All Doucet Projects

Doucet offers civil engineering design and consulting, entitlement procurement services and geospatial expertise for a full range of projects large and small, private and public.
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24 Water Line Relocation and Roadway Lane Additions

Austin, TX

Doucet provided comprehensive civil engineering design and construction documents; specifically, water utility plan & profile, horizontal dimensioning and roadway design, grading plan and erosion and sedimentation control plan to allow for the relocation of approximately 900 LF of a 24 City of Austin-owned water line and additional turning lanes to enhance access and increase overall safety of the Rock Harbor Drive & FM 620 intersection. The design of the relocated water line was per City of Austin specifications, and as such, close communication and coordination with the City of Austin's Water Utility Department was needed. Permitting through the City of Austin was also required.

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99 Restaurant & Pub

Chicopee, MA

The 99 Restaurant and Pub was built in a stand-alone configuration on a 1.1-acre outlet of a deteriorating mall property. Doucet was the civil engineer for the overall mall redevelopment. A PizzaHut restaurant was demolished, and Doucet worked with the restaurant and the general contractor on the construction of a new building. Work on the project began from the very beginning conceptual stages through final permitting, out-to-bid documents and construction support for the project. Activities included civil engineering site design, demolition plan, layout, grading, utilities, stormwater management plan development and construction documents. Permitting of the site work included Chicopee Planning Board Site Plan Approval, Chicopee Planning Board Special Permit, Chicopee Conservation Commission Request for Determination of Applicability, Massachusetts Executive Office of Environmental Affairs, City DPW Sewer Connection Permit, and NPDES Stormwater Coverage.

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Commercial

ACC Riverside Improvements

Austin, TX

We completed various improvements for the ACC Riverside campus. These services involved the renovation of the Construction Technology Department which included dumpster pad improvements, storage building driveway modifications, drainage improvements along the southwest and south sides of the building, sidewalk improvements, and drainage improvements around the proposed elevated lumber storage pavilion.We also completed electrical improvements to the outside of Buildings D and G that included electrical conduits (1-in diameter) constructed through the existing parking lot and a concrete pad (approximately 6'x3") installed at the south side of the parking lot in addition to ADA parking and accessible route improvements.In addition, our staff provided construction phase services, prepared construction documents, and processed the required site plan corrections to support them.

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Educational

AISD Bus Maintenance and Operations Facility

Austin, TX

The AISD Bus Terminal is located at 7222 Bluff Springs Road near the intersection of Bluff Springs Road and Tranquillo Trail and consists of approximately 22 acres. Proposed site improvements consisted of a 1-story 7,390 SF administration building, 1-story 12,965 SF maintenance building, 1-story 1,546 SF bus wash facility and 229 parking spaces, a fueling station including ancillary improvements such as drives, on-site utilities, and stormwater management facilities. We prepared a feasibility study to determine the suitability of the subject tract for the proposed improvements and identified governmental regulations and available infrastructure that would control and support the proposed use. In addition, we participated in the programming phase through construction phase of the project and prepared construction documents for all the civil/site improvements including grading, drainage, detention pond, water quality pond, water and wastewater improvements. We also developed the signalized intersection at Bluff Springs Road at Tranquillo Trail and the main drive.

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Educational

AISD Overton Elementary School Colony Loop Extension

Austin, TX

We were responsible for the design of a new elementary school (2 story with total 102,241 SF building, 105 parking spaces) and a new recreation center (1 story with total 18,644 SF building, 50 parking spaces) and associated improvements. The project also included extending the existing Colony Loop Drive and utilities by approximately 1,800 LF. The elementary school, recreation center and the roadway project was permitted as one Site Development Permit. Stormwater management facilities for the road extension were combined with drainage from the site improvements and handled for water quality and detention purposes. The Elementary School achieved the United States Green Building Council Balcones Chapter 2009 Green School Award as well as the Austin Energy Green Building Program 3 Star Rating. We prepared the necessary construction plans (site development plan and the roadway extension plan) for the grading, drainage, water quality basins, detention ponds, water and wastewater improvements for the elementary school, recreation center, and roadway extension. Engineering services included coordinating with the City of Austin Watershed Protection and Development Review Department (WPDRD) for the acquisition of a Site Development Permit as well as assisting the architects in bidding and performing construction administration of the project.

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Educational

American International College

Springfield, MA

We provided full-service professional civil engineering, survey, permitting and construction administration services to American International College (AIC) for their new Dining Commons Project. This multi-million dollar building expansion now provides a state of the art facility for the undergraduates on their historic campus. The project commenced with preliminary design investigation services to evaluate the feasibility of the project to include the preparation of a conceptual site plan for AIC's project team approval.We also coordinated meeting with City Officials and utility providers to discuss development issues and concerns. Site improvements included removal of underground storage tanks, new water, sewer and electrical services, re-routing the campus' fiber optic connections, design of subsurface stormwater management systems, loading area, sidewalks, outdoor seating area and landscaping. Construction-related services included coordination of survey layout, construction material submittal reviews, periotic site visits to observe the progress of construction.

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Educational

Arboretum Crossing

Austin, TX

The project consisted of comprehensive civil engineering, construction documents and construction administration for a 16-acre mixed-use development at the intersection of Highway 183 and MoPac in North Austin. Doucet's civil engineering design consisted grading, paving, drainage, water quality ponds, water, and sewer. As the prime consultant for the mixed-use development project, Doucet was involved through the entire life-cycle of the project, and provided planning, surveying, re-zoning, platting, coordination of joint-use utility services, and drainage facilities for the various users and construction administration. The overall development contains hotels, a restaurant, a retail center, Gateway Cinema Complex and two nine-story office buildings with a parking garage.

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Commercial

Arrowhead Ranch

Dripping Springs, TX

Arrowhead Ranch is a master-planned community for approximately 360 homes on 362 acres in Dripping Springs, Hays County, Texas. The property has a large amount of frontage along Onion Creek and beautiful views over the high bluffs overlooking Creek Road and Onion Creek. Arrowhead’s plan works to preserve the hill country charm and feel by developing a community with a majority of lots that will back to greenbelt or will be greater than ½ acre in size. Wide natural buffers will surround the property south and east side of the development and with natural hiking trails that traverse the development. This project will be a mixed development with three pad sites along the 290 frontage, totaling about 10 acres of commercial development. This project has also dedicated approximately 13 acres as parkland to the City. Doucet has been responsible for all infrastructure planning and design. We are utilizing swales and vegetative strips instead of traditional storm sewers that will have financial and aesthetic implications to the project.

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Commercial

Austin Energy New System Control Center

Austin, TX

We were responsible for renovating the former Tokyo Electron site into Austin Energy's new operation control center. Improvements included a 36,000 SF building expansion, a new 11,000 SF vehicle service building, new service drives, an additional 150 vehicle parking lot, and restoration to existing parking areas. We provided all site/civil engineering design, permitting, and construction administration services. In addition, we successfully coordinated with the City's development review staff in order to retrofit the existing site to meet the Subchapter E Commercial Design Standards and worked with the project team through programming options. We also completed construction documents for all site/civil improvements such as ADA accessible sidewalks, parking and service drives, site grading, storm drains, water, wastewater, and the retrofit and expansion of an existing sand filter pond into a biofiltration water quality pond. The project included several pavement designs, restoration, and construction strategies to provide value and function to Austin Energy. We designed and implemented new concrete pavement for Austin Energy service vehicle areas, medium and light duty asphaltic pavement design sections for drive and new parking areas, mill and overly restoration on major existing parking and drives. To finish it off, we restriped all pavement that was in good condition for preventative maintenance and to give it a polished look.

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Municipal

Austin Independent School District (AISD)

Austin, TX

Doucet provided civil engineering and consulting services for multiple repair and improvement projects at 15 existing campuses for AISD, including more than 30 individual projects under 4 separate contracts. The projects included drainage and grading improvements, sidewalk additions and improvements, accessibility compliance, pavement repairs and restoration, tennis court resurfacing and recreation improvements. Doucet was responsible for visiting the school sites to identify limits and extent of the repair and improvement items, preparing bid documents including construction plans and specs for the improvements, assisting in the bidding process and providing construction phase services. Some of the campuses include but are not limited to: Anderson High School Barton Hills Elementary School Becker Elementary School Bedicheck Middle School Boone Elementary School Bowie High School Cook Elementary School Hart Elementary School Kocurek Elementary School Langford Elementary School LBJ High School Martin Junior High School O.Henry Middle School Ortega Elementary School Overton Elementary School Pease Elementary School Summit Elementary School Webb Middle School Winn Elementary School Wooten Elementary School

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Educational

AutoZone

Various Locations

We have provided civil engineering, design and permitting services for various AutoZone retail stores in Massachusetts. In addition, we've continued to represent them through local Planning Board and Conservation Commission processes. We assisted the client in obtaining building permits for the following stores: Springfield, MA - 5,400 square foot store located along State Street. Rockland, MA - 6,100 square foot store located along Market Street. Our extensive expertise in providing national retail clients with a full range of services from the initial concept stage through exhibit preparation for lease agreements, permitting, out-to-bid assistance, contractor negotiations, inspections and signoff ensures an unmatched level of service.

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Commercial

Baystate Franklin Medical Center

Greenfield, MA

We worked closely with Baystate Health (Western Massachusetts' largest health care provider) to provide full service Professional Civil Engineering, Master Planning, Permitting and Construction Administration services at their various campus locations. The Surgery Modernization Project was a $23 Million investment to upgrade existing facilities that are nearly 40 years old.The project included construction of a 55,000 square foot addition and was essential for Baystate Franklin to continue to fulfill its role as the sole acute care provider for Franklin County and the surrounding areas. It replaced aging operating rooms, recovery bays, endoscopy rooms, bronchoscopy space, and surgical support services.Site improvements included modifications to the parking lot, utility improvements, stormwater management, site traffic and signage, pedestrian access, handicapped accessibility, permitting, construction documents, out to bid assistance and construction administration. Construction commenced in September, 2014. We are proud to support Baystate Health and their commitment to the advancement of the patient experience with this investment in their Franklin Campus.

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Healthcare

Baystate Health

Western, MA

Doucet works closely with Baystate Health (Western Massachusetts' largest health care provider) to provide full service Professional Civil Engineering, Master Planning, Permitting and Construction Administration services at their various campus locations. We recently provided Construction Administration services for Baystate Medical Center Site Improvements at the Daly Parking Lot, Daly Garage and Daly Building Lobby Entrance. Site improvements include modifications to the layout of the Daly Garage, Parking Lot and Main Entrance, utility improvements, storm water management, site traffic and signage, pedestrian access, handicapped accessibility, permitting, construction documents, out to bid assistance and construction administration. Doucet is proud to support Baystate Health and their Commitment to the Advancement of the Patient Experience with this investment in their Main Campus.

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Healthcare

Baystate Medical Center Combined Heat and Power Plant

Springfield, MA

We provided full-service professional civil engineering, permitting and construction administration services to Baystate Health for their Combined Heat and Power (CHP) Plant. This project, once completed, will allow Baystate Medical Center to operate for thirty (30) days uninterrupted during a utility crisis, up from only 90 hours previously. We coordinated meetings with City Officials, SWSC, Eversource and other utility providers to discuss development issues and concerns. Phasing 1 of the project included the relocation of an existing historical house to another Baystate-owned lot on Pratt Street, coordinated in part by us. Other site improvements included relocation of existing campus electrical conduit banks, sewer and electrical services, design of subsurface storm water management systems, loading area, sidewalks, and parking lot improvements. This project is directly related to the City of Springfield's participation in HUD's National Disaster Resilience Competition. In the year-long 2-phase competition Springfield was up against 67 eligible applicants and was selected as one of thirteen (13) winners. This resulted in the City being awarded $17,056,880 in CDBG-NDR funding.

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Industrial

Baystate Medical Center Parking Transition Project

Springfield, MA

We worked closely with Baystate Health (Western Massachusetts' largest health care provider) to provide full service Professional Civil Engineering, Master Planning, Permitting and Construction Administration services at their various campus locations. This Parking Transition and Traffic Mitigation Project included a complete reimagining of existing traffic flow in front of the Daly Building Lobby Entrance, Baystate Medical Center's gateway to their $300 million Hospital of the Future addition. Patient and visitor parking was transitioned from the Daly Garage to the Daly Parking Lot, while staff parking was transitioned to the garage. The main drive aisle was converted to a landscaped pedestrian feature, requiring expert way finding assistance for visitors throughout construction. Traffic mitigation was required at all times as the hospital never closes. Site improvements included modifications to the layout of the Daly Garage, Parking Lot and Main Entrance, utility improvements, storm water management, site traffic and signage, pedestrian access, handicapped accessibility, permitting, construction documents, out to bid assistance and construction administration. We are proud to support Baystate Health and their commitment to the advancement of the patient experience with this investment in their main campus.

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Healthcare

Brickston Municipal Utility District Wastewater Treatment Plant

The TCEQ Discharge Permit Application for public viewing can be found here: Brickston - Final Permit Application Brickston - NORI Amended Notice Brickston - Notice of Application and Preliminary Decision

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Municipal

Building Additions for Austin ISD

Austin, TX

Austin Independent School District needed to construct additional science classrooms to the existing Austin High School. The school site is along Lady Bird Lake. We provided floodplain analysis verification, fire flow modeling of the existing system with identification and design of waterline improvements (which was created inclusive of a secondary dry hydrant from Lady Bird Lake), and a wastewater line design including site grading and drainage.In addition, we permitted the site development plans through the City of Austin and provided construction administration services.

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Educational

Bulverde Retail Park

Bulverde, TX

Doucet was responsible for initial contract negotiations, client relationship management and design oversight on a multi-building retail development containing a Walgreen's store and a Starbuck's Coffee shop located on 5.147 acres in Bulverde, TX. Since the project site is over the Edward's Aquifer Recharge Zone, close coordination with TCEQ, GBRA, the City of Bulverde and TxDOT were key to the success of this project.

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Commercial

CVS Pharmacy

Chicopee, MA

Doucet provided planning, design, permitting, and construction administration services for a new 13,225 square foot CVS Pharmacy with associated off-street parking, site utility connections, and landscaping. The project commenced with the preparation of Conceptual Site Plans based on a boundary and topographic survey, as well as a thorough review of the City of Chicopee Zoning Bylaws. Following the client’s approval of a preferred conceptual design, we proceeded with the preparation of full design and engineering plans. Required permits/approvals for the project included Site Plan Review and Design Review through the Chicopee Planning Board, local stormwater and wastewater discharge permits through the Chicopee Department of Public Works, as well as MassDOT permitting to access a State Highway for curb cuts and drainage connections. We also prepared and submitted the required Notice of Intent for Storm Water Discharge associated with Construction Activity under a NPDES General Permit.

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Educational

Calabria Office & Retail Development

Bee Cave, TX

Engineer for the Calabria Office and Retail Development, which is part of the 26-acre Uplands Village development that provides over 30,000 SF of retail and office space. The site preserved large oaks and incorporates limestone rock walls and tree wells to blend into the landscape and courtyard area. This site is located in the Contributing Zone of the Edwards Aquifer, an environmentally sensitive area that is strictly regulated by both the State of Texas and the ordinances of the Village of Bee Cave. For this reason, the design included a low impact site with only a 58.6% impervious cover. A reirrigation system was designed to provide a high water quality treatment.

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Commercial

Campus Additions for Round Rock ISD

Round Rock, TX

We were responsible for designing this campus located on Austin Community College's (ACC) Round Rock location. We developed 10 new portable classroom buildings, along with large walkways for pedestrians, utilities, bus drop-off, accessible routes, and connectivity with surrounding areas.The site/civil plans included designing a pedestrian traffic control plan to safely accommodate ACC students while construction was taking place. This campus is considered a temporary early college facility until a more permanent facility can be planned, budgeted, and constructed. The project was on an extremely tight timeframe as the planning, design, permitting, and construction duration was completed in less than six months.

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Educational

Capital Metro North Operations and Maintenance Facility

Austin, TX

The Capital Metro North Operations and Maintenance Facility is a 110,000 square foot bus and van transit operations center. The site is located on an 18-acre site just north of Hwy. 183 and east of Burnet Road (F.M. 1325). This fast-paced project required programming, design, permitting and construction to be completed in less than 20 months. Several major elements of the project included demolition of existing industrial facilities, solving the public water system's limitations in the area, permitting the site without on-site water quality and detention facilities, re-routing drainage conveyance, and off-site roadway improvements. We were the on-site civil engineer for the project and designed the grading, drainage, parking and drive, and the water and wastewater facilities. During the programming phase, we investigated the potential of using existing off-site water quality and storm water detention facilities. Because we were successful in documenting that the detention and water quality ponds already met City of Austin requirements, we did not have to build any new water quality and storm water detention facilities. This ended up being critical to facilitate the development needs of Capital Metro on the limited site. We also led a detailed study of the City's water distribution system to solve poor fire flow capabilities in the area. Upon systematically breaking down the water distribution system for analysis, we were successful in finding a broken valve on the major transmission main feeding this pressure zone. With the replacement of the broken valve, on-site fire pumps were not required and existing fire pumps and tank storage (supporting existing buildings) could be removed, providing additional use of the area and a tremendous saving on the construction cost. We designed all on-site water, wastewater, storm drainage, and parking and drive facilities and permitted the site through the City of Austin within the Capital Metro Transportation Authority (CMTA) required time frame.

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Municipal

Chili's Restaurants

Texas, California, Nevada, Oklahoma & Rhode Island

Since 2002, Brinker International has turned to Doucet to provide civil engineering and related professional services on over 80 Chili's Bar & Grill sites across Texas, California, Nevada, Oklahoma & Rhode Island. Doucet's Brinker Team has provided solid expertise in site selection, due diligence research, surveying, platting, zoning, public hearings representation, conceptual planning and layout,site utility design, paving design, detention pond and drainage design, site development permitting, construction administration, coordination with sub consultants, ADA compliance, project completion and final acceptance procedures.

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Commercial

City of Austin, Transit Oriented District (TOD) Planning

Austin, TX

We identified the existing utilities to determine whether the existing utility infrastructure had the capacity to serve the future TOD development in the three study areas. The utility information included water, wastewater, storm drain, electric and gas. We coordinated with utility entities and collected utility information from each entity. Afterwards, we delineated the utility information on the City of Austin GIS base map. Upon receiving future land use concepts for each of the three station areas, we coordinated with the City of Austin staff to determine the potential utility requirements for these areas. We then identified potential future utility improvements to meet the TOD development requirements. At the end of this project, we prepared an engineering report and exhibits (which was incorporated into the overall master plan) that documented the results of our findings.

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Municipal

Clarke School for the Deaf

Northampton, MA

We provided master planning, civil engineering, design, permitting, and construction administration services to the OPAL Real Estate Group for the Mixed-Reuse and rehabilitation of the former Clarke School for the Deaf Campus in Northampton. The project serves mixed office, educational, and residential uses. We began by preparing a detailed Zoning and Permitting Analysis to determine possible options for the reuse and rehabilitation of the historic campus. Following the completion of this analysis, we worked closely with the Client to provide master planning and site design services in an effort to determine a preferred approach to building reuse, parking and drive aisles, stormwater management, traffic concerns, and historic preservation. We then proceeded with the preparation of full design and engineering plans. Required permits/approvals for the project included Major Site Plan Approval/Special Permit through the Northampton Planning Board. Subdivision Approval Not Required (ANR) plans were also required by the Northampton Planning Board. We assisted OPAL through the Out-to-Bid process, assisted with contractor selection and is currently providing Construction Administration services for this project which is currently in progress. Extensive coordination with the Clarke School for the Deaf (who has retained a very small portion of the campus), the City of Northampton, and the Round Hill Neighborhood was required throughout the project to ensure the preservation of historic structures at the campus.

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Educational

Combined 911 Center

Austin, TX

We participated in the programming phase and schematic phase for this new Combined Emergency Communications & Transportation Management Center in Austin, TX. This regional 911 Center houses sophisticated electronic equipment and highly trained emergency communications personnel for the various City of Austin departments and Travis County agencies. The project site is approximately 13 acres consisting of a 72,500 square foot building, a parking lot that can hold 230 cars, and all drainage, water and wastewater improvements. Services included site selection, utility analysis, grading, drainage, detention pond, and water & wastewater improvements. Our role in the project's construction included obtaining the construction permit, performing construction phase services, and preparing construction documents for all the civil and site improvements. Our work required extensive coordination with various governmental agencies' staff. This project achieved the Silver Rating in the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) Program.

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Municipal

Complete Automotive Repair

Easthampton, MA

Doucet consulted services including conceptual design, planning, civil engineering, permitting, and construction administration for the construction of an automotive repair and office building. Projectpermitting included the City of Easthampton Planning Board, City of Easthampton Conservation Commission, and Massachusetts Department of Environmental Protection. For this project, Doucet developed a stormwater management report and design in accordance with the MADEP Stormwater Management Standards and Guidelines. The best management practices implemented balanced the pre-development vs. post development peak runoff rates and provided groundwater recharge. Doucet staff worked closely with the Conservation Commission and performed on-site deep hole test pits in the areas of the proposed extended detention basin and subsurface recharge area. Doucet also provided construction administration and oversight services through project completion.

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Public Infrastructure

Complete Streets and Downtown Livability Plan

South Deerfield, MA

We provided Civil Engineering and Planning Services to the Town of Deerfield for a Complete Streets and Downtown Livability Plan. The project was focused on the South Deerfield village center, and commenced with a kick-off meeting among the core team and Town Staff to determine a final work plan and schedule. This was followed by a Complete Streets Design Charrette which included site visits, developing graphic materials, transportation analysis, and sustainability design. The charrette was an intensive, multi-day planning process with various stakeholders to collect design and policy ideas. It involved break-out sessions, continuous design development, an open house, collaborative workshops, and public forums allowing stakeholders to participate in the evolution of an implementation plan without the need to attend the entire process. In addition, we prepared conceptual design plans and a cost estimate. The final product was a planning document that includes the final Complete Streets Conceptual Plan, Complete Streets Guidelines, a Livability Plan, and an immediate action plan with an implementable low-cost design alternative with sufficient engineering detail for the Town to implement it within one year.

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Country Club Centre Retail Building

Sacramento, CA

The project consisted of the construction of a 7,200 SF retail building and associated parking at the Country Club Centre in the City of Sacramento. The site was an existing parking lot and was modified to create parking and circulation for the new building. The design made use of existing infrastructure and minimized demolition. Doucet provided topographic mapping and produced the construction documents that included a demolition plan, horizontal control and paving plans, grading and drainage plans, sewer and water plans, SWPPP and erosion control, and specifications. Doucet submitted the plans to Sacramento County LDSIR and Sacramento Metropolitan Fire Department to aid in obtaining approval and assisted with the construction administration of the project

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Commercial

Creekside Plaza

Roseville, CA

This 7.28-acre development offers 28,000 SF of retail space on one of the busiest intersections in Roseville. The overall site characteristics were challenging, notably a 16 foot grade differential across the site. Doucet prepared construction plans and coordinated the different engineering sub consultant disciplines for the retail development project. Our scope of services also included public infrastructure improvements, specifically the widening of a peripheral roadway and the modification of an existing signalized intersection. Due to the number of easements present on the site, intense coordination with various utility providers was required on the project to ensure our construction documents would meet specific design requirements.

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Commercial

Culvert Project, Fairway Village

Northampton, MA

Doucet consulted survey, geotechnical and environmental services to develop a base plan. Doucet's civil engineering services included drainage model, culvert design, headwall design, roadway design, project phasing, utility coordination and improvements. Permitting services for this project included a request for an emergency repair certificate from the City of Northampton Conservation Commission. Doucet provided construction administration to oversee culvert installation.

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Public Infrastructure

Dam Engineering: City of Austin Stormwater Pond Safety Program

Austin, TX

The City of Austin owns and maintains at least 63 high hazard dam structures across the City. State and City dam safety criteria require these high hazard dams to be able to safely pass the Probable Maximum Flood (PMF) without failing. Our project team performed preliminary design assessments of the 63 dams to determine whether or not the dams were capable of safely passing the PMF, and if not, to perform preliminary designs of mitigation efforts to allow the dams to safely pass the PMF. We provided the following services: Assisted in developing the hydrologic models for the 63 dams as part of the preliminary design services Calculated times of concentration for contributing runoff and developed HEC HMS models. Delineated drainage boundaries for each of the 63 structures based on available information and site visits Performed “peer review” of the proposed FNI methodologies for preliminary risk assessment from a theoretical breach and the overall structure ranking Provided input to the methodologies including technical publications on calculating breach width and breach side slopes, flowchart diagram to depict various evaluation steps, and a “sensitivity analysis” for dam breach velocity related to attenuation length Prepared memorandums summarizing the results of the peer review Under final design services, assisted the project team with developing hydrologic and hydraulic models for Pond Dams 26, 220, 267, 337, 581, and 726

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Water Resources

Dam Engineering: SC Robertson Dam and DeCordova Dam

Thornton, TX and Granbury, TX

SC Robertson Dam (Lake Limestone) and DeCordova Bend Dam (Lake Granbury) Breach Analyses and Inundation Mappings The Brazos River Authority (BRA) owns, operates and maintains a series of dams along the Brazos River. The dams have high-hazard classifications because of the consequences of dam failures, and because their sizes and hazard ratings are subject to State Dam Safety criteria. One of the dam safety criteria is that high-hazard dams must have written Emergency Action Plans with detailed supplemental breach inundation mappings. The BRA hired a preeminent hydrologic & hydraulic engineering firm to prepare the complicated breach analyses (using HEC-RAS hydraulic modeling) and detailed breach flood inundation mappings for S.C. Robertson Dam (Lake Limestone) and DeCordova Bend Dam (Lake Granbury) for “sunny-day” breach failure conditions and for Probable Maximum Flood (PMF) design flood conditions. S.C. Robertson Dam has a 8,130 foot-long embankment section with a maximum fill height of 60 feet, a concrete gravity spillway with 5 radial gates and a stilling basin. DeCordova Bend Dam has a 1,400 foot-long compacted fill embankment section with a maximum fill height of 63 feet, a concrete Ambursen-type spillway with 16 radial gates and a stilling basin. Breach analyses and breach flood inundation mappings were performed using HEC-RAS hydraulic program. Our firm calculated the breach parameters for both dams, the embankment sections, the gated spillway sections, the “sunny-day,” and for PMF design flood hydraulic conditions. We performed data research of the configurations of the two dams, including reviews of the construction as-built drawings and performed site visits to confirm field conditions and to confirm the locations and types of reasonable breach scenarios.

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Water Resources

Dam Engineering: Scenic Brook Flood Control Project

Austin, TX

Scenic Brook Flood Control Project, Hydrologic Modeling & Dam Hazard Analysis The Scenic Brook neighborhood is located on the Scenic Brook Tributary to Williamson Creek in the City of Austin. The neighborhood has been plagued by frequent local flooding. The City hired a team to develop mitigation measures. As part of the solution, the team identified a stormwater detention pond up gradient from South Brook Drive to reduce peak flowrates entering the neighborhood. We provided the following: Developed the SCS TR-20 model for the existing and future condition for the 2-, 5-, 10-, 25-, and 100-year storms Coordinated with TCEQ staff on dam safety requirements. Coordinated with staff in adjusting detention pond outlet structures to meet flood control objectives and TCEQ requirements. The detention pond consisted of a concrete retaining wall embankment, and is approximately 16’ high with a flood storage volume of about 22 acre-feet. Developed dam safety analysis using the Probable Maximum Flood (PMF) storm event Prepared engineering report documenting the project approach and conclusions.

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Water Resources

Deep Eddy Distillery

Dripping Springs, TX

Deep Eddy Vodka Distillery is a 20,000 SF project located on 4 acres in Dripping Springs. The project included the development of a distillery with a 5000 SF tasting room. The entire site expands to 30,000 SF for outside seating and events.

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Industrial

Dripping Springs ISD Tennis Complex

Dripping Springs, TX

Doucet provided the conceptual plan and engineering design for a nine-court tennis complex. Work included preparing construction documents and construction administration.

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Educational

Dripping Springs Ranch Park Event Center

Dripping Springs, TX

Dripping Springs Ranch Park Event Center is located in a 95-acre City-owned park. The proposed project consists of an approximate 150,000 SF arena with associated parking, utility improvements and water quality pond. Primitive camping, hiking trails and a horse trail are included in the park amenities. The site is located in the environmentally-sensitive Little Barton Creek Watershed and is entirely in the Edwards Aquifer contributing zone. Portions of the site are within the FEMA 100-year floodplain. The earthwork will require cuts and fills of less than 6 feet. Most of the existing trees on the site are proposed to be saved. Retaining walls with the maximum height of 5 feet are proposed at two sides of the parking area to save the trees. On site excavated boulders are proposed to be used for the construction of the retaining walls. Water service to the proposed event center will be provided by the Dripping Springs Water Supply Corporation. The site plan also includes extension of water service to RV sites. Wastewater service will be extended to the site from the City's existing service main. A 2,500-gallon tank dump station is proposed for the RV vehicles and trailers. Waste from the dump station will conveyed to the event center's discharge line.

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Municipal

Ernest Robles Way

Sunset Valley, TX

Doucet worked with the City of Sunset Valley to provide conceptual plans and design for the construction of an extended portion of Ernest Robles Way (ERW) between U.S. 290 and Jones Road. The project included excavation of substandard subgrade and base materials and reconstruction of curbs and gutters and repaving, plus installation of decorative medians for separating traffic, and creating unobstructed turning lanes for school bus traffic and commercial vehicles. The project also included injection grouting and repair of failed pavement areas; improving turning radii at U.S. 290 and Jones Road intersections; construction of raised boulevard section toward each end of roadway; placement of a 2-inch hot mix asphalt overlay on ERW from Jones Road to Hwy. 290 and pavement markings on the entire length of ERW from Brodie to Hwy. 290. Doucet performed the design work including repair details and drainage improvements, prepared the construction plans and specifications and coordinated with the Public Works Department.

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Erosion Protection and Large Woody Debris

Gill, MA

Working with the Franklin Regional Council of Governments (FRCOG), GDFSUEZ/First Light Power Resources, and New England Environmental (NEE), Doucet provided engineering design and associated construction services for a bank stabilization/large woody debris project in the Town of Gill. We specifically assisted the project team on a collective plan to develop woody debris structures. Services included working with NEE on the location and design of woody debris structures, temporary construction roadway design, sequencing, and construction observation. Doucet and NEE designed LWD techniques to be used as part of Phase III bank stabilization projects. The design and construction techniques used on this LWD demonstration project can be successfully used on future bank restoration projects on the Connecticut River.

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Expansion Project for Andrews Elementary

Austin, TX

This project involved library expansions and administrative office improvements on 8.18 acre site. We were responsible for all civil engineering services to support the design, permitting, and construction phase of the project as it pertained to exterior improvements. Exterior improvements initially just included accessible pathways to building entrances/exits. Due to the Memorial Day 2015 storm event, the gymnasium was flooded. We were tasked to provide design, permitting, and construction phase services for drainage mitigation to the courtyard/gymnasium areas of the campus. Additional drainage issues between building wings C and D, as well as areas to the south of the new library under construction, were identified due to that storm event and subsequent major storm. In addition, the wastewater line serving the school was inspected via camera and was found to be collapsing in several areas. Because the original wastewater line was the Orangeburg pipe installed in the 1950s, we designed a new wastewater line to replace it.

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Educational

F.M. 1626

Hays County, TX

Construction observations and coordination between TxDOT and developer.

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Fairfield Mall

Chicopee, MA

This project consisted of the redevelopment of a deteriorating mall property which originally was home to Bradlees and Caldor retail stores. The mall was demolished and a 150,000 square foot Walmart store was built on the cleared site. Additionally, a Pizza Hut restaurant was demolished, and a 5,460 square foot 99 Restaurant and Pub was built on the 1.1 acre out lot in a stand-alone configuration. The existing parking lot was redesigned and rehabilitated. A Home Depot warehouse is also located on the site, complimented by an adjacent 145,000 square feet of additional in-line retail space. The Walmart store was later expanded into a 217,000 square foot Supercenter. We worked from the early conceptual stages through final permitting, out-to-bid documents and construction support for this development. Services included civil engineering site design, demolition plan, layout, grading, utilities, storm water management plan development, site work specifications, construction documents and construction cost estimates. Permitting of the site work included Chicopee Planning Board Site Plan Approval, Chicopee Conservation Commission Request for Determination of Applicability, Massachusetts Executive Office of Environmental Affairs - MEPA, MassDOT, MassDEP Registration of Underground Discharges, NPDES Storm water Coverage and Northeast Utilities Approval.

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Commercial

FedEx Distribution Center

Zainesville, Ohio

We provided civil engineering services for the FedEx distribution center located in Zainesville, Ohio. We worked with Berkshire Development to develop mass earthwork and grading plans to balance the cut to fill earthwork on-site. The distribution center is located on the edge of a commercial cul-de-sac and approximately 90,000 cubic yards of material was quantified prior to construction. As a result, the project was value engineered so that no earthwork material was imported or exported during the site work phase of construction.

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Industrial

Floodplain Management: 34th Street Reconstruction

Austin, TX

34th Street Reconstruction from West Ave to Shoal Creek Bridge Drainage Analysis and Storm Drain Improvements We provided preliminary and final designs of the storm drain improvements for the reconstruction of 34th Street from West Avenue to the Shoal Creek Bridge, a distance of approximately 2,170 ft. Our designs included the following: Design of approximately 1,950 LF of storm drain conduits (ranging from 18-inch RCP to 7’x4’ box culverts) A final design of the storm drain system improvements including coordination of horizontal and vertical alignments of the storm drain conduits with water and wastewater relocations, pavement reconstructions, and structural designs of the impact basin and retaining wall at Shoal Creek. Innovative combinations of storm drain conduit sizes, pipe classes, and alignments were used to minimize utility conflicts and relocations and to allow tunneling under Lamar Boulevard to install the 48” storm drain line without disrupting Lamar Boulevard traffic

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Water Resources

Floodplain Management: Bull Creek Watershed

Austin, TX

Bull Creek Watershed Floodplain Modeling and Mapping The Bull Creek Watershed, including West Bull Creek, is a suburban watershed with approximately 31.5 square miles of drainage area and 34.25 stream miles to be studied. The main purpose of this project was to develop digital geo-referenced hydrologic and hydraulic models and floodplain maps for the Bull and West Bull Creek watersheds for both existing and fully-developed land-use conditions. Our responsibility for this project involved developing hydraulic data and floodplain mapping for selected tributaries of Bull Creek. We developed: Fully-annotated HEC-RAS models with all supportive GIS files such as cross-sections and GIS geodatabase for both existing and fully-developed land-use conditions Digital hydraulic data including tables, methodology descriptions and exhibits for Existing and Fully-Developed Land-use Conditions to incorporate into the Hydraulic Technical Support Data Notebooks (TSDN), Water surface elevation profiles at similar vertical and horizontal scale as the profiles in the effective FIS report for selected FEMA flood frequencies using RAS-PLOT for the detailed study tributaries only, Floodplain mapping Digital copies of the floodplains and BFEs for the detailed study tributaries for both existing and fully-developed land-use conditions

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Water Resources

Floodplain Management: Crystal Brook Flood Control

Austin, TX

Over 175 homes located in the Crystal Brook neighborhood were threatened by frequent flooding due to floor elevations below the 100-year storm water surface elevations. We provided the following improvements: 16,600 LF of storm sewer lines (ranging from 18” RCP to 12’ x 7’ concrete box) 7,000 LF of channel improvements (ranging from 6’ wide to 100’ wide bottom) 5,700 ft. flood barrier system 2,000 LFof creek bank stabilization and restoration

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Water Resources

Floodplain Management: Los Indios Culvert

Austin, TX

Los Indios Culvert Upgrade and Channel Improvements The Los Indios subdivision and Los Indios Trail are located in northwest Austin. The Los Indios Trail roadway was overtopped by Rattan Creek during the 10-year and greater return period storm events putting seven (7) homes in the vicinity of Los Indios Trail at risk of flooding in the 100-year storm event. Using on-the-ground topographic survey, we developed alternatives to mitigate the culvert and local flooding problems and prepared construction plans for the proposed improvements.

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Water Resources

Floodplain Management: Oak Lawn Storm Drain Improvement

Austin, TX

We performed a hydrologic and hydraulic study of the existing storm drain network in the lower Fort Branch Oak Lawn Subdivision area bounded by Springdale, Heflin, Webberville, and Ribecke roads. This area was identified as having localized flooding problems through the Fort Branch Watershed Integrated Solutions Study. As a result, new storm drain systems were designed to supplement the existing systems. The final design encompassed approximately 5,500 LF of storm drain pipe and 2,000 LF of water main.

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Water Resources

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