05-0498 Water Balance Rpt 040108
a
Civil •l~ni~ipal *C~~t~~lir~ical Enineerir~g and F~lanning
r ~° r~~t Ci s .~
170 ~oog~es- Pt. Pe~ad ~.ltV. #~~-2, Olyrrapia, a. 9~5Q2-`I 11~J Ph 360.;352.~~5~ Fx 3~~J.352.9~90
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n ~ ~r`f Sty y° ~ crrsc~rt u~ ~far`r~c~~rr, a le ~ lists hsical and
she i~al properties of e sails. panavva}~ ~. soil lists a permeability rate of
. to . inc s our i t e o " of soil de t e average value of 4.0
ins es/hour ill e use fort is r o .
con u ivi less t a t~s/ T rfc~re® sine t soils and irrigation
star of have low coda ivi levels, the likelihood o salt build up in the soil
e to t use of reclaimed water is insi nificant.
T e water holding capaci for Spans ay soil is 2. inches in the to 2C1
ices for appro~ci ately x.1.5 %. T ere is ve li le clay in t is soil,
i t s:
T e approach for t e landscaping of this roec is to a ply su icient a Dante of
water to keep the Ian scapin plants lus ealthy ile not over-applying
star so that is not rechargin groundwater. To arrive at a proper loading rateF
the folio ing factors were consi .erect.
1. e plants an their average rootin e t.
. verage water cons ption rates o lants or evapotranspiration rates.
. Bather conditions.
. .star holding capaci oft e soil.
T above have Ben used to esti ate t e yearly, ont ly, and daily loading
rates for lams used for landscaping on this parcel. This report dogs not address
t e design of t irrigation syste . The intent of t is report is to estimate the
needs which will be used in ssin an osin of the irri atio syste
s
~' ere are only ii iced references avails le for ova otranspiration etas (the rate
plants use water lus what they lose ue to eve orations for landscaping plants.
t~ .her ore, Evapotranspiration etas change t roghout the year and
i er fro r ion to re ion as ell as fro lent to la t®
ter I
Sine t ost irrigation v~ater e on any i~ren ay is 0,55" (in July) and
t sail in t e root zone X24'° as a water of in apa~i of , "the likelihood
cat irrigation water infiltrating past the root o i low.
itional eontrol features are sin i stalls o t is syste ~'he eontrol panel
fortis irrigation syste as an acesso galled a ini Bather Station
ch nt . J* is dee~iee has three separate functions,
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