Page 108 - SMM2 eBOOK

SECTION R

ELECTRICAL INSTALLATIONS

Generally

R.1 Information

1. Particulars of the following shall be given:

a. Any regulations, rules, byelaws and the like with which the installation is reqUired to
comply.
b. Kind and quality of material.
c. Gauge, thickness or substance of material
d. Any tests with which materials, plant and equipment are required to comply.
e. Type and voltage of the main electricity supply stating the location of the main
supply point.

2. Assembling and jointing together the component parts of composite units and providing
any necessary jointing materials shall be deemed to be included with the items
concerned. Where composite units are supplied by the Employer, particulars shall be
given of the assembly work involved.

3. Patterns, moulds, templets and the like shall be deemed to be included with the items.

4. Priming or painting off-site and proprietary finishes or surface treatment applied as part of
the production process shall be described stating whether applied before or after
fabrication or assembly.

5. Except where otherwise stated the method of hxing and the provision of nails, bolts, nuts,
holes, screws, plugs, shotfired pins and the like shall be given in the description of the
work.

6. The nature of the background to which work is to be fixed shall be given in the description.
Any necessary drilling of the background shall be deemed to be included Backgrounds
shall be classified as follows:

a. Building board which shall be deemed to inciude hardboard, compressed cement
sheet, plasterboard, hbreboard and similar materials which do not grip woodscrews.
b. Timber which shall be deemed to include softwood, hardwood, blockboard, plywood
and similar materials which will grip wood-screws when a lead-hole has been drilled.
c. Metal-faced or composition-faced timber which shall be deemed to inciude faced
blockboard, faced plywood and similar materials which will grip wood-screws when
a lead-hole and a shank-clearance hole have been drilled.
d. Brickwork, concrete or stonework which shall be deemed to include reinforced
concrete, blockwork and similar materials which require plugging irrespective of any
plaster, glazed tiles, composition or other finish (excluding glass) to the surface.
e. Perforated metal which shall be deemed to include slotted steel, cable-tray and
similar metal which does not require drilling.
f. Plain metal which shall be deemed to include any metal which requires drilling
g. Glass which shall be deemed to include any material resembling glass.

7. Temporary work shall be so described. Removing temporary work and making good after
shall be deemed to be included with the item.

105