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Designed to be a more durable, user friendly alternative for handhole/pullbox vaults while maintaining a Tier 15 rating. This large handhole provides protection of  electrical cabling. The box itself is made of High Density Polyethylene (HDPE), much like the material used to make HDPE Conduit that protects the electrical and communications cables within. This material has unmatched resistance to corrosion and chemicals while remaining durable and flexible in extreme cold. 

Installation and maintenance is simplified. The box is light enough for single person installation without the need for heavy lifting equipment. It can be easily sawed for conduit entrance holes or trimmed to custom lengths to match finished grades. The round shape is perfect for coiling excess cabling and seating it on optional hangers attached around the inner circumference. The round cover is easily removed with a simple tool and cannot fall into the box as rectangular ones can.

24″x36″ and 24″x42″ Handholes

Designed to be a more durable, user friendly alternative for fiber optic communications vaults while maintaining a Tier 15 rating. This large handhole provides protection and access to electrical cabling. The box itself is made of High Density Polyethylene (HDPE), much like the material used to make HDPE Conduit that protects the electrical and communications cables within. This material has unmatched resistance to corrosion and chemicals while remaining durable and flexible in extreme cold. 

Installation and maintenance is simplified. The box is light enough for single person installation without the need for heavy lifting equipment. It can be easily sawed for conduit entrance holes or trimmed to custom lengths to match finished grades. The round shape is perfect for coiling excess cabling and neatly supporting it on optional hangers attached around the inner circumference. The round cover is easily removed with a simple tool and cannot fall into the box as rectangular ones can.                      

36″x42″ HDPE Handhole/Communication Vault 

HDPE Conduit Expansion Fitting
Designed for electrical use, it will provide protection of conductors passing through expansion joints in concrete structures such as in bridge decks and barriers. When properly installed, will provide for 8 inches of linear movement and bending type deflections that are typical to normal bridge joint vibration and shifting. The exposed HDPE material is inherently resistant to environmental threats and remain flexible in the lowest possible temperatures. This expansion joint utilizes a durable and patented poly-cam connection between the HDPE material and PVC connecting stubs. The PVC stubs are standard dimensions for use of connecting to a PVC conduit raceway.

Bridge Joint Expansion Coupler Installation                                                                     Expansion fitting is typically installed with its inner pipe exposed approximately 4 inches. This provides for 4 inches of both expansion and contraction from the initial setting. Adjust the initial setting if the movements is expected to be more in one direction or the other. Ensure the HDPE to PVC couplings are fully encased in concrete. A portion of the outer pipe may be exposed with larger joints. Ensure room for expansion/contraction. Foam rubber is intended to keep concrete from forming around the outer pipe. it will allow for minor deflections of the pipes with joint movement. Exposed foam can be removed. 

Drawing Pull BoxApproved Prod. ListApproved Prod. List pg2


Minnesota, Iowa, Wisconsin, North Dakota & South Dakota area.

Contact: Ess Brothers contact Trent Ess at 763-478-2027

18 in Diam Handhole

24 in Diam Handhole

36 in Diam Handhole

Double Lip Frame

Hook detail 36 in diam

All units must be backfilled with frame, extension and cover on barrel during installation.


All other states in lower continental USA distributed by:

EJCO

Contact: John Snyder 800-899-0407 or 734-250-0537

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All units must be backfilled with frame, extension and cover on barrel during installation.


JDT Concepts 1408 Ridge Rd., Motley, MN 56466

Contact: Julian Trangsrud 612-965-8932 Cell; 507-645-8382 Office

Dave Erickson 218-849-7375

Distributor for following products.

JDT Exp 2 in Coupler

Part Numbers: 2expcoup & 2exgask

JDT Exp 3 in Couplers

Part Numbers: 3expcoup & 3exgask

JDT Bridge Light Control Box

Bridge Light Control Box

Part Number: 61218 litcntbx