Plans (72) M EC2020-00304
EQUIPMENT SCHEDULE
Scope of Work :
Equipment # Unit Weight Unit Voltage Cooling Btu's Heating Btu's Unit CFM OSA Model
1 ) Provide a supply and return in each of iiECEIVED
Existing RTU - - - - - - - - 1200 154 Existing 3 Ton the new office areas. MAY 12 2020
_ 2) Install duct work off existing drops. CITY OF 1i
EX 1 &2 5 LBS 110 - - - - 80 -- Broan A80 3) Install two exhaust fans. One for the BUY DING DIVISION
xie restroom and one for break room.
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OSA TABLE e W
Default People Area Outdoor o
Outdoor Air Zone Air N
Occupant Zone Air Rate per K o
Rate per Distributi Zone Outdoor W
Room name Ventilation occupancy Area Net Density Populatio person from unit area from Gross CFM OSA on Airflow r '1 71.1 4f H Ave
classification Note 1 (Az) #/1000 n Note 3 OMSC 2019 Vbz=RpPz+RaAz 1
FTS (Pz) OMSC 2019 table 403.3 efssc(Ez) (Voz ) ' o
Note 2 table 403.3 (Ra)
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Waiting 250 Lobby 95. 63 10.00 1 .00 5.00 0.06 10.73 0.80 14.00 o z
Reception 251 Reception 188.06 30.00 6.00 5.00 0.06 41 .28 0.80 52.00
Office # 1 254 Office 111 .00 5.00 1 .00 5.00 0.06 11 . 66 0.80 15.00 10
Office #2 255 Office 111 .00 5.00 1 .00 5.00 0.06 11 . 66 0.80 15.00
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Office #3 256 Office 1 1 1 .00 5.00 1 .00 5.00 0.06 11 . 66 0.80 15.00 '
Office #4 257 Office 106.38 5.00 1 .00 5.00 0.06 11 .38 0.80 15.00
TMSNW # 1 258 Office 106.38 5.00 1 .00 5.00 0.06 11 .38 0.80 15.00 7�
TMSNW #2 259 Office 83.38 5.00 1 .00 5.00 0.06 10.00 0.80 13.00
NOTES: (1 ) Occupancy Type or room classifies as Naturally Ventilated. (2) Estimated Maximum Occupant Load, Persons per 1000 SQFT from OMSC 403.3. (3) ~
Calculated Occupancy Load using SQFT Areas and Occupancy Load Factors in OMSC Table 403.3. (4) Expected Average occupant load is much less than the Regulatory Requirements;
calculated total for some rooms. Use 100% of Programmed Occupancy or 50% of Calcuated Occupancy (per OMSC 403.3), which ever is less. N
1. All work, installatlons, material and equipment shall comply with the
provision of the following codes, standards and regulations, except N
where more stringent requirements are shown or specified.
Single Line Double Line Description A. State of Oregon Mechanical Code, State of Oregon and Washington '� 4-1
Energy code,
B, All work shall comply with the IBC and any amendments set forth
Framing structure by the State of Oregon or the State of Washington 7� N
C. Atl City, County and Federal applicable laws and regulations
2' screw into Volume Damper D. Regulations and standards set forth by ASME, ASHRE, SMACNA, AGA
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framing structure and ARI,
24 ga. strap through 24 ga, strap Fire Damper 2. All electrical products shall bear the U.L. label,
a FD----e FD p A. All wiring shalt be installed in accordance with the National
c F FSD Fire/Smoke Damper Electrical Code.
Smoke Damper
B. State of Oregon Electrical Code, State of Washington Electrical
�� code,
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Duct � aSD �
SD
Motorized Damper �
224&. strap attached D MD Ductwork Types;
to duct work. StarapFor ductwork 28' and snnller. r �,� Mitered Elbow with Turning
,
wraped around Vanes 1. Galvanized Steel Sheet Metal, •-a
ductwork. Radlused Elbow A. Metal gauges, joints and reinforcement in accordance with ^�
mechanical code, ASHRAE and SMACNA tables and recommendations, N
B. Supply air duct insulation to be 2 inch duct lined commercial
Rectangular Main with Round grade, or 2 Inch foil faced duct wrap insulation with a R rating of
Branch R-4 when located within the envelope of the building, All insulation
�--� shall be installed in accordance to manufacturer's, ASHRAE and
Framing structure � Rectangular Maln with
SMACNA recommendations,
Rectangular Branch C. Exposed ductwork shall not be externally insulated,
----�--� � I Concentric Square to Round
2, Flexible Ductwork REVISIONS
� 3' lagg Into framing �� Eccentric Transition, A, Insulated low pressure flexible duct with an R value of 4.2 may be
structure attached Rectangular or Round used in areas where protected from damage ( generally above a
suspended ceiling,)
all-thread
to all-thread. Symmetrical Wye B, Flexible duct shall be a UL 181, Class 1 Air Duct or better,
Rectangular Duct Riser Installation Description;
� --�
Duct Round Duct Riser A. Locate ducts with sufficient space around equipment to allow
Rectangular Duct Drop normal operation and maintenance activities
B, Provide manual volume dampers on all supply air ducts, and as
Round Duct Drop necessary on exhaust or return air ducts,
Rectangular Offset Less C. Provide back draft dampers on all exhaust fans,
D. Install access doors for inspection and cleanln at all fire JOB NUMBER:
chanell su orted For ductwork over 30' wide and multiple than 15• P g
p duct runs on same trapeze hangers, dampers, coils, filters and fans or as required by governing code, *
by all-thread p g Rectangular Offset More E. Support of ductwork shall be done with 1 inch wide 24 gauge 18047
than 15• cradle hangers not more than 8 feet c/c or as required by code. DATE:
Straps will be supported be 16 gauge wire and or 3/8 inch threaded
Round Wye rod. Support terminal units independent of adjacent ductwork, Attach 5/6/2020
Framing structure to available building construction as per good practices for materials
a EX cx Extractor involved, DRAWN B1r:
31 eye Tagg Into F. All Wiring and electrical devices required for controls will be
framing structure Bellmouth installed to manufacturer's Instructions and in accordance to the MJM
16Ga, Wire rz N.E.C. and OEC ,
Round Duct with Round
Seismic Support at Brunch G. The support of gas lines installed inside of a building shall be SCALE:
the end of all duct
runs consisting of Concentric Transition, supported ever 10 feet horizontal) b 3/8 inch threaded rod and
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16ga. wire at 45' � loop hangers Vertical runs will be supported by unistrut and pipe 1/4 -1 -011
angle Rectangular or Round clamps every 10 feet. Where a gas line is installed across the roof
Accoustically Line Duct of a building It will be supported by pressure treated 4X6 and
16Ga. Wire tied to 24 l� Flexible Connection fastened down with two hole pipe clamps at 8 foot intervals, All HVAC SHEET NO.
go, starap wraped _� equipment will have a gas shut off valve with in 4 feet of that piece
around ductwork. �--� �+ Round Insulated Duct
of equipment,
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EXISTING DROPS
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THE ROOF
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bop 111 11W
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---- ----- oa '- ----
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TH UGH 200 �@ 00
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80 1010 `--�
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130 �o 130 m 120 <m 10" s"m
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CFM CFM CFM
e' 140 CP: 140 a 140
TKA IkA uo IMA tl "(1, CFM a CFM CFM
259 258 257 REVISIONS
FFICE 3 OFFICE 42 OFFICE
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254 1 IE
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JOB NUMBER:
18047*
DATE:
5/6/2020
DRAWN BY:
MJM
SCALE:
1/411=11-011
SHEET NO.
10Reflected Ceiling Plan
1 /4"= l '—O"