Plans cam.'LC 204'1 ov `f,3
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ELECTRIC MFG. CO.
2138 N Interstate Ave. •
Portland, Oregon 97227
Phone: (503) 284 -1415 Far: (503) 284 -0016
Email: sales(Jouch.com Web Site: www.Fouch.com •
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To: Ray Lipsit @ Eoff Electric • • Date: 9 -28 -04
Ph: (503) 963 -5534
• Fax: (503) 963 -5519
Email: ray.lipsit @eoff.com
From: Lawrence Bombardier
Job Name: 4000 Amp Termination Enclosure
Ray, •
Please find below the information on the changes to the braided bus work for the Washington Square Project. These are in
accordance with our UL listing UL 891 and UL1773 which refers to UL 891 for bussed connection. As the calculation
show that the bus has more than UL required contact surface.
` New Holes to be drilled
II in braided copper ends
F -5 .fir-19 f J / I Per ULI773 for current c:rrvinc parts section 9.1 which
0/ m refers to ULB9l. UL89I tale 13.3 which refers to table
13.2 states that the nininun zontact area at a clonped
joint shall provide not less than 1 square inch (6.5cn2)
(I) per 200anperes."
4.250 Therefore 4,25 x 5 = 21.25 squcre inches
O O I 21.25 x 200anps = 4250c-ps per braided joint
/////i or O O 2 joints per phase 2 x 4_E;;enps = 8500anps
/ S i/ Therefore the contact surface is good for 8500anps
per hase.
C {
eAc I, ip
is required that the 2 new be drilled
Existing Buss Co /PPf.Z end bolted Hake r.a. joints surfaces are
/ TO incontoct and flat. sure :
7 / L j/'� 4
Braided Copper Section '*.� r j Q I A ) — A l i d �S
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/ • In reeuards to the 1/2' of naterial craved fro the bottan section of the braided bus
�¢ r il! not effect the onpaci of these parts.
0 0 5.500 5.5 x 5 = 27.5 square inches
0
0 0 27.5 x 200anps = 5500onps per braided joint
L.__ moo — .J 2 joints per phase 2 x 5500anps = liCtOanps per phase
H: \Quotes\E\2004e \Eoff Electric Washington Square Change details 9- 28- 04.doc Page 1 of 1 9/29/04
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5EV I 0ESC5lPTi.N I DATE I 'PPP00ED
CO I .r: _r eina 1 - -04 I LS
e to eve cover / I
. rrl
the attach to second
chase with casket
In betwe•er. - /
% 9 GIBS
\ !) All joi„ts will be silver plates
2) Al l poles to attach cooper must be
1 Grade 5 hex head type."
II 1 CD ! i 0 \ 3 )A.l I 1/2" bolts to be torqued to 70
i ft Ibs each with a lock washer and
flat washer on each side or bus bar
Oi a - L l 4) All covers must be screw down tightly
e to compress the gasket material
5) All dilmensians to match to existing
z - ► cusromer"
� �. P a i n t s w i l l be provided by the
� S 1.
: / 5) Encloslres must be installed on
OtEmm e level foundation.
Cover Not shown
4 1 1 1111
For Clearity
/
Cover Not shown
For Cl ear i t y
101 0 ; EAjINEO INFO Cover Not shown 9 I 0 I EA IINFO INFO
Braided insulated III For Clearity
bus bars t o go to / • 8 1 0 1 EA INFO INFO
the existing bus / 97.000 I 0 EA INFO INFO
sfabs • /
47.000 — i SO.000 6 I o (r�o MM
I I I to Ground bar I/4 z 4 Copper
��� 1 4 1 EA Phase A.B.0 and N 1/4 o S (4 per phase) Cooper
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j I I I 13 ' 4 E.4 Copper Landing Pad for (2 lugs Back to Back Copper
- _ 1 E. I I i E4 (Enclosure 'B' Painted ABA Ni Cray 12aa P30
48.000 = _ I J.. •�N : i I I EA'Enclosure 'A' Painted ASA 61 Cray 12ga POD 1
� o I, :J:.t: • . ifeal NIT! N �, N '
Description 4atl. Sped
I 0 0 07 • n 0 0 I j BILL OF MATERIALS
. POUCH ELECTRIC CFO. CO. INC.
I 2133 N INTERSTATE AVE. EMAIL: sales @fouch.coa
X5.000 — ! PORTLAND, OREGON 97227 dEE: eee.Fouch.co,n
PHONE: 503-284-14(5
FAX: 503-284-00I6
3. Recove ail stn ecaes i,J$'si' ; "F ?::.:ii Electric n —
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2. Fainted :5A Grey _ IN N0. 04.00 .040 00 rev 0 Pe: '4:sr.i Wotan Square Ter�ination Enclosure
I. Neap aR Terai::aiicc �;ci sura OT V ' l � fi00cao ',EJR iddifion Rated 65KAIC e 1'800 •