Plans (60) i
Oregon Hwa#igTM ��1�a. /1 ,r
& Air Conditioning
2 3Cornerstone Chiropractic MAY ���l
11565 Sw Durham Rd CITY OF 11
King City, Or 3Oi ' 1,
Scope of Work
Oregon Heating and Air Conditioning will perform the following scope of work:
1. Provide and install new rooftop gaspack unit on existing curb, replacing existing.
2.
Equipment Schedule
RTU1-. Trane 4YCC4048- 4 ton. 230/1/60, 32MCA, 50 MOCP. 46,500 Btu cooling, 14
seer. 70,000 Btu input gas, 81% AFUE. 448#. Economizer.
Mechanical General Notes:
1. Cooling equipment does not exceed the load of the calculated requirement.
2. Heating and cooling ducting to be designed to not exceed 0.5 wc positive(supply)and 0.5 wc
negative(return).
3. Exisitng programmable thermostat. 5 degree deadband minimum. 7 day. Microprocessor. Set
program for night energy savings.
4. Fan motor does not exceed allowable, first available above BHP.
5. Max leakage rate of OSA or exhaust dampers to be 4 cfm/sft @ 1.0 sp.
6. Provide 0 and M to building owner.
CITY OF TIGARD
Ventilation Requirements-based on 2014 OMSC table VIEWED FOR CODE COMPLIANCE
RTU1 single zone office Approved: [
1400 sft breathable zone �;'
OTC: [ j
Persons-5 cfm X 5pJ1000sft= 35 cfm Permit#: �� -or - 2Ot 1 ""
Area-0.06 cfm/sft=84 cfm
Vbz=119 cfm Address: r.1 r.�a►�..r
Ez= 0.8 (supply and return in ceiling) Suite#:
Voz= 149 cfm By '� � Date: r
RTU1-
SA= 1600 cfm
RA= 1450 cfm
OSA= 150 cfm OFFICE COPY
GAS-
Load reduction from 75 Mbtu to 70 Mbtu.
MO
Oregon Heating & Air Conditioning, LLC � � z
PHONE NUMBER FAX NUMBER OPERATIONS CONTRACTOR LICENSE � �
503-691-9699 503-691-8556 19300 SW 118th Ave Oregon CCB 137653
Tualatin,OR 97062 WA OREGOHC85102 °'"I
wwworegonheating.com