CERP Tenting Flashcards
The use of tents dates back to
early nomadic people and armies
The most recognized tent is the ___ tent, originating at the turn of the 19th century
Circus Tent
Canvas with manila roping; primarily solid colors like blue, light green, gray
Tents in 1940s
Flame retardant applied directly to materials caused striped tents in this period to rub together
1940s
colorful tent liners attached to cables for stripes, and balloons, were used to decorate tents in this period
1940s
In the 1950s, this was introduced as a new fabric option to provide flexibility, colorfast stripes, and flame retardant options, even though flame retardant chemicals needed to be reapplied frequently
Gala Bull Twill
Frame tents began replacing rope and pole tents began in this period
1960s and 1970s
Clearspan structures were introduced in this period from Europe, bringing the metric system to tents
1970s
Vinyl laminated fabrics were introduced in ______, but didnt become the norm until _____
1970s ; 1980s
Which tops could be heat sealed, eliminating the weeping that occurs with sewn seams in inclement weather.
Vinyl laminated tops
When did white tops become common
1980s with vinyl
What materials have been replaced in tents over the years?
tent poles - Wood to aluminum
rope to webbing
polyester-reinforced vinyl replaces all other tops
The anchoring system for many years involved…
rope and traditional wood or steel stakes, AKA knot tying
Most important knots of the day were….
ratchet knots, clove hitch, bowline hitch
What is the benefit of ratchet straps
adjusted more efficiently while holding tension longer, saving time of install
CAD stands for
Computer aided design
Local city and state governments began enforcing regulations more heavily during
2010s after a flyaway tent incident. Recession caused slacking in safety.
Originally tent tops were made of
canvas
What are the benefits of vinyl laminated polyester as tent tops
more durable, easier to clean, UV, water, and mold resistant
Laminate vinyl is made of what film
polyvinyl chloride (pvc) film
Coated vinyl polyester is made of
coated aheasive
Which top material does not let in water with a pinhole
coated vinyl polyester
T/F - Clear tops are as strong and durable as those made with solid vinyl
False
The tent top is stretched over poles and attached to guy ropes, guy webs, or cables at locations around the fabrics edge. Then secured to stakes, it provides the tension that holds the tent in place.
Pole Supported Tents
First tent design used for modern use as rental tents. Square ends, 20ft mids to extend. Originally supplied with spliced on ropes. Additional rows of internal poles are required
Traditional Push Pole Tent
Quarter or junior poles are used with this tent
Traditional Push Pole Tent
Lifted to its peak by hoisting the top up a pre-installed center pole, usually with the aid of powered equipment.
Bail ring tent
Which tent allows additional adjustment to the tension of the top fabric
Bail ring tent
What is the challenge with bail ring tents
to get the tension of these tops uniform. They can billow in strong winds
Relies on the tension of the fabric pulled over the center poles, side poles, and securement of the anchors around the perimeter to maintain shape and strength
Tension tents
Many traveling circuses used this tent
bail ring
T/F Tension tents require additional quarter poles
False
_____ refers to a design that uses the shape or contour for the cut of the fabric patterns to achieve the desired strength and shape of the finished tent
Tension
This type requires the most holding power
tension
Lighter duty version of the tension tent
unengineered tension
Typically they have load rated connection hardware at points where fabric connects to poles and reinforced perimeter webbing
engineered tension
Sailcloth tents became popular in
2010s
AKA West Coast Tent
Traditional Frame Tents
Used to ensure safe lifting of the frame, particularly on larger units
tent jacks
‘flying’ center pole
high peak
Requires a modified frame, such as a hex or sub frame system, which ads considerable weight per square foot
high peak larger than 20ft
Increasingly popular because they can meet building code from local officials
track / keder (or clearspan)
Accordian style frame tents
Pop-up
What affects wind forces imposed on tents
altitude, proximity to water or buildings, tent size, roof slope
Used when extra holdign power, gang, or double staking is needed
stake bars