Valley R Center-CS 870406ALBERT H. HALFF ASSOCI, -'S, INC.
Engineers and Scientists
6616 Northwest Plaza Drive
DALLAS. TEXAS 75225
Telephone (214) 739-0094
~___~ / / ~j¢~ ~ 7 ,~Z~ l ~l
WE ARE SENDING YOU [] Attached [] Under separate cover via _the following items:
[] Shop drawings [] Prints [] Plans [] Tracings [] Specifications
[] Copy of letter [] Change order []
COPIES DATE NO. DESCRIPTION
~" / .~D-I~- .~(~-n,
THESE ARE TRANSMITTED as checked below:
[] For approval
[] For your use
[] As requested
[] For review and comment
[] FOR BIDS DUE
[] ApproVed as submitted
[] Approved as noted
[] Returned for corrections
[]
19
[] Resubmit
[] Submit
[] Return
copies for approval
copies for distribution
corrected prints
__ [] PRINTS RETURNED AFTER LOAN TO US
COPY TO
SANITARY EWER DEMAND
PECEtVED APR 0 ? BG? I
ba,,IT~:Y SS~ER DESIGN CHART
:~REq NO, : AREA : PCRUL. IAVC-.FLO~$ : PEAK!NS I I~,FILT. :PEAK FLDNIPIPE SIZE:
: (AC.) ', I :HGD) : F~CTOR ', (HBO) ~ {MGD)
1 ', 11.~ I 2592 I 0,07B ~ 3.50 ', 0,002 ', 0.275
2 I I0.0 ; 4]~ ', 0.0;3 ', 4.00 ~ 0.0(2 I 0,054 lB"/ 0.32%:
ZONE B
~AREI NO. ', AREA ~ POPUL. ',AVG.FLOW ~ PEAKING ~ I~FILT. fPEA},~ FLOW',PIPE SIZEI
', (AC.) ', ~ (~S[1 ~ FACTOR ', (~:GD) : (HGD)
; ~ 29.7 ', 1294 i 0.059 ~ 5.75 ~ 0,006 : 0.!52
I 4 I 29.S I 1276 ; 0.058 ; = ~ 0.006 ; 0.148 IB"/
I ZO:,'E C
:AREA NO. : AREA I POPUL. ;AVG.FLOW ~ PEAKING I INFiLT. :PEAK FLOW:PIPE S!ZE~
I (AC.} : I (MGD) : FACTOR : {MGD) I (MGD) I /GRADE :
I 5 I 20.6 I 8% I 0,027 I ~.GJ ~ 0,004 i 0.~07 IB';/ 0.32%;
DAILY WATER DEMAND
RETAIL Land Use:
Area - 11.9 Acres
A58DI~:
501 coverage
11 person per 100 square feet
30 gallon per day per person
51 landscape area irrigated l"/week
POPLUATION - I1.9 Acre x 43.560 ft2 x 0.5 x l~erson
Acre 2
100 ft
' 2,592 persons
Avg. Domestic Water Demand ~ 2,592 persons x 30 ~od
person
77,760 gpd
2
Irrigation Water Demand - I1.9 Acres x 43.560 ftx 0.05 x 0.833 f: x I ~eek x
Acres Veek 7 Days
' 2,307 gpd
OFFICE SHO~ROOH Land Use:
Area - 10.0 + 29.7 + 29.3 +20.6 - 89.6 Acres
50I Coverage
50l of Coverage is office and 501 is warehouse
I person per 250 square feet
30 gallons per day per person
15I landscape area irrgated 1"/week
2
PopulaEiou - 89.6 x 43560 it x 0.50 x 0.50 x ~
Acre 2
250 ft
'3,903 persons
Avg, Domestic Water end Sever Demand - 3,903 persons x 30 end
person
= 117,090 gpd
2
Irrigation Water Demand = 86.9 Acres x ~3_,.5.60__/X_ x 0.15 x 0.08~3 ftx I v~ek x
Acres Week 7 Days
' 52~112 gpd
SUMMARy:
Domestic
Irrigation
77,760
2,307
SIIO~RO~
117,090
52,112
194,850
249,269 spd