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Peoria Awards Bridge JOC to DBA for Second Term

06 May 2019/in , , /by

In November, 2013, DBA Construction was awarded its first Job Order Contract for Bridge Deck Repair and Rehabilitation with the City of Peoria.

Awarded for a single year with the possibility of four additional contract years awarded based on performance, DBA recently completed its fifth year with the contract.

In March, 2019, the City issued the RFQ for Bridge and Guardrail Repairs and Rehabilitation (2019) and DBA, due to their efforts, was again rewarded with yet another JOC with Peoria.

Innovation Results in Permanent Solution for SRP

15 Apr 2019/in , , /by

In August, 2018, the Phoenix area experienced some of the State’s worst monsoon winds in recorded history.  Many locations within the metropolitan area experienced serious damage caused by high winds and lightning strikes.  One such location, in the west valley near Tonopah, Salt River Project’s (SRP) 500 kV lattice power transmission poles (Hassayampa-Jojoba Line section) were twisted at their concrete foundations and bent over.  This created a situation where many local businesses and residents lost power.

Once the emergency response was executed and temporary power was restored, SRP could get on with the business of repairing the foundations and replacing the towers.

In February, 2019, DBA was contracted by SRP to construct the ultimate replacement of the foundations so that SRP personnel could replace the 500 kV towers “walking giants”.  This included very precise templates for drilling core holes in the newly poured foundations that would fit-up with SRP’s anchor bolt assemblies. 

Project management staff, structural superintendents and DBA mechanics reviewed the damage, drove to the site and took photos of the existing conditions and met with the SRP Principal Engineer, Jim Adams.  SRP’s original plans included a template for the fit-up that did not take into consideration the added grout to the core drill holes and rebar that would need to be in place as part of the remediation.  DBA developed a unique template that took all of the new conditions into consideration and created a mock-up in the DBA maintenance yard to demonstrate its use to SRP engineering management.

Once the solution was approved, the remediation project was able to proceed.  DBA’s scope of work included:  removal of the existing concrete foundations (8 each) down to 1’ below grade (removals varied from 1’-9” to 3’-0” depending on location); holes were drilled in each foundation to accommodate rebar dowels and the forming of a rebar cage to pour new concrete atop the existing foundation for structural strength.  Once the concrete was set, DBA subcontractors cored holes in the new foundation (using the new template layout).  DBA placed the anchor bolts (3.5” diameter 3 per foundation placed 15’-3” deep) into the holes and grouted around them, lining up precisely with SRP’s anchor bolt assemblies and preparing the new foundations for the steel towers. 

DBA crews had to coordinate our construction work with the SRP crews who were bringing in the new steel towers for fit-up in the field.

The project was a great success and DBA was praised for our innovative approach to the challenge.

“Everyone is very pleased with the work you guys did for us.  Grout is good, tower legs fit-up nicely, and finished ahead of schedule.  As always, very innovative on your part to a non-standard project.”

Jim Adams, Principal Engineer, Salt River Project

SRP SUBSTATION IN EAST VALLEY

04 Mar 2019/in , , /by

As part of a larger construction team, DBA is providing concrete foundation construction for a new 17-acre “greenfield” site that when complete will be the new Henshaw Substation in Chandler. Located on the southwest corner of Germann and Price Roads, DBA was contracted to provide excavation of the trench for the 11′-4″ high perimeter wall surrounding the entire site, as well as grounding conductors, placement of the rebar and concrete for the wall foundations (3,600 LF).

Louisiana Contract Turns Into 3 Projects

27 Dec 2018/in , , /by

Under our contract with Overland Contracting, Inc. (OCI), DBA was awarded its second contract in Louisiana for site development services of a new power substation for Entergy. The Robert Substation is located on the north shore of Lake Pontchartrain in Madisonville, Louisiana. The 8-acre site included:
+ Clearing and grubbing of a heavily wooded site
+ Rough and fine grading
+ Site drainage including the installation of 12″, 15″, and 18″ RCP with bedding
+ Installation of 24″ CHDPE piping with bedding
+ Placement of rip-rap (approximately 2,000 tons)
+ Development and compaction for equipment pads
+ Placement of 610 Base material
+ Importing 35,000 CY of base material
+ Installation of catch basins
+ Establishment of a retention basin for site drainage
+ Access roadway establishment
+ Installation of fencing, entrance gates, and bollards
+ Storm water pollution prevention measures
+ Hydroseeding
+ Installation of channelizers along Highway 190 to prevent left-hand turns out of the site onto the highway
+ Traffic control measures

Immediately following the kick-off meeting for the construction of the Robert Substation, OCI met with DBA management to add the expansion of a second substation at the Fairview site approximately 18 miles away. This included clearing, grubbing, site drainage, roadway access, and pad development for additional equipment on the 1-acre expansion.

While under construction of the two substations, DBA negotiated a third project with OCI to establish a complete 125′-wide right-of-way between the two substations for the 18-mile distance. This included extensive clearing and grubbing, fencing and gate installation, access roadway establishment, and hydroseeding.

All three projects were completed simultaneously in December, 2018.

Quartzsite Project Completed Ahead of Schedule

30 Nov 2018/in , , /by

The Town of Quartzsite, in far western Arizona, advertised an Invitation to Bid on a project requiring multiple street and drainage improvements throughout the Town. DBA was the apparent low bidder on the project and recently completed the project ahead of the original schedule. Construction sites were located in both residential areas and along major thoroughfares where extensive traffic control and coordination with adjacent businesses was required. Streets affected included: Johnson Avenue; Cowell Street; Mountain View Lane; and Cholla Road. Our scope of work included:
> Removals of existing pavement and concrete flatwork (curb, gutter, sidewalks, driveways, etc.)
> Roadway excavation
> Subgrade preparation
> Construction of new concrete curb, gutter, sidewalks and driveways
> Construction of new concrete scuppers, valley gutters and concrete-lined channels for drainage
> Rip-rap placement
> Construction of a concrete, low-water crossing
> Installation of gabions
> Placement of both AC and PCC paving
> Adjustment of manholes
> Installation of new signage, striping, and pavement markings

Specialty Work Completed at Yuma Proving Ground

12 Nov 2018/in , , /by

Hired as specialty subcontractor for the U.S. Army MATOC (Multiple Award Task Order Contract) task order, the project was to repair two existing brine evaporation ponds (approximately 5 acres total) at Yuma Proving Ground to help prepare the ponds for a new geotextile liner. Through our extensive work at Palo Verde Generating Station and other locations using geotextile liners, DBA was recommended for this important military project. Our scope of work included:
* Remove the existing liners and dispose at landfill
* Fine grade the slopes on the north and south ponds
* Dig anchor trenches around both ponds and backfill after the new liners were installed
* Repair an inflow diversion structure
* Temporary removal and reinstallation of barbed wire fencing around both sites
Through our value-added/innovation meetings, DBA was able to incorporate several ideas for budget savings that gave the project an additional $12,000 and saved 5 days on the original schedule.

DBA Provides Better Access for Tempe

02 Nov 2018/in , , , /by

The City of Tempe had built numerous, multi-use paths in various locations across the City. At 11 different locations, access to the multi-use path for use by the City street sweeper crews was hindered by the lack of continuous access from the neighboring street or alleyway. In some locations, the only access to the path was to drive over several hundred feet of dirt and rock. This surface was not optimal for the sweepers. Submitting a bid on a hard bid project, DBA was awarded the contract as the lowest responsible bidder. Our scope of work included:

Surveying
Subgrade preparation
Placement of aggregate base course (ABC)
Placement of AC paving
Construction of concrete sidewalks
Construction of concrete driveways
Demolition of existing terrain
Removal of existing signage, posts
Relocation of irrigation sleeving
Modification to landscaping
Striping and pavement markings

Scottsdale Gets Extension of Multi-Use Path

26 Oct 2018/in , , , /by

Working directly adjacent to Scottsdale’s City Hall Complex which includes City Hall, Capital Project Management, Engineering, Development Services, the Main Library and the Center for the Arts, DBA was contracted through our Job Order Contract to build out the multi-use path from the Indian Bend Wash (east of Miller Road) down Second Street to 75th Street where it connects to the downtown complex.

The job order included widening the existing sidewalk from 6′ wide to 12′ wide (creating the multi-use path) to accommodate bicycles, skateboards, Segways and pedestrians. The extension connects the park at Indian Bend Wash with the downtown buildings and the library.

Extensive communication was required to coordinate construction efforts with adjacent homeowners and businesses along the route and traffic control measures were also very important to maintain access and protect the driving public along busy Miller Road. DBA’s scope of work included:

> Demolition of existing pavement and concrete flatwork
> Subgrade preparation
> New A/C paving
> New concrete curb, gutter, driveways, and the multi-use path
> New ADA ramps
> Manhole adjustments
> New catch basins
> Trenching for new electrical conduit
> New masonry retaining wall at the library
> Storm drain connections
> Relocation of control cabinets and traffic signal boxes
> New signage and striping/markings
> New street lights/signal poles/mast arms
> Minor landscaping and placement of decomposed granite
> Replacement of the existing stairs with an ADA-compliant ramp from the street level to the garden level at the City’s park

Multiple areas required special attention and “field fit” minor design services were included to work around existing irrigation piping and traffic signal poles.

Are You Looking for a Job or a Career?

22 Aug 2018/in /by

DBA Construction, Inc. can offer excellent pay and benefits for people who have a great work ethic and an interest in learning. No Experience? No problem. We can teach you how to construct from the ground up. We need:
> Laborers
> Concrete Finishers
> Heavy Equipment Operators
> CDL Truck Drivers
> Project Engineers
> Project Administrators
> Estimators
> Superintendents

DBA offers highly competitive salaries, medical, dental, vision, life, short-term and long-term disability insurance; 401k program, profit sharing, bonuses and other fun stuff. Call our office at 602-442-6767 or drop by and fill out an application. If you can pass a 7-year background check and drug screening, we want to meet you. DBA is an Equal Opportunity Employer.

Bridge Deck Overlay and Sealing JOC Sets a New Standard

22 Aug 2018/in , , /by

DBA received a new Job Order Contract (JOC) from the Maricopa County Department of Transportation (MCDOT) in late 2017. Earlier this year, we were finally asked to provide services to the County to repair six bridges across the County. Each bridge was contracted as a separate job order and included Epoxy bridge deck sealing services and some minor concrete repairs, as well as restriping and raised pavement markings. Some of the bridge work was completed overnight with full closures approved by MCDOT and others required DBA to have at least one lane open in each direction at all times, requiring completion of those bridges in halves. The six bridges included:
> Eagle Eye Road at the Central Arizona Project (CAP)
> Patton Road at the CAP
> 163rd Avenue at the CAP
> Wickenburg Road at the CAP (also known as Aguila Road)
> El Granada at the Beardsley Canal
> Dysart Road at the Beardsley Canal

The client’s representative, Jimmy Camp – Bridge Engineer commented that “This work really turned out nice. DBA is doing a great job for MCDOT on this project! The overlay work was night work which we required a manufacturer’s representative on site. MCDOT got a better job than anticipated.”

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