Code for fire protection design of hotel decoration

Code for fire prevention acceptance and design of hotels

1. System wiring:

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1) The wiring of the automatic fire alarm system project shall comply with the current national standard Electrical Equipment Wiring Project 1KV and below.

Code for Construction and Acceptance "

The provisions of GB50258-96.

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2) The core section of transmission line of automatic fire alarm system shall meet the technical requirements and mechanical strength.

Beg. The minimum cross section of copper-core insulated conductor laid through the pipe shall not be less than

1.0 mm2； Insulated conductor laid in the wire groove, minimum cross section

The surface should not be less than

The minimum cross section of 0.75mm2 multi-core cable shall not be less than 0.5mm2.. 13809003 1 19

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3) The transmission lines shall be wired by wearing metal pipes, flame-retardant hard plastic pipes or closed trunking protection.

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4) When underground laying is used, it should be laid in a non-combustible structure, and the thickness of the protective layer should not be less than 3cm.

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5) When exposed coating is used, metal pipes or metal trunking should be used for protection, and fire retardant coating should be applied on the metal pipes or metal trunking.

Material protection.

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6) When using flame-retardant cables, it is not necessary to wear metal pipes for protection, but it should be laid in cable shafts or fireproof ceilings.

Protective measures in closed trunking.

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7) Lines with different systems, different voltage levels and different current categories should not be worn in the same pipe or the same slot of trunking.

Inside.

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8) The conductor shall be in the tube or trough, and there shall be no joint or kink. The connectors of wires shall be welded or terminated in the junction box.

Connect.

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9) Metal hoses shall be added to the lines leading from the junction box and trunking to the detector bottom box, control equipment box and speaker box.

Protect.

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10) The nozzle and pipe joint of the pipeline laid in dusty or humid places shall be sealed.

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1 1) After laying the wires of the automatic fire alarm system, measure the insulation resistance of each loop wire with a 500V megger.

Its insulation resistance to ground should not be less than

20M.

2. Installation of fire detectors

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1) The horizontal distance from the detector to the wall and beam edge should not be less than 0.5m

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2) There should be no obstacles within 0.5m around the detector.

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3) The horizontal distance between the detector and the air supply outlet of the air conditioner should not be less than 1.5m, and it should be installed near the air return outlet; Porous conveying

The horizontal distance of the wind ceiling orifice shall not be less than

0.5m.13809003119

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4) When the detector is arranged on the ceiling of the inner walkway with a width less than 3m, it should be arranged in the center.

The installation spacing of temperature detectors should not exceed.

10m； The installation spacing of smoke detectors shall not exceed15m; ;

The distance between the detector and the end wall should not exceed half of the installation spacing of the detector.

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5) The detector shall be installed horizontally. When installation must be tilted, the tilt angle should not be greater than 45.

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6) The base of the detector should be fixed firmly, and the alarm confirmation light, if any, should face the entrance direction for personnel to observe.

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7) The outer conductor of the detector shall have a margin of not less than 15cm.

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8) The detector can only be installed when it is about to be debugged. Before installation, it should be properly kept, and dust-proof, moisture-proof and anti-corrosion measures should be taken.

Stone.

3. Install the manual fire alarm button

Manual fire alarm button can play a special role in confirming fire or sending out fire alarm signal manually, so each fire point

At least one manual fire alarm button should be set in this area.

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1) The manual fire alarm button shall be installed on the wall at the height of/.3 ~1.5m from the ground (building) and shall be clearly marked.

Pool. The walking distance from any position in the fire zone to the nearest manual fire alarm button should not be greater than.

30 meters.

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2) Manual fire alarm button shall be installed firmly and shall not tilt.

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3) The outer conductor of the manual fire alarm button shall have a margin of not less than 10cm, and shall be clearly marked at its end.

4. Install fire alarm bells and door lights

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1) The alarm bell is a high vibration alarm device, and spring washers should be added to the fixing bolts.

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2) Door lights should be equipped with matching light boxes or corresponding junction boxes, embedded in the wall above the door, and should not protrude from the wall.

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5. Install fire alarm controller.

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1) when the fire alarm controller is installed on the wall, the height of its bottom edge from the ground (floor) surface should be1.3 ~1.5m. ..

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2) The controller shall be installed firmly and shall not tilt. When installed on the light wall, reinforcement measures should be taken.

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3) The incoming line of the main power supply of the controller should be directly connected with the fire power supply, and the power plug is strictly prohibited. The main power supply should be obvious.

Sign.

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4) The grounding of the controller shall be firm and clearly marked. When the working grounding device is installed in the fire control room, the grounding resistance value.

Should not be greater than

4Ω; When * * * is used for public grounding, the grounding resistance value should not be greater than 1ω.

6. Fire emergency broadcast

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1) In public places in civil buildings, the rated power of each speaker should not be less than 3W, and the number should be guaranteed from one speaker.

The distance from any part of the fire zone to the nearest speaker is not greater than.

25 meters. Last speaker in the aisle

The distance between the two ends should not be greater than

12.5 meters.

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2) The sound pressure level of the farthest point within the sound range of the speaker group in the place where the environmental noise is greater than 60dB.

Should be higher than the background noise

15dB .

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3) When the guest room is equipped with a dedicated speaker, its power should not be less than1.0w..

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4) In case of fire, speakers and public * * * broadcast amplifiers on the evacuation floor should be forced to turn into fire in the fire control room.

Emergency broadcast status.

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5) A standby amplifier for fire emergency broadcasting shall be set, and its capacity shall not be less than the fire emergency broadcasting within the scope of fire emergency broadcasting.

Sum of the maximum capacity of broadcast speakers

1.5 times. All fire broadcasting languages in the hotel must be in more than three languages except Chinese.

Use the international common language.

7. Special fire-fighting telephone/13809003119

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1) The fire control room should be equipped with a special telephone switchboard for fire control, and it is advisable to use * * * electric telephone switchboard or intercom communication telephone equipment.

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2) The special telephone extension for fire fighting shall be set in the following parts.

① Fire pump room, standby generator room, boiler room, power distribution room, main ventilation room, smoke control room and fire elevator room.

Other computer rooms related to fire fighting linkage and often attended.

(2) Fire fighting system operating device or control room.

(3) Hotel fire control duty room and general dispatching room.

(4) Places with manual fire alarm buttons and fire hydrant buttons should be equipped with telephone jacks. When the telephone jack is installed on the wall, its bottom

The height of the marginal ground shall be

1.3~ 1.5。

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3) The fire control room, fire duty room, hotel fire station and other places should be provided with an external telephone that can give an alarm directly.

8. Concealed engineering acceptance and intermediate acceptance

Hope to adopt, thank you.