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Central heating project 3,754 MW
Design, working documentation, including estimates, and the results of engineering surveys for the construction and reconstruction of the heat supply system
Technical and economic characteristics of the capital construction object
Land area, ha: 0,0245
Building area, m2: 32,1
Total building area, m2: 29,4
Construction volume of the building, m3: 104,5
Number of floors, floor: 1
Length of engineering networks, including: lm: 776,22
Heating networks, lm: 734,64
Water disposal networks, lm: 8,6
Power supply networks, lm: 60,0
Communication networks, pm: 10,0
Estimated cost at the 2001 base price level (without VAT)
Total: thousand rubles: 5170,78
Construction and installation works, thousand rubles: 2887,24
Equipment, thousand rubles: 811,56
Other expenses, thousand rubles: 1471.98
including:
PIR, thousand rubles: 873,15
refundable amounts, thousand rubles: 57,50
Estimated cost at the current price level as of August 2011 (including VAT)
Total: thousand rubles: 25879,44
Construction and installation works, thousand rubles: 16117,85
Equipment, thousand rubles: 2978,25
Other expenses, thousand rubles: 6783,34
including:
PIR, thousand rubles: 3845,12
VAT, thousand rubles: 3900,94
refundable amounts, thousand rubles: 290,61
Technical solutions
The central heating center is equipped with modern thermal and mechanical equipment and valves, namely: Wilo pumps, VFG2 control valves from DANFOSS, Vexve steel ball valves, BASIC nickel-plated ball valves, ferromagnetic filters, check valves, balancing valves from "Tecofi", safety valves OR.1831. To ensure the required temperature at the outlet of the CHP, a mixing unit is provided with regulation of the supply network water by a two-way valve from Sauter. Pumps K1 provide circulation and the necessary differential at the consumer. To reduce heat losses and meet safety requirements, thermal insulation of surfaces with temperatures above 40 °C is provided. Universal flexible insulation based on synthetic rubber, brand Armaflex, was adopted as the main heat-insulating material.
Architectural and building solutions
The CTP building consists of two attached premises, a rectangular central heating room with dimensions of 7,0 x 3,2 m and a diesel generator room with dimensions of 3,7 x 3,2 m. The height of the building to the top of the roof ridge is 3,34 m . The smoke flue from the diesel generator set is mounted along the facade of a residential building and is led out 1,5 m above the roof. The frame of the central heating building is made of steel structures. The fire resistance of the building structures of the building is ensured by a set of measures for fire protection (OK.04.11 / ST-OZ), which includes coating with fire-retardant material "Krauz-R". Enclosing structures made of sandwich panels 100 mm thick, with non-combustible insulation. The roof structure is made of a profile sheet, a heat-insulating layer, fiberglass and a polymer membrane on metal beams, with a slope angle of 3 degrees. The spatial rigidity of the blocks is ensured by the presence of horizontal braces and braces, as well as a system of horizontal braces along the coating. Cross-section and material of the main load-bearing structures of the frame: frame columns are made of a rectangular closed profile 150x100x6 mm in accordance with GOST 30245-2003 from ST255 steel (GOST 27772-88); bearing elements of the coating are made of a square profile 100x6 mm according to GOST 30245-2003 from steel ST255 (GOST 27772-88); WITHdegree of fire resistance of the building II. Category of premises for explosive and fire hazard - D. The discharge of atmospheric precipitation from the roof is external, organized. Lighting is artificial. For a mark of 0,000, the mark of the clean floor of the boiler room is taken. Baltic coordinate system - 6.120. The color scheme for painting the central heating building is light blue (RAL9006). The foundation of the building is a monolithic reinforced concrete slab 300 mm thick, which is installed on a soil cushion with a total thickness of 1200 mm. The main architectural and design solutions are presented on the drawings of the AS, KZh, KM grades.