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HENNEPIN COUNTY PARK RESERVE DISTRICT ROUTE 1, BOX 32 MAPLE PLAIN, MINNESOTA 55359 MEMORANDUM PLANNING 6 ENGINEERING DEPARTMENT - 473-4693 DATE: MARCH, 1977 SUBJ: RECREATION FACILITY DESIGN CRITERIA 1. SWIMMING: IMPORTANT FACTORS ARE SUITABILITY OF SHORELINE, WATER QUALITY AND WATER LEVEL FLUCTUATION. STANDARDS FOR MEASUREMENT ARE 1 FOOT OF SHORELINE, 50 SQUARE FEET OF WATER AND 100 SQUARE FEET OF LAND PER SWIMMER. 2. PICNICKING: FAMI-IES AND GROUPS, ROADSIDE PULL -OFFS, PICNIC GROVES FOR LARGE AND SMALL GROUPS, TRAILSIDE PICNIC SPOTS. STANDARD USED IS A PICNIC GROUP (UNIT) OF 1; OCCUPYIW, 1/10 ACRE, OR 40 PEOPLE PER ACRE. 3. BICYCLING: STANDARD IS A GROUP OF 4 BIKERS ASSIGN`..) TO 0.2 MILE OF TRAIL, OR 20 BIKERS PER MILE. TOTAL MILES REQUIRED INDICATES THE NEED FOR COUNTY -WIDE SYSTEM OF TRAILS. 4. NATURE INTERPRETATION: THE OUTDOOR CONSERVATION -EDUCATION PRO- GRAM TO BE PRIMARILY VIS-A-VIS NATURE CENTERS AND INTERPRETIVE PROGRAMS. BUILDING SITE, PARKING, PROGRAM AREA CTPAILS) ETC. DAILY USE AT NATURE CENTERS EXPECTED TO RANGE FROM 300-500 USERS. 5. HORSEBACK RIDING: AGAIN, AS WITH BIKES, THE TOTAL MILES REQUIRED ARE BLYa!D WHAT CAN BE NET BY PRD. STANDARD IS A GROUP OF 11 RIDERS ASSIGNED TO 0.2 TRAIL MILES, OR 20 RIDERS PER MILE. 6. FISHING: FROM BOATS, DOCKS, SHORELINE AND WINTER ICE FISHING. MANY HABITAT IVPROVEMENTS NEEDED TO ASSURE WATER QUALITY, DEPTHS, ETC. STANDARDS ARE 1/6 SURFACE ACRE OF WATER, OR 200 LINEAL FEET OF SHORELINE PER USER. 7. OTHER BOATING: THIS INCLUC`ES ALL FOR1-15 OF POWER BOATING EXCEPT WATER SKIING. HIGH SPEED AND LOW SPEED MOTORBOATING. DEPENDANT ON WATER SIZE, QUALITY, DEPTH AND CONFIGURATION, STANDARD IS 3 PERSONS PER BOAT ASSIGNED TO 3 TO 6 SURFACE ACRES OF WATF.P. 8. CAMPING: TENT CAMPING, TRAILER CAMPING AND CAt"_ CAMPING. FAMILIES AND GROUPS. DENSITY STANDARD IS 4 CAMPERS PER CAMPING UNIT ASSIGNED TO 1/6 ACRE OF LAND AS A MAXIMUM DENSITY. A MORE DESIRABLE DENSITY WO11LD BE 14 CAMPERS PER 1/4 ACRE. SOILS Akr A MAJOR FACTOR.