HomeMy WebLinkAbout05100019-CorrespondenceFROM ' KEN GREGORY
887-6125
Jan. 03 _2~06 ~2:$5PM Fl/2
KEELER-~N'EBB ASSOCIATES
810 ~w~s Boul~va,A ¢ - /J]~
~:.: KWA Pmjez~ No,', O~ ~ 2-Oz ~
Keese Residence
985 A~owhe~ Drive
Card ~di~a
Per your request, we have reviewed the atraetural in~grity of the 2 x 10 wood floor joists
with regard to the l" circular holes that have been drilled through file .joists for wiring
i81~ewaya.
From a structural staadpoint, the integrity of thc joists remains altaCt. Thc jola~ arc
designed for the maximum flexural stresses which ia located at the center of the 15 foot
span. The holes, have been drilled near the quarter point of the span and sufficient section
.modulus is present resulting in flexural stresses leas than the designed mid-span of [he
joist
From an electrical standpoint, wae~e bored holes are located wtthm t-l/4 from the edge
of the joist, the raceway shall be protected from penetration of screws or nails by 1/16'
ste~l plates as prescribed by Section 300-4 of the NEC (copy attached). The ceiling
drywall contractor should provide these protective plates and should be aware of thc
raceway locations to further prevent accidental penetrations.
Respectfully,
latrauoa Number 860332 '; ~,},
IN' Chicago. H. St. ~,ou*,s. ~ ' (J£ncga'~mt~: (~tt Hemier~,v KY. ,ta~ksc~ville. FL
systems unless ~hc conducro~f arc s~parat~d by ~ parn~on n~&cd hot~ in ~ds, ~d ~l ~O0~(a)(2} indi~a~
or a~e connoted ~ogether. c ~ns derafion shotdd ~ given ~ the ~ of ot~ in
{~P~: 8~ ~on ~(a)f~ ~ C~ 2 ~ CI~ ~ ~ ~ as not to aff~ t~ stren~h o~ the structure. Sec
Section 725-$4(~)(1) p~ohibks Class 2 and (:lass 3
~u t conducxors. ~rom ~ c~pyi~ ~he ~c ~closur~ cable
or r~way ~ CI~S 1, el~c light~ aha power mndu~ors,
~h ~mc exception.
~no ~,~,~r~ ~~
of weakening the bullfltng ~m, ~ ~ expo~ecl a~O c~
II/din ~ in ~
~ illstmlJed belore tho i~k:ting fln~ ts appall,
s~e oi b~cd or
NAT ONAL ELECTR CAL CODE HANDBOOK 19~
,\
LICENSED" BONDED. INSURED
KenIlHeth JL Gregory COO? IniGo
GENERAL CONTRACTORS
REMODELING & REPAIRS.
SPECIALISTS
810 Loews Blvd., Suite A . Greenwood, IN 46142
December 30, 20'05
Phone (317) 784-4404. Fax (317) 887-6125
I
Attn: Adam Shriner
City Of Carmel
Department Of Community Services
One Civic Square
Carme~ IN 46032'
Re: Keese Residence
985 Arrowwood Drive
Carmel, IN 46033
. Bldg. Permit #05100019
Dear Sir,
Enclosed please find engineer's report concerning the structural issue (floor
joists) you raised during your inspection December 27, 2005. Should you have
further questions please contact my office.
Sincerely yours,
KJG/jlh
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December 27,2005
Mr. Ken Gregory
KENNETH 1. GREGORY COMPANY
810 Lowes Boulevard
Greenwood, Indiana 46142
Rc.: KWA Project No.: 0512-031
Single Family Dwelling
Keese Rcsidence
985 Arrowhead Drive
Carmel, Indiana
Per your request, we have reviewed the structural integrity of the 2 x 10 wood !loor joists
with regard to the I" circular holes that have been drilled through the joists for wiring
raceways.
From a structural standpoint, the integrity of the joists remains intact. The joists are
designed for the maximum tlexural stresses which is located at the center of the 15 foot
span. The holes have been drilled near the quarter point of the span and sufficient section
modulus is present resulting in flexural stresses less than the designed mid-span of the
joist.
From an electrical standpoint, where bored holes are located within 1-1/4" from the edge
of the joist, the raceway shall be protected from penetration of screws or nails by 1/16"
steel plates as prescribed by Section 300-4 of the NEC (copy attached). The ceiling
drywall contractor should provide these protective plates and should be aware of the
raceway locations to further prevent accidental penetrations.
Respectfully,
KEELER- WEBB ASSOCIATES
James P. McCann, P.E.
Registration Number 860332
State ofIndiana
" FROM : KEN GREGORY
FAX NO. :317 887-6125
Jan. 03 2006 02:53PM P1/3
l.IC;C;{\,'SED ,. BOf'IDcO .; IhlSUAED
Kennech ). Gregory Co., Inc.
G~N5,1~.L CGNT,:;;;J;.CiOF,S
.~,:'AODe:~INC: ~ ~:;?,~"IP'S
SrE-::j,:'.L.~S,S
2. i ::' \.~)ill'I::i =:'/:., ~ui;s ~, ,. G~!:h1,')~'/O:;.;d, IN 461 ~2
('31 ,'.; 7?~..!.~:-,.:.
FAC/MiLE fy1E$~..l\.Q~SHEE.I
DATE OF TRANSMISSION
~~~
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.. CO~M.ENTS:I?.u' ~-/A ~/~~~
JJ/~ ,~"7, '
, FROM : KEN GREGORY
FAX NO. :317 887-6125
Jan. 03 2006 02:53PM P2/3
KEELER -WEBB ASSOCIATES
C01UtUI.tir/(/ Enginegrs . Pla.nnm . SUrtl"1lM'
T!:I.I':PHONf., (~17) f,,7A-O.040 ' .,.....~ 1~171 .74.1~C;&
486 GRACLIE ORJVII!:
CARM~L., INOI~N"'" 46032
December 27, 2005
Mr. Ken Gregory
.KENNETH.T. GREGORY COMPANY
810 Lowes Boulevard .
Greenwood, Indiana 46142
Re.: KW A Project No.: 0512-031
Single Family Dwelling
Keese Residence
985 Arrowhead Drive
Carmel. Indiana
Per your request, we have reviewed the structural integrity of the 2 x 10 wood floor joists
with regard to the 1" circular holes that have been drilled through the joists for wiring
raceways.
From a structural standpoint. the integrity of the joists remains intact. The joists are
designed for the maximum flexural stresses which is located at the center of the 15 foot
span. The holes have been drilled near the quarter point of the span and sufficient section
modulus is present resulting in flcxural stresses less than the designed mid-span of the
joist.
From an electrical standpoint, where bored holes are located within 1-1/4" from the edge
of the joist. the raceway shall be protected from penetration of screws or nails by 1/16"
steel plates as prescribed by Section 300-4 of the NEC (copy attached). The ceiling
drywall contractor should provide these protective plates and should be aware of the
raceway locations to further prevent accidental penetrations.
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l' Registration Number 860332
State ofIndinna
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