Project calls for widening a 1.5 m (5') concrete sidewalk to a 3 m (10') wide asphalt multi-use trail (pedestrians and cyclists). Owner wants to keep existing concrete sidewalk in-tact and black top over it. We are thinking of using 100 mm (4") of compacted granulars over the existing concrete...
We have a situation whereby we cannot connect a large residential dwelling storm sewer service (weeping tile drainage) to the existing storm sewer main in the street. The Municipality is allowing us to drain to a rock soak-away pit on the property. We are trying to size this soak-away (depth...
I am trying to find a good reference text for concrete pole base design (for parking lot lighting). Does anyone know of any? I'm sure the key design checks are sliding, overturning and shear.
Is there a calculation available to determine the maximum flow through 3/4" copper (type k) tubing? For example, if 60' of 3/4" copper tubing is connected to an 6" watermain, with a flow of 900 USGPM in the watermain and a static pressure of 60 psi, what is the maximum flow rate through the...
