Biology Public buildings The safety laboratory shall have measures to prevent the access of arthropods and rodents.
The ceiling of the safety laboratory protection area of Class IV biological public buildings shall not be provided with access openings.
The environmental facilities of negative pressure barrier shall be equipped with harmless treatment facilities or equipment, and the waste articles, cages, animal carcasses, etc. shall be transported out of the test area after harmless treatment.
Public buildings Measures shall be taken to prevent insects, wild rats and other animals from entering and experimental animals from escaping.
The cinema set in the complex building should be set near the independent vertical traffic, and there should be space for personnel distribution; There shall be a separate entrance and exit leading to the outdoor, and obvious signs shall be set.
The interior decoration shall not cover the signs of fire-fighting facilities, evacuation signs and emergency exits, and shall not hinder the normal use of fire-fighting facilities and evacuation routes.
The keel of auditorium decoration must be firmly connected with the main building structure. The hanging of suspended ceiling and main structure shall be provided with safety construction measures. The main structure with space truss or steel roof truss above shall be provided with steel structure transfer floor. The ceiling of the auditorium with large volume and many pipelines should have maintenance space. As required, maintenance catwalks, manholes and passages to facilitate access to the ceiling shall meet relevant fire prevention and safety requirements.
Public buildings It should be far away from towns and cultural centers (2) towns that are vulnerable to pollution.
When the flat roof of a town (township) cultural center building is used as a public activity place, the following provisions shall be met:
1 The height of the enclosure shall not be less than 1.2m, and the outer edge of the enclosure shall not be less than 1.0m from the cornice of the building; Fixed metal railings shall be set inside the fence, and the horizontal distance between the fence and the railing shall not be less than 0.3m;
2 There shall be no less than 2 emergency exits directly leading to the outdoor ground, the clear width of the stairs shall be no less than 1.3m, and the height of the stair handrail (breast board) shall be no less than 1.1m.
Structural design shall be carried out for ice and snow landscape buildings and structures with a height of more than 10 meters in public buildings and ice and snow landscape buildings and structures that allow visitors to enter the interior or the upper part for viewing.
Public buildings In the ice and snow landscape building, when the vertical height of the masonry structure that can directly contact with tourists is more than 5m, it should be treated in blocks or steps. The vertical projection of the upper part of the masonry or overhanging part should not be less than 500mm from the contraction distance of the outer edge of the base of the ice and snow landscape building, and should meet the following requirements:
1. Take anti overturning and anti sliding measures;
2. The thickness of ice masonry shall not be less than 700mm, and it shall be laid in layers, and the joint bonding rate shall not be less than 80%;
3. The thickness of snow body shall not be less than 900mm, and it shall be compacted layer by layer according to the design density value.
Snowy Public buildings The design shall meet the following requirements:;
1 When the height of ice and snow climbing activities exceeds 5m, safety climbing protection measures shall be taken, climbing aids qualified in safety test shall be equipped or installed, and safety maintenance facilities, evacuation platforms and passages shall be set on the top.
2 The ice and snow slide shall be flat and smooth, and shall meet the following requirements:
1) The width of straight slide shall not be less than 500mm, and the width of curve slide shall not be less than 600mm; The height of the slideway guardrail shall not be less than 500mm, and the thickness shall not be less than 250mm;
2) The slideway at the turning shall be heightened and reinforced. The height of guardrail in curve part shall not be less than 700mm. Warning signs shall be set in the turning slope change area. A buffer lane is set at the end of the ramp. The length of the buffer channel shall be determined by calculation or field test, and the terminal shall be equipped with protective facilities;
3) Sliders shall be used for slideway activities, with a length of more than 30m. The average slope of the sliding body with sliders shall not be more than 10 °, and the average slope of the sliding body without sliders shall not be more than 10 °. The average slope of the slideway without sliders shall not be more than 25 °.