COST COMPARISON OF 5A AND 13A SOCKET OUTLET WIRING FOR MAJORITY OF HOUSES IN SRI LANKA

TYPES OF HOUSES ACCORDING TO TOTAL FLOOR AREA (A) TYPEFLOOR AREA A(m 2 ) LOW INCOME HOUSE<50 LOWER MIDDLE CLASS HOUSE50<A<100 MIDDLE CLASS HOUSE>100

CASE I : PLANNED 5A & 13A SOCKET OUTLET ARRANGEMENTS AND NUMBER OF CIRCUITS ROOM NO. OF 5A & 13A SOCKET OUTLETS NO. OF CIRCUITS 5A13A BED ROOM(1 no.)2-1 LIVING ROOM4-2 PANTRY-1 (ONE DEDICATED) FOR LOW INCOME HOUSE (AREA < 50m 2 )

CASE II : PLANNED 5A & 13A SOCKET OUTLET ARRANGEMENTS AND NUMBER OF CIRCUITS ROOM NO. OF 5A & 13A SOCKET OUTLETS NO. OF CIRCUITS 5A13A BED ROOM (3 nos.)6-3 LIVING ROOM6-3 PANTRY212(ONE DEDICATED CCT) FOR LOWER MIDDLE CLASS HOUSE (50m 2 < AREA < 100m 2 )

CASE III : PLANNED 5A & 13A SOCKET OUTLET ARRANGEMENTS AND NUMBER OF CIRCUITS ROOM NO. OF 5A & 13A SOCKET OUTLETS NO. OF CIRCUITS 5A13A BED ROOM (3 nos.)6-3 LIVING ROOM6-3 PANTRY413 (ONE DEDICATED CCT) OTHER4-2 FOR MIDDLE CLASS HOUSE (AREA > 100m 2 )

CASE IV : PLANNED 13A SOCKET OUTLET ARRANGEMENTS AND NUMBER OF CIRCUITS ROOM NO. OF 13A SOCKET OUTLETS NO. OF CIRCUITS BED ROOM2 1 (RADIAL CCT- REF. APPX. 15 OF IEE) 1 (DEDICATED RADIAL CCT FOR PANTRY) LIVING ROOM4 PANTRY1 FOR LOW INCOME HOUSE (AREA < 50m 2 )

CASE V : PLANNED 13A SOCKET OUTLET ARRANGEMENTS AND NUMBER OF CIRCUITS ROOM NO. OF 13A SOCKET OUTLETS NO. OF CIRCUITS BED ROOM6 2 (RADIAL CCTS- REF. APPX. 15 OF IEE) 1 (DEDICATED RADIAL CCT FOR PANTRY) LIVING ROOM6 PANTRY1 FOR LOWER MIDDLE CLASS HOUSE (50m 2 < AREA < 100m 2 )

CASE VI : PLANNED 13A SOCKET OUTLET ARRANGEMENTS AND NUMBER OF CIRCUITS ROOM NO. OF 13A SOCKET OUTLETS NO. OF CIRCUITS BED ROOM6 3 (RADIAL CCTS- REF. APPX. 15 OF IEE) 1 (ONE DEDICATED CCT) LIVING ROOM6 OTHER AREAS4 PANTRY5 FOR MIDDLE CLASS HOUSE (AREA > 100m 2 )

SUMMARY FOR ALL CASES TYPE OF HOUSECASE PROPOSED NUMBER OF SOCKET OUTLETS NO. OF CIRCUITS 5A13A LOW INCOME HOUSE (AREA < 50m 2 ) I614 LOWER MIDDLE CLASS HOUSE (50m 2 < AREA < 100m 2 ) II1418 MIDDLE CLASS HOUSE (AREA > 100m 2 ) III20111 LOW INCOME HOUSE (AREA < 50m 2 ) IV72 LOWER MIDDLE CLASS HOUSE (50m 2 < AREA < 100m 2 ) V153 MIDDLE CLASS HOUSE (AREA > 100m 2 ) VI214

CABLE SIZING – TYPE 1 : 5A SOCKET OUTLET (2 NOS FOR ONE CIRCUIT) » 1.5mm 2 CU/PVC/PVC TWIN CABLE + 2.5mm 2 CU/PVC EARTH CABLE – TYPE 2: 13A SOCKET OUTLET » 2.5mm 2 CU/PVC/PVC TWIN CABLE + 2.5mm 2 CU/PVC EARTH CABLE

RATE BREAKDOWN FOR WIRING 2 NOS OF 5A SOCKET OUTLETS Installation charges for 1no. of 5A socket outlet considered as Rs

RATE BREAKDOWN FOR WIRING OF 1 NO 13A SOCKET OUTLET Installation charges for 1no. of 13A socket outlet considered as Rs

RATE BREAKDOWN FOR WIRING OF 6 NOS 13A SOCKET OUTLETS Installation charges for 1no. of 13A socket outlet considered as Rs

RATE BREAKDOWN FOR WIRING OF 7 NOS 13A SOCKET OUTLETS Installation charges for 1no. of 13A socket outlet considered as Rs

SUMMARY OF WIRING COST

SOCKET OUTLET WIRING COST FOR EACH CASE

COST OF CIRCUIT BREAKERS FOR SOCKET OUTLETS FOR EACH CASE TYPE OF HOUSECASE NOF OF CURCUITS MCBQTY Rate Rs. Amount Rs. LOW INCOME HOUSE (AREA < 50m 2 ) I410A SP 6kA MCB LOWER MIDDLE CLASS HOUSE (50m 2 < AREA < 100m 2 ) II810A SP 6kA MCB MIDDLE CLASS HOUSE (AREA > 100m 2 ) III1110A SP 6kA MCB TYPE OF HOUSECASE NOF OF CURCUITS MCBQTY Rate Rs. Amount Rs. LOW INCOME HOUSE (AREA < 50m 2 ) IV216A SP 6kA MCB LOWER MIDDLE CLASS HOUSE (50m 2 < AREA < 100m 2 ) V316A SP 6kA MCB MIDDLE CLASS HOUSE (AREA > 100m 2 ) VI416A SP 6kA MCB

TOTAL COST FOR EACH CASE

SUMMARY OF COST COMPARISON

REFERENCE ACL Cables Price List 2011 Orange Socket Outlets Price List 2012 EATON MCB Price List 2013 (From Richardson Projects Pvt Ltd) BS 7671: 2008 IEE Wiring Regulation 17 th Edition