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VICINITY MAP

GENERAL NOTES:1. ALL WATERLINES AND SANITARY SEWER LINES SHALL BE CONSTRUCTED

PER THE CITY OF THORNTON STANDARDS AND SPECIFICATION FOR THEDESIGN AND CONSTRUCTION OF PUBLIC AND PRIVATE IMPROVEMENTSAND ALL APPLICABLE MASTER PLANS IN EFFECT AT THE TIME OFDEVELOPMENT. LARGER LINES SHALL BE CONSTRUCTED IF NECESSARYTO SERVE THE DEVELOPMENT. LINE SIZES SHALL BE DETERMINED WITHTHE FINAL UTILITY REPORT.

2. ALL OFF-SITE EASEMENTS REQUIRED FOR THE CONSTRUCTION OF THEWATER AND SANITARY SEWER SYSTEMS SHALL BE ACQUIRED BY THEDEVELOPER PRIOR TO APPROVAL OF THE SUBDIVISION PLAT. THERECEPTION NUMBERS FOR THESE EASEMENTS SHALL BE INCLUDED ONTHE PLAT.

3. ALL WATERLINES CONSTRUCTED SHALL BE LOOPED; IN ADDITION, THESYSTEM PRESSURE REDUCING VALVES SHALL BE UTILIZED TO KEEP THESTATIC PRESSURES BELOW 100 PSI. A MINIMUM STATIC PRESSURE OF40 PSI SHALL BE MAINTAINED FOR THE SITE.

4. COORDINATION IS REQUIRED FOR SERVING WATER AND SANITARYSEWER TO THE ADJACENT PROPERTY OWNERS. STUB-OUTS SHALL BEPROVIDED FOR FUTURE DEVELOPMENT OF THESE PROPERTIES.

5. THE DEVELOPER IS RESPONSIBLE FOR ANY IMPROVEMENTS TOAPPLICABLE LIFT STATIONS WHICH ARE NECESSARY TO SERVE THISDEVELOPMENT. IMPROVEMENTS WILL BE DETERMINED WITH THEFINAL UTILITY REPORT.

6. A FINAL UTILITY REPORT WILL BE REQUIRED WITH THE DEVELOPMENTOF EACH PLANNING AREA. A SANITARY SEWER BASIN STUDY ISREQUIRED WITH THE REPORT TO EVALUATE THE EXISTING SANITARYSEWER SYSTEM DOWNSTREAM OF THE PROPOSED DEVELOPMENT, ASWELL AS ANTICIPATED DEVELOPMENT UPSTREAM FOR THE SIZING OFFACILITIES. ALL NECESSARY IMPROVEMENTS REQUIRED TO SERVE THEDEVELOPMENT ARE THE RESPONSIBILITY OF THE DEVELOPER.

7. THE OWNER AGREES TO PARTICIPATE IN ALL REIMBURSEMENTAGREEMENTS ASSOCIATED WITH THE PROPERTY.

8. ALL METERS SHALL BE SIZED IN ACCORDANCE WITH THE ADOPTEDVERSION OF INTERNATIONAL PLUMBING CODE AND ALL ADOPTEDAPPENDICES IN EFFECT AT THE TIME OF APPROVAL.

PRELIMINARY UTILITY PLANFOR

SIDEWALK

STANDARD SYMBOLS

EXISTING PROPOSED

1 FOOT CONTOURS

DIRECTION OF SWALE FLOW

DIRECTION OF OVERFLOW RELIEFDIRECTION OF SHEET FLOW

CURB AND GUTTER (CATCH)

CURB AND GUTTERCURB AND GUTTER (SPILL)

DEPRESSED

TRAFFIC SIGNAL

WATER MAIN

PVC STORM SEWER

SANITARY SEWER

RCP STORM SEWER

CURB STOP

STORM MANHOLESTORM INLET (CURB & GUTTER)

SANITARY MANHOLE

GATE VALVEFIRE HYDRANT

FLARED END SECTION

STREET LIGHT

ELECTRICAL EQUIPMENT

POWER POLE

LOW POINTSUMMIT

SIGN

TELEPHONE EQUIPMENT

MAIL BOX

RIP RAPCLEANOUT

TELEPHONE

ELECTRICGAS

GAS VALVEGUY WIRE

CHAIN-LINK FENCESPOT ELEVATIONBRUSH/TREE LINE

DECIDUOUS TREE WITHTRUNK DIA. IN INCHES (TBR)

HEIGHT IN FEET (TBR)CONIFEROUS TREE WITH

SILT FENCE

PROPERTY LINE

ACCESSIBLE CURB RAMP

RETAINING WALL

R.O.W. LINEEASEMENT LINE

AIR RELEASE VALVE

THRUST BLOCK & FITTING

STORM INLET (LANDSCAPE)

6995.05 P

PVC ROOF DRAIN/FOUNDATION DRAIN

>

SHEET INDEXSHEET

NUMBER SHEET TITLE

1 COVER SHEET2 PRELIMINARY WATER PLAN3 PRELIMINARY SANITARY SEWER PLAN

LOT 1A, BLOCK 1, WASHINGTON CENTER SUBDIVISION FILING NO. 1 - 6TH AMENDMENTLOCATED IN THE SOUTHWEST QUARTER OF SECTION 35, TOWNSHIP 1 SOUTH, RANGE 68 WEST

OF THE SIXTH PRINCIPAL MERIDIAN, CITY OF THORNTON, COUNTY OF ADAMS, STATE OF COLORADO

:

_____________________SIGNEDKEVIN P. BARNEYCOLORADO P.E. #39719

BONAVENTURE OF THORNTON SENIOR LIVING

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(ZONING = COMMUNITY RETAILLAND USE = PARKS AND RECREATION)

(ZONING = OFFICELAND USE = VACANT)

CONNECT TOEXISTING 12" WM

CONNECT TOEXISTING 12" WM

8" WM (TYP)

8" WM (TYP)

FIRE SERVICE

DOMESTICWATER SERVICE

HYDRANT

8" WM (TYP)

HYDRANT

HYDRANT

HYDRANT

(TOTAL AREA: 8.71 ACRES)

PROPOSED LOT LINE

PROPOSED LOT LINE

PROPERTY LINE

PROPERTY LINE

PROPERTY LINE

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LEGEND

EXISTING MINOR CONTOUR (1')

EXISTING MAJOR CONTOUR (5')

EXISTING WATER MAIN

PROPOSED WATER MAIN

PROPOSED WATER SERVICE

5135

5134

NOTES:1. THE PROPERTY IS LOCATED WITHIN THE THORNTON CITY LIMITS.

2. THE PROPERTY IS ENTIRELY WITHIN CITY OF THORNTON WATERPRESSURE ZONE 3.

HIGH TANK HGL=5510LOW SITE ELEVATION=5319HIGH SITE PRESSURE=83 PSI

LOW TANK HGL=5485HIGH SITE ELEVATION=5337LOW SITE PRESSURE=64 PSI

3. PROPOSED WATER MAIN SIZES SHOWN ARE PRELIMINARY AND MAYVARY WITH THE FINAL DEVELOPMENT DESIGN.

4. NO PRVs WILL BE REQUIRED FOR THIS DEVELOPMENT SINCE THEPROPOSED GRADES FALL WITHIN THE ELEVATION RANGE SHOWNABOVE FOR PRESSURE ZONE 3.

5. THE FUTURE DEVELOPMENT ON PROPOSED LOT 2 WILL REQUIRE ASEPARATE CSP SUBMITTAL TO THE CITY OF THORNTON. APRELIMINARY WATER PLAN WILL BE REQUIRED AT TIME OF CSP FORTHIS LOT AND IS NOT INCLUDED AS PART OF THIS PROJECT.

6. PROPOSED 8" WATER MAIN, HYDRANTS, AND APPURTENANCES SHALLBE PUBLIC AND OWNER/MAINTAINED BY THE CITY OF THORNTON.PROPOSED DOMESTIC WATER SERVICE AND FIRE SERVICE SHALL BEPRIVATE AND OWNED/MAINTAINED BY PROPERTY OWNER OF FUTUREASSIGNS.

7. UTILITIES SHOWN ARE FOR INFORMATIONAL PURPOSES ONLY ANDMAY BE ADJUSTED DURING CONSTRUCTION DOCUMENTS REVIEW.

CONNECT 8" SANITARYSEWER TO EX SMH

(TOTAL AREA: 8.71 ACRES)

6" SANITARYSEWER SERVICE

6" SANITARYSEWER SERVICE6" SANITARY

SEWER SERVICE

8" SANITARYSEWER (TYP)

PROPOSED LOT LINE

PROPOSED LOT LINE

PROPERTY LINE

PROPERTY LINE

PROPERTY LINE

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WYE CONNECTION(TYP) WYE CONNECTION (TYP)

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LEGEND

EXISTING MINOR CONTOUR (1')

EXISTING MAJOR CONTOUR (5')

EXISTING SANITARY SEWER

PROPOSED SANITARY SEWER

PROPOSED SANITARY SERVICE

SANITARY SEWER BASIN

5135

5134

NOTES:1. THE PROPERTY IS LOCATED WITHIN THE THORNTON CITY LIMITS.

2. PROPOSED SANITARY SEWER FLOW GENERATED FROM THEDEVELOPMENT WILL BE COLLECTED AND CONVEYED WITHIN ANINTERNAL SYSTEM TO A PROPOSED MANHOLE CONSTRUCTED ALONGTHE EXISTING SEWER MAIN LOCATED WITHIN WASHINGTON CENTERPARKWAY TO THE NORTH.

3. PROPOSED SANITARY SEWER AND SERVICE SIZES SHOWN AREPRELIMINARY AND MAY VARY WITH THE FINAL DEVELOPMENT DESIGN.

4. PROPOSED SANITARY SEWER DEMAND CALCULATIONS SHOWN AREPRELIMINARY AND MAY VARY WITH THE FINAL DEVELOPMENT DESIGN.

5. THE SENIOR LIVING DESIGN FLOW USED WAS 80 GPD/PERSON FORRESIDENTIAL.

6. THE MAXIMUM PEAKING FACTOR IS 3.5.

7. THE FUTURE DEVELOPMENT ON PROPOSED LOT 2 WILL REQUIRE ASEPARATE CSP SUBMITTAL TO THE CITY OF THORNTON. APRELIMINARY SANITARY SEWER PLAN WILL BE REQUIRED AT TIME OFCSP FOR THIS LOT AND IS NOT INCLUDED AS PART OF THIS PROJECT.

8. THE PROPOSED 8" SANITARY SEWER MAIN AND ASSOCIATEDMANHOLES ARE PUBLIC AND ARE TO BE OWNED/MAINTAINED BY THECITY OF THORNTON. THE PROPOSED SANITARY SEWER SERVICES AREPRIVATE AND ARE TO BE OWNED/MAINTAINED BY PROPERTY OWNEROF FUTURE ASSIGNS.

9. UTILITIES SHOWN ARE FOR INFORMATIONAL PURPOSES ONLY ANDMAY BE ADJUSTED DURING CONSTRUCTION DOCUMENTS REVIEW.

Preliminary Sanitary Sewer Demand Calculations

Land Use ResidentialUnits

EstimatedPopulation

ResidentialDemand at 80

gpd/personPeakingFactor Peak Demand

(gpd) (gpd)Senior Living 156 250 20,000 3.5 70,000