Section 8 Hat-type Construction

801. Construction and Scantlings

1. The thickness on one side of webs of centre girders, side girders and floors of hat-type con- struction are not to be less than 0.7 times the value specified in 201. 2, 302. 1 and 401. respectively.

2. The sectional areas of top plate laminates of centre girders and side girders of hat-type construction are not to be less than the products of the breadth and the thickness of face plate laminates speci- fied in 201. 3 and 302. 2 respectively.

3. The section modulus of floors and bottom longitudinals of hat-type construction are not to be less than the values specified in 402. and 503. respectively.

4. The scantlings of structural members of hat-type construction are to be in accordance with the re- quirements in Ch 1, 305. in addition to those in the preceding 1 to 3.