WS 436-2013Operational management of water supply for hospitals (English PDF)

4.1 General principles

4.1.1 The hospital shall configure a secondary water supply system that meets the requirements according to its own medical needs.

4.1.2 The design of the secondary water supply system should be incorporated into the overall plan of the hospital, taking into account the sustainable development of the hospital.

4.1.3 The equipment and piping system of the secondary water supply system shall be reasonably arranged to facilitate maintenance and repair.

4.1.4 Hospital secondary water supply practitioners should be familiar with the operating requirements and technical indicators of all equipment and facilities of the secondary water supply system, and have the corresponding Professional skills and training in health and safety.

4.1.5 The population of the secondary water supply machine room communicating with the outside world shall be installed with metal protective doors and kept locked; windows shall be equipped with metal fences.

4.1.6 The intrusion alarm device and video monitoring device can be installed in the secondary water supply room.

4.2 Management agency

The hospital shall set up a full-time or part-time secondary water supply management department according to water supply management requirements and sanitary safety requirements, and in combination with specific conditions.

4.3 Duties

4.3.1 The hospital shall clarify the leadership of the hospital in charge of the secondary water supply system and its main responsibilities, and announce the implementation.

4.3.2 The hospital shall clarify the post responsibilities of the management department of the secondary water supply system and its person in charge, and announce the implementation.

4.3.3 The person in charge of the management department shall perform the following duties

a) The secondary water supply pipe to the unit and the former comprehensive

b) Overall arrangement II

4.3.4 Operation

a) familiar

d) do

c) post responsibility system;

d) cleaning and disinfection system;

f) Certificate system for wading products and disinfection products;

g) training system for water supply and water management personnel;

h) Emergency treatment plan for abnormalities in sanitation and safety of water supply systems and pollution;

i) the working system of the staff on duty;

j) Transfer system E

k) equipment and facilities operation record system;

1) The daily inspection, maintenance and maintenance system of equipment and facilities;

m) Archive system of sanitation and safety related information of water supply system.

4.4.3 Hospitals should publicize drinking water health and safety information, including.

a) Water quality test and report of test data.

b) cleaning and disinfection process;

c) Relevant systems for secondary water supply management.

Compliance with relevant regulations;

Operating status;

Door manager

4.5 Archive Management

4.5.1 Content

4.5.1.1 The files should be complete, fully reflect the layout and working conditions of the hospital's secondary water supply system, with necessary charts, Update.

4.5.1.2 The administrative file shall include the following.

a) management of documents, drawings and records;

b) equipment maintenance management;

c) maintenance management;

d) Tubes for accessories and consumables

e) Water supply, pipe

f) Staff training

g) Safety tube

h) Emergency

4.5.1.3

4.5.1.4 Operation Record

a) equipment operation records;

b) Equipment and facilities network maintenance

c) the watch;

d) duty records;

e) handover records;

f) cleaning records of tanks and water tanks;

g) inspection records of the secondary water supply system;

h) Record of failure or incident handling.

4.5.2 Custody department

Health Safety Evaluation Report According to the actual situation of the unit, the hospital can set up a special person in the management department of the secondary water supply system; it can also be unified by the hospital file management department storage.

4.5.3 Save time

4.5.3.1 Management archives and technical archives shall be kept concurrently with the secondary water supply system in use. Original technology after the abolition of the secondary water supply system the archives shall be kept for 5 years, and the original administrative archives shall be kept for 2 years.

4.5.3.2 All operation record files shall be kept for 2 years.

5.1 General provisions

5.1.1 Two sets of hospital transmission tanks should be used simultaneously.

5.1.2 Two sets of pressurized water pumps should be provided, one for each purpose. When one group fails, the other group should be able to bear all water supply.

5.2 Water volume

5.2.1 The hospital water quota shall meet the requirements of GB 50015 and GB jT 50331.

5.2.2 The hospital water quota shall meet the relevant requirements of the local government management department.

5.3 Water quality

5.3.1 All water distribution equipment and protective materials in contact with domestic drinking water shall not contaminate water quality, and shall comply with GB jT 17219.

Regulations.

5.3.2 The quality of the secondary water supply shall meet the requirements of GB 5749 and GB 17051.

5.3.3 The requirements for facilities and treatment of secondary water supply shall comply with the provisions of GB 1705 1.

5.4 Water pressure

5.4.1 The water pressure of the water supply shall be determined according to the nature and scale of the use of the hospital building, the scope of water intake, the water equipment and facilities and the water pans of the water appliances.

The water supply and water pressure are fixed, and the well meets the requirements of CJJ 58.

5.4.2 The secondary supply water pressure should meet the operating water requirements of the hospital in which it is located.

6.1 Basic requirements

6.1.1 The person in charge of secondary water supply management shall formulate the secondary water supply according to the hospital's water demand and the inspection routine requirements provided by the equipment manufacturer.

The inspection time, route and inspection content of the secondary water supply equipment, and arrange personnel to conduct inspections.

6.1.2 The person in charge of secondary water supply management shall formulate the secondary water supply system equipment maintenance plan in accordance with the service requirements recommended by the equipment manufacturer.

The plan should include process description, frequency of work, person in charge of work, record requirements, etc. The secondary water supply equipment maintenance plan should also include Functional testing to ensure that it can be used when needed.

6.1.3 In addition to testing and inspection of the secondary water supply equipment, a thorough overhaul of the system shall be performed at the frequency recommended by the equipment manufacturer.

6.1.4 The hospital shall ensure adequate spares as recommended by the manufacturer.

6.1.5 Repair of any faulty components of the secondary water supply system shall be carried out in accordance with the technical specifications provided by the manufacturer.

6.1.6 During the operation of equipment and accident handling, the operating personnel shall strictly implement the operation procedures and accident handling procedures specified in the operation management documents.

law. Find faults and hidden dangers and deal with them in time, and fill in relevant records truthfully.

6.1.7 The operating personnel shall make a safety inspection of the secondary water supply equipment 5 times per week.

6.1.8 When there is an abnormality or failure of the operating equipment, the duty staff should immediately stop and report to the superior. In case of electric shock or equipment failure in case of obstacles, the staff on duty should first cut off the power and carry out rescue treatment before reporting to the superior.

6.2 Cleaning, disinfection and sanitation safety management requirements for water distribution facilities

6.2.1 The secondary water supply and transmission water tank (pool) should be thoroughly cleaned, disinfected, and the water quality should be inspected. It should be noted once a year, and it should be found and eliminated in time.

Eliminate the hidden dangers of pollution and ensure the hygiene and safety of drinking water in hospitals.

6.2.2 The disinfectant used in the transfer water tank (pool) should obtain a health permit from the health administrative department (a health and safety assessment is required for the permit) Price report >.

6.2.3 There should be no seepage pits and no pollution sources such as garbage within 10 m around the transmission water tank (pool). There should be no dirt within 2m around the water tank Water lines and pollutants.

6.2.4 The transmission water tank (pool) should be covered with a lock, a net cover, an isolation fence, and the key should be kept by a special person.

6.2.5 The transmission water tank (pool) should have a liquid level control device and a pressure transmitter. It should automatically alarm when the liquid level is too high, and it should be automatic when the liquid level is too low.

Stop.

6.2.6 The daily inspection should include the following.

a) 7.} < . Box cover, observation hole, full flow pipe, sewage pipe, control valve, filter, metering water meter, liquid level valve, floating ball room;

b) the working status of the water tank (pool) high and low water level line, floating ball, and whether the automatic device is normal;

c) The transmission water tank (pool > control valve switch position is normal, whether there is water leakage in the transmission water tank and pipeline, whether the pressure gauge reading normal.

6.3 Pump house

6.3.1 The general provisions are as follows.

a) Non-watch personnel are not allowed to enter the pump room. If they need to enter, they should be approved by the supervisor and accompanied by the watch officer;

b) Fire pump cotton wells shall be provided in the pump room and shall be placed in a convenient place;

c) The pump room should be kept locked, and the keys should be kept by the staff on duty, and should not be loaned to others;

d) The pump room should be clean and tidy, and should not store flammable, explosive, corrosive, harmful, poisonous and items that may cause environmental pollution, and keep it Clean and ventilated to ensure that the equipment's operating ring is within the specified humidity and temperature range;

e) The electrical control equipment should have automatic fault protection functions such as overload, overvoltage, undervoltage, short circuit, phase loss, and overheating;

f) Electric control box (cabinet) equipment should meet the relevant regulations of GB/T 3797.

6.3.2 The daily inspection shall include the following.

a) Drainage facilities, water level control systems, disinfection facilities, various instruments, valve wells, etc. in the pump room;

b) Ensure that the valve well cover is not missing and the valve is not leaking;

c) The automatic exhaust valve and check valve are operating normally.

6.4 Water pump

6.4.1 The general provisions are as follows.

a) Regular inspections should be conducted to check the operation of all electromechanical equipment and facilities in the pump room, keep the pump room and electromechanical equipment clean and Make work records;

b) the water level of the pump during operation should not be lower than the specified minimum level;

c) Except for the mechanical seal of the pump and other non-leakage seals, there should be water droplets in the filling chamber, 30 drops/min ~ 60 drops/min;

d) When frequency conversion control is used, the operating point at the rated speed of the pump should be at the end of the pump's high-efficiency zone.

6.4.2 The daily inspection should include the following.

a) Transmission water tank (pool > in and out state;

b) the water quality of the transmission tank (pool);

c) transmission water tank (pool > protection status;

d) running status of the electric pump (whether the automatic and manual switching is normal);

e) change ~ control the running state of the electric pump (whether the automatic switching function is normal h

f) Function status of outlet pressure and flow meter;

g) The electrical control equipment operates without ambiguity, overheating and noise.

6.5 Water supply pipeline

6.5.1 The general provisions are as follows.

a) The secondary water supply pipeline shall be marked;

b) The setting of the pressure reducing valve should meet the requirements of GB 50015;

c) Maintenance personnel should be familiar with the water supply system, check the use of water supply pipelines and valves, and pay attention to the leakage, seepage, and accumulation of water in the ground.

Abnormal conditions such as water. If the above phenomenon is found, the cause should be found in time and dealt with accordingly;

d) Before winter comes, maintenance personnel should pay attention to the antifreeze and heat insulation work of indoor and outdoor pipes, door readings, fire hydrants, etc.

Temperature conditions, using different insulation materials;

e) The pipeline should be installed firmly, and the control valve should be flexible to open and close without dripping. The hydrostatic test and heat preservation and anticorrosion measures shall comply with GB J 242.

Regulations;

f) According to the material and use conditions of the water supply pipeline, the old and severely damaged water supply pipeline should be renovated according to the plan.

6.5.2 The daily inspection should include the following.

a) Eliminate the factors affecting the safety of water transmission and distribution in a timely manner;

b) The valve well cover is not missing, and the door does not leak; the exhaust valve and check valve are operating normally;

c) Conduct daily safety inspections of water supply equipment, analyze the situation of water supply, and eliminate hidden troubles that affect water supply safety in a timely manner;

d) Repair the indoor pipes of the pipes in time to keep the indoor pipes free from water leakage and water seepage.

6.6 System acceptance, testing and commissioning

6.6.1 Each hospital shall, in light of the actual situation of the unit, establish and improve the acceptance, testing and trial operation flow of the new and reconstructed secondary water supply system.

Process and announced implementation.

6.6.2 The acceptance of the secondary water supply project shall be entrusted to a qualified unit designated by the competent national authority.

6.6.3 The following documents and records shall be checked and retained during acceptance.

a) relevant design drawings, design modification documents and material certification reports;

b) records and documents of all tests to be performed during construction;

c) All equipment and facilities product quality certificates or certificates of conformity;

d) flow charts and schematic diagrams of all equipment, system pipes, terminal facilities;

e) instruction manuals and maintenance manuals for major equipment;

f) Equipment and system operating procedures and emergency measures.

6.6.4 The secondary water supply system and equipment are qualified for acceptance, and can be put into formal use only after the trial operation is confirmed to be safe and reliable.

7.1 Measurement

7.1.1 The hospital shall establish and implement sub-metering according to its own situation, and someone shall be responsible for copying and checking the water meter, and implementing the planned use according to the water consumption index Water, establish water withdrawal files and water withdrawal responsibility system.

7.1.2 The hospital should implement single water consumption metering for large-capacity and high-energy-consuming water withdrawal equipment.

7.1.3 For units with large water supply and complicated secondary water supply systems, it is advisable to establish a water balance management mechanism to monitor the changes in water volume in a timely manner.

7.1.4 When the operating operator finds that the secondary water supply is abnormal, he should immediately report it to his supervisor. Once the supervisor receives the report, he should organize immediately Weavers to check.

7.2 Water saving

7.2.1 The hospital shall carry out publicity and education on the water law and energy conservation law of the People's Republic of China for employees, and develop water-saving training for employees plan.

7.2.2 Hospitals should conduct cost accounting and assessment on a monthly (quarterly) basis, and establish and improve a water-saving reward and punishment system.

7.2.3 The hospital shall actively implement the hospital's water-saving plan, and summarize and benefit-track the completion of the water-saving technology project transformation.