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REV07282
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Entry Properties
Last modified
8/25/2016 1:08:10 AM
Creation date
11/21/2007 9:41:29 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980143
IBM Index Class Name
Revision
Doc Date
1/12/1981
Doc Name
PRELIMINARY REPORT ON SADLER HOUSE 7998 CR 501 BAYFIELD COLO
From
RODNEY EMS STRUCTURAL ENGINEER
To
TERRY SADLER
Type & Sequence
SO1
Media Type
D
Archive
No
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<br />~' RODNEY :EiMS ~ - Structural Engineer <br />145 Eost bth Street Suite 1, Durango <br />Colorado 81301 303-247-3005 <br />January 12, 1981 <br />S <br />Terry Sadler <br />7998 C,R. 501 <br />Bayfield, CO <br />Rey Preliminary report on the Sadler House, <br />:7998 C,R. 501, Bayfield, Colorado <br />Dear.Terry~ <br />I have investigated your house for cracks in the gypboard <br />walla and ceiling. The cracks occur in each room on the walls <br />and there is a crack in the ceiling of .the living and dining <br />rooms which extends continuously through each room, By your <br />account; these cracks did not appear until Spring of 1979, <br />approximately 2~ years after you had been living in the house. <br />The house is a one story wood framed house which was built <br />approximately 32 years ago and remodeled within the past 10 <br />years. It is founded upon an alluvium of cobbles, gravel and <br />silts. The floor area is approximately 1300 S.F. The floor is <br />a wood framed floor with a crawl apace. <br />There is a gravel quarry approximately 120 .feet to the west <br />of the house. By your account, .there waa a conveyor belt <br />located~~+proximately 126 feet from the house and numerous trucks <br />'and heavy earth moving equipment which were operated within the <br />proximity of the conveyor, The equipment operated at various <br />times during the past two years, principally in the spring, <br />summer and fall. During the operation of the equipment, numerous <br />loose objects such ga a_hanging stained glass ornament in the <br />window and glasea in a cabinet were disturbed;': Some windows <br />rattled aad the vibrations were felt by.those in the house, <br />There Was not any equipment at the site of .the gravel quarry <br />during my visit although .there was evidence manifested by excavated <br />hillsides and tracks of tracked equipment,,. <br />DISCUSSION <br />. <br />. .;j~,The.obaervationa of•.the previously noted disturbances <br />correspond to an ~arthq~ake:intenaity of.~.IV:ea described by <br />the Modofied Merca;li Sc~a1e.' ,The Modified.Mercali Scale is one <br />of the 'most common intensity:acales and is used to supplement <br />;; .. <br />.,.. , <br />
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