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Category 400 — Structures

463Brick Masonry

MD · 2026 Standard Specifications✓ Full text on BuildSpecBook pages 588–590 Save this section

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463 — BRICK MASONRY 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS CATEGORY 400 STRUCTURES SECTION 463 — BRICK MASONRY

463.01 Description

Construct brick masonry as specified.

463.02 Materials

Curing Compound 902.07.03 Brick Section 903 Mortar 903.06 Fusion Bonded Epoxy Powdered Coatings 917.02 Water 921.01 Dove Tail Anchors As specified Sample Panel. When specified, prepare and deliver a sample panel measuring at least 24 in. x 24 in. to the construction site for approval prior to beginning work. Provide a panel that is typical of the brickwork to be used on the project. Receive the Administration’s approval of the panel before beginning the brickwork on the project. Keep the sample panel on the project site. Construct all subsequent brickwork to equal the appearance of this approved panel.

463.03 Construction

Unless otherwise specified, lay all brick masonry in level courses with faces plumb, square, and true to the dimensions specified. Ensure that all exposed surfaces are smooth. Lay brick masonry for parapets and end posts parallel to the roadway or barrier. Construct brick facing as specified.

463.03.01 Bond. Unless otherwise specified, lay brick masonry in running bond. Lay adjoining

courses to break joints by half brick as nearly as practical.

463.03.02 Bricklaying. Spray all brick with water to dampen the surface prior to laying. Only

use fresh plastic mortar that is soft and workable when placed on the wall. Spread a layer of mortar on the beds and make not more than a shallow furrow in it that can be readily closed by the laying of the brick. Solidly fill all bed and head joints with mortar. Fully butter end joints of stretchers and side or cross joints of headers with mortar and make a shoved joint so that mortar is squeezed out at the top of the joint. Ensure that no brick is jarred or moved after it has been fully bedded in 463 — BRICK MASONRY 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS the mortar. Remove and clean bricks loosened after the mortar has taken its set. Relay bricks with fresh mortar. Do not use broken or chipped bricks in the face. Do not use spalls or bats except where necessary to shape around irregular openings or edges. Place full bricks at ends or corners where possible. Use the bats in the interior of the course. In making closures, do not use bricks shorter than the width of a whole brick. Use only whole brick as headers.

463.03.03 Joints. Slush all joints with mortar at every course, slushing alone will not be

considered adequate for making an acceptable joint. Lay exterior faces in advance of backing. Back plaster or parge exterior faces with a coat of mortar at least 3/8 in. thick before the backing is laid up. Prior to parging, cut flush all joints on the back of face courses. Joints shall be 1/4 in. to 1/2 in. wide. Uniformly maintain whatever width is adopted throughout the work.

463.03.04 Pointing. Tool all exterior head and bed joints with a round tool, slightly larger than

the joint, pressed tight against the plastic mortar for a concave finish. When nails or line pins are used, plug the holes with mortar and point them immediately upon removal.

463.03.05 Cleaning. Upon completion of the work, clean all exterior surfaces by scrubbing and

washing down with water. If necessary, clean with a 5 percent solution of muriatic acid, then rinse off with liberal quantities of clean fresh water.

463.03.06 Curing. After the work has been laid up and pointed, cure the exposed surfaces using

one of the following methods:

a.Cover with two layers of burlap and keep wet for three days.
b.Apply a non-asphalt colorless liquid curing compound using an approved hand or motor driven spray operated at a pressure of 40 psi to 60 psi. Apply uniformly at a rate of 27 yd2/gal. Ensure that the surface is completely coated and sealed in one application. Where there is evidence of insufficient coating, apply additional material as directed.

463.03.07 Cold Weather Protection. Do not perform brick masonry work and pointing when

there is frost in the brick or when the air temperature is below 50 F, unless suitable housing and heating devices are provided as necessary to keep the atmosphere surrounding the masonry at a temperature of at least 50 F for the curing period.

463.03.08 Backfill. Do not backfill before seven days after completion of the section.

463.04 Measurement and Payment

The payment will be full compensation for all sample panels, dove tail anchors, curing, and for all material, labor, equipment, tools, and incidentals necessary to complete the work.

463.04.01 Brick Masonry for Structures will be measured and paid for at the Contract unit price

per square foot. 463 — BRICK MASONRY 2026 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS

463.04.02 Brick Masonry for Structures will be measured and paid for at the Contract unit price

per cubic yard.

463.04.03 Brick Masonry for Structures will not be measured but will be paid for at the Contract

lump sum price.

463.04.04 Brick Masonry Facing will be measured and paid for at the Contract unit price per

square foot.

463.04.05 Brick Masonry Facing will not be measured but will be paid for at the Contract lump

sum price.

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Source: Standard Specifications for Construction and Materials, 2026 Edition. Pages 588–590 of 1,138. View official source ↗

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