96” OD COFFER DAM CAN BE RETROFITTED TO ACCOMMODATE MANY APPLICATIONS. IT’S DESIGN ALLOWS US TO INSPECT OR REPAIR PIPELINE SIZES UP TO 48” WITH WATER/COVER UP TO 25’

1. PIPELINE INSPECTION
AND REPAIR
COFFER DAM

2. Our 96” OD coffer dam can be retrofitted
to accommodate many applications. It’s
design allows us to inspect or repair
pipeline sizes up to 48” with water/cover
up to 25’
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

3. COFFER DAM BEING LOWERED
ONTO PIPELINE
COFFER DAM IN OPEN POSITION
READY FOR INSTALLATION
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

4. ONCE LOWERED TO
DESIRED DEPTH, THE
COFFER DAM IS MOVED
INTO POSITION WITH THE
ASSISTANCE AND
CONTINUED
OBSERVATION OF A
DIVER. THE LOWER JAW
IS THEN DRAWN UP
UTILIZING THREADED
RODS.
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

5. ONCE DIVERS ENTER THE
COFFER DAM AND SECURE
THE INTERIOR BOLTS OF THE
LOWER JAW, STEEL PILES ARE
THEN STABBED THROUGH
THREE OF THE FOUR
SUPPORT LEGS OF THE
COFFER DAM
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

6. UTILIZING A VIBRATORY HAMMER, THE
PILES ARE DRIVEN TO THE DESIRED
DEPTH
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

7. THE PILES ARE THEN
WELDED TO THE
COFFER DAM
UTILIZING SPECIALLY
FITTED SHIMS TO
SECURE THE COFFER
DAM IN PLACE
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

8. UPON COMPLETION OF
THE INSTALLATION AND
WELDING OF ALL FOUR
SUPPORT PILES,
HANDRAILS, FALL
PROTECTION EQUIPMENT
AND VENTILATION
EQUIPMENT IS SETUP TO
PREPARE FOR PUMP OUT
AND ENTRY
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

9. ONCE PUMPED OUT,
THE CREW, WITH THE
ASSISTANCE OF THE
DIVE CREW WILL
INSPECT THE
INTEGRITY OF THE
COFFER DAMS SEALS
AND THE WOODEN
FLOOR IS INSTALLED
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

10. THE COFFER DAM IS NOW READY
FOR ENTRY WITH BUILT IN FALL
PROTECTION AND CONFINED
SPACE EMERGENCY RETRIEVAL
SYSTEM
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

11. THE BROUSSARD BROTHERS
COFFER DAM PROVIDES A
SAFE AND SECURE
ENVIRONMENT TO ALLOW
FOR PROPER INSPECTION AND
REPAIR ACTIVITIES
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

12. BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

13. BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM

14. REMOVAL OF THE COFFER DAM IS A
REVERSE PROCESS OF THE
INSTALLATION PROCEDURE
BROUSSARD BROTHERS, INC. | PO BOX 1740 | ABBEVILLE, LOUISIANA 70511 | 337.893.5303 | WWW.BROUSSARDBROTHERS.COM