Yard Sprinkler

 Contech CRO101 Scarecrow Motion Activated Sprinkler

Contech CRO101 Scarecrow Motion Activated Sprinkler
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Thursday, May 9, 2013

Fire Department Connection - A Crucial Piece of Fire Protection Equipment

Fire Department Connection - A Crucial Piece of Fire Protection Equipment





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If you have been involved with the fire protection industry for any length of time, you have probably heard the phrase "fire department connection" or "FDC" more times than you can count. But, what exactly is a fire department connection? The term can be used to describe any number of building connections designed to supply water during a fire.

Most commonly, a fire department connection consists of a brass body with two, three, or four 2½" inlets for the fire department to connect hoses to. Generally, water is pumped into the connection to supplement the building's fire sprinkler or standpipe system. In most cases each inlet has its own clapper, or check valve, that will only allow water to move in one direction, into the building. Connections usually fall under one of three categories: exposed, flush mount, and free standing.

1. Exposed FDC - You'll see these mounted to the wall of a building. Usually, they are backed by a decorative ring, or escutcheon plate, indicating its intended use: automatic sprinkler, standpipe, or standpipe & automatic sprinkler.

2. Flush Mount FDC - This type of connection consists of a body mounted behind the wall of a building with only the escutcheon plate and inlets visible on the outer wall.

3. Free Standing FDC - These are normally found on the sidewalk in front of a building. A pipe will be protruding from the ground with the connection mounted to the top at a 90 degree angle, so the inlets are facing out in the normal configuration. In the free standing application the escutcheon plate will be resting on the ground around the pipe. In visible areas, a decorative sleeve is often placed over the pipe to match the finish of the FDC.


Fire Department Connection - A Crucial Piece of Fire Protection Equipment


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Sprinkler

Fire Department Connection - A Crucial Piece of Fire Protection Equipment



Fire Department Connection - A Crucial Piece of Fire Protection Equipment
Fire Department Connection - A Crucial Piece of Fire Protection Equipment



Sprinkler

Tuesday, April 23, 2013

Maintenance of Sprinkler Systems

Maintenance of Sprinkler Systems





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Your sprinkler systems need to be flushed out in the spring before regular usage. This not only includes your regular sprinkler systems but also any drip sprinkler systems you own. During the winter when your systems are not being used they could have been invaded by small critters. They have a habit of using the sprinklers, emitters, tubes, and sprinkler pipes as their new homes. They manage to find a way in but sometimes find it hard to find their way out once spring arrives. In order to flush out your drip irrigation sprinkler system, the drip tubes must be opened up at the ends and water flushed through it. On your regular sprinklers remove the emitters or nozzles from all the sprinkler heads and turn on the water for cleaning out.

After flushing these tubes with water, replace all the emitters and turn on the sprinklers. You want to check for clogged nozzles or emitters and replace with new ones. You can also try cleaning each clogged nozzle but if you leave any scratches it may alter the spray pattern and create dry spots. This is now the time to replace any nozzles that are missing or malfunctioning. A calcium buildup can be another problem to plague your sprinkler system parts but the problem can be solved with any calcium removal product that you use in the house.

The sprinkler systems along with their valves need to be checked for any leaks. Sometimes the flexible seals will dry out during the winter and provoke the valve to leak as soon as your tune the water back on. If your water bill all of sudden shoots upward it could mean you have a sprinkler or an underground pipe that is leaking.

If you have automatic sprinkler systems you also want to check the timer for the run time on each station. There are plants that need more water than others. It is always a good idea to change the timer with the seasons; this way your plants will receive the proper amount of water for each season. Most plants require less water in cooler weather because the evaporation rate is much slower. If rain is expected please turn off your automatic systems to save water.

If your timer or controller came with a back-up battery, you will want to replace it every spring. Most of the solid state timers use alkaline batteries and will not work correctly with any other kind. If you are in doubt always use alkaline batteries. Some of the high-end controllers come with a built in battery charger and others have a non-volatile program memory and will not need batteries.

If you live in an area where you use sprinkler equipment all year round, a periodic check of the entire system can be done at anytime. Sometimes a good time to do maintenance of sprinkler systems is when the time changes in the fall and then again in the spring. Make sure the sprinkler heads are only watering your landscape and not the sidewalk, street, or your driveway. Be sure your sprinkler heads are adjusted properly and watering as much of the landscape as needed. The sprinkler heads need to pop up above the top of the grass; you may have to raise these heads periodically during the year. Regular maintenance of your sprinklers will not only save money on your water bill and sprinkler systems costs but also conserves one of our most precious resources, water. If you follow these simple guidelines your will have a better performing sprinkler system.


Maintenance of Sprinkler Systems


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Sprinkler

Maintenance of Sprinkler Systems



Maintenance of Sprinkler Systems
Maintenance of Sprinkler Systems



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Sunday, April 7, 2013

Eight Facts About Residential Sprinkler Systems - Understand How They Work

Eight Facts About Residential Sprinkler Systems - Understand How They Work





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The installation of domestic / residential sprinkler systems in homes will extinguish the risk - and prevent the spread - of fire with its fast response. Fire sprinkler systems are designed to protect you and your family from terrible injury or loss of life. Fire can also severely damage or completely destroy the building in which it started, and any neighbouring buildings in close proximity to it.

Residential sprinkler systems are designed to fight fires at the early stage in their development thereby controlling the fire and allowing you to get to safety. The cost of installing a domestic/residential sprinkler system is nothing compared to the safety of you and your family.

Here are eight important facts about residential sprinkler systems:Water Supply - There are three different ways of supplying water to domestic / residential sprinkler systems:A direct connection is a dedicated system supplying water only and directly to the sprinkler system from the mains water supply. A direct and indirect connection that serves both the residential sprinkler system and the domestic water supplies within the building and is controlled by a 'priority demand valve'. If the sprinkler system is activated the priority demand valve ensures that all available water from the mains supply goes to the sprinkler system by closing off the domestic/residential supply. A direct and indirect connection that serves both the residential sprinkler system and the domestic water supplies in the building but without a demand valve. If the sprinkler system is activated water will still be available to the domestic/residential services in the building. It is important therefore to ensure that there is adequate water supply capable of providing the necessary 'pressure and flow rate' for the sprinkler system alone plus an additional flow rate of 25 litres/min for domestic dwellings, and 50 litres/min for residential properties (eg. apartment blocks). Note: If using water from a stored water supply for residential sprinkler systems then it is absolutely important that the storage capacity of the cistern/tank is calculated and installed correctly to provide the right pressure and flow rate to the sprinkler heads (minimum 10 minutes for domestic and 20 minutes for residential properties) according to the manufacturers recommendation. Water can also be automatically pumped to the sprinkler system from a stored supply, a pressure tank or vessel, or an automatic booster pump which can draw water from either the water main or storage cistern/tank. However, the direct connection to the water main where possible is the preferred method. All domestic / residential sprinkler systems rely upon a continuous water supply at the right pressure to operateSprinkler System - There are three types of residential sprinkler systems:The Wet-Pipe system is when the sprinkler system is permanently charged (filled) with water. In the wet-pipe system, water is immediately discharged when the sprinkler heads bursts The Dry-Pipe system is where the sprinkler system is charged with compressed air. This type of system is used in unheated buildings where the temperature may fall below 0oC and cause water to freeze. In the dry-pipe system there is a time delay as the compressed air is discharged first from the sprinkler heads before the water The Alternate system is when the sprinkler system is filled with water in the summer months and works like the 'wet-pipe system', and filled with compressed air in the winter so works like the 'dry-pipe system'. Pipe material - Generally copper and stainless steel pipework is used for domestic/residential systems, however, chlorinated polyvinyl chloride (CPVC) pipe is also suitable. The melting point of copper is around 1083oC - this means copper pipework will not be adversely effected by the heat of a domestic fire. System Control - A domestic/residential fire sprinkler system should have:A stop-valve which should be locked in the open position to prevent accidental closure of the water supply to the sprinkler system. Backflow protection to prevent contamination of the mains water supply, e.g, non-return/check valves, reduced pressure valve (RPZ), air gaps and ball floats. A priority demand valve where appropriate. A drain and test valve which should be fitted at the lowest point of the sprinkler pipework for testing and for draining the system. The outlet for the test valve should be equal to the smallest sprinkler in the system. A bleed valve for purging air from the system should be fitted at the highest point(s) of the sprinkler system. A water flow alarm that detects the flow of water in the sprinkler system and sounds an alarm. This can be a mechanically driven (water turbine) alarm, or an electrically operated flow switch which will operate an audio-visual alarm both inside and outside the building (these alarms must only be turned off by the fire brigade/department).Sprinkler Head - Sprinkler heads are the water outlet points from a sprinkler system and they are designed to discharge water in a predetermined pattern. Different types of sprinkler heads produce different patterns.The sprinkler head operates when (depending on type) a predetermined critical temperature level has been reached. This critical temperature is known as the 'temperature rating' of the sprinkler. For example, in the UK the temperature rating for a sprinkler head under normal conditions will be 57oC or 68oC. However, the temperature rating should be at least 30oC above the anticipated ambient room temperature and a rating within 79oC to 100oC if installed under glazed roofs where temperatures can be elevated in the summer months. There are two basic types of sprinkler heads:Silica or Quartzoid Bulb, or The Solder Strut type The silica or quartzoid type bulb is filled with liquid that expands at a predetermined temperature, this expansion breaks the bulb thereby opening the valve in the sprinkler head allowing the water to flow. With the solder strut type the valve is held shut by the solder strut, this solder melts at a predetermined temperature therefore allowing the valve to fall open and the water to flow. Maintenance - The maintenance of residential sprinkler systems is the responsibility of the property owner. You must make arrangements for the system to be checked annually and tested by a qualified installer, and you should pay particular attention to the maintenance instructions provided to you by the installer. General Concerns And Common Misconceptions: Domestic / residential sprinkler systems are not as common as they should be in households and as a result of this there are some misconceptions associated with sprinkler systems. For example:Smoke alarms will provide enough protection - Although smoke alarms do save lives, they do nothing to extinguish a fire nor are they able to protect the young and elderly who may be unable to escape. A sprinkler system is by far the safer option Sprinkler heads can accidentally go off - Sprinkler heads rarely go off accidentally. You have more chance of winning the lottery than having an accidental sprinkler discharge In a fire all the sprinkler heads go off - No. Sprinkler heads go off individually as a direct response to a fire in that location, and almost all fires are controlled or put out by just one or two sprinkler heads. As a result of this quick response fire and water damage is significantly reduced as opposed to an unchecked fire that has to be dealt with by the Fire Brigade/Department Sprinkler systems can cause a lot of water damage - Not as much as the Fire Brigade/Department. A typical residential sprinkler head will discharge 38 to 40 litres of water per minute compared to the 1000 litres per minute from the firefighter's hose. As a general figure a sprinkler system will use between 1/100th and 1/1000th of the water that is used by the Fire Brigade/Department. This is a big difference and in itself can turn a potential disaster into a less costly inconvenience The Fire Triangle - A fire can only start and exist if three basic essential ingredients come together, and they are:Fuel - something to burn Air - oxygen for combustion Heat - a naked flame, a chemical reaction, a spark, or radiant heat directly from the Sun This is sometimes referred to as the 'Fire Triangle'. If any one side is removed the fire will be extinguished as a result. All forms of fires are extinguished by using this basic principle.


Eight Facts About Residential Sprinkler Systems - Understand How They Work


Sprinkler



Sprinkler

Eight Facts About Residential Sprinkler Systems - Understand How They Work



Eight Facts About Residential Sprinkler Systems - Understand How They Work
Eight Facts About Residential Sprinkler Systems - Understand How They Work



Sprinkler

Tuesday, March 19, 2013

NFPA 13 Occupancies for Sprinkler Design

NFPA 13 Occupancies for Sprinkler Design





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An assortment of building occupancy examples are classified in Sec. A.5.2 of the NFPA 13 Appendix. The following are noted as light hazard occupancies: offices, churches, schools, museums, auditoriums, library seating areas, restaurant seating areas, and unused attics. The maximum sprinkler spacing (protection area) for these is noted in Table 8.6.2.2.1(a) if standard sprinklers are used. Usually, the maximum limit is 225 square feet for light hazard on a hydraulically calculated system. However, when exposed construction is combustible, with structural members spaced less than 3 ft. apart, the maximum coverage limit shrinks to 130 square feet.

Ordinary hazard Group 1 occupancies include laundries, restaurant service areas, and automobile parking garages. Ordinary hazard Group 2 occupancies include the aforementioned dry cleaners, automobile repair and services areas, auditorium stages, woodworking plants, post offices, and stack room areas of libraries. Standard sprinklers protecting all ordinary hazard occupancies shall not cover an excess of 130 square feet per head (Table 8.6.2.2.1(b).

Extra hazard occupancy examples include printing plants, paint and varnish dipping operations, plywood manufacturing, solvent cleaning, and plastics processing. Maximum sprinkler spacing for these occupancies is limited to 100 square feet. However, where the required design density is less than 0.25 gpm/sf (and this goes for high-piled storage as well), a protection area of up to 130 square feet per sprinkler is allowable (Table 8.6.2.2.1-c). It should be noted that commercial insurance carriers and consultants develop their own literature containing more extensive listings of occupancy examples and classifications than does the NFPA 13 standard, data which often comes in handy when making an occupancy classification determination.

Design Density Criteria

The NFPA 13 Density / Area Curves are found in Fig. 11.2.3.1.1. When hydraulically calculating a light hazard sprinkler system, the design density utilized is typically 0.10 gpm/sf over a 1500 square foot (the most hydraulically demanding) area of operation. To begin a calculation, the designer starts with the end-sprinkler and works "backwards" to the water supply source. Suppose that the sprinklers are spaced 14 ft. apart on branch-lines that are 12 ft. apart. Our square foot coverage then, is (12 x 14) 168 square feet.

Q (in gpm) is determined by multiplying the density by the square foot coverage (.10 x 168), so we know that we'll need 16.8 gallons per minute (Q) discharging out of the end sprinkler.

The square root of the required end-head pressure is determined by "Q" divided by "K". If the design density is 0.10 and the K-factor of the sprinkler head is 5.5, we can ascertain our end-head pressure by dividing 16.8 by 5.5, and squaring the sum to obtain a 9.33 psi figure. 9.33 psi is the required end-head pressure. To double-check, we can simply plug in the numbers while performing the following equations to ensure that they match: Q= K times the square root of the pressure, K= Q divided by the square root of the pressure, and the design density equals Q divided by the square foot coverage. If our area of operation remains 1500 square feet, our design density will change to 0.15 for Ordinary hazard Group 1 occupancies and 0.20 for Ordinary hazard Group 2 occupancies.

Everything changes when extended-coverage sprinklers are employed. Let's suppose that we decide to extend our coverage to 324 square feet in a light hazard office, spacing sprinklers 18' x 18' apart. Now we must refer to the sprinkler manufacturer's data sheets for direction. If we choose to install Tyco EC-11 pendent sprinklers, the data sheets dictate that our end-sprinkler must discharge a minimum of 33 gpm at 8.7 psi. This means that our design density (Q divided by the square foot coverage) is still 0.10 gpm/sf. The K-factor of this particular sprinkler is 11.2, which we can validate by the equation K= Q divided by the square root of the pressure.

Extended-coverage sprinklers for ordinary hazard occupancies work the same way. For example, we could use the Tyco EC-14 extended-coverage pendent sprinkler (K=14.0) in a (Ordinary hazard group 1) restaurant service area to protect an 18' x 18' area, but here the data sheet parameters require a 49 gpm minimum discharge at 12.3 psi for the end-sprinkler. In other words, Q= 49, K= 14.0, the square root of the pressure is 3.51, and the coverage is 324 square feet. All the equations match, including the required design density (0.15) which is obtained by dividing Q by the 324 sq. feet. Of course, the local water supply must still be able to satisfy the resulting overall sprinkler system demand. In order for that to be accomplished, larger system piping is installed to deliver the additional gpm necessitated by the extended-coverage heads.

Sprinkler discharge characteristics are outlined in cogent form in Table 6.2.3.1- these outline the differing K-factors for sprinkler identification. One other handy table to reference for sprinklers in NFPA 13 is Table 6.2.5.1, which deals with classifications and temperature ratings.

To be absolutely certain of code compliance with respect to sprinkler elevations, we refer to Sec. 8.6.4.1 in NFPA 13. The allowable distances noted beneath roofs, beams, or ceilings are always measured to the sprinkler deflector. It is acceptable for designers to consult data sheets for appropriate distances below ceilings for specific sprinkler types, although the safe bet is to call for a distance between 1" and 12" beneath the underside of the roof deck. The closer sprinklers are to the ceiling, the faster they will operate. But caution must be exercised because often serious interferences to lateral water distribution can result from very close sprinkler placement to the ceiling. For all instances, the minimum of 1 inch (in the code) is to allow for the installation and removal of upright sprinklers. When sprinklers are installed beneath pitched roofs, the highest sprinkler deflector (Sec. 8.6.4.1.3.1) may extend 3 ft. down from the highest peak.


NFPA 13 Occupancies for Sprinkler Design


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Sprinkler

NFPA 13 Occupancies for Sprinkler Design



NFPA 13 Occupancies for Sprinkler Design
NFPA 13 Occupancies for Sprinkler Design

Sprinkler

Wednesday, February 27, 2013

Aberdeens Willie Miller-soaked on Sky with David Tanner!

Aberdeens Willie Miller-soaked on Sky with David Tanner!



Samsung Galaxy

Tube. Duration : 2.27 Mins.



Aberdeens Willie Miller-soaked on Sky with David Tanner!



Aberdeen football club legend Willie Miller gets drenched live on Sky sports. He is being interviewed by David Tanner at the Aberdeen grounds and the sprinkler system gets them three times-even when Miller has ordered them to be switched off!

Aberdeens Willie Miller-soaked on Sky with David Tanner!

Aberdeens Willie Miller-soaked on Sky with David Tanner!


Aberdeens Willie Miller-soaked on Sky with David Tanner!

Aberdeens Willie Miller-soaked on Sky with David Tanner!

No URL Aberdeens Willie Miller-soaked on Sky with David Tanner!




Aberdeen football club legend Willie Miller gets drenched live on Sky sports. He is being interviewed by David Tanner at the Aberdeen grounds and the sprinkler system gets them three times-even when Miller has ordered them to be switched off!




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Friday, February 8, 2013

Fire Sprinkler Systems

Fire Sprinkler Systems


Samsung Galaxy
ItemTitle

These are different systems used in different places to put off accidental fires. The system installed depends on the efficiency, cost, how big the area to be installed is and the property being protected.

For example, it is futile to install a water sprinkler system in a petrol station or a go down storing sacks of sugar.

The types of fire sprinkler systems include;

Dry pipe system
This system does not use water. It uses dry air and it can cover a vast area. It is mostly used in refrigerated coolers. Air is pumped in the pipes then out.

Wet pipe system
This is more popular than the dry pipe system. This fire sprinkler system uses water. It is more common in homes and small business premises.

Deluge Fire sprinkler system
This system uses open pipes. Deluge valves open up and allow water to flow into all the sprinklers. It uses open pipes connected to the water system. Water flow is constant in all the sprinklers.

Foam water sprinkler system
This uses foam and water. It is commonly used in gas stations and places dealing with highly flammable goods like airports. This system is more efficient than the wet system.

Pre action system
This is a combination of all the above mentioned fire sprinkler systems. This system is used to protect artefacts or things of great value. There are single interlock pre action systems that operate like the dry pipe systems. The double interlock systems operate like the deluge systems.


Fire Sprinkler Systems


Sprinkler

Dancing Clown - Knowlton Haaland



Samsung Galaxy

Video Clips. Duration : 2.70 Mins.



Dancing Clown - Knowlton Haaland



So you think you can dance, Season 2 Audition. Knowlton Haaland, the "Dancing Clown"

Dancing Clown - Knowlton Haaland

Dancing Clown - Knowlton Haaland


Dancing Clown - Knowlton Haaland

Dancing Clown - Knowlton Haaland

No URL Dancing Clown - Knowlton Haaland

Lawn Sprinklers


Samsung Galaxy
ItemTitle

A healthy and lush lawn is the envy of all homeowners. Keeping a lawn looking great requires a good lawn sprinkler system. There are many options in a lawn sprinkler that will allow you to choose the system that is best for you and your lawns needs.

Initial Considerations

The first thing you need to know before ever choosing a lawn sprinkler system is that your lawn has different needs in the different areas. What works for your front lawn may not work for back lawn. Shaded areas may not need the water that sunny spots do. You have to keep this is mind and choose lawn sprinkler according to these factors.

Types of Lawn Sprinklers

Here are is a run down of the different types of lawn sprinklers you will have to choose from and their characteristics.

Spray Sprinkler:

- Good for small spaces

- Produces a large concentrated spray

- Pop up and stationary models available

- Best used on flat ground

- Best used on a cycle timer

Rotor Head Sprinkler:

- Good for covering large areas

- Produces a small amount of water coverage

- Allows for a good absorption rate

- Single or double head models

- Available in models that spray in all directions

Drip Sprinkler:

- Good for water a specific plant

- Rate of drip varies widely

- Come in a tube design

- No spraying on needless areas

Making your Choice

You should choose your lawn sprinkler system based upon your needs. You need to choose a system that will provide you with the type of coverage and amount of coverage that you need.

Make sure that you choose a sprinkler system that works with your chosen method of application. You need to decide if you are going to go with a timer or manual method of turning off and on the system.

Setting up a lawn sprinkler system is something that you can do on your own or you can choose a professional to install it for you. Your choice should be based on the system you choose and the amount of sprinkler needs you have. It is best to go with a professional if your needs are complex. Make sure you do not try to install something yourself before ensuring that you can handle the job. Having a professional fix your mistakes can be more costly then just having them install the system in the first place.


Lawn Sprinklers


Sprinkler

AFT Nozzle Test



Samsung Galaxy

Tube. Duration : 11.42 Mins.



AFT Nozzle Test



Gardner Associates 4mtr room Test Test to show the effectiveness of the AFT multi-jet nozzle located centrally within a 4mtr room. The fire source was located in the corner of the room, effectively making the head just under 3mtrs away from the fire source. The head operated and suppressed the fire, with head requirements of 14l/min @ 7 Bar. The test was conducted by Gardner Associates on the 18-10-12.

AFT Nozzle Test

AFT Nozzle Test


AFT Nozzle Test

AFT Nozzle Test

No URL AFT Nozzle Test

Sprinkler Systems


Samsung Galaxy
ItemTitle

Everyone loves having a sprinkler system in their yard because of the ease of watering your yard. You never have to worry about moving your sprinkler around and missing a patch that will later turn yellow. If you are thinking about putting in a sprinkler system into your yard, here are a few things you need to know before you start.

If you are doing this all by yourself you'll need to call and find out if there are any restrictions in your community or any regulations about backflow prevention or pipe sizes. If you hire in someone they will already have this information.

You will also need to call into your utilities to find out where the piping or electricity is around your yard. If you hire out they will be able to find out for you and will typically take responsibility for any damages or mistakes. It would be horrible to hit something while you dig and then have to pay the money to fix that problem.

Another thing that you have to know before you start is about your water pressure. You need to understand if it is too high or too low. If it is too low or too high you will have to solve that before you put in your sprinkler system.

You'll first want to plan out your system throughout your yard. You'll want to have it start at your water source and work out from there.

After everything is all planned out and you have drawn out all your plans, including dimensions, start digging. You'll need to know exactly where you will be digging your trenches around your yard. Remember to be careful to avoid any utility lines.

You'll have to choose your pipes, sprinkler heads, and risers that you prefer. Before you start gluing anything, have your pipes laid out perfectly flat in the trenches.

If you choose to do this yourself you will have to measure everything exactly as well as cut your pipes. To get the best cut use only PVC ratcheting cutters.


Sprinkler Systems


Sprinkler

The SUISLIDE (Vancouver, BC)



Samsung Galaxy

Tube. Duration : 3.27 Mins.



The SUISLIDE (Vancouver, BC)



the single greatest slip n slide EVER created. 2 x 100 foot rolls of poly. 2 air mattresses, one folded and one laid on top to create the jump. 1 hose. 1 sprinkler Enjoy - SB.

The SUISLIDE (Vancouver, BC)

The SUISLIDE (Vancouver, BC)


The SUISLIDE (Vancouver, BC)

The SUISLIDE (Vancouver, BC)

No URL The SUISLIDE (Vancouver, BC)




the single greatest slip n slide EVER created. 2 x 100 foot rolls of poly. 2 air mattresses, one folded and one laid on top to create the jump. 1 hose. 1 sprinkler Enjoy - SB.




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Sprinkler

Sprinkler Systems



Sprinkler Systems
Sprinkler Systems






Sprinkler


Gardner Associates 4mtr room Test Test to show the effectiveness of the AFT multi-jet nozzle located centrally within a 4mtr room. The fire source was located in the corner of the room, effectively making the head just under 3mtrs away from the fire source. The head operated and suppressed the fire, with head requirements of 14l/min @ 7 Bar. The test was conducted by Gardner Associates on the 18-10-12.




Keywords:



Sprinkler

Lawn Sprinklers



Lawn Sprinklers
Lawn Sprinklers






Sprinkler


So you think you can dance, Season 2 Audition. Knowlton Haaland, the "Dancing Clown"




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Sprinkler

Fire Sprinkler Systems



Fire Sprinkler Systems
Fire Sprinkler Systems






Sprinkler