Residential building with premises of the school "Children's Creativity" on the 1st and 2nd floors in Moscow

Contents

INTRODUCTION

DESIGN INPUT

MASTER PLAN

SPACE PLANNING SOLUTION

CONSTRUCTIVE SOLUTION

HEAT ENGINEERING CALCULATION

CALCULATION OF STAIRCASES

TECHNICAL AND ECONOMIC INDICATORS

ENGINEERING EQUIPMENT

Introduction

The course project was developed according to the design task: "A residential building with the premises of the school" Children's Creativity "on the 1st and 2nd floors in Moscow."

The 32-storey residential building chosen as the theme of the graduation project allows for compact development of a residential area. The location on the first and second floors of the school "Children's Creativity" and on the subsequent floors of apartments provides the necessary comfort of living and the development of children's education and creativity.

The facade of the building is braced with horizontal stripes that visually increase its volume. The building is more than 100 m high, is dominant in relation to neighboring buildings, expressively develops the architectural development of the city.

The project was developed taking into account the increased thermal protection. The engineering support of the building is provided: cold water supply, sewerage, supply ventilation with natural inducement, gas supply, power supply, low-current devices. Heating and hot water supply - from independent gas flow modules of the outdoor installation, located on the roof of the building, fuel - natural gas. Residential premises are equipped with autonomous smoke detectors, children's school - automatic fire alarm system and fire notification. The building is equipped with passenger and freight elevators, garbage trucks.

Design Solutions

Structural diagram of the building with load-bearing monolithic reinforced concrete columns and walls acting as stiffening diaphragms. Horizontal elements - monolithic reinforced concrete floors (flat, riggless), ensure the joint work of all elements of the building.

Foundations - piles with reinforced concrete monolithic pile. Pile immersion is performed by pressing method. Due to the ambiguity of the results of the probing before the start of work, it is mandatory to perform a test diving of piles in order to clarify their length and bearing capacity. The design load on the piles shall be determined on the basis of engineering and geological surveys. Piles shall be made of concrete of strength class not less than B25 on Portland cement as per [4]. Concrete grade by waterproof W6, by frost resistance F75. Perform 3 categories of requirements for crack resistance with a short width of 0.15 mm and prolonged 0.1 mm crack opening.

The reinforced concrete grillage is designed from class B20 concrete on sulfate-resistant portland cement, with reinforcing by frameworks from class A400 fittings. Plug the piles into a pile pile by 300 mm: break them with a full section of 50 mm, and break 250 mm of the pile head and bend the working rods. At the base of the W.B. Pile pile, perform concrete preparation of the pile. B7.5, 100mm thick, with coating of the upper surface with hot bitumen in 2 times.

Horizontal waterproofing shall be made of 2 layers of waterproofing on bitumen mastic. Concrete surfaces of foundations touching the soil should be coated with hot bitumen in 2 times.

External walls - cast-in-situ reinforced concrete, made of concrete B25 with reinforcement of A500C class periodic profile as per STO ASCHM 793 and smooth A240 class. Cast-in-situ walls are designed with a thickness of 300 mm, columns - with a square section of 300x300mm, floors - with a thickness of 200 mm. lining with an allucobond, along a metal frame.

Internal walls - cast-in-situ reinforced concrete, made of concrete B25 with reinforcing by fittings of a periodic profile of class A400 and smooth class A240, 150 mm thick.

Partitions - brick with a thickness of 120 mm from ordinary clay brick M 75 to [7]. on cement sand mortar M 50.

Staircases - individual monolithic from concrete B25.

Ventilation channels - individual from galvanized steel 0.5 mm thick, followed by covetation with expanded concrete on a reinforcement grid.

Roof - flat combined with an internal organized drain. Coating is made of ventilated materials.

Windows - PVC of individual manufacture.

External wooden doors and PVC of individual manufacture. The internal doors are wooden.

Features of door design in special rooms and in accordance with fire requirements.

Covering of wings and stairs is made of ceramic tiles with rough surface.

Engineering equipment

Heating

The design provides for individual heating from the independent gas flow modules ROBUR of the outdoor installation located on the roof of the building. Water heating system closed with pump circulation, double-tube with lower and quaternary wiring. The heating system of non-residential floors is separate.

Heating system pipelines are made of PPRC PN25 polypropylene. The heating system for apartments is mounted in the floor. Steel panel radiators with built-in valves are used as heating devices.

Insulation of mains and risers is performed by thermoflex.

Coolant - water with parameters of 8060 ° С.

Heating heat consumption - 1074 kW, including residential - 604 kW; non-residential - 470 kW.

Ventilation

The project provides for supply and supply ventilation with natural motivation. Drawing from bathrooms and kitchens is carried out through RVP4 grids.

Cold water supply

Cold water supply of the building is provided from external water supply networks. Water supply is provided to the pump house with installation of water meters: for residential and non-residential parts of the building.

Cold water main pipelines shall be laid on a service floor and shall be installed from steel water pipes.

Irrigation of green spaces is carried out from a watering crane installed in the basement of the building.

A ball valve is provided in the kitchen for connecting the hose (hose) in order to make it possible to use it as a primary device for internal fire extinguishing at an early stage.

Hot water supply

The design provides for individual hot water supply from the independent gas flow modules ROBUR of the outdoor installation located on the roof of the building.

Hot water pipelines shall be installed from steel water pipes.

Hydraulic test of pipelines for 1.5 of operating pressure, but not more than 0.68MPa.

Sewerage

Waste water from plumbing appliances is drained by gravity to the existing household sewage network. Sewage pipelines are installed from polyethylene pipes.

Power supply

Power supply of the residential building shall be performed by two cable lines (non-residential floor - by a separate feeder) Cables shall be installed on BRU. According to the degree of reliability of power supply, a residential building belongs to category II, except for the equipment of elevators - category I, according to. The design provides for ALT for power supply to elevators.

Electric lighting

Artificial lighting of a residential building and made in accordance with the requirements. Voltage 380/220 V. Electric illumination of the stairway and inputs is controlled automatically from the light switch installed in the BRU panel. In case of failure of the photographic switch, it is possible to manually control the lighting of stairs. Evacuation lighting remains on all daylight. Emergency lighting is provided in electrical panels, pump rooms, machine rooms of elevators. The lighting network of staircases and corridor is performed by the PV1 wire in risers and by the IWG cable. At intermediate sites, install an additional DL20A emergency lighting fixture on batteries, charging is performed from the emergency lighting group.

Power electrical equipment

Electric power consumers in a residential building are electric motors of elevators, pumps, electric heaters. Power network is performed by PV1 grade wire in vinyl plastic pipes in risers and by IWG cable.

All electrical installation works shall be performed in accordance with PUE2006.

Grounding (lightning protection)

All non-current-carrying parts of electrical equipment (shields frames, starting equipment housings, steel wiring pipes, etc.) are grounded by connection to a zero protective wire of the electrical network. In the bathroom, install a clamp unit, to which connect all metal parts of the equipment (steel pipes, bath, metal housing of the washing machine) with a PV1 wire with a section of 4mm2.

To the unit of potential leveling clamps from the floor panel, lay a wire of grade PV1 with a section of 4 mm 2 is hidden. At the input to the building, perform a potential equalization system by combining the following conductive parts:

main (main) protective conductor;

steel pipes of the building communications;

metal parts of building structures, lightning protection.

Such conductive parts shall be interconnected at the building inlet by 40x4 mm strip steel.

External grounding circuit shall be made of Ø16 mm steel, which is driven into the ground by 5.5m. Current spreading resistance shall not exceed 4 ohms. All grounding connections shall be welded with subsequent coating of the grounding bars with two layers of bitumen, except for the grounding parts laid in the ground.

Living quarters of apartments (except bathrooms and bathrooms) are equipped with autonomous fire detectors.

The automatic fire alarm and fire notification system for retail premises is a separate order.

Garbage removal.

Garbage pipeline - at the bottom ends in the garbage chamber with a storage bin. Accumulated garbage in the bunker is poured into garbage carts and immersed in garbage collection machines and taken to the city waste dump. The walls of the garbage chamber are lined with glazed tiles, the floor is metal. In the waste chamber there is a cold and hot water pipe with a mixer for washing the waste duct, equipment and premises of the waste chamber .

The garbage chamber is equipped with a drain with water draining into the household sewage system.

A heating coil is provided in the floor. At the top, the garbage duct has an exit to the roof to ventilate the garbage chamber and through the garbage collection valves to remove stagnant air from the staircases, as well as smoke in the event of a fire. The entrance to the garbage chamber is separate, from the side of the street.