Download MEW E101 April 2013 (pdf, 280kb) - NSW Public Works
Download MEW E101 April 2013 (pdf, 280kb) - NSW Public Works
Download MEW E101 April 2013 (pdf, 280kb) - NSW Public Works
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Part 1 - Installation<br />
Holes for screws shall have the correct clearances.<br />
Holes drilled for masonry anchors shall be 6 mm deeper than the plug or anchor and<br />
correctly sized to the manufacturer's recommendations. Pilot holes for timber fixing shall<br />
not be larger than the screw root diameter.<br />
Plastic or fibre plugs shall not be used.<br />
111.2 Conduits<br />
Conduits 20, 25 and 32 dia. shall be fixed as follows:<br />
(a) To masonry, concrete, cement rendered walls: Ø 6 expanding sleeve masonry<br />
anchor to accommodate an M4.5 thread. However for 20 and 25 conduits indoors<br />
nylon anchors with mushroom stainless steel expansion nail may be used.<br />
(b) To timber: where directed fixed, wood screw No. 8 x 20, round head. Where fixed<br />
through fibrous cement, plaster, plaster board, etc., the screws shall be of<br />
sufficient length to allow for the additional thickness.<br />
(c) To sheet metal: No. 8 x 13 long, galvanised binding head, self tapping screws.<br />
(d) To steel: M5 round head screws of appropriate length tapped or bolted.<br />
Conduits 40, 50, 63, 65, 80 and 100 dia. shall be fixed as follows:<br />
(a) To masonry, concrete, cement rendered walls: Ø8 expanding sleeve masonry<br />
anchor to accommodate an M8 thread.<br />
(b) To timber: where directly fixed, steel wood screw No. 12 x 35, round head. Where<br />
fixed through asbestos cement, plaster board, etc, the screws shall be of sufficient<br />
length to allow for the additional thickness.<br />
(c) To sheet metal: No. 12 x 13 long, galvanised binding head, self tapping screws.<br />
(d) To steel: M6 round head screws of appropriate length tapped or bolted.<br />
111.3 Mounting Blocks<br />
Mounting blocks shall be fixed with four screws as specified for conduits 20, 25 and 32<br />
mm diameter.<br />
111.4 Switchboards<br />
The fixing of switchboards shall be as described in Clause 112.2.<br />
111.5 Switch Panels, Boxes<br />
Switch panels and boxes shall be fixed with four screws in accordance with 112.2.<br />
Fixings shall be one of the following, to suit the surface:<br />
(a) Steel wood screw, No. 8, round head, or<br />
(b) No. 8 electro-galvanised, binding head, self tapping, or<br />
(c) M5, round head.<br />
(d) M8 masonry anchor.<br />
111.6 Surface Mounted Switches<br />
Fixings shall be as indicated in Clause 112.5.<br />
Single gang switches shall be fixed with two screws and double gang and larger with four<br />
screws.<br />
111.7 Cable Troughing, Cable Tray, Skirting Troughing<br />
Cable troughings, trays and skirting troughing wider than 100 shall be fixed at intervals of<br />
not more than 1000 with two screws per fixing. Screws shall be steel wood screws, No.<br />
Page 22<br />
<strong>MEW</strong> <strong>E101</strong>