Oyster Cultch Plants

Mississippi Sound Cultch Plant (St. Bernard Parish)

Project dates: September 15 – October 13, 2011
Project location: South of Halfmoon Island Click here for map [3]
Project size: Approximately 300 acres
Material utilized: Size #57 crushed concrete (approx. 1.5 inches across widest diameter)
Amount of material planted: approximately 31,300 cubic yards
Contractor: Sun Coast Contracting Services, LLC (New Orleans, LA)
Project cost: approximately $1,480,000.00
Planting methods: High-pressure water spray utilized to spread a thin layer of cultch material on water bottoms
Equipment used: 34 195’ x 35’ barge-loads of crushed concrete , 3 tug boats, 1 spray barge

California Bay Cultch Plant (Plaquemines Parish)

Project dates: October 17 – November 3, 2011
Project location: West of Pelican Island Click here for map [4]
Project size: Approximately 300 acres
Material utilized: Size #57 crushed limestone rock (approx. 1.5 inches across widest diameter) and clean oyster shell
Amount of material planted: approximately 24,955 cubic yards (~29,300 tons) of limestone and 3,000 cubic yards of oyster shell
Contractor: RJT Environmental Solutions, LLC (Prairieville, LA)
Project cost: approximately $1,660,000.00
Planting methods: High-pressure water spray utilized to spread a thin layer of cultch material on water bottoms
Equipment used: 99 120’ x 30’ barge-loads of material, 4 tug boats, 1 spray barge

Black Bay Cultch Plant (Plaquemines Parish)

Project dates: May 16 - 31, 2009
Project location: East Lonesome Island Click here for map [5]
Project size: Approximately 200 acres
Material utilized: Size #57 crushed limestone rock and crushed concrete (approx. 1.5 inches across widest diameter)
Amount of material planted: approximately 22,500.00 cubic yards (~29,300 tons)
Contractor: Pontchartrain Materials Corporation (New Orleans, LA)
Project cost: $1,350,759.06
Planting methods: High-pressure water spray and clam bucket utilized to spread a thin layer of cultch material on water bottoms
Equipment used: 36 barge-loads of limestone, 4 tug boats, 1 spray/crane barge, 1 quarter barge (to house 10 contractor employees on-site)
Typical work day: Begin at 6:30 a.m. and unload ~ 4 barge-loads by 6:30 p.m.

Sister Lake (Caillou) Cultch Plant (Terrebonne Parish)

Project dates: May 3 - 12, 2009
Project location: Sister (Caillou) Lake Click here for map [6]
Project size: Approximately 170 acres
Material utilized: Size #57 crushed limestone rock and crushed concrete (approx. 1.5 inches across widest diameter)
Amount of material planted: approximately 22,597 cubic yards (~29,376 tons)
Contractor: Pontchartrain Materials Corporation (New Orleans, LA)
Project cost: $1,677,618.36
Planting methods: High-pressure water spray and clam bucket utilized to spread a thin layer of cultch material on water bottoms
Equipment used: barge-loads of cultch material, 4 tug boats, 1 spray/crane barge
Typical work day: Begin at 6:30 a.m. and unload ~ 3-6 barge-loads by 5:30 p.m.

Lake Chien Cultch Plant (Terrebonne Parish)

Project dates: May 4 - June 10, 2009
Project location: Lake Chien Click here for map [7]
Project size: approximately 22 acres
Material utilized: Size #57 limestone rock (approx. 1.5 inches across widest diameter)
Amount of material planted: approximately 11,348 cubic yards (~ 15,320 tons)
Contractor: Bertucci Contracting Co., LLC
Project cost: $828,413.49
Planting methods: Clam bucket utilized to spread a thin layer of cultch material on water bottoms
Equipment used: 13 barge-loads of limestone, 2 tug boats, 1 quarter barge (to house 6 contractor employees on-site)
Typical work day: Begin at 6:30 a.m. and unload ~ 2 barge-loads by 6:30 p.m.

Mississippi Sound Cultch Plant (St. Bernard Parish)

Project dates: May 4 - June 11, 2009
Project location: Three Mile Bay Click here for map [8]
Project size: approximately 45 acres
Material utilized: Size #57 limestone rock (approx. 1.5 inches across widest diameter)
Amount of material planted: approximately 22,300 cubic yards (29,150tons)
Contractor: Bertucci Contracting Co., LLC
Project cost: $1,372,224.29
Planting methods: Clam bucket utilized to spread a thin layer of cultch material on water bottoms
Equipment used: barge-loads of limestone, 2 tug boats, 1 quarter barge (to house 6 contractor employees on-site)

· Typical work day: Begin at 6:30 a.m. and unload ~ 2 barge-loads by 6:30 p.m.

Hackberry Bay Cultch Plant (Lafourche/Jefferson Parish)

Project dates: May 20 - 25, 2008
Project location: Hackberry Bay Click here for map [9]
Project size: Approximately 50 acres
Material utilized: Approximately 75% Size #57 limestone rock, approximately 15% crushed concrete, and approximately 10% clean oyster shells
Amount of material planted: 10,171.75 cubic yards (~ 13,223 tons)
Contractor: Pontchartrain Materials Corporation (New Orleans, LA)
Project cost: $558,429.00
Planting methods: High-pressure water spray and clam bucket utilized to spread a thin layer of cultch material on water bottoms
Equipment used: 11 barge-loads of cultch material, 3 tug boats, 1 spray/crane barge
Typical work day: Begin at 6:30 a.m. and unload ~ 3-4 barge-loads by 6:30 p.m.

Black Bay Cultch Plant (Plaquemines Parish)

Project dates: May 8-19, 2007
Project location: Northeast of Lonesome Island (sunken marsh island) Click here for map [10]
Project size: Approximately 200 acres
Material utilized: Size #57 limestone rock (approx. 1.5 inches across widest diameter)
Amount of material planted: 32,235 cubic yards (~ 41,905 tons)
Contractor: Pontchartrain Materials Corporation (New Orleans, LA)
Project cost: $1,725,830
Planting methods: High-pressure water spray and clam bucket utilized to spread a thin layer of cultch material on water bottoms
Equipment used: 36 barge-loads of limestone, 4 tug boats, 1 spray/crane barge, 1 quarter barge (to house 10 contractor employees on-site)
Typical work day: Begin at 6:30 a.m. and unload ~ 4 barge-loads by 6:30 p.m.

Mississippi Sound Cultch Plant (St. Bernard Parish)

Project dates: June 4 - June 13, 2007
Project location: Northwest of Turkey Bayou, northeast of 3-Mile Pass Click here for map [11]
Project size: Approximately 200 acres
Material utilized: Size #57 limestone rock (approx. 1.5 inches across widest diameter)
Amount of material planted: 30,000 cubic yards (~ 39,000 tons)
Contractor: Pontchartrain Materials Corporation (New Orleans, LA)
Project cost: $1,610,000
Planting methods: High-pressure water spray and clam bucket utilized to spread a
thin layer of cultch material on water bottoms
Equipment used: : 36 barge-loads of limestone, 4 tug boats, 1 spray/crane barge, 1 quarter barge (to house 10 contractor employees on-site)
Typical work day: Begin at 6:30 a.m. and unload ~ 4 barge-loads by 6:30 p.m.