outdoor hot tub maintenance image
merrio
I can't find anything specific on the City site ...
Answer
http://www.spasnstuff.com/MA-Massachusetts-hot-tubs-spas-infrared-saunas.html
These are the universal rules. The site listed above gives you a local contact to advise you further.
No matter where you decide to place your hot tub you need to make sure that the location has a solid foundation. What this means to you is that the foundation must be a uniformly firm, continuous, and it must provide a level setting. The recommended foundation is a concrete pad with a minimum thickness of 4 inches with steel reinforced cross bars throughout.
When installing your spa on a wood deck or balcony, the same load requirements must be met. Total load may be as much as 90 pounds per square foot. Remember that your hot tub weights about 700 pounds on its own, then when you add water and people, it could have a total weight of up to 4,000 pounds.
Regardless of the location that you decide upon, you need to be sure that the hot tub is not within 10 feet of overhead power lines and that you leave access to the internal equipment.
In order to complete maintenance or to make a needed repair, you will need adequate space to be able to reach the internal components. If your hot tub has external equipment you need to know that most city codes require that the equipment be at least 5' from the tub, unless they are separated by a permanent solid barrier.
http://www.spasnstuff.com/MA-Massachusetts-hot-tubs-spas-infrared-saunas.html
These are the universal rules. The site listed above gives you a local contact to advise you further.
No matter where you decide to place your hot tub you need to make sure that the location has a solid foundation. What this means to you is that the foundation must be a uniformly firm, continuous, and it must provide a level setting. The recommended foundation is a concrete pad with a minimum thickness of 4 inches with steel reinforced cross bars throughout.
When installing your spa on a wood deck or balcony, the same load requirements must be met. Total load may be as much as 90 pounds per square foot. Remember that your hot tub weights about 700 pounds on its own, then when you add water and people, it could have a total weight of up to 4,000 pounds.
Regardless of the location that you decide upon, you need to be sure that the hot tub is not within 10 feet of overhead power lines and that you leave access to the internal equipment.
In order to complete maintenance or to make a needed repair, you will need adequate space to be able to reach the internal components. If your hot tub has external equipment you need to know that most city codes require that the equipment be at least 5' from the tub, unless they are separated by a permanent solid barrier.
Do I need a service disconnect if my main breaker panel is within line of sight of the spa?
K P
If possible, please provide references.
Answer
QUESTION: Is a spa or hot tub installed at a single-family residence, outdoors on a deck,
required to have the disconnecting means specified in NEC 680.12? Is a general-purpose
receptacle outlet required between 6 and 20 feet from the spa or hot tub per 680.22(A)(3)?
Does the equipotential bonding grid required in 680.26(B)(2) have to be installed around the
perimeter of the spa or hot tub?
ANSWER PART 1: Yes, a maintenance disconnecting means is required. NEC 680.42 for
outdoor spa and hot installations refers back to Part I and Part II for the rules that would
otherwise apply to swimming pools. (NEC 680.42(A) and (B) do provide some exceptions from
the main rules in Parts I and II; these exceptions are related to flexible connections and
bonding). The disconnecting means mentioned in the question is in 680.12 in Part I and would
be applicable to outdoor spas and hot tubs. In summary, the outdoor spa or hot tub in question
would be required to be provided with a maintenance disconnecting means in accordance with
690.12.
ANSWER PART 2: Yes, a GFCI-protected receptacle outlet would be required to be installed
no closer than 6 feet and no further than 20 feet from the outdoor spa or hot tub.
ANSWER PART 3: Yes, an equipotential bonding grid would be required for an outdoor spa or
hot tub. Compliance with the prescriptive rules in the NEC is achievable through proper design,
planning, and construction for a new installation. However, if a new packaged spa or hot tub is
IAEI April 15, 2009
Page 2 of 4
located onto an existing deck or an existing grade-level concrete patio, it can be a challenge to
meet the prescriptive requirements in the NEC. In summary, when new spas or hot tubs are
placed into existing locations, the installer and the AHJ will need to assess each situation and
its unique characteristics on a case-by-case basis in order to meet the intent of the NEC and to
ensure a safe installation.
QUESTION: Is a spa or hot tub installed at a single-family residence, outdoors on a deck,
required to have the disconnecting means specified in NEC 680.12? Is a general-purpose
receptacle outlet required between 6 and 20 feet from the spa or hot tub per 680.22(A)(3)?
Does the equipotential bonding grid required in 680.26(B)(2) have to be installed around the
perimeter of the spa or hot tub?
ANSWER PART 1: Yes, a maintenance disconnecting means is required. NEC 680.42 for
outdoor spa and hot installations refers back to Part I and Part II for the rules that would
otherwise apply to swimming pools. (NEC 680.42(A) and (B) do provide some exceptions from
the main rules in Parts I and II; these exceptions are related to flexible connections and
bonding). The disconnecting means mentioned in the question is in 680.12 in Part I and would
be applicable to outdoor spas and hot tubs. In summary, the outdoor spa or hot tub in question
would be required to be provided with a maintenance disconnecting means in accordance with
690.12.
ANSWER PART 2: Yes, a GFCI-protected receptacle outlet would be required to be installed
no closer than 6 feet and no further than 20 feet from the outdoor spa or hot tub.
ANSWER PART 3: Yes, an equipotential bonding grid would be required for an outdoor spa or
hot tub. Compliance with the prescriptive rules in the NEC is achievable through proper design,
planning, and construction for a new installation. However, if a new packaged spa or hot tub is
IAEI April 15, 2009
Page 2 of 4
located onto an existing deck or an existing grade-level concrete patio, it can be a challenge to
meet the prescriptive requirements in the NEC. In summary, when new spas or hot tubs are
placed into existing locations, the installer and the AHJ will need to assess each situation and
its unique characteristics on a case-by-case basis in order to meet the intent of the NEC and to
ensure a safe installation.
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Title Post: What are the requirements for an outdoor hot tub in Boston?
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