Broussard Brothers, Inc. Coffer Dam

PIPELINE INSPECTIONAND REPAIR

COFFER DAM

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’

PIPELINE INSPECTION AND REPAIRCOFFER DAM

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

COFFER DAM BEING LOWERED ONTO PIPELINE

COFFER DAM IN OPEN POSITION READY FOR INSTALLATION



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.



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



UTILIZING A VIBRATORY HAMMER, THE PILES ARE DRIVEN TO THE DESIRED DEPTH



THE PILES ARE THEN WELDED TO THE COFFER DAM UTILIZING SPECIALLY FITTED SHIMS TO SECURE THE COFFER DAM IN PLACE



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



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



THE COFFER DAM IS NOW READY FOR ENTRY WITH BUILT IN FALL PROTECTION AND CONFINED SPACE EMERGENCY RETRIEVAL SYSTEM



THE BROUSSARD BROTHERS COFFER DAM PROVIDES A SAFE AND SECURE ENVIRONMENT TO ALLOW FOR PROPER INSPECTION AND REPAIR ACTIVITIES



REMOVAL OF THE COFFER DAM IS A REVERSE PROCESS OF THE INSTALLATION PROCEDURE



Broussard Brothers, Inc. Coffer Dam

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