Backflow Preventer Mounting Height | The Building Code Forum
2009年10月30日 · There used to be a requirement for a backflow preventer that protects potable water from an irrigation system. The device had to be located a minimum 6” above the highest irrigation head. north star
Do I need a fire sprinkler system in residential duplex + triplex?
2019年10月17日 · The issue, is they want this back building to have fire sprinkler system installed. The building inspector claims that the property is a apartment complex now, and by adding the 2 units, he must evaluate the property as having 5 apartment units in the building.
North Carolina Grey water code? - The Building Code Forum
2021年9月24日 · A third type of graywater reclamation system has been legal in N.C. since 2006. It is a current legal plumbing code in the 2008 International Code Council and International Plumbing Code book, volume 1, plumbing code. There are very strict guidelines to follow. Here are a few of them: No less than a 50-gallon tank may be used.
Fire Sprinklers 2 Family to 3 Family - MA - The Building Code Forum
2020年2月18日 · The building commissioner cited : 1012.2.1 Fire Sprinkler System Where a change in occupancy classification occurs or where there is a change of occupancy within a space where there is a different fire protection system threshold requirement in Chapter 9 of the International Building Code that requires an automatic fire sprinkler system to be provided …
When are expansion tanks required? | The Building Code Forum
2022年4月20日 · For water service system sizes up to and including 2 inches (51 mm), a device for controlling pressure shall be installed where, because of thermal expansion, the pressure on the downstream side of a pressure-reducing valve exceeds the pressure-reducing valve setting. P2903.4.2 Backflow prevention device or check valve.
How to calculate how much water should be on site for fire …
2009年10月26日 · If this was a dry system for whatever reason then .10/1950 = 195 gpm, hose requirement and duration is the same as a wet system, so a total of 8850 gallons. If you start playing with quick response sprinklers and ceiling heights the 1500 design area can go as low as 900 sq. ft, so even less water.
Foundation efflorescence - question | The Building Code Forum
2020年7月28日 · Hi All, Trying to get some points of view on a family member's home. There appears to be what is efflorescence on one side of the foundation slab. For context, the home is nearly 20 years old, clay soil, and on a concrete slab. One side has always had the white marks on the side of the...
Splash Pad run-off - Sanitary versus Storm Sewer
2009年11月9日 · pool deck drains discharge to the building drainage system, the discharge shall be through an indirect waste pipe by means of an air gap. This code section might be applicable if the water drainage is directed to the sanitary sewer system. Also, have you considered capturing the water run-off to irrigate other areas?.....See the link:
Backflow Preventer Location - The Building Code Forum
2009年10月30日 · A potable water supply system shall be designed, installed and maintained in such a manner so as to prevent contamination from nonpotable liquids, solids or gases being introduced into the potable water supply through cross-connections or any other piping connections to the system. Backflow preventer applications shall conform to Table
Pool fence egress - The Building Code Forum
2009年10月20日 · In the past, we have required compliance with Chapter 10 for the pool fence enclosure. Since then, we had this debate on the other forum, where it was argued that an outdoor pool itself doesn't really have an occupancy group, even though the code gives you occupant loads for the pool and deck.