MS for Fire Stopping

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 pipes and air duct. c. Electrical conduits. d. Electric trunking, trunking, cable cable tray, tray, ladder. e. Busduct system.

A

01/12/08

C.T.P

FIRST ISSUE

Page 2

-.-.-

L.Q.K

J.R.P

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. Sleeve

Wall/slab Rockwool (60 kg/m3)

uPVC/PPR pipe

Fill Rockwool To Sleeve

Table 1: Sleeves Size for Pipes smaller than 50mm Service PPR Pipe size (mm) D20 D25 D32 D40 Page 3

Sleeve Sizes (mm) 70 75 80 90

Saigon M&C Tower Project Method Statement For Fire Stopping

Sleeve

Wall/Slab Rockwool (60 kg/m3)

Fire sealant uPVC/PPR i e

Apply Fire Sealant

Sleeve

Wall/Slab

Fire sealant

uPVC, PPR pipe

Smooth Fire Sealant Wall/Slab

Fire sealant Complete surface

uPVC, PPR pipe

Leave complete seal (The pipes concealed ceiling) Page 4

Saigon M&C Tower Project Method Statement For Fire Stopping

uPVC, PPR pipe Sleeve Rockwool (60 kg/m3) Slab Fire sealant; Depth: 10÷15mm

10÷15mm

Plastic anchor bolt M4x50mm

70 mm

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

Detail Installation Fire Stopping For uPVC, PPR Pipe Through Slab

Wall

Rockwool (60 kg/m3)

Sleeve

Fire sealant; Depth: 10÷15mm uPVC, PPR pipe

70 mm

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

10÷15mm Plastic anchor bolt M4x50mm

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

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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

Push fire wrap annular pace

into

the

Fill all gap of fire wrap by fire sealant (If any) Page 6

Saigon M&C Tower Project Method Statement For Fire Stopping

Wall

Sleeve (Sleeve size follow table 2, 3)

Plastic anchor bolt M4x50mm

70 mm

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

uPVC/PPR pipe

Fire wrap 25mm

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

uPVC/PPR pipe Sleeve

Rockwool (60 kg/m3)

(Sleeve size follow table 2, 3)

Fire wrap

Slab

25mm

Plastic anchor bolt M4x50mm

70mm

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

Detail Installation Fire Wrap For uPVC, PPR Pipe Through Slab

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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.

Cut fire collar 

Make measuring points according to pipe size

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

uPVC Pipe

Complete other brackets and fit the collar onto wall/slab

Wall

uPVC Pipe

Fire collar 

Detail Installation Fire Collar For uPVC Through The Wall

Slab

uPVC pipe

Fire collar

Detail Installation Fire Collar For uPVC Through Slab

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uPVC 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.

Sleeve

Wall/slab Rockwool (60 kg/m3)

Metal pipe/Air duct

Fill Rockwool To Sleeve

Sleeve

Wall/Slab Rockwool (60 kg/m3)

Fire sealant Metal pipe/Air duct

Apply Fire Sealant

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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

Sleeve

Wall/Slab

Fire sealant

Metal pipe/Air duct

Smooth Fire Sealant

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Saigon M&C Tower Project Method Statement For Fire Stopping

Wall/Slab

Fire sealant Complete surface

Metal pipe/Air duct

Leave complete seal

Wall/Slab

Air duct

Metal pipe

Fire sealant

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

Metal pipe

Sleeve

Rockwool (60 kg/m3) Slab Fire sealant; Depth: 10÷15mm

10÷15mm

Plastic anchor bolt M4x50mm

70 mm

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

Detail Installation Fire Stopping Metal Pipe Through Slab

Wall

Rockwool (60 kg/m3)

Sleeve

Fire sealant; Depth: 10÷15mm Metal pipe

70 mm

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

10÷15mm Plastic anchor bolt M4x50mm

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

Wall Rockwool (48 kg/m3) Insulation

Rockwool (60 kg/m3) 70mm

Fire sealant; Depth: 10÷15mm Chiller insulation Chiller pipe

50mm

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

10÷15mm

Plastic anchor bolt M4x50mm Sleeve

Detail Installation Fire Stopping For Chiller Pipes Through The Wall

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Saigon M&C Tower Project Method Statement For Fire Stopping

Chiller pipe

Rockwool (48 kg/m3) Insulation

Chiller insulation

Rockwool (60 kg/m3)

50mm Fire sealant; Depth: 10÷15mm

Sleeve Slab

10÷15mm

Plastic anchor bolt M4x50mm

70mm

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

Detail Installation Fire Stopping For Chiller Pipes Through Slab

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Saigon M&C Tower Project Method Statement For Fire Stopping

Air duct Opening Rockwool (60 kg/m3) Slab Fire sealant; Depth: 10÷15mm

10÷15mm

Plastic anchor bolt M4x50mm

70 mm

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

Detail Installation Fire Stopping Air duct Through Slab

Wall

Rockwool (60 kg/m3)

Opening

Fire sealant; Depth: 10÷15mm Air duct

70 mm

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

10÷15mm Plastic anchor bolt M4x50mm

Detail Installation Fire Stopping For Air duct Through The Wall Page 18

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).

Penetration type

Opening size max. L x W (mm)

Wall opening

600 x 600

Floor opening

600 x 400

≥

90mm

Wall Wall opening

Trunking

≤

Cable tray Fire cement

Detail Installation Fire Cement For Cable Trunking, Cable Tray Through Wall Page 19

600mm

Saigon M&C Tower Project Method Statement For Fire Stopping

Cable trunking Floor opening

Cable tray

Slab

≤

600mm

≥

105mm

Fire cement

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.

Busduct G.I. sheet cover  0.8mm thk

25mm

Slab Rockwool (60 kg/m3)

70mm

Detail Installation Fire Stopping For Busduct Throu h Slab

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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) Page 22

Saigon M&C Tower Project Method Statement For Fire Stopping

Rockwool (60 kg/m3) 25mm

G.I. sheet cover 0.8mm thk

Busduct

70mm

Wall

Detail Installation Fire Stopping For Busduct Through The Wall

Detail Installation Fire Stopping For Busduct Through The Wall

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