Thursday, December 23, 2010
Weak current College】 【go; water supply and drainage and HVAC common specifications in the mandatory provisions of the rollup 8 --- Power By】 【China power house network.
<br> 18. the high-rise construction design fire protection standard "GB50045-95 (2005 Edition) section 4.1.2 of fuel or gas-fired boilers, oil-immersed power transformers, filled with high-voltage capacitor can fuel and oil .switch, etc. should be set in high-rise building of private rooms. When the device is unconditional and stick-o-layout of high-rise building, you should set the fire resistance rating of not less than level 2 of the building, .and should be separated by a firewall and tall buildings, and should not be posted o-personnel-intensive sites. When the device is unconditional required layout in high-rise building, should not be arranged in the personnel-intensive sites on a layer, .the next layer or adjacent, and should meet the following requirements: section 4.1.2.1 of fuel and gas boiler room, the transformer room should be arranged in the building of the first floor or basement rely on external sites, but often (negative) pressure .fuel, gas-fired boilers can be set on the second floor of the ground; when often (negative) pressure gas boiler room away from the safe distance greater than 6.00m export, you can set on the roof. Relative density (and air density .ratio) is greater than or equal to 0.75 combustible gas as fuel for boilers, should not be set in the basement of a building or a half basement; the boiler room, section 4.1.2.2 transformer room door shall, through the export of outdoor or .pass-through security; walls of doors, Windows, etc opening area above should set a width of not less than the non-burning body 1.0m fire cornice or height not less than 1.20m of sills wall; the section 4.1.2.3 of boiler .room, the transformer room and the other parts should be used between the fire resistance is not lower than the non-burning body 2.00h partition walls and the floor 1.50h. On the wall and floor should not be opened entrance; when you must partition .the doors and Windows, you should set the fire resistance rating of not less than the fire doors and 1.20h; the section 4.1.2.4 is set when the boiler room of oil, its total stocks should not be greater than 1.00m3 and oil companies .should use firewall and boiler interval open; when you must open on the firewall, you should set a fire door; the section 4.1.2.5 transformer room, the transformer room and distribution Chamber, should be not less than the fire resistance of nonflammable 2.00h .wall separated; the section 4.1.2.6 oil-immersed power transformers, many oil switch rooms, high-voltage capacitor room should be set to prevent oil dispersed facilities. Oil-immersed power transformer the following should be set to store all the transformer oil facility .reservoir accident; section 4.1.2.7, the capacity of the boiler should be consistent with existing national standards of the boiler room design code GB50041. Oil-immersed power transformer should not be greater than capacity, single size 1260KVA should not be greater than the first .section 4.1.2.8 630KVA; set fire alarm equipment and halon fire-extinguishing system outside automatic; the 4.1.2.9 shall gas, fuel oil boiler house explosion pressure relief facilities should be set and a separate ventilation system. Using gas as fuel, the ventilation .capacity not less than 6 times / h, accident frequency ventilation is not less than 12 times / h; the use of oil as fuel, the ventilation capacity not less than 3 / h ventilation capacity, accident not less than 6 times / h. Section .4.1.3 of the diesel generator room layout in high-rise buildings and podium, should satisfy the following requirements: section 4.1.3.1 bar can be arranged at the first floor of a building or on the first and second tier, should not be arranged .in three layers and below ground. Diesel engines should be not less than 55 ℃; the 4.1.3.2 bar should be not less than the fire resistance of partition wall and 2.00h 1.50h 's floor and separated from other parts of the door should be grade .-a fire door, 4.1.3.3 bar room should have storage rooms, the total storage volume should not exceed demand, and 8.00h oil between firewall and generator interval open; when you must open on the firewall, you should set will automatically close in .category a fire door, 4.1.3.4 should set the automatic fire alarm system and Halon 1211, 1301 automatic fire extinguishing system outside. The 4.1.5A article high-rise building in dance halls, karaoke Hall (included with karaoke function restaurant), night .club, ring, show rooms, sauna (in addition to bath section), game Hall (including electronic entertainment Hall), Internet Cafe, dance installstion (hereinafter referred to as dance installstion), should be set at the first floor or the second and .third level should be set by external walls; and should not be arranged in a bag-shaped both sides of the aisle and end, which has a maximum capacity of the Office show as the ring, was 1.0/m2, other places 0.5/m2 .calculation, area press room area calculation; and should be not less than the fire resistance of partition wall and 2.00h 1.00h 's floor and separated from other places, the door when the wall must not be set lower than class b fire doors. When you .have to set the other floors, yet should satisfy the following requirements: 4.1.5A .. 1 article should not be set on the second floor and ground floor two-story, set in the ground floor, the basement floor and outdoor entrance floor- .height difference should not be greater than 10m; 4.1.5A .. 2 a Hall, room area should not exceed 200m2; 4.1.5A .. 3 a Hall, Chamber of exporters should not be less than two, when a Hall, room area .is less than 50m2, you can set an export; the 4.1.5A .. 4 set the automatic fire alarm systems and automatic sprinkler system. The 4.1.5A .. 5 should be set for smoke, smoke extraction facilities, and in conformity with .the relevant provisions of the present specification. The 4.1.5A .. 6 evacuation walkways and other primary evacuation route from the ground or the wall close to the ground, you should set the luminescent evacuation signs. The 4.1.5B underground shops should satisfy the .following requirements: the Hall is set in article 4.1.5B.1 in three-layer and three levels of the following: the first clause operate 4.1.5B.2 should not and the fire risk is a stockpile, CPI goods stored goods properties; .the 4.1.5B.3 bar should be set for automatic fire alarm systems and automatic sprinkler system; the article when Shop 4.1.5B.4 total building area is greater than 20000m2 should be delimited by using a firewall and the firewall shall open door and .window openings; the 4.1.5B.5 be fortified to smoke, smoke extraction facilities and should be consistent with the relevant requirements of this specification; the 4.1.5B.6 of evacuation walkways and other primary evacuation route from the ground or the wall close .to the ground, you should set the luminescent evacuation signs. The first section sets the 4.1.12 building boiler, diesel generator, its fuel supply pipeline should satisfy the following requirements: section 4.1.12.1 bar should enter the buildings and equipment room set up .automatic and manual shut-off valve; the 4.1.12.2 bar oil storage tank should be enclosed between, and should be set to the outdoor snorkel, ventilation tube should be set with arrestor breathing valve. The lower portion of the tank should be set to .prevent oil dispersed facilities. Section 4.1.12.3 bar fuel supply piping installation should be consistent with existing national standards of the town gas design code GB50028 requirements. 7.4.2 fire risers, should guarantee the same floor of the adjacent two fire hydrant water nozzles full .while achieving the protected range of any part. Each root diameter fire risers shall be calculated by the flow, but should not be less than 100mm. The following situation, when the set of two fire risers have difficulties, you can set a vertical tube, .but must use the double-valve double-oriented fire hydrant. 1-18 and 18-storeyed below; 2 18 floors and 18 layer following, each layer does not exceed 8 families, building area of not more than 650 sqm Tower House. 7.4 ..6 no fuel device layer, high-rise buildings and podium of the layer should be set, and indoor hydrant shall conform to the following: 7.4.6.1 fire hydrant should be located near the stairs in the aisle, and so clearly accessible locations, .fire hydrant spacing should ensure that any part of the same layer has two full water column of water gun fire hydrant at arrival. The water gun enrich 7.4.6.2 fire hydrant water column should be determined by calculations, and building height not exceeding · adjustment high .-rise buildings should not be less than 10m; building height not exceeding 100m high-rise buildings should not be less than 13m. Temporary high pressure water supply system 7.4.6.7 each hydrant Office should be located directly on the button to start the fire pump .and should be equipped with the facilities of the protection of the button. 7.4.6.8 fire elevator room should be set before the fire hydrant. 7.6.1 building height exceeding 100m high-rise buildings and its annex, in addition to swimming and skating rink ., a building area of less than 5.00 sqm bathroom, no central air conditioning and apartment category fire door of residential indoor room and not the water used to extinguish the parts should be set for automatic sprinkler system. 7.6.2 building height not exceeding 100m class .high-rise buildings and its annex, in addition to the swimming pool, skating rink, a building area of less than 5.00 sqm bathroom, ordinary housing, residential central air conditioning for indoor use and should not be used where water fight, shall set up .an automatic sprinkler system. 7.6.3 second class senior public building in the following areas should be set for automatic sprinkler system: 7.6.3.1 public activities rooms; 7.6.3.2 aisle, offices and rooms of the hotel; the bottom of the escalator 7.6 ..3.3; 7.6.3.4 combustible materials warehouse. 7.6.4 high-rise buildings of dance installstion, air-conditioned rooms, Public restaurant, public kitchens, and often someone stay or fuel more basements, half basement rooms, etc., should be .set for automatic sprinkler system. 19. the automatic sprinkler system design code GB50084-2001 (2005 Edition) 5.0.1 civil buildings and industrial plant design parameters of the system should not be lower than sheet 5.0.1. Table 5.0.1 civil buildings .and industrial plants of system design parameters for fire danger rating clearance height (m)-Jet strength (L / min · m2) function area (m2) light hazard level ≤ 84160 risk grade Ⅱ Ⅰ -6-8 grave danger level grade ⅱ Ⅰ .-12260 16 Note: most negative point the nozzle pressure should not be lower than 0.05MPa. 5.0.1A non-warehouse class big clearance sites set up automatic sprinkler systems, wet system design elementary parameter should not be lower than sheet 5.0.1A. .Table 5.0.1 non-warehouse class big clearance space system design elementary parameters applicable places clearance height (m)-Jet strength (L / min · m2) function area (m2) nozzle selection nozzle maximum spacing (m) of the Atrium, theatres ., concert halls, single-function Stadium and other 8 ~ 126260K = 803 Exhibition Center, multifunctional Sports Centre, supermarkets, etc. 8 ~ 1212300K = 115 Note: 1 nozzle splash plate and roof distance should be consistent with the provisions of section 7.1. .3. 2 maximum storage height exceeding 3.5m of cash-and-carry should 16L/min · m2 determine sprinkler strength. 3 table "~" on the left side of the data, to the right side of the "greater than" and " .Max ". 5.0.5 sets the sprinkler system of the warehouse, the system design specifications should meet the following requirements: 1 stacking storage warehouse should not be lower than sheet 5.0.5-5.0.5-1, table 2; 2 shelf storage .warehouse should not be lower than sheet 5.0.5-5.0.5-table 3-5; 3 when Ⅰ ⅱ, mixed storage in the warehouse of class warehouse goods should not be lower than sheet 5.0.5-6. 4 rack storage warehouses .should use steel rack, and should be transparent laminate, plywood parts of area in a transparent and should not be less than 50 per cent of the total plywood. 5 using wooden shelf and use a sealed laminate shelves for warehouses, stacking storage warehouse design. .Table 5.0.5-1 stacking storage warehouse system design of the basic parameters of fire danger rating storage height (m)-Jet strength (L / min · m2) function area (m2) continuous water injection time (h) the risk-level .Ⅰ-class warehouse 3.0 ~ 3.581601.03.5 ~ 4.582001.54.5 ~ 6.0106.0 ~ 7.514 warehouse dangerous-ⅱ 3.0 ~ 3.5102002.03.5 ~ 4.5124.5 ~ 6.0166.0 ~ 7.522 Note: this table and table 3, table 5.0.5 .-5.0.5-5, suitable for indoor maximum headroom 9.0 m warehouse. Table 5.0.5-2 classification of class of stacking storage warehouse system design elementary parameter maximum storage height (m) maximum clearance height (m) injectionWater strength (L / .min · m2) ABCD1.57.58.03.54.516.016.012.012.06.024.522.020.516.59.532.528.524.518.54.56.020.518.516.512.07.532.528.524.518.56.07.524.522.518.514.59.036.534.528.522.57.59.030.528. .522.518.5 Note: 1 A-bag with no packaging foam plastics and rubber; B-tank foam plastics and rubber; C-boxes and bags not foam plastics and rubber; D-unpackaged not foam plastics and rubber. 2 role in the area .should not be less than 240m2. Table 5.0.5-3 single-, double-row shelf storage warehouse system design of the basic parameters of fire danger rating storage height (m)-Jet strength (L / min · m2) function area ( .m2) continuous water injection time (h) the risk-level Ⅰ-class warehouse 3.0 ~ 3.582001.53.5 ~ 4.5124.5 ~ 6.018 warehouse dangerous-ⅱ 3.0 ~ 3.5122401.53.5 ~ 4.5152802.0 table 5.0.5-4 row shelf storage .warehouse system design of the basic parameters of fire danger rating storage height (m)-Jet strength (L / min · m2) function area (m2) continuous water injection time (h) the risk-level Ⅰ-class warehouse 3.5 ~ 4.5122001. .54.5 ~ 6.0186.0 ~ 7.512 + 1J warehouse dangerous-ⅱ 3.0 ~ 3.5122001.53.5 ~ 4.5182.04.5 ~ 6.012 + 1J6.0 ~ 7.512 + 2J table 5.0.5-5 shelf storage class warehouse system design elementary parameter ordinal indoor maximum height .(m) height of the shelve type storage (m) goods top above the clearance (m) under the nozzle spray roof strength (L / min · m2) shelf built-in shower floors height (m) flow coefficient 1-single-, .double-row 3.0 ~ 6.0 "1.524.5 ---- 2 ≤ 6.5 single-, double-row 3.0 ~ 4.5-18.0--3-single, double and multiple-row 3.0" 1.512.0 --- 4-single ., double and multiple-row 3.01.5 ~ 3.018.0 - 5-single, double and multiple-row 3.0 ~ 4.51.5 ~ 3.012.013.0806-single, double and multiple-row 4.5 ~ 6.0 "1.524.5 - .- 7 ≤ 8.0 single, double and multiple-row 4.5 ~ 6.0-24.5--8-single, double and multiple-row 4.5 ~ 6.01.5 ~ 3.018.013.0809-single, double and multiple-row 6.0 ~ 7.5 "1.518 ..514.511510 ≤ 9.0 single, double and multiple-row 6.0 ~ 7.5-32.5-- Note: 1 continuous spray should not be lower than 2h, role area should not be less than 200m2. 2 serial number 5 and number 8: shelf in .a row, shelf built sprinkler nozzle spacing should not be greater than 3.0m; sets two rows or more rows of shelves built-in nozzle, spray nozzle spacing should not be greater than 3.0 × 2.4 (m) 3 No. 9: set a .row within the rack shelf built-in nozzle, spray nozzle spacing should not be greater than 2.4m; sets two rows or more rows of shelves built-in nozzle, spray nozzle spacing should not be greater than 2.4 × 2.4 (m). 4 .set the two rows and the number of rows of shelves built-in nozzle, spray nozzle should be staggered arrangement. 5 shelves built-in minimum working pressure nozzles should not be lower than 0.1MPa. 6 table letter "J" represents the shelf in .the nozzle, the "J" digital representation in front of the shelf number of layers in the nozzle. Table 5.0.5-6 hybrid storage warehouse system design of the basic parameters of commodity storage mode storage height (m) maximum clearance height (m .)-Jet strength (L / min · m2) function area (m2) continuous water injection time (h) storage include asphalt products or tank A group plastic rubber stacking shelves ≤ 1.59.081601.51.5 ~ 3.04.5122402.01.5 ~ 3.06. .0162402.03.0 ~ 3.55.0 stacking 3.0 ~ 3.58.0162402.0 shelf 1.5 ~ 3.59.08 + 1J1602.0 storage bag included in A group of plastics and rubber stacking shelves ≤ 1.59.081601.51.5 ~ 3.04.5162402.03.0 ~ 3.55. .0 stacking 1.5 ~ 2.59.0162402.0 storage bags not included in A set of plastic foam rubber stacking shelves 1.5 ~ 3.06.0162402.0 storage includes A set of plastic bags and foamed rubber shelves 1.5 ~ 3.06.08 + 1J1602.0 storage includes tire or paper .stacking shelves 1.5 ~ 3.59.0122402.0 notes: 1 no packaging plastic rubber with paper bags, plastic bags and packaging. 2 shelves built-in nozzle should be used and under the same roof of water sprinkler, water use intensity should open 6 nozzle. Inhibition .by early 5.0.6 warehouse esfr basic parameters of the system design should not be lower than sheet 5.0.6. Table 5.0.6 warehouse using early suppression fast response nozzle system design elementary parameter storage category maximum clearance height (m) maximum storage height ( .m) nozzle flow coefficient K nozzle maximum spacing (m) of area open nozzle (only) nozzle minimum working pressure (MPa) Ⅰ Ⅱ-grade level, and asphalt products, tank not foam plastic bags not foamed plastic 9.07.52003.7120.353600.1010. .59.02003.0120.503600.1512.010.5200120.503600.2013.512.0360120.30 9.07.52003.7120.352400.259.07.5200120.402400.3012.010.52003.0120.502400.35 tank foam plasticMaterial 9.07.52003.7120.359.57.5200120.402400.30 Note: rapid response early suppression nozzles protection max height range, .if there are racks for permeability laminates. 5.0.7 racking storage warehouse Max Headroom or maximum storage height exceed this specification table 5.0.5-5.0.5-1 ~ table 6 and table 5.0.6, should be established the shelve built-in .shower. To play from the ground at the height of each 4m layer of racking built-in set the nozzle. When the nozzle flow coefficient K = 80, the working pressure must not be less than 0.20MPa; when K = 115, the working .pressure must not be less than 0.10MPa. Nozzle spacing should not be greater than 3m, nor less than 2m. Calculate the number of nozzle should be not less than the table 5.0.7. Shelf above the layer built into the nozzle plate should be .real interval laminate. Table within open nozzle 5.0.7 shelf warehouse dangerous level shelf number built-in main storeys Ⅰ 12> 2 61214 Ⅱ 814 Ⅲ 106.2.7 connection alarm valve control valve of imports and exports should be used in signal valve. When .no signal valve, control valve should be set to lock valve position locks. 6.5.1 each alarm valve group control of most disadvantageous nozzle, should be set eqnipment, other fire partitions, floors should be located with a diameter of 25 test water valve. .Eqnipment and test water valve should be easy, and should have adequate drainage capacity of drainage. 7.1.3 in addition to ceiling sprinkler and suspended ceiling installation of sprinklers, vertical-type, hanging-type standard nozzle, the splash plate and roof distance should .not be less than 75mm, should not be greater than 150mm. 1 when beams or other obstructions bottom below the plane layout nozzle, the splash plate and roof should not be greater than the distance, while at the same time 300mm splash plate and beams, .the underside of the vertical distance from the obstacle should not be less than 25mm, should not be greater than 100mm. 2 when the beams between the layout of the nozzle should conform to the specification section 7.2.1. There are difficulties, splash plate and .roof distance should not be greater than 550mm. Beam layout of nozzle, spray nozzle splash plate and roof distance reached 550mm 7.2.1 still does not comply with the provisions, should the underside of the beam of additional nozzle below. 3 ribbed slab below the .nozzle, the splash plate with ribbed plate bottom surface of the vertical distance, should not be less than 25mm, should not be greater than 100mm. 4 clearance height not exceeding 8m place, spacing of not more than 4 × 4 (m) layout of .the cross beam, girder furnished 1 nozzle, but still should conform to the strength of Jet table 5.0.1. 8.0.2 with water pipes should be used in hot-dip galvanized steel pipe inside and outside the wall or in line with existing national .or industry standards, and at the same time meet the specifications of the coating 1.0.4 other anticorrosion materials steel, and brass, stainless steel tube. When the alarm valve inlet pipes not before anti-corrosion of steel pipe, the end of this pipe .set filter. 10.3.2 no high fire water tank of the building, the system should be set pressure water supply equipment. Pressure water supply equipment for effective water volume should be at most a small gain system 4 only minimum working pressure nozzles in the water .consumption under. 10min Dry system, preaction system settings pressure water supply device, should also meet the distribution requirements of water filling. 12.0.1 local application systems for indoor maximum clearance height not exceeding 8m of civil architecture, local settings and the protection of regions .with a total construction area of not more than 1000m2 of wet system. In addition to the provisions of this chapter, the local application systems still should be consistent with this specification, the relevant provisions of the other chapters. 12.0.2 local applications should use .the quick response sprinklers, water jet strength should not be lower than 6L/min, continuous spray · m2 time should not be lower than 0.5h. 12.0.3 topical system protection area of the room and corridors should lay out the nozzle. Nozzle selection ., layout and press open nozzle number determines the role area, should satisfy the following requirements: 1 a flow coefficient K = 80 quick response sprinklers systems, sprinkler layout should be consistent with the level of risk class Ⅰ place of effect size should be consistent with .the requirements of the table 12.0.3. Table 12.0.3 local application system uses flow coefficient K = 80 rapid response when the role of the head area of the protection zone with a total construction area and hall room construction area open nozzle number protection zone .with a total construction area of more than 300m2 or most hall room floor space exceeding 300m210 protection zone with a total construction area of not more than 300 m2, building area of most Hall does not exceed the maximum Hall indoor nozzle 200m28 is less than 6 is .greater than the number 2 Hall indoor shower only most Hall indoor shower only 52 takes less than 3 K = 115 rapid response extended coverage nozzle system, same with water pipes on the maximum distance between the nozzle and the adjacent water distribution pipes of maximum spacing, .square arrangement should not be greater than the length of the rectangle layout 4.4m side should not be greater than 4.6m, nozzle to wall should not be greater than the distance, the role of area should 2.2m by open nozzle only of not less than .6..
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