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    Fireblocking and draftstopping?

    You will still have to insulate the walls to the top plate, so it is usually easier to have the SR contractor run the SR all the way up to encase the insulation vapor barrier. Plus, it saves the trades time since they won't have to drill through the firestopping at the ceiling line before they...
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    Waste Receptor locations

    Most codes make provisions for any type of system to be "protected" so as not to damage the buildings they are in. In the '12 IMC, section 307.2.3 requires that that you provide both a primary & secondary drain. The primary line drains the pan directly below the coils & when that becomes stopped...
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    pump in return plenum

    Try this: SECTION M1601 DUCT CONSTRUCTION M1601.1 Duct design. Duct systems serving heating, cooling and ventilation equipment shall be installed in accordance with the provisions of this section and ACCA Manual D or other approved methods. M1601.1.1 Above-ground duct systems. Above-ground...
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    Doweling Rebar Into Existing Foundation For Addition

    The pins into the original foundation are for shear, not lateral movement. When butting up a new footing to a basement wall, the boss would have us simply knock a hole or two in the cinderblock about 6" round, stuff some ruble into the top of the block below the holes & allow the concrete to...
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    treated wood code question

    Has NJ adopted or will they recognize the current ICC Existing Building Code? I feel sure you could find something in there to help you. SECTION 601 GENERAL 601.1 Scope. Repairs as described in Section 502 shall comply with the requirements of this chapter. Repairs to historic buildings need...
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    Handicap Parking Spaces

    This may help -
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    brick and block foundation

    Buck - not to worry - the brick laid on edge are just to get the masonry courses to the correct level. The load will be distributed evenly along the length of the wall, so these few brick on edge will not weaken the wall. Your designer may be guilty of a little over-kill on the rods, but I...
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    3 Family Deck/ Stairs

    A larger issue may be that if it is a required Means of Egress, doesn't it have to be separated from the interior of the building with a fire rated exterior wall with all doors & windows within 10' of the stairs being protected with a fire rating also? The stairs become pretty useless if the...
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    Guard openings in historic building?

    This may help - 2012 Existing Building Code CHAPTER 12 HISTORIC BUILDINGS 1203.10 Guards. Guards shall comply with Sections 1203.10.1 and 1203.10.2. 1203.10.1 Height. Existing guards shall comply with the requirements of Section 605. 1203.10.2 Guard openings. The spacing between...
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    Fire Alarm control unit

    There are 2 different types of alarm systems - - - Fire Alarm systems & Sprinkler Monitoring systems. The code is very specific as to when a Fire alarm system is required (IBC 907), but there are some exceptions as to when a sprinkler systems must be monitored (903.4, 903.4.1, & 903.4.2.). 2012 code
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    Condensation floor pipes

    Are we sure that this is not what used to be referred to as a "Hub drain"? The hub of the fitting was raised above the floor surface so that other waste water did not readily go into that system. Oft times they were used on an independent system that went to daylight or the storm drainage system...
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    Requirement for party wall?

    Try Section 705.8 & Table 705.8. There can be no openings into the building within 5' of the property line.
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    2012 IBC Ceiling radiation dampers?

    You are only penetrating a fire rated assembly membrane, not a through penetration. As long as you are using all 26 gauge metal duct and properly sealing all the joints & sealing up all the annular space around each penetration, you will have a compliant system. 714.4.1.2
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    Two prong receptacles

    The homeowner can only replace the receptacles in kind without a permit - remove a 2 prong receptacle & replace with a new 2 prong receptacle. If they replace it with a 3 prong receptacle, the permit is required.
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    Draft hood

    OK, first off, he does not need that B-vent inside the room. It is much easier & less costly to use single wall "stove pipe" or round duct to get from the appliance to the B-vent. The be vent does not have to start until the vent is leaving the room where the appliance is located.
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    Two prong receptacles

    Gentleman. I would like to pick your collective brains, especially you old-timers, and do a little forensic work regarding two prong receptacles / receptacles without a ground. In my locality, there were no Building / trade codes which were enforced statewide until 1972. Many of the larger...
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    Help with exterior door swing

    The "owner" probably wants the door to swing in so that noone can get to the hinges to get the door open when the space is looked or so that that no one can brace the door traping people inside.
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    Penetrations followed by flex duct within rated floor-ceiling assembly

    First, is the penatration cimbustible or non-combustible? If there is any flexiible duct being used in the system or fabric vibration isolators, then the system is treated as combustible and IMC 607.6.2 (IBC 716.6.2) comes into play. If the entire duct system is constructed of steel having a...
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    domestic kichen exhaust duct in multifamily

    I would argue that walls are specifically addressed in 716.5.1 -Fire Walls and that section 716.5.2- Fire Barriers pertains to ALL Fire Barriers, both horizonal & vertical. The intent in the section is that you provide a non-combusible "chase" for the air to flow through of sufficient thickness...
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    domestic kichen exhaust duct in multifamily

    Use 26 gauge metal for the duct per 716.5.2; Ex. 3
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