Mechanical Engineering Design Services

The City of Charlotte (City) is soliciting Statements of Qualifications (SOQs) from firms/teams (Firms) to provide mechanical engineering design services (Services) for various unspecified projects on an as-needed basis  Award to multiple firms is anticipated.  The total estimated expenditure across all contracts is $500,000 per year.

The City is responsible for the operations and maintenance of 200+ municipal facilities, structures, and assets, with a range of uses including office, warehouse, storage, parking, vehicle maintenance, communication towers, and public safety. As-needed mechanical engineering design services for maintenance or minor renovation projects span the entire facility portfolio.

Typical mechanical engineering design requests may include, but are not limited to, the design/installation of new or replacement HVAC equipment associated with air or water cooled chillers; split, unitary, and rooftop systems; heat pumps and geothermal systems. Plumbing expertise, including distribution of hot water and chilled water, is essential for some systems across the facility portfolio. Some design needs may include smaller renovation projects such as sink and water fountain additions.

Additionally, investigation and scoping studies related to mechanical systems may be requested, including the need to address comfort and/or operations. Energy efficient design is directed by the City Sustainable Facilities Policy; it is common to request alternate solutions with an emphasis on energy efficiency. Some projects may require like for like equipment change-outs but others may require load calculations be run on facilities. Energy studies may be performed at some facilities. The selected Firm may be required to provide emergency services on short notice and within a tight time schedule.

Structural Engineering and Deck Inspections

The City of Charlotte (City) is soliciting Statements of Qualifications (SOQs) from firms/teams (Firms) to provide structural engineering design services and deck inspection services (Services) for various unspecified projects (Project) on an as-needed basis.  Award to multiple firms is anticipated.  Total estimated expenditures for these services across all contracts is $300,000 per year.

Services may include inspection of City parking decks and providing repair design services. Decks will be inspected in accordance with professional standards and a report will be provided on the physical condition of the decks along with recommendations for needed repairs. If any imminently dangerous conditions are identified, the Firm will design any required emergency repairs.

Typical structural engineering needs may also include the design of non-standard drainage structures; non-standard headwalls; junction boxes; inlets; manholes; endwall treatments; retaining walls; structural engineering review of shop drawings, and evaluation/design of shoring for buildings and roadways.

Each project may range from a single structure to multiple structures. Some of these projects may be in response to an urgent, unanticipated need that requires services on an expedited basis; therefore, the selected Firm may be required to provide emergency services on short notice and within a tight time schedule.

 

Tuckaseegee Berryhill Thrift Roundabout

The project will replace the signalized intersection with a roundabout. Project will also provide sidewalks, curb and gutter, driveways, concrete island, wheel chair ramps, retaining wall, storm drainage, asphalt pavement, pavement markings and signage and utility relocation.

Charlotte-Mecklenburg Government Center (CMGC) Generator Replacement

The project consists of replacing two (2) 475 kVA emergency paralleled generators in the sub-plaza level of the Government Center. The existing generators along with the existing paralleling gear, exhaust, fuel, cooling, and branch circuit systems shall be demolished and replaced. In detail these include, but are not limited to: two (2) existing radiators in the pit adjacent to the generator room, the existing paralleling gear, the exhaust piping stack up to the roof level, all existing cooling and fuel piping, the existing fuel pumps, and all electrical branch circuit for ancillary generator loads. The existing generators shall be removed in such a manner as to ensure they can be resold by the general contractor for a credit back to the City. Two (2) new CAT emergency-rated 500 kVA generators (purchased directly by the City) shall be installed along with a new 2000 amp, 480/277V switchboard (also purchased directly by the City), which shall replace the existing paralleling switchboard. The new generators shall be equipped with onboard paralleling technology. New control wiring shall be provided and installed to two (2) new annunciators and the existing building management system at the security desk adjacent to the elevator lobby on the sub-plaza level of the facility. A 1MW temporary generator shall be provided and installed by the electrical contractor adjacent to the street and exterior wall of the generator room to provide temporary backup power coverage while the existing gear systems are demolished and replaced. The general contractor is required to provide a construction schedule and participate in necessary pre-construction and construction progress meetings during the duration of the project. The City shall provide a commissioning agent to develop all commissioning scripts and testing procedures at the conclusion of construction activities. The General Contractor shall be responsible for all necessary materials and labor  necessary for the performance of the scripted commissioning activities.

Generator Replacement and Emergency Lighting Upgrades – Mint

The project involves the replacement of the existing diesel generator and tank and provide a new life safety emergency ATS and distribution system, and refeed the existing emergency distribution system.

The new life safety lighting shall be controlled via a lighting control panel that will be controlled by the existing “lutron” facility wide lighting control system. The lighting control panel shall be UL924 listed and the controls shall allow for astronomic time-clock control with system overrides, computer programming and scheduling where applicable. The time clock and scheduling setting shall be coordinated with the owner prior to inception of work. The lighting control shall interface with the fire alarm system such that in an alarm condition the emergency shall automatically turn on to full output and override the system settings. In the event of a normal power failure the life safety lighting shall automatically turn on and shall override the lighting control settings. New emergency life safety lighting and exit signs are being added. The receptacles and HVAC system in the main telecom room shall be added to the emergency power distribution system.

PROJECT LOCATION: Mint Museum Randolph, 2730 Randolph Road, Charlotte, North Carolina 28207-2012

Mack OEM Parts and Service

The City requires a qualified and manufacturer-authorized Mack heavy equipment dealer to work in conjunction with Fleet Management. The Company shall perform repair, replacement, maintenance, diagnostic, warranty repair and representation, and related Services on the City’s fleet of various models and years of Mack heavy equipment owned and operated by the City at their Company facilities or at approved City locations.

Freightliner OEM Parts and Service

The City requires a qualified and manufacturer-authorized Freightliner, Sterling, and Western Star heavy equipment dealer to work in conjunction with Fleet Management. The Company shall perform repair, replacement, maintenance, diagnostic, warranty repair and representation, and related Services on the City’s fleet of various models and years of Freightliner, Sterling, and Western Star heavy equipment owned and operated by the City at their Company facilities or at approved City locations.

General Vehicle Collision Repair and Related Services

The City of Charlotte is looking for qualified Service Providers to work in conjunction with Fleet Management to perform complete turnkey collision repairs and related services (excluding any City applied graphics), on the City’s various makes and models of vehicles.