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READ AND **REMOVE THIS PAGE** BEFORE PLACING

THE SPECIFICATION SECTION IN THE CONTRACT

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[DIVISION 4: MASONRY]{.underline}

SECTION 04211 ‑ BRICK MASONRY

USE: Furnishing and installing brick masonry walls.

**NOTES TO SPECIFIER:**

A. Options within paragraphs are identified by enclosure in brackets;
blank spaces enclosed by brackets \[\_\_\_\_\_\] provide for information
to be inserted, as appropriate, to individual projects.

B. **TO AVOID CONFLICTING REQUIREMENTS AND COSTLY MISTAKES,** the
specifier must edit (delete, substitute or add to the text). The
remaining paragraphs must be renumbered.

C. DELETE FOR FINAL COPY: Notes to the Specifier, located between lines
of asterisks; all \[brackets\], [underlining]{.underline}, **boldface**,
and *italics*, within the paragraphs; and this page. (Open Reveal Codes
\[alt F3\] to do this accurately.)

D. [To Edit "(Footer B)":]{.underline} (Corel 8). **ENTIRE FOOTER SHOULD
BE BOLDED.** Click in the footer and delete the "Project Name (ftr B)"
text and replace it with the **Name of the Project (upper and lower
case)**. Replace date with current MM/YY (WITHOUT BRACKETS).

E. The Guide Specifications are intended to be continuously reviewed and
revised. User's technical comments are appreciated. Also, other related
or similar specification that are written "from scratch" that could
benefit others, or other questions can be sent to NSTC A/E Group, ST
110, or call (303) 987-6868.

**DRAWING DATA REQUIRED:**

**REQUIRED SPEC MODIFICATIONS:**

[GENERAL NOTES]{.underline}

A. Whenever entire articles, paragraphs, or subparagraphs are not
applicable, the articles, paragraphs, or subparagraphs should be
deleted; when necessary, reletter or renumber articles, paragraphs, or
subparagraphs.

B. THIS GUIDE IS NOT INTENDED AS A SUBSTITUTE FOR READING THE ENTIRE
SECTION.

[TECHNICAL NOTES]{.underline}

A. 1.1B: Select or add applicable specification sections. Do not list
sections from Division 4.

B. 1.2: Select or add applicable references.

C. 1.3A: Select applicable phrase.

D. 1.3B: Insert number of drawings required. Normally 5 copies are
required. Distribution after review is normally 1 copy to the COR, 3
copies to Contractor, and 1 copy to the project file.

E. 1.3C: Insert number of samples required. Normally 2 samples are
required. Distribution after review is normally 1 sample to the COR, and
1 sample to the Contractor.

F. 1.4: Delete on very small projects.

G. 2.01A: Select and complete phrases, as appropriate, depending on
whether or not the wall must match existing construction.

H. 4.1 and 4.2: When a \"lump sum\" Contract is used, delete the title
PART 4: MEASUREMENT AND PAYMENT, and both articles from this
specification section. Measurement and payment will be addressed in Part
4 of Section 01010 - Summary of Work.

**REVISIONS OF THIS SECTION:**

CSI format, editorial changes: 12/01

Metric:

Technical Update: 08/92

SECTION 04211

BRICK MASONRY

[PART 1: GENERAL]{.underline}

1.1 SUMMARY

A. Section Includes: Furnishing and installing the brickwork as shown on
the drawings.

1.2 SUBMITTALS

A. General: Submittals shall be according to \[Section 01009 - General
Information and Requirments.\] \[and\] \[Section 01330 - Submittal
Procedures.\] \[and\] \[Section 01331 - Certificates.\]

B. Drawings: Submit \[\_\_\] copies of erection drawings for masonry to
be used on this project. \[Drawings shall be prepared by and bear the
stamp of a \[registered \[\_\_\_\_\_\_\_\_\_\_\_\_\] engineer\]
\[licensed architect.\] Drawings shall be \[shall\] \[larger\] scale as
the full size Contract Drawings.

C. Samples: Submit samples of the following items to be used on this
project:

1\. \[One\] strap of not less than five face brick units showing full
range of color and texture.

2\. ab \[Two\] samples of each color of mortar.

3\. ab \[Two\] samples of each type of wall reinforcement, anchor, and
wall tie.

1.3 QUALITY ASSURANCE

A. Sample Panel: Construct at the job site a sample masonry panel
approximately 4 feet long by 3 feet high showing the workmanship,
coursing, bond, weepholes, flashing, thickness and tooling of joints,
range of color, texture of masonry, and mortar color for approval by the
Contracting Officer. Finished work shall match the approved sample
panel.

1.4 DELIVERY, STORAGE, AND HANDLING:

A. Storage: Store cementitious materials in dry, weathertight sheds or
enclosures and handle so as to prevent entry of foreign materials and
damage. Store masonry units off the ground. Cover sand to prevent
intrusion of water and foreign materials and to prevent drying. Do not
use materials containing frost or ice.

1.5 PROJECT/SITE CONDITIONS:

A. Cold Weather Construction: Do not lay masonry when the air
temperature is below 40 degrees F, or when it appears that the air
temperature will drop to 40 degrees F or below within 24 hr, unless the
work is protected from freezing as specified below. Surfaces receiving
mortar shall be free of ice and frost.

1\. Air Temperature 32 to 40 degrees F: Heat sand or mixing water to
produce mortar temperature between 40 degrees and 120 degrees F.

2\. Air Temperature 25 to 32 degrees F: Heat sand and mixing water to
produce mortar temperature between 40 degrees and 120 degrees F.

3\. Air Temperature 20 to 25 degrees F: Heat sand and mixing water to
produce mortar temperature between 40 degrees and 120 degrees F. Use
salamanders or other heat sources on both sides of walls under
construction. Use windbreaks when wind is in excess of 15 mph.

4\. Air Temperature 20 degrees F and Below: Heat sand and mixing water
to produce mortar temperature between 40 degrees and 120 degrees F.
Provide enclosures and auxiliary heat to maintain air temperature above
32 degrees F on both sides of walls under construction. Ascertain that
temperature of masonry units are not less than 20 degrees F when units
are laid.

[PART 2: PRODUCTS]{.underline}

2.1 MATERIALS

A. Facing Brick: Shall be according to ASTM C 216, Grade SW, Type FBS,
3‑5/8 inches thick, 2‑1/4 inches high, and 7‑5/8 inches long (modular).
Exposed faces of brick shall match as closely as possible the brick \[on
display at [ ]{.underline}\] \[indicated\].

B. Mortar

1\. Portland Cement: Shall be according to ASTM C 150, Type I, II, or
III.

2\. Hydrated Lime: Shall be according to ASTM C 207, Type S.

3\. Masonry Cement: Shall be according to ASTM C 91, except that for
masonry cement used in mortar for exterior walls, the air content of the
mortar specimen shall be not more than 16% by volume in lieu of 22%.
Containers shall bear complete instructions for proportioning and mixing
to obtain the required types of mortar.

4\. Sand: Shall be according to ASTM C 144.

5\. Water: Shall be clean and free from mineral and organic substances
which would affect the hardening or durability of the mortar. Potable
water is acceptable without testing.

6\. Mortar Types: Shall be according to ASTM C 270, Type S for masonry
work. Where colored mortar is indicated, add pigment to obtain the color
indicated. The quantity of pigment relative to the cementitious
materials shall be not more than 10% by volume. When masonry cement is
used, submit the manufacturer\'s printed instructions on proportions of
water and aggregates and on mixing to obtain the type of mortar
required.

2.2 ACCESSORIES

A. Horizontal Joint Reinforcement: See Section 04153 ‑ Joint
Reinforcement.

B. Anchors and Ties: Provide approved designs of copper‑clad steel,
zinc‑coated steel, or noncorrosive metal having the equivalent total
strength of steel types. Zinc coat items by the hot‑dip process after
fabrication to a minimum of 1.25 oz/ft^2^ of zinc when tested in
accordance with ASTM A 90.

1\. Wire Mesh Ties: Wire not lighter than 20 ga, galvanized, 1/2 inch
mesh with width of one inch less than thickness of masonry.

2\. Corrugated Metal Ties: Not less than 7/8 inch wide by approximately
6 inches long and not lighter than 22 gage.

3\. Dovetail Flat Bar or Wire Anchors: Flat bar: sheet steel, not
lighter than 16 gage, and 7/8 inch wide, corrugated, with end turned up
1/4 inch. Wire: not lighter than 6 gage, 7/8 inch wide with wire looped
and closed. Dovetail slots and inserts are specified in Section 03310 ‑
Structural Concrete.

C. Fastenings: Build in bolts, metal wall plugs, and other metal
fastenings furnished under other sections for securing furring and other
items.

[PART 3: EXECUTION]{.underline}

3.1 INSTALLATION

A. Coordination: Coordinate masonry work with the work of other trades
to accommodate built‑in items and to avoid cutting and patching. Do not
change the source of supply of materials after the work has started when
the appearance of the finished work would be affected.

B. Protection

1\. Stains: Protect exposed surfaces from mortar and other stains. When
mortar joints are tooled, remove mortar from exposed surfaces with fiber
brushes and wooden paddles. Protect base of walls from splash stains by
covering adjacent ground with sand, sawdust, or polyethylene.

2\. Loads: Do not apply uniform loads for at least 12 hr or concentrated
loads for at least 72 hr after masonry is constructed.

3\. Bracing: Provide temporary bracing as required to prevent damage
during construction.

C. Workmanship: Carry masonry up level and plumb all around. Furnish and
use story poles or gage rods throughout the work. Changes in coursing or
bonding after the work is started is not permitted. Do not carry one
section of the walls up in advance of the others. Step back unfinished
work for joining with new work. Toothing is not permitted. Check heights
of masonry with an instrument at each floor and at sills and heads of
openings to maintain the level of the walls. Build in door and window
frames, louvered openings, anchors, pipes, ducts, and conduits carefully
and neatly as the masonry work progresses. Fill spaces around metal door
frames solidly with mortar. Handle masonry units with care to avoid
chipping, cracking, and spalling of faces and edges. Drilling, cutting,
fitting, and patching to accommodate the work of others shall be
performed by masonry mechanics. Cut masonry with masonry saws for
exposed work. Structural steelwork, bolts, anchors, inserts, plugs,
ties, lintels, and miscellaneous metalwork specified elsewhere shall be
placed in position as the work progresses. Provide chases of approved
dimensions for pipes and other purposes where indicated and where
necessary. Cover tops of exposed walls and partitions not being worked
on with a waterproof membrane well secured in place and extended down at
least 2 feet on both sides. Inspect scaffolding regularly to ensure that
it is amply strong, well braced, and securely tied in position. Do not
overload scaffolding.

D. Mortar Mixing: Measure mortar materials in proper containers to
maintain control and accuracy of proportions. Do not measure materials
with shovels. Mix mortar in a mechanical batch mixer for not less than 3
nor more than 5 minutes after all ingredients are in so as to produce a
uniform mixture. Add water gradually as required to produce a workable
consistency. Do not load mixer beyond its rated capacity. Keep mortar
boxes, pans, and mixer drums clean and free of debris and dried mortar.
Retemper mortar which has stiffened because of evaporation by adding
water and mixing to obtain a workable consistency. Do not use or
retemper mortar which has not been placed in final position within 2‑1/2
hrs after the initial mixing. Do not use antifreeze compounds, salts, or
other substances to lower the freezing point of mortar.

1\. Mortar: Mix mortar according to ASTM C 270 to obtain type of mortar
required. \[Where colored mortars are required, pigments may be added at
the site or provided as part of prepackaged mortar mix.\] When masonry
cement is used, conform to printed mixing instructions of the masonry
cement manufacturer.

E. Mortar Joints: Uniform thickness of 3/8 inch unless otherwise
indicated. Tool exposed joints slightly concave with a round or other
suitable jointer when the mortar is thumbprint hard. Use jointer
slightly larger than the width of the joint so that complete contact is
made along the edges of the units, compressing and sealing the surface
of the joint. Strike flush joints that will not be exposed. Tool
horizontal joints first. Brush joints to remove loose and excess mortar.
Horizontal joints shall be level; vertical joints shall be plumb and in
alignment from top to bottom of wall within a tolerance of
[+]{.underline}1/2 inch in 40 feet.

F. Tolerances: Masonry work shall be within the following limits:

1\. Face of Brick: 1/32 inch from face of adjacent brick.

2\. Variation from True Plane: 1/4 inch in 10 feet and 1/2 inch maximum
in 20 feet or more.

3\. Variation from Plumb: 1/4 inch in each story, noncumulative and 1/2
inch maximum in two stories or more.

4\. Variation from Level: 1/8 inch in 3 feet, 1/4 inch in 10 feet, and
1/2 inch maximum.

5\. Variation in Wall Thickness: [+]{.underline}1/4 inch.

G. Brickwork: Select and place brick so that better face of stretchers
and the better end of headers are exposed.

1\. Application: Unless indicated or specified otherwise, lay brick in
running bond. Fill joints between bricks completely with mortar. Form
head joints by applying a full coat of mortar on the brick to be laid.
The practice of slushing head joints will not be permitted. Lay closure
bricks with mortar on bedding surfaces of unit to be laid and units in
place. Place the brick carefully without disturbing the brick previously
laid. Dry or butt joints will not be permitted.

2\. Brick‑Faced Walls: Bond the two wythes in every sixth brick course
with continuous horizontal joint reinforcement. Provide additional
bonding ties spaced not more than 3 feet apart around the perimeter of
and within 12 inches of all openings. Fill collar joints solid with
mortar as each course of brick is laid. Do not disturb units in place.
Lay brick for brick sills on edge, slope, and project not less than 1/2
inch beyond the face of the wall to form a wash and drip. Fill joints
solidly with mortar and tool.

3\. Cavity Walls: Provide a continuous cavity as indicated on the
drawings. Securely tie the two wythes together with horizontal joint
reinforcement. Bevel mortar beds away from cavity to prevent projection
into cavity when bricks are shoved in place. Keep cavities clear and
clean of mortar droppings by use of wood strips laid on horizontal joint
reinforcing and lifted out and cleaned periodically. Provide flashing
and weepholes of open head joints spaced 24 inches oc or of wick
material 16 inches oc wherever the cavity is interrupted.

4\. Reinforced Brick Walls: Provide two wythes of brick separated by a
3/4 inch wide continuous space filled with mortar and reinforced as
indicated. Use metal ties to prevent spreading of the wythes and to
maintain vertical alignment of walls. Position reinforcing as indicated
on the drawings. Stagger splices in adjacent horizontal bars.

H. Bonding and Anchoring: Unless otherwise indicated, extend partitions
from the floor to the bottom of the roof or floor construction above.
Structurally bond or anchor walls and partitions to each other \[and to
concrete walls, beams, and columns\]. Securely anchor nonload‑bearing
partitions and interior walls to the construction above \[as indicated
on the drawings.\] \[in a manner that provides lateral stability while
permitting unrestricted deflection of construction above\]. Completely
embed anchors in mortar joints.

1\. Corners of Load‑Bearing Walls: Provide a masonry bond in each
course, except where otherwise indicated or specified.

2\. Intersection of Load‑Bearing Walls: Provide a true masonry bond in
each course, or anchor with rigid steel anchors not more than 2 feet
apart vertically, unless otherwise indicated.

3\. Masonry Walls Facing or Abutting Concrete Members: Anchor masonry to
the concrete with dovetail or wire‑type anchors inserted in slots or
inserts built into the concrete. Locate anchors not more than 18 inches
oc vertically and not more than 24 inches oc horizontally.

4\. Brick Veneer on Wood Frame: Provide corrugated metal ties nailed to
wood studs at 16 inches oc both ways.

I. Horizontal Joint Reinforcement: Provide reinforcement \[in every
course\] \[in every other course and in the first two courses above and
below openings\] in walls of brick masonry units. Reinforcement shall be
continuous except at control joints and expansion joints. Reinforcement
above and below openings shall extend not less than 4 inches beyond each
side of openings. Provide reinforcement in the longest available
lengths, utilizing the minimum number of splices. Overlap ends not less
than 12 inches. Provide welded L‑shaped assemblies not less than 40 x 48
inches and welded T‑shaped assemblies not less than 32 x 32 inches, both
of the same size members and the same construction as the straight
reinforcement, at corners and intersections of walls and partitions.
Provide mortar cover for the wire of at least 5/8 inch for exterior face
of wall and 1/2 inch for interior face of wall.

J. Expansion Joints: Provide where indicated on the drawings in brick
walls. Fill joints with a permanently flexible preformed filler material
and a sealant as specified in Section 07920 ‑ Sealants and Calking.

3.2 CLEANING

A. Protection: Protect work which may be damaged, stained, or discolored
during cleaning operations.

B. Pointing: Upon completion of masonry work, cut out defective mortar
joints and tuck point joints and all holes solidly with prehydrated
mortar.

C. Cleaning: Clean exposed masonry surfaces with clear water and stiff
fiber brushes and rinse with clear water. Where stains, mortar, or other
soil remain, continue cleaning with warm water and detergent. Where soil
still remains, continue cleaning as follows:

1\. Thoroughly wet exposed surfaces of dark‑colored brickwork with clear
water and scrub with stiff fiber brushes and a solution of not more than
one part of muriatic acid to nine parts of water applied to an area of
15 ft^2^ to 20 ft^2^ at a time. Immediately after cleaning each area,
rinse thoroughly with clear water. Restore damaged, stained, and
discolored work to original condition or provide new work.

3.3 PROTECTION

A. Cold Weather Protection: Protect newly laid masonry as specified
below for the respective mean daily air temperature (MDAT), that is, the
average of the daytime high temperature and the forecasted nighttime low
temperature.

1\. MDAT 32 to 40 degrees F: Protect masonry from rain and snow by
covering the top 4 feet with weather‑resistive membrane for 24 hrs after
laying.

2\. MDAT 25 to 32 degrees F: Completely cover newly‑laid masonry with
weather‑resistive membrane for 24 hrs.

3\. MDAT 20 to 25 degrees F: Completely cover newly‑laid masonry with
insulating blankets and weather‑resistive membrane for 24 hrs.

4\. MDAT 20 degrees F and Below: Maintain temperature of masonry above
32 degrees F for 24 hrs by providing enclosures and supplementary heat
or other approved means.

[PART 4: MEASUREMENT AND PAYMENT]{.underline}

4.1 METHOD OF MEASUREMENT

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WHEN A "LUMP SUM" CONTRACT IS USED, DELETE THE TITLE PART 4: MEASUREMENT
AND PAYMENT, AND BOTH ARTICLES FROM THIS SECTION. MEASUREMENT AND
PAYMENT WILL BE ADDRESSED IN PART 4 OF SECTION 01009 - GENERAL
INFORMATION AND REQUIREMENTS OR SECTION 01010 - SUMMARY OF WORK.

WHEN NOT A "LUMP SUM" CONTRACT, SELECT APPLICABLE PHRASES; USE THE "NO
MEASUREMENT" PHRASE WHEN THE PAY ITEM IN THIS SECTION IS NOT INCLUDED IN
THE BID SCHEDULE.

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

A. Units: The work described in this section will \[not be measured for
payment.\] \[be measured and paid for on a lump sum basis.\]

4.2 BASIS OF PAYMENT

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

WHEN NOT A "LUMP SUM" CONTRACT, SELECT APPLICABLE PHRASES; USE THE "NO
DIRECT PAYMENT" PHRASE WHEN THE PAY ITEM IN THIS SECTION IS NOT INCLUDED
IN THE BID SCHEDULE.

WHEN NOT A "LUMP SUM" CONTRACT AND PAYMENT IS TO BE MADE UNDER THIS
SECTION, SELECT THE PAY ITEM. DO NOT CHANGE THE PAY ITEM NUMBER.

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

A. Payment: \[No direct payment for the work described under this
section will be made. Consideration for this item shall be included in
the bid price for other items of the Contract.\] \[Prices and payment
will be full compensation for the work described in this section.
Payment will be made under:\]

[Pay Item]{.underline} [ Pay Unit]{.underline}

04211(01) Brick Masonry Lump Sum

END OF SECTION