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PLASTIC CULVERT DOUBLE WALL

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N-12® Double Wall Smooth Interior Pipe

N-12 has built an impressive service record in storm water and other drainage applications where hydraulics are important and durability is critical. The pipe is offered in diameters from 4" through 36" in 20 ft. lengths.

Corrugated exterior adds strength
The natural toughness of HDPE is enhanced by the corrugated exterior that increases the structural strength of N-12 pipe. It is designed for use under both H20 and E80 live loads, or with fill heights of 50 feet or more. In fact, field research shows the pipe performing well at depths exceeding 100 feet. Even under harsh backfill conditions and shifting soils, N-12 has continued to give outstanding performance.

Smooth interior provides superior flow
In order to meet the most demanding hydraulic requirements, N-12 is manufactured with a smooth inner wall. This design ensures maximum flow capacity, and PE's resistance to abrasion and corrosion will sustain this capacity for years into the future. With its 0.012 rating, the pipe is ideal for applications requiring low Mannings "n" values.

Fast, easy joining and installation
N-12's light weight leads to a number of job site economies: more pipe per delivery truck, easier handling, smaller crews, less heavy equipment, less pipe damage, and better safety. The pipe cuts easily and requires no beveling for joining.

AASHTO Specification M 252
AASHTO Specification M 294

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Steel Framing | Roofing | Purlins / Girts | Cutting Edges | Roof Decking | Rub Rail | Guardrail
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SELECTED AREAS OF OROVILLE, DURHAM, CHICO, CORNING, RED BLUFF, ORLAND, WILLOWS, PRINCETON
COLUSA, LINCOLN, WHEATLAND, YUBA CITY, MARYSVILLE, LIVE OAK, GRIDLEY & BIGGS

*FREE ZONE ($500 MINIMUM ORDER) = ONCE WEEKLY (CALIFORNIA, USA ONLY)
SELECTED AREAS OF GRASS VALLEY &  NEVADA CITY

PAPERBACK  /  56  B&W PAGES  /  5.5" x 8.5"
CONTAINS SIZES, DIMENSIONS & WEIGHTS OF BASIC SHAPES IN MILD STEEL
LIKE ANGLE, CHANNEL, FLAT, TUBE, SHEET, PIPE, BEAM, ETC  
SOME BASIC INFO ON CHEMISTRY & MECHANICAL PROPERTIES FOR MILD STEEL ITEMS
SOME BASIC FORMULAS, TOLERANCES & DECIMAL CHARTS

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