HomeMy WebLinkAboutMiscellaneous - 1423 SALEM STREET 4/30/2018 (80) Buoyancy Calculation HANCOCK
Project: 1423 Salem Street, Project No. 9302
North Andover
Owner: Michael&Elaine Morgillo
Date; 10-Jan-01
Structure: 1500(H-10/Mon.) Gallon Dosing Chamber
Parameter Unit Value Comment
finishgrade EL 92.7 ® �
$ ` Z e�Z7-
EL 89.8
Inlet invert
outside top of structure EL 90.9 "
outside bottom of structure EL 85.2 411
717
Estimated Seasonal High Groundwater EL 90.2 C9�i;) f
1
structure outside diameter
FT 0.0 (/
structure outside length FT 10.8
structure outside width FT 5.7 -
structure footprint 4
SF 61.4
weight,ofstructure LB 11,035
#of manholes # ,
manhole diameter FT 2 / Z 7 4-
top of manhole EL 92.2 tt 2
weight of ballastLB 0 0.0' of concrete in bottom of tank
unit weight of soil cover"'' PCF 115 „7
weight of soil cover LB 11,899 s
weight of water displaced(structure) LB 19,120
weight of water displaced(ballast) LB 0
NET FORCE LB 3,8 44
(negative number indicates floatation possible)
Factor of safety 120'— (Does not include weight of extention collars
or frame and cover
Station assumed totally dry inside.Neglect weight of equipment inside and outside soil friction force.
"Neglect weight of soil over ballast.
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