Pumping Stations Sample Clauses
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Pumping Stations. Pumping station design flow shall be established during final design, as the total of all sewage collected within the drainage basin or basins that the station serves, with an appropriate peaking factor applied corresponding to the size of the drainage area. Pumping stations shall be designed and constructed with adequate capacity to pump the design flow with one pump out of service. If the station contains pumping equipment of more than one size, this requirement shall apply with one of the largest units out of service.
Pumping Stations. (i) Where the Design incorporates a pumped drainage system specifically for the new Raith Underpass this shall comply with the requirements of this section 1.5.11.
(ii) Pumping station design shall take account of BD78/99 – Chapter 7 (DMRB, Volume 2, Section 2, Part 9) and ▇▇▇▇▇ Report 121, ‘Design of low-lift pumping stations’.
(iii) Pumping stations shall prevent flooding from the surface water drainage network and shall cater for all events up to and including the 1 in 30yr plus climate change.
(iv) The design flow rate shall be between 80% and 105% of the pumpset ‘best efficiency point’ (BEP). The minimum standby capacity shall be equivalent to one third of the design flow rate.
(v) Maintenance access shall include a ‘permanently-in-place’ pump removal facility. All lifting equipment shall comply with the Lifting Operations and Lifting Equipment Regulations and Provision and Use of Work Equipment Regulations.
(vi) An auxiliary or stand-by power supply (capable of full operation of the pumping station) shall be provided together with an advance warning system. This shall be integrated with a means of diverting traffic along alternative routes in the event of a power failure or some other complete failure of the pumping station.