APPENDIX CC-Contd.
(5) Pumping Stations (quantity pumped in million gallons)
1971-72 1972-73 Raw water... 108,292 106,742 Filtered water 51,720 55,625 Salt water 15,666 14,927(6) Meters
1971-72 1972-73 ... 59,244 70,042 ... 484,047 554,089 Additional meters installed Total meters in service at end of year(7) Routine Mechanical Works
Items of work carried out in Workshops 1971-72 1972-73 Meters overhauled 1,960 2,244 Major engine overhauls 29,489 37,126 Top engine overhauls 36 22 24 28 ... ... ... Major pump overhauls 145 107 219 18 1 Other repairs or works Contracts let ... ... ... ... ...(8) Routine Electrical Works
Items of work carried out in Workshops
Electrical plant inspection and test Electrical plant major overhauls Electrical plant faults repaired Instrumentation inspection and test Instrumentation faults repaired...
(9) Trunk and Distribution Mains
1971-72 1972-73 ... 1,492 1,066 55,484 51,926 14 17 294 283 1. 8,382 14,502 582 728The following fresh and salt water trunk and distribution mains were laid:
Fresh Water (ft.) Salt Water (ft.) Steel 21 ins. dia. and over 5,400 75 Steel 4 ins. to 18 ins. dia. 866 150 Cast Iron 4 ins. to 18 ins. dia. 2,315 ... Asbestos Cement 3 ins. to 24 ins. dia. 52,907 34,100 Galvanized Iron 3 ins. to 6 ins. dia. 145,868 87 Galvanized Iron 4 ins. to 2 ins. dia 107,424 P.V.C. 3 ins. to 6 ins. dia. 6,772 40,449 213