View WA producer mapView OR producer mapView ID producer mapView BC producer map
Go to the PNPCA Home pageFind out moreBecome a memberView upcoming eventsFind technical product information hereContact the PNPCAFor members only

 
     
Technical Information

 
  Box Culverts
Precast box sections are recommended for installations where circular concrete pipe cannot provide adequate flow capacity, and as a superior substitute for cast-in-place box culverts, long span metal arches, short bridges, and multi-barrel circular culverts or drains.
view doc    
     
  Catch Basins
Precast catch basins are the most widely used storm drainage product on the market. Concrete catch basins can be constructed in a variety of shapes and sizes and can be designed to meet specific site conditions.
view doc    
     
  Manholes
This information covers structural performance, quality, economics, risk management, durability, and design. The following table is also included: basic dimensions of manholes.
view doc    
     
  Reinforced Concrete Pipe (RCP)
Excellent information covering design and installation including: evaluating hydraulic requirements; selecting standard installations, evaluating maximum and minimum heights of cover; and specifying pipe size and class. The following tables are also included: full flow discharge coefficients, standard installation trench detail, standard installations, standard installation soil categories, and full flow discharge coefficients.
view doc    
     
  Tanks
If you would like information on tanks, please click here. Precast Concrete Tanks, also known as Septic Systems are sewage treatment systems common in areas with no connection to main sewage pipes. These tanks provide an environmentally sound method of waste disposal.
view doc    
     
  Vaults
If you would like information on vaults please click here. This information covers structural performance, quality, economics, risk management, durability, and design.
view doc    
     
  Alternative Products
Retaining walls, window and vent wells, trench drains, storm water treatment, arches/bridges, walls and more.
 
view doc    

 

FREE Design Software
Request now your complimentary copy of the PipePac 2003 Software Program. This offer is limited to engineers, contractors, specifiers of precast concrete products and engineering students only in the Pacific Northwest while supplies last and on a first-come, first-served basis.

 

Viewing Technical Brochures
To view our technical brochures, please download and install Adobe Reader. This program will enable viewing of PDF files.
[Download Reader]