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“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.

Scottsdale Solid Waste Transfer Station Erosion Repairs

17 Apr 2017/in , , /by

Under DBA’s Job Order Contract with the City of Scottsdale for Citywide Civil / Site Work, we were contracted to complete erosion mitigation repairs at the City’s Transfer Station in North Scottsdale.  DBA’s scope of work included:

  • Mass excavation and grading on both the east and west side of the station
  • Placement of rip-rap
  • Placement of rock mulch along the slopes
  • Construction of concrete stairs leading up the slopes on both the east and west sides
  • Installation of handrails and safety railing at both sets of concrete stairs.

Peoria Honors DBA with New Job Order Contract

19 Jan 2017/in , , /by

DBA has been proud to serve the City of Peoria with two important Job Order Contracts (Miscellaneous Sidewalk and Concrete Construction and the Pavement and Miscellaneous Roadway Repairs) both awarded in 2011.  Through these two JOCs, DBA has completed more than 140 individual job orders ranging in size from $388.00 up to more than $350,000.  Both contracts were reviewed at the end of their fiscal years and renewed by the City in every instance.  Once the five year limit was reached, the City combined the two JOCs listed into one “Citywide Sitework/Civil Construction”.  DBA submitted a proposal in open competition and once again was awarded a contract.  The new scope of work includes:

  • Subgrade Preparation
  • Pavement Maintenance
  • Pavement Placement (AC and PCC)
  • Concrete Flatwork (curb, gutter, sidewalks, ADA ramps)
  • Drainage Features
  • Structural Concrete (culverts and headwalls)
  • Multi-Use Paths, Bikeways and Placement of DG
  • Wet & Dry Utility Relocations and Adjustments
  • Stamped, Painted, Decorative Asphalt/Concrete
  • Minor Landscaping and Irrigation
  • Hardscaping
  • Placement of Fencing
  • Guardrail, Handrail and Barriers
  • Placement of Electrical Equipment
  • Signing and Striping
  • Potholing and Utility Locating
  • Utility Coordination, Lighting and Signalization
  • Traffic Control Plans and Set-up
  • Maintaining Dust Control

Power Substation Sitework Revealed with Drone Use

21 Dec 2016/in , , /by

As part of the overall design-build team with Overland Contracting, DBA performed sitework for a new power substation near Orange, Texas.  The 3-acre site for Entergy was needed to add 230kV power to the east Texas grid.  DBA’s scope of work included:

  • Clearing and grubbing
  • Stripping 6″ of topsoil to eliminate deleterious materials
  • Importing approximately 13,000 CY of specified structural fill to build up the equipment pad
  • Fine grading and compacting import for equipment installation
  • Providing rip-rap for slopes on the equipment pads
  • Constructing two site access roads and extending Joe Lane which included clearing, grubbing, grading, installation of Mirafi 600X fabric, and road base
  • Installing 4 precast concrete catch basins with 15″ CHDPE pipe for site drainage
  • Trenching excavation and placement of 12″ reinforced concrete pipe under access roads for proper drainage
  • Establishing a 150′ x 200′ laydown yard for electrical equipment installations
  • Installing site fencing and gates
  • Seeding once the site is complete

Total constructed value of the sitework package for the Chisholm Road Substation was $866,670.00

Yuma International Airport – 40th Street Air Cargo Apron & Taxiway

22 Oct 2016/0 Comments/in /by

Yuma International Airport, Arizona  – The 40th Street Air Cargo Apron and Taxiway project included grading and drainage improvements and complete PCCP placement of 7,000 square yards and placement of 7,745 square yards of asphalt pavement for the parking apron and taxiway.

DBA’s scope of work also included 2,300 linear feet of security fencing, the installation of taxiway edge reflectors and conduit for airfield lighting which included the coordination with airport utilities for the underground relocation of an existing primary electrical service.

Springerville Municipal Airport – Rehabilitation of Runway 3-21 and Runway Safety Area

22 Oct 2016/0 Comments/in /by

Springerville Municipal Airport, Arizona – The Springerville Municipal Airport rehabilitation of Runway 3-21 and the Runway Safety Area included approximately 18,000 LF of asphalt pavement repairs, crack sealing, pave with FAA P-403 asphalt, and pavement markings.

This FAA funded project also included upgrading the Runway 21 end safety area to meet FAA design standards, which included grading, lighting and electrical upgrades, and new fence installation.  As the project was being constructed, the Town of Springerville added the construction of a new Taxiway to the contract which was comprised of 6,700 SF of grading and asphalt paving and associated storm drain improvements, seeding, and pavement marking work.

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