1310 SE EVERETT MALL WAY Geotech Report 2022-10-25

2006 W gton State Nonresidential Energy Code Com ce Form . . 2006 Washington State Nonresidential Energy Code Compliance Forms Revised July 2007 Mechanical - General Requirements 1412.8 Ventilation Controls for High-Occupancy Areas: Demand control ventilation(DCV)is required for spaces that are larger than 500 ft2,have a design 1411.1 General:Equipment shall have a minimum performance at the specified occupancy for ventilation of greater than 40 people for 1000 ft2 of floor area,and are rating conditions not less than the values shown in Table 14-1A through 14-1G. If a served by systems with one or more of the following: nationally recognized certification program exists for a product covered in Tables a. An air-side economizer, 14-1A through 14-1G,and it includes provisions for verification and challenge of equipment efficiency ratings,then the product shall be listed in the certification b. Automatic modulating control of the outdoor air damper,or program. c. A design outdoor airtlow greater than 3000 cfm. Gas-fired and oil-fired forced air furnaces with input ratings>225,000 Btu/h(65 Exceptions: kW)and all unit heaters shall also have an intermittent ignition or interrupted device 1.Systems with energy recovery complying with Section 1436. (IID),and have either mechanical draft(including power venting)or a flue damper.A 2. Multiple-zone systems without direct-digital control of individual zones vent damper is an acceptable alternative to a flue damper for furnaces where communicating with a central control panel. combustion air is drawn from the conditioned space.All furnaces with input ratings> 3. Systems with a design outdoor airflow less than 1200 cfm. 225,000 Btu/h(65 kW),including electric furnaces,that are not located within the 4. Spaces where the supply airflow rate minus any makeup or outgoing conditioned space shall have jacket losses not exceeding 0.75%of the input rating. transfer air requirement is less than 1200 cfm. 1411.2 Rating Conditions:Cooling equipment shall be rated at ARI test conditions 1413 Air Economizers and procedures when available.Where no applicable procedures exist,data shall 1413.1 Operation: Air economizers shall be of automatically modulating outside and be furnished by the equipment manufacturer. return air dampers to provide 100 percent of the design supply air as outside air to 1411.3 Combination Space and Service Water Heating:For combination space reduce or eliminate the need for mechanical cooling.Water economizers shall be and service water heaters with a principal function of providing space heat,the capable of providing the total concurrent cooling load served by the conneted Combined Annual Efficiency(CAE)may be calculated by using ASHRAE Standard terminal equipment lacking airside economizer,at outside air temperatures of 45°F 124-1991.Storage water heaters used in combination space heat and water heat dry-bulb/40°F wet-bulb and below.For lhis calculation,all factors including solar and applications shall have either an Energy FActor(EF)or a CAE of not less than the internal load shall be the same as those used for peak load calculations,except for following: the outside temperatures. EF CAE Exception:Water economizers using air-cooled heat rejection equipment <50 gal storage 0.58 0.71 may use a 35°F dry-bulb outside air temperature for this calculation.This exception is limited to a maximum of 20 tons per building. 50 to 70 gal storage 0.57 0.71 1413.2 Documentation:Water economizer plans submitted for approval shall >70 gal storage 0.55 0.70 include the following information: 1411.4 Packaged Electric Heating and Cooling Equipment:Packaged electric 1. Maximum outside air conditions for which economizer is sized to provide equipment providing both heating and cooling with a total cooling capacity greater full cooling. than 20,Btu/h shall be a heat pump. 2. Design cooling load to be provided by economizer at this outside air Exception:Unstaffed equipment shaelters or cabinets used solely for condition. personal wireless service facilities. 3. Heat rejection and terminal equipment performance data including model 1412 Controls number,flow rate,capacity,entering and leaving temperature in full 1412.1 Temperature Controls: Each system shall be provided with at least one economizer cooling mode. temperature control device. Each zone shall be controlled by individual thermostatic 1413.3 Integrated Operation:Air economizers shall be capable of providing partial controls responding to temperature within the zone. At a minimum,each floor of a cooling even when additional mechanical cooling is required to meet the remainder building shall be considered as a separate zone. of the cooling load. 1412.2 Deadband Controls:When used to control both comfort heating and Exceptions: cooling,zone thermostatic controls shall be capable of a deadband of at least 5 1. Individual,direct expansion units that have a rated capacity less than degrees F within which the supply of heating and cooling energy to the zone is shut 65,000 Btu/h and use nonintegrated economizer controls that off or reduced to a minimum. preclude simultaneous operation of the economizer and mechanical Exceptions: coolin 9 1. Special occupancy,special usage,or code requirements where 2. Water-cooled water chillers with waterside economizer. deadband controls are not appropriate. 1413.4 Humidification: If an air economizer is required on a cooling system for 2. Buildings complying with Section 1141.4,if in the proposed building which humidification equipment is to be provided to maintain minimum indoor energy analysis,heating and cooling thermostat setpoints are set to humidity levels,then the humidifier shall be of the adiabatic type(direct evaporative the same temperature between 70 degrees F and 75 degrees F media or fog atomization type). inclusive,and assumed to be constant throughout the year. Exceptions: 3. Thermostats that require manual changeover between heating and �. Health care facilities where WAC 246-320-525 allows only steam cooling modes. injection humidifiers in ductwork downstream of final filters. 1412.6 1412.3 Humidity Controls: If a system is equipped with a means for adding Combustion Heating Equipment Controls:Combustion heating moisture,a humidistat shall be provided. equipment with a capacity over 225,000 Btu/h shall have modulating 1412.4 Setback and Shut-Off: HVAC systems shall be equipped with automatic or siaged combustion control. controls capable of accomplishing a reduction of energy use through control setback 2. Systems with water economizer or equipment shutdown during periods of non-use or alternate use of the spaces 3. 100%outside air systems with no provisions for air recirculation to the served by the system The automatic controls shall have a minimum seven-day central supply fan. clock and be capable of being set for seven different day types per week. It must 4. Nonadiabatic humidifiers cumulatively serving no more than 10%of a retain programming and time for a power loss of 10 hours and include an accessible building's air economizer capacity as measured in cfm.This refers to manual override of up to 2 hours. the system cfm serving rooms with stand alone or duct mounted Exceptions: humidifiers. 1. Systems serving areas which require continuous operation at the �414 Ducting Systems same temperature setpoint. 1414.1 Sealing: Duct work which is designed to operate at pressures above 1l2 inch 2. Equipment with full load demands of 2 kW(6,826 Btu/h)or less may Water column static pressure shall be sealed in accordance with Standard RS-18. be controlled by readily accessible manual off-hour controls. Extent of sealing required is as follows: 3. Systems controlled by an occupant sensor that is capable of shutting �, Static pressure: 1/2 inch to 2 inches;seal transverse joints. the system off when no occupant is sensed for a period of up to 30 Z. Static pressure: 2 inches to 3 inches;seal all transverse joints and minutes. longitudinal seams. 4. Systems controlled solely by a manually operated timer capable of 3. Static pressure: above 3 inches;seal all transverse joints,longitudinal operating the system for no more than two hours. seams and duct wall penetrations. 1412.4.1 Dampers:Outside air intakes,exhaust outlets and relief outlets serving Duct tape and other pressure sensitive tape shall not be used as the primary conditioned spaces shall be equipped with dampers which close automatically when sealant where ducts are designed to operate at static pressures of 1 inch W.C.or the system is off or upon power failure Stair shaft and elevator shaft smoke relief greater. openings shall be equipped with normally open(fails to open upon loss of power) dampers.These dampers shall remain closed until activated by the fire alarm 1414.2 Insulation:Ducts and plenums that are constructed and function as part of system or other approved smoke detection system. the building envelope, by separating interior space from exterior space,shall meet all Exceptions: applicable requirements of Chapter 13.These requirements include insulation installation, moisture control,air leakage,and building envelope insulation levels. 1. Systems serving areas which require continuous operation. Unheated equipment rooms with combustion air louvers must be isolated from the 2 Combustion air intakes. conditioned space by insulating interior surfaces to a minimum of R-11 and any 3. Gravity(nonmotorized)dampers are acceptable in buildings less exterior envelope surfaces per Chapter 13.Outside air ducts serving individual than 3 stories in height. supply air units with less than 2,800 cfm of total supply air capacity shall be insulated 4. Gravity(nonmotorized)dampers are acceptable in exhaust and relief to a minimum of R-7 and are not considered building envelope.Other outside air outlets in the first story and levels below the first story of buildings duct runs are considered building envelope until they, three or more stories in height. 1. connect to the heating or cooling equipment,or � ✓ ; 'IA��A 7 llnfim��m C�nri(`nn�rnle�LJoo1i....onrl�...+I�nn c„c/ome�.i�1h rlocinn ciinnl�i � oro�enlotorl Fmm/ho ovfori...�e�i1ti o..oiilnma/in etii�t_nif rlomnor rmm�l��inn '�/�`.' ��