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Simon Storage – ISCo East
No.7 Switchroom – MCC Tender
P & I Design Ltd
DOCUMENT NO: SI451004_RPT
2 Reed Street, Thornaby, UK, TS17 7AF
ISSUE: A DATE: 15.08.12
Tel: + 44 (0)1642 617444
PAGE 6 OF 9
Fax: + 44 (0)1642 616447
www.pidesign.co.uk3)
Drives ≥ 15kW shall be soft start. Appropriately sized Soft Starters from the Aucom
CSXi range shall be used. Remote operator panels shall be mounted on the
compartment door.
4)
Drives < 15kW shall be Direct On Line
5)
All DOL compartments shall be capable of upgrading to 11kW with the minimum of
disruption, regardless of currently installed drive size i.e. :-
a.
Power cabling including busbar tails shall be sized for 11kW drive
throughout
b.
Door isolator shall be rated at 63A regardless of currently installed drive size.
c.
Fused Switch (where applicable) shall be rated at 63A regardless of currently
installed drive size. Appropriately sized fuses shall be specified with
construction issue drawings.
6)
Soft Start compartments ≤ 55kW shall be capable of upgrading to 55kW with the
minimum of disruption, regardless of currently installed drive size i.e. :-
a.
Power cabling including busbar tails shall be sized for 55kW drive
throughout
7)
Fuse switches (where installed) shall always be capable of taking one size larger
current rated fuse than that specified for a particular drive.
8)
In laying out compartments, due regard shall be given to installation of cabling and
general maintainability i.e. spacing and access of components, sufficient space to
install and terminate field power cables, noting that these are likely to be
significantly larger than the internal power cables. As noted under the documentation
requirements section of this tender, internal compartment layout drawings shall be
submitted for approval prior to construction commencing.
2.1.2 Spare Compartments
The tender shall specify how many spare compartments can be achieved within the
steelwork required for the drives specified.
2.1.3 Crash Stop Compartment
A dedicated compartment shall be provided for crash stop controls in each MCC. Internal
panel wiring shall be taken from this compartment to each individual drive compartment.
2.1.4 Control Power Compartment
A 230Vac / 24Vdc control power section shall be provided in each MCC, this will include
24Vdc 20A power supply
30 way 24V dc fused power distribution
415V/240V control transformer with 30 way 240V fused power distribution
Internal panel wiring shall be taken from this compartment to each individual drive
compartment.