Water Design
The length between water valves.
What is 1,000 feet?
Maximum distance between manholes.
What is 400 feet?
The maximum test pressure for all new mains that are hydrostatically field.
What is 160 psi?
What is 1"=40' horizontal & 1"=10' vertical?
The scale for a text size of 4 for L100.
What is 1"=40'?
The minimum vertical clearance when the water crosses under existing and proposed utilities.
What is 2-foot?
The type of manhole required when the difference in the inlet and outlet elevations is 30" or more.
What is a Drop Manhole?
The minimum duration for a pressure test of a new main in excess of 1000 linear feet.
What is 4 hours?
This is drawn from low point to high point.
What is a profile?
The graphical representation indicating the direction of north in an area.
What is an North Arrow?
The TCEQ Administrative Code that governs separations distances for potable water and wastewater mains or laterals or manholes.
What is TCEQ Chapter 290.44 (e)?
The separation distance between a water main and a sewer main.
What is 9 feet outside of pipe to outside pipe and/or outside of manhole?
What is 1 hour?
This is measured from fitting to fitting.
What is the length of a pipe?
An AutoCad file that can be reference with many other files and display them as if they were one file.
What is an XREF or external reference?
The minimum separation distance between the outside diameter of a new water main and the outside diameter of the existing water main.
What is 3-feet?
Dimension from the top of the lateral (where it appears in the trench wall), to the top of the sewer main).
What is a vertical stack?
Table 841-1 for hydrostatic test
What is leakage allowance @ 150 psi?
Stationing shown on alignments.
What is in 50 feet intervals?
The Microstation file that establishes "setttings" for reference file attachments.
What is a "Motif"?
The type of coupling between an AC pipe and Ductile Iron Pipe, Cast Iron Pipe, or C900 Pipe.
What is a Transition Coupling?
An operation for existing sanitary sewer less than 24-inches in diameter in order to temporarily reroute sanitary sewer flows to prevent a sanitary sewer overflow and to provide adequate and reliable sanitary sewer flow at all time during construction.
What is Bypass Pumping?
The deflection test for sewer main with inside diameters less than 36 inches.
Mechanical Lettering done by using tools such as lettering guides and templates invented by Keuffel & Esser Company and used by professionals.
What is LEROY Lettering?
A minimum level of competency test in a particular engineering discipline. It is designed for engineers who have gained a minimum of four year's post college work experience.
What is the Principles and Practice of Engineering (PE) exam?