HomeMy WebLinkAboutPermit Correspondence 1996-9-9
(
Branch Engineering
September 9, 1996
310 North 5th Street
Springfield. Oregon 97477
(541) 746-0637
FAX (541) 746-0389
'\
Dave Puente, Building Official
City of Springfield
Planning and Development
225 North Fifth Street
Springfield, Oregon 97477
Re: John Anderson residential accessory structure, 1427-1/2 Anderson Lane, Springfield
Dear Dave:
This letter confirms our previous conversations regarding the above building and explains our
fin<;iings in regard to it. We have understood that, in lieu of destructive inspections, the City
will accept an engineer's report which finds the structure meets the structural provisions of the
Oregon Dwelling Specialty Code.
Attached is a letter dated April 3, 1996, which outlines the deficiencies we found. It includes
several details which show how these may be addressed. A statement we made concerning
the issue of a certificate of occupancy may not be correct.
Branch Engineering performed inspections at each stage, to enable us to prepare a letter
verifying the work. While in this process an alteration was made to the RV shelter to provide
more head space. Calculations and details of this are attached as well.
On August 30, our letter of verification was prepared and sent to the City. A copy of this is
also attached for your reference.
If you have any questions, please feel free to cal! our office.
J
.
: inCereIY~1L_ 1,
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:Ste e, Keatin ' ~
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TRANSPORTATION
CIVIL
SURVEYING
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,Branch Engineering
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310 North 5th Street
Springfield, Oregon 87477
(503) 746.0637
FAX (503) 746.0388
'\
April 3, 1996
John Anderson
13356 East 45th Lane
Yuma, AZ 85367
Re: Modifications required to existing house to meet current Building Code standards
Dear Mr. Anderson:
As you know, we have visited your RV shelter and house addition on Anderson Lane, for the
purpose of determining Items which will require alteration to meet current Building Code
standards. We have noted the following Items:
1. The ceiling insulation over the bedroom-bathroom-kltchen portion will need to meet R-
38 standards on the flat portions and R-30 on the sloped portions. The flat ceilings
may be inspected for Insulation depth and additional Insulation blown In. The sloped
ceilings should have some rigid foam Insulation attached to the ceiling and a new
ceiling installed to cover It back up.
2. The roof over the area discussed above needs to have 100 sq. In (min) soffit venting
and 100 sq. In. of ridge venting Installed.
3. The carport will require bracing, using doubled 2x8 at each post to the trusses and to
the perimeter beam.
4. The Interior water piping needs to be of a code-approved schedule 40 type. All PVC
piping will have to be replaced.
5. The foundation perimeter Is not deep enough to meet Code, and will have to be
undermined and deepened to 12" (min.) below finished grade.
We have pointed this out to Ed Collingwood (contractor), who Is to be getting a price together
for you. When the above work Is completed, we can re-Inspect the building and prepare a
report for the City, who will then process the building permit and Issue a certificate of
occupancy.
Details to illustrate Items 1, 3, and 5 are Included. If you have any questions, please feel free
to call our office.
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TRANSPORTATION
CIVIL
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PROJECT: JOHN ANDERSON HOUSE
NUMBER: DATE: Aug 8, 1996
CALCULATIONS FOR WOOD COLUMN WITH COMBINED LOADS
COLUMN DESCRIPTION / LOCATION: COMPRESSION STRUT AT END OF RV PORT
COLUMN DATA:
unbraced height:
unbraced dimension:
E: 1600 KSI
K factor: 1
Fc: 600 PSI
Fb: 875 PSI
Kce: .30
c' : .80
calculated Fce: 242 PSI
Fce/Fc: .40
Flc: 217 PSI
LATERAL LOADING DATA:
Cd: 1.33
distrubuted load:
concentrated load:
moment from UDL:
moment from CL:
required S:
SHEET NO: lOa
156
3.50
in.
in
KL/d: 45
must not exceed 50
(.3 for visually graded, .418 for MSR)
(.8 for sawn lumber, .9 for glue-laminated)
(Kce(E)/(I/d)-2)
(USING OSSC 2307.3)
.80
Cf: (varies)
Cm:
o PLF
o # applied
o #' (wl-2/8)
o # I ( P ab / I )
o in-3 (not including
3 ft. above base
Cf)
TABULAR RESULTS:
COLUMN DIMENSIONS AREA MAX. LOAD Cf ALLOWABLE LOAD
depth width w/o lat ld with lat. ld.
3.50 X 3.50 12.25 SQ. IN. 2659 # 1.5 2659 #
3.50 X 5.50 19.25 SQ. IN. 4178 # 1.3 4178 #
3.50 X 7.25 25.38 SQ. IN. 5507 # 1.3 5507 #
3.50 X 9.25 32.38 SQ. IN. 7026 # 1.2 7026 #
3.50 X 11.25 39.38 SQ. IN. 8545 # 1.1 8545 #
LATERAL REACTION AT BASE: N/A #
LATERAL REACTION AT TOP: N/A #
.~
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Branch Engineering
August 30, 1996
310 North 5th Street
Springfield, Oregon 97477
(541) 746-0637
FAX (541 ) 746-0389
'\
City of Springfield
Planning and Development
225 North Fifth Street
Springfield, Oregon 97477
Re: John Anderson house - 1427 Anderson Lane. Sorinafield
The owner of a structure at the above address installed a carport and living area addition to a
previously permitted residential accessory structure. In order to partition the property upon
which it was placed, separate the accessory structure from the house to which it was related,
and establish it as a dwelling unit, a building permit is necessary. Since the structure had
been previously completed, the City of Springfield Building Official has required that an
, architect or engineer inspect the structure and certify it as meeting the State of Oregon One
and Two Family Dwelling Specialty Code (ODS C)
The primary building and its subsequent additions were reportedly constructed by licensed
contractors. The quality of workmanship and finishes is consistent with this report. Exterior
walls in the new section were 2x6 at 24" O.c., with roof trusses bearing on foundations walls.
The electrical service and water services were installed and inspected when the original
structure was built. Except for foundation perimeter insulation, the structure was constructed
in accordance with prescriptive path 1 (with reference to footnote 9). The perimeter slab
insulation is traded against the maximum allowable window area and increased roof insulation
(per table 53-0).
Branch Engineering performed an initial inspection, and the following corrections were
required:
1 ~ The perimeter foundation for the floor slab needed to be excavated for proper depth
and width for the floor slab-on-grade. Clearance of earth to siding of 6" was required.
2. Carport bracing was required, to be installed in accordance with a design supplied by
Branch Engineering.
3. Rigid insulation and venting was required over the vaulted areas of the kitchen, and
inspection openings under electrical outlet covers made to confirm the depth of wall
insulation (the latter done by Branch Engineering).
4. PVC DWV and domestic water service lines would have to be replaced by a licensed
plumber.
"
TRANSPORTATION
CIVIL
SURVEYING
/
.
The above work was performed and re-inspected by Branch Engineering in progress. Based
on this, we find the structure complies with the DOSe.
If you have any questions, please feel free to call our office.
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