4.0 Off-Site Servicing 1: Water, Sanitary and Storm

Question 1

Design key references

Answer 1

Master servicing studies
Subdivision control bylaws - municipal design criteria
Master municipal Construction Documents
Construction Specification Standards

Question 2

water distribution system

Answer 2

Hydraulic Principle
Regional Water Supply
Pressure Zones
Pump Stations
PRV Stations

Question 3

Key Design Parameters

Answer 3

Population (density)
Land use type (fire flow)
Minimum and max residual pressures
Peaking factor

Question 4

Water Quality Consideration

Answer 4

Disinfection of new watermains (chlorination)
Continuous Monitoring of water quality in network

Question 5

sanitary sewage system

Answer 5

Every lot with a sanitary connection in region is interconnected all the way to one of the five MVs’ WWTP
Primary Treatment, Secondary Treatment, Tertiary Treatment
Sanitary Pump stations, sanitary force mains

Question 6

storm drainage system

Answer 6

Catchment area (pervious and impervious)
Rainfall Return Frequency and intensity
Rational Method
Runoff Hydrograph method
Minor and Major systems (1:100 year) (1:2 - 1:10 year)
Culverts and watercourses

Question 7

service connections

Answer 7

Water main, sanitary sewer main, hydro/telephone, and gas main