Trade size or smaller, the drain port may be an integral part of the building control valve in the form of a stop and waste valve and the drain port shall be located on the water distribution system side of the stop and waste valve. I blogged about how saddle valves are illegal products in Minnesota nearly five years ago on my website, but it's time for an update on that topic with some more information.
These are devices that allow for a very fast, cheap, do-it-yourself installation of a ¼” water supply line, typically used to supply water to ice makers and whole-house humidifiers. The needle just pokes a hole in the pipe, and I've heard it can be done without even turning off the water... not that I've ever tried.
These saddle valves are prone to leakage, and they're not allowed by the Minnesota State Plumbing Code. There is actually nothing in the Minnesota State Plumbing Code that specifically prohibits these types of valves ; they're just not approved.
Section 4715.0420 of the MN State Plumbing Code gives a list of approval standards. When installing an ice maker or whole-house humidifier, tap off of an existing water line with a proper tee fitting and have a proper shutoff valve installed.
There has been a saddle valve installed for the ice maker at my own house since I moved in over four year ago. I haven't touched it and it hasn't leaked, but I thought this would make for a nice little project where I could lay out the basic steps of replacing a saddle valve.
To replace a saddle valve or tee off an existing water line, start by obtaining the needed parts. I'm assuming the saddle valve is connected to a ½” copper water line.
If you're comfortable soldering copper tubing and you already have the equipment to do it, this project will cost about $10. Push fittings are extremely easy to use, requiring no special tools to make connections to copper, Ex, or CPC tubing.
This should leave a small gap in the water line, which you'll bridge with the tee fitting. Stick the short length of copper tubing into the open end of the tee fitting; this is what you'll need to connect the stop valve to.
FLIR has a relatively new pocket-sized infrared camera with all the bells and whistles of the much larger and expensive E6. I recently had an informative email exchange with a past client that highlighted the discovery of some especially nasty water damage behind the stone siding at her town home.
I thought she had such a great story to share that I invited her onto our podcast, which you can listen to below. This stuff is failing left and right all over the country, and most time the homeowner has no idea when their wall is a rotted mess behind the siding.
Take a look around any room full of home inspectors, and you'll notice we look a lot alike. It's as if there's an unwritten rule that you have to be an old white guy to be a home inspector.
It's all gross or creepy stuff we've seen over the past year as home inspectors. Been Never particularly happy with self piercing saddle valves but there are pretty common place for refrigerator ice makers, humidifiers, and similar appliances.
Exception: Saddle -type fittings can be used to connect refrigerator ice makers to an existing residential unit water distribution system provided the manufacturer’s installation instructions for the distribution piping do not prohibit the use of saddle fittings. Saddle fittings can be used to install thermal expansion tanks to an existing residential unit water distribution system if approved by the manufacturer of the tank.
Shutoff valves to water supplies for refrigerators with automatic icemakers shall be accessible on the same floor as said refrigerators. In my area they are used a lot to supply water to evaporative coolers.
They have to be turned off and water drained from the supply line every fall. Have a qualified plumber install a proper brass ball shut off valve.
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With a head office in Ontario Canada, the Team at JAG is honored to partner with Ontario Based Bosh art Industries to offer online customers unique, effective and hard to find parts of the highest quality. Manure storage are integral parts of the building systems on modern farms.
Adequate storage facilities are necessary to handle the larger volumes of manure wash water and contaminated runoff found on today's farms, save nutrients and reduce environmental risks. This Fact sheet provides general information about liquid manure storage, including design and safety considerations.
Any new or expanded liquid manure storage on a farm must meet a number of standards as specified in Ontario Regulation 267/03, as amended (O. Reg 267/03), made under the Nutrient Management Act, 2002 (NMA). The following Ontario Ministry of Agriculture, Food and Rural Affairs (OMA FRA) Fact sheets detail the requirements for the construction of permanent manure storage.
The steel bars resist the outward force of the manure when the tank is full. The concrete wall, due to its circular shape, resists the inward pressure of the earth when the tank is empty.
View of a concrete manure storage tank with a 1.5-m (5-ft.) high chain link safety fence. The straight walls of a rectangular concrete storage must withstand large stresses.
An improperly designed or constructed in-ground rectangular storage could fail by collapsing inward when the tank is empty. Ontario Regulation 267/03, as amended, requires all new or expanding manure storage be designed by an engineer.
These silos have limited capacity (less than 1,000,000 L) and are seldom constructed in Ontario today. Make immediate repairs to any problem, or decommission the tank and replace it with a new manure storage.
Concrete manure storage recommended today are usually 3.3–4.8 m (10–16 ft) deep and placed at least 50% in the ground. This greatly reduces the probability of sudden failure since the lower depth decreases the pressure on the sides of the tank.
Increase the design load factor for liquid loads to 1.5, or provide secondary containment with a capacity of at least 110% of the above-ground portion of the storage, or complete the professional engineer's report indicating that a secondary containment system is not required This rectangular-shaped sloped-wall storage usually has a depth of 3–4.2 m (10–14 ft) with 1:2 (rise:run) side slopes.
These professionals will provide expertise to ensure that adequate testing and proper construction techniques are used. There are further specifications in the regulation regarding the maximum hydraulic conductivity of soils suitable for earthen manure storage as well as minimum depths to groundwater and/or bedrock.
In areas where clay content is not sufficient, consider an artificial liner for an earthen storage. The solid matter content will be even lower in the final cell if there is a third storage included in the system.
A very large storage can be difficult to agitate making it hard to remove all the settled solids. Studies indicate that the elimination of fresh manure reduces pathogen levels substantially.
To ensure a level of protection for surface and groundwater, evaluate existing liquid manure storage structures regularly. In most cases, this may mean hiring an engineer or a qualified third party to ensure that the repair is completed properly.
267/03 requirements when a livestock building or manure storage facility is constructed or expanded. Some farms have constructed storage that will hold more than 240 days of manure accumulation.
This increase in storage capacity allows flexibility in the timing to empty the tank during desired crop cycles and weather conditions. One downside of over-building the manure storage is that a larger surface area collects more rainwater, increasing the amount of liquid that must be land-applied.
OMAFRA's manure management computer program, Man, can help with sizing calculations. Many operators prefer a 3.6 m (12 ft) depth (or deeper) since this reduces the precipitation and freeboard requirements to 19% (or less) of the storage volume.
In most cases, commercially available agitation systems are capable of removing all the solids from the storage, eliminating the need of access. Vehicle access also increases risks related to manure gasses.
Locate the storage to be easily accessible and convenient to the fields receiving manure. For a tanker application system, a solid roadbed is necessary to support heavy spreading equipment.
Screening such as fences or tree lines can help reduce the odor impact of manure storage. It is also important to note that Minimum Distance Separation (MDS) requirements for manure storage differ from siting distances for a livestock barn and depend on the type of storage.
In most cases, the MDS calculation is required as part of the building permit process. The ground should slope away from all storage to provide drainage of surface water.
Avoid vehicle traffic within a distance of the storage equal to the depth of the storage below grade, unless the access is on a reinforced concrete ramp or platform designed to support or distribute the weight. For more information on biogas systems, see the OMA FRA Fact sheet, Anaerobic Digestion, Order No.
This may consist of a partially slatted floor system or a shallow pit under the barn. A liquid manure storage located separate from the barn is the most common.
However, some operations now locate the long-term storage away from the barn, in the center of the spreading land base. Covering the storage reduces odor around the farmstead as well as the amount of precipitation entering the tank, resulting in a 15%–35% reduction in liquid volume.
Economics, siting requirements and the owner's preference influence the choice of cover. However, a conventional concrete cover may double the construction cost compared to an open-top tank.
The trapped gases produced during agitation under the storage cover may unintentionally be pulled from the tank to the barn through the transfer pipes (Figure 4). (2) require that covered manure storage be either mechanically or naturally ventilated to eliminate corrosive, noxious or explosive gases.
Remember that this cover is there for a long time; plan for heavier equipment you may acquire in the future. If a cover with an unknown design is on a farm, it is wise to assume that it will not hold the load.
It acts much like an air structure used to cover tennis courts or sports fields. This type of cover acts like a bio filter and reduces odors emitted from the storage.
In some types of farm operations, manure storage swill have moderate input of bedding from the barn. Organic covers are temporary; they are chopped up and mixed in with the manure during storage agitation.
Insufficient coverage may result in the organic cover being blown away or sinking into the liquid. The simplest and most common approach is a gravity-flow pipe system, which requires the bottom of the tank to be set at least 3 m (9 ft) below the lowest point or gutter in the barn.
Avoid sharp corners or transitions in the pipe to reduce the chance of plugging. For large diameter pipes, a 60-cm (2-ft) minimum fall is required between the lowest gutter level in the barn and the top elevation of the tank.
The remaining liquids can be handled similarly to highly dilute manure. An anaerobic digester will also remove solids allowing for easier transfer of manure.
Make sure adequate electrical power is available to operate both the stable or alley cleaner and the transfer pump. If the final storage holds liquids at a higher level than the lowest point in the barn, take proper precautions to avoid any possibility of inadvertent backflow.
The safest method is to have an air gap between the outlet of the transfer pipe and the main storage. A portion of riser pipe may remain full at the transfer tank and must be protected from freezing (Figure 8).
267/03 requires that liquid manure transfer piping systems be installed using specifically designed and compatible gasket ted fittings such as tees, saddles, end caps and elbows. Where the pipe enters into the floor or wall of the manure storage, a flexible watertight gasket or membrane must be installed to serve as an anti-seepage collar.
All farms should have preventative maintenance plans that include all maintenance schedules for machinery, barn mechanical components, barn, field tiles and outlets and manure structures, etc. Conduct a preventative review for the manure storage structures at least once a year.
This preventative maintenance plan can include the examination of the concrete tanks for cracks, fence and gate conditions and functionality, checking inlet pipes and the concrete condition around them, valves and transfer pipes if included, etc. Never enter a liquid manure tank without taking proper precautions for confined space entry(contact the FarmSafety Association for information on confined space entry).
To address the safety concerns created by construction of a liquid manure storage system: Enclose all open liquid manure storage with a permanent safety fence or wall extending to not less than 1.5 m (5 ft) above adjacent grade or floor level and having gates with latches to deter access by children and livestock.
Install covers over access ports of all manure tanks with tops. To discourage entry, do not install permanent ladders in a manure tank.