C&W News (2012)

NOVEMBER 2012

CTB AND SALM BARGE CLEANING/ANODE PLACEMENT

Coronado Amphibious Naval Base, Coronado, Ca.

 

2012

 

SCOPE OF WORK

C&W Diving was contracted to perform cleaning and anode placement on CTB and SALM barges located at Coronado Amphibious Naval base

 

REQUIREMENTS

A C&W dive crew mobilized to Coronado naval station and began cleaning the CTB and SALM barges. The crew utilized a diver operated hydraulic scrubber to expedite the process and remove the hard growth.

 

Once both barges were cleaned and checked a diver was sent in to weld 20 anodes on the SALM barge.

 

PERIOD OF PERFORMANCE: 3 days

 

POINT OF CONTACT:

Defense Support Services, LLC

OCTOBER 2012

PLATFORM ELLY MARINE GROWTH REMOVAL & CP ANODE INSPECTION

 

SCOPE OF WORK

C&W performed marine growth removal operations on platform Ellen for Beta Offshore. The work performed is part of an ongoing structural maintenance program involving platforms Ellen and connected platform Elly. C&W provided all personnel, equipment, materials, safety staff and supervision necessary to complete the subsea maintenance and diving services. The project was successfully finished within the scheduled 2 week time table

 

LOCATION: Platform Ellen, CA

PERFORMANCE PERIOD: 2 weeks

 

POINT OF CONTACT:

Beta Offshore

Dan Clark

(562) 628-1526 x251

 

SEPTEMBER 2012 - OCTOBER 2012

SAN DIEGO AIRPORT MEDIUM INTENSITY APPROACH LIGHTING SYSTEM REPAIRS (MALSR)

Lindburgh Field Waterway, San Diego, Ca.

 

2012

 

SCOPE OF WORK

Project included installation of a new lighting tower system for San Diego Airport.
In the lagoon directly north of the runway where the existing light towers were located. New towers were to be installed approximately 5’ from location of existing towers.

 

REQUIREMENTS

Divers were tasked with locating and marking existing cables to avoid damage as new piles were installed.

Once new towers were in place a C & W diving crew conducted cutting operations utilizing a hydraulic underwater chainsaw to remove the existing piles.

Once piles were removed a diver set grounding rods at each station and ran ground cable to tower junction box.

 

PERIOD OF PERFORMANCE: 6 days

 

POINT OF CONTACT:

Diamond Lane Contractors

 

SEPTEMBER 2012

JF SHEA SURGE TOWER II / PHASE II (PILLOW PLUG INSTALLATION AND REMOVAL)

Orange County Sanitation District, Huntington Beach, Ca.

 

2012

 

SCOPE OF WORK

C&W was contracted to install a “pillow plug” into a 10’ diameter sewer outfall pipe in support of dewatering operations being conducted on the surge tower II outfall at the OCSD sanitation plant.

 

REQUIREMENTS

C&W divers were required to enter outfall pipe at the western most junction box and drill holes for concrete anchors. Anchors and plates were installed and plug was attached to plates. Divers carried out a 900’ penetration to lay 1000’+ of hose for specialized equipment. Once the plug was in place it was filled with air and the channel was dewatered. An emergency standby team was deployed while work was performed by JF Shea crews inside the outfall. Once the work was complete and the channel was flooded C&W divers were called back to de–rig the plug and remove it.

 

PERIOD OF PERFORMANCE: 4 days

 

POINT OF CONTACT:

J.F. Shea Construction, Inc.

P.O. Box 489, Walnut,Ca. 91788

 

AUGUST 2012 – DECEMBER 2012

SUGARLOAF DAM OUTLET WORKS STILLING BASIN CONCRETE REPAIR

Sugarloaf Dam Leadville, Co

 

 

2012

 

SCOPE OF WORK

C&W was contracted to dewater 2 spillways to expose damaged concrete.
Demolition of existing spillway and basin, form/replace concrete on 2:1 sloped
spillway and basin in both spillways totaling more than 1600sq. ft. of concrete removal and replacement.

 

REQUIREMENTS

Divers were required to dewater basins by placing stop logs then pump water out to expose concrete to be removed.  Demolition of concrete on a 2:1 slope using jack hammers in below freezing conditions was encountered the C&W crew had to utilize various methods to ensure concrete placement cured properly.Differing site conditions made it necessary for the flat demo to be completed using hydro blasting.

 

PERIOD OF PERFORMANCE: 4 Months

 

POINT OF CONTACT:

U.S. Buerau of Reclamation

 

JUNE 2012

BAE SAN FRANCISCO DRYDOCK # 2 UT TESTING

BAE Shipyard, San Francisco, Ca.

 

 

2012

 

SCOPE OF WORK

C&W Diving was contracted to perform UT reading on dry dock #2 at BAE shipyard San Francisco.

 

REQUIREMENTS

Crews performed UT readings on all surfaces of an 800’ x 200’ dry dock using Cygnus 1 testers including underwater portions and provided a full report to the client in order to determine structural integrity of hull plating.

 

PERIOD OF PERFORMANCE: 2 weeks

 

POINT OF CONTACT:

BAE Systems (San Francisco)

 

MARCH 2012 - APRIL 2013

W912BV-07-D-2020 CBP IMPERIAL BEACH SURF FENCE

 

SCOPE OF WORK

C&W Diving was contracted to perform diving services associated with the replacement of the existing Imperial Beach Surf Fence at the U.S./Mexico border. Work included: installation of cathodic protection system, HPDE/EPDM marine wrapping for sea/air corrosion protection, and exothermic cutting of steel piles.

 

REQUIREMENTS

Under strict timelines, C&W mobilized a surface-supplied diving system and performed work in the surf-zone at Imperial Beach, California. Weather forecasting and resource scheduling were the key components of success.

 

LOCATION: Imperial Beach, CA

PERFORMANCE PERIOD: 4 weeks

 

POINT OF CONTACT:

 James Clark

Granite Construction Company

(760) 775-7500

 

 

C&W NEWS