What is standard protocol for evaluating whether an existing fire service to a building should be replaced? The building is undergoing a major expansion. The size of the existing line and the pressure/flow in the water main is adequate. The only question is whether the existing on-site fire...
Do all sidewalk routes to the public ROW have to be ADA compliant or do you only need to provide one accessible route?
Do all on-site sidewalks need to be ADA compliant?
Is it absolutely necessary to mill prior to a bituminous surface course overlay? Are there other reliable methods to ensure long-term viability of the overlay aside from milling?
Does anyone know of a reference which discusses the use of weirs in outlet control structures for detention basins? I am looking for a practical explanation of when to use different types of weirs, dos and don'ts, etc.
In NJ Standards for Soil Erosion and Sediment Control, the reliability of the model for demonstrating off-site stability (non-erosive velocities for point discharges) is limited to 10 cfs for the 25-year storm. Does anyone know the basis for this limitation?
We have a project where our...
Does anyone know what a WB50, WB60 and WB62 really are? What type of vehicle are they and when are they typically used? And vice-versa, what design vehicle is typical of an automobile carrier, gasoline container truck, delivery truck to big box retail store, etc?
Does anyone have the dimensions of a typical commercial automobile carrier (6 to 7 vehicles)? I would like overall length and wheelbase. I want to know if it is closer to a WB-50 or WB-62.
How do you show project finish dates that are based on the actual start and % completion? For example, I have schedule where I entered actual start of 11/12/03, duration is 10 working days and task is 80% complete. Project is showing a finish date of 11/25/03. How can this be true if today is...
For a concrete pad on grade (e.g., to support a trash dumpster), should reinforcement be at the top or bottom of the slab? My opinion is that reinforcement is at the top to control cracking. Reinforcement is not necessary at the bottom since the bottom of the pad really should not be under any...