Drainage and Stormwater Management Flashcards
6 cards from real FDOT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Drainage and Stormwater Management flashcards as text
What FDOT specification section covers drainage pipe installation requirements?
Answer: Section 430
FDOT Section 430 governs pipe culvert and storm drain installation, including materials, bedding, and backfill requirements.
According to FDOT design standards, what is the minimum design storm frequency required for cross-drain culverts on the State Highway System?
Answer: 10-year storm
FDOT requires cross-drain culverts on the State Highway System to be designed for a minimum 10-year design storm frequency.
What is the primary purpose of a retention pond in an FDOT stormwater management system?
Answer: Permanently store water and allow infiltration into the ground
Retention ponds permanently store stormwater and allow it to infiltrate into the groundwater, providing water quality treatment and volume control.
Which FDOT document provides design criteria for stormwater management on highway projects?
Answer: FDOT Drainage Manual
The FDOT Drainage Manual provides comprehensive design criteria and guidelines for all stormwater management systems on FDOT projects.
What does the term 'WQTV' stand for in FDOT stormwater design?
Answer: Water Quality Treatment Volume
WQTV stands for Water Quality Treatment Volume, the volume of runoff that must be treated to remove pollutants before discharge.
What pipe material is prohibited by FDOT for use in retention pond outfall control structures?
Answer: Corrugated metal pipe (CMP) without lining in acidic soils
FDOT prohibits unlined corrugated metal pipe in acidic or corrosive soil conditions because it deteriorates rapidly and fails prematurely.