 |
|
|
 |
| Drainage pipes manufacture: slotted pipes specially designed for meteoric water drainage. HDPE pipes for drainage system with different dimension slots |
|
"DRENOBLOCK"
System for collect and elimination of rainwater
Advantages:
. Reduces rainwater flow rates into the main sewer
. Is the best solution for rainwater elimination in the private, industrial and public sector
. Offers a high collect volume (equal at 95% of the cell volume) resulting in an excavation volume 3 to 4 times lower than in traditional systems where gravel is used
. The system modularity allows to create drainage systems of all dimensions
. Resists to loads caused by traffic
. Is a substantial alternative to concrete absorbing manholes
. Is easy to handle and install
|
Technical characteristics |
 |
|
1.
|
Material: Polypropylene |
| 2. |
Dimensions:
(width.x length.x height.): 1200 x 600 x 600 mm |
| 3. |
Connections:
1 x ND 160 |
| 4. |
Module volume: 432 Litres |
| 5. |
Installation
depth: at least 60 cm |
| 6. |
Resistance to
crushing:
. Drenoblock 1 (without traffic)
. Drenoblock 2 (medium traffic)
. Drenoblock 3 (heavy traffic) |
| 7. |
Dimension slots
by-pass pipe
Slots at 220° or 360°
Collection surface > 130 cm2/ml
Width slots = 1.5 mm
Length slots = 36 mm |
| 8. |
Module weight:
from 12 to 20 kg depending on use. |
| Specification
for the contract
Drenoblock |
|
|
Fornitura e posa in opera di celle drenanti in polipropilene
per la raccolta e la dispersione delle acque meteoriche.
Le celle dovranno avere le seguenti caratteristiche:
- dimensioni pari a 1200 x 600 mm x altezza = 600 mm;
- grado di vuoto superiore al 95%;
- foro nella parte centrale della cella, al cui interno dovrà
essere posizionato un tronchetto di tubo corrugato in polietilene
a doppia parete SN 8 DN/OD 160 fessurato a 360°, compreso nel
presente articolo.
Le celle dovranno avere una resistenza allo schiacciamento tale da
poter essere posizionate in una area con la presenza di……… (senza
traffico, traffico medio e traffico pesante).
Le celle dovranno essere posate affiancate o sovrapposte.
L'intero sistema dovrà essere protetto lateralmente e sulla
sommità da un geotessile non tessuto a filamenti continui
agugliato meccanicamente in polipropilene a stabilizzato ai raggi
U.V., compreso nel presente articolo.
Le celle dovranno essere certificate da un ente di certificazione
europeo.
|
Dimensions
The number of Drenoblock to be installed depends on rainfall, covered areas and k permeability coefficient
| k1 (m/s) |
|
r/15,n=1 =
100 l/(s*ha) |
r/15,n=1 =
150 l/(s*ha) |
| |
|
A=
100m2 |
A=
150m2 |
A=
200m2 |
A=
100m2 |
A=
150m2 |
A=
200m2 |
1*10-4
(coarse sand) |
volume in m3 |
1,75 |
2,62 |
3,50 |
2,62 |
3,94 |
5,25 |
| |
N° of Drenoblock |
4 |
6 |
8 |
6 |
9 |
12 |
1*10-5
(fine sand) |
volume in m3 |
2,33 |
3,50 |
4,66 |
3,50 |
5,25 |
7,00 |
| |
N° of Drenoblock |
5 |
8 |
11 |
8 |
12 |
16 |
1*10-6
(clay) |
volume in m3 |
2,58 |
3,87 |
5,16 |
3,87 |
5,80 |
7,73 |
| |
N° of Drenoblock |
6 |
9 |
12 |
9 |
13 |
18 |
|
Instructions for installation
Depending on the space, the modules are simply installed one next to the other or placed one on top of the other.
Feeding pipes can be inserted into the Drenoblock system close to the corresponding openings DN160 or other suitable point.
The system is then protected on top and side by a geo-textile cloth and finally covered with excavation soil.
All infiltration systems should take into account the following conditions:
- Distance from the foundations >6m;
- Distance from the groundwater >1m.
|
Drainages range