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Fire sprinkler omissions in homes
NFPA 13D permits the omission of fire sprinklers in certain locations of a home. Sprinklers shall not be required in bathrooms of 55 square feet or less. Combustible fuel loading in most small bathrooms typically is low. Sprinklers shall not be required in garages,...
COVID-19 and Ventilation in Apartments
With the COVID-19 (Chronavirus) pandemic, people are overly concerned about aerosols transfer from the corridors to apartments in high rise buildings. They can feel a lot of air coming into their apartments from the corridor and are curious to know if the aerosols can...
HVAC: Calculating Process Heat Loads in Industrial Machinery
CALCULATING PROCESS HEAT LOADS This section contains some basic methods for calculating the heat load of various industrial processes. In order to use the heat load calculations, some general definitions need to be addressed. The calculations will reference the...
A picture from 1927
This is an amazing picture... probably the one picture with most IQ and most commutative service to mankind.
Digital Mapping Services by the Cities in BC
Links to all mapping services in Lower Mainland, British Columbia All cities have information about the utilities and infrastructure which is made available to the public for reference. The accuracy is good for the recent updates, but the grand-fathered data from the...
HVAC: Designing Commercial Kitchens and Restaurants
mportantin Space Assessment Before you sign the lease or buy space for putting in a restaurant, it is prudent to get an engineer to do am assessment of the available services, access to the outside; preferably the roof, municipal requirements, available electrical...
Plumbing: Why are Grease Interceptors needed?
Treating waste water from commercial kitchen sinks What is a grease interceptor? Grease interceptors were originally patented as passive gravity separators by Nathanial Whiting in the late 1800s. Grease interceptors are a device used to separate fats, oils, and grease...
Designing Commercial Kitchens and Restaurants
Design of Commercial Kitchen / Restaurant include: Design of HVAC systems: This would include general Heating Ventilation and Air-Conditioning systems. Generally restaurants have a high density of people in them. High occupancies require adequate...
Book Review: Sapiens: A Brief History of Humankind
One of the best books I have read!! I first saw this book at a friend’s house in the UK and was soon told that his teenage daughter had first read it and he loved it as well. It is an easy read, with lots of details and storytelling and is fairly objective. I found...
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