Slideshow

Manholes

Precast concrete manholes are used in sanitary sewer and storm drain systems for  maintenance access, observation points, changes in pipe size or direction, and junctions for multiple pipes.

 

EBR QPL:  Gainey’s is an approved manufacturer of Precast Manholes for EBR Parish.


Specifications

 

CONCRETE: Class 1 concrete with design strength of 4500 PSI at 28 days
REINFORCEMENT: Conforms to ASTM C478 – “Standard Specification for Precast Reinforced Concrete Manhole Sections”
CASTING: Cast iron manhole ring and cover shall be nominal 24 inch and shall be traffic duty.

 


Options

  • Straight Base or Extended Base  Sections
  • Riser Sections in 1’, 2’, 3’, and 4’ Sections
  • Eccentric Cones in 2’ and 3’ Sections
  • Grade Rings in 4” and 6” Sections or as Required
  • Flexible rubber connectors available in most sizes to accommodate pipe penetration
  • Interior/Exterior Coating and Steps

Standard Drawings Available

48″ Extended Base PDF
60″ Air Release PDF
EBR 48″ Standard PDF
48″ New Orleans Style with Brick Grade Rings PDF

 

Gainey’s Facebook Feed

We have a great precast plant...

Here is one of several multi-piece tanks being dry fitted and water tested prior to field installation. We now build above ground sewer treatment systems that can handle the hydraulic loads of above ground installation
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Wednesday August 16th  ·  

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Sterlington 50,000 GPD
Install day 3.....

We get so attached to these systems...

Our guys are claiming "best set of the year"...

We laugh- we hear that every job. These guys are a throw back to quality and pride in one's work- we love them and they are......

Gainey's Material through and through!!!
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Wednesday August 16th  ·  

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Sterlington Sports Complex
This 50,000 GPD for this facility North of Monroe LA is going in quickly. Thanks to our friends at Delta Process for being great partners!
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Tuesday August 15th  ·  

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