Identification Plates

Plates, discs and labels for the identification of plants, cables, switches and the like shall be deemed to be included with the item concerned. Charts giving the key thereto shall be enumerated.

Sundries

R.22 Generally

1. Marking the positions of holes, mortices, chases and the like in the structure shall be given as an item for each installation. Where the nature of the work necessitates any of those to be formed during construction, the relevant particulars shall be given.

2. General earth bonding and earthing each installation shall be given as an item.

3. Disconnecting, seKing aside and rehxing existing equipment for the convenience of other trades shall be given as an item stating the relevant particulars.

4. Temporarily operating each installation (except for testing) shall be given as an item stating any required qualifications of the aKendant, the duration of the operating period in hours and the purpose and particulars of any special insurance cover required by the Employer. Providing current shall be deemed to be included with the items.

5. Testing each installation shall be given as an item stating particulars of any special insurance cover required by the Employer Providing instruments and current shall be deemed to be included.

R 22 Generally (cont'd)

6. Preparing plans or diagrams of the installations as fitted shall be given as an item stating the kind of information required to be shown and the number of copies of each drawing required to be provided.

Builder's work

R.23 Generally

1. Unless otherwise stated all items of builder's work shall be given in accordance with the appropriate Sections.

2. Builder's work in connection with electrical installations shall be grouped together under an appropriate heading.

R.24 Particularly

1. Excavating trenches for cables and pipe ducts not exceeding 55 mm nominal size shall be given in accordance with clause D.12.9. Excavating trenches for pipe ducts exceeding 55mm nominal size shall be given in accordance with clause V.2. Sand for bedding cables in trenches shall be given in metres stating the average width and depth of the sand. 2 Cable covers in trenches shall be given in metres stating the type and the size. 3. Inspection chambers shall be given in accordance with clause V.6.

4. Bedding and pointing components or units of equipment, ancillaries and the like shall be enumerated stating the size thereof and the composition and mix of the bedding material. 5. Cutting and pinning ends of supports for equipment, ancillaries, fittings, tnunking, tray and

the like shall be enumerated stating the size of the support and the nature of the stnucture.

6. In new structures cutting away for and making good after the electrician shall be enumerated as electrical points stating the type of conduits or cables and whether concealed or exposed. Notwithstanding any requirements to the contrary in this document, the enumerated electrical points shall include cutting or leaving all holes, notches, mortices, sinkings and chases in both the structure and its coverings and for all making good except that cutting away and making good to unusually expensive coverings, shall each be enumerated separately. Classification of electrical points shall be as follows: a. Lighting points irrespective of size or type. Associated switch points shall be

deemed to be included with lighting points irrespective of number.

b. Socket-outlet points irrespective of size or type. Associated switch points shall be deemed to be included with the socket-outlet points irrespective of number.

c. Fitting-outlet points irrespective of size, type and kind.

d. Equipment points and control gear points (grouped together) irrespective of size, type and kind.

R.24 Particularly (cont'd)

7. In existing structUres, cuHing away for and making good after the electrician shall be given as follows:

a. Holes for condUits, cables, trunking, tray and the like shall be given in accordance with the appropriate section.

b. Mortices, sinkings and the like shall each be enumerated separately stating the size thereof and the nature of the structure.

c. Lifting and replacing existing chequer-plates and the like shall be given in metres. d. Lifting and replacing existing floorboards (measured along the route of the cable or

conduit) shall be given in metres stating the number of cables or conduits as follows:

In groups not exceeding 3 cables or conduits.

3-6

exceeding 6

No distinction shall be made between routes parallel to or at an angle to the fioorboards. Cutting floorboards and notching joists shall be deemed to be included with the items.

e. Cutting chases shall be given in metres stating the size of the cable, conduit or trunking and the nature of the structure.

8. Pylons, poles, hut-posts, wall-brackets, pole-brackets, pole-stays and the like for supporting cables shall each be enumerated separately stating the size, the method of fixing and the nature of the structure.

9. Boring or excavating holes in ground for poles and stays shall be enumerated stating the depth, the nature of the filling and the treatment of surplus soil.

10. Excavating pits and forming concrete bases for pylons shall be given in accordance with Sections D and F.

11. Catenary cables shall be given in metres stating the type and size. Eye-bolts, shackles and straining screws shall be given in the description stating the method of fixing.

SECTION S