HomeMy WebLinkAbout1.0 Application• •
TO: BOARD OF COUNTY COMMISSIONERS
OF GARFIELD COUNTY.
We, the undersigned petitioners,. wising to establish a Water and
Sanitation District pursuant to law, herewith submit and file the within Service
Plan pursuant to the Special District Control Act, C.R.S. 1963, as amended,
89-18-1, et seq:
1. NAME: The special district shall be known as the ROARING FORK
WATER AND SANITATION DISTRICT.
2. DISTRICT BOUNDARY. The District boundary will be as shown on
the attached map, Exhibit "A", and will contain approximately 450 acres.
3. POPULATION: It is estimated that the population of the District
will ultimately be 1,150 persons and the within facilities are designed to
serve this population. It should be pointed out that restrictive covenants
in effect for the area included in the District limit the number of dwelling
units to 360.
4. ASSESSED VALUATION: The assessed valuation of the proposed
District when all improvements are constructed, is estimated at $4,500,00.00.
5. PRELIMINARY ENGINEERING SURVEY AND DESCRIPTION OF FACILITIES
TO BE CONSTRUCTED: There is attached hereto as Exhibit B a pre -design study
report prepared by Eldorado Engineering Company, Glenwood Springs, Colorado. Said
report describes the facilities to be constructed, the service to be provided
and sets out the estimated costs of construction, engineering and legal expenses
and the expenses of organization of the proposed District. It is contemplated
that the facilities will be constructed and financed in stages as the demand
requires, however the estimated total cost for full development, including
organization, is $379,575.00.
• •
6. STANDARDS OF CONSTRUCTION: The water facilities will be
constructed according to American Waterworks Association Design Criteria and
in accordance with Colorado Department of Health Standards. The sewer facilities
will be constructed according to standard engineering procedures and in accordance
with the standards of the Colorado Department of Health.
7. PROPOSED FINANCING AND INDEBTEDNESS: It is estimated that
approximately $100,000.00 will be financed by tap fees and hook-up fees. The
balance will be financed through general obligation bonds to bear an estimated
91V, maximum interest per annum with a life of 30 years. It is contemplated
that the initial bond issue will be purchased by the developer because of the
limited initial market.
A. Annual operating and maintenance costs are estimated at $12,000.00.
B. Monthly service charges are estiamted at $15.00 per month per dwelling
unit for both water and sewer service. Commercial usage to be based
on number of water use facilities and sewage outlets.
C. It is contemplated that a mill levy of approximately 15 mills should
be sufficient for debt service, retirement and operating expense.
THEREFORE, the undersigned petitioners respectfully request that the
within service plan be heard as provided by law and that the Board adopt a
resolution of approval of the within plan.
Dated this 13th day of March, 1972.
JAC0BS0 DIV RSIFIED,
By
Stuart Swidler
Executive Vice -President.
'7
/
1. / /%,/-
E eCtor
/ '
Elector
Elector
.
Elector
•
REPORT OF:
PRE -DESIGN STUDY
OF DOMESTIC WATER AND
SANITARY SEWAGE SYSTEMS
ROARING FORK RANCH DEVELOPMENT
Q0
P.0
PE
ELDORADO ENGINEERING COMPANY
GLENWOOD SPRINGS, COLORADO 81601
FEBRUARY 25, 1972
Exhibit B
• 1
I. INTRODUCTION.
The following report illustrates the water and sewage system requirements
to serve the proposed "planned unit development" of portions of the
Roaring Fork Ranch east of Carbondale, Colorado.
II. DESIGN CRITERIA.
Computations in this report are based upon Phase I and ultimate dwelling
unit and commercial unit densities as provided by the owner.
These are as follows:
Phase I Ultimate
60 dwelling units
4o room hotel
150 seat restaurant -bar
300 dwelling units
40 room hotel
150 seat restaurant -bar
6 small retail shops
1 automobile service station
For purposes of calculation an average population of 3.2 people is
assumed for each dwelling unit.
III. UTILITY REQUIREMENTS
The calculations (appendix i) of sewage treatment capacity and domestic
water capacity requirements are self-explanatory. The results of the
calculations are summarized in the following tabulation.
Sewage Treatment Domestic Water Domestic Water
Plant Capacity Supply Requirement Storage Requirement
Phase I
Development 25,800 g.p.d.
Ultimate
Development 109,600 g.p.d.
• g.p.m. = gallons/minute
g.p.d. = gallons/day
49.7 g.p.m. 160,338 gallons
(71,568 g.p.d.)
205 g.p.m. 407,651 gallons
(295,229 g.p.d.)
• •
IV. RECOMMENDATIONS.
The following recommendations are made for the construction of utility
systems in phases which will keep pace with the land development.
1. Sewage System
(A) Phase I Development - construct a treatment plant with pre-
treatment and post treatment for 110,000 g.p.d. capacity and construct
aeration and clarification for 50,000 g.p.d. This will provide service
for the equivalent of an additional 75.6 dwelling units before plant
expansion is required.
(B) When sewage treatment plant capacity increase is required
add aeration and clarification for 60,000 g.p.d.
(C) All main outfall sewer line constructed for Phase I Development
should be designed for ultimate hydraulic loading.
2. Water System
(A) Construct the infiltration gallery and pump station and
chlorination for ultimate capacity during first phase construction.
(B) All water mains constructed for Phase I Development should
be designed for ultimate hydraulic requirements.
(C) During Phase I Development, construct a 200,000 gallon domestic
water storage tank. This will provide sufficient storage for the equiv-
alent of an additional 60 dwelling units before additional storage is
required.
(D) When storage requirements exceed 200,000 gallons, construct
an additional 200,000 gallon tank.
V. CONSTRUCTION COST ESTIMATE
Estimated costs for Phase I Water and Sewer System Construction were
calculated based upon the recommendations in IV above. These estimated
costs are tabulated in appendix ii and are summarized below:
Water System
Sewer System
$84,375
8, 1+oo
Estimated Total $169,775
VI. WATER AND SEWER SYSTEMS GENERAL PLAN
The proposed locations of facilities discussed in this report are
illustrated on the attached map.
ROARING FORK RANCH
SEWAGE 'TREATMENT WORKS - CAPACITY REQUIREMENTS
A. FULL DEVELOPMENT
CRITERIA
1. 300 dwelling units
2. Hotel - 40 rooms
3. Restaurant -bar 150 seats
4. 6 shops
5. 1 service station
SEWAGE LOADING
1. 300 D.U. @ 3.2 P.E./D.U.
2. (40) @ 120 g.p.d./rm.
3. 150 seats 4 meals/day
4. 6 @ 500 g. p. d.
service station
5.
B. DEVELOPMENT PHASE I
CRITERIA
1. 60 dwelling units
2. 40 room hotel
3. restaurant -bar 150 seats
SEWAGE LOADING
1/29/72
@ 100 g.p.d./P.E. = 98,000
4,800
3 gal/meal (no breakfast) 1,800
3,000
2,000
TOTAL 109,600
1. 60 D.U. @ 3.2 P.E./D.U. @ 100 g.p.d./P.E.
2. 4o @ 120 g.p.d./rm.
3. 150 seats @ 4 meals/day @ 3 gal/meal
TOTAL
P.E. = Population Equivalent
D.U. = Dwelling Unit
19,200
4,800
1, 800
25,80o
• 1
ROARING FORK RANCH 1/29/72
DOMESTIC WATER REQUIREMENT'S
A. FULL DEVELOPMENT
CRITERIA
1. 300 dwelling units
2. Hotel - 40 room
3. Restaurant -bar 150 seat
4-. 6 shops
5. 1 service station
WATER REQUIREMENTS (Average Day)
1. 300 D.U. @ 3.2 PE/DU @ 150 g.p.d./PE _ .144,000
2. 40 room @ 125 g.p.d./rm. 5,000
3. 150 seats 4/meal/day/seat G10 gal/meal 6,000
4. 6 @ 1000 6,000
5. service station 3,000
TOTAL AVERAGE DAY 164,00o gal.
FLAW REQUIREMENTS
Average Day 164,000
1440 = 113.9 g.p.m.
Peak Day _180 %Average Day = (113.9) (1.8) = 205.0 g.p.m. = 295,229 g.p.d.
= 0.4576 c.f.s.
Minimum Water Supply 205 g.p.m.
STORAGE REQUIREMENTS
1. Equalizing Storage = 30% of Peak Day Use =
(295, 229) (.30) = 88,569 gal.
2. Fire Storage
Required fire flow (National Board Fire Underwriters)
Q= 1020 (1 - .01 P )
P = Population in 1000
P= .96 i=.98
Q = (102o) (.98) (9902) = 989.8 g.p.m.
Fire Storage = Fire Flow for 4 Hours = (4) (60) (989.8) = 237,552 gal
3. Emergency Storage = 25% of total of all other storage
Equalizing 88,569
Fire 237 552
326,121
(.25) (326,121)
__§.1L532
Recommend total storage construction to be 400,000 gallons.
B. DEVELOPMENT PHASE I
CRITERIA
1. 60 dwelling units
2. 40 room hotel
3. 150 seat reastaurant
WATER REQUIREMENTS (Average Day)
1. 6o D.U. @ 3.2 P.E./D.U. @ 150 g.p.d. 28,800
2. 40 @ 125 g.p.d. 5,000
3. 150 seats 4 meals/seat @ 10 gal/meal 6,000
TOTAL AVERAGE DAY 39,800
•
FLOW REQUIREMENTS
Average Day 300 = 27.6 g.p.m.
Peak Day= 180% Average Day = (27.6) (1.8) = 49.7 g.p.m. = 71,568 g.p.d.
= 0.111 c.f.s.
Minimum Water Supply =.49.7 g.p.m.
STORAGE REQUIREMENTS
1. Equalizing Storage = 30% of Peak Day Use =
(.30) (71, 568) = 2122112_5111:.
2. Fire Storage
Required fire flow (National Board Fire Underwriters)
Q 10201P (1 -.01 P )
P. Population in 1000
P=.192 _ .438
Q. 1020 (.438) (.996) = 445 g.p.m.
Fire Storage = Fire Flow for 4 hours = (4) (60) (445) = 106,800 gal.
•
3. Tnergency Storage = 25% of total of all other storage
Equalizing
Fire
21, x+70
106.r, 800
128, 270
(.25) (128,270) 32,068
160,338
Recommended First Storage = 200,000 gallons.
appendix ii
411
•
ROARING FORK RANCH - UTILITY CONSTRUCTION COST ESTIMATE 3/2/72
PHASE I - WATER SYSTEM
(A) Pipeline
8" ductile iron 3300 1.f. @ 8.75 28,875
6" ductile iron 240 1.f. @ 8.00 1,920
fire hydrants, 5 @ 650.00 3,250
(B). Storage Tank
tank base and valving
200,000 gallon steel tank
(C) Supply Development
infiltration gallery
chlorination
pumping equipment
pump station housing
pump to tank controls
5% miscellaneous and contingency
design engineering
Total Water
PHASE I - SEWAGE SYSTEM
4,000
24,500
3,000
2,500
3,800
1,200
1,600
74,645
3,730
6,00o
$84,375
8" sewer line 3610 1.f. @ 7.00 - 25,270
manholes 15 @ 350.00 5,250
2 creek crossings special treatment, 500 @ 1,000
treatment plant
5% miscellaneous and contingency
design engineering
Total Sewage
42, 000
73,520
3,68o
8, 200
$85,400
• •
ESTIMATED WATER AND SEWER SYSTEM COSTS, PHASE 2 THROUGH FULL DEVELOPMENT.
WATER:
SEWER:
6" 4140 1.f. at $8.00
8" 1750 1.f. at $8.75
200,00 gallon storage
15 fire hydrants at $650.00
$ 33,120.00
15,313.00
28,000.00
9,750.00
$ 86,183.00
5 '/ miscellaneous and contingencies 4,317.00
Design Engineering
$ 90,500.00
7,200.00
Estimated Total $ 97,700.00
Plant expansion to 110,000 g.p.d.
5900 1.f. 8" sewer at $7.00
20 manholes at $350.00
'5 °% Miscellaneous and contingencies
Design engineering
Estimated Total
$ 40,000.00
41,300.00
7,000.00
$ 88,300.00
4,400.00
$ 92,700. 00
7,400.00
$100,100.00
• •
SUMMARY
ESTIMATED COST FOR FULL DEVELOPMENT
WATER SYSTEM
Phase One
Phase Two through
Full Development
SEWAGE SYSTEM
Phase One
Phase Two through
Full Development
TOTAL WATER AND SEWAGE
-Legal and Organizational
First year operation and maintenance
$ 84,375.00
97,700.00
$ 182,075.00
$ 85,400.00
100,100.00
$ 185,500.00
$ 367,575.00
3,000.00
9,000.00
$ 379,575.00
• •
REPORT OF:
PRE -DESIGN STUDY
OF DOMESTIC WATT AND
SANITARY SEWAGE SYSTEMS
ROARING FORK RANCH DEVELOPMENT
ELDORADO ENGINEERING COMPANY
GLENWOOD SPRINGS, COLORADO 81601
FEBRUARY 25, 1972
I. INTRODUCTION.
The following report illustrates the water and sewage system requirements
to serve the proposed "planned unit development" of portions of the
Roaring Fork Ranch east of Carbondale, Colorado.
II. DESIGN CRITEEIA.
Computations in this report are based upon Phase I and ultimate dwelling
unit and commercial unit densities as provided by the owner.
These are as follows:
Phase I
60 dwelling units
40 room hotel
150 seat restaurant -bar
Ultimate
300 dwelling units
40 room hotel
150 seat restaurant -bar
6 small retail shops
1 automobile service station
For purposes of calculation an average population of 3.2 people is
assumed for each dwelling unit.
III. UTILITY REQUIREMENTS
The calculations (appendix i) of sewage treatment capacity and domestic
water capacity requirements are self-explanatory. The results of the
calculations are summarized in the following tabulation.
Sewage Treatment Domestic Water Domestic Water
Plant Capacity Supply Requirement Storage Requirement
Phase I
Development 25,800 g.p.d.
Ultimate
Development 109,600 g.p.d.
g.p.m. = gallons/minute
g.p.d. = gallons/day
49.7 g.p.m. 160,338 gallons
(71,568 g.p.d.)
205 g.p.m. 1+07,651 gallons
(295,229 g.p.d.)
1 •
IV. RECOMMENDATIONS.
The following recommendations are made for the construction of utility
systems in phases which will keep pace with. the land development.
1. Sewage System
(A) Phase I Development - construct a treatment plant with pre-
treatment and post treatment for 110,000 g.p.d. capacity and construct
aeration and clarification for 50,000 g.p.d.. This will provide service
for the equivalent of an additional 75.6 dwelling units before plant
expansion is required.
(B) When sewage treatment plant capacity increase is required
add aeration and clarification for 60,000 g.p.d.
(C) All main outfall sewer line constructed for Phase I Development
should be designed for ultimate hydraulic loading.
2. Water System
(A) Construct the infiltration gallery and pump station and
chlorination for ultimate capacity during first phase construction.
(B) Allwater mains constructed for Phase I Development should
be designed for ultimate hydraulic requirements.
(C) During Phase I Development, construct a 200,000 gallon domestic
water storage tank.. This will provide sufficient storage for the equiv-
alent of an additional 60 dwelling units before additional storage is
required.
(D) When storage requirements exceed 200,000 gallons, construct
an additional 200,000 gallon tank.
V. CONSTRUCTION COST ESTIMATE
Estimated costs for Phase I Water and Sewer System Construction were
calculated based upon the recommendations in IV above. These estimated
costs are tabulated in appendix ii and are summarized below:
Water System
Sewer System
$84,375
B5, Loo
Estimated Total $169,775
VI. WATER AND SEWER SYSTEM GENERAL PLAN
The proposed locations of facilities discussed in this report are
illustrated on the attached map.
411 appendix i •
ROARING FORK RANCH 1/29/72
SEWAGE TREATMENT WORKS - CAPACITY REQUIREMENTS
A. FULL DEVELOPMENT
CRItr1 RIA
1. 300 dwelling units
2. Hotel - 40 rooms
3. Restaurant -bar 150 seats
4. 6 shops
5. 1 service station
SEWAGE LOADING
1. 300 D.U. @ 3.2 P.E./D.U. @ 100 g.p.d./P.E. . 98,000
2. (40) @ 120 g.p.d./rm. 4,800
3. 150 seats 4 meals/day @ 3 gal/meal (no breakfast) 1,800
4. 6 @ 50o g.p.d. 3,000
5. service station 2,000
TOTAL 109,600
B. DEVELOPMENT PHASE I
CRI'Pi RIA
1. 60 dwelling units
2. 40 room hotel
3. restaurant -bar 150 seats
SEWAGE LOADING
1. 60 D.U. @ 3.2 P.E./D.U. @ 100 g.p.d./P.E. 19,200
2. 40 @ 120 g.p.d./rm. 4,800
3. 150 seats @ 4 meals/day @ 3 gal/meal 1,800
TOTAL 25,800
P.E. = Population Equivalent
D.U. = Dwelling Unit
ROARING FORK RANCH 1/29/72
DOMESTIC WATER REQUIREMENTS
A. FULL DEVELOPMENT
CRITERIA
1. 300 dwelling units
2. Hotel - 40 room
3. Restaurant -bar 150 seat
4. 6 shops
5. 1 service station
WATER REQUIREMENTS (Average Day)
1. 300 D.U. @ 3.2 PE/DU @ 150 g.p.d./PE _ 144,000
2. 40 room @ 125 g.p.d./rm. 5,000
3. 150 seats 4/meal/day/seat 010 gal/meal 6,000
4. 6 @ 1000 6,000
5. service station 3,000
TOTAL AVERAGE DAY 164,000 gal.
FLOW REQUIREMENTS
Average Day 16it0000 = 113.9 g.p.m.
Peak Day =180 %Average Day = (113.9) (1.8) = 205.0 g.p.m. 295,229 g.p.d.
= 0.4576 c.f.s.
Minimum Water Supply 205 g.p.m.
STORAGE REQUIREMENTS
1. Equalizing Storage = 30% of Peak Day Use =
(295,229) (.30) = 88,569 gal.
2. Fire Storage
Required fire flow National Board Fire Underwriters)
Q = 1020 'IP (1 - .01 P )
P = Population in 1000
P= .96 IF_ .98
Q = (1020) (.98) (,9902) = 989.8 g.p.m.
Fire Storage = Fire Flow for 4 Hours = (4) (6o) (989.8) = 237,552 gal
• •
3. Emergency Storage = 25% of total of all other storage
Equalizing 88,569
Fire 237 552
326,121
(.25) (326,121)
_21125.22
7, 51
Recommend total storage construction to be 400,000 gallons.
B. DEVELOPMENT PHASE I
CRITERIA
1. 60 dwelling units
2. 40 room hotel
3. 150 seat reastaurant
WAIEE REQUIREMENTS (Average Day)
1. 60 D.U. @ 3.2 P.E./D.U. @ 150 g.p.d. 28,800
2. 40 @ 125 g.p.d. 5,000
3. 150 seats 4 meals/seat @ 10 gal/meal 6,000
TOTAL AVERAGE DAY 39,E
FLOW REQUIREMENTS
Average Day �39 800
141 = 27.6 g.p.m.
Peak Day_ 180% Average Day = (27.6) (1.8) = 49.7 g.p.m. = 71,568 g.p.d.
= 0.111 c.f.s.
Minimum Water Supply = 49.7 g.p.m.
STORAGE REQUIREMENTS
1. Equalizing Storage = 30% of Peak Day Use =
(.30) (71, 568) = 21,470 gal.
2. Fire Storage
Required fire flow (National Board Fire Underwriters)
Q = 1020 -FP— (1 -.01 P )
P = Population in 1000
P = .192 _ .438
Q = 1020 (.438) (.996) = 445 g.p.m.
Fire Storage = Fire Flow for 4 hours = (4) (60) (445) = 106,800 gal.
• •
3. Emergency Storage . 25% of total of all other storage
Equalizing 21,470
Fire 106 800
125,270
(.25) (128,270) 32,068
160,338
Recommended First Storage . 200,000 gallons.
appendix ii
ROARING FORK RANCH - UTILITY CONSTRUCTION COST ESTIMATE
PHASE I - WATER SYSTEM
3/2/72
(A) Pipeline
8" ductile iron 3300 1.f. @ 8.75 28,875
6" ductile iron 240 1.f. Q 8.00 1,920
fire hydrants, 5 @ 650.00 3,250
(B) Storage Tank
tank base and valving
4,000
200,000 gallon steel tank 24,500
(C) Supply Development
infiltration gallery
chlorination
pumping equipment
pump station housing
pump to tank controls
5% miscellaneous and contingency
design engineering
Total Water
PHASE I - SEWAGE SYSTEM
3,000
21500
3,800
1,200
1, 600
74,645
3,730
6,000
$84,375
8" sewer line 3610 1.f. @ 7.00 25,270
manholes 15 @ 350.00 5,250
2 creek crossings special treatment, 500 1,000
treatment plant
5% miscellaneous and contingency
design engineering
Total Sewage
42,000
73,520
3,680,
8,200
$85,40o