Indoor training swimming pool without stands for spectators - electric lighting

1. General provisions

The working documentation of the indoor electric lighting and electrical equipment of the indoor pool is developed on the basis of:

- design tasks;

- architectural, plumbing and technological parts of the project;

- operating PUE, SNiP, GOST, RD, NPB.

According to SP 311132004 according to the degree of reliability of power supply, the electrical installation of the building as a whole is classified as the third category of electric consumers (the first category includes electrical receivers of fire protection of the building, elevators, emergency lighting with a total design power of 64kVA).

The design electric power of the building is 305kVA.

Calculation was made on the basis of RD 3420.185-94 (taking into account changes and additions dated 26.06.99), SP 311102003 and tasks for connection of electric receivers from adjacent sections of the project.

2. Electricity supply and metering.

Power supply of the building is provided from the autonomous APEC thermal power plant 0.4/0.23kV (main power supply) and from the DGP diesel generator plant 0.4/0.23kV (backup power supply). These installations are located in the building room and are being developed in the project of Electric Systems LLC.

Technical metering of electric power is carried out in the building GRF by installation of electronic electric power meters TsE2727 cl.1, 5 (10) A, ~ 3x220/380V connected through current transformers T0.66 630/5A, T0.66 150/5A, cl.0.5S and test terminal boxes of ICC.

3. RPS, reactive energy compensation, electrical shields.

The mains voltage is 220V/380V, ~ 50Hz. Neutral operation mode - grounded, type of grounding system - TN-S (as per GOST R50571.294). Protective grounding of the electrical installation is performed in accordance with Chapter 1.7 of PUE (7th ed.).

Mains voltage: power receivers ~ 220/380V; on operating lamps, emergency lighting ~ 220V; portable (repair) ~ 36V.

For input, metering and distribution of electric power to the building in the electrical switchboard room, the main switchboard is equipped with two inputs, with automatic reserve entry (ATS) for electrical receivers of category 1.

Principle of RMS ALT operation:

In case of voltage loss at the main input with time delay (~ 5 sec.) electric receivers are automatically switched to standby input from DGP. When voltage appears at the main input, electric receivers switch to this input.

Voltage control, order of phase alternation, time delay is organized on phase and voltage control relay of EL11 type.

Switching from one input to another is organized using an automatic motor. Motor machines are equipped with electric and mechanical interlocks.

ATS device provides automatic and manual operation modes. In both modes, interlocking is provided from parallel switching on of power supply from two power supply sources to the section of GRL buses.

For connection of electric receivers, the design provides for installation of the following types of electric panels:

- SW - group panels of working lighting;

- RBW - distribution panels of working lighting;

- SCB - group panels of emergency lighting;

- switchgear - power distribution panels;

- SON - a group board of external lighting and outdoor advertizing;

- HCV, ShCV - power supply panels of ventilation and air conditioning systems equipment (developed in the design -AOB);

- WBS - power supply boards of power electric receivers (ITP, pumps of water metering unit, process equipment of water treatment, equipment of boiler room, security and fire alarm systems, fire warning, dispatching systems, etc.);

As power and lighting boards for the installation, shields are provided with the degree of protection corresponding to the placement conditions according to PUE.

GRF, shield products are subject to mandatory certification in accordance with the decree of the State Committee of the Russian Federation for Standardization and Metrology dated July 30, 2002 N 64 on the nomenclature of products and services (works) subject to mandatory certification and the Nomenclature of products whose compliance can be confirmed by a declaration of conformity.

Certificates for GRF and shield products must be presented when allowing the electrical installation to go into operation.

To compensate for reactive energy, the electrical panel provides for installation and connection to 1 section of GRF tires of a 0.4kV complete capacitor plant of UKM580.4 type with a capacity of 150kvar, with automatic control of reactive power up to Coseta= 0.99 .

4. Power distribution.

The design provides for a main radial power supply scheme for power consumers.

Power supply of electrical receivers of fire protection of the building is provided from section 1 of GRF category, with automatic reserve input device (ATS).

Distribution networks are made by replaceable cables with copper cores with laying in plastic pipes hidden in building structures, in plastic pipes on risers, opened by cable trays, cable of the type BBGngLS (with reduced smoke and gas release).

Group networks in cavities above impassable suspended ceilings, partitions made of non-combustible NG materials and flammability group G1 are made by replaceable cables with copper cores of HBGngLS type (as per item 7.1.38 of PUE and item 13.2 of SP311102003).

Group networks in technical rooms are made by cable of NYM type in rigid PVC pipes open by structures, attachment with cover brackets.

The group electrical lighting networks of the pool bowls are made by cables with copper cores of the NYM type, with pro-masonry in PVC pipes open by metal structures of trusses.

Distribution and group networks of electrical receivers of the fire protection system (FPS) are made by cables with copper cores of BBGngLSFR type (according to the requirements of SP 6.13130.2009).

Switching equipment is selected taking into account the PUE requirements for permissible long-term currents for cables and wires, as well as the technical characteristics of the protected equipment. The cable section selection is based on the conditions of provision of permissible voltage loss, maximum permissible heating and selectivity of protective equipment operation.

In accordance with PUE item 1.7.89, the normalized time of disconnection of the damaged circuit by protection and switching devices in accordance with the nominal phase voltage of the supply network is provided.

5. Electric lighting.

Normalized illumination is accepted as per (SNiP 230595, SanPiN 2.2.1/2.1.1.127803).

In accordance with the regulatory requirements, the following types of lighting are performed in the building:

• working lighting;

• emergency lighting (safety lighting and evacuation lighting);

• duty.

Working lighting in the premises of the building is made mainly uniform using luminaires with fluorescent lamps, lamps with incandescent lamps, depending on the purpose of the premises, as well as architectural requirements for the interior.

Lighting above the bowl 25x25.6m of the pool is provided by floodlights with asymmetric reflectors with metal-halogen lamps with a capacity of 250V with built-in APR.

Floodlights are installed on metal trusses, on brackets along the perimeter of the bowl in accordance with the design scheme.

Lighting of bowls of 12.5x7.5m is provided by floodlights with asymmetric reflectors with metal-halogen lamps with a capacity of 70V with built-in APR.

Spotlights are installed on brackets on the long side of the bowl in accordance with the design diagram.

All lighting devices provided for the pool bowl lighting have the degree of protection IP65.

Safety lighting is provided in the room of the electric panel, heat center, pump room (where fire pumps are installed), in the ventilation chambers (where smoke ventilation equipment is installed), at the security station, control room, ticket office, wardrobe.

Evacuation lighting is provided in the lobby, in the halls, in the corridors, on the stairs, in the gyms, in the pool hall.

The safety lighting and evacuation lighting network are combined and connected to the bus section in the GRL, which is not connected to the working lighting network .

Safety and evacuation lighting fixtures are provided by operating lighting fixtures connected simultaneously with them.

In places on the escape routes and at the exits of the building, according to NPB 10495, light indicators with the inscription "EXIT" are installed. They are installed according to the design of the Fire Warning System and People Evacuation Control (EMSS).

On-duty lighting is provided by part of the working lighting luminaires and emergency lighting luminaires for lighting at night, as well as for cleaning the premises.

Lighting control in the office premises is provided locally - with individual switches.

Management of a working and evacuation light in rooms for visitors (halls, halls, the foyer, the main corridors, bathrooms, the hall of the pool) is provided centralized from premises of dispatching office.

In all technical rooms where the presence of portable lighting is required, boxes with reduction separation transformers YATP ~ 220/36V are installed.

6. Power electrical equipment.

Power loads of the building are electric drives of ventilation plants, air conditioners, process equipment of cafes and water treatment in the pool, pumps, electric receivers of sound, timing, information board, office equipment, communications, dispatch control, etc.

Power boards of water treatment are supplied in the design. Shields, wiring from shields to group electric receivers are developed in the project of LLC Company IndexSPb.

The power panels of the heating, ventilation and air conditioning system are powered in the project. Shields, electrical wiring from shields to group electric primers are developed in the project of ZAO Engineering Technologies.

Local, remote and automatic control is provided depending on the functional purpose (management is developed in the relevant sections of the project).

The design provides for automatic disconnection of ventilation systems in case of fire at the signal of the fire alarm station, by means of a remote disconnector on the automatic supply circuit breaker of ventilation systems in GRSH is being developed in the project of Sirenagrupp LLC.

To improve the safety of operation of the electrical network on group lines supplying socket sockets (located in rooms with increased danger), to connect portable electrical receivers, group RRS are provided for the installation (IWT = 30mA).

7. Grounding and lightning protection.

The power grid is provided at ~ 220/380V voltage, with the neutral of generators (TNS grounding system) grounded.

At the input to the building, the device of the main potential equalization system (PSDS) is provided.

As the main grounding bus (GPC), a separately removed copper bus is provided.

The following are attached to the GWN:

- "PE" tyre of GRSCH;

- lightning protection grounding device;

- steel structures of the building;

- metal pipelines (GVA, CFS, heating);

- metal shafts of elevators;

- metal structure of pool baths;

A yellow-green wire PV3 1x25 is used as the PCSD conductor.

If water meters, gate valves or bolted flange connections are installed on metal pipes, bypass bridges made of strip steel with a section of 25x4mm shall be installed in these places (performed by piping contractors).

The design provides for an additional potential equalization system (TDS) by means of a wire PV1 1x4 laid in a plastic pipe d20, connection with the PE width of the nearest shields of the following structures:

- metal guides of suspended ceilings of Armstrong type;

- metal rack ceilings;

- metal pipes of GVA, CVS, heating in shower rooms;

- metal ducts of decentralized ventilation and air conditioning system

- metal equipment (washes, tables) of canteen shops

DSUP of decentralized ventilation and air conditioning system in ventilation chambers is developed in the project of CJSC "Engineering Technologies," in water treatment rooms it is developed in the project of LLC "Firm" IndexSPb. "

All metal parts of the electrical installation that are not normally energized (boards, launchers, lighting fixtures, steel wiring pipes, cable trays, etc.) shall be occupied by connecting them to the zero protective conductor of the network (PE) in the electrical panels.

According to letter No. 100304/182 of the Department of Supervision in the Electric Power Industry, the lightning protection of the facility was carried out in accordance with RD 34.21.12287 and the recommendations of SO15334.21.1222003.

In accordance with SO15334.21.1222003, the sports facility belongs to ordinary objects, the lightning protection of the building is classified as level III.

According to RD 34.21.12287 protection against direct lightning strikes is provided by laying on the roof of a metal mesh made of steel wire d8mm, with a cell pitch of not more than 6x6m. All metal elements protruding above the roof (pipes, shafts, ventilation devices, etc.) shall be connected to the lightning screen, and the protruding non-metallic elements shall be equipped with additional lightning receptors also connected to the lightning screen.

The current leads are made from steel wire d8mm. Current leads are connected to the grounding conductor at least 20 m along the perimeter of the building, no closer than 3 m from the entrances .

An external circuit consisting of vertical (angular steel 50x50x5, L = 3m) electrodes and horizontal electrodes (steel strip 40x4mm) laid in a trench at a depth of 0.5m around the building is provided as a grounding conductor. Resistance of external grounding conductor must be not more than 4 Ohm. This earthing conductor is provided for APEC, DES .

8. Organization of electrical plant operation.

In accordance with the "Rules for Technical Operation of Consumer Electrical Installations" (PTEEP), para. 1.2.3 and the Intersectoral Rules for Labor Protection (POT R M0162001), to directly perform the functions of organizing the operation of electrical installations, the head of the enterprise must appoint a person responsible for the electrical facilities of the facility, as well as a person replacing it. The staffing table should include two maintenance electricians with Group III and Group IV.

As per item 1.3.9. PTEEP before acceptance shall prepare conditions for reliable and safe operation of electrical installations:

- operational personnel are staffed, trained (with knowledge check);

- operational instructions and operational diagrams, technical documentation have been developed;

- Protective equipment, tools, spare parts and materials have been prepared and tested;

- means of communication, alarm and fire extinguishing, emergency lighting are put into operation.

The person responsible for the electrical plant shall record in the working log the mode of repair works operation, make user comments on deficiencies in the operation of electrical equipment and wishes for modernization.

The maintenance personnel shall be obliged to:

- monitor the technical condition and integrity of cable facilities, shields, lamps, sockets, explain to users the need for careful handling of equipment;

- monitor the level of network loading, prevent connection of unauthorized loads, as well as portable electrical appliances (drills, etc.) and blocks (socket extensions) without inventory numbers;

- carry out timely prevention of electrical equipment, as well as measurements and tests in electrical equipment;

- carrying out preventive repairs within the scope and within the timeframe stipulated by PTEEP standards.

Maintenance of electrical equipment, power grids and replacement of lamps at a height of installation of up to 5 meters is produced from a stepladder at a height of more than 5 meters - from a telescopic tower. The above works shall be performed by two electricians. Repair and dismantling of electrical equipment shall be performed at removed voltage.

9. Light masking.

Light masking of the building is carried out in accordance with the requirements of SNiP 2.01.5384.

In case of partial darkening, all external electric lighting (elevation illumination) is switched off in the building GRF. Lamps installed above the inputs shall not be disconnected. The level of internal lighting of rooms with light openings is reduced by disconnecting part of the lamps, as well as replacing incandescent lamps with less power.

In the mode of complete darkening, all electrical illumination is switched off in GRL.

10. Environmental protection activities.

Transmission and distribution of electricity is a waste-free process and does not contain harmful emissions into the natural environment. In this regard, the project does not need to provide for air-water protection measures.

Disposal of waste gas discharge lamps is provided by submitting them to enterprises with special technological equipment for the neutralization of fluorescent, mercury and sodium lamps.

11. Fire fighting measures.

Fire safety of electrical plant operation is ensured by the following design solutions:

- selection of electrical equipment and electrical networks corresponding to the class of areas of rooms by explosion and fire hazard;

- selection of cable grades and sections, laying methods that meet the requirements of PUE and GOST R 50571.1597 (power supply cables must have a fire safety certificate);

- selection of settings of protective devices ensuring their actuation in the areas of short-circuit currents and overloads;

- use of protective disconnection devices;

- protection of the building against direct lightning strikes and skid of high potentials on ground and underground metal engineering communications;

- use of primary fire extinguishing equipment provided in electrical switchboards;

- disconnection of ventilation and air conditioning systems in case of fire.