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Features and operating principle

Precast concrete Bicameral/Tricameral Underground Septic Tanks made in compliance with the UNI EN 12566-1 standard by a company operating with a quality system in compliance with the UNI EN ISO 9001 regulation must ensure a suitable continuous input, permanence of untreated slurry and clarified slurry as an output. Walls must be waterproof; the tank must be completely underground and equipped with a ventilation pipe such to avoid foul odors. Bicameral/tricameral septic tanks must have an access door on top for regular inspections. Sludge and crust extraction is performed on a regular basis, usually from 1 to 4 times a year. Biogas produced during fermentation is released through the side vents next to the inlet opening, which must always be connected and led to the top cover.

Precast concrete bicameral/tricameral septic tanks are composed of a series of adjacent compartments connected with each other by systems aimed at reducing sludge and foam transition. This kind of septic tanks are composed of 2 or 3 compartments with different volumetric ratios between them - 2:1 and 2:1:1 - with a venting pipe for gas outlet, installed at a suitable height to avoid smell.

Supply specifications

Delivery and installation of Underground Bicameral / Tricameral septic Tank manufactured in DECLARED SERIES Mod. VSB____ or VST____ , UNI EN 12566-1 compliant, with external dimensions: cm.___x___x h.___ , effective volume ______ lt, for____P.E. with 250/225 lt., for____P.E. with 200 lt., for ____P.E. with 150 lt., manufactured by EDIL IMPIANTI 2 S.r.l. with UNI EN ISO 9001 and ISO 45001 management system made of monoblock vibrated concrete, reinforced with stainless steel vertical pillars and horizontal beams, with CE-certified materials, concrete in compressive strength class C45/55 (RCK >55 N/mm²), internal improved-adhesion steel reinforcements checked in our plant, GREESMIX5® steel fibers (patent No. 0001421398 issued by the Ministry for Economic Development) and electro-welded square mesh B450C, with certification of CHEMICAL RESISTANCE and REACTION TO FIRE (Class A1) issued by an external body based on UNI EN standards.
The Bicameral/Tricameral Tank is delivered with:
- inlet/outlet opening arrangement;
- inlet-side vent arrangement;
- Vibrated reinforced concrete partition wall/s with connection holes for compartment partition.

The Bicameral/Tricameral Septic Tank can - on demand- be equipped with:
- PVC tee connections or AISI 304 stainless steel baffles.

Regulation

UNI EN 12566-1 small wastewater treatment systems up to 50 PE Part 1: precast septic tanks.

Leg. Decree 152/06 and resolution of the Emilia-Romagna Regional Council 1053/2003 domestic wastewater not discharged into public sewers, discharge into surface water.

Fields of application

Civil residence systems, slaughterhouses, wine cellars, cheese factories, food industry, conservation industry, pasta manufacturers, pastry manufacturers, fish industry, laundry services, civil residence, blocks, restaurants, hotels, hospitals, communities, canteens, catering services, schools, bars, camping sites, bathing establishments, service stations, meal production centers.

Suggestions and technical information

The concrete Septic Tank and the Imhoff Tank are a primary pre-treatment and must be integrated with: Biodiscs, activated sludge, constructed wetland, MBBR, MBR, SBR, reedbeds, biological aerated filters (BAFs), aerobic and anaerobic trickling filters.

Bicameral Septic Tank Dimensions

Download E.U. dimensions


Select Article Code to access the E.U. dimensions for the product.

Article Code

Data Sheet Download


Select Article Code to access the Data Sheet for the product.

Article Code

Article
Code
Usable
Volume (lt)
lt.
250
for P.E.
lt.
225
for P.E.
lt.
200
for P.E.
lt.
150
for P.E.
External Dimensions
Septic Tank (cm)
Tank Weight
(ql)
Cover slab weight (ql)
Width Length   Height   h. 10 cm
B125
h. 15 cm
C250
h. 20 cm
D400
VSB01 1.450 5 6 7 9 125 130 150 21,7 4,0 6,1 8,1
VSB02A 1.770 6 7 8 11 125 180 130 23,3 5,6 8,4 11,2
VSB02 2.110 8 9 10 14 125 180 150 26,5 5,6 8,4 11,2
VSB03B 2.500 10 11 12 16 175 180 130 30,9 7,8 11,7 15,6
VSB03 3.010 12 13 15 20 175 180 150 32,7 7,8 11,7 15,6
VSB04 3.870 15 17 19 25 180 240 150 52,5 10,7 16,1 21,5
 
VSB04B 3.990 15 17 19 26 180 180 200 53,6 8,0 12,1 16,1
VSB05 5.040 20 22 25 33 180 220 200 61,7 9,8 14,8 19,7
VSB06 6.350 25 28 31 42 180 270 200 70,2 12,1 18,1 24,1
VSB07 7.660 30 34 38 51 180 320 200 78,6 14,3 21,5 28,6
VSB07A 8.970 35 39 44 59 180 370 200 87,0 16,5 24,8 33,1
VSB08A 10.290 41 45 51 68 180 420 200 95,5 18,8 28,2 37,6
VSB09 11.600 46 51 58 77 180 470 200 104,0 21,0 31,5 42,0
VSB09A 12.910 51 57 64 86 180 520 200 112,4 23,3 34,9 46,5
VSB09B 14.220 56 63 71 94 180 570 200 120,9 25,5 38,2 51,0
VSB10 14.450 57 64 72 96 246 420 200 118,4 25,7 38,5 51,3
 
VSB12 18.860 75 83 94 125 246 420 250 138,1 25,7 38,5 51,3
VSB13 21.280 85 94 106 141 246 470 250 154,7 28,7 43,1 57,4
VSB14 23.700 94 105 118 158 246 520 250 165,9 31,8 47,7 63,6
VSB16 28.530 114 126 142 190 246 620 250 188,3 37,9 * 56,8 * 75,8 *
VSB19 35.790 143 159 178 238 246 770 250 227,2 47,1 * 70,6 * 94,1 *
VSB22 43.040 172 191 215 286 246 920 250 260,8 56,2 * 84,3 * 112,4 *
VSB23 45.460 181 202 227 303 246 970 250 277,4 59,3 * 88,9 * 118,5 *

* Cover Slab divided into two parts
The data reported is purely indicative

Bicameral Tank Miniblock version Dimensions

Download E.U. dimensions


Select Article Code to access the E.U. dimensions for the product.

Article Code

Data Sheet Download


Select Article Code to access the Data Sheet for the product.

Article Code

Article
Code
Usable
Volume (lt)
lt.
250
for P.E.
lt.
225
for P.E.
lt.
200
for P.E.
lt.
150
for P.E.
External Dimensions
Septic Tank (cm)
Tank Weight
(ql)
Cover slab weight (ql)
Width Length   Height   h. 10 cm
B125
h. 15 cm
C250
h. 20 cm
D400
VSB-MK1A 990 3 4 5 6 120 170 100 22,0 5,0 8,0 10,0
VSB-MK2A 1.340 5 6 7 8 120 220 100 26,0 7,0 10,0 13,0
VSB-MK3A 1.690 6 7 8 11 120 270 100 31,0 8,0 12,0 16,0
VSB-MK4A 2.040 8 9 10 13 120 320 100 35,0 10,0 14,0 19,0
 
VSB-MK1B 1.700 6 7 8 11 120 170 150 30,0 5,0 8,0 10,0
VSB-MK2B 2.300 9 10 11 15 120 220 150 36,0 7,0 10,0 13,0
VSB-MK3B 2.900 11 12 14 19 120 270 150 42,0 8,0 12,0 16,0
VSB-MK4B 3.500 14 15 17 23 120 320 150 47,0 10,0 14,0 19,0
 
VSB-MK1C 2.490 9 11 12 16 120 170 205 39,0 5,0 8,0 10,0
VSB-MK2C 3.360 13 14 16 22 120 220 205 46,0 7,0 10,0 13,0
VSB-MK3C 4.240 16 18 21 28 120 270 205 53,0 8,0 12,0 16,0
VSB-MK4C 5.110 20 22 25 34 120 320 205 60,0 10,0 14,0 19,0

The data reported is purely indicative

Tricameral Septic Tank Dimensions

Download E.U. dimensions


Select Article Code to access the E.U. dimensions for the product.

Article Code

Data Sheet Download


Select Article Code to access the Data Sheet for the product.

Article Code

Article
Code
Usable
Volume (lt)
lt.
250
for P.E.
lt.
225
for P.E.
lt.
200
for P.E.
lt.
150
for P.E.
External Dimensions
Septic Tank (cm)
Tank Weight
(ql)
Cover slab weight (ql)
Width Length   Height   h. 10 cm
B125
h. 15 cm
C250
h. 20 cm
D400
VST04 3.720 14 16 18 24 180 240 150 57,8 10,7 16,1 21,5
 
VST05 4.830 19 21 24 32 180 220 200 69,0 9,8 14,8 19,7
VST06 6.140 24 27 30 40 180 270 200 77,5 12,1 18,1 24,1
VST07 7.450 29 33 37 49 180 320 200 85,9 14,3 21,5 28,6
VST07A 8.760 35 38 43 58 180 370 200 94,3 16,5 24,8 33,1
VST08A 10.080 40 44 50 67 180 420 200 102,8 18,8 28,2 37,6
VST09 11.390 45 50 56 75 180 470 200 111,3 21,0 31,5 42,0
VST09A 12.700 50 56 63 84 180 520 200 119,7 23,3 34,9 46,5
VST09B 14.010 56 62 70 93 180 570 200 128,2 25,5 38,2 51,0
VST10 14.080 56 62 70 93 246 420 200 128,8 25,7 38,5 51,3
 
VST12 18.380 73 81 91 122 246 420 250 151,3 25,7 38,5 51,3
VST13 20.800 83 92 104 138 246 470 250 167,9 28,7 43,1 57,4
VST14 23.210 92 103 116 154 246 520 250 179,1 31,8 47,7 63,6
VST16 28.050 112 124 140 187 246 620 250 201,5 37,9 * 56,8 * 75,8 *
VST19 35.310 141 156 176 235 246 770 250 240,4 47,1 * 70,6 * 94,1 *
VST22 42.560 170 189 212 283 246 920 250 274,0 56,2 * 84,3 * 112,4 *
VST23 44.980 179 199 224 299 246 970 250 290,6 59,3 * 88,9 * 118,5 *

* Cover Slab divided into two parts
The data reported is purely indicative

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