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HomeMy WebLinkAbout2018 Oct 25 - Email to Engineer vonHone, Amy From: vonHone,Amy Sent: Thursday, October 25, 2018 4:37 PM To: 'tsantos@holmesandmcgrath.com' Cc: Murphy, Bruce Subject: 300 Buck Island Road, Halcyon Condos Hi Tim- I apologize for the delay in our review of the septic plans for Unit 9, Halcyon Condos. Please find below a list of items for you to review and address,as needed. 1. Based on the soil logs,a removal of unsuitable soils appears needed on the lower elevation of the trenches. tShow the vent lines that will be required along the laterals in the trench since the pressure dosed laterals will not be vented. p4Show an inspection port on each trench and a spec detail. . Yarmouth local regs require a PLS stamp or a copy of a certified plot plan with a stamp. ) z `5. On page 2,the system profile lists the manifold as a 4" line and it is specified as 3" everywhere else on the plan. ---/6. In the pump calculation chart: a. number of perforations per lateral lists 6 instead of 10 b. pump chamber bottom elevation lists 17.33 instead of 17.91. /. Could you please confirm the size of the pumps to insure the correct spec. I will be out of the office October 26—November 12, however, Bruce Murphy who has been cc'd on this email, is available for any questions or comments on the above. Thank you for your attention, Amy Amy L.von Hone,R.S.,C.H.O. Assistant Health Director Yarmouth Health Department 1146 Route 28 South Yarmouth, MA 02664 .- (W)508.398.2231 X1240 (F) 508.760.3472 avonhone@yarmouth.ma.us 1