Need a bilingual paper on building water supply and drainage.

stadium

1. Water supply and drainage design

Drinking water and sewage

1. sanitary design

Water and sewage

design basis

-Design task book and comprehensive map of municipal pipe network provided by Party A.

-condition map provided by architectural specialty

-Introduction to current national design codes, relevant laws and regulations and design.

. design basis

Design summary and municipal comprehensive network diagram provided by customers.

The condition map of architecture specialty.

Current national design codes and related regulations

2. Water supply system

Water is introduced through DN200 water inlet pipe. The water meter is installed on the water inlet pipe at a distance of 1 m from the red line. The water supply pipe is connected to the circular pipe network within the red line and connected to the fire pool and water supply and drainage pool of the supply building. The loop pipe network supplies water to the necessary outdoor fire hydrants and sprinklers in the green belt.

2. Water supply system

DN200 water inlet pipe is introduced for water supply in this project. The water meter is installed on the water inlet pipe at a distance of 1.0 m from the red line. The water supply pipes are connected into a ring network within the red line, and then lead to the fire pool and sanitary pool in the water supply building respectively. The number of outdoor fire hydrants and sprinklers required for green space will be provided on the ring network.

scope of design

Including drinking water, sewage, rainwater and building fire red line.

scope of design

The design scope of this project includes water, sewage, rainwater, fire fighting in the building, water and sewage in the red line.

The water supply and drainage pool is separated from the fire fighting pool, with a capacity of 100m3. The water supply pipe of the gymnasium is buried.

The sanitary pool is separated from the fire pool, and the volume of the sanitary pool is1100m3. The water supply pipe of the stadium will be buried underground.

3. Water consumption standard

-Gym: 15L/ customer day K=2.0

-Hotel: 150 l/ person/day K=2.0

-Restaurant: 50 liters/customer/day K=2.0

-Staff: 25 liters/person-day, K=2.0.

Ground washing water: 3 liters/m2 per day.

-Cooling tower water supply: 2% of water consumption.

-Unforeseen water quantity: 20% of daily water consumption.

-Fire water:

Fire hydrant: indoor 40L/s, outdoor 30L/s, fire duration 3 hours;

Automatic spraying 22 liters/second, fire duration 1 hour.

The water consumption of roller shutter and water curtain is 0.5L/s m, and the fire lasts for 3 hours.

water standards

-Stadium: 15L/ tourist day K=2.0

-hotel: 150 l/ tourist day K=2.0

-Restaurant: 50L/ customer day K=2.0

-employee 25L/ person/day K=2.0

-Floor cleaning: 3L/ m2/day

Make-up water for cooling tower: 2%

Actual cold water consumption.

Unforeseen water consumption: 20% per day

Water consumption.

Fire water

Fire hydrant: indoor 40L/s, outdoor 30L/s, fire fighting.

The duration is 3 hours;

Sprinkler: 22L/s, fire duration:1h;

Water curtain for rolling shutter: 0.5L/s m, fire duration 3h;

Set up drinking fountains at appropriate positions, and set up two disabled drinking fountains at the main entrance. To this end, install a circulating pump for the drinking water system. The water in the basement of the computer room except the computer room. When the drinking machine is not in use, let the water go to avoid water quality corruption.

Electric water heaters are installed in guest rooms and restaurants, and circulating pumps are also installed to supply hot water.

There is an electric water heater next to the dressing room to provide hot water for shower and washing.

Install a certain number of faucets for floor cleaning.

Portable drinking water devices are provided in some suitable places, and two drinking water devices for disabled people are provided at the main entrance. For this portable water system, circulating pumps are used, and the equipment room is located in the water treatment center in the basement. When not in use, portable water will be completely drained to avoid deterioration.

Electric water heaters will be installed in guest rooms and restaurants, and hot water circulation pumps will be provided to supply hot water.

The electric water heater is installed near the dressing room to provide hot water for shower and washing.

A certain number of faucets have been installed to clean the floor.

4. Water consumption

Maximum daily water consumption: 2.200m3/ day.

Maximum hourly water consumption: 220m3/ hour.

Water demand

Maximum daily water consumption: 2.200 m3/ day.

Maximum water consumption per hour: 220 cubic meters/hour

Cooling circulation system

Cooling water circulation system adopts mechanical circulation system. The total cooling water consumption is 460m3/h. Three ultra-low noise cooling towers (230 m3/h, 2x 1 15 m3/h) are set on the supply roof. The inlet water temperature is 37Co, and the outlet water temperature is 32Co. Make up water.

9,6m3/h, and the supplementary water is directly provided by the municipal water supply network.

cooling water circulation system

This project has a cooling water circulation system, and the cooling water of the refrigerator adopts a mechanical circulation system. The total water consumption of cooling tower is 460m3/h. There are three ultra-low noise cooling towers (230 m3/h, 2x 1 15 m3/h) on the roof of the supply building. The inlet temperature is 37Co, the outlet temperature is 32Co and the make-up water is 9,6m3/h.. Make-up water for cooling tower will be directly supplied by municipal pipe network.

Fire hydrant pump (one for use and one for standby), spray pump (one for use and one for standby) and roller shutter rain pump (one for use and one for standby) are installed in the fire pump room. Foam spraying equipment in underground garage, such as alarm valve, foam compression tank, chemical pump, etc., is installed in the fire fighting equipment center. The four walls of the garage are respectively equipped with a 30.0m3 fire water tank and a fire pressure stabilizing device.

Fire pump room is equipped with fire hydrant pump (one for use and one for standby), spray pump (one for use and one for standby) and roller shutter water curtain pump (one for use and one for standby).

Fire fighting equipment, used in foam spraying system of underground garage, such as fire alarm valve, foam concentration tank, chemical dosing pump, etc. It is provided in the fire equipment center. Four 30.0m3 fire-fighting water tanks and fire-fighting pressure stabilizing devices are located on four sides beside the garage.

Fire water

Fire hydrant: indoor 40L/s, outdoor 30L/s, fire duration 3 hours.

Automatic spraying 22 liters/second, fire duration 1 hour.

The water consumption of rolling water curtain is 0.5L/s m, and the fire duration is counted as 3 hours.

Fire hydrant: indoor and outdoor water consumption is 756m3.

The water consumption for automatic spraying is 79.2m3.

The water consumption of roller shutter and water curtain is 270m3.

The water consumption for a fire is1.861.2;

Fire water

Fire water consumption standard

Fire hydrant: indoor 40L/s, outdoor 30L/s, fire duration 3h.

Automatic sprinkler system: 22L/s, fire duration1h.

Water curtain for rolling shutter: 0.5l/s m, and the fire duration is 3h.

Fire water consumption

Fire hydrant: indoor and outdoor water consumption is 756m3 respectively.

Sprinkler: 79.2 cubic meters

Roller shutter water curtain: 270m3

Water consumption for a fire:1.105.2m3.

Arrangement of fire hydrant

In the whole building, a necessary number of indoor fire hydrants are set up along the walls, columns, corridors, wind towers and stairs, and the distance between fire hydrants is less than 30m. Fire hydrant pipe network is arranged in horizontal and vertical rings. Fire hydrant box is equipped with a DN65 fire hydrant, a 25m rubber hose, a φ 19mm water gun and a fire reel (DN25 fire hydrant, 30m hose and φ 9mm). Portable ammonium phosphate fire extinguisher box is installed under the indoor fire hydrant box. Indoor fire hydrant system is equipped with three groups of water pump adapters outdoors.

Fire hydrant layout

Install necessary number of fire hydrants indoors along walls, columns, corridors and stairs, with intervals less than 30m. Fire hydrant pipe network is connected horizontally and vertically into a loop. Each fire hydrant box is equipped with a DN65 fire hydrant, a 25m long rubber hose, a φ 19mm water gun, a hose reel (a DN25 fire hydrant, a 30m long rubber hose and a φ9mm water gun) and a hydrant pump direct start button.

Under each indoor fire hydrant box, install a portable ammonium phosphate dry powder fire extinguisher box. The indoor fire hydrant system has three sets of water pump adapters installed outdoors.

Fire extinguisher system

Waterproof pump house and fire pool

The water supply pipeline DN200 is connected into a circular pipe network within the red line, and a certain number of fire hydrants are installed on the pipe network. Two DN200 water supply pipes are introduced into the fire pools of two fire pump houses in the supply building respectively. The total capacity of fire fighting pools shall not be less than 4000m3, and each fire fighting pool shall be 2.000m3.

fire extinguisher system

Fire pump room and pool

The inlet pipe (DN200) is connected into a loop within the red line, and a certain number of fire hydrants are installed on the loop. Two water supply pipes (DN200) are introduced into the fire pool of each fire pump room in the supply building. Considering the importance of the project, the volume of the fire pool should not be less than 4000m3, each of which is 2.000m3.

Automatic sprinkler system

Except outdoor and rooms higher than 10 meter, automatic sprinkler system shall be installed in the whole building. The spray pump is installed in the underground fire pump room. The alarm valve is installed in the underground fire pump room and the middle fire equipment center, and the water flow indicator is installed in each fire zone.

Automatic sprinkler system

Except for areas and rooms higher than 10 meters, a sprinkler system will be provided throughout the building, and the sprinkler pump will be installed in the underground fire pump room. Alarm valves are installed in the underground fire water pump room and four fire equipment centers in the middle, and water flow indicators are installed in the fire zone.

In addition to installing closed automatic sprinkler system, foam automatic sprinkler system will be installed for underground garage. The dining room will be equipped with an automatic spray head started by 93oC, while other rooms will only be equipped with an ordinary rapid response automatic spray head started by 93oC. Three sets of pump adapters will be installed outdoors.

In addition to the closed spray system, the underground garage is also equipped with a foam spray system consisting of a proportional mixer and a foam concentration tank. The restaurant is equipped with sprinklers that start at 9 3oC, but in other rooms, only ordinary sprinklers and quick-response sprinklers that start at 68oC are equipped.

Three sets of pump adapters of the system will be installed outdoors.

drainage system

The drainage system is equipped with sewage main riser and special vertical exhaust pipe. The exhaust pipe is connected with the sewage pipe on each floor, and the sewage is discharged from the gymnasium. The sewage from the restaurant is treated by the grease trap before being discharged into the outdoor drainage pipe network. Water supply and drainage sewage will be collected and treated in septic tanks, and then discharged into the municipal drainage pipe network. The septic tank is next to the transportation area. The maximum daily drainage capacity is 870m3/ day.

9. Drainage system

The drainage system is provided with a main vertical sewage pipe and a special vertical exhaust pipe. The ventilation pipe is connected with the sewage pipe of each floor; Sewage was discharged from the stadium. Sewage from restaurants and garages is treated in the grease trap and then discharged into the outdoor drainage pipe network. Domestic sewage is collected and treated in septic tanks, and then discharged into municipal drainage system. The septic tank is located next to the delivery circle. The maximum daily displacement is 870 m3/ day.

Roller shutter water curtain system

The underground garage is equipped with a roller shutter water curtain system. The water curtain pump is installed in the fire pump room, and the shower head is turned on, which is controlled electrically or manually. Ten groups of pump adapters are installed outdoors.

Water curtain system for rolling shutter

The underground garage is equipped with a shutter door protected by water curtain, and the water curtain pump is installed in the fire pump room, with an open water curtain nozzle, which has two control modes: electric and manual. The system will install ten pump adapters outdoors.

Basement sewage is provided with a sewage pit, and wastewater is provided with a wastewater pit. Domestic sewage and wastewater are lifted by submersible sewage pump and discharged into outdoor drainage pipe network. The start and stop of submersible sewage pump are controlled by magnetic floating ball controller.

Waste water pit is set for underground garage, which is lifted to the outdoor by submersible sewage pump and discharged into outdoor rainwater pipe network after being treated by grease trap.

There are sewage pools and wastewater pools in the basement. Sewage and wastewater are sucked out by submersible sewage pumps and discharged into the outdoor drainage pipe network.

The operation of the pump is controlled by a magnetic floating ball controller.

The underground garage is equipped with a sewage pit, and the sewage is sucked to the outdoor grease trap by the submersible sewage pump, and then discharged into the outdoor rainwater pipe network after treatment.

The diesel generator room, power distribution room and communication equipment room are equipped with low-pressure carbon dioxide fire extinguishing system.

Diesel generator room, substation and telecom equipment room are equipped with low-pressure carbon dioxide fire extinguishing system.

According to the Code for Design of Fire Extinguishers in Buildings, a portable fire extinguisher box is set in each fire hydrant box, and a necessary number of portable ammonium phosphate fire extinguishers are installed in the box.

According to the Code for Design of Fire Extinguishers in Buildings, a portable fire extinguisher box is set under each fire hydrant box, and the box is equipped with a necessary number of portable ammonium phosphate dry powder fire extinguishers.

There is a fire drainage pit next to the bottom of each fire elevator, and the waste water is lifted by the submersible sewage pump and discharged to the outside.

A fire-fighting drainage pit is set at the bottom side of each fire-fighting elevator shaft, and the wastewater will be sucked out and discharged by the water pump.

Rainwater system

Rainwater drainage roof adopts pressure flow drainage.

The design return period of rain is calculated as P= 10 year, and the rainfall lasts for 5 minutes. The formula of rainstorm intensity is calculated as q = 998.002 (1+0.568lgp)/(t+1.983) 0.465.

The roof is provided with rainwater ditches along the columns. The rainwater is collected through the rainwater ditch, then enters the rainwater bucket and the sewer pipe, and then goes to the outdoor rainwater observation well.

10. Rainwater system

Roof rainwater drainage system adopts pressurized drainage system.

Here, the return period P= 10 year, the rainfall duration is 5 minutes, and the rainstorm amount is calculated by the following formula:

q = 998.002( 1+0.568 LGT)/(t+ 1.983)0.465

Set rainwater drains on the roof along columns and skylights. Rainwater is collected in the drainage ditch, and then flows to the rainwater header and downpipe, and then to the outdoor rainwater inspection well.

1 1. Pipe installation

-Domestic water supply pipes and cooling tower water supply pipes are made of copper pipes and welded by argon arc welding.

-Stainless steel pipes are used for direct drinking water pipes.

-Fire hydrant pipes, cooling circulating pipes, water curtain pipes and water pump suction pipes are all welded steel pipes.

-The automatic sprinkler pipe and the deluge pipe are made of hot-dip galvanized steel pipes, which are connected by threads or clamping.

-Carbon dioxide pipes are welded with seamless steel pipes.

-The foam spray pipe of the underground garage is made of stainless steel pipe, which is connected by clip.

Pipeline material

Domestic water pipes and supplementary water pipes of cooling towers are copper pipes connected by argon arc welding.

Portable water pipes are made of stainless steel.

Fire hydrant pipe, cooling circulating pipe, water curtain pipe and pump suction pipe are connected by welded steel pipes.

The spray pipe and the rain spray pipe are made of hot-dip galvanized steel pipes, which are connected by thread or pressure.

CO2 pipeline is welded with seamless steel pipe.

The pipe of foam nozzle in underground garage is made of stainless steel pipe and connected by crimping clamp.

When the rainwater exceeds the design capacity of the rainwater ditch, the rainwater can be freely discharged along the eaves, and then collected and discharged into the municipal water collection tank.

When the amount of rainwater exceeds the design value of the gutter, the water will naturally drain along the eaves. Rainwater is collected and then discharged into the municipal rainwater collection pool.

The circulating pool around the stadium will be used to spray the sports ground and serve as a water storage pool for outdoor green belts.

The pool will be used as a circulating filtration facility, which can hold about 7.500 m of water.

Spray pressure equipment and other necessary filtering equipment are installed in the supply building.

The circular pool around the stadium will be used to spray the stadium and serve as a reservoir for outdoor greening.

The pool will be used as a circulating filtration facility with a water volume of about 7.500 m.

The supply building will use spray water pressurizing equipment and other necessary filtering equipment.

2.0 refrigeration

2.0 cooling

Cold source:

Air conditioning cooling load (estimation):

The construction area of this project is * * * 50,000 square meters, including audience area, lounge, dressing room, small meeting room, dining room, office and other ancillary buildings. The daily peak cooling load of air conditioner is 2.4MW, and the daily total cooling load is 3 kW.

Refrigeration source

Cooling load of air conditioning system

The building has a total construction area of 50,000 square meters, including audience area, lounge, dressing room, small meeting room, restaurant, office and other auxiliary rooms. The design daily peak cooling load is 2,4mw, and the design daily total cooling load is 3kW.

Each 1200kW refrigerator is equipped with a centrifugal pump with a flow rate of 206m3/h, and each refrigerator is equipped with a standby pump.

The main pump is controlled by differential pressure bypass.

Provide chilled water to the swimming pool by burying pipelines.

Each 1200kW water chiller is equipped with a centrifugal pump with a flow rate of103m3/h. A standby operation pump corresponds to a water chiller.

The main pump is controlled by differential pressure branch.

The underground pipeline from the supply building to the gymnasium will transport chilled water.

Selection of cold source:

According to the actual situation of the building, three refrigerators are installed in the refrigeration room of the supply building, with a design capacity of 4800kW. In order to realize the efficient use of energy, the design scheme is that the output of/kloc-0 refrigerator is 50% of the total design capacity, and the output of the other two refrigerators is 25% of the total design capacity.

The main equipment of chilled water system includes three refrigerators, a primary freezing pump, a secondary freezing pump and automatic control valves. The supply/return water temperature of chilled water is-7/12 C.

Selection of refrigeration source

According to the actual situation of the building, three water chillers are located in the refrigeration room of the supply building, with a design capacity of 2400kW. In order to operate in an energy-saving way, a water chiller (1.200 kW) and two water chillers (600 kW each) accounting for about 50% of the total capacity are adopted.

The main equipment of chilled water system includes three electric chillers, primary chilled water pump, secondary chilled water pump and automatic control valve. The supply/return temperature of the cooler is-7/12 C.

Secondary pump system: according to the use function, each refrigeration room is divided into different circulation branches.

The secondary pump is controlled by variable frequency speed regulation, and the rotating speed of the pump is controlled according to the pressure difference of return pipe on the load side.

The pipeline of secondary pump circulation branch adopts different schemes.

Secondary pump system:

Each refrigeration room is subdivided into different circulation branches according to the use function.

The secondary pump is controlled by variable frequency speed regulation. According to the pressure difference between the water supply pipe and the return pipe.

The secondary pump circulation branch pipe adopts direct reflux system.

Air conditioning chilled water system

Due to the large area and complex functions of this project, continuous and intermittent methods are adopted. In order to achieve the purpose of flexible operation and energy saving, the chilled water system of air conditioning adopts double-tube secondary pump system.

Chilled water system

Due to the large area and complex functions of this project, continuous utilization and intermittent utilization are combined. In order to achieve the purpose of flexible operation and energy saving, the chilled water system adopts a double-tube secondary pump system.

Pipeline:

Water pipes are welded steel pipes and seamless steel pipes.

Except for the civil air duct, the air duct of this project adopts galvanized iron mouth, and each section of air duct adopts flange connection.

Pipe and conduit materials

The water pipes are welded steel pipes and seamless steel pipes.

Except for the civil air duct, all the air ducts in this project adopt galvanized steel joints. The air ducts are connected together by flanges.

Main pump system:

Supply building cold storage room

The 2400kW refrigerator is equipped with a centrifugal pump with a flow rate of 4 12m3/h and a standby pump.

Main pump system:

Cooling room supply building

1200kW water chiller is equipped with a centrifugal pump with a flow rate of 412m3/h. A standby operation pump corresponds to a water chiller.

Thermal insulation material:

Air conditioning water supply, return pipe and condensate pipes are insulated with phenolic shell.

Air conditioning supply and return air duct and treated new air duct are insulated by centrifugal glass wool board with aluminum foil.

-Non-combustible materials, such as rock wool, are used to fill the gaps where pipes pass through the firewall.

Hot material

Air-conditioning water supply, return pipe and air-conditioning condensate pipes are all insulated by phenolic pipes.

Aluminum foil-faced glass fiber board is used for insulation of fresh air pipes behind air supply and return pipes and water chillers.

Non-flammable materials will be selected to fill the gaps in the firewall through which the pipeline passes.

Noise elimination and vibration isolation:

Chiller, water pump and other equipment adopt shock-absorbing base, spring shock absorber or rubber shock-absorbing pad to reduce vibration and noise.

The inlet and outlet of air conditioning unit, fresh air unit and ventilator are connected by rubber canvas hose.

-Flexible rubber joints are used on the inlet and outlet pipelines of the water pump to isolate the vibration of the pipeline to the equipment.

Noise reduction and vibration isolation

Water chillers, pumps and other equipment use shock-absorbing bases and spring dampers on rubber shock-absorbing pads to reduce vibration and noise.

The inlet and outlet of air conditioning unit, fresh air unit and ventilator are connected by rubber-sheathed canvas hose.

Flexible rubber couplings are used in the inlet and outlet pipes of the pump to isolate the vibration of the pipeline to the equipment.

3.0 air conditioning and ventilation system

3.0 air conditioning and ventilation system

Scope of scheme design

Scope of schematic design

Air conditioning design

Air conditioning design

In the gymnasium, air conditioning systems are installed in some areas. These areas are divided into:

The VIP lounge is on the west side of the second floor underground.

The lobby of the hotel is on the east side of the second floor underground.

Underground traffic area, technical room, athletes' locker room, medical service, warm-up area, referee area, fitness center, hotel lobby, conference room, kitchen, concession area and VIP lobby mixed area.

Hotel lobby, hotel area, VIP porch and first aid on the first floor.

In the stadium, air conditioning systems are used in some venues. These ranges are broken down as follows:

VIP–lobby on the west side of Level EL-2

The hotel lobby is located in the east of the second floor.

Delivary Circle, technical room, athletes' locker room, medical service and warm-up area, referee area, fitness center, hotel lobby, conference room, kitchen and franchise area, Vip lobby-1 floor mixed area.

Hotel lobby, hotel area, Vip lobby, Vip area, first aid at 0.