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SPRING DEVELOPMENT

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SPRING DEVELOPMENT
Ken Bousfield, P.E.
Utah Division of Drinking Water
WHEN IS A SYSTEM PUBLIC?
пЃ®
Prior to Construction:
–
–
пЃ®
After Construction
–
пЃ®
Plan Review Issues
Source Water Protection
Construction Inspection
After Use Meets the “Public” Definition
–
Water Quality Monitoring
BASIS FOR RULES:
– Plan
review a “Primacy”
requirement
– Engineering principles
– Experienced based rules
PRELIMINARY CONCERNS:
Water Rights
– Source Protection
– Under the Direct Influence
– Chemical Quality
– Source Capacity
–
PLAN REVIEW PROCESS:
Anticipated Design
– “As Built” Plans
– Bacteriologic Quality
– Operational Permits
–
BO UN DR Y OF
PR OT EC T ION A RE A
NATURAL DRAINAGE CHANN EL
S TO C K T I GH T F E NC E
50 ' MI NIMU M
DIVERSI ON CHANNEL
AROUND SPRING
DIVE RSION CHANNEL
AROUND SPRING
SP RING
BOX
15 ' MI NIMU M
BO UN DA R Y O F
PR OT EC T ION A RE A
-S UPPL Y PI PE
100' MI NIMUM
D I AG R A M 6 - 2
NATURAL DRAINAGE CHANN EL
B O U ND A R Y
AREA SEE
O F P R O T EC T I O N
D IA . 6 - 2 F O R D ET A I L S
DI VE RS I ON CH AN NE L
5 0 ' M IN I M U M
TYPICAL
TILES
50'MINI MUM
COLLECTION
50'MINI MUM
TYPICAL
COLLECT ION
TILES
15'MINI MUM
S U P PL Y
REQUIRED AREA
PROTECTION FOR SEEPAGE
TYPE SPRINGS
S TO C K T I GH T
F EN C E
PIPE
NO TE: ALL TR EES AND BR USH
WI THIN 50 ' O F TH E
CO LLEC TIO N T ILES SHO UL D
BE REM OVE D T O KE EP T HE
LI NES FRE E O F RO OTS
DIAGR AM 6-3
S U G G ES T ED D ET A I LS F O R S PR I N G
D E V EL O P M EN T I N A LL U V I A L
F O RM A T I O N S
U N D EV E L O P ED S PR IN G
S PRIN G
W A TE R BE A RIN G FO R M AT IO N
IM PERV IO U S F O RM A T IO N
D E V E LO PE D S PR I N G
JU NC TI ON
1 0 f t. R E L A T I VE L Y
B OX
O V E R F LO W
LIN E
# 4 M ESH SCREEN
C L A Y CU T
O F F W A LL
6 " M I N IM U M
I M PE R VI O U S
M A TERIA L
S H U T O FF VA L VE
PE R M A N E N T FL O W
METER
W AT E R BE A RI N G
F O R M A T IO N
CO LL EC TI ON
T IL E
SU PP LY
P IP E
GR AV EL
DIAGRAM
6-4
SPRING TRENCH DETAIL
UNDERMINED SPRING:
D I A GR A M 6 -1
ELEVATION SECTION
OOVVE
E RRF
F LL
OW
P EPEW /W/
# 4#4
M E SME
H SH
OWP IPI
SSCCR
R EEE
E NN
BU LK HEA D
S TE EL DO O R & F RA ME
S UG G ES T ED DE T AI L S F OR
C OL L EC T IO N O F S P RI N G W AT E R
I N T UN N EL S
N OT E :
I NC L UD E P E RM A NE N T F LO W
M EA S UR I NG DE V IC E
SU PPL Y P IPE
T OP VI E W
CO NCR ETE TU NNE L L INI NG
G RO UN D S U RF AC E
F RO N T V IE W
LOCK
H IN GE S
S ID E V I EW
HINGED DOOR W/LOCK
B UL K HE AD
S UP PL Y PI PE
O VE RF LO W PI PE
W / # 4 M ES H S C R E E N
G ROUND
SURFAC E
RI
SPP
PR
RIIN
SS
NNG
GG
O VE RF LO W PI P E
W /# 4 ME SH
S CR EE N
G RO UN D SU RF AC E
S UP PL Y PI PE
HINGED SH OE BOX TYPE LID
WITH GASK ET
LOCKED
4 " R IS E O N A C C ES S E N TR Y
TURNED DO WN AIR VENT
W/#14 MES H SCREEN
OT HER REQ UIRE MEN TS:
1.NO STAN DING WATER OVER COLLECTION AREA .
2.NO DEEP ROOTED VEGETATI ON IN SPRING
COLLECT ION AREA.
3.NO ROOT S GROWING IN COL LECTION PIPING.
4.STOCK T IGHT FENCE AROUN D COLLECTION AR EA.
5.DIVERSI ON CHANNEL AROUN D COLLECTION AR EA.
6.NEEDS A PERMANENT FLOW MEASURING DEVIC E.
AD DITI ONA L IN FOR MATI ON:
OVERFLOW PIPE
W/#4 MESH SCREEN
1.DOES SP RING HAVE SOURCE PROTECTION PLA N.
2.TYPE OF COLLECTION PIPE .
3.CONFINE D AQUIFER.
4.DISTANC E TO SURFACE WAT ER.
5.CURRENT FLOW RATE.
12" OF
FREEFALL
ACCEPTABL E LINER
MINIMUM 2 FEET OF
IMPERVIOU S SOIL
COVER WI TH LINER
MINIMUM 1 0 FEET OF
IMPERVIOU S SOIL COVER
WITHOUT L INER
SPRING JUNCTION BOX:
CAPACITY ISSUES:
–
Source Capacity
пЃ®Peak
–
Day Use
Storage Capacity
пЃ®Average
–
Day Use
Distribution Capacity
пЃ®Peak
Instantaneous Use
SOURCE CAPACITY ISSUES:
–
Peak Day Use in gallons/day (gpd)
пЃ®Residence:
800gpd
пЃ®Picnic/Park: 5gpd/person
Visitor’s Center: 5gpd/person
пЃ®Campground Hydrant: 35gpd/person
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