Case Study #4 - Controlled Environment Vault Installation

THE SOLUTION: Cold and rainy weather warranted the use of ConSeals CS-50 Liquid Butyl Primer, CS-300 Surface Primer, CS-212 External Joint Wrap, and CS-302 Butyl Rubber Sealant. Despite the uncompromising adverse weather, the utilility vault was sealed without complications during or after its installation.

Precast Application: Utility Vault

Precaster: Hartford Concrete Products

ConSeal Products used:
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CS-302 Butyl Rubber Sealant used as the primary seal inside the lap joint of the utility vault

CS-50 Liquid Butyl Primer

CS-300 Surface Primer for Wet or Frozen Concrete

CS-212 External Joint Wrap used as additional precaution to prevent soil from entering the joint area during the vault’s installation.

Applicable ASTM Standards:

ASTM C-858 Standard Specification for Underground Precast Concrete Utility Structures

ASTM C-887 Standard Specification for External
Sealing Bands for Concrete Pipe, Manholes, and Precast Box Sections, Type III, Chemically-Bonded Adhesive Butyl Bands

ASTM C-990 Standard Specification for Joints for
Concrete Pipe, Manholes, and Precast Box Sections Using Preformed Flexible Joint Sealants