Emergency and internal gas supply to the cottage

Contents

Contents

Project Composition

Design Task

Project Passport

TU

from

General Explanatory Note

Main set of GoSN working drawings

Main set of GSV working drawings

Seeker Equipment Specification

GSV equipment specification

Applications

Certificates and Permissions

Design Task

1. Object:

2. Basis of Design: Specification

3. Source of financing of design works: Customer's funds

4. Brief description of the object: External and internal gas supply of residential building with installation of wall gas boiler "Viessmann" and gas plate PG4

5. Design Phase: Work Project

6. Project organization: LLC Gazenergoservice

7. Scope of design: External gas pipeline from the gas pipeline-inlet on the external wall of the residential building to the entrance into the utility room on the first floor of the residential building.

Internal piping with installation of gas meter G4, gas boiler "Viessmann" and gas plate SG-4

8. Special conditions: no

9. Due dates: Q2011

10. Number of instances: 2 instances

11. List of documents provided by the customer as initial data:

TU

Floor plan of the house.

Certificates and permits for gas-consuming equipment.

Act of inspection of smoke and ventilation channels.

Project Passport

1. Object:

2. Cipher:

3. Basis of design:

Specification

Design Task

4. Year of release 2011

5. Design Phase: Work Project

6. Technical characteristics:

6.1. Gas pressure at tie-in point:

low pressure -189.5 mmw.st.;

6.2. Gas density - 0.683 kg/m3

Wobbe number - 9500 kg/m3

Lowest combustion heat - 8050 kcal/m3

6.3. Disconnecting device:

ball valve of KSH25r type - 1 pc.

ball valve of KSH20r type - 1 pc.

ball valve of KSH15r type - 1 pc.

6.4. Length of gas pipeline:

- external total - 65.0 m.

The steel Ø25x3.2 gas pipeline in accordance with GOST 326275 * - 64.0 m;

The steel Ø15x2.8 gas pipeline in accordance with GOST 326275 * - 1.0 m;

- internal total - 10.0 m.

The steel Ø25x3.2 gas pipeline in accordance with GOST 326275 * - 9.0 m;

The steel Ø15x2.8 gas pipeline in accordance with GOST 326275 * - 1.0 m;

6.5. Equipment to be installed in a residential building:

The VITODENS 200W boiler of Viessmann, Germany, with a capacity of 60 kW - 1 complex.

Gas stove PG4 -1compl.

General Data

The project was developed on the basis of the design task and provides for the gas supply of an individual residential building located at:

This project provides for the laying of an external low pressure gas pipeline from the existing low pressure gas pipeline on the external wall of the residential building to the entry into the utility room with subsequent internal wiring to the gas consuming equipment - wall gas boiler and gas plate PG4.

Design Input

TU

Design task.

Floor plan of the house.

Gas supply source and gas flow rate

Low pressure natural gas has the following characteristics: combustion heat 8050 kcal/nm3 and density 0.683 kg/m3.

Gas consumption is provided for heating and hot water supply of a residential building from the VITODENS 200W gas boiler of Viessmann, Germany, with a capacity of 60 kW.

Gas flow rate to gas boiler "Viessmann," 60 kW - 5.95 m3/h.

Gas flow rate to the gas plate PG4 is 1.2 m3/h.

The total gas flow per house is 7.15 m3/h.

The gas supply of the house is designed from the existing low pressure gas pipeline on the outer wall of the house.

The gas pressure at the point of connection to the existing gas pipeline is 189.5 mm.v .

The equipment is selected taking into account the actual pressure conditions in the low pressure gas pipeline during the winter maximum gas consumption.

The design documentation is developed taking into account the requirements of safety rules, building codes and rules, as well as other regulatory documents agreed with Rostekhnadzor of Russia.

Indicators of gas supply system

Object characteristic

5.1 Laying of external gas pipeline:

- connection of the designed steel Ø25x3.2 low-pressure gas pipeline of mm. to the existing gas pipeline input of low pressure Ø25x3.2 of mm.

- laying of the steel Ø25x3.2 gas pipeline before input to the room furnace (coordinated to the drawing of the GSV brand, l . 2);

- input of the Ø25x3.2 gas pipeline to the room of furnace;

- output of the Ø25x3.2 gas pipeline from the room furnace and its laying to premises of kitchen;

- setting of 25/15 transition before entering the kitchen;

- attachment of external gas pipeline;

5.2 Laying of internal gas pipeline:

Entry into the utility room, with installation of industrial-pipeline valves:

- laying of the steel Ø25x3.2 gas pipeline in a case through a wall (to carefully close up space between a wall and a case on all thickness of a peresekayemy design, and to condense the ends of a case with elastic material);

- installation at entry of KTZ00125 thermal lock valve into the room;

- installation of automatic control of gas content of SACZ MK2 with solenoid valve KZGEMU, DN 25;

- installation of ball valve of KSH25 type in front of G-6 counter;

- installation of gas counter G6;

- setting of transition 25/20;

- laying of the steel Ø20x2.8 gas pipeline to a gas copper;

- installation of KSH20r type ball valve upstream of Viessmann's VITODENS 200W gas boiler

-supplying to the boiler with flexible current-conducting feed Ø20 mm.

Entry into the kitchen room, with installation of industrial-pipeline valves:

- laying of the steel Ø15x2.8 gas pipeline in a case through a wall (to carefully close up space between a wall and a case on all thickness of a peresekayemy design, and to condense the ends of a case with elastic material);

- installation of KTZ00115 thermo-lock valve in the room;

- installation of ball valve of KSH15r type upstream of SG-4 gas plate

-supplying to the plate with flexible current-conducting feed Ø15 mm.

- attachment of internal gas pipelines;

5.3. Corrosion protection

Steel sections of the gas pipeline and all metal structures are protected against corrosion by a paint coating consisting of 2 layers of primer and 2 layers of paint .

5.4. Gas equipment of a residential building

5.4.1. Equipment characteristics:

A wall-mounted gas boiler "VITODENS 200W" from Viessmann, Germany, designed to cover heating and hot water loads, is installed in the residential building.

It operates stably at a gas pressure of 1320mbar.

Installation of gas heating boilers should be provided for walls lined with non-combustible or difficult-combustible materials (with insulation by roofing steel on asbestos sheet with thickness of at least 3 mm) at a distance of at least 10 cm from the wall and at least 1 m from the opposite wall .

In the kitchen room there is a PG4 stove designed for food preparation. Gas flow rate to PG4 plate is 1.2 m3/h. It operates at a gas pressure of 1320 mbar.

Walls of combustible materials in places of installation of gas plates should be insulated with non-combustible materials: plaster, roofing steel on asbestos sheet with thickness of at least 3 mm. and others. Insulation shall extend beyond plate dimensions by 10 cm on each side and not less than 80 cm on top. The distance from the slab to the opposite wall of the room shall not be less than 1 m.

Current-conducting flexible hoses shall be provided on the lanes to the gas equipment.

5.4.2 Gas flow metering unit.

To account for gas flow, the gas meter SGD3T G-6, UP "MMZ named after S.I. Vavilov," r. Belarus. measured flow rate 0, 06m ³/hour 10.0m ³/hour. Operating temperature range: 40. .. + 55.

5.5. Smoke removal and ventilation

5.5.1 Characteristics of gasified room.

The utility room has access to the street. The height of the room is 2.8 m. The area of ​ ​ the room is 6.35 m2. Volume - 17.78m 3.

The glazing area of ​ ​ the window in the utility room ≥ 0.53 m ², which corresponds to a glazing norm of 0.03 m ² per 1 m ³ of the room volume (SNiP 31.02.2001).

The kitchen room has access to the adjacent room. The height of the room is -3.0 m. The area of ​ ​ the room is 43.6 m2. Volume - 130.8m 3.

The glazing area of ​ ​ the window in the kitchen ≥ 3.9, which corresponds to a glazing norm of 0.03 m ² per 1 m ³ of the room volume (SNiP 31.02.2001).

5.5.2 Removal of combustion products and ventilation.

The VITODENS 200W gas boiler of Viessmann, Germany, has a coaxial smoke removal system (80/125) chimney with air duct and chimney "pipe in pipe"). Combustion products are withdrawn by coaxial system of pipes discharged through wall.

Exhaust of combustion products is performed forcibly. The hole of the smoke channel on the facade of the residential building when discharging combustion products through the external wall without a vertical channel device should be placed at a distance of at least:

2.0 m - from ground level;

0.5 m - to windows, doors and open ventilation grilles

0.5m - above the upper face of windows, doors and open ventilation grilles;

1.0m - vertically to the windows when placing the hole below them.

Since the gas boilers "Valliant," Germany, and "Termona," Czech Republic, have a closed combustion chamber, and air for combustion is not taken directly from the room where it is installed. No additional volume of combustion air is required from this room, three-fold air exchange is ensured by the presence of an existing ventilation channel and a gap with a live section of 0.02 m 2 in the lower part of the door opening in the utility room.

In the kitchen room, three-fold air exchange is ensured by the presence of an existing gap ventilation channel with a live section of 0.02 m 2 in the lower part of the door opening.

The smoke and ventilation channel inspection certificate performed by the licensed organization is attached to the project.

Construction Safety and Fire Prevention

When performing construction work and delivery of the construction site, it is necessary to comply with the requirements

SNiP 3.01.0185 * "Organization of construction production,"

SNiP 3.01.0487 Acceptance for Operation of Completed Construction Facilities

SNiP 42012002 "Gas Distribution Systems"

SNiP III480 * "Safety in Construction,"

PB 1252903, "Rules for safe operation of gas distribution and gas distribution systems

linia "

PPB0193, "Rules for devices and safety of pressure vessels operation."

Safety instructions for workers of each profession, taking into account the specifics of local conditions, must be developed in the construction organization and approved by the chief engineer.

Emergency prevention activities

Engineering and technical measures of the Ministry of Emergency Situations are carried out in accordance with the requirements of

Vamii SNiP 2.01.5990, SNiP 110195, SP 11-107-98

"Engineering measures for emergency prevention." In accordance with the instruction on the categorization of facilities of the national economy, the gas pipeline refers to non-classified facilities and the development of special civil defense measures is not required, except for compliance with safety measures during its operation.

Occupational Safety Recommendations

Before commencing construction and installation works, workers are required to undergo safety and health training in their organization and obtain admission to work.

An entry must be made in the work log. Working

the place should be safe for the employee, namely:

During operation, workers must be equipped with special clothes and sleeves;

metal welders shall have protective shields of appropriate light resistance;

You cannot be in the working area of the mechanism;

For more complex types of work, the contracting organization must fulfill the AKP and approve it with the chief engineer of the construction organization .

Recommendations on environmental protection

To reduce air pollution during construction, the project recommends the following activities:

compliance with the technology and ensuring the quality of the performed works, excluding alterations.

General Instructions

Detailed drawings have been developed in accordance with applicable codes, regulations and standards.

The gas pipeline shall be laid in accordance with the requirements of SNiP 42012002, SP 421012003, PB-12-529-03.

The basis for the development of the project is:

- design task

- TU

Construction and installation works must be carried out by an organization that is a member of a self-regulatory organization (SRO) that has a Certificate of Admission to Work.

Steel pipes shall comply with GOST 10704 - 91,

V20GOST1070580

GOST 326275 * and have the strength factor of the welded joint guaranteed by the manufacturer.

The pipes shall be tested by hydraulic pressure at the manufacturer and have an appropriate record in the certificate.

At points of intersection with construction structures, the gas pipeline shall be enclosed in TP 5.90515 case (used as reference material).

Cranes shall be designed for the gas environment and the tightness of the gates shall comply with Class B as per GOST 954493. General purpose shutoff valves shall be additionally wiped and tested for tightness according to Class B according to GOST 954493. Cranes shall have turning limiters and "open closed" position indicators.

Quality control of welded joints as per GOST 721282 * in accordance with SNiP 42012002.

The gas pipeline shall be tested in accordance with Section 10 of SNiP 42012002.

In the project there are no first used or newly developed materials that need to be tested for patent purity. The working documentation does not use copyrighted inventions.

Above-ground gas pipelines should be protected against atmospheric corrosion by a coating consisting of two layers of primer and two layers of enamel.

Maintenance of gas pipeline and gas equipment shall be carried out by personnel who have completed the relevant training "Safety Rules for Gas Distribution and Gas Consumption Systems" and certificates.

12. Maintenance of gas pipeline and gas equipment shall

to be performed by personnel who have completed the relevant training "Rules

safety of gas distribution and gas consumption systems "and received

Relevant identities.