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Imhoff Tanks



DESCRIPTION:
The "GAZEBO" IMHOFF TANKS, prefabricated in vibrated reinforced concrete, are available in monobloc or multiple-tank composite types. The monobloc type is made from RcK > 400 kg/sq cm concrete, vibrated on metal caissons and steam cured, reinforced with internal ribs, open face, with total elimination of porosity and gravel nests, with internal steel reinforcement with upgraded adhesion and electrically-welded square mesh type FeB 44K, factory tested, in compliance with Anti-earthquake law Cat. 1.
This article is used in the event of having to treat wastewater from a residential complex with 10 to 250 equivalent inhabitants. It consists of a rectangular tank inside which is the sedimentation compartment, the anaerobic digestion compartment and the foam guards (by means of the installation of hoppers and stainless-steel and polyethylene sheets).

The multiple-tank type on the other hand is used for residential complexes of 300 to 1.000 equivalent inhabitants.
The treatment process inside the Imhoff tanks is split into two stages called sedimentation and digestion, with a total BOD5 abatement performance of around 30%, in full compliance with all applicable regulations.

RECIPIENTS:
Companies, state and private institutes.

FIELDS OF USE:
Residential and industrial buildings.

OPTIONAL ACCESSORIES:
Pedestrian or driveway coverings with cast iron or reinforced concrete man-hole covers, holes, treatments (resin covering and painting) special materials (stainless steel and others).

PHOTO GALLERY:
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TYPE POPULATION EQUIVALENT SENS. VOLUME
Lt.		 EXTERNAL SIZE IMHOFF TANK (A) PEDESTRIAN COVERING load 2ql./mq, (B) (A)
+
(B)		 LIGHT TRAFFIC DRIVEWAY COVERING
load 20ql./mq. (C)		 (A)
+
(C)		 HEAVY TRAFFIC DRIVEWAY COVERING
load 70ql/mq. (D)		 (A)
+
(D)
Code Volume
sed.+dig
200 lt./pop.		 Volume sed.+dig.
250 lt./pop.		 Volume sed.+dig.
lt.		 Wid.
cm.		 Leng.
cm		Heig.
cm.		 Wei.
ql.		 Thick.
cm.		 Wei.
ql.		 Wei.
ql.		 Thick.
cm.		 Wei.
ql.		 Wei.
ql.		 Thick.
cm.		 Wei.
ql.		 Wei.
ql.
Population
equiv.
no.		 Population equiv.
no.
I-0*6
5
1250
100
160
150
27
10
4
31
16
6
33
20
8
35
I-00*9
7
1800
100
160
200
33
10
4
37
16
6
39
20
8
41
I-01*12
9
2400
100
160
250
38
10
4
42
16
6
44
20
8
46
I-02*
13
11
2750
140
160
200
40
10
5
45
16
8
48
20
10
50
I-03*
18
14
3600
140
160
250
45
10
5
50
16
8
53
20
10
55
I-04*
21
17
4250
160
250
170
50
10
9
59
16
14
64
20
18
67
I-05*
24
19
4800
160
180
250
53
10
7
60
16
11
64
20
14
68
I-06*
26
21
5300
160
250
200
56
10
9
65
16
14
70
20
18
74
I-07*
35
28
7000
160
250
250
65
10
9
74
16
14
79
20
18
83
I-08*
40
32
8000
160
290
250
71
10
10
81
16
17
88
20
20
91
I-09*
44
35
8800
250
200
250
72
10
11
83
16
19
91
20
22
94
I-10*
55
40
11000
250
250
250
82
10
14
96
16
24
106
20
28
110
I-11
75
60
15000
250
325
250
103
10
19
122
16
31
134
20
38
141
I-12
90
70
18000
250
400
250
122
10
23
145
16
38
160
20
46
168
I-13
100
80
20000
250
450
250
135
10
26
161
16
43
178
20
52
187
I-14
125
100
25000
250
550
250
155
10
32
187
16
52
207
20
64
219
I-15
150
120
30000
250
650
250
183
10
38
221
16
62
245
20
76
259
I-16
175
140
35000
250
750
250
210
10
44
254
16
72
282
20
88
298
I-17
225
180
45000
250
950
250
256
10
56
312
16
92
348
20
114
370
* branded product

FOR HIGHER TREATMENT POTENTIALS, PLEASE CONTACT THE MARKETING DEPARTMENT
THE CAST IRON INSPECTION MANHOLES PLACED ON THE PEDESTRIAN COVERINGS ARE CLASS B125
THE CAST IRON INSPECTION MANHOLES PLACED ON THE LIGHT TRAFFIC DRIVEWAY COVERINGS ARE CLASS C250
THE CAST IRON INSPECTION MANHOLES PLACED ON THE HEAVY TRAFFIC DRIVEWAY COVERINGS ARE CLASS D400
THE MINIMUM THICKNESS OF THE FOOTING SHALL BE 20 cm, AND IT SHALL BE REINFORCED WITH A DOUBLE ELECTROWELDED STEEL MESHWORK, diam. 8 mm., mesh 20x20 cm.
A 3-5 cm THICK SAND LAYER SHALL BE PLACED ON THE FOOTING, TO LAY THE PREFABRICATED STRUCTURES


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