Statment of Purpose

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  • Topic: Cathodic protection, Reinforced concrete, Steel
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  • Published : January 18, 2013
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Specification Clause & Method Statement

Galvashield XP
Embedded Galvanic Anodes for corrosion prevention in concrete rehabilitation

SECTION 03700 – EMBEDDED GALVANIC ANODES
PART 1

GENERAL

1.01 Related Documents
A.

Drawings and general provisions as received from the Consultant drawing: ‘Galcashield XP+’

1.02 Summary
A.
This item includes furnishing all labor, tools, materials, equipment and services necessary to properly install embedded galvanic anodes. B.
Embedded galvanic anodes are designed and provided by the. When placed at the appropriate spacing along the Columns and beams as shown in the drawing of concrete patches or along the interface between new/existing concrete, the anodes mitigate the formation of new corrosion sites in the existing concrete in adjacent areas.

1.03 References
A.

ACI/ICRI 2008 Concrete Repair Manual

B.

ACI Guideline No. 222 – Corrosion of Metals in Concrete

C.

ICRI Guideline 310.1R-2008 Guide for Surface Preparation for the Repair of Deteriorated Concrete resulting from Reinforcing Steel Corrosion

D.

ASTM A615/A615M-09 Standard Specification for Deformed and Plain Billet-Steel Bar for Concrete Reinforcement

E.

ASTM B6-09 - Standard Specification for Zinc

F.
ASTM A82-07 Specification for Plain Steel Wire for Concrete
Reinforcement

PART 2

PRODUCTS

2.01 Materials
PART 3

INSTALLATION PROCEDURE

3.01 Concrete Removal
A.

Undercut 10x10cm at the required location with the minimum
clearance between the concrete substrate and reinforcing steel of 19 mm or 6 mm larger than the top size aggregate in the repair material, whichever is greater.

3.02 Edge and Surface Conditioning of Concrete
A.

Concrete patches will be square or rectangular in shape with squared corners.

B.

Saw cutting the patch boundary 13 mm deep or less if required to avoid cutting reinforcing steel.

C.

Create a clean, sound substrate by removing bond-inhibiting materials from...
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