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// CODE SNIPPET

1704.5.3 Masonry in Buildings Three Stories or More in Height, and Engineered Masonry in Structural Occupancy Category IV

NYC Building Code 2014 > 17 Structural Tests and Special Inspections > 1704 Special Inspections > 1704.5 Masonry Construction > 1704.5.3 Masonry in Buildings Three Stories or More in Height, and Engineered Masonry in Structural Occupancy Category IV
JUMP TO FULL CODE CHAPTER
The minimum special inspection program for masonry designed by Section 2107 or 2108, or by chapters other than Chapters 5, 6 or 7 of TMS 402/ACI 530/ASCE 5, in structures classified as structural occupancy category IV, in accordance with Table 1604.5, and masonry in buildings more than three stories in height, shall comply with Table 1704.5.3.

Exception: Alterations to existing masonry walls where the quantity of masonry involved in any one given location does not exceed 50 contiguous square feet (4.64 m2) shall be permitted to be subject to level 1 special inspection in accordance with Table 1704.5.1 when specifically identified as such on the approved construction documents by the registered design professional of record.

TABLE 1704.5.3 LEVEL 2 REQUIRED VERIFICATION AND INSPECTION OF MASONRY CONSTRUCTION

VERIFICATION AND INSPECTION CONTINUOUS PERIODIC REFERENCE FOR CRITERIA
BC 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 = 0.0929m2.
a. The specific standards referenced are those listed in Chapter 35.

Related Code Sections


1704.5.3 Structural Tests and Special Inspections, Masonry in Buildings Three Stories or More in Height, and Engineered Masonry in Structural Occupancy Category IV
/ASCE 5, in structures classified as structural occupancy category IV, in accordance with Table 1604.5, and masonry in buildings more than three ...
NYC Building Code 2014 > 17 Structural Tests and Special Inspections > 1704 Special Inspections > 1704.5 Masonry Construction > 1704.5.3 Masonry in Buildings Three Stories or More in Height, and Engineered Masonry in Structural Occupancy Category IV
2109.1.1 Masonry, Limitations
masonry shall be prohibited in Occupancy Category IV structures. In buildings that exceed one or more of the limitations of Section 5.1.2 of TMS 402 ...
NYC Building Code 2014 > 21 Masonry > 2109 Empirical Design of Masonry > 2109.1 General > 2109.1.1 Limitations
2308.11.2 Wood, Concrete or Masonry
and masonry veneer is permitted to be used in both stories of buildings with two stories above grade plane in Seismic Design Categories B and C ...
NYC Building Code 2014 > 23 Wood > 2308 Conventional Light-Frame Construction > 2308.11 Additional Requirements for Conventional Construction in Seismic Design Category B or C > 2308.11.2 Concrete or Masonry
2109.1 Masonry, General
-force-resisting system for buildings assigned to Seismic Design Category B or C.   2. Buildings more than 35 feet (10 668 mm) in height ...
NYC Building Code 2008 > 21 Masonry > 2109 Empirical Design of Masonry > 2109.1 General
2308.11.2 Wood, Concrete or Masonry
above grade where the lowest story has concrete or masonry walls in Seismic Design Category B or C.   3. Masonry veneer is permitted ...
NYC Building Code 2008 > 23 Wood > 2308 Conventional Light-Frame Construction > 2308.11 Additional Requirements for Conventional Light-Frame Construction in Seismic Design Category B or C > 2308.11.2 Concrete or Masonry
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