John Lansing

@pipedreaming.bsky.social

2660 Followers 609 Following

Posting thoughts on plumbing/building codes, engineering design guides, water and nutrient cycles, often with regional and historical insights (personal account) Director of Plumbing Standards Research and Development john.lansing@centerforbuilding.org

Screenshot from IBC showing a 1 WC and lavatory per 10 people and 1 shower per 8 people
Image from original post with a big red arrow pointing at section of L'Hospitalet de Llobregat, part of the Barcelona Metropolitan Area
Video shows a mop wiping the ceiling with water falling down
Cover page of the Hoover Code from 1923 UNITED STATES DEPARTMENT OF COMMERCE HERBERT HOOVER, SECRETARY ELIMINATION OF WASTE SERIES RECOMMENDED MINIMUM REQUIREMENTS FOR PLUMBING IN DWELLINGS AND SIMILAR BUILDINGS
Video described above. The camera pans onto each side of the basin
Video of a car-lite street with a storefront that has a split system inside with the door wide open
Diagram showing a single stack, similar to the German approach where fixture combine together into a single horizontal drain before entering the stack. Unlike an American/Canadian installation which would have a vent serving at least one fixture at every floor and a vent connecting to the base of the stack, the only vent shown here is the vent from the drainage stack at the top floor
Diagram from chapter 3 of the Quebec construction code showing an unvented P-trap
専用排水トラップ同梱 床上配管対応防水パン TPR640N 排水管用開口無し Photo of drain a pan, which looks similar to a shower pan
Video from Xiaohongshu of a badly draining washing machine being corrected with a special right angle fitting to discharge the water directly into the trap tailpiece
Photo of kitchen sink with overflow holes which appear like a grill on the side of the sink
Three story building from early 20th century with three stories added and a modern facade on top
Orange building with planters at the top framed by trees on the street
Blue tinted glass curtain wall next to early 20th century tenement with balconies and whimsical metal railing
View of three towers on the water
Glass lemonade bottle being put in a bin
Photo of an array of garbage and recycling bins
Photo of building facade with exterior shades both closed and propped open at an angle as well as open windows. Outdoor AC units can be seen mounted on the exterior. A few small trees are also pictured in the foreground.
Diagram of a Roman bath
Photo of Tofu Vegan storefront with outdoor seating
Grundfos Alpha with wrapped in a Progress Pride flag
Graph showing see you too all rising above 2000 during boarding and landing averaging and around 1500 ppm.
Screenshot from European train air system standard showing an upper limit of 5000 PPM
Screenshot of floor plan, showing a balcony on one side with two bedrooms on the other side, both with windows
Video shot from Ealing Broadway Station of a high-rise residential building with multiple windows open one unit has a mobile AC duct hanging outside of it
Screen on the front for he heat pump with simulated spinning fan
Samples of hemp insulation
Photo showing what is described above on a tiled floor with flashing
Photo showing a display of plastic drainage piping with a box with drain connections around the lower part of the water closet connection
Video showing a hand wash basin with a lower section for washing feet
Photo of the post author and Dave Viola, current president of the World Plumbing Council, holding a document titled ‘Certificate of Merit’
Screenshot from Aranet app showing CO2 levels that peak at over 7000
Photo of hand holding up an aranet4 with a CO2 PPM reading of 1369
Information brochure showing what looks like a covid rapid antigen test
Photo of a winding street with three-story buildings with Bay windows
Dr Serap Özmen presenting on non-severed sanitation
Photo of water closet mounted on a structural support with high density polyethylene installed behind it
Video of trap with the demonstration showing the removable flap
Video panning up a series of copper piping connecting together
Video of men mostly in their 20s with tools installing pipes
Video of product showing copper piping and valve and display
Video pans around a valve installed on a pipe
Another photo of a DWHR unit installed under a bathtub
Heat exchanger integrated into a shower pan
Video shows a screen showing hot water passing down the drain and preheating the cold incoming water video then pans over to show the actual unit installed under a bathtub
Claw machine with white bottle traps inside
Product cut sheet from Mitsubishi
Video starts on showing a heat pump and then turns around to see a person in a duck costume staring at the video
Photo of two Navien R290 ASHP
White heat pump on display spinning on a rotator
Video pans around showroom showing large black boxes with louvers on the side made by windhager
Photo of tank and heat pump
Photo of a banner showing reading “World Plumbing Conference”
Red circle drawn around where the building is located right next to Euston Station
Photo of a nine story, brick façade residential building on a small lot