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Transportation•Energy•Land Development
MAK I i 1022 349 Main Street
HEALTH DEPT (Route 28), Unit D
E P T. West Yarmouth
March 9, 2022 MA o2fi73
RE: Cape Cod Inflatable Park, 512 Main Street,W. Yarmouth
Tel: 508-778-8919
Mr. Bruce Murphy 800-288-8123
Yarmouth Health Director
Yarmouth Town Hall www.bscgroup.com
1146 Route 28
South Yarmouth,MA 02664
Dear Bruce:
At the current time the septic systems for the existing motel(69 Units and one managers
Unit)will remain unchanged.
The leaching field for both the westerly system#1 and the northeasterly system#2 will also
remain unchanged while adding some tanks and pumps to the existing septic layout.
The current motel with its 69 units has an approximate daily occupancy of 276(4)per unit
and as the motel guests are park patrons it is expected that 50% will use the motel room
facilities as opposed to the interior park facilities. (138 Park patrons.)
On the two existing systems#1  the total flow is 8,930 GPD. Based on 5 gpd per park
patron that would allow 1,786 occupants.
Having 138 park patrons from the motel units and
1,786 park patrons as guests then the total occupancy would be
1,924 maximum park occupancy per day.
Furthermore,the septic flow associated with the former Fred's Turkey House,Donut shop
and Movie theatre have all been removed from use.
Very trul yours,
•eran H ly,
Engineers
Environmental
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Murphy, Bruce
From: Yergatian, Brian <byergatian@bscgroup.com>
Sent: Wednesday, March 23, 2022 11:08 AM
To: Murphy, Bruce
Cc: Renaud, Philip; Healy, Kieran J.
Subject: Cape Cod Inflatable Park
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Hi Bruce, Phil,
I have listed the backwash filter volumes for each pool below. In summary, here is what I did. The wavepool
backwashes 615 gallons. So we are proposing a 600 gallon drywell for this. The Kid's Pool, FlowRider& Bar Pool
combined backwash 521 gallons at varying frequencies (see below). Therefore,we conservatively designed a 600 gallon
drywell for these 3 filters combined. This information is not shown on the BSC plans because the filters and piping are
located inside the building. Let me know ASAP if you have any further concerns. Please let us know as soon as Aquatic
Design Group can come in for their permit(s).
Wavepool
Tank volume=615gallons
Frequency to recharge= lx every 3 weeks
Kids Pool
Tank volume= 181gallons
Frequency to recharge = lx every 2 weeks
FlowRider
Tank volume= 181gallons
Frequency to recharge = lx every month
Bar Pool
Tank volume= 159 gallons
Frequency to recharge = lx every week
Thank you
Brian G. Yergatian, P.E., LEED AP
Senior Project Manager/Senior Associate
349 Main Street, Route 28, Unit D/West Yarmouth, MA 02673
0: 508-778-8919/D: 617-896-4590/C: 508-404-4059
byergatian(a�bscgroup.com
www.bscqrouo.com
BSC GROUP
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