|706.06 Perforated Concrete Pipe|
2. Sampling and/or Inspection Requirements:
Certified Plant Sampled and Tested Materials:
Sampling is not be required. Material is tested and accepted under certification program S 1074. The Certified Supplier list is on the OMM website @ http://www.dot.state.oh.us/Divisions/ConstructionMgt/Materials/Pages/default.aspx. Materials from non-certified suppliers will not be accepted.
Inspect pipe upon delivery to the project for dimensions and condition. Pipe dimensions shall comply with the appropriate 706.01 or 706.02 tables, depending on the pipe. Perforation dimensions shall be checked for conformance with Table 1 - 706.06. A TE-24 Shipping Notice must be received with the material. If the material fulfills the requirements it may be used immediately. (Field)
If the material does not fulfill the requirements, it shall be rejected. Send a copy of the TE-24 to the Det and notify OMM, Concrete Section.
Any pipe may be rejected containing a spall more than 3/4-inch in diameter or 3/16-inch in depth caused by making the perforation or slot.
Perforations may be Type 1-circular, or Type 2 - slotted. Either type may be used unless otherwise specified.
Each pipe shall be clearly marked in accordance with the class and type specified.
3. Method of Test:
ASTM C 444
Dimensional Requirements for Type 1 - Circular Perforation
|Size Internal Diameter||Rows of Perforations||Spacing of holes in Rows (in.)||Diameter of Holes, in|
|27 or greater||675 and larger||space rows approximately 6 in. (150mm)||3||5/16||3/16|
Note: No perforations on spigot to depth of socket or tongue of pipe for depth of socket + 3/4 in.. Perforations to be uniformly spaced.
Dimensional Requirements for Type 2 Slots
|Size Internal Diameter||Length of Slot (a)||Spacing of Slot (b)||Slot
|4||100||1||25||3||75||1/8 - 3/16|
|6||150||1 ½||38||3||75||1/8 - 3/16|
|8||200||2||50||4||100||1/8 - 3/16|
|10||250||2||50||4||100||1/8 - 3/16|
|12||300||3||75||6||150||1/8 - 3/16|
|14||350||3||75||6||150||1/8 - 3/16|
|15||375||3||75||6||150||1/8 - 3/16|
|16||400||3||75||6||150||1/8 - 3/16|
|18||450||3||75||6||150||1/8 - 3/16|
|20||500||3||75||6||150||1/8 - 3/16|
|21||525||3||75||6||150||1/8 - 3/16|
|24||600||3||75||6||150||1/8 - 3/16|
|27||675 and larger||4||100||6||150||1/8 - 3/16|
(a) Slot length tolerance + 1/4 in. - 1/8 in.
(b) There shall be 2 circumferential uniformly spaced rows of slots, spaced165 degrees apart. Row and hole spacing ± ½ in. Other spacing tolerance permitted to provide ½ in. Cover over the reinforcing steel.
Note: Slots shall not be placed closer than 1 in. greater than the slot spacing nor less than 1 in. from the spigot end of bell and spigot pipe or from the shoulder of the tongue end of tongue and groove pipe.