Monday, December 20, 2010

Weak current College】 【go; water supply and drainage and HVAC common specifications compulsory article summary 10-Power By】 【China power house network.

<br> 25, the outdoor drainage design code GB50014-20061.0.6 industrial wastewater into water of urban drainage system should be implemented by the relevant standard shall not affect the town sewerage and sewage treatment plant uptime; should not jeopardize the maintenance and management personnel .; and shall not affect the treatment of water recycling and safe disposal, shall not affect the sludge treatment and disposal. 4.1.4 conveying sewage pipe drainage of corrosion must be corrosion-resistant materials, its interface and the auxiliary structures must take appropriate measures against .corrosion. 4.3.3 pipeline infrastructure should be based on pipeline material, interface, forms and geological conditions determine, on the ground is soft or uneven settlement lots, pipeline infrastructure strengthening measures to be taken. 4.4.6 is located on the roadway, the .manhole, should have sufficient capacity and stability good well cover and shaft seat. 4.6.1 when industrial wastewater can cause explosion or fire gas, its pipeline system you have to set the water wells. Water well location should be set in producing such wastewater discharge .outlet and dry pipe every appropriate distance. 4.10.3 interchange road drainage should be set independent of the drainage system, its outlet must be reliable. 4.13.2 confluent pipe sewers, water supply pipe with life intersect, laying in life below the water supply .pipeline. 5.1.3 only produce flammable and explosive and toxic gases in sewage pumping stations, must be designed as a separate building, and should take appropriate protective measures. 5.1.9 pumping supply should press L2 load design, particularly important area of pumping stations ., the design should be level load. When does not meet the above requirements, you should set the standby power facilities. 5 .1.11 natural ventilation conditions of underground water pump room should be located machinery sent exhaust systems. 6.1.8 factory fire protection design .and digestion tank, gas holder, sludge gas compression engine room and generator room sludge gas, sludge gas combustion plant, sewage sludge gas pipeline, sludge drying plant, sewage sludge incineration plant and other dangerous goods warehouse, location and design, should meet national current .fire safety requirements of the feedwater 6.1.18 the factory system, reclaimed water system is forbidden and treatment devices a direct connection. 6.1.19 wastewater treatment plant of power supply system, should press L2 load design important wastewater treatment plant design load should be level .. When does not meet the above requirements, you should set the standby power facilities. 6.1.23 processing structures should be set for the railings, guards against the water slides and other security measures, elevated treatment structures should also set the lightning. 6.3. .9 grille room ventilation should be set and toxic gas detection and alarm system. 6.8.22 blower housing Interior and exterior noise should comply with current health standard industrial noise and the city regional environmental noise standards GB 3096 requirements. 6.11.4 stabilization ponds must be .waterproof, Tong site and neighbourhood health protection should be set up between the belt. 6.11.8 stabilization pond design, should meet the following requirements: must have 4 stabilization pond, pond site seepage control measures and the neighbourhood health protection should be set up between .the belt. 6.11.13 in centralized water supply and water supply with health protection, aquifer outcrop area, fissured rocks and lava area, you may not use sewage land treatment. 6.12.3 reclaimed water transmission and distribution to the users of the pipeline is .strictly prohibited and other network connection, the transmission shall be reduced in the process and impact other used water. 7.1.3 sludge as fertilizer, its harmful substance content should be consistent with the national provisions of the existing standard. 7.3.8 anaerobic digester and .sludge gas storage tanks should be sealed, and can withstand the sludge gas pressure, the air tightness test pressure should not be less than the sludge gas pressure 1.5 times. Anaerobic digesters and sludge gas tank should prevent pool (tank)-pressure and vacuum in .produce. 7.3.9 anaerobic digester overflow and surface slag discharge pipe outlet shall not be put in the room, and must have water device. Anaerobic digester of the trachea, must be set to prevent tempering. 7.3.11 sludge gas storage tanks, sludge .gas compression engine room, sludge gas valve control rooms, sludge gas pipe layers, etc. may leak sludge gas, electrical, instrumentation and lighting appliances shall comply with explosion-proof requirements, indoor ventilation facilities should be set and sludge gas leak alarm system. .7.3.13 sludge gas tank pressure may not directly to the atmospheric emissions, should adopt the sludge gas burner consumption, burner should adopt internal combustion. Sludge gas tank of the trachea, must be set to prevent tempering. 26, the boiler room design code .GB50041-20083.0.3 boiler house fuel use, should be the rational use of energy and energy conservation, and security-production, economic efficiency and environment protection, selection of fuel due to its origin, element analysis, etc., and the corresponding fuel .supply agreement, and shall meet the following requirements: 3-in-the-ground, ground floor, the basement and half basement boiler house, is strictly prohibited use LPG or relative density than or equal to 0.75 gas fuel; 3.0.4 boiler room .design must be taken to reduce emissions, wastewater, solid waste and noise on the environmental impact of effective measures, emissions of harmful substances and noise should be consistent with national standards, the current relevant norms. 4.1.3 If the boiler house and other buildings .connected or settings in its interior, no settings in personnel-intensive sites and important sector level, the next layer, stick-o-location and main channel, evacuation on both sides of the mouth, and should be set on the first floor or basement .by exterior parts. 4.3.7 boiler room entrances of settings, you must meet the following requirements: <br> L entrance shall not be fewer children 2. But independent boiler room, when the furnace aisle total length is less than 2m, and the .total building area is less than 200m2, its entrance and can be set up; <br> 2 non-independent boiler room, the staff entrance must have 1 through outdoor; <br> 3 layout for multiple layers of boiler houses, its various layers .of staff entrances should not be less than 2. The staff on the floor, there should be a direct entrance to the ground safe stairs. 6.1.5 without safety valve pit product type feed pump, the valve in its exports of office near the pump .before segment, the installation of safety valve. 6.1.7 fuel boiler plant with a total capacity of indoor tanks, heavy oil should not be less than 5 m3, light diesel oil should not exceed lm3. Indoor tank should be installed in a separate room .. When the boiler room is greater than or equal to the total evaporation 30t / h, or greater than or equal to the total thermal power 21MW, indoor tank should be used for continuous automatic control of the oil. When the boiler room fire incidents, .indoor tanks should automatically stop into the oil. 6.1.9 indoor tanks closed tank should be used. Should be installed on the tank through outdoor snorkel, snorkel should set the arrestor and rainproof facilities. Fuel tank should not be used on glass tube liquid level .gauge. 6.1.14 fuel ignition of gas boiler rooms, should not be deposited in the boiler room, should be stored in a dedicated room. Gas tank total pit-product should be less than 1m3. 7.0.3 fuelled with liquefied petroleum gas boiler .rooms and liquefied petroleum gas pipeline crossing of indoor floor Department prohibited there can lead to outdoor pipe Groove (wells) or tunnel and other facilities. 7.0.5 gas regulating device should be set in support of open ground or floor and separate building, structure, .should not be set in the underground construction, structure. 11.1.1 the installation of steam boiler indicating instrument monitoring following security operating parameters: <br> 1 pot canister steam pressure; <br> 2 drum water level; <br> 3 drum inlet .water pressure; <br> 4 superheater outlet steam pressure and temperature; <br> 5 economizer inlet and outlet water temperature and water pressure. <br> 6 single rated evaporation capacity greater than or equal to 20t / h of steam boilers, should be .installed in this section 1, 2, 4 parameters indicating instrument to record the instrument should be installed. <br> Note: 1 use of water, there should be two-color water level gauge or electric contact meter in 1; <br> 2 .boilers have economizer, can not monitor the water pressure. 13.2.21 fuel system attachment is strictly used by fuel corrosion or dissolved materials. 13.3.15 gas pipeline and attachments is strictly prohibited the use of cast iron. In the zones using the valve, .should have the fire resistance performance. 15.1.1 the boiler room of fire risk classification and fire-resistant grade should meet the following requirements: <br> 1 boiler room should belong to the "production plant, a single steam boiler rated evaporation capacity greater .than 4t / h or single-fired heating boiler, the rated thermal power greater than 2.8MW, boiler construction should not be lower than the secondary fire resistance rating; a single steam boiler rated evaporation capacity is less than or equal to 4t / h or .single-fired heating boiler, the rated thermal power less than or equal to 2.8MW, boiler construction should not be less than three-level fire resistance rating. <br> Located in other buildings in the boiler room, boiler room fire resistance rating, .should not be lower than the secondary fire resistance rating; <br> 2 heavy tank, pump and oil heaters and light diesel fuel tank and pump rooms should belong to a class c production plant, its construction should not be lower than the secondary fire resistance .rating, the room layout within the auxiliary boiler room, you should set up a firewall and other room; <br> 3 gas regulator should belong to a category a production plant, its construction should not be lower than the secondary fire resistance rating, and .the surge of boiler room with adjacent rooms should be separated by a firewall and boiler house, its Windows and doors shall open outwards and should not directly leads to the boiler room, the floor should be can't produce fire huadiping. 15.1.2 boiler .room wall, floor or roof, explosion-proof measures should be appropriate and should have the equivalent of boiler room covers an area of 10 per cent of the pressure relief area, not toward the staff gathered in the direction of place, room and corridors, .nor shall pressure relief Office and these places adjacent. Underground boiler room vent with shaft, shaft's net the psoas, should meet the requirements of the pressure relief area. <br> When the relief area does not meet the above requirements, you can use in .the boiler room of interior wall and ceiling (ceiling) laying metal explosion pressure plate. <br> Note: the pressure area will glass, skylight, quality is less than or equal to 120kg/m2 of lightweight housing quality and weak walls area included. .15.1.3 fuel, gas boiler house boiler room and the adjacent secondary partition walls between rooms, partition for Firewall; open door on should be a class a fire door; toward the boiler operation surface direction of glass large observation Windows, should have a fixed .resistance ability. 15.2.2 motor, start the control device, lighting and wire type selection, and boiler house various buildings and structures adapted to the environmental classification. <br> Fuel, gas boiler house of the boiler rooms, gas regulator, fuel pump ., pulverized coal preparation rooms, crushing and conveying coal corridor, explosion and fire classification of hazardous areas, must comply with the existing national standards of the explosion and fire hazard environment design standard "GB 50058. 15.3.7 located in other buildings, fuel, .gas boilers, boiler room should be set independent of the exhaust system shall be explosion-proof ventilation, ventilation rate must meet the following requirements: 1 boiler room settings in the first floor, on the use of oil as fuel, its normal ACH per hour .should not be less than 3 times, accident ACH per hour must not be less dry 6 times; using gas as fuel, its normal ACH per hour should not be less than 6 times the number of accident per hour ventilation should not be less than 12 .times; 2 boiler house set in the semi basement underground or half its normal ACH per hour should not be less than 6 times the number of accident per hour ventilation should not be less than 12 times; 3 boiler house set in the ground floor or basement ., its ACH per hour should not be less than 12 times; 4 the amount of fresh air into the boiler room, must be greater than 3 times of the boiler room rate; 5 into the control room of the new amount of wind, and should .be big evaluates the operations staff. Note: rate does not include boiler combustion air volume required. 16.1.1 boiler emissions of atmospheric pollutants, and shall be consistent with existing national standards of the boiler air pollutant emission standards on CB 13271, the integrated atmospheric .pollutant emissions standards GB 16297 and location of the air pollutant emission standards. 16.2.1 is located in the city of boiler houses, its noise control should be consistent with existing national standards of the urban regional environmental noise standards GB 3096 requirements. <br> .Boiler room noise effects on plant community, should be consistent with existing national standards of the industrial enterprise factory noise standards "CB 12348. 16.3.1 boiler house emissions from all types of waste, should be consistent with theCurrent national emission standards for the sewage integrated ."GB 8978 and the surface water quality standards GB 3838 and shall meet the requirements of the receiving water system of the admission requirements. 18.2.6 condensation of steam heating system should be recycled, but there are strong corrosive substances heating of condensed water should not .be recycled. Heating tanks and poisonous substances of condensed water recycling, is strictly prohibited, and shall, after the treatment compliance. 18.3.12 heating pipes is strictly forbidden and transporting flammable, explosive, harmful, corrosive medium piping and transporting flammable liquids, flammable .gas, inert gas pipeline laying in the same trench. 27, the gas fire-extinguishing system design code GB50370-2005 3.1.4 two or more protective zone with combined distribution system, a combined distribution system protection protective area should not exceed 8. 3.1 ..5 combined distribution systems of fire extinguishing agent stocks, stocks in the greatest protection area. 3.1.15 the same protective area of prefabricated extinguishing system units with more than one table, you must be at the start, their action shall not be greater than .the corresponding time-2S. 3.1.16 single Sol prefabricated extinguishing system device protection volume should not be greater than 160m3; setting up multiple appliances, their mutual distance not greater than 10m. 3.2.7 protection zones should be set pressure relief, heptafluoropropane fire .extinguishing system for the pressure outlet should be located in the protection zone clear height of 2 / 3 or more. 3.2.9 spews fire protection district before venting openings should be can't extraoral themselves close. 3.3.1 heptafluoropropane fire-extinguishing system design .of fire extinguishing concentration should not be less than fire extinguishing concentration 1.3 inerting design concentration should not be less than the inerting concentration 1.1 times. 3.3.7 the communications room and computer room, protective zone, design spews time should not be greater than 8S protection .zone; the other, the design of the spray-and-drop time should not be greater than 10S. 3.3.16 heptafluoropropane fire extinguishing system nozzle pressure calculation results, should satisfy the following requirements: 1 level pressurized storage container system PC, â • .0.6Mpa (absolute pressure); supercharging storage container system PC, â • 0.7Mpa (absolute pressure); three-level system pressurized storage container PC, â • 0.8Mpa (absolute pressure). 2 PC, â • Mpa (absolute pressure) .Note: PC-nozzle pressure; Pm-process point storage containers of pressure (Mpa, absolute pressure) 3.4.1 IG541 mixed gas fire-extinguishing system design of fire extinguishing concentration should not be less than fire extinguishing concentration 1.3 inerting design concentration should not .be less than the fire extinguishing concentration 1.1 times. 3.4.3 when mixed gas fire extinguishing agent sprayed on to design the dosage of 95 per cent, it spews time should not be greater than the 60S, and should not be less than 48S. 3.5 ..1 Sol prefabricated design of fire-extinguishing system shall not be less than the fire extinguishing concentration of the concentration of 1.3 times. 3.5.5 the communications room, computer room, protective zone, fire extinguishing agent injection on time should not be greater than .the 90S, nozzle temperature should not exceed 150 ¬ ∞ c; the other protective zone, spray-and-drop time should not be greater than 120S, nozzle temperature should not be greater than 180 ¬ ∞. 4.1.3 storage installations of storage containers .and other components of nominal working pressure and should not be less than the maximum ambient temperature under the pressure of work. 4.1.4 in storage container or container valve, safety relief valve should be designed and pressure gauge. Portfolio allocation system header, you should .design for safety relief devices. Safety relief valve, the pressure of actions should be consistent with the appropriate design of a gas fire extinguishing system. 4.1.8 nozzle arrangement should meet after extinguishing spray placed in protective zone uniform distribution requirements. When a protection object .is combustible liquids, nozzle Jet direction should not be toward the surface of the liquid. 4.1.10 system components and pipe nominal working pressure and should not be less than the maximum ambient temperature under the pressure of work. 5.0.2 pipe fire suppression system .should be set to automatically control, manual control and mechanical emergency operation three boot method. Prefabricated extinguishing system should be set to automatically control and manual control in two ways. 5.0.4 fire design concentration or actual use of the concentration is greater than the concentration .of the toxic reactions (NOAEL concentration) of protection and use of Sol prefabricated extinguishing system of protection zones, should be manual and automatic control of switching device. When the officer enters the protection zones should be can't fire extinguishing system converted to manual control .mode; when staff leave, should be restored to the automatic control mode. Protection area and should be set manually, automatically control the status of display devices. 5.0.8 gas fire extinguishing systems, should meet national current fire technology standards; the use of .aerodynamic sources, you should ensure that the system operation and control of air pressure and need. Protection should be guaranteed within the 6.0.1 in 30S in evacuation completed channel and exports. The door of the protective zone 6.0.3 should evacuate direction on, .and be able to close the door for evacuation must be opened from the protection zone. Fire protection after 6.0.4 area should ventilate, underground and no form or supposes fixed sash of floor protection zones should be set mechanical ventilation devices, outlet yishe in the .lower part of the protection zone and should pass through outdoor. Communications room, computer room and other places of times of the ventilation should not be less than 5 times per hour. 6.0.6 after potentially explosive atmospheres and the transmission and distribution facilities, and .housed in a pipe network more places for metal box, etc., should be fortified electrostatic grounding. Some people work protection zone 6.0.7 fire design concentration or actual use of the concentration, should not be greater than the concentration of a toxic reaction ( .LOAEL concentration), this value should be consistent with the requirements of the normative appendix G. 6.0.8 protection area of prefabricated extinguishing system of filling pressure should not be greater than 2.5Mpa. 6.0.10 Sol fire extinguishing system appliance vents in the front ., appliance 1.0m back, side, top, and should not be set up within the 0.20m or storage device, apparatus, etc..

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