the foot height of the unmarked weld

[konfeta55]

Добрый день! Прошу помощи в переводе слова foot в данном контексте. Перевод чертежа к поворотной насадке на судне. 

Контекст: Technology conditions

1 .The thickness direction and the inner bore should allowance for machining

before the rudder carrier plate(N0.6) and the rudder stock sleeve is welding.

2.Grease the inner hole of bearing pedestal before installation the aligning roller bearing.

3.The opening direction of the lip seal is downward when it is installed.

4.The lower end face of the bearing seat shall be sprayed with anti-corrosion

paint before shipment.

5.The foot height of the unmarked weld is 8mm.

[Себастьян Перейра, торговец черным деревом]

Hi. Как говорится, English is poor (2oo10).

Вайлд гесс:

5. Катет шва

[konfeta55]

Огромное спасибо