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Tender specification – product items |
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Product description |
Unit price
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Total price |
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2.1
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KrahPipe DN/ID ……….
made of PE 100,
General requirements acc. to EN 13476, DIN 16961 and DIN 16917,
with structured or solid wall, raw material approved for gravity and pressure application, with a coextruded and inspection-friendly inner-surface.
Minimum wall thickness acc. DIN 16961, ring-stiffness according to static requirements, with integrated Electrofusion Socket and spigot
As required in installation lengths up to 6,0 m transported to construction site, properly uploaded, stored, lowered into the trench at a sufficient height and correctly aligned on foundation, have to be according to the installation regulations described in DIN EN 1610 and installation-manual of pipe supplier.
Welding-Joints have to be according to the manual of the pipe supplier:
- Electro fusion socket with integrated brass heating wire
in meander-shape, diameter Æ 2 mm ± 3/100)
- Structural static proof acc. DWA A 127
safety factor: …
max.: cover in m .......
min.: cover in m ......
traffic load: truck ..........
max. ground water lever above pipe crown (longtime), in m: ......
max. ground water lever above pipe crown (short time), in m: .....
bedding: base group/Dpr ........ %
ground soil: base group/Dpr ……. %
- The proofed static calculation has been submitted
before start of installation
........... meter
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2.2
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KrahPipe - fitting piece DN/ID ........
made out of PE 100, as described at Item 1, as gap closure, with coextruded and inspection friendly inner surface; additional extrusion welding, manually cutting for fitting into trench
pipe lengths ......... m,
incl. cover socket made from PE 100 for extrusion welding
........... pcs.
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2.3
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KrahPipe - standard manhole DN/ID ………
made of PE 100, according to EN 13598, manhole shaft according to EN 13476, DIN 16961 and 16917, wall structure according to DIN 16917 type A1 or A2, with security steps made of PE, with welded channel, berm and bottom.
All weldings are according to DVS 2205, Static calculation of manhole shaft acc. DWA A 127 by using adequate software. The full design has to consider all requirements for raw material, pipe-design, statics and for welding.
The joint between upper shaft and concrete slab/lid has to provide adequate sealing-solution, preferred is a telescopic design to avoid direct axial load induction into the manhole shaft. The chosen design has to be considered in the structural calculation
Construction height from pipe sole up to top edge .......... m,
Manhole shaft DN/ID ……..
Manhole height ……… m over pipe crown
Inlet DN/ID ……
Inlet angle ……°
Outlet DN/ID ……
Outlet angle ……°
Channel inner diameter ......... mm,
Side flow DN/ID ………
See also Item 1
........... pcs
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2.4
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KrahPipe - tangential manhole DN/ID ………
made of PE 100, according EN 13598, manhole shaft according to EN 13476, DIN 16961 and 16917, wall structure according to DIN 16917 type A1 or A2, with security steps made of PE, with welded channel, berm and bottom.
Shaft laterally jointed with main pipe
All weldings according to DVS 2205, Static calculation of manhole shaft acc. DWA A 127 by using adequate software. The full design has to consider all requirements for raw material, pipe-design, statics and for welding.
The joint between upper shaft and concrete slab/lid has to provide adequate sealing-solution, preferred is a telescopic design to avoid direct axial load induction into the manhole shaft. The chosen design has to be considered in the structural calculation
Tangential manholes are recommended for main pipes > DN 1000
Construction height from pipe sole up to top edge .......... m,
Manhole shaft DN ……..
Manhole height ……… m over pipe crown
Inlet DN/ID ……
Inlet angle ……°
Outlet DN/ID ……
Outlet angle ……°
Channel inner diameter ......... mm,
Side flow DN/ID ………
See also Item 1
........... pcs
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2.5
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Segmented bend DN/ID .......,
made of PE 100, fabricated of pipes, described at Item 1, fulfilling all static requirements, all segment-weldings made by Extrusion-welding or butt-fusion acc. to DVS 2207.
Bend-ends with integrated Electro-socket and spigot.
preferred Radius = 1,5 x DN
......... ° angle
........... pcs
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2.6
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Segmented T-branch DN/ID .......,
made of PE 100, fabricated of pipes, described at Item 1, fulfilling all static requirements, all segment-weldings made by Extrusion-welding or butt-fusion acc. to DVS 2207.
T-ends with integrated Electro-socket and spigot.
Main diameter DN...........
Branch diameter DN...........
......... ° angle of branch
........... pcs
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2.7
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Reducer inverted level, DN/ID .......,
made of PE 100, fabricated of pipes, described at Item 1, fulfilling all static requirements, all segment-weldings made by Extrusion-welding or butt-fusion acc. to DVS 2207.
Ends with integrated Electro-socket and spigot.
Main diameter DN...........
reduced diameter DN...........
........... pcs
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2.8
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Wall collar fitting, DN/ID ..........,
made of PE 100, fabricated of solid wall pipes, described at Item 1, with thickened structured wall for axial and radial anchorage in concrete wall, with integrated EPDM puddle flange (tightness-proof up to 1 bar, supplier has to provide independent test-certificate). Puddle flange fixed by stainless steel straps.
........... pcs
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2.9
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HAS House connection fitting, OD ..........made of PE 100,
for house connection, made of 100,
for branch-dimensions OD 125,160,200 and 225 mm
for main pipes DN/ID > 300 mm
installation by using HAS Welding devices only
Installation manual from the pipe supplier has to be respected
........... pcs
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Mr. Sajid Anonuevo at the DPWH-event
Flooding in Cebu
