Weak current College】 【go; water supply and drainage and HVAC common specifications in the mandatory provisions of the Rollup 2 --- Power By】 【China power house network.

<br> Second, the construction of water supply and drainage design code GB50015 - 20033.2.1 living water-supply system should be consistent with existing national standards to the standards for drinking water. 3.2.3 urban water supply pipe is strictly forbidden and bring .their own water supply pipeline to connect directly. 3.2.4 for piping for drinking water siphon reflow and contaminated drinking water pipes, water fittings outlet should satisfy the following requirements: 1 outlet shall not be any liquid or drowned by impurities; up to 2 outlet .carrying water container with overflow edges of minimum air gap, must not be less than the outlet diameter 2.5 times; 3 special apparatus cannot set minimum air gap, you should set the pipeline backflow device or take other measures to effectively cut off. 3.2.5 .directly from the water supply pipeline received the following water pipes should be in the water pipes set pipeline backflow device or other effective prevention of backflow contamination of unit: 1 separate received the fire water pipe in the water pipes for fire up-end; note: .not including outdoor water supply pipe on a fire hydrant is received. 2 from the urban water supply pipeline of pump directly on the water, the suction pipe up-end; 3 when swimming pool, water sports and recreation pool, Jacuzzi, water features and .ornamental ponds, circulating cooling water set pool, filled with water or water pipe outlet and overflow air gap between the water level is less than the outlet pipe diameter 2.5 times, in filling (up) water pipe; 4 the city water supply pipe directly to .boilers, heaters, water heaters, pressure tank and pressure vessel or closed vessels on water injection of water injection; 5, garbage disposal station, animal farm (including the Zoo Keepers exhibition area) of irrigation pipes and animal drinking water pipes with end; 6 .green, automatic irrigation system, when the nozzle for underground or automatic lifting type, its pipe up-end; 7 from the urban water ring out different pipe into the tube to the next residential community water supply, and the community water supply pipe and the .formation of urban water supply pipe, the pipe into pipe (generally after the water meter in total). 3.2.6 non-drinking water pipes and stool (Groove) direct connection. 3.2.9 buried around drinking water storage tank, there shall be .no less 10m septic and sewage treatment, water seepage wells structures, garbage dumps, such as pollution; point 2m within around without sewage pipes and pollutants. When does not meet this requirement, should take measures to prevent pollution. 3.2.10 building drinking fountain .(box), an independent structure forms should be used, must not use the building as a pool of ontology structure (box) of the wall, floor and roof. Drinking water tank (box) and other water tank (carton) side-by .-side setting, there should be a separate wall shall be share a piece of the wall, wall and partition should have drainage measures. 3.2.14 in non-drinking water pipes connected faucet or water short tube should be taken to prevent accidental drink misuse .. 3.5.8 indoor water pipes shall be arranged in water may cause burning, explosion of raw materials, products and equipment. 3.9.1 world-class competition pool pool water sanitation standards, should be consistent with the international swimming Federation (FINA) on .Swiming water sanitation standards. 3.9.3 swimming pool and water recreation pool's initial charge and the water and the use of added water should be consistent with the existing standards for drinking water. 3.9.4 swimming pool and water amusement pools of water, shower, .water, domestic water should be consistent with the existing standards for drinking water. 3.9.9 water amusement pools slideway lubricant circulating pump water system, you must set the alternate pump. 3.9.12 swimming pool and water recreation pool water disinfection sterilization process must be .carried out. 3.9.14 use bottled chlorine disinfection, chlorine must be in the negative pressure automatic dosing means, is strictly prohibited to chlorine directly injected into the swimming pool water dosing. Chlorine room should be set anti-virus, fire and explosion-proof .device, and in accordance with the relevant provisions of the present specification. 3.9.22 enters the public swimming pool and water recreation pool of channel, set dip feet disinfection of pool. 3.9.24 competition with diving must be set up water wave device. .3.9.27 children's pool depth cannot be larger than 0.6m, when used by different age groups combined pool of together, should adopt the railings be separated. 4.2.6 constructs without water bends of sanitary ware and sewage pipes, or other potentially harmful gas .discharge pipe connections, you must set the following in the drain water bends. Water bends the depth of the water must not be less than the 50mm. 4.3.5 drainpipe is not caused by the substances the combustion and explosion of raw materials, products and .equipment. 4.3.6 horizontal drainage pipe shall be arranged in the dining room, catering kitchen main supplement action cooking by meal. When the unconditional cannot avoid, to take protective measures. 4.3.13 the following structure and equipment of the drain and waste pipeline .system directly connected to take indirect drainage; 1 life drinking water storage tanks (pool) of the drain piping and overflow pipe; 2 water heater, water heater drained; 3 medical sterilization disinfection device drainage; 4 evaporative cooler, air-conditioning condensation water drainage .; 5 store food or beverage cold storage room of surface drainage and water cooler melting Frost drainage of the disc. 4.3.19 indoor drainage ditches and outdoor drainage pipe connection, water seal device should be located. 4.5.9 belt water seal leakage water depth .is less than 50mm. 4.8.4 the distance the water intake structure septic tanks must not be less than the groundwater 30m. 4.8.8 hospital wastewater disinfection must be carried out. Water treated by emission conditions should be consistent with existing medical institutions sewage disposal .requirements. 5.4.5 gas water heaters, electric water heaters must be guaranteed with a security device. Prohibited in bathroom installation direct exhaust gas water heaters, etc. in the use of space in the accumulation of deleterious gas heating equipment. 5.4.20 expansion .pipe installation valve on the forbidden..