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
Universal Citation: 780 CMR MA Code of Regs 1704.5
Current through Register 1531, September 27, 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. |
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