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Hypochlorite Trench Rebuild Projects Earns AGC Award

29 Jun 2017/in , , /by

Palo Verde Nuclear Generating Station hired DBA to complete a rebuild of their Make-up / Blowdown Structures Hypochlorite Trench and pipeline.  DBA’s scope of work included the construction of a chemical by-pass system to hold the chemicals temporarily during construction of the new concrete vaults without disruption to the existing cooling system at the plant.  Demolition of the 30-year old concrete vaults carrying the hypochlorite system in pipes within the vaults was completed after the bypass was in place and tested for leaks.  DBA crews excavated, graded, and compacted two large trenches (333 LF and 167 LF), outfitting the trenches with pre-cast vaults and cast-in-place closure pours to seal the system.   The project recently received the 2016 Build Arizona Award from the Arizona Chapter of the Associated General Contractors for Excellence in Project Management, Meeting the Challenge of a Difficult Job, Contractor’s Innovation in Construction Technique or Materials, Sensitivity to the Environment, Client Service, Safety and Contractor’s Contribution to the Community.

The $1.3 million rebuild project also included:

  • Layout alignment of pipe bypass system
  • Installation of temporary fencing around immediate work site
  • Construction of by-pass lines
  • Installation and welding of pre-fabricated pipe supports
  • Support existing in-place utilities adjacent to the new trenches
  • Use sand as bedding for new trench bed
  • Remove and disassemble existing pipe for proper disposal
  • Reconstruct concrete sidewalks and approach slabs
  • Patch asphalt paving

Community Investment Project Provides Real Value

21 Jun 2017/in , , /by

Recently, DBA Construction, together with the City of Coolidge, the Coolidge Youth Coalition, and Cenpatico Integrated Care celebrated their community investment project with a ribbon-cutting ceremony near Coolidge High School.  Added to DBA’s scope of work for the reconstruction of Main Street and Vah Ki Inn Road, DBA was tasked with constructing new sidewalk, ADA ramps and driveway crossings in front of the City’s Pool.  The added scope was funded by a grant from Cenpatico Integrated Care which was requested by the Coolidge Youth Coalition.  The newly constructed concrete sidewalk and ramps replaced an area at the corner of Northern Avenue and 9th Street near the high school that was previously a dirt path.  The community’s Youth Coalition saw a need to address the issue for the safety of the City’s youth.  The ribbon-cutting ceremony was attended by DBA staff (Matt Woolwine, Briselda Guerrero, Kevin Trail, and Jeanne Sapon), members of the Youth Coalition, Cenpatico, the City’s Mayor, City Councilmembers, and the Fire Chief.

DBA Completes Roadway Upgrades for Salt River Project

12 Jun 2017/in , , /by

Following several important rock fall mitigation projects, drainage improvements, and paving the road from the dam to the man camp for SRP at Horse Mesa Dam, DBA recently completed the 4.2 miles of roadway from SRP’s main gate down to the dam through the canyon.  Through several discussions with Salt River Project engineering personnel and multiple cost models for the roadway construction, DBA suggested a soil cement solution to stabilize the roadway down to the dam.  The project will be completed this week.  Brush fires along SR-77 near Tortilla Flat curtailed construction for a short period of time earlier this month, but once cleared by the Forest Service, DBA crews returned to the job site and completed the job.  Total constructed value of this project was $1,362,230.00 which included grading, compacting and placement of the soil cement.

This portion of the work completed for SRP at Horse Mesa Dam is a small part of the project overall which included the building of a 60′ tall gabion wall with a 500 KJ fence at the top to stabilize a talus 1:1 slope; adding a 100 KJ fence to another area above the upper dam road; rock excavation for an addition to the Maintenance Building on site; drainage improvements, and AC paving the road to the man camp.

Peoria’s Iconic P-83 District Gets New Bridge

24 May 2017/in , , /by

P-83 is Peoria’s Entertainment District and a major focal point for the City. Transforming the corridor into a “Gateway” for the City along 83rd Avenue, DBA was contracted to complete construction of aesthetic treatments to the bridge over Skunk Creek at the south end of the project. Scope of work includes removal and replacement of bridge end treatments, barriers, guardrail, curb and gutter, and pedestrian railings to help identify the bridge with the rest of the aesthetic treatments along the corridor.  New sidewalks were also constructed, a new raised median with landscaping and lighted, blue glass-filled gabions to continue the iconic “look”.  The Skunk Creek Bridge portion of the P-83 Improvements was part of Phase II in a 3-phase enhancement project.

 

DBA is Hiring Experienced Construction Professionals

15 May 2017/in /by

In general, our workload has greatly increased over the past 6 months. We need immediate help in the following areas:
* Experienced construction laborers
* Concrete finishers
* Carpenters
* Experienced Heavy Equipment Operators for (excavators, loaders, backhoes, motor graders, scrapers and rollers)

We are also in need of a new Shop/Yard Assistant / Parts Runner. The right candidate for this position will be trained in other areas within the shop and to assist with equipment maintenance.

Send you resume to fax number (602) 442-0408 or email to: mrascon@dbaconstruction.net

“Green” Waste Landfill Expansion Project Completed

11 May 2017/in , , /by

Early in DBA’s history of constructing work in Phoenix, Vulcan Materials Company became an important client.  DBA crews have completed literally dozens of projects of all types and sizes at various Vulcan sites over the past 20 years and this year was no exception.

DBA crews recently completed a large earthwork project for Vulcan at their Avondale Pit site (Indian School Road & El Mirage Road) to establish a new Cell #5 at the landfill, part of a Land Reclamation Project.  The project’s scope included:

  • Mass excavation, removal and grading of 137,000 CY to create the new cell
  • 52,000 SY of grading for the bottom and slopes of the new cell
  • Excavation of 830 LF of anchor trench for liner burial
  • 608 LF of 6″ diameter leachate pipe
  • 260 LF of 6″ diameter side slope rise pipe
  • 260 LF of 18″ diameter side slope rise pipe
  • Construction of 3 concrete bollards
  • Installation of pipe stands

This project was on the heels of another project we completed for Vulcan at their Dysart Road and Southern Avenue pit where DBA completed earthwork and drainage improvements by removing silt, installing new rip-rap and stabilizing an existing slope at the materials pit.  A new roadway was also established along the top of the pit.

DBA’s Jim Anderson Receives AGC Honor

03 May 2017/in , /by

At their recent Arizona Chapter Associated General Contractors’ Award Dinner (held on Friday, April 28, 2017 at the J.W. Marriott Desert Ridge), DBA’s Corporate Safety Manager, Jim Anderson, was awarded the 2017 Safety Professional of the Year.  Jim has been in the heavy construction industry for more than 40 years and has been instrumental in helping DBA to lower their EMOD to the lowest rate to date (0.64).  Jim is active in all matters relative to safety both at DBA Construction and within the heavy construction industry as a whole, providing training to various professional organizations and to DBA subcontractors.  Congratulations, Jim, on a job well done!

Cassava Power Substation Complete

28 Apr 2017/in , , /by

American Electric Power Texas hired DBA as part of a larger Design-Build team consisting of Overland Contracting, Inc. and Black & Veatch to design and construct a power substation in Barnhart, Texas.

DBA’s scope of work included:
* Clearing & grubbing of 1.6 acres of private ranch land for the substation
* Clearing & grubbing of 3,500 LF of access road from U.S. Highway 67 to the substation
* Ripping and recompacting the subgrade which included the removal of very large rocks
* Importing suitable fill materials for the pad from 13 miles away
* Installing filter fabric for the roadway
* Installing gabion baskets at two low-water crossings along the access road
* Seeding

The roadway was constructed using a limestone base and because the site was sloped and extremely rocky, DBA crews had to level the site for the electrical substation equipment with 7-feet of fill on one corner.

Knowing the weather in Texas to be extremely unpredictable and having the potential to slow production and delay the project overall, DBA crews worked seven days a week with 10-hour days.

Coolidge Project Gets High Praise
21 Apr 2017/in , , /by

Just a few short weeks into the upgrades to Main Street, DBA receives high praise from City officials for outstanding quality work.

“DBA is doing an awesome job with these.
Terry Hoover, Project Inspector

“Terry took some pictures of the work that Kevin and Pedro have been doing and forwarded them to me and to our City Manager. The response has been very positive. I wanted to let you know that we as a City are very pleased with the workmanship and professionalism of your staff. Please pass along a ‘pat-on-the-back’ from us.”
Matt Rencher, PE, CFM
Interim Public Works Director/City Engineer

“Now that’s what a handicap ramp is supposed to look like. They are doing a tremendous job and your oversight on this project is very much appreciated.”
Rick Miller
City Manager

City of Coolidge Contracts with DBA for Second Project

17 Apr 2017/in , , /by

Late in 2016, the City of Coolidge hired DBA Construction to complete neighborhood paving and drainage improvements.  The project included investigation of multiple dry wells and the replacement of them with new dry wells; paving operations in eight cul-de-sacs throughout the City on various neighborhood streets; the installation of two new catch basins; installation of storm drain piping (250 LF); construction of three, sizable low-water crossings; and placement of rip-rap for drainage.  Streets completed during this operation included:

  • North and South Sonora Avenue
  • Walton Avenue
  • Hess Avenue
  • Bealey Avenue
  • Atlantic Avenue
  • Whitlow Avenue
  • Kachina Avenue; and along
  • 8th Place

Following successful completion of the first project, DBA was hired to complete new asphalt paving and construct upgraded ADA ramps along Main Street (0.6 miles) and Vahki Inn (0.3 miles).  The second project consisted of:

  • Mill existing pavement
  • Utilize 2″ of millings as base course
  • Add 3″ lift of new AC paving (total 27,454 SY)
  • Construct 34 new ADA ramps along both roadways
  • Place new striping.

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