The PVC glue is hardly used here, only protected polyethylene sheets. in a few instances where you may fall short of a PVC pipe length and you may need to extend the pipe UV protected polyethylene sheets are usually sold with an additional short pipe. Lay the UV protected in width of 24 feet and you are charged per one foot polyethylene sheet appropriately to the structure length of the 24’ wide sheet. A sheet of 4 mil will you have build and attach it firmly to the pipes using cost about $2.5 per feet and a sheet of 6 mil will cost snap clamps. Your ingenuity and flexibility is called about $3.0 per feet. If we divide 520 by 24 we get 21 upon here. The UV protected polyethylene should be feet. This means we need to buy 21 feet length of the firmly straightened up without leaving sinks that can 24’ wide sheet of UV protected polyethylene for the hold water (or snow) when it rains. And finally you size of our greenhouse. At the price of $3.0 per feet, have your UV protected polyethylene in place. Leave we should be prepared to spend $63 on UV protected about 2 feet of the excess UV protected polyethylene polyethylene sheet for our greenhouse. You will buy covering on the ground which should be covered UV protected polyethylene sheets from your local with soil or bricks to secure your greenhouse in stores that are dealing with greenhouse, polythene, place. This should be done after you have done the plastic and insulation supplies. final tightening of the ground anchors. Recapping What You Need To Buy To Construct a Greenhouse for Low Income People We now recap what you need to buy to construct a Greenhouse for Low Income People. The prices indicated are approximate based on living standards in developing countries. A Greenhouse for $253.90 The materials to build the 14 feet by 20 feet Green- joliprint Constructing Greenhouse for Low Income People - house is $253.90. This cost can be reduced by making Your your UV protected polyethylene Greenhouse some of the items yourself. Things such as snap is finally in place clamps and ground stakes/ground anchors can be made from waste materials which you may get free Printed with from your backyard or whatever. Investing $253 for a greenhouse for the low income people in semi arid and dry areas is worth the prices as they can http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 7 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC be able to feed themselves and their families, as Get Money from Kiva to Build Your well as creating an income from selling the produce Own Greenhouse produced from their greenhouses. Kiva is a global micro finance whose main aim is Banks Do Not Like Poor People, But to connect people, through lending, for the wor- With a Good Reason thy cause of alleviating poverty to the low income people in the global community. Kiva supporters Crude as it may sound - $253.90 is a huge amount of include corporate such as Paypal, Google, Intel, Ya- money that can not be afforded by the low income hoo, Facebook, Microsoft, Purex, Cisco, Starbucks, people in developing countries. So what? Should etc, on one hand and institutional supporters such they remain hungry and poor just because they can as Clinton Global Initiative, Skoll Foundation, Hal- not afford $253.90? Actually, that is their problem, loran Philanthropies, Draper Richards Foundation, and it’s our problem too. Banks have all the money Microcredit Summit Campaign, Microfinance In- people can borrow. Banks makes a lot of profit by formation Exchange, Unitus global microfinance lending money to the people. Unfortunately, banks accelerator, etc, on the other hand. Kiva will lend do not like poor people but with a very good reason. you money, usually small amount ranging from $100 If a bank was to lend out small amounts of $253.90, to $ 1000 for you to improve on any project, such the bank will spend a very high cost per unit dollar as building a $253.90 greenhouse, for low income in trying to manage such small loans. This means people. Kiva’s money lending is free of interest but that the low income people have been denied cre- the money is not free as it has to be paid back. Kiva’s dit by natural circumstances, perhaps beyond their field partners will disburse a loan to you as soon as control because they do not have the know-how. you may need the loan. Kiva’s field partners are all over the globe, and it may be that person/NGO in Small Money Transfers Using your locality. Check Kivas website here if you might Mobile Phones for Small People be interested in such kind of money. Vadafone of UK, investing through Safaricom in Staring at the Blue Sky Waiting to Kenya, may have proved commercial banks very Die from Hunger wrong when they embarked on ‘small’ money transfer using mobile phones. The Safaricom mo- If you live in some wealthy localities, you may won- bile Money, popularly called M-PESA, is a mobile der why one should allow himself or herself to go phone application installed on a SIM card that allow through such a cumbersome system like that of Kiva, users to hold cash account with amounts ranging but if you reflect again on what goes on some parts from zero dollars to a few hundred dollars and of this planet, you may agree with Kiva that to very that money can be withdrawn anytime, anywhere many people in this world, getting financial credit and can be transferred from one handset user to is indeed a very difficulty experience. When you another, 24/7. Within just a few years, that systems live in a community where you do not have money, is handling more money than the total amount of and your neighbor does not have money, and the joliprint money handled by all commercial banks combi- next person does not have money, there is very little ned in that country – meaning that there is a huge you can do to yourself and your family, other than amount of small money that is usually held by the stare at the blue sky and wait to die from hunger. low income people that usually does not find its Printed with way to commercial banks. The aim of this article was to attempt to give the low income people the know-how on how to build a cheap greenhouse, grow crops to feed themselves http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 8 16/09/2011 20:26 ngureco.hubpages.com How to Build a Greenhouse with PVC and their families, sell some crops to generate fund, as well as find cheap financial credit for small amounts of money ranging from $100 to $1000 which commercial banks are finding very expen- sive and risky to loan to the low income people. Good luck. New 2010 Greenhouse 12’ X 7’ X 7’ Large Green House Garden Outdoor If you are in USA, you can try the “New 2010 Green- house 12’ X 7’ X 7’ Large Green House Garden Ou- tdoor” as a start before moving on to make your own greenhouse. This Greenhouse is an easy installation that should take you 5 Minutes to install and no tools will be required. It may cost you $60 at Amazon. The Author’s page is designed to help beginners and average readers make some money as an extra income to supplement what they may be earning elsewhere - details of which you can find in My Page, if you will. joliprint Printed with http://ngureco.hubpages.com/hub/How-to-Build-a-Greenhouse-with-PVC-Greenhouse-Construction-for-Low-Income-People Page 9
Pages to are hidden for
"How to Build a Greenhouse with PVC - Greenhouse Construction for Low Income People"Please download to view full document