6.8　Installation of Platforms on the Coke Pusher Side and Coke Guide Side

6.8.1　Main members of steel column，beams，etc.shall be re-inspected，and main sizes shall meet the requirements of design documents and Code for Acceptance of Construction Quality of Steel Structure Work GB 50205.

6.8.2　The allowable deviation of the surface elevation of cast iron plate paved on the platforms on the coke pusher side and coke guide side shall be±5.0mm.

6.8.3　The gradient of cast iron plate between coke guide rails shall meet the requirements of design documents.

6.8.4　The installation of platforms on the coke pusher side and coke guide side shall be in compliance with the following requirements:

1　The elevation of column top is adjusted，and allowable deviation shall be

2　Distance of column center is adjusted，and allowable deviation shall be±5.0mm；

3　Perpendicularity of column is adjusted，and allowable deviation shall be 1/1000 of column height；

4　The elevations of platforms on the coke pusher side and coke guide side are adjusted and are detected on the upper surface of steel beam，allowable deviation on the coke side shall be±3.0mm，and allowable deviation on the pusher side shall be±5.0mm；

5　Space between the top of steel beam and buckstays is adjusted，and allowable deviation shall be

6　The elevations of brackets of platforms are adjusted，and allowable deviation shall be