Saigon M&C Tower Project Method Statement For Fire Stopping

Installation Fire Stopping For:

a. uPVC, PPR pipes: 1. uPVC, PPR pipes smaller than 50mm.

2. uPVC, PPR pipes from 50mm up to 160mm.

3. uPVC pipes over 160mm.

b. Metal pipes and air duct. c. Electrical conduits. d. Electric trunking, cable tray, ladder.

e. Busduct system.

01/12/08 FIRST ISSUE C.T.P -.-.- J.R.P L.Q.K A

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Saigon M&C Tower Project Method Statement For Fire Stopping

1. General:

Items: - The Method Statement For Fire Stopping Works 2. Aim:

The objectives is to describe Fire Stopping Works associated with installation

of M&E services in compliance with the contract specification, approved shop

drawings, combine and coordinated all services and structural penetration

shop drawings.

3. Scope of Works: This method statement covers work related to all M&E works of the SAIGON

M&C TOWER Project.

4. Installation: a. uPVC, PPR pipes:

For pipe smaller than 50mm: Use Fire Sealant - Clean the pipe.

- Fill rockwool to sleeve (Sleeve size follow table 1).

- Apply fire sealant.

- Smooth fire sealant

- Install G.I sheet 0.8mm thk - If the pipes exposed ceiling.

Table 1: Sleeves Size for Pipes smaller than 50mm Service PPR Pipe size (mm) Sleeve Sizes (mm)

D20 70D25 75D32 80D40 90

Wall/slab

Rockwool (60 kg/m3)

uPVC/PPR pipe

Fill Rockwool To Sleeve

Sleeve

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Saigon M&C Tower Project Method Statement For Fire Stopping

Wall/Slab Sleeve

Rockwool (60 kg/m3)

Fire sealant

uPVC/PPR pipe

Apply Fire Sealant

Fire sealant

Smooth Fire Sealant

Wall/Slab

uPVC, PPR pipe

Sleeve

Fire sealant Complete surface

Leave complete seal (The pipes concealed ceiling)

Wall/Slab

uPVC, PPR pipe

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Saigon M&C Tower Project Method Statement For Fire Stopping

Page 5

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

uPVC, PPR pipe

Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

Rockwool (60 kg/m3) Slab

Sleeve

10÷15mm

70 mm

Detail Installation Fire Stopping For uPVC, PPR Pipe Through Slab

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Rockwool (60 kg/m3)

10÷15mm Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

uPVC, PPR pipe

70 mm

Wall

Sleeve

Detail Installation Fire Stopping For uPVC, PPR Pipe Through The Wall

Saigon M&C Tower Project Method Statement For Fire Stopping

For pipe from 50mm up to 160mm: Use Fire Wrap - Clean the pipe.

- Cut fire wrap to the correct length (See application table).

- Wrap fire wrap around pipe.

- Push fire wrap into the annular pace.

- Fill all gap of fire wrap by fire sealant (If any).

Wrap fire wrap around pipe Cut fire wrap

Fill all gap of fire wrap by fire sealant (If any)

Push fire wrap into the annular pace

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Saigon M&C Tower Project Method Statement For Fire Stopping

Wall

uPVC/PPR pipe

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

25mm

Sleeve (Sleeve size follow table 2, 3)

Plastic anchor bolt M4x50mm

Fire wrap

70 mm

Detail Installation Fire Wrap For uPVC, PPR Pipe Through The Wall

Detail Installation Fire Wrap For uPVC, PPR Pipe Through Slab

Fire wrap

Rockwool (60 kg/m3)

uPVC/PPR pipe

Plastic anchor bolt M4x50mm

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

25mm

70mm

Slab

Sleeve (Sleeve size follow table 2, 3)

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Saigon M&C Tower Project Method Statement For Fire Stopping

Table 2: Sleeves Size for Pipes from 50mm up to 160mm

Service Pipe size Sleeve Size (mm)

40A 100

50A 110

65A 125

80A 140

100A 160

125A 190

150A 200

Table 3: Sleeves Size for Condensate Pipes from 50mm up to 160mm

Condensate Pipe Normal size

Condensate Pipe size with Insulation (mm) Sleeve Size (mm)

20A 67 110

25A 74 120

32A 82 130

40A 90 140

50A 100 150

80A 130 180

100A 154 200

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Saigon M&C Tower Project Method Statement For Fire Stopping

For uPVC pipe over 160mm: Use Fire Collar - Make measuring points according to pipe size

- Cut fire collar at marked measuring points according to pipe size.

- Ben the intumescent side of the collar until it snap.

- Shape the collar to fit the pipe and bevel intumescent edge for

close fit.

- Wrap the collar around the pipe and clip the first bracket into

slots on both ends.

- Complete other brackets and fit the collar onto wall/slab.

Make measuring points according

to pipe size

Cut fire collar

Ben the intumescent side of the collar until it snap

Shape the collar to fit the pipe

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Saigon M&C Tower Project Method Statement For Fire Stopping

Wrap the collar around the pipe and clip the first bracket into slots on both ends

Complete other brackets and fit the collar onto wall/slab

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Fire collar

Wall uPVC Pipe uPVC Pipe

Detail Installation Fire Collar For uPVC Through The Wall

Slab

Detail Installation Fire Collar For uPVC Through Slab

Fire collar uPVC pipeuPVC pipe

Saigon M&C Tower Project Method Statement For Fire Stopping

b. Metal pipes & Air ducts: Use Fire Sealant - Clean the pipe, Air duct.

- Fill rockwool (60 kg/m3) to sleeve/opening. Size of sleeve follow

table 4 & 6, size of opening follow table 5.

- Apply fire sealant.

- Smooth fire sealant

- Install G.I sheet 0.8mm thk- If the pipes, Air duct exposed ceiling.

Wall/slab

Rockwool (60 kg/m3)

Metal pipe/Air duct

Fill Rockwool To Sleeve

Sleeve

Wall/Slab

Fire sealant

Apply Fire Sealant

Sleeve

Metal pipe/Air duct

Rockwool (60 kg/m3)

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Saigon M&C Tower Project Method Statement For Fire Stopping

Table 4: Sleeve size for metal pipes (w/o Insulation)

Service Pipe size (mm) Sleeve Sizes (mm)

15 70

20 80

25 80

32 90

40 100

50 110

65 125

80 140

100 165

125 190

150 220

200 270

250 320

300 370

Table 5: Opening size for installation ducts

Ducts size (mm)

Opening Sizes (mm) w/o Insulation

Opening Sizes (mm) with Insulation

Wide (WD) High (HD) Wide (WO) High (HO) Wide (WO) High (HO)

WD HD WO = WD+50 HO=HD+50 WO = WD+75 HO=HD+75

Note:

- WD: Wide of ducts.

- WO: Wide of opening.

- HD: High of duct.

- HO: High of opening.

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Saigon M&C Tower Project Method Statement For Fire Stopping

Table 6: Sleeve size for chiller pipes

Service Pipe size (mm)

Insulation thick (mm)

Pipe Sleeve Sizes (mm)

20 32 140

25 32 150

32 32 150

40 32 150

50 32 175

65 38 200

80 38 210

100 38 240

125 38 265

150 38 300

200 50 370

250 50 420

300 50 470

350 50 500

400 50 550

450 50 600

500 50 650

Fire sealant

Smooth Fire Sealant

Wall/Slab

Metal pipe/Air duct

Sleeve

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Saigon M&C Tower Project Method Statement For Fire Stopping

Fire sealant Complete surface

Leave complete seal

Wall/Slab

Metal pipe/Air duct

Fire sealant

Wall/Slab

Air duct

Metal pipe

Complete Fire Sealant For Metal Pipe/Air Duct Concealed Ceiling Through Wall/Slab

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Saigon M&C Tower Project Method Statement For Fire Stopping

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

Rockwool (60 kg/m3)

Metal pipe

Slab

Sleeve

10÷15mm

70 mm

Detail Installation Fire Stopping Metal Pipe Through Slab

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Rockwool (60 kg/m3)

10÷15mm Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

Metal pipe

70 mm

Wall

Sleeve

Detail Installation Fire Stopping For Metal Pipe Through The Wall

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Saigon M&C Tower Project Method Statement For Fire Stopping

Fire protection pipes

G.I. sheet cover 0.8mm thk

Detail Installation Fire Stopping For Fire Protection Pipes Exposed Ceiling Through The Wall

Rockwool (48 kg/m3) Insulation

50mm G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Wall

Detail Installation Fire Stopping For Chiller Pipes Through The Wall

70mm

Chiller insulation

Rockwool (60 kg/m3)

Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

Chiller pipe

10÷15mm

Sleeve

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Saigon M&C Tower Project Method Statement For Fire Stopping

Plastic anchor bolt M4x50mm

Rockwool (48 kg/m3) Insulation

70mmG.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Rockwool (60 kg/m3)

Fire sealant; Depth: 10÷15mm

10÷15mm

Chiller pipe

Chiller insulation

Detail Installation Fire Stopping For Chiller Pipes Through Slab

Sleeve

Slab

50mm

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Saigon M&C Tower Project Method Statement For Fire Stopping

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

Rockwool (60 kg/m3)

Air duct

Slab

Opening

10÷15mm

70 mm

Detail Installation Fire Stopping Air duct Through Slab

G.I. sheet cover 0.8mm thk (For pipes exposed ceiling only)

Rockwool (60 kg/m3)

10÷15mm Plastic anchor bolt M4x50mm

Fire sealant; Depth: 10÷15mm

Air duct

70 mm

Wall

Opening

Detail Installation Fire Stopping For Air duct Through The Wall

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Saigon M&C Tower Project Method Statement For Fire Stopping

c. Electrical conduits: Use Fire Sealant. - G.I. conduits: Method statement installation fire stopping for G.I.

conduit through the wall/slab is the same Method statement

installation fire stopping for metal pipes.

- PVC conduits: Method statement installation fire stopping for

PVC conduit through the wall/slab is the same Method statement

installation fire stopping for uPVC, PPR pipes smaller than 50mm

through wall/slab.

d. Electric trunking, cable tray, ladder: Use Fire Cement.

- Clean electric trunking, cable tray, ladder.

- Install form work to side opening (For wall opening).

- Install form work to bottom opening (For floor opening).

- Apply fire cement to opening (Opening size follow table 4).

- Take-out form work.

- Clean electric trunking, cable tray, ladder out-side the wall/slab (If

any).

Opening size max.Penetration type L x W (mm)Wall opening 600 x 600

Floor opening 600 x 400

Wall

≥ 90mm

Wall opening

≥ 90mm

≤ 600mm

Cable tray

Fire cement

Trunking

Detail Installation Fire Cement For Cable Trunking, Cable Tray Through Wall

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Saigon M&C Tower Project Method Statement For Fire Stopping

≤ 600mm

Cable tray

Cable trunking

Fire cement

Floor opening

Slab

≥ 105mm

Detail Installation Fire Cement For Cable Trunking, Cable Tray Through Slab

Detail Installation Fire Cement For Cable Trunking Through Slab

Detail Installation Fire Cement For Cable Trunking and Cable Through The Wall

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Saigon M&C Tower Project Method Statement For Fire Stopping

Busduct system: Use Rocwool and G.I. Sheet. - Clean busduct.

- Install G.I sheet 0.8mm thk to side opening (For wall opening).

- Install G.I sheet 0.8mm thk to bottom opening (For floor

opening).

- Apply rockwool to opening.

- Install G.I sheet 0.8mm thk to other side opening (For wall

opening).

- Install G.I sheet 0.8mm thk to top opening (For floor opening).

- Clean busduct, working area.

25mm

Busduct

G.I. sheet cover 0.8mm thk

Slab

Detail Installation Fire Stopping For Busduct Through Slab

Rockwool (60 kg/m3) 70mm

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Saigon M&C Tower Project Method Statement For Fire Stopping

G.I. sheet cover 0.8mm thk

Busduct

Detail Installation Fire Stopping For Busduct Through Slab ( Bottom View)

Busduct

Rockwool (60 kg/m3)

Detail Installation Fire Stopping For Busduct Through Slab (Top View – Befor Install G.I. Sheet Cover)

Busduct

G.I. sheet cover 0.8mm thk

Detail Installation Fire Stopping For Busduct Through Slab ( Top View)

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Saigon M&C Tower Project Method Statement For Fire Stopping

Rockwool (60 kg/m3)

G.I. sheet cover 0.8mm thk 25mm

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Detail Installation Fire Stopping For Busduct Through The Wall

Busduct

Wall

Detail Installation Fire Stopping For Busduct Through The Wall

70mm