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<br /> 'JohriLLink. • ..- • . -
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<br /> -Mar44,0 Collins: , . : . , •.
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<br /> 'HO 22, 089 — - • . - • " ',. .
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<br /> Slistem..juid 4A it fully charged with Liquld. .4k...bet:E'er, .Mihimum :
<br /> .4t:imel.or, pump. operation would be approXimateli 7 minutes, though.
<br /> • ... •the ulti'dite run time should be set after field observation of the
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<br /> system operation. . % _ , , • , .. ...: . • _ . .
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<br /> retiOrt proposes 4 central pimping tiink6ii)hstructed
<br /> tanks ari&IpumpA:iinks;* even those
<br /> -,. .con'Stucte-dOf pre-,cast concrete, are often very difficult to •
<br /> :waterprOof,:::-ThA,siiroblem,woUld•be 'caipounded by's:the use of
<br /> : . :. :1, .,conaretebfock: In the event that the 'p*mp .station can be .
<br /> .:. ,...1 ,, WatetproOled; -i-t: is likely that settlement of the tank will cause
<br /> structural cracking in the block walls which will allow
<br /> infiltfation Of ,groundwater and 'exfiltration of septic tank
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<br /> • efflue. _ i
<br /> ni. The nfiltration of grouhdwater into the central pump .
<br /> tank or :Into the.indxvIdual septic and pump tanks can cause a
<br /> • hydraulic dvirloading. of the lOw'preSsure field. . • •
<br /> ' - The, Morgan report proposes that the individual lot pumps,
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<br /> pump tanks and septic tanks be installed. and, maintained by
<br /> individual homeowners. In my opinion, the entire treatment system
<br /> should be installed by one contractor using the same materials and
<br /> construction techniques for the entire subdivision. Maintenance
<br /> „.:e.. ,of t2he,eR4r@,sy,sem_should,.also. he .the responsibility of one •
<br /> 1 . . : . ,,,t4•APS0.164):_ct-PrOfepn'alsOrganizatibh: whIch haS- deMohstrailithle
<br /> satis4ctofy experience With Collection, mechanical and soil •
<br /> 46Tpi3n 41466Afi 'of-Systems similar to those proposed for
<br /> McLennan's Farm.
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<br /> . . „ • - The oblems-cited, ahove;7:if not addressed, may fatally flaw
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<br /> . the prOtiosed sewage, siirit. for Motennan's.:Farm., $ubdivisiOh- These _ .
<br /> - , prO1eirts; 4i1‘.bsp.Of,ipti, however.,Thby pOsiibly' haVing_a-.1arger
<br /> - . - AraiTeld, ilifferent 'puMt,ing'Cohfigurations,.. fewer' houses, houses
<br /> -," - . ,, e'ii bedrooms, differeht operAionLand maintehait'Ce ,
<br /> ---i -"--,iiraigeMehts, etc. • • -
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<br /> Enclosures
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<br /> MEOCS-22 .
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