Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 17 - Structural Tests and Special Inspections › Section 1704 - SPECIAL INSPECTIONS › Subsection 1704.5 - Masonry construction

Current through Register 1525, July 5, 2024
Masonry construction shall be inspected and verified in
				  accordance with the requirements of Sections 1704.5.1 through 1704.5.3,
				  depending on the
occupancy category
of the building or
				  structure.
Exception:
Special inspections
shall not be required for:
1.
				Empirically designed masonry, glass unit masonry or masonry veneer designed by
				Section 2109, 2110 or Chapter 14, respectively, or by Chapter 5, 6 or 7 of TMS
				402/ACI 530/ASCE 5, respectively, when they are part of structures classified
				as
Occupancy Category
I, II or III in accordance with Section
				1604.5.
2. Masonry foundation walls
				constructed in accordance with Table 1807.1.6.3(1), 1807.1.6.3(2),
				1807.1.6.3(3) or 1807.1.6.3(4).
3.
				Masonry fireplaces, masonry heaters or masonry chimneys installed or
				constructed in accordance with Section 2111, 2112 or 2113, respectively.
1704.5.1
Empirically designed masonry,
				glass unit masonry and masonry veneer in Occupancy Category IV.
The
				minimum
special inspection
program for empirically designed
				masonry, glass unit masonry or masonry veneer designed by Section 2109, 2110 or
				Chapter 14, respectively, or by Chapter 5, 6 or 7 of TMS 402/ACI 530/ASCE 5,
				respectively, in structures classified as
Occupancy Category
IV, in accordance with Section 1604.5, shall comply with Table 1704.5.1.
TABLE 1704.5.1 LEVEL 1 REQUIRED VERIFICATION AND
				  INSPECTION OF MASONRY CONSTRUCTION
VERIFICATION AND
							 INSPECTION
FREQUENCY OF INSPECTION
REFERENCE FOR CRITERIA
CONTINUOUS
PERIODIC
IBC SECTION
TMS 402/ACI 530/ASCE
							 5a
TMS 602/ACI 530.1/ASCE
							 6a
1. Compliance with required inspection provisions of
							 the construction documents and the approved submittals shall be verified.
-
X
-
-
Art. 1.5
2. Verification of
f'
m
							 and
f'
AAC prior to
							 construction except where specifically exempted by this code.
-
X
-
-
Art. 1.4B
3. Verification of slump flow and VSI as delivered to
							 the site for self-consolidating grout.
X
-
-
-
Art. 1.5B.1.b.3
4. As masonry construction begins, the
							 following shall be verified to ensure compliance:
a. Proportions of site-prepared mortar.
-
X
-
-
Art. 2.6A
b. Construction of mortar joints.
-
X
-
-
Art. 3.3B
c. Location of reinforcement, connectors, prestressing
							 tendons and anchorages.
-
X
-
-
Art. 3.4, 3.6A
d. Prestressing technique.
-
X
-
-
Art. 3.6B
e. Grade and size of prestressing tendons and
							 anchorages.
-
X
-
-
Art. 2.4B, 2.4H
5. During construction the inspection
							 program shall verify:
a. Size and location of structural elements.
-
X
-
-
Art. 3.3F
b. Type, size and location of anchors, including other
							 details of anchorage of masonry to structural members, frames or other
							 construction.
-
X
-
Sec. 1.2.2(e), 1.16.1
-
c. Specified size, grade and type of reinforcement,
							 anchor bolts, prestressing tendons and anchorages.
-
X
-
Sec. 1.15
Art. 2.4, 3.4
d. Welding of reinforcing bars.
X
-
-
Sec. 2.1.9.7.2, 3.3.3.4(b)
-
e. Preparation, construction and protection of masonry
							 during cold weather (temperature below 40°F) or hot weather (temperature
							 above 90°F).
-
X
Sec. 2104.3, 2104.4
-
Art. 1.8C, 1.8D
f. Application and measurement of prestressing force.
X
-
-
-
Art. 3.6B
6. Prior to grouting, the following shall
							 be verified to ensure compliance:
a. Grout space is clean.
-
X
-
-
Art. 3.2D
b. Placement of reinforcement and connectors, and
							 prestressing tendons and anchorages.
-
X
-
Sec. 1.13
Art. 3.4
c. Proportions of site-prepared grout and prestressing
							 grout for bonded tendons.
-
X
-
-
Art. 2.6B
d. Construction of mortar joints.
-
X
-
-
Art. 3.3B
7. Grout placement shall be verified to ensure
							 compliance:
X
-
-
-
Art. 3.5
a. Grouting of prestressing bonded tendons.
X
-
-
-
Art. 3.6C
8. Preparation of any required grout specimens, mortar
							 specimens and/or prisms shall be observed.
-
X
Sec. 2105.2.2, 2105.3
-
Art. 1.4
For SI: °C = [(°F) - 32]/1.8.
a. The specific standards referenced are those
								listed in Chapter 35.
1704.5.2
Engineered masonry in
				Occupancy Category I, II or III.
The minimum
special
				inspection
program for masonry designed by Section 2107 or 2108 or by
				chapters other than Chapter 5, 6 or 7 of TMS 402/ACI 530/ASCE 5 in structures
				classified as
Occupancy Category
I, II or III, in accordance
				with Section 1604.5, shall comply with Table 1704.5.1.
1704.5.3
Engineered masonry in
				Occupancy Category IV.
The minimum
special inspection
program for masonry designed by Section 2107 or 2108 or by chapters other than
				Chapter 5, 6 or 7 of TMS 402/ACI 530/ASCE 5 in structures classified as
Occupancy Category
IV, in accordance with Section 1604.5,
				shall comply with Table 1704.5.3.
TABLE 1704.5.3 LEVEL 2 REQUIRED VERIFICATION AND
				  INSPECTION OF MASONRY CONSTRUCTION
VERIFICATION AND
							 INSPECTION
CONTINUOUS
PERIODIC
REFERENCE FOR CRITERIA
IBC SECTION
TMS 402/ACI 530/ASCE
							 5a
TMS 602/ACI 530.1/ASCE
							 6a
1. Compliance with required inspection provisions of
							 the construction documents and the approved submittals.
-
X
-
-
Art. 1.5
2. Verification of
f'
m
							 and
f'
AAC prior to
							 construction and for every 5,000 square feet during construction.
-
X
-
-
Art. 1.4B
3. Verification of proportions of materials in
							 premixed or preblended mortar and grout as delivered to the site.
-
X
-
-
Art. 1.5B
4. Verification of slump flow and VSI as delivered to
							 the site for self-consolidating grout.
X
-
-
-
Art. 1.5B.1.b.3
5. The following shall be verified to
							 ensure compliance:
a. Proportions of site-prepared mortar, grout and
							 prestressing grout for bonded tendons.
-
X
-
-
Art. 2.6A
b. Placement of masonry units and construction of
							 mortar joints.
-
X
-
-
Art. 3.3B
c. Placement of reinforcement, connectors and
							 prestressing tendons and anchorages.
-
X
-
Sec. 1.15
Art. 3.4, 3.6A
d. Grout space prior to grout.
X
-
-
-
Art. 3.2D
e. Placement of grout.
X
-
-
-
Art. 3.5
f. Placement of prestressing grout.
X
-
-
-
Art. 3.6C
g. Size and location of structural elements.
-
X
-
-
Art. 3.3F
h. Type, size and location of anchors, including other
							 details of anchorage of masonry to structural members, frames or other
							 construction.
X
-
-
Sec.1.2.2(e), 1.16.1
-
i. Specified size, grade and type of reinforcement,
							 anchor bolts, prestressing tendons and anchorages.
-
X
-
Sec. 1.15
Art. 2.4, 3.4
j. Welding of reinforcing bars.
X
-
-
Sec. 2.1.9.7.2, 3.3.3.4 (b)
-
k. Preparation, construction and protection of masonry
							 during cold weather (temperature below 40°F) or hot weather (temperature
							 above 90°F).
-
X
Sec. 2104.3, 2104.4
-
Art. 1.8C, 1.8D
l. Application and measurement of prestressing force.
X
-
-
-
Art. 3.6B
6. Preparation of any required grout specimens and/or
							 prisms shall be observed.
X
-
Sec. 2105.2.2, 2105.3
-
Art. 1.4
.
For SI: °C = [(°F) - 32]/1.8, 1 square foot
								= 0.0929 m2
a. The specific standards referenced are those
								listed in Chapter 35.