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From site development to city and state construction projects, our experience and work ethic speaks for itself. Our expertise includes work in road building and rebuilding, utilities, excavation, and site development. Follow the links below to view information on past projects.
Title of Project: Meriwether
Location: Woodland, Washington
Contract Value:
Phase 1 $1.9 million
Phase 2 $3.2 million |
Phase 1
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| Tapani worked with the Olson Engineering on the first phase of Meriwether which involved the construction of 67 lots. The site is located in the flood plain of the Lewis river, and as part of the project, Tapani had to import in 150,000 cy of sand-all weather material. In addition Tapani also had to run a large 42 in storm main out to the river located 4300 ft away. Laying down the storm main also required boring under state route 503. Regardless of the ground water challenges and existing gas main that Tapani had to work around, phase 1 of the project was completed early and within budget. |
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Phase 2
After the success of phase 1, Tapani was awarded the contract for Phase 2 of Meriwether. Phase 2 involved the construction of a 63 lot subdivision on a neighboring piece of property, formerly a diary farm. The property is also located in the Lewis flood plain which required Tapani to take 200,000 cy of dirt from another portion of the property and transport it over a wetland. In order to accomplish this task and not damage the ecosystem, Tapani, built a temporary bridge. Tapani also enhanced the local wetlands with local tree plantings and excavation. |
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Title of Project: Summit
Location: Camas, Washington
Contract Value: $2.9 million |
| Summit is a large subdivision located in Camas, Washington (same city where the Fisher Creek Campus project is located). Tapani was contracted by a local developer, Terry Wollam, to construct this 49 lot subdivision. Located on Prune Hill, the site had some difficult terrain and a complex storm system to navigate. Due to the terrain, Tapani constructed a maze of boulder walls to get the most value for the lots. The project was completed on time and within budget. |
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Utilities: Tapani installed all aspects of the site utilities including the sanitary main, storm sewer onsite, and water main.
Excavation: The site consisted of borrowing 75,000 cy of material from the future phase.
Road Construction: Tapani completed all the road network rock, curbs sidewalks and asphalt in the subdivision. |
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Title of Project: SR 432 / SR 433 Turn Lane Improvements
Location: Longview, WA
Contract Value: $3,425,497 |
The critical industrial and port intersection area just north of the Lewis and Clark bridge at SR 432/ SR 433 was failing and needed to be replaced. The existing hot-mix asphalt pavement was severely rutted due to high truck traffic. The contract specified new concrete pavement with minimal closure time and a specific staging schedule for closing the Intersection. Tapani was able to pulverize asphalt, excavate, prepare sub-grade, trench electrical conduits, and rock each stage of the Intersection in less than 24 hours by working around the clock. The intersection concrete pavement was poured in record time, and the intersection was opened ahead of schedule.
As part of the contract, Tapani also widened 0.55 miles of Industrial Way to accommodate a new two-way left turn lane. To improve the north side of Industrial Way, Tapani performed clearing, excavation, rocking, drainage, and water line installations. Each business along the project also received improvements to their driveways, all of which had to be coordinated on a case-by-case basis to ensure full time access on the busy truck route. Tapani also worked closely with subcontractors who installed a new illumination system, traffic signal, sidewalks, curb, and a pavement overlay on Industrial Way. The project is scheduled to finish on time with final pavement markings scheduled for April 2009. |
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Utilities - Tapani installed all of the site utilities including storm sewer and water main.
Excavation - All of the imported material for the job was produced by Tower Rock products and hauled by Tapani Trucking Inc.
Erosion Control – The storm water pollution prevention plan for the project was monitored for compliance by Tapani Underground Inc. All reports and inspections were done by a Certified Erosion and Sediment Control Lead.
Recycle – Products including asphalt millings, old concrete, abandoned pipes were recycled for use on this project or others.
Cost-savings – Tapani worked with the City to find cost reducing credits to help speed up the project and lower the costs for both parties. |
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Title of Project: Port of Portland T-6 Intermodal Third Lead
Location: Portland, OR
Contract Value: $2,049,000 |
| Description: Tapani Underground Inc. performed site grading for the installation of 7,520 lineal feet of new track by our subcontractor. Included in the site grading was 26,000 cy of excavation, 468,000 sf of sub-grade preparation and fabric, placement of 27,000 tons of sub-ballast, and 10,000 tons of ballast. Tapani also constructed approximately 500 lineal feet of railroad sub-grade improvements on BNSF Railway and Union Pacific Railroad right-of-way. |
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Tapani constructed all drainage necessary for track construction. Also included in the contract were clearing and grubbing, erosion control, asphalt removal, fencing, electrical improvements and a T-Wall installation. The project was completed per the required timeliness.
Tapani forces installed 800 sf of T-Wall earth retaining system.
All erosion and sediment controls were monitored by Tapani and work was completed near environmentally sensitive areas adjacent to the Columbia River.
Tapani met all standards for the Port of Portland’s recycling policy for waste materials.
Communication with Port Tenants and railway officials was critical during the completion of this project. By coordinating schedules with these various entities, no services were interrupted or delayed during the construction of the project. Tapani employees completed all required railway training required and also met the Port of Portland’s requirements for use subcontractor Emerging Small Businesses on the Project. |
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