You may draw your own plans. However the cost or type of a project may require an architect or engineer to draw the plans. You may do your own construction. No development activity and heavy equipment operation may occur on Sundays or holidays observed by the city. A. Water purveyors are installing backflow devices at the water meters, therefore creating a closed system in the waterline with no place for the hot water to expand.
Pipes can burst unless there's someplace for the expanded water to go.
Depends on how high the rockery is and whether or not it's supporting a surcharge. Largely depends on the amount and what they are doing with it. Filling in low spots on the property could deflect water to neighboring properties. Sometimes, we have an inspector go to the site to check out the property and then decide if they need a permit or not.