HomeMy WebLinkAbout2021/08/09 - Response to 1st Stormwater Peer Review - 325 Johnson Street 8/10/2021 Town of North A,ndo r Mail r 325,Johmon St,NA-Updated plea per PB consultant review
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e 325, Johnson St, NA, ,,� Updated per PB consultant review
Jack Sullivan jacksull53@comc t.net> Mon, Aug " 2 21 at 8:29 PM
To: Jean Enright<jenriglit�@northando,verma.gov>
: Amy Maxner r .xner n rtl are rma.g " "tan re s n rthan rr . "" <t n r ws n rth,and rm . "
Alison Sparks k s ar s2 rizon.n t
III Jean
Attached is the updated Site plea and HydroCAD analysis for the above site. 'The fo�llowi'ng highlight the changes t
address the Horsley Witten Co�mp�any review letter dated'6 2 1
.. The erosion control was increased al ng the length f the proposed utility services and the,utility concrete pads. The
erosion control extends to the rear of the house.
An erosion control detail has been added showing a 12 inch diameter mulch s xx backed by staked silt fencing
Limit of work line includes utility services installation
A note has been added to the plan that all trees to be removed have colored ribbon wrapped around the tree prior to an
site work and prior to,Town staff performing as ons,ite preconstr ctioln meeting tio avoid any potential issue with the wrong
tree/ad'ditlonal tree 'being removed
® The proposed drywell for the garage new has 30 inches,of crushed stare surrounding (previously sly 2 "). This increased
the storage volume and now in the 100 year storm evert the water elevation in the drywell is elevation 256.52 which Is
BELOWthe interior drywell elevation of 256.
- A rote has been added to the Plan for a rni i'-excavator and skid steer to be used for the utility services
exc vatl n . l fill
hank you. l can drop fell size plans,to your officie.-how many odes of the materials would you lily Jean? Amy haw
about,ya
Sullivan Engineering Group, LL
lack Sup ivan
. . Box 2004
Woburn.,., 0188,8
781-854-8644
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2 attachments,
in
Site lan 3,25 Johnsion�0809,2021.pdf
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