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## Calculate Water Bill Consumption PRO-RATE BILLING  What is pro-rate billing? It is a method of billing where the consumption banding is pro-rated for each tariff band based on a 30-day billing period and is only applicable to Domestic (Code 10) where there is a three band tariff and Commercial (Code 11) where there is two band tariff respectively. When was the pro-rate method be implemented With effect from 1st December 2007 Is the pro-rate method applicable to all billing period ? Effective from 1st January 2018 , billing is considered a month if the billing period falls within 28 days to 33 days and any billing period days that are not within that range will be pro - rated. What is the benefit of the pro-rate billing to SYABAS consumer? Since the formation of SYABAS, programs such as pipe replacement, relocation of meter position and continuous improvement of water quality were carried out by SYABAS to improve the level of services. Prorate billing is another initiative by SYABAS to allows SYABAS to provide the appropriate tariff of respective consumption band based on the period of billing. BILL CALCULATION FOR TARIFF CODE - 10 (DOMESTIC)

Billing days : 34 days
Billing Period : 34 days/ 30 days (1 month), Rate = 1.13

Consumption : 50 m³

 20 m³ x 34 days / 30 days = 22.60 m³ x RM 0.57 = RM 12.88 15 m³ x 34 days / 30 days = 16.95 m³ x RM 1.03 = RM 17.46 Remainder = 10.45m³ x RM 2.00 = RM 20.90 TOTAL RM 51.24

Billing days : 31 days

Billing Period : 31 days - No Prorate

Consumption : 40 m³

 20 m³ (No Prorate) = 20 m³ x RM 0.57 = RM 11.40 15 m³  (No Prorate) = 15 m³ x RM 1.03 = RM 15.45 Remainder = 5 m³ x RM 2.00 = RM 10.00 TOTAL RM 36.85

Billing days : 27 days

Billing Period : 27 days / 30 days ( 1 month ), Rate = 0.9

Consumption : 40 m³

 20 m³ x 27 days / 30 days = 18m³ x RM 0.57 = RM 10.26 15 m³ x 27 days / 30 days = 13.50m³ x RM 1.03 = RM 13.91 Remainder = 8.50 m³ x RM 2.00 = RM 17.00 TOTAL RM 41.17 BILL CALCULATION FOR TARIFF CODE - 11 (COMMERCIAL)

Billing days : 35 days

Billing Period : 35 days/ 30 days (1 month), Rate = 1.17

Consumption : 50 m³

 35 m³ x 35 days / 30 days = 40.95 m³ x RM 2.07 = RM 84.77 Remainder = 9.05 m³ x RM 2.28 = RM 20.63 TOTAL RM 105.40

Billing days : 31 days

Billing Period : 31 days - No Prorate

Consumption : 40 m³

 35 m³ - No Prorate = 35 m³ x RM 2.07 = RM 72.45 Remainder = 5 m³ x RM 2.28 = RM 11.40 TOTAL RM 83.85

Billing days : 27 days

Billing Period : 27 days / 30 days ( 1 month ), Rate = 0.9

Consumption : 50 m³

 35 m³ x 27 days / 30 days = 31.50 m³ x RM 2.07 = RM 65.21 Remainder = 18.50 m³ x RM 2.28 = RM 42.18 TOTAL RM 107.39