MASTER'S THESIS - SuSanA

4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.6
4.4.7
4.4.8
Conversion of the existing septic tank into
a dortmund tank; shaping an inverse cone
(alternatively trapezium) by filling with
concrete; suface to be smooth; concrete
(German specification) C 30/WU (= floor
quality, not water permeable)
Conversion of the existing septic tank into
a dortmund tank; installation of the sludge
bed feeding pipe with valve and elbow
(materials are listed in ...) in the tank; the
opening has to be in the middle of the
cone, 5 cm above the bottom
22 m³ 15120 332,640
1 pc 15000 15,000
Conversion of the existing septic tank into
a Pump chamber, installation of a PE pipe,
100 mm as inflow from sludge drying bed
1 pc 20000 20,000
Conversion of the existing septic tank;
installation of new covers 2 pc 10000 20,000
Water collection tank for reuse; inner
measures: 3*3*2,25(high) meters, with one
inspection opening; with two openings for
the watertight insertion of waste water
pipes 150 mm as inflow and overflow; one
opening in the ceiling for reuse water pipe
100 mm 1 pc 250000 250,000
Control and outflow manhole precast
concrete, diameter 1000 mm, 1,2 m depth
2 pc 41000 82,000
Cylinder for scum layer retention: PVC-
Pipe, 400 mm diameter, 500 mm high;
installation in Dortmund tank with inox
attachments, preferrably to the ceiling,
alternatively to the walls. 1 pc 2200 2,200
Emptiying and cleaning of the existing
septic tank as preparation for the
installations 1 pc 40000 40,000
Title sum 761,840
Craft sum 1,549,452
5. Craft: Plantations
5.1 Title: Planting
5.1.1
Reed (Phragmites communis), 14-cm-pot,
delivery and planting in filterbed, 5
pieces./m² 2750 pc 100 275,000
Title sum 275,000
Craft sum 275,000
Grand Total 4,916,182
TVSH 20% 983,236
Shuma 5,899,418