Six Putzmeister Telebelt TB 130 telescopic belt conveyors place concrete and gravel for the Panama Third Set of Locks' batching and crushing plant's foundation.
The Telebelt 130 offers a 126-foot, 6-inch horizontal reach with its five-section boom.
A total of 5,885,777 cubic yards of concrete is needed for the entire Third Set of Locks project.
One new lock facility will be located on the Pacific side of the Canal, to the Southwest of Miraflores Locks. The other new lock facility will be located to the east of Gatun Locks.
Putzmeister America, Inc. and its Special Applications Business group are providing their complete global systems approach, including their pumping and material placing equipment, to the historic Panama Canal Third Set of Locks project. The Third Set of Locks will create a new third lane of traffic along the Canal, doubling its capacity and allowing more traffic and longer, wider ships to pass through.
The Canal's History
It was first determined in the 1930s that the most effective and efficient way to increase the Canal's capacity was to construct a third set of locks with larger dimensions than those of the locks built in 1914. The United States initiated the construction of the Third Set of Locks in 1939 to allow the transit of commercial and war ships that exceeded the size of the existing locks. The expansion was halted in 1942 because of the outbreak of World War II.
Interest picked back up again and studies in recent years by the Panama Canal Authority, the owner/developer of the project, pointed to the same solution as was deemed in the 1930s, that a larger, third set of locks would be the most suitable, profitable and environmentally responsible way to increase Canal capacity and allow the Panamanian maritime route to continue to grow.
The Third Set of Locks
There are four objectives the ACP has put forth for this project, and they include: making long-term growing and sustainable contributions to the Panamanian society through the payments the Canal makes to the National Treasury; maintaining the Canal's competitiveness as well as the value of the Panama maritime route to the national economy; increasing the Canal's capacity in order to capture the growing demand with the appropriate level of service for each market segment; and increasing the Canal's productivity, safety and efficiency.
There are three main components of the project.
- Construction of two 1,400-foot long by 180-foot wide by 60-foot deep lock facilities. One will be in the Atlantic side and one will be in the Pacific side of the Canal. Each of the locks will have three chambers, and each chamber will have three water reutilization basins. The basins will allow the third set of locks to reutilize 60 percent of water in each transit and use seven percent less water per transit than each of the existing lock lanes.
- Construction of access channels for the new locks and widening existing channels.
- Deepening of existing navigation channels and the elevation of Gatun Lake's maximum operating level.
The design-build contract for the project was awarded to Consortium Grupo Unidos por el Canal, which is made up of four companies: Sacyr Vallehermoso S.A., Impregilo S.p.A., Jan De Nul n.v. and Constructora Urbana, S.A.
Construction started in late 2007 and the target date for completion is August 2014 - 100 years after the initial locks on the Canal were opened.
Bob Weiglein, Telebelt division manager for Putzmeister America, traveled to Milano, Italy, where he was introduced to Mr. Alberto Buffa of Impregilo S.p.A. by the president of Putzmeister Italy, Dr. Rober Abel, to discuss what material placing solutions Putzmeister's SAB unit could offer for the Third Set of Locks.
"SAB is a partnership between Putzmeister America, Inc., Allentown Shotcrete Technology, Inc., Esser Pipe Technology and Maxon Industries, Incorporated," says Weiglein. "This partnership offers a complete systems approach that offers all products to all projects around the world, to customers in tunneling and mining, dams and power generation, transportation, and marine and offshore industries."
In the meeting it was expressed that flexible, maneuverable and mobile material placing systems were key because of the job site's unstable terrain.
"Just as the original Canal faced land slides and flooding," explains Weiglein. "Todays work sites have areas of flooding and unstable banks as well as solid rock."
After the meeting in Italy, SAB and Agreconsa, Putzmeister's local dealer for 24/7 parts, service and support in Panama, worked together to determine what system solutions would be ideal for various components of the project.
"Agreconsa is a well-respected distributor in Panama and takes great pride in the sale and service of Putzmeister equipment," says Weiglein. "They are committed to Panama, it's economy, and work together with us to provide exactly what customers need."
There first was a need to place concrete and gravel for the project's batching and crushing plant's foundation. SAB and Agreconsa proposed using six Telebelt TB 130 telescopic belt conveyors for that portion of the project. GUPC accepted the proposal.
"The reason the Telebelts were the ideal equipment choice for this portion of the job was because they do not need to be permanently mounted to the ground or a super-structure," Weiglein comments. "In the event the equipment had to move due to changing terrain conditions the TB 130's quick setup and tear down provides that flexibility and mobility that GUPC expressed was a neccessity on the job site."
"Another benefit of the Telebelt is that multiple types of material can be placed with one piece of equipment, and in the same day," explains Peter Mamopulakos, owner of Agreconsa. "Since both concrete and gravel are being placed on the site this feature is an invaluable asset. The TBs are true multi-taskers."
The Telebelts arrived on site in August 2010.
Don Matthews, Putzmeister's field service technician for Telebelts, went out for the first two weeks the Telebelts were on site to help start up the equipment, train the local operators, and ensure the customer had everything they needed.
"We always send one of our field service technicians out on new start ups to ensure there is nothing in question for the customer and they feel comfortable operating their new piece of equipment," says Weiglein. "For this project, Don is on site once every quarter to check in with the customer."
"To-date we've placed about 26,160 cubic yards of concrete for this portion of the project, and the smooth, surge-free conveying of the material has helped to keep the project on schedule," notes Weiglein.
A Look Ahead
The Telebelts will also be instrumental in placing concrete for the water reutilization basins. This portion of the project begins this summer and the Telebelts will convey approximately 654,000 cubic yards of concrete.
In addition to the Telebelts, SAB and Agreconsa will be delivering a considerable amount of equipment, ranging from Thom-Katt trailer pumps to boom pumps for other portions of the project.
The Third Set of Locks By the Numbers*
|Type of Material||Pacific Side||Atlantic Side||Total Amount of Material|
|Excavation||15,695 yd3||23,543 yd3||39,238 yd3|
|Reinforced Concrete||2,289 yd3||2,197 yd3||4,486 yd3|
|Roller Compacted Concrete (RCC)||340 yd3||432 yd3||772 yd3|
|Reinforcing Bars||130 ton||130 ton||260 ton|
|Cement||540 ton||520 ton||1,060 ton|
|**Processed Material||10,202 yd3||7,325 yd3||17,527 yd3|
*Approximate quantities for civil work on the conceptual design of the Third Set of Locks. Numbers are from March 2007 from the Panama Canal Authority (ACP).
**Processed material includes fill and aggregate.