Grün Engineering
Two stainless twin wall generator exhaust stacks rising above a louvred generator house
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Flagship project Generator exhausts GE3111

Trafford Hospital

High pressure exhausts for two 1,750 kVA standby generators, carried up the outside of the generator house.

Site
Trafford Hospital
Town
Manchester, North West
Sector
Healthcare
Status
Complete

Key facts

standby generators, 1,750 kVA each
2
high pressure twin wall, 500 OD
Ø450
joints, flanged and gasketed
V band
elbows and a base tee on each run
2

The challenge

The hospital's two 1,750 kVA standby generators needed new exhausts.

Each run leaves the generator house through the louvred wall and has to climb the outside of the building past the roof edge.

Generator exhausts run under pressure, so every joint has to hold.

What we did

We surveyed and drew both routes in CAD.

Each run is a high pressure twin wall insulated system, Ø450 inside, flanged with a gasket at every joint and locked with V bands.

Each run has two elbows and a base tee, with structural and lateral supports up the wall.

A drain point sits at the bottom of each stack, and both finish in mesh terminals.

The result

Both exhausts were installed and certified in August 2024.

The certificate of conformity is dated 22 August 2024.

On site.

5 photographs. Tap a photo to see it larger.

Trafford Hospital, Manchester. Both exhausts rising above the generator house.
Trafford Hospital, Manchester. Both runs bracketed off the wall above the louvres.
Trafford Hospital, Manchester. Tee and bracket where the run turns up past the eaves.
Trafford Hospital, Manchester. Side view of a stack, its bracket and the base tee.
Trafford Hospital, Manchester. One of the two stacks on its bracket.

Finishing details

The details we leave behind.

  • Bracket and tee on an exhaust stack

    Lateral supports

    Structural and lateral supports hold each stack to the building.

  • Base of an exhaust stack

    Drain at the base

    A drain point at the bottom of each stack.

  • Top of an exhaust stack

    Mesh terminals

    Both stacks finish in mesh terminals.

Handover

What the client got.

The documents on record for this job. Handover documents normally go into the customer's project folder before the engineers get home.

  • Survey and CAD drawing
  • Certificate of conformity22 August 2024
  • Completion photosBoth runs, inside and out

Related services

Generator exhausts and silencers Steelwork and supports Design and calculations

Short job records: GE3111.

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