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Technical Note (National Research Council of Canada. Division of Building Research), 1952-11-26
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Noise Hazard of Proposed Forest Products Laboratory Building
Northwood, T. D.
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NRC Publications Record / Notice d'Archives des publications de CNRC: https://nrc-publications.canada.ca/eng/view/object/?id=f5cfd451-cbe6-435f-a191-6d252692bb73 https://publications-cnrc.canada.ca/fra/voir/objet/?id=f5cfd451-cbe6-435f-a191-6d252692bb73
NATIONAL RESEARCH COUNCIL OF CANADA
DIVISION OF BUILDING RESEARCH
T
1E
C
1HIN II CAlL
NOT FOR PUBLICATION
NOTlE
No.
13$FOR INTERNAL USE
PREPARED BY T. D. orthwood
ＮＡＺＮＮｐｒｾｅ］ＮＡＺｐｾａＮＮＡＺｬＮｒ E5:.!D:!...!:F..l:!O..!:l..R Mr. S • A. Gitt
CHECKED BY 'l.D. • APPROVED BY
R. F. Legget
DA.TE
0..
20ｾ 19$2 •SUBJECT: Hol.e Hasard ot Propoaed roducta'
taboratorl Bulldln§
In oonnection with th propos d Por t Produot. buildin on
th Oentral Mortg ge and Housing Corporation's propert1 on the Kontreal Road it was consi red that 0 ot the Machin ry used by the Fore t
Products L boratorie might b undesirably noiaT_ At the request ot
• Gitt it va eed to a ur the nois • in qu ation and to conai er wheth r it would oa ible to control the.e noiaes aatia-taotorily so th t th would not b an annoyanoe.
or at Products
Laboratorieat-
:-Looation
a ure n were m in th vicinity ot a large
unn l' Pastur diatrict. This was conaider d rioua nois pr bI • In addition a t w
aaure-laboratori with varioua • all
b r &ding obtained are tabulated
Sound Level
(Decibels) Remarka
Inside
ft 111tI Roo :tI
It tI
ans and enerator running ＹＹｾ
anaｾ g n rator aaw running
6
a abov with aaw cutting log 98-100 Sawing did not add greatlT to noi.e level.
o
tald ｾ 20 tt'. fro door.,openin dir ctl1 into ill roo Door open, II running
Doora op n, aw cut tin Doors clos d, w cuttin
ie t lev 1 ＨｾｬｬＧｮｯｴ op rating)
80
8$-9065-70
65-75
(close to bi nt lev 1) (possibly light11 high du to wind on microphone)/ '
L
boratory:-S 1 w (cutting)
74
( ur d at 10 ft.pprox.)
edium w (not cutting) 83 It
"
" (cuttin) 90-100"
S 1 planer (cutting) 8$
"
"
"
:Oe Walt saw (not cutting) 90-100
"
"
If "(cuttln ) 10$-110
1.nt nol· : PI' tor1 A enu 60-70 (no tratt'10 within
50
:tt.)8) (bu p sing)
rt t corn r of O.M.B.C. ull 1ng
1 nt ols
62...70
It wl11 b noted th t th 0 t inten not wa du to tb D Walt 11 t PI' tor1a Av nu, 'although, cona14erln the envlronm ntｾ It probbly produce. th 8 eOI'd r rene S1 8 th 111aav. It
ahould al 0 b noted th t the bl nt nola. 1 v 1 on Pr toria venue
1 of th ord r a that at to rth- ｾ Orner or C.M.R.C. In
both c th main nol e oure at t t W du to traffi •
Although th no18e 1 v 1 at th South nd 01' th$ C.H.R.C. bullding 1 faIrly 1
w
th a ne ntr al Road 1 noly du to th h avytraf'-tlc. .
.v .Laboraton: . uUding to : ...
!h r vill be no in up r h1 prable in de.lgntng the n v
1 bor tory buIldIng to pr vent tran 1. 10n ot the noi.. fro th
chin li.t d bove. It 1. r co n e4 that the build1n be e.igned
with all
tn
hop· are 8 1nolu41n the 1118awlat or below ground lev 1 in th Interlo:r of th· bu11ding. he hop area amould e co plet 11 enolo••d with all d celling on.tructions providing nols r duction . t t 1e t SO olb 1 . Car houlcl be tak n 1n d signing v ntilation ducts d door to provid the enol ductlon. Gen ral17 speaking, two ts of door ar d lrab1e b tv n the shop are and adjacentportions ot th build! or 0 td ora. It 1t is n c 8 al'1 t 10c&t an7 P rt ot th noi e ar a along t o u t 14 wall ot th bul1dln • • double vall 1 desir bl t thi poInt. i ows would constitute a probl and uld b v ld •
To provide atlstactory working oDdition within the hop ar it shoul b sub-clivid d into toOl' thre se tlon with couatlc tr at .nt on c i110 a. Heav,- chin r"f uch a th 118 w anel Ita as oel te gen r t l' shoulcl be unt d on eparate found t10n tr th quiet etlons ot the ｢ｕｬｾ､ＱｮｧＮ .
tion toInalU- ｾ｡Ｑｮ｡ｴ
It 1s probably d airable t • t bl1ah .. quantlt tlv. ba.!a tor d terminI vh th l' obJ ctton. 1e nolae ls beln produoed. I i .
