SPECIFICATION

Office accommodation on the first to ninth floors adjacent to Holborn Circus and first to sixth floors to the south west corner of the site

The main loading bay is located at lower ground floor with further storage accommodation

Generally 9m x 7.5m

600x600mm metal encapsulated tile on pedestals, 90mm overall thickness

Water supply and drain provided in two locations to large floors (1st - 6th) and one location 7th - 9th adjacent to toilet cores

Capped connections on each floor (as above)

Toilet provision has been made based on an average population density of one person per 8m2 at 60:60 male to female ratio (based on single occupancy)

Flexibility to provide one per floor (No water and drainage provision currently allowed for)

The infrastructure for speed turnstiles will be in place

Major ventilation, heating and cooling base building plant is located at basement and roof levels. Tenant plant space is available within the first floor courtyard

Three UKPN substations located at lower ground level on site. Each substation feeds a separate LV switch room (MV1, MV2 and MV3), which in turn supply 120 Holborn and The Hatton Garden Centre. The electrical infrastructure (switchgear and rising busbar system) serving 120 Holborn have been replaced as part of the 2014 refurbishment

An incoming metered gas supply from the adjacent street network terminates in the basement gas meter room to serve central plant only (Not for Tenant use)

Incoming metered water supplies from the adjacent street network terminate in basement tank rooms in each core to serve central plant only (Not for Tenant use)

Cable ducts into building from local infrastructure to frame rooms and risers

Route from data riser to dedicated satellite area at roof area

Central chilled water plant is located within a basement plantroom comprising four water cooled chillers. From the secondary pumps chilled water is supplied to the air handling unit cooling coils with pipe distribution located within the risers. Central boiler plant is located within a basement comprising three gas fired shell and tube boilers. From the secondary pumps hot water is supplied to the air handling unit heating coils with heating return distribution located within the core services risers

Hatton Garden (Southeast Core):
Fitted with 4 no 20 person (1600kg) passenger lifts and 1 no 8 person (600kg) fire fighting type originally manufactured by Otis. The lifts serve 10 levels (G – 9). The lifts have a conventional traction drive, positioned in an overhead full sized machine room and have a speed of 2.5 m/s

Leather Lane (Southwest Core):
Fitted with 2 no 12 person (900kg) passenger lifts and 1 no 8 person (600kg) fire fighting type originally manufactured by Otis. The lifts serve 9 levels (B,LG,G – 6). The lifts have an conventional traction drive, positioned in an overhead full sized machine room

There is a standby diesel generator at lower ground level that is used to power essential security, fire protection and smoke extract systems in the event of no mains power being available

Space available at basement level to fit a tenant generator (250 kw)

Tenant plant space is available on the 1st floor courtyard; this space is open to air

HVAC Design Density one person per 8m2 (NLA)

1.4l/s/m2

10ACH Extract 8 ACH Supply

10ACH Extract 8 ACH Supply

25W/m2

15W/m2

75W/Person sensible 55W/Person latent

Generally, lighting in the office space will be provided by a combination of recessed modular luminaires and linear continuous LED strip luminaires

1 lux minimum on escape routes, 0.5 lux minimum in open plan

15W/m2

General: 15W/m2 general office areas with 10 W/m2 tenants supplementary on all office floors, giving a total of 25 W/m2

12% additional spare capacity on transformers

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Category: BS 5839 Type L2

The basement and lower ground are sprinklered (mains fed)

General open plan offices: NR35
NR38 Floors 1, 2, 7
Reception NR40
Toilet, Stairs NR40

Tenant space under review

Satellite provision on roof to be agreed

Offices will be air conditioned via VAV units

To serve central plant only

Lighting as noted above

BS 5839 Type L2

BS 5839 Type L2

160 Bicycle Spaces

16 Showers 160 Lockers

24 vacant car parking space

Very good (subject to assessment)