Dave Witte Email & Phone Number

New York, Ny, Us

Design of HVAC, plumbing, and fire protection systems for water and wastewater facilities.

West Mifflin, Pa, Us

The Site Facilities Engineering group includes a dynamic mix of project engineering and system engineering services for the NNL's Kesselring Site. As project engineers, our team works with facility/system owners and internal stakeholders to develop construction contract documents, developing designs in-house or through subcontracted AE services. In addition, project engineers with project managers and AE firms to oversee contractors during the construction phase. As system engineers, our team includes mechanical engineers that have technical cognizance over all in-building HVAC and plumbing systems as well as civil engineers that have technical cognizance of all civil/roadway/structural systems on site; our systems engineers play a critical role in ensuring the safe and reliable operation of the industrial and training facilities for the Nuclear Navy.

West Mifflin, Pa, Us

Lead engineer for a multi-disciplinary engineering group that provides project engineering services for all large facility and infrastructure projects at the Naval Nuclear Laboratory's Kesselring Site. Provided resource planning and collaborated with leadership of the site's construction community on project prioritization and problem resolution. Provided onboarding and mentoring for acclimating new team members to the group's processes and practices. Led corporate process improvements, collaborating with stakeholders at other corporate sites, in redefining the corporation's processes for procurement of AE subcontracting and project cost budgeting. Generated or provided mentoring for preliminary project cost estimates and schedules. Provided peer reviews and quality checks for documents developed by the group.

West Mifflin, Pa, Us

Responsible for working with facility/system owners and AE firms to develop contract documents and provide construction oversight for projects ranging from facility upgrades to construction of new buildings or infrastructure systems. Focus on minimizing energy consumption and design of mechanical systems such as HVAC, plumbing, Boiler House, and distribution piping systems.

Liverpool, New York, Us

Lead design engineer for a biogas-fueled 350kW cogen system at a municipal WWTP. System includes a 350kW genset with remote radiator, liquid ring compressors, biogas H2S removal scrubber, biogas dryer system, and glycol heat recovery system to harness genset waste heat.Conducted a feasibility study of a biogas-fueled coge at a municipal WWTP. Study included analysis of heat content available in biogas evaluated against the heating required for digester sludge and the building. Lead design engineer for upgrade of five 400 HP vertical turbine pumps at a municipal drinking water pump station with capacity of 20 million gallons per day. Design process included analysis of system flow and head requirements, extensive evaluation of pump operation with VFDs and soft starters for minimizing annual pumping energy, evaluation of pump control valves for minimizing hydraulic losses, and surge calculations to determine ramping times of VFDs to mitigate water hammer. Design of heating, ventilating, and odor control systems at WWTPs in accordance with NFPA 820 for areas with explosive hazard classification. Design of natural gas piping systems in accordance with the NYS Fuel Gas Code. Design of commercial mechanical systems in accordance with the NYS Mechanical Code. Construction administration for commercial and industrial mechanical systems for public and private facilities. Submittal review and progress inspections of piping and accessories for systems such as fire protection, natural gas distribution, hydronic systems, furnaces, boilers, air handlers, cooling towers, chillers, pumps, heat exchangers, VFDs, soft starters, instruments, and SCADA systems. NYSERDA Flextech analyses to evaluate energy conservation measures for improvement of building energy performance. Modeling of building envelopes and equipment efficiencies for sizing of heating and cooling equipment as well as annual energy usage using Carrier Hourly Analysis Program.

New York, Ny, Us

Hydraulic analysis and design of large capacity water flow control control and conveyance systems for municipal drinking water systems including evaluation and selection of throttling sluice gates, multi-orifice valves, and V-port ball valves. Focus on material selection, thrust and torque requirements, retrofitting to existing infrastructure, and cavitation mitigation. Design of piping and pumping systems for heating and cooling, thermodynamic analysis, and equipment selection for multi-loop heating and cooling systems. Evaluation and approval of contractor-designed pipe support systems and stress analysis for systems up to 16" in diameter. Design of heat pump systems for extracting thermal energy from treatment plant process water. Facility heating and cooling load calculations. Design of cooling systems, dehumidification systems, and specialty ventilation systems for hazardous spaces.Providing guidance and technical resolutions for field issues including: trades coordination, constructability, fire stopping, seismic bracing, change order material takeoffs and cost estimates, equipment maintenance access, equipment checkout and testing, boiler refurbishment and upgrades for multiple fuel sources, boiler breeching/stack sizing, instrument wiring coordination, effects of building joint movement on pipe support systems, and evaluation of pipe coupling systems.

New York, Ny, Us

Taught algebra and conceptual physics/chemistry to middle school students.

Masters In Engineering, Environmental Engineering

Masters In Education, Physics And Science Education

Bachelor Of Science, Mechanical Engineering