Cottonwood BLM Field Offices

The Work includes abatement and demolition of the existing Cottonwood Field Office Complex and construction of a new Field Office Building and Warehouse Building; and associated site development, including utilities, parking, ware yard, fencing and landscaping. Warehouse was CBC PEMB, office building was wood framed.

Customer: Bureau of Land Management Denver
Contract Value: $2,815,202
Year Completed: 2017

Syringa Corridor Hospital Renovations

Renovation of occupied Hospital, Demo, dust containment, infection control all required. Provided customer with upgrades to plumbing, HVAC, Fire suppression/monitoring system construction of new corridor between clinic space and hospital, fabricated and installed fire exit exterior stairs from upper floor, renovation of existing spaces, including reconfiguration of layout, doors and hardware, windows, reception desk, restrooms, roof patch, flooring, drywall, paint, tile, plumbing fixtures, etc. final cleaning. The project was completed in phases with no interruption to the occupants of the facility or public.

Customer: Syringa Hospital 
Contract Value: $950,046
Year Completed: 2016

Spokane County Courthouse

This project was the remodel/renovation of approximately 4,400 square feet of office spaces and Courtrooms in the Spokane County Courthouse 2nd floor, for the Family Law Center and courtrooms.

The project involved historic restoration and preservation of existing features including portions of the project that were part of the original building built in 1885. The features of this project included maintaining portions of the original 1885 flooring in a vault converted to a conference room, as well as 1885 steel doors and frames.

Structural modifications were made to strengthen previously damaged portions of the masonry walls and unique flooring system. The space was given new custom casework and woodwork to match the historic features of the building. Modern conveniences and security measures were added along with upgraded electrical, HVAC, Fire Protection, Fire Alarm and plumbing.

Location: Spokane, WA
Customer: Spokane County

Bayview Pier 42

An existing Naval facility, Pier 42 exhibited heavy deterioration and was determined to be structurally unsound. Floating walkway 05 was also heavily deteriorated and in need of repairs. This contract provided selective demolition of the existing sharksmouth, superstructure, crane & rail system, timber substructure and fender piles.

Pier 42 new installation included crane outrigger steel support piles, structural pile jackets, replacement of timber bracing, steel ladder, handrails & swing-gate, installed new fender/guide piles and guide assemblies, under-pier dry-fire suppression system, connection to existing 8” sewer main, electrical distribution and exterior LED lighting.

Walkway 05 new installation included driving steel pipe piles, removal & replacement of timber guide pile assemblies & rub rails, timber stringers, and timber pile cap at landing platform. Trade work included crane operations; (both crawler & barge mounted), selective demolition & deconstruction, structural steel, metal ladders & railings, pier timberwork, painting & marine coatings, dry-fire suppression system, steel pipe piles, wood marine piles, asphalt cutting & patching, striping, electrical distribution, exterior lighting, sanitary sewer connection, and polymer pile encapsulation.

Location: Bayview, ID
Customer: U.S. Navy

KI5014 Horizontal Construction Package #9

The nature of this project required that NNAC support and manage pavement and subgrade repairs to 12 large, separate areas across Fort Hood at once. NNAC provided diligent supervision and quality assurance to ensure that all areas were completed timely and to specification to allow use of the construction areas on time.

USPFO Energy Upgrades

Energy Upgrades to Multiple Buildings. Work includes Design service and Consisted of HVAC systems, Plumbing, & Electrical; Retrofit Lighting, Replaced Boilers with New Energy Efficient Boilers, Replace Water Heaters, Replaced HVAC units, Replaced Existing Pump Motors with New Variable Frequency Drive, Pump Motors. Project was completed on time within the Contract performance period.

Location: Gowen Field, Boise, ID
Customer: Idaho Air National Guard
Contract Amount: $1,198,803

Runway Maintenance

Various Maintenance Functions that keep RGAAF operational.

Re-marked all line markings

Repaired various concrete patches on runway tarmac.

Demoed and repaired 64,000 lf of concrete control joints.

Cleared 18 miles of weeds.

Location: RGAAF, Fort Hood, TX
Completion Date: November 2013
Customer: Army MICC Fort Hood
Contract Amount Final: $1,827,077

KI17010 Samuel Adams Brew Pub – NAF Ft Hood

NNAC performed this project as a design-build to renovate one of the oldest buildings on Fort Hood into a Sam Adams Brewery pubs. NNAC addressed several building deficiencies during construction including asbestos and mold abatement, structural repairs, and correcting pre-existing electrical issues that had been out of code for decades. NNAC worked closely with several involved parties to include the pub management, facility owners, DPW, Sam Adams Brewery and their contracted interior decorators to deliver an end product that met everyone’s needs and showcased the pub’s unique character and themes.

MWR Track and Field

MWR Synthetic Multipurpose field and running track. Design/Build project to remove two existing softball fields and construct a new multipurpose artificial turf sports field, a 6-lane, 400-meter synthetic running track, as well as activity lighting & scoreboard.

Prior to the new construction, the site was experiencing significant drainage problems and the fields would flood after rainfall. Design addressed this issue with installation of a new under-field drainage system.

The project also provided new field wash-water system, outer perimeter irrigation, underground electrical distribution system, activity lighting & scoreboard, 10’ high chain-link fencing, asphalt paving & concrete curbing, and landscape restoration.

“We greatly appreciate the quality, efficiency, and level of effort NNAC consistently provides and look forward to collaborating on future projects.”

Dawn Malveaux, Contract Specialist NAVFAC Northwest PWD Everett Naval Station

Location: Everett Naval Base, WA
Completion Date: August 2013
Customer: NAVFAC Northwest, PWD Everett
Contract Amount Final: $1,991,406

Repair Company HQ Building

The work included Demolition, Concrete, Framing, Roofing, Masonry, Doors and Windows, Insulation, GWB, ACT, Flooring, Painting, Mechanical, Networking, Electrical, Plumbing, Fire Suppression.

“The variety of construction services provided by Mrs. Lettau’s company has been exemplary, consistently on time, and within budget, always going beyond our expectations. I commend their dedication and commitment to providing quality construction services to the US Army at Fort Hood.”

–Mario Gonzalez, Contracting Officer

Location: Fort Hood, TX
Completion Date: May 2013
Customer: Army MICC Fort Hood
Contract Amount Final: $2,715,000

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