Hancor Sure-Lok
WT Pipe Specification
Scope
This specification describes 4" - 10 " (100 - 250mm) Hancor
Sure-Lok WT pipe for use in nonpressure drainage applications.
Pipe Requirements
Sure-Lok WT pipe shall have a smooth interior and annular exterior corrugations.
- 4" - 10 " (100 - 250mm) shall meet AASHTO M252, Type S.
- Manning’s “n” value for use in design shall be
0.010 to 0.012.
Joint Performance
Pipe shall be joined with the Sure-Lok joint meeting the requirements
of AASHTO M252. The joint shall be watertight according to the laboratory
requirements of ASTM D3212. Joints shall remain watertight when subjected
to a 1.5 degree axial misalignment.
Gaskets shall be made of polyisoprene meeting the laboratory requirements
of ASTM F477 with the addition that the gaskets shall not have any visible
cracking when tested according to ASTM D1149 after 72 hour exposure in
50 PPHM ozone at 104°F (40°C).
Gaskets shall be installed by the pipe manufacturer and covered with
a removable wrap to ensure the gasket is free from debris. A joint lubricant
available from the manufacturer shall be used on the gasket and bell during
assembly.
Fittings
4" - 10 " (100 - 250mm) fittings shall conform to AASHTO M252.
Material Properties
Virgin material for pipe and fitting material shall be high density polyethylene meeting
ASTM D3350 minimum cell classification 324420C for 4" - 10 " (100 - 250mm)
diameters.
Installation
Installation shall be in accordance with ASTM D2321 with the exception
that minimum cover in trafficked areas shall be one foot (0.3m).
Pipe Dimensions
|
Nominal Pipe I.D., in
(mm)
|
4
(100)
|
6
(150)
|
8
(200)
|
10*
(250)
|
|
Approx. Pipe O.D., in
(mm)
|
4.7
(119)
|
6.9
(175)
|
9.4
(239)
|
11.9
(303)
|
|
Approx. Pitch, in.
(mm)
|
0.6
(16)
|
0.7
(19)
|
1.0
(26)
|
13.1
(333)
|
|
Approx. Weight*
lb/ft
(kg/m)
|
.33
(0.49)
|
1.0
(1.5)
|
1.5
(2.2)
|
3.0
(4.47)
|
*One stick is 20' (6m) for 4" - 10 " (100 - 250mm) diameter pipe.
* Check with sales representative for availability
SURE-LOK WTJoint System
(Joint configuration & availability subject to change without notice.)
|
