Rooftop air handler, exhaust fan, ductwork, and pipe racks on a building roof

METRO ENGINEERING

Seismic anchorage calcs and details for nonstructural components.

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Metro Engineering takes mechanical, electrical, and plumbing equipment from submittal to stamped attachment package. We run the calcs, draw the details, and answer plan check.

For mechanical, electrical, plumbing, and general contractors, and equipment suppliers.

Services

Seismic anchorage calcs

Packages under ASCE 7 Chapter 13 and the CBC. Design forces, anchors, and attachment checks by equipment tag.

Attachment details

Plan and section details for roof curbs, dunnage steel, wall mounts, and slab anchors.

Pipe, duct, and conduit bracing

Bracing for piping, ductwork, conduit, and cable tray. Seismic snubbers for vibration-isolated equipment.

Wind on exterior equipment

Wind load checks for rooftop and exposed equipment, run with the seismic case.

Existing structure checks

Evaluation of existing curbs and roof framing for replacement equipment under the CEBC.

HCAI/OSHPD seismic certification

Project-specific special seismic certification by analysis and equipment anchorage for hospital projects, under CBC 1705A.13.3 and ASCE 7 Chapter 13.

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Send the plans and equipment submittals.

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How a job runs

SCOPE

Boundary first

Which tags, what the plan checker requires, and what stops at the contractor's work.

CALCS

Site inputs verified

Seismic and wind inputs for the site, submitted equipment data, and every substitution shown.

DETAILS

Fewest anchors that work

Field labor is the biggest cost. Details are drawn to keep it down.

Calcs in days, not weeks.

Equipment can't be released until the calcs are stamped, and we know the schedule is waiting. Most packages go out within days of receiving complete submittals.

Equipment covered

  • Chillers
  • Cooling towers
  • Rooftop units
  • Air handling units
  • Boilers
  • CRAC/CRAH units
  • CDUs
  • Fan coil units
  • Pumps
  • Fans
  • Tanks
  • Heat exchangers
  • Generators
  • Switchgear and transformers
  • Conduit and cable tray
  • Ductwork
  • Piping
  • Wall-mounted equipment
  • Isolated equipment
  • Skidded equipment

Dan Pineda, P.E., LEED AP

Principal Engineer • PE C78052 • PE M32894

More than 20 years of combined structural and mechanical design experience. The calcs account for the equipment being attached, not just the attachment.

Clients work directly with the licensed engineer responsible for the calcs.

Get started

Email is best. Call for anything urgent.

info@metroengineering.us
(925) 984-0682