7 Types of Cannon Bollards
Some cannons were buried muzzle down, and others muzzle up. When up, the bore was usually sealed using an oversized cannonball.
24
Jun
Blog
17
Jun
Trench Drain Systems
Trench is often installed when standing water becomes an issue due to landscape, hardscape, land use, or weather pattern change. A system of small capillaries can be installed through active spaces without compromising the look or function of an area.
10
Jun
School Bike Racks, School Bollards
Getting kids walking and biking to school requires cultural change. Most kids arrive to school in cars and driving is standard. Creating new habits means making active transportation feel normal—elementary kids don’t want to stand out as doing
20
May
Several to One: Removable Bollards Systems
Often, when sites choose removable bollards, they don’t order perfectly matched sets. Sites may buy several receivers and one bollard—or, they might buy several bollards and one receiver.
13
May
11 Benefits of Street Trees in Urban Spaces
Yes, trees drop leaves and fruit, produce pollen, and have roots that can become invasive or heave sidewalks. Yet trees make such a big difference to quality of life and urban management that these are small problems to overcome.
06
May
Bollard Installation Tricks: How to Install into Pavers
In order to install pavers and impact-protective bollards, the level of concrete is set by the height of the paver. The loss of the thin level of paver material to the volume of the concrete surround will only minimally affect the stopping power of the bollard.
29
Apr
How to Buy Indoor or Outdoor Channel Drain
Grates act as strainers that stop rubbish, leaves, or dirt from entering the channel. What level of debris filtering is necessary is in part based on likely throughput: a small drain may have a harder time clearing than a larger one.
22
Apr
What is Machining?
In the modern era, machining is often a finishing step for products created by forging or casting, to bring forged or cast objects to within precision tolerances
16
Apr
Anti-Vandal Rust Prevention with IronArmor
IronArmor matches the strength and durability of iron and steel. Deep color and easy upkeep maintain a beautiful, classical, finished look.
08
Apr
Decorative bollard covers beautify crash-rated bollards
Rated security bollards have been rigorously tested to prove their stopping power. ASTM ratings are assigned to bollards based on the barrier’s ability to stop vehicles of different weights and speeds.
01
Apr
Bike Usage during Social Distancing
We wondered what the data might show about the changes in bike traffic: how does it compare to changes in vehicle traffic?
26
Mar
A Guide to Trench Grates Material
There are several factors to consider when choosing trench grate. The contractor might think about aesthetics, cost, wear patterns, total load, weather patterns, and replacement interval.
19
Mar
Bollard fencing?
Is the Southern border really getting a “bollard fence” or a “bollard wall”?
11
Mar
Sustainable Water Management and the Cities of the Future
In our Future Cities series, we will look at how engineers and city planners are approaching the challenges and opportunities of our changing world. This week we celebrate innovations in water management in places like Northern BC; Milwaukee, WI; Gresham, OR; and Orange County, CA.
10
Mar
K-rated Bollards
For sites that are protecting against concerted criminal attack, a planner might include crash- or k-rated bollards, which are also commonly known as anti-ram bollards.
10
Mar
Are Speed Humps Effective?
Speed is the primary factor in most vehicle accidents—increasing both risk and severity. As drivers move faster, they have less time to respond to road conditions and any resulting collision causes more damage. To counter the problem of speeding, municipalities can choose from a number of
10
Mar
What is a Foundry?
Foundries are responsible for our current standard of living and industrial development, but most of us know next to nothing about them. So what is a foundry? Foundry Definition In simplified terms, a foundry is a factory where castings are produced by melting metal, pouring
10
Mar
Ductile Iron
Ductile iron – also referred to as spheroidal or nodular iron – is actually a group of irons that exhibit high strength, flexibility, durability and elasticity due to their unique microstructure. Cast ductile iron normally contains over 3 percent carbon; it can be bent, twisted or deformed without fracturing.
10
Mar
How to Convert ASTM Steel Grades
International standards do not translate, metal-for-metal, the way words might translate.
05
Mar
A Guide to Bollard Spacing and Site Planning
Each type of bollard has its own important, unique purpose.