Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Aims Recall your memory : how to review your

scheme according to MOE, FRC & MOA Highlights: protected lobby, doors & testing Checklist for inspection Fire Safety (Commercial Premises)

Ordinance Fire Safety (Buildings) Ordinance

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Exits from Rooms & StoreysCapacity = Area / Factor Table 1

e.g. An office area is 80, factor is 9, therefore room capacity is 9 persons.

No. of exit, min. width of exit door & exit route Table 2 Capacity > 30 persons, 2 exits >30o & door

swing in direction of exit, MOE 16.1. Door swing should not reduce min. req’d

width of exit route, MOE13.5a.

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Exits from Rooms & Storeys Direct distance, MOE 14.1

Within a room, 15m/18m Travel distance, Table 3 & 4

Between Room exit to staircase Balcony approach Internal corridor w. ventilation = cross ventilated

by permanent openings 6.25% of floor area of corridor, at least 1.5 sq.m, MOE 14.8.

Dead end, MOE 14.3b, PNAP210 Exit in one direction only, 18m (DD+TD)

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Deadend = 18m

18m

TD+DD

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Staircase Discharge value of staircase > total capacity

of building Table 5 (non-sprinklered bldg), Table 6

(Sprinklered bldg) X0.8 direction of exit is upward, X0.7 scissors staircase

Bldg (planning) Reg 39: Bldg exceeding 4 storey, provide 2nd staircase or continue to roof

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Staircase Staircases separation < 48m, MOE 14.3c Lift lobby accessible to exit route, MOE 19. Except single staircase bldg, min. 2 exits for

each storey, MOE 11.1 MOE should not be pass through one

staircase enclosure to reach an alternative staircase, MOE 13.4

An inner room – vision panel, MOE 14.5. except toilet (alternative fire alarm system), does not apply to domestic flats, PNAP 257.

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

ExampleOK Staircase 2

MOE passThrough 1To 2

Staircase 1

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

StaircaseSingle staircase Building

Max. 6 storeys Uppermost storey <17m above GL Roof for refuge, 0.5 sq.m/person Cockloft is store attached to G/F shop

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Staircase Interchange MOE 11.2.

Office

People using one staircase cannot gain access to another,At common area

Common corridor should beprovided

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

StaircaseStaircase discharges to street at GL

Door/gate should be openable from inside w/o using a key,

For security, use fail-safe lock/panic bolt Opened in the direction of exit, Set back from the line of drop in level

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

FRPUse & Compartment volumeTable 2

Domestic/office, n.e.28000sq.m : 1 hr Shop/PPE/carparking,

N.e. 7000sq.m : 1 hr, 7000-28000sq.m : 2 hrs.

Warehouse, n.e. 7000sq.m : 2 hrs Industrial, n.e. 28000sq.m : 2 hrs

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Different uses & occupancies Separate by walls & floors of longer FRP,

max 2 hrs. FRC 8 & 9. Internal corridors with flats, 1 hr wall & ½ hr

doors. Balcony approach with 2 escape directions,

not req’d. Special Hazard, 2 hrs/4 hrs adjoining

staircase, 1 hr door. FRP ducts for services thro’ compartment

wall or floors, ½ FRP access panel, FRC 10.5

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Example: Internal corridor½ hr door

1 hr wall ½ hr door

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Openings at external walls Adjoining Buildings, FRC 7

From adjoining Building

Within 900mm imperforate

900-1800mm, ½ hr fixed light, 1 hr in staircase

From common boundary

Within 450mm imperforate

450-900mm, ½ hr fixed light, 1 hr in staircase

Staircase, FRC 11.7 Within 6m from street, common boundary, other external wall, ½ hr fixed light

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Example: openable window, ½ hr fixed light / 1 hr fixed light

Office

Opposite Building

Common Boundary

450mm 6m 450mmFRC 11.8

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Vertical barrier

450mmPrevent spread ofSmoke

FRC Diagram 5

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Basement, MOE 20 Min 2 exits, except:

Basement < 3m below GL; Area < 150 sq.m; and Solely for a lavatory or plantroom.

Staircase serving upper floors should not be continued direct to Basement

Directional and exit signs At lease 1 exit should discharge

independently of any other exit into street

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Basement, FRCFRP 4 hrs, FRC 6.2Smoke outlet, FRC 15:

30m apart, along street frontage, Every compartment, 0.5% of floor area, Min. dim 1m.

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Refuge Floors, MOE 21 Req’d for bldg exceeding 25 storeys above

the lowest ground storey: 20 storeys industrial bldg; 25 storeys non-industrial bldg.

25-40 storeys domestic or composite bldg, main roof for refuge.

Roof as refuge, min. 2 hr, FRP 13. Provision of sky garden in refuge floor,

PNAP258.

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

MOA Req’d Access staircase, fireman’s lift, Fire-fighting &

rescue stairway(FRS) Table 1 Not req’d fireman’s lift:

Domestic/office: single staircase Domestic: 2-staircase <30m Non-dom: 2-staircase <30m <7000cb.m PPE: < 2 storeys

Req’d FRS: Industrial >7000cb.m Basement >7000cb.m Floor within 60m from fireman’lift (actual passage), MOA

10.4

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Access at Ground Level

MOADiagram 4

18m

Fireman’s Lift

Fire service access point at GL

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

MOA

Separate lift-well for fireman’s lift, MOA 11.1, 2 hrs, FRC 11.1

Same lift lobby arrangement on every floor, MOA 13.3

FRS = Access staircase + fireman’s lift + ventilated lobby, MOA18.1, 2xFRP, MOA19.2

‘Fire service access point’ to ‘fireman’s lift / FRS’ - Horizontal distance 18m, MOA 9.2 & 16.2, width 1.5m MOA 9.1 & 16.4

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Protected Lobby, MOE 13.5b Protected lobby to each stairs

Enclosed staircase > 50% Single staircase bldg > 13m Bldg with 2 or more stairs > 20m

Common area and an integral part of the staircase

From special hazard to exit route, MOE 6 Fireman’s lift lobby to remaining part of G/F, MOA

9.3b Separation between 2 compartments, FRC 10.1,

or use fire shutter (except PPE, carparks)

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Doors, MOE Staircase & lobby doors - openable without

the use of key, MOE16.2. Door swing should not reduce effective radius

of staircase landing MOE 16.3. Transparent upper view panel – assist

occupants to see the inside of the staircase before entering it, MOE16.5.

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Doors, FRC FRP = ½ of wall, max 1 hr. Integrity - resist spread of smoke and fire Insulation - prevent raise in temperature in the

staircase, therefore, staircase & lobby doors should have insulation property, FRC 11.3(b)

Self-closing, FRC 17.1. Both side with notice, FRC 17.2. Uninsulated glazing area < 25% of door leaf area,

otherwise req’d insulation, FRC 17.4(c).

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Testing Before 1996, 2” hardwood door, Now, certificate & test report, FRC 6 Test or Assess in accordance with BS476:Part

22:1987, FRC 17.4. PNAP 251- Building Authority accepts

Test report : laboratory recognized by HOKLAS or other bodies reached Mutual Recognition Agreement

Assessment report: 3 organizations only – BRE, IFC (limited to Mr Jackman) & Warrington)

Valid period of the test report.

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

www.info.gov.hk/itc/hkas

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Mutual Recognition Agreement

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Checklist Staircase

Width, No. of steps per flight, max. 16, Tread min. 225mm, riser max. 175mm Handrail, 850-1100mm Headroom 2000mm No winder

Corridor width Openings at external walls, FRC 7 & 11.7 Staircase enclosure continued to G/F exit Smoke outlet for basement & size

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Checklist Access to roof Fireman’s lift:

Size, min dimension 1.1m, area 1.35sq.m Rated load, min. 680kg Door size, 800x2000mm Lobby size, min dimension 1.5m, area 2.25sq.m

Access to Fireman’s lift at G/F, min. 1.5m, MOA 9.1 UBW affects MOE Special hazard Door swing on stair landing/step

Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003

Thank you