HomeMy WebLinkAboutpitkin.eh.272917300022 (2009)Pitkin County Environmental Health Department
Contact Log Sheet
Name: -
Parcbl ID#: Address:
Date.:. ('erson-S9ken TO - Coizimehts /-Action to be Taken -_ Initials Time
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OWTS DESIGN CALCULATIONS - for Pitkin
Parcel ID # -
Owner's Name �,�` mow',. � iii i_ . _ ''.. �_
House Size (sq. ft.) (75 gpd or 100 gpd)
100
Number of Bedrooms in Main House
°
Number of Offices, Libraries Studies Similar -sized Rooms in Main House
Number of Bedrooms in Detached Caretaker unit
Number of Offices, Studies, Similar -sized Rooms in Caretaker Unit
(If the caretaker unit is ATTACHED, treat as if part of main house.)
Average Daffy Waste Flow 750
State Review Required? no
Perc Rate AM (T)
Design Flow (Q) = # potential bedrooms X 2 people/bedroom X gpd X 1.5
Q= 1125
Minimum tank capacity 1406 gallons
Absorption Area (=Q/5 X SQRT perc rate)(1.4 loading factor)
A = 1,220 sq. ft. of absorption area required
Absorption Area (=Q/5 X SQRT perc rate) WITH SECONDARY TREATMENT (no loading factor)
A= 871 sq. ft. of absorption area required
Abs. Area w/ loading factor (1325) Trench Bed
Quick4 Trench
Quick4 Bed
Pipe and Gravel (-10%) 1098 no red. 1220
111
124
Dosing (-20%) 976 (-20%) 976
99
99
Chambers (-30%) 854 (-10%) 1098
87
111
Max Allowable (5M 610 (-30%) 854
62
87
Secondary Treatment
Abs Area w/ out loading factor (B28) Trench Bed
Pipe and Gravel (-10%) 784 no red. 871
79
88
Dosing (-20%) 697 (-20%) 697
71
71
Chambers (-30%) 6110 (-10%) 784
62
79
Max Allowable (-50%) 436, (-30%) 610
44
62
110
SETBACK FROM WELL
# of feet =
60
SETBACK FROM POND, STREAM OR IRRIGATION DITCH
# of feet =
35
SETBACK FROM DRY GULCH
# of feet =
OWTS DESIGN CALCULATIONS - for Pitkin
Owner's Name �A ,_ n Parcel ID #
�� . " 75 d or 100 d 75 KK� iVli� Q�
House Size (sq. ft.) � ,. �„ _ � m_m �;� (`gp gP)
Number of Bedrooms in Main House 1W L IooWs�
Number of Offices, Libraries, Studies, Similar -sized Rooms in Main House t
Number of Bedrooms in Detached Caretaker unit M L
Number of Offices, Studies, Similar -sized Rooms in Caretaker Unit MW
(If the caretaker unit is ATTACHED, treat as if part of main house.)
Average Daily Waste Flow 600
State Review Require no
Perc Rate �
Design Flow (Q) = # potential bedrooms X 2 people/bedroom X gpd X 1.5
Q= 900
Minimum tank capacity 1125. gallons
Absorption Area (- SQRT perc rate)(1.4 loading factor)
A = 976sVt. of absorption area required
Absorption Area (=Q/5 X SQRT perc rate) WITH SECONDARY TREATMENT (no loading factor)
A= 697 sq. ft. of absorption area required
Abs. Area w/ loading factor (B25) Trench Bed
Quick4 Trench
Quick4 Bed
Pipe and Gravel (-10%) 878 no red.
976
89
99
Dosing k, -20% 3 781 (-20%)
<Z 781
79
79
Chambers (-30%) 683 (-10%)
878
69
89
Max Allowable -50% 488 (-30%)
683
49
69
Secondary Treatment
Abs Area w/ out loading factor (B28) Trench Bed
Pipe and Gravel (-10%) 627 no red.
697
64
71
Dosing (-20%) 558 (-20%)
558
57
57
Chambers (-30%) 488 (-10%)
627
49
64
Max Allowable (-50%) 349 (-30%)
488
35
49
100
SETBACK FROM WELL
# of feet =
50
SETBACK FROM POND, STREAM OR IRRIGATION DITCH
# of feet =
25
SETBACK FROM DRY GULCH
# of feet =