Building services for residential property – heating systems

Question 1

Liquid petroleum gas (LPG) building regulations

Answer 1

Approved document J sets out standards for thanks oversize commonly encountered in domestic property and for bottled gas storage

Question 2

Location of LPG cylinders diagram

Answer 2

Question 3

Oil heating systems

Answer 3

Regulated by OFTEC

Question 4

The annual inspection by an OFTEC operative to look at a number of features including:

Answer 4

Question 5

Physical condition of the installation (Tanks)

Answer 5

Question 6

Internal oil thanks

Storage tanks can be located within a dwelling as long as they can form to the following:

Answer 6

Question 7

OFTEC guide to domestic oil storage up to 3500 litres

Answer 7

Question 8

Inspecting heating systems.

Hierarchy of inspection indicators

Answer 8

Question 9

Types of certificate:

Answer 9

Question 10

Appliances with ‘open flues’

Answer 10

If the appliance has an open flue, it is necessary to check if it has got an air supply for combustion purposes. This is different from a balanced flue which draws air in directly from the outside

Question 11

Flueless gas appliances

Answer 11

Flueless gas fires discharge combustion products into the room. Ventilation is very important

Question 12

Natural draft balanced flue diagram

Answer 12

Natural draft balanced flue is exchange and combustion products through the natural buoyancy of air and I’m not so efficient

Question 13

Balanced flue – fanned

Answer 13

Find flues push the combustion products away from the boiler and so are usually more efficient

Question 14

Diagram from part J of the building regulations showing the different minimum separation distances and help natural and fan flues are different

Answer 14

Question 15

Table from part J of the building regulations showing the different minimum separation distances and help natural and fan flues are different

Answer 15

Question 16

Condensing boiler diagram

Answer 16

Question 17

Hierarchy of inspection indicators for solid fuel

Answer 17

Question 18

Confirmation of the installation has been properly installed, periodically inspected, altered and maintained.
Evidence should include:

Answer 18

-Official HETAS inspection form fully completed with nine, address and HETAS registration number
– the contractor’s headed note paper and a description of what he has done

Question 19

HETAS suggests chimneys should be swept at least twice a year.

More specific guidance:

Answer 19

Question 20

Sufficient air supply for combustion purposes (open flue)

Answer 20

Building regulations benchmark

Question 21

Proof of appropriate lining of the flue

Answer 21

This has been covered by building regulation since 2002, so you should ask for proof of lining for installation since that date

Question 22

Appropriate flu position/termination

Answer 22

Question 23

Useful questions to ask:

Answer 23