Section 2 Ordinary classrooms
Article 3.2. 1 The layout of desks and chairs in the classroom shall meet the following requirements:
First, the row spacing of tables and chairs: the primary school should not be less than 850mm, and the middle school should not be less than 900mm；; The width of the longitudinal walkway should not be less than 550 mm, and the clear distance between the desk end and the wall (or the inner wall column and equipment pipeline protruding out of the wall) should not be less than120 mm.
Second, the horizontal angle of view formed by students sitting in the front seat and the far end of the blackboard shall not be less than 30.
Third, the horizontal distance between the front of the first row of desks in the classroom and the blackboard should not be less than 2000mm；; The horizontal distance between the back edge of the last row of desks in the classroom and the blackboard: primary school should not be greater than 8000mm, and middle school should not be greater than 8500mm. A transverse walkway of not less than 600mm should be set at the back of the classroom.
Article 3.2.2 Ordinary classrooms should be equipped with blackboards, platforms, cleaning cabinets, curtain rods, screen hooks, broadcast speakers, "Academy" columns, clothes hooks and rain gear storage places. The front and rear walls of the classroom should be equipped with a set of power sockets.
Article 3.2.3 The blackboard design shall meet the following requirements:
1. Blackboard size: height not less than 1000mm, width not less than 3600mm in primary school and 4000mm in middle school.
Second, the vertical distance between the lower edge of the blackboard and the podium: the primary school should be 800-900 mm; ; The middle school should be1000-1100 mm.
Three, the blackboard surface should be made of wear-resistant and dull materials.
Article 3.2.4 The horizontal distance between both ends of the platform and the edge of the blackboard should not be less than 200mm, the width should not be less than 650mm, and the appropriate height should be 200mm.
Section 9 Classroom in Combined Class
Article 3.9. 1. The size of the classroom should be able to accommodate students of one grade, and it can also be used as an electric classroom.
Article 3.9.2 It is advisable to set up a projection room and an auxiliary room for the storage and maintenance of audio-visual equipment in the combined classroom.
Article 3.9.3 The floor of a classroom with a combined class can be leveled to accommodate two classes; If there are more than two shifts, sloping ground or stepped ground should be used.
Article 3.9.4 The layout of the combined classroom shall meet the following requirements:
First, the horizontal distance between the front of the first row of desks in the classroom and the blackboard should not be less than 2500mm；; The horizontal distance between the back edge of the last row of desks in the classroom and the blackboard should not be greater than 18000mm.
Second, the horizontal angle of view formed by students sitting in the front seat and the far end of the blackboard shall not be less than 30.
Third, the seat spacing: the primary school should not be less than 800mm, and the middle school, normal school and kindergarten teacher should not be less than 850 mm.
Fourth, the width of the aisle: the clear width of the vertical and horizontal aisle should not be less than 900mm；; When there are middle and longitudinal walkways against the wall, the width of the longitudinal walkways against the wall should not be less than 550 mm
Five, the seat width should not be less than 450 ~ 500 mm ..
Six, the classroom tables and chairs should be fixed. The class chair should be a flip chair.
Article 3.9.5 When calculating the line-of-sight elevation value of sloping ground or stepped ground, the design viewpoint should be set at the bottom of the blackboard; The elevation value of each line of sight should be1.20mm; The front and rear seats should be staggered.
Article 3.9.6 When the classroom is equipped with an ordinary film projection room, the height difference between the bottom of the projection hole and the ground elevation of the last row of seats should not be less than1800 mm; ; The distance between the last floor and the ceiling or structural protrusion should not be less than 2200mm.
Article 3.9.7 The classroom design for showing daytime movies shall meet the following requirements:
1. The clear width of the projection room should be 1/4 ~ 1/2 of the length of the classroom.
Second, the width of the hole where the transmission curtain is installed should be1/6 of the length of the classroom; The aspect ratio of the hole should be1:1.34; The distance between the elevation of the hole bottom and the platform should not be less than 1200mm.
Three, the projection room wall and ceiling surface should use dull dark materials.
Article 3.9.8 The design of the combined classroom equipped with audio-visual facilities shall meet the following requirements:
A blackboard and a screen should be set on the front wall of the classroom. The front and rear walls shall be equipped with power outlets.
Two, indoor TV installation facilities should be set up curtain box.