NAVSEA Drawing 805-7370421

TABLE OF CONTENTS

SHEET NUMBER ITEM NUMBER TITLE SIZE OF HOLE IN SHELL INCLUDED ON SHEET
1 - COVER SHEET  
2 A ROUND FLAT COFFERDAM 6" DIA. TO 40" DIA./td>
3 B RECTANGULAR FLAT COFFERDAM - (SMALL) 36" X 28" TO 48" X 44"
4 C RECTANGULAR FLAT COFFERDAM - (LARGE) 54" X 22" TO 11' -0" X 44"
5 D ROUND HAT TYPE COFFERDAM - (SMALL) 8" DIA X 2" PROJ TO 40" DIA X 12" PROJ
6 E ROUND HAT TYPE COFFERDAM - (LARGE) 10" DIA X 5' -6" PROJECTION
7 F RECTANGULAR BOX TYPE COFFERDAM - (SMALL) 25" X 19" X 11" TO 55" X 42" X 11"
8 G RECTANGULAR BOX TYPE COFFERDAM - (LARGE) 70" X 47" X 11" TO 11" TO 11' -0" X 50" X 12"
9 H COFFERDAM ANCHOR DEVICE - (BRAKE SHOE TYPE) 6" DIA TO 40" DIA
10 J COFFERDAM ANCHOR DEVICE - (SUPPORT BRACE ASSY) FOR SEACHEST WITH PROTECTIVE RING
11 K J-BOLT AND ACCESSORIES  
12 L TYPICAL COFFERDAM INSTALLATION PROCEDURE  
13-14 M CVN CL STERN TUBE COFFERDAM VOID Replaced by NAVSEA Drawing 8173721
15 N BELLY BAND STANDOFF