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GB 19379-2012 English PDF

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GB 19379-2012: Hygienic specification for rural household latrine
Status: Valid

GB 19379: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 19379-2012	349	Add to Cart	3 days	Hygienic specification for rural household latrine	Valid
GB 19379-2003	439	Add to Cart	4 days	Hygienic standard for rural household latrine	Obsolete

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GB/T 18204.6 GB/T 18204.3 GB/T 18883 GB/T 11730 GB/T 17216

Basic data

Standard ID: GB 19379-2012 (GB19379-2012)
Description (Translated English): Hygienic specification for rural household latrine
Sector / Industry: National Standard
Classification of Chinese Standard: C51
Classification of International Standard: 13.020
Word Count Estimation: 15,144
Older Standard (superseded by this standard): GB 19379-2003
Quoted Standard: GB 7959; HJ 534
Regulation (derived from): National Standards Bulletin No. 31 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Chinese standard specifies the requirements of rural household toilet sanitation and hygiene evaluation methods. This standard applies to the rural household toilet in the planning, design, construction, management and health supervision and monitori

GB 19379-2012: Hygienic specification for rural household latrine

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Hygienic specification for rural household latrine ICS 13.020 C51 National Standards of People's Republic of China Replacing GB 19379-2003 Rural household toilet hygiene practices Issued on. 2012-11-20 2013-05-01 implementation People's Republic of China Ministry of Health Standardization Administration of China released

Foreword

All the technical contents of this standard is mandatory. This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB 19379-2003 "rural household toilet hygiene standards." This standard compared with GB 19379-2003 main changes are as follows. --- According to GB/T 1.1-2009 "Standardization Guide Part 1. Structure and rules are written standard" structural adjustment; --- Delete the contents of the rural household toilet grading; --- Put forward the concept of "harmless sanitary latrines," the; --- Emphasis on the basic requirements for toilet functions, reducing rural household toilet comfort index difficult to achieve; --- According to architectural features, construction type and the attached proposed independent structure of rural household toilet hygiene requirements; --- According to the practical application of the toilet reservoir type rural household toilet pits classification; --- Clear responsibility toilet household sector managers obligations and health surveillance; --- Added Appendix all kinds of harmless sanitary latrines structure. This standard is proposed and administered by the People's Republic of China Ministry of Health and the National Patriotic Health Campaign Committee. This standard is drafted by. China Center for Disease Control Environmental Health and Related Product Safety. Participated in the drafting of this standard. Disease Prevention and Control Center of Henan Province, Sichuan Province Disease Prevention and Control Center, Liaoning Province, disease prevention and control Centre, Ministry of Agriculture, Institute of biogas, disease prevention and control center in Hubei Province, Chongqing Municipal Center for Disease Control and Prevention, Chinese Center for Disease Control and Prevention Rural Water Supply Technical Guidance Center, Fuyang City Patriotic Health Campaign Committee Office. The main drafters of this standard. Wang Jun onwards, Zhang sector, Pan Lijun, Sun Fengying, Wangyou Bin, Ji Zhongyi, Tianhong Chun Zheng election, Konglin flood, Hongyan Feng, Fu Yanfen, Wang Baoli, Han Keqin, Wang Xinli, Li Nailin, Pan Shunchang. Rural household toilet hygiene practices

1 Scope

This standard specifies the requirements of rural household toilet hygiene and health evaluation method. This standard applies to rural household toilet planning, design, construction, management and health supervision and monitoring.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 7959 fecal harmless hygiene requirements Determination of sodium hypochlorite HJ534 ambient air ammonia - acid spectrophotometric method

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Household toilet householdlatrine For family members to use the toilet place by the toilet house, toilet, storage pits and other components. Household toilet built into the formula attached and detached household toilet, built in live Inside the residence built for attachment Indoor toilet, built in residential living space outside freestanding household toilet. 3.2 Harmless sanitary latrines innocuous-sanitarylatrine Used in accordance with regulatory requirements, have effectively reduce fecal sanitation causative agent of infectious biological facilities, including three grid septic Pool toilet, double urn funnel toilets, three toilets Unicom digesters, urine directing toilets, double alternating pit latrines and a complete sewer Systems and sewage treatment facilities flush toilets. 3.3 Window to area ratio ratioofglazingtofloorarea The effective area of the transparent window (Aw) and the indoor ground area (Af) ratio (Aw/Af).

4 health requirements

4.1 Building toilet hygiene requirements 4.1.1 Accessorily Built household toilet. Preferred three grid septic tank (see Appendix A), double urn funnel (see Appendix B), China Unicom three digesters formula (see Appendix C) And having a water and sewage system, flush toilets (see Appendix D) and should be used with water-saving toilet flushing (see Appendix D). Attached to build latrines buildings should meet the health requirements of Table 1. Table 1 attached toilet building construction type household hygiene requirements No. Item Requirements 1 toilet house area/m2 ≥1.2 2 toilet windows, doors with ventilation, anti-mosquito measures 3 artificial lighting/lx ≥40 4 natural ventilation or mechanical ventilation (ventilation frequency meet 6 times/h)

5 toilet

Ceramic bedpan or Pissing; toilet height 350mm; Facilities should be set up for men to urinate 6 Hand-washing facilities should be set up hand-washing facilities 4.1.2 freestanding household toilet, should be built in the courtyard, ease of use and management; toilet inside the house floor height should be at least above the courtyard floor 100mm, to Prevent rainwater flooded. Its construction should meet the health requirements of Table 2. Table 2 freestanding building household toilet hygiene requirements No. Item Requirements 1 toilet house clear height/m ≥2.00 2 toilet area house/m2 ≥1.20 3 artificial lighting/lx ≥40 4 toilet windows, doors with ventilation, anti-mosquito measures 5 toilet roof rain, light body, the flow of rain water does not enter the storage pits

6 ventilation exhaust fan louvers or other mechanical ventilation

7 exhaust pipe up toilet house 50cm, should have proofing measures

8 toilet house hardened ground

9 toilet

Ceramics and other sturdy material should clean the bedpan, Squat; Pissing length should not be too short, it should meet the needs of the stool collection (recommendations about 50cm); Facilities should be set up for men to urinate 10 storage pits closed, no leakage, volume requirements in line with similar patterns toilet 11 health facilities and other toilet lid or seal airtight facilities, special cleaning tool, let go Sheng paper containers, etc. 12 hand-washing facilities Into the soil pipe slope ≥1 13 through manure storage pits and slope toilet connected/5 4.1.3 should be adapted to local conditions from three grid septic tank, double-urn, three Unicom digester type, manure diversity and alternating double pit toilets Select the mode of rural household toilet, storage pits type See Appendix A, Appendix B, Appendix C, Appendix E, Appendix F. Toilet prohibit the design, construction feces directly into water bodies; 4.1.4 prohibit designed, constructed using human feces feeding livestock, poultry, fish, household toilet models The; stool prior to use directly into the toilet water body should deadline transformation. 4.1.5 In endemic areas of schistosomiasis and intestinal infectious disease-prone areas, prohibiting the use of digester design or biogas slurry can be taken at any time freely Overflow discharge mode; prohibited residue, biogas slurry for breeding; prohibiting direct discharges to water bodies fecal sewage. 4.1.6 household toilet design, construction should choose fecal sewage and sewage diversion mode, set the house toilet facilities should avoid bathing water Into storage pits. Communication with the sewer water seal should be set. 4.1.7 In cold areas, storage pits, toilet, flush with water storage facilities should take appropriate insulation measures. Prefabricated storage pits 4.1.8 scale use toilet facilities and the construction of latrines and other main material, the quality should be identified. 4.2 hygiene standards toilet hygiene and value of excreta disposal Household toilet stool with treatment effect should be consistent with the requirements in Table 3. Table 3 toilet hygiene and sanitary conditions of excreta disposal No. Item hygiene standard value 1 adult flies/Only 0 2 maggot/tail 0 3 odor intensity/level ≤2 4 Ammonia (NH3)/(mg/m3) ≤0.3 5 window to area ratio ≥1/8

6 fecal coliform values

Wet facilities > 10-4 Dry facilities > 10-2

7 not detected Salmonella

Wet storage pits Ascaris sedimentation rate /% Dry storage pits Ascaris mortality /% ≥95

9 schistosome eggs can not be detected in live eggs

4.3 toilet management and maintenance of hygiene requirements 4.3.1 Keep the house clean toilet, toilet room floor no water, no garbage; no toilet droppings trace urine dirt, debris. 4.3.2 Indoor attached build water storage facilities shall be provided inside the toilet, water containers, basket and cleaning tool, in order to maintain the cleanliness of household toilet. 4.3.3 double urn urn toilet storage pits, three formats septic tank toilet reservoir of liquid manure pits third grid should be timely Qingtao. 4.3.4 manure storage pits skin, fecal residue and biogas digesters, and must be regularly Qingtao high temperature composting, high reach GB 7959 Warm compost hygiene standards. 4.3.5 Rural household toilet should be required to use and regular maintenance. 5 supervision, technical guidance 5.1 health facilities in rural household toilet in the planning, design, supervision and technical guidance. 5.2 rural households have sanitation management obligations.

6 test method

6.1 odor intensity Four odor intensity method, as shown in Table 4 execution. Table-level odor intensity and 44 criteria Level determining odor

1 odorless

2 feel the odor (threshold)

3 distinct odor sensation

4 strong odor

6.2 Determination of the concentration of ammonia Performed in HJ534 standards. 6.3 fecal coliform value, salmonella, Ascaris, hookworm eggs, schistosome eggs, mosquitoes densitometry According to the relevant requirements of GB 7959 implementation.

Appendix A

(Normative) Three grid septic tank toilets A.1 Basic Structure Three-cell septic tank toilets toilet by the house, squatting (take) the composition of the toilet, flushing equipment, three grid septic tanks and other parts. A.2 architectural design requirements A.2.1 three grid septic tank volume ≥1.5m3; 1,2,3 cell volume ratio principle 2.1.3; lack of the second tank can be increased to 50cm width 50cm. Three grid septic tank storing manure effective time, the first pool of not less than 20d, the second tank is not less than 10d, the third principle requires a pool, And the effective time of the two pools. The same depth A.2.2 three grid pool, not less than 1200mm; northern region should be considered to determine the local frozen layer thickness deep pool. A.2.3 defecation pipe. pipe wall should be smooth, diameter ≥100mm, should be avoided as much as possible to reduce the length and bend. Dung into the upper end of the tube By closely connected toilet mouth, the lower end of the first outlet outside the pool wall around 5cm. A.2.4 through the soil pipe. requires selection of the inner diameter of 100mm smooth wall pipe, set to "I" or inverted "L" type; a connection pool to two pools of manure over Tube inlet should be in the first third of the pool wall, a second overflow outlet should be kept in the pool from the pool edge at least 100mm; two pools of three pools Through the soil pipe inlet may be at one-third or one-half of the second wall of the pool, the same pool overflow port to two pools of manure over the tube. A pool to two pools Through the soil pipe with two pools of three pools had fecal tube can be staggered installation. A.2.5 defecation tube, pipe installation location should be staggered over the manure and to maintain a certain distance. There must be one, two, and three pools maintenance holes and seal plate shall be affixed on A.2.6 Sange pool cover. A.2.7 exhaust pipe. should be installed in the first tank exhaust pipe, round diameter 100mm, square area of not less than 225cm2, above the toilet house 500mm or more, plus rain (flies, wind) caps. A.3 Health Management A.3.1 Septic confirmed no leakage can be put into use. A.3.2 septic tank put into operation, the first water tank to the first tank through fecal immersion nozzle. A.3.3 prohibit access to a liquid manure fertilization, two pools; the ban two, three pools of fresh manure into the liquid; avoid sewage flowing into the storage pits. A.3.4 should prevent paper debris will be thrown into the septic tank. A.3.5 by 4.3 toilet management and maintenance of hygiene requirements management.

Appendix B

(Normative) Double-urn latrines B.1 basic structure The toilet house, funnel-shaped toilet, urn-shaped storage pits and other components. B.2 architectural design requirements B.2.1 before and after the bog was urn-shaped, small middle big mouth, can be brick and concrete masonry, concrete or other building materials may also be preformed after installation. B.2.2 ago urn. urn urn before the middle of the inner diameter of the body shall not be less than 800mm, urn body upper opening diameter of not less than 360mm, the inner diameter of the bottom of the body is not jar Smaller than 450mm, before the urn urns deep not less than 1500mm. When determining the effective volume before the urn, according to family size and the number of feces Excretion, rinse funnel water [southern regions by 3L/(person-days); northern regions by 2L/(person-days)], with 1/3 of the total volume of water before And the amount of calculation is required to be stored stool former urn 30d above. B.2.3 After urn. inner diameter of the central body urn urn after not less than 900mm, urn body upper opening diameter of not less than 360mm, the inner diameter of the bottom of the body is not jar Smaller than 450mm. Deep urn urn after not less than 1650mm. After determining the volume when the urn, according to local fertilizer habits. B.2.4 three urn storage pits. You can increase the body on the basis of a double urn urn-storage pits on the formation before, during and after three urn body, will claim stool The former shall, urns stored in 30d above, other requirements with double urn latrines. B.2.5 through the soil pipe. to use plastic, cement and other fittings required smooth wall, an inner diameter of 120mm, a length according to the actual needs It is, generally 550mm ~ 600mm. Installation Requirements B.2.6 funnel toilet. the toilet should be placed urn funnel catchy front, closely connected with the urn body but not fixing to die, in order to facilitate Clear urn before feces and fecal residue. B.2.7 through the soil pipe installation. through the soil pipe requirements attached to the front end before the end of the urn urn from 550mm at the front end wall extending urn should not exceed 50mm; Urn urn from the bottom of the upper rear of 110mm at the rear end attached to the rear. B.2.8 should be stamped with the seal of non-mouth funnel funnel or hemp toilet brush vertebral tight funnel with a time away, after using stamped or vertebral tight. B.2.9 After catchy urn should be higher than 100mm above the floor, stamped and sealed. B.2.10 exhaust pipe. urn can be mounted on the front exhaust pipe catchy, hard plastic tube diameter of 100mm, and its length than toilet 500mm ~ 1000mm. B.3 Health Management After B.3.1 double urn latrines built, should be added to the water leakage test, it can be put into operation after determining no leakage. B.3.2 double-urn latrines before you enable, add water urn shall forward to the urn before immersion nozzle through manure. B.3.3 ban back into the urn of fresh liquid manure and other debris, prohibit access to liquid manure fertilization before the urn. B.3.4 regularly checked soil pipe is blocked, blocking should be clear. B.3.5 by 4.3 toilet management and maintenance of hygiene requirements management.

Appendix C

(Normative) Unicom three biogas toilets C.1 basic structure Triple by the biogas digester toilets, latrines and animal building composition (see Figure C.1 and C.2). Figure C.1 digesters, animal building toilets and layout and schematic connection Figure C.2 triple digesters toilet floorplan C.2 architectural design requirements C.2.1 three Unicom biogas latrines built toilet with built pool should work simultaneously, digester type selection and design, construction, quality inspection can Referring to GB/T 4750, GB/T 4752 and GB/T 4751 standard. C.2.2 into manure (feed) and the fecal oral (feed) should cover the mouth, human, animal excrement shall not bare; toilet house, the construction of livestock pens, quality, and management requirements Senate According to NY/T 1639 in Chuqin provisions toilet execution. C.2.3 schistosomiasis endemic regions, intestinal parasites, a high incidence of intestinal infectious diseases, do not use removable slurry at any time (a random manual Material), biogas random overflow discharge, the electric pump sludge reflux agitation or bottom discharge design patterns should be the middle of the feeding method. Biogas Pool fermentation process and manage reference GB 9958 execution. C.2.4 feces biogas digestion tanks to maintain a residence time of at least 45d. C.3 Health Management When C.3.1 fertilizer production requires a large discharge or maintenance digesters, 15d before the ban of fresh feed into the pool. C.3.2 digester bottom sludge retention 1/3 as inoculum, the remaining part should be GB 7959 standard implemented. C.3.3 by 4.3 toilet management and maintenance of hygiene requirements management.

Appendix D

(Normative) Sewer flush toilets and water-saving devices complete the water under high pressure D.1 flush toilets We shall complete the sewer system, the main application for the construction of latrines attached to the model. D.2 water under high pressure water-saving devices D.2.1 Application And attached build, Detached household toilet three grid septic tanks, double-urn, three Unicom digester type, flush the toilet diversity and flush toilets Supporting applications. D.2.2 basic structure Pumping device (storage tanks, pumps, filters), toilet wells. D.2.3 architectural design requirements D.2.3.1 toilet well construction requirements should be consistent with water-saving devices used in water under high pressure. D.2.3.2 flushing water. three grid septic tank, double urn funnel, flush urine diverting toilets every 1L ~ 3L; three Unicom biogas latrines The no more than 1L. D.2.3.3 accompanying three grid septic tank construction are specified in Annex A, double-urn latrines building requirements in Appendix B, three biogas Unicom Pool toilet buildings are specified in Annex C, flush urine diverting toilets building requirements in Appendix E. D.3 Health Management D.3.1 three grid septic tanks are specified in Annex A, double-urn latrines are specified in Annex B, three Unicom biogas toilets are specified in Annex C, Flush urine diverting toilets are specified in Annex E. D.3.2 by 4.3 toilet management and maintenance of hygiene requirements management.

Appendix E

(Normative) Urine directing toilets E.1 Basic Structure House by the toilet, urine separation toile......

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