1, the stainless steel guardrail on the roof shall be manufactured and installed according to the figure shown in the design change order. The balcony and computer room window sill handrails refer to the atlas 08BJ3-2, page 19, and the disabled ramp refers to the atlas 88J 12- 1 page 18, No.4. (Austenitic stainless steel 20 1 is used indoors and austenitic stainless steel 304 is used outdoors).

2. The embedded parts of railings and handrails are φ60×4 steel plates and anchored by φ 10 expansion bolts.

3. The finishing method of stainless steel railings and handrails is polishing.

4. The stair railing at the beginning of the first floor must be strengthened to ensure the lateral stability of the stair railing. For details, please refer to type B on page 08J7- 1 page 102.

5. During the construction and installation of stair railings, attention should be paid to accurate positioning, which shall be subject to the field measured data. The positioning of handrails at corners shall ensure that handrails can rotate smoothly.

6. The welding between metal pipes should be firm, the welds should be uniform and full, and all welds should be polished and smooth. The grinding and polishing of stainless steel pipeline welds must be gradually polished from coarse to fine, and finally polished.

7, column railing flange selection should be consistent with the stud material, flange with building glue. 8, railings and handrails components size should be accurate processing, installation is firm and reliable, the position meets the design requirements.