Page 103 - SMM2 eBOOK

Q.16 Ductwork supports (cont'd)

b. Components for sUpporting multiple runs of ducting.
c Combined components for supporting ducting and pipework.

2. Particulars of the method of fixing shall be given in the description as clauses Q.1.5-6.

Q.17 Alternative method of measurement

The rules contained in clause Q.18 provide an alternative to the rules set out in clause Q 14.

Q18 Ducting and ducting fittings

1. Ducting (measured the net weight of all ducting lengths as installed and overall joints in
the running length but excluding the weight of any materials required for seams or welts or
for stiffening or jointing which shall be deemed to be included with the items) shall be
given in kilogrammes stating the gauge or thickness of the material. Stiffeners and the
method of jointing shall be given in the description.

2. Fiexible ducting and extensible ducting (measured as fully extended) shall be described
and enumerated.

3. Curved ducting shall be so described stating the mean radius.

4. Lining, ducting internally with acoustic or protective material shall be given separately in
metres in accordance with clause Q.14.2. .

Equipment and ancillaries

Q.19 Generally

1 Unless othenwise stated, equipment such as boilers, generators, heaters, water treatment
plant, tanks, cylinders, calorifiers, pumps, coolers, air-handling unit, fans, refrigerator
equipment, meters, sanitary fittings, etc. and ancillaries such as soot doors to boilers,
valves and cocks, gauges, automatic controls etc. shall be enumerated and related to the
specification referred to in clause Q.1.1.

2. Packaged items of equipment and ancillaries shall be described in conjunction with a
manufacturer's detailed specification.

3. Any limiting dimensions on the size of equipment shall be given.

4. Electrical connections shall be given in accordance with Section R.

5. Platework, fuel hoppers and supporting steelwork shall be given in accordance with
Section P.

Q.20 Anti-vibration and sound insulation

Anti-vibration mountings for plant shall be enumerated stating the type and the size. Anti-
vibration material and sound-insulating material in plant bases shall be given in square metres
stating the nature of the material and the thickness.

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