283-2022 - Supply of Pumping Equipment and Valves for Riverbend Lift Station Upgrades

D2.          SCOPE OF WORK

The Work to be done under the Contract shall consist of the supply and delivery of pumping
equipment and valves as described in D2.2.

The major components of the Work are as follows:
(a)   Pumps:
(i)     supply and delivery of two (2) one hundred fifty-four (154) litres per second (L/s) pumps
at approximately 10.7 metres (m) Total Dynamic Head, complete with motors, drive shafts, drive
shaft guards, pump suction elbows, supports, instruments and spare parts. The pumps shall be
installed in a dry well and the motor shall be installed higher up in a motor room.  A pump that is
submersible style pump where the motor is connected directly to the pump will not be acceptable;
(ii)     supply of tools, accessories and spare parts; and
(iii)     initial start-up inspection and on-site testing for pumping equipment.
(b)   Resilient Seated Non-Rising Stem Gate Valves:
(i)     one (1) two hundred fifty (250) millimetres (mm) gate valves – manually actuated.
(c)    Resilient Seated Rising Stem Gate Valves:
(i)     two (2) three hundred (300) mm gate valves – manually actuated;
(ii)     one (1) three hundred fifty (350) mm gate vales – manually actuated; and
(iii)     two (2) two hundred fifty (250) mm gate valves – manually actuated.
(d)   Check Valves:
(i)     two (2) two hundred fifty (250) mm check valves with “hold-open” device.
(e)   two (2) days of on-site training for all of the equipment supplied under the Contract;
(f)    five (5) hard copies and one (1) electronic copy of the Operations and Maintenance Manuals;
and
(g)   attend a warranty site visit and correct any deficiencies.