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The Northwest Masonry Guide

Special Masonry Systems Prefabricated Masonry Specifications

Notes To Specifier And Code Commentary

This Section 04235, Prefabricated Masonry
Panels is section no. assigned by CSI Master
Format, 1983, as Preassembled Masonry
Panels, may also be entitled Preassembled Brick Panels.

1.01 Optional cross reference to front end documents - General Conditions, Supplementary Conditions and General Requirements may be inserted here, but text should not be repeated in this unit of work section. General Conditions 1.1.3 and 4.4.1 say: "Contractor shall provide labor, materials, equipment," etc. - so it is unnecessary to repeat this phrase in each section of the specification.

1.02 Related Work (specified in other sections of these specifications) normally lists items usually found here in this section, but specified elsewhere for good reasons and may also list items closely dependent or coordinated with the work of this section, specified in other sections. You may prefer to cross reference titles only, to avoid minor variations in section numbering. Avoid cross referencing inapplicable and redundant sections.

1.03 Reference Standards by title and date are optional, but provide the contractor and others with ordering information (especially important in remote areas).

Other Standards:
ASTM C618-80: Fly Ash and Raw or Calcined
Natural Pozzolan for Use as a Mineral Admixture in Portland Cement Concrete.

BIA: Building Code Requirements for Engineered Brick Masonry

ANSI A41.2: Building Code Requirements for Reinforced Masonry

ASTM C901-79: Prefabricated Masonry Panels, Spec. For

ICBO-TR-84 4115: Strength Design of 1 to 4 Story Concrete Masonry

1.04 Quality Assurance: On private projects, 5 years experience is sometimes specified. On Federal-funded projects this may not be allowed or it may be limited to 2 years.

1.05 Design Criteria: UBC Chap. 24 and 30.

A.2. Seismic: In accordance with [UBC] [and] [or] [local requirements.]

C. Factor of Safety: Four times dead weight, taking into account the inclination of unit in lifting and handling..

Section 04235
Prefabricated Masonry Panels
Part 1 - General

1.01 Work Included

    A. Fabrication, delivery, and erection of such loadbearing panels of plant-assembled hollow-face brick units, steel-reinforced and solid grouted, with steel supporting and anchoring devices for panel lifting, erection, and in-place anchorage for building exterior wall locations as shown.

    B. Also provide clear water-repellent coatings on exterior surfaces of brick.

1.02 Related Work

    A. Section 03300, Concrete

    B. Section 05120, Structural Steel

1.03 Reference Standards

A. AISC Manual Construction Eighth Edition 1980 Manual of Steel
B. ASTM A36-81 Structural Steel
C. ASTM A307-80 Low-Carbon Steel Threaded Standard Fasteners
D. ASTM A325-81 High-Strength Bolts for Structural Steel Joints, Including Suitable Nuts and Plain Hardened Washers
E. ASTM A615-81 Deformed and Plain Billet-Steel Bars For Concrete Reinforcement
F. ASTM C216-81 Face Brick
G. ASTM C652-HBS-SW Hollow-Brick As Modified by ICBO Research Report #2730, Type 1, Grade 1.
H. ASTM C144-81 Aggregate for Masonry Mortar
I. ASTM C150-81 Portland Cement
J. ASTM C207-79 Hydrated Lime for Masonry Purposes
K. ASTM C270-82 Mortar for Unit Masonry
L. AWS Dl .1-82 Structural Welding Code
M. UBC
(Uniform Building Code)
Chap. 24		 Masonry (Field Tests)

1.04 Quality Assurance

    A. Qualifications of Manufacturer: Approved manufacturer must be regularly engaged in production of pre-assembled brick panels, have a reputation for doing satisfactory work on time and have successfully completed comparable work.

    B. Qualification of Welders (For Metal Assemblies): Per Standard Qualification Procedure of American Welding Society's Structural Welding Code (AWS D1.1) and local jurisdiction.

    C. Plant Tests for Masonry Strength

      1. UBC Chap. 24. Age test specimens at least 28 days before testing.

      2. Perform standard cylinder tests for compliance of both mortar and grout with specified strengths.

      3. Perform strength tests on composite assemblies of wall panels, using standard prisms.

      4. All such above work to be by independent testing agency approved by Architect/Engineer.

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The NW Masonry Guide Table of Contents

Masonry Institute of Washington
Washington State Conference of Mason Contractors