HomeMy WebLinkAboutPermit Correspondence 2007-8-29
COITIlminity Services Div, Building Safety
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M(;untaingate Subd. Lot # 59
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CITY OF SPRINGFIELD. OREGON
225 51h Streit. Springfield, OR 97477 Ph. 726-3759
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Mountaingate Subdivision
I Site Investigation Questionnaire for Consulting Design Professionals
SITE ADDRESS: 6021 FERN HILL Loop CITY JOB # COM2007-01196
Foundationreauirements - new structures on residential lots
This form may be used as a verification to allow construction' to continue on the job
site until the stamped' AFFIDA VIT For Site Investil.'ation Ouestionnaire' is
submitted to the City. This form must be completed by a lieensed design
professional (engineer or architect)' or his/her autho'rized representative, and
submitted to the building inspector prior to requesting City inspections or placing
foundatio'n concrete. It is important that all questions be answered completely for
the foundation site to be approved for construction.
Owner: River Vallev Builders. Inc.
Contractor: River Vallev Builders. Inc.
. A. Datc(s) ofthe design professional's site evaluation?
Auousl 2007
.,
B. Has the design professional revicwed a copy of the geotechnical information
that was prepared for the subdivision relating to this site? Yes ~ No
ljnot, please contact this office for a copy of the report. The design professional
must befamiliar with the geotechnical information before completing this form.
C. In which Geoiechnical Investigation category is this site located?'
. . Level I !
Level II
Note: Levell! reouires a site-soecific \!eotechnical investieation & renort
Were any site conditions identified that ,^,ould change the category? YES _
NO!
(For criteria detennining category, see the specific Geotechnical Report for the correct phase of the subdivision)
If"yes""explain (use the reverse side of this sheet or an added sheet if necessary)
Note that this lot was revised to a Level I status based on an area-wide geotechnical investigation
and report dated June 6, 2005
lof5
"
Community Services Div, Building Safety
CITY OF SPRINGFIELD, OREGON
225 5" Street. Springfield, OR 97477 Ph. 726-3759
Mountaingate Subd, Lot # 59
Was a geotechnical engineer involved at the site to verify that conditions are
suitable for construction of the proposed building(s)? Yes ~ No
Name of geotechnical engineer
D. What was the nature of the excavation and for fill?
Foundation oad construction included excavailon 01 a sinole bench into the hillside. Cut heioht~
ranoed lrom aooroximatelv1 ?-leet at the north side 10 12-leet alnno the south side. Soils exoosect.
in the cut consisted of aooroximatelv 1 t02.leet 01 dark brown sill over lan/brown/oranne
decomnosed sandstone with zones 01 "oillow" basalt. Groundwater or seeoaoe was not observed in
the excavation.
Was existing non-structural fill or expansive soil encountered on the lot?
. Yes_ No,.! If"yes", what types, depths and locations, and how does.it affect
the building foundation? None reouired. We noled thaI the east edoe of Ihe excavation was
alono a storm drain and the crushed aooreoate trench fill and oiDe was Dartiallv eXDosed in th!1
excavation. The oioe was not disturbed,
What measures were taken to remedy the soil condition (include type of
engineered fill used to stabilize. the soil)?
None reouired. ADoroximatelv 6to 12-inches ol'I.-inch minus dense-oraded crushed aoorenate.
was Dlaced nn the undisturbed sandstone suborade to raise the loundation Dad tD the desired
IDDtinD orade.
Is the site as prepared adequate ~ inadequate 0 to maintain constant
moisture content in the sub grade? Note: Verification of moisture stabilization in
the sub grade is a requirement for site preparation, and must be affirmed before
construction can continue.
If inadequate, what measures are to be taken to provide constant moisture content
in the sub grade?
,
Is the site, as prepared, adequate ~ inadequatlO to support the proposed
structure? An affirmative answer is requisite to proceeding with construction.
If inadequate; what additional work is needed to provide adequate
foundation support?
E. Did the design professional witness placement and compaction of the
engineered fill, or is there a special inspection report forthcoming from a
. qualified agcncy? I witnessed Placement ~ Special Jnsp/compaction report0
20f5
^
Commllnity Services Div, Building"Safery
CITY OF SPRINGFIELD, OREGON
225 Slh Street Sprillgtleld, OR 97477 Ph. 726-3759
Mountaingate Subd. Lot # 59
A coov 01 the field lesl results.!o. in-olace densilv and water content olthe crushed aooreoale fill is
attached to Ihis reoort.
F. The design professional intends to use the following method for installation
. of perforated perimeter footing drains: .
The design on the attached drawing provided by the design professional..... 0
The method shown on the original construction drawings................ 0-
The typical 'Foundation Drain' drawing attached to permit ....................!
Perforated perimeter drains are not required................ ................. 0
Comments: Addilional footino drainaoe is not reouired due to the drainaoe svslem constructed at
the toe of the cut slooe. The drain consisls of a 3-inch diameler oerforated PVG oioe surrounded bv
drain rock.
G. Low-point crawl space drains are required to prevent the buildcup of excess
moisture inside the foundations during (and after) construction. This drain
may be installed after foundation placement onlv with .the eXDress Dermission
of the desilm Drofessional.
a. The design professional has determined the following:
The crawl space drain is required when the foundation is installed..... 0
The low-point drain can be installed after foundation placenient without a
significant moisture build-up problem within the foundation... .......... 0
(The low-point drain may be installed at the stage
of construction)' . . post &: beam,jrammg, roofing, etc.
b. Has the design professional observed and approved the installation of the
. required low point drain?................................... Yes, _No_
if''yes'', where is the low point drain located under the building and
where does it terminate at this time? (Must be an approved iocation, i.e.
street gutter, storm sewer, sump pump and discharge line to the street,
etc.) A low-ooint crawlsoace drain is nol reouired lor this foundalion.
The design professional must determ'ine whether the approved permit drawings have
adequate foundation steel. Is any additional foundation steel required that is not
shown' on the foundation drawings fot the building?
Yes No ~. If "yes". describe additional steel required (or provide drawing).
. 30f5
Community Services Div, Building Safety
CITY OF SPRINGFIELD, OREGON
225 51h Street, Springfield, OR 97477 Ph. 726-3759
Mountaingate Subd. Lot # 59
The individual doing the obsel'vations and providing direction for the excavation and site
preparation work on the property must sign the following statement.
The ulldersiglled design professional (or authorized employee) attests that he/she
observed required moisture stability procedures on this site, alld that such procedures
were accomplished before allY changes occurred in the moisture cOlltellt of the sub-
grade under alld around the building (where expallsive soils were encountered). The
undersignedfurther al/ests that the sub-grade, as prepared, is adequate to support the
buildillg proposed for this site. .
Additional comments:
(Notc): A copy of this report shall be kept on site with the approved plans at all
. times.
This report shall be followed by an affidavit, signed and stamped by the design
professional under w!1ose auspices this report was completed, affirming the information
herein. The signed/stamped affidavit together with a copy of this report shall be
submitted to this office prior to requesting framing inspection for the building.'
. ~ ~
. .... - '-."
SIgnature <::::.... l -.....:".,
Name Michael Remboldt Title Princiole Geotechnical Enoineer
Companv K & A Enoineerino. Inc.
Phone 684-9399
Licensee Michael Remboldt
License # 19474 expires 12/30/2008
The geotechnical report for each phase of the Mountaingate Subdivision makes
recommendations for placement of building construction on each site. The report also
recommends that site preparation during wet weather conditions be avoided unless
special measures are taken to mitigate soft soil conditions and moisture collecting in or
around the foundation areas during and after the construction process. Positive site
drainage must be provided.
40f5
Community Services Div, Building Safety
CITY OF SPRINGFIELD, OREGON
2255(11 Street, Springfield, OR 97477 Ph. 726-3759
. Mountaingate Subd. Lot # 59
SPRINGFIELD '"
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SITE ADDRESS: 6021 FERNHILL Loop
AFFIDAVIT
For Site Investigation Questionnaire
Foundation Sub-Grade, Approval for
Residential Building Site in Mountaingate Subdivision
The undersigned hereby affirms that the excavation, structural fill and moisture
stabilization methods for the building site at the address shown above were observed by.
me or an authorized employee of my firm and th'at the following is true:
I. The geotechnical information for the subdivision, specific to this site, was utilized
as part of the determination for foundation preparation and drainage requirements.
2. The foundation sub-grade is capable of supporting a mini.mum of 1500 psf, and is .
adequate to support the building proposed for this site.
3. The moisture content of the excavation was adequately maintained during the site
preparation process and the site is adequately graded and drained for discharge to
an approved location in order to maintain stable moisture content throughout the
construction process and thereafter.
4. The accompanying report titled "Site Investigation OuestiOlmaire for ConsultinQ
Design Professionals" containing field observations and instructions made on
(dates)' Auoust 2007 for this building site was completed either by me or by an
authorized representative under my supervision. To the best of my lrnowledge,
the information contained in that report is complete and accurate.
Signature ~\ .
Date $'/v:j/u....n '-,
;' , ,
<
Name of Licensed Professional (print) Michael Rembold!. P.E.
EXPIRES
/--vl11 /.... c...
I I
1 Direct Transmission (DT) (specify depth, in.) or Air Gap Backscatter (AGB)'(specifiy(T)ouchable or (U)ntouchable
mode
Test pertormed using Seaman Nuclear Corp model C'300, SN 21113
Client: River Valley Builders, Inc.
Project: 169.07
K & A Engineering, Inc.
8/29/2007
!
,.
Community Services Div, Building Safety
CITY OF SPRINGFIELD, OREGON
. 225 51h Street, Springfield, OR 97477 Ph. 726-3759
Mountaingate Subd. Lot # 59
SPRINGFIELD .,
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Mountaingate Subdivision
I Site Investigation Questionnaire for Consulting Design Professionals
SITE ADDRESS: 6021 FERNHILL Loop CITY JOB #. COM2007-01196
Foundation reouirements - new structures on residential lots
This form may be used as a verification to allow construction to continue on the job
site until the stamped' AFFIDAVIT For Site Investi!!ation Ouestionnaire' is
submitted to the City. This form must be completed by a licensed design
professional (engineer or architect) or his/her autho'rized representative, and
submitted to the building inspector prior to requesting City inspections or placing
foundation concrete. It is important that all questions be answered completely for
the foundation site to be approved for construction. . ,
Owner: River Vallev Builders. Inc.
Contractor: River Vallev Builders. Inc.
. A. Date(s) of the design professional's site evaluation?
Auoust 2007
B. Has the design professional reviewed a copy of the geotechnical information
that was prepared for the subdivision relating to this site? Yes,L No_
If not, please contact this office for a copy ofihe report. The design professional
must be familiar with the geotechnical inform~tion before completing this form.
c. . In which Geotechnical Investigation category is this site located?
Level I !
Level II
Note: Level II reauires a site-soecific !!eotechnical investi!!ation' & renort
Were any site conditions identified that would change the category? YES_
NOx
(For criteria detennining category, see the specific Geotechnical Report for the correct phase of the subdivision)
If "yes", explain (use the reverse side of this sheet or an added sheet if necessary)
Note thai this lot was revised 10 a Levell stalus based on an area-wide geotechnical investigation
and report dated June 6, 2005
lof5
Community Services Oiv, Building Safety
CITY OF SPRINGFIELD, OREGON
2255'" Street. Springtield, OR 97477 Ph..726-3759
Mountaingate Subd. Lot # 59
Was a geotechnical engineer involved at the site to verify that conditions are
suitable for construction of the proposed building(s)? Yes JC: No
'Name of geotechnical engineer
D. What was the nature of the excavation and lor fill?
Foundation oad construction included excavation 01 a sinole bench into the hillside. Cut heiohts
ranoed trom aooroximalelv12-feet atlhe north side to 12-leet alono the south side. Soils exoosed
in the cut consisted of aooroximatelv 1 t02-leet of dark brown sill over tan/brown/oranqe
decomoosed sandstone with zones 01 "oillow" basalt. Groundwater or seeoaae was nal observed in
Ihe excavation.
Was existing non-structural fill or expansive soil encountered on the lot?
. Yes_ No.! If "yes", what types, depths and locations, and how does. it affect
the building foUndation? None reauired. We noted that the east edae 01 the excavation was
alono a storm drain and the crushed aooreoate trench fill and oioe was oartiallv Hoosed in the
excavation. The Dine was not dislurbed.
What measures were taken to remedy the soil condition (include type of
engineered fill used to stabilize, the soil)?
None reouired. Aooroximatelv 6 10 12-inches of o/<-inch minus dense-oraded crushed aooreoate
was olaced on the undisturbed sandstone suborade to raise the loundalion Dad to the desired
tootino orade.
Is the site as prepared adequate JC: inadequate 0 to maintain constant
moisture contentin the sub grade? Note: Verification of moisture stabilization in
the sub grade is a requirement for site preparation, and must be affirmed before
construction can continue. .
]f inadequate, what measures are to be taken to provide constant moisture content
in the sub grade?
]s the site, as prepared, adequate l! inadequateO to support the proposed
structure? An affirmative answer is requisite to proceeding with construction.
If inadequate, what additional work is needed to provide adequate
foundation support?
,
E. Did the design professional witness placement and compaction of the
engineered fill, or is there a special inspection report forthcoming from a
qualified agency? I witnessed Placement l! Special Jnsp/compaction report0
. . 't ~}l0<//'/fz:;C,
20f5
"
Communily Services Div, Building Safety
CITY OF SPRINGFIELD, OREGON
225 51h Street. Springfield, OR 97477 Ph. 726-3759
Mountaingate Subd. Lot # 59
A coov of the field test results for in-olace densltv and water content of the crushed aaareaate fill is
attached to this reDar!.
F. The design professional intends to use the following method for installation
of perforated perimeter footing drains:
The design on the attached drawing provided by the design professionaL... 0
The method shown on the original construction drawings................ 0
The typical 'Foundation Drain' drawing attached to permit ...................1\
Perforated perimeter drains are not required.... ............................. 0
Comments: Additional faatina drainaae is not reauired due to the drainaae svstem constructed at
the lae of the cui slooe. The drain consists of a 3-inch diameter oerforated PVC oioe surrounded bv
drain rock.
G. Low-point crawl space drains are required to prevent the build~up of excess
moisture inside the foundations during (and after) construction. This drain
may be installed aftcr foundation placement onlv with the exnress nermission
of the desi"n nrofessional.
a. The design professkmal has detetrnined the following:
The crawl space drain is required when the foundation is installed..... 0
The low-point drain can be installed after foundation placement without a
significant moisture build-up problem within the foundation............. 0
(Fhe low-point drain may be installed at the stage
of construetio'n) post 0: lJeam,jrammg, roofmg, etc.
. b. Has the design professional observed and approved the installation of the
required low point drain?............... ............ ... ..... Yes. _ No _
if ''yes'', where is the low point drain located under the building and
where does it terminate at this time? (Must be an approved location, i. e.
street gutter, storm sewer, sump pump and discharge line to the street,
e/c.) A law-ooint crawlsoace drain is not reouired lor this foundation.
The design professional must determine whether the approved permit drawings have
adequate foundation steel. Is any additional foundation steel required that is not
shown on the foundation drawings for the building?
Yes No l!. If "yes ". describe additional steel required (or provide drawing).
30f5
Community Services Div, Building Safety
ClTY OF SPRINGFIELD, OREGON
215 51h Street, Springfield, OR 97477 Ph. 726-3759
Mountaingate Subd. Lot # 59
The individual doing the observations and providing direction for the excavation and site
preparation work on the property must sign 'the following statement.
The undersigned design professional (or authorized employee) attests that he/she
observed required moisture stability procedures on this site, and that such procedures
were accomplished before any changes occurred in the moisture content of the sub-
grade under and around the building (where expansive soils were encountered). The
undersigned further attests that the sub-grade, as prepared, is adequate to support the
building proposedfor this site.
Additional comments:
(Note): A copy of this report shall be kept on site with the approved plans at all
times.
This report shall be followed by an affidavit, signed and stamped by the design
professional under whose auspices this report was completed, affirming the information
herein. The signed/stamped affidavit together with a copy of this report shall be
submitted to this office prior to requesting framing inspection for the building.
Signature ,-~-..d-
Name Michael Remboldt Title PrinciDle Geotechnical Enaineer
Company K & A Enoineerina. Inc.
Phone 684-9399
Licensee Michael Remboldt
License # 19474 expires 12/3012008
The geotechnical report for each phase of the Mountaingate Subdivision makes
recommendations for placement of building construction on each site. The report also
recommends that site preparation during wet weather conditions be avoided unless
special measures are taken to mitigate soft soil conditions and moisture collecting in or
around the foundation areas during and after the construction process. Positive site
drainage must be provided.
40f5
'\
Community Services Div. Building Safety
ClTY OF SPRINGFIELD, OREGON
2255'" Street, Springfield. OR 97477 Ph. 726-3759
Mountaingate Subd. Lot # 59
AFFIDAVIT
For Site Investigation Questionnaire
Foundation Sub-Grade Approval for
Residential Building Site in Mountaingate Subdivision
The undersigned hereby affinns that the excavation, structural fill and moisture
stabilization methods for the building site at the address shown above were observed by
me or an authorized employee of my firm and that the following is true:
I. The geotechnical information for the subdivision, specific to this site, was utilized
as part of the determination for foundation preparation and drainage requirements.
2. The foundation sub-grade is capable of supporting a minimum of 1500 psf, and is .
adequate to support the building proposed for this site.
3. The moisture content of the excavation was adequately maintained during the site.
preparation process and the site is adequately graded and drained for discharge to
an approved location in order to maintain stablc moisture contcnt throughout the
construction process and thereafter.
4. The accompanying report titled "Site InvestiQation OuestioIll1aire for ConsultinQ
DcsiQn Professionals" containing field observations and instructions made on
(dates)' Auoust 2007 for this building site was completed either by me or by an
authorized representative under my supervision. To the best of my Irnowledge,
the information contained in that report is complete and accurate.
Date
S}V; l2.t:tzn-.
I' ,
Name of Licensed Professional (print) Michael Rembold!. P.E.
. ,~~-:--\
Signature "-.) ~
EXPIRES
/'1./"$ II- 'C--
I I
Proiect: 169.07
Site Address: 6021 Graystone Loop
Permit No: LDAP2007-00152 .
Date: 8/28//07
Density Test Type': DT-6
Operator: SS
Material Type: 3/4-inch minus dense graded crushed aggregate - Springijled Quarry
I Maximum Dry Denstiy, pcf 128.0
I Standardization and Reference Chec~ t>. Density I
(Standard Deviations) (S.D.)
Density of Soil and Soil-Aggregates In-Place
ASTM 02922 and 03017
0.94
It>. Moisture, I
(S.D.)
Moist Dry
Density, Density, Water Compaction,
Test No: pcl pct Content, % % Remar~s
1 1 135.8 131.5 3.3 102.7%
1 2 129.2 125.3 3.1 97.9%
I 3 130.6 123:0 6.2 96.1%
1 4 134.2 125.9 6.6 98.4%
1
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I
I
I
I
1
I
I
1
I
I
.1
Average: 98.8%
Std. Dev.: 2.81%
0.53
1 Direct Transmission (DT) (specify depth, in.) or Air Gap Backscatter (AGB) (specifiy(T)ouchable or (U)ntouchable
mode
Test pertormed using Seaman Nuclear Corp model C-300, SN 21113
Client: River Valley Builders, Inc,
Project: 169.07
K & A Engineering, Inc.
8/29/2007