CONTENTS 



INTRODUCTION... page 5 



DESIGN AND CONSTRUCTION OF STANCHIONS. . . 9 



VERTICAL ORIENTATION OF BASE PIPE. . . n 



JETTING-IN BASE PIPE SECTIONS. . . 13 



POSITIONING STANCHIONS IN THE ARRAY. . . 15 



ADDING TELESCOPING SECTIONS TO THE BASE 

 PIPE. . . 18 



DIVING PROCEDURES. . . 18 



DIVING TIME REQUIRED. ..19 



OTHER APPLICATIONS. . . 19 



ILLUSTRATIONS 



1 Model of the offshore circular array. . . page 8 



2 Stanchion assembly design details. . . 9, 10 



3 Tripod with leveling and holding device. . . 11 



4 Leveling device design details. . . 12 



5 Diver jetting-in a base pipe section. . . 14 



6 Laying out the array. . . 2 6 



7 Stanchions with anchored guy wires; other 



applications. . . 20-22 



8 Angular displacement of base pipe section subjected 



to horizontal stress. . . 23 



REVERSE SIDE BLANK 



