ITP Project with Drawings and Inventory

Contents

Contents

a) information on climatic and meteorological conditions of the construction area, design parameters of outdoor air

b) information on heat supply sources, coolant parameters of heating and ventilation systems

c) description and substantiation of laying methods and design solutions, including solutions for diameters and heat insulation of heat supply pipes from the point of connection to public networks to the capital construction facility

d) list of measures to protect pipelines from aggressive impact of soils and groundwater

e) substantiation of adopted systems and fundamental decisions on heating, ventilation and air conditioning of premises

f) information on heat loads on heating, ventilation, hot water supply for production and other needs

g) information about the need for steam

h) substantiation of optimum location of heating equipment, characteristics of materials for fabrication of air ducts

and) rationalization of air ducts routing of ventilation systems - for industrial objects

k) description of technical solutions ensuring reliability of systems operation in extreme conditions

l) description of automation and dispatching systems of heating, ventilation and air conditioning control process

m) characteristics of process equipment that releases harmful substances - for industrial facilities

n) justification of the selected gas and dust purification system - for production facilities

a) list of measures to ensure the efficiency of ventilation systems in an emergency (if necessary)

Information on climatic and meteorological conditions of the construction area, design parameters of outdoor air

Design parameters of outdoor air according to SNiP 230199 "Construction climatology" for the city of Moscow are:

- design temperature for ventilation in the cold period of the year -

minus 28 wasps (parameters B);

- average temperature of the heating period - minus 3.1 wasps;

- duration of heating period - 214 days;

- wind speed in January 4.9 m/s.

2 Information on heat supply sources, coolant parameters of heating and ventilation systems

Heat supply of heating, ventilation systems, GVS is carried out through the central heat station (CTP) servicing building 1A2A, a preschool educational institution and a block of primary classes .

The heat supply scheme of ITP is six pipe, dependent on heating, heat supply of plenum plants and hot water supply systems (HVS).

Coolant parameters at input to ITR are accepted on the basis of preliminary hydraulic calculation:

for heating systems:

- in the giving pipeline 1T1 - 95 °C, P1 = 2.3 kgfs/cm²

- in the return pipeline 1T2 - 70 °C, P2 = 1.3 kgfs/cm²

for heating systems of ventilation plants:

- in the giving pipeline 1T11 - 95 °C, P1 = 2.3 kgfs/cm²

- in the return pipeline 1T21 - 70 °C, P2 = 1.3 kgfs/cm²

for WAN systems:

- in the giving T3 pipeline - 60 °C, P1 = 3.4 kgfs/cm²

- in the circulating T4 pipeline - 40 °C, P2 = 1.1 kgfs/cm²

The pressure in the pipelines at the input to ITR should be clarified during the development of detailed documentation.

3 Description and substantiation of laying methods and design solutions, including solutions for diameters and heat insulation of heat supply pipes from the point of connection to public networks to the capital construction facility

External heat networks are carried out by a separate project.

Entry into ITR is performed by six pipelines: 1T1, 1T2 - 2 Du 50 mm, 1T11, 1T21 - 2 Du 100 mm, T3, T4 - Du 50, 32 mm.

4 List of measures to protect pipelines from aggressive impact of soils and groundwater

It is not required, since external heat networks are developed by a separate project.

5 Substantiation of adopted systems and fundamental decisions on heating, ventilation and air conditioning of premises

The design documentation for heating, general exchange and smoke ventilation of the school is made on the basis of:

• Technical assignment for the development of design and working documentation "Complex of residential buildings, consisting of 3 multi-storey residential buildings with built-in and built-in non-residential premises, a preschool educational institution, a school institution and an underground parking lot at: Moscow, Mitinskaya St., st. 30 (North-West administrative district)"

• Specifications No. 9/448 of 29.09.2010 issued by MOEK OJSC;

• Architectural and construction drawings developed by IPRProekt LLC.

The design documentation is in accordance with:

• SNiP 41012003 "Heating, ventilation and air conditioning";

• - SNiP 3.05.0385 "Thermal networks";

• - SNiP 41022003 "Heat Networks";

• - SNiP 41032003 "Thermal insulation of pipelines";

• SNiP 230199 "Construction climatology";

• SNiP 23022003 "Thermal protection of buildings";

• GOST 3049496 Residential and public buildings. Indoor microclimate parameters;

• TSN 313062004 (MGSN 4.0603) General education institutions;

• TSN 313202000 (MGSN 4.1498) Catering enterprises;

• TSN 3131098 Fitness institutions;

• SNiP 31062009 Public buildings and structures;

• SNIP 210197 "Fire safety of buildings and structures";

• GOST 3049496 Residential and public buildings. Indoor microclimate parameters. "

Design parameters of air in rooms are taken as per

• GOST 3049496 Residential and public buildings. Indoor microclimate parameters;

• TSN 313062004 (MGSN 4.0603) General education institutions;

• TSN 313202000 (MGSN 4.1498) Catering enterprises;

• TSN 3131098 Physical education and health facilities;

• SNiP 31062009 Public buildings and structures;

• Reference manual for SNiP 2.08.0289 Sports facilities.

Developed by ITP, located on the basement of the school in room 004.

The design provides for the installation of heating system circuits, heating system, heat supply system of plenum plants and WCS systems - shut-off interflanges disk rotary gates of Tecofi Tmax = 130 ° C, Ru = 16 bar .

Locking valves for welding are installed on branches from distribution headers - ball valves of type X3444S from Danfoss, Tmax = 200 ° C, Ru = 63/40/25 bar .

For emptying the system in the lower points, nozzles with shut-off valves for lowering water (discharge devices) Dn 25 mm are provided.

Ball valves are used as shut-off valves for coolant lowering, and connectors with valve-type shutoff valves with 15 mm Dn are provided for air discharge at high points of all pipelines.

Separate connectors Dn 40 mm are provided for pneumatic hydraulic washing of each system.

Based on the assignment from the section "Heating, ventilation and air conditioning," the maximum resistances are accepted:

- in the heating system - 10.0 m of water. St.

- in the heating system of ventilation systems - 10.0 m of water. St.

On the "Internal water supply" section, the head in the WAN system is accepted: in T3- 32.0 m.w. Art., in T4- 13.0 m.w. St.

The pressure drop in heat-consuming systems and at the input to ITR should be clarified during the development of detailed documentation.

For cooling of water up to the temperature of equal 40 wasps allowed by designs of the drainage pump, the drainage of systems of a heat consumption is carried out in a reception open tank of 1.5 m3 with a rupture of a stream. After cooling to lower the heat carrier in the water-collecting priyamok 0.5х0.8х0.8 in size located in a floor of thermal point. Cover the pit with removable grille.

To pump water from the catchment pit to the Central Heat Station, two drainage pumps of the Unilift KP type are provided... AV1 of Grundfos company with electric drives or the same, one of which is backup (ordered in a separate section). The pump Unilift KP...AV1 is allowed to be used for emergency pumping of water with a temperature of 95 wasps (for example, at accident in the systems of a heat consumption). After that, it is mandatory to conduct an audit in the service center, if necessary - repair or replacement.

The pump is activated by the controller when the level sensor is closed.

Local and automatic pump control structure is provided.

For uniform operation of pumps it is possible to change the order of pumps actuation during automatic control.

A pump designed to pump water out of the catchment pit is not allowed to be used to flush heat consumption systems.

Insulation of pipelines shall be provided with 32 mm thick Kaiflex foam rubber products. Isolation valves are not isolated. Thermal insulation shall be performed in accordance with the requirements of SNiP 41032003.

Anti-corrosion coating of pipes - paint BT177 GOST 563179 * in two layers, according to primer GF021 GOST 2512982 in one layer. The total thickness of the coating is 0.5 mm.

Information about the need for a pair.

You do not need to use steam in this object.

8 Substantiation of optimum location of heating equipment, characteristics of materials for fabrication of air ducts

The location and characteristics of heating and ventilation equipment are described in section 5231211IOS4.5 "School institution. Heating, ventilation and air conditioning. "

9 Rationale of air duct routing of ventilation systems - for industrial objects

The designed building is a public object. Rationality of air ducts routing of ventilation systems is not required.

10 Description of technical solutions ensuring reliability of operation

Systems in extreme conditions

Systems operation in extreme conditions is not provided in this section. Technical solutions ensuring reliability of their operation are not required .

Reliability of heat-consuming systems operation is provided by thermal mechanical solutions of the central heat station (CTP), developed by a separate project.

11 Description of automation and dispatching systems for heating, ventilation and air conditioning control.

The automation section shall provide dispatching in accordance with the specifications.

Automation and control of technological processes is developed in CTP and should provide for:

- ALT of heating system circulation pump;

- heating circuit makeup in automatic mode;

- alarm of equipment state;

- maintaining the required differential water pressure in the supply and return pipelines of heat networks at the input to ITR when the actual differential pressure exceeds the required one ;

- provision of minimum specified pressure in the return pipeline of the heating system at its possible decrease;

- maintaining the required differential water pressure in the supply and return pipelines of the heating systems due to the control of the number of revolutions of the circulation pump;

- protection of heat consumption systems against increase of pressure or temperature of water in pipelines when permissible parameters can be exceeded;

- limitation of maximum water flow from the heat network to the heat point by closing the heating heat flow regulator valve;

- control of heat (heat flow) supply to heating systems depending on changes in ambient air parameters in order to maintain the specified air temperature in heated rooms.

Weather compensation and control of water temperature in the heating and ventilation system during the heating season is carried out in the CTP and should provide for:

- automatic maintenance of the specified temperature mode of the heating system depending on the ambient temperature;

- night decrease of coolant temperature in the heating system of non-residential rooms .

It is envisaged to switch on and off the drain pumps in the ITP according to the specified water levels in the drain pit, to be developed by a separate project.

12 Characteristics of process equipment releasing harmful substances - for industrial facilities

The designed building is a public object. There is no process equipment that releases harmful substances.

13 Justification of the selected gas and dust purification system - for production facilities

The designed building is a public object. Gas and dust cleaning systems are not required.

14 List of measures to ensure efficiency of ventilation systems operation in emergency situation (if necessary)

Not required. The ventilation section is developed by a separate project.

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