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3. Design Basis
3.1 Location
Shanghai Latitude: 31.1; Longitude: 121.4; Altitude (m): 2.6
3.2 Meteorological parameters
1、 atm: Winter 102.51Kp, summer: 100.53 Kp. ,
2、 outdoor computing (dry bulb) temperature (℃)
Winter Summer
Heating Air conditioning The lowest average daily Ventilation Air conditioning Air conditioning daily average daily range Ventilation
-2 -4 -6.9 3 34 30 7.1 32
3. Summer air conditioning outdoor calculation of the wet bulb temperature (c): 28.2
4．indoor design parameters
The design of air conditioning in summer temperature: 26 ℃, wind speed less than 0.3 m/s
Winter air conditioning design temperature: 20 ℃, wind speed less than 0.2 m/s
Use of the room The summer temperature The winter temperature Relative humidity in summer Relative humidity in winter Personnel density Lighting standard Fresh air supply
(℃) (℃) (%) (%) (p/m^2) (W/m^2)(m^3/h.p) (次/h)
Computer Room 22.0 20.0 55 50 0.153 7.0 50.0
Office 26.0 20.0 60 50 0.148 9.0 50.0
Reading Room 26.0 20.0 60 50 0.624 9.0 1.0
Lobby 26.0 20.0 60 50 0.162 13.0 2.0
3.3 Design specifications
1, <heating, ventilation and air conditioning automatic control specification>;
2, <energy saving design standard>;
3, <heating ventilation and air conditioning design specification>;
4, <heating ventilation and air conditioning drawings standard>;
5, <fire protection design of tall buildings>
6,<national technical measures for design of civil construction -- HVAC, power>
7, <HVAC drawing standard>
8, <heating ventilation and air conditioning in terms of standard>
4. The main task of the design
According to the requirements of information building air conditioning system design of 3-4. The specific content of the air conditioning system design of information building area 3-4 and smoke control system; cooling and heating load calculation; according to the load, combined with the features of buildings, the preliminary determination of air conditioning system; air conditioning system according to the selection of main equipment, air conditioning system; design and calculation of air conditioning system; determine the indoor air and indoor position, check indoor air flow organization; involved in the design to the construction of smoke control problem, the necessary discussion and explanation; drawing; write design calculation manual and completed many drawings drawing. And according to the study of basic theory and professional knowledge, combined with the actual project, according to the engineering design specifications, standards, design drawings and relevant reference data, complete the required engineering design. The design scheme is reasonable, practical, accurate calculation, chart.