At a New Mexico residential footing inspection, what is the minimum depth of an exterior footing below grade under the NMRBC amendment to IRC R403.1.4, before frost-depth rules are applied?
Sitework Footings Foundations
Question · Easy
Where frost heave is a concern, exterior footings must be placed in which of the following locations?
Per IBC 1804.4, the ground immediately adjacent to a foundation must fall away from the wall at not less than which slope for the first 10 feet, unless an approved alternative is used?
Question · Medium
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Under NMAC 14.7.2.26, what are the prescriptive width and thickness of a concrete footing supporting one floor of light-frame construction when no specific design is provided?
A contractor proposes a monolithic turndown footing to support a light-frame wall under the NMCBC. What is the minimum width of that turndown?
Per IRC R403.1.6, wood sill plates on a continuous concrete foundation shall be anchored with bolts that are at least which of the following?
A 12-foot sill-plate section is set on a foundation. What is the minimum number of anchor bolts and the maximum distance from each plate end to the nearest bolt under IRC R403.1.6?
NMAC 14.7.3.14 amends sole-plate anchorage where a 2x6 exterior plate is cantilevered for slab-edge insulation. How close to the exterior edge of the concrete may the anchor bolt be placed?
Question · Hard
Prescriptive footing widths in the IRC and IBC assume a minimum presumptive soil bearing pressure. If the soils report shows a lower allowable bearing value than the table assumes, what should the inspector require?
Structural fill placed under footings or a slab-on-grade is typically accepted when field density tests show which result?
Foundation drains are required around concrete or masonry foundations that enclose which of the following spaces?
New Mexico adds a definition of unbalanced backfill height. How is that height measured when an interior slab-on-grade is in contact with the foundation wall?
A builder wants to use rigid insulation as the form for a residential masonry stem wall cast monolithically with the slab. Under NMAC 14.7.3.12, when is that forming method prohibited?
A continuous strip footing is 60 feet long, 16 inches wide, and 8 inches thick. How many cubic yards of concrete are required, ignoring waste?
During a foundation inspection, a masonry stem wall is built on a concrete footing. What is the inspector’s primary structural concern at this interface?
NMAC 14.7.2.25 amends IBC 1705.3 special-inspection exceptions for concrete. Continuous concrete footings are exempt from special inspection only when they support walls of buildings that are which of the following?
When a polyethylene vapor retarder is required under a New Mexico commercial slab-on-grade, NMAC 14.7.2.27 requires which installation?
An unvented crawl space is proposed under a dwelling. What must the inspector verify before accepting the space as an alternative to crawl-space ventilation?
A 12-foot by 16-foot residential living room is designed for the IRC Table R301.5 live load of 40 psf. Ignoring self-weight, what uniformly distributed live load must the floor framing and supporting footing line be capable of carrying from this room?
A utility trench is excavated alongside an existing continuous footing. When should the inspector stop the work?
What is the minimum thickness of a concrete floor slab supported directly on the ground under NMAC 14.7.2.27 (amended IBC 1907.1) and IRC R506.1?
Concrete And Concrete Reinforcement
Concrete cast against and permanently exposed to earth must provide what minimum concrete cover over reinforcing bars?
At a footing inspection the longitudinal bars are lying directly on the soil. What is the correct inspection action?
IRC Table R402.2 sets minimum specified compressive strength by exposure. Which statement is correct for an inspector reviewing mix tickets?
Ready-mix arrives when the air temperature is below freezing and no cold-weather protection is on site. What should the inspector require?
Welded wire reinforcement in a slab-on-grade is observed lying on the vapor retarder. What is the correct inspector comment?
Two No. 4 (1/2-inch) longitudinal bars in a footing are lapped 6 inches. Using the common tension-lap rule of not less than 40 bar diameters (and not less than 12 inches) unless the drawings specify otherwise, what should the inspector do?
Exterior concrete flatwork and garage slabs in moderate or severe weathering regions typically require which mix characteristic in addition to the Table R402.2 strength?
Which mortar type is generally specified for exterior load-bearing masonry below grade?
Masonry
When vertical reinforcing is required in a concrete-masonry wall, the cells containing that steel must be which of the following?
Weep holes in a drained masonry veneer cavity are provided to do which of the following?
NMAC 14.7.2.29 replaces IBC masonry fireplace and chimney anchorage. Each of the two required straps must be which of the following?
An opening is cut in a load-bearing CMU wall for a new door. What must the inspector verify above the opening?
Grout for reinforced masonry should be placed so that which condition is met?
NMAC 14.7.2.25 amends IBC 1705.4 masonry special inspection by deleting Exception 2. What is the inspection implication?
Head and bed joints in running-bond CMU should generally be which of the following unless the design specifies otherwise?
Under the NMRBC amendment to IRC R602.3.4, studs must have full bearing on a plate or sill that is at least which of the following?
Carpentry
Exterior stud walls in conventional light-frame construction are capped with which of the following unless an engineered alternative is approved?
Per IRC Table R602.3(1), a stud toenailed to the sole plate requires which minimum nailing?
The ends of floor joists, beams, or girders must have not less than which bearing lengths?
A header over a wide opening in a load-bearing exterior wall is undersized for the span and snow load on the approved span table. What is the correct inspection action?
NMAC 14.7.3.14 requires plywood or OSB structural wall sheathing to be installed with what gap at panel edges and ends?
A 2x6 exterior wall bottom plate is cantilevered past a slab-on-grade to make room for perimeter insulation. What is the maximum cantilever permitted by NMAC 14.7.3.14 if remaining bearing is adequate?
In combustible construction, fireblocking shall be provided in concealed wall spaces horizontally at intervals not exceeding which distance?
Where there is usable space both above and below a combustible floor/ceiling assembly, draftstopping shall limit the concealed area to not more than which size?
A ridge board used to connect opposing rafters shall be not less than 1-inch nominal thickness and not less in depth than which of the following?
In conventional rafter framing, where should rafter ties (ceiling joists acting as ties) be located relative to the top plate, and what is the role of collar ties?
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