IPiN SYSTEM DESCRIPTION. The system shall support these standard features; Full Nurse Call Facilities using IP Compliance with Health Technical Memorandum HTM08-03 and NHS Model Engineering Specification C49. Using standard Ethernet structured cabling and terminations Single Ethernet cable to deliver power and data Selection of Staff Displays Distribution using IP multicast of Digital and Hospital Radio SIP/VoIP Voice over IP Data Logging and Administration Utilise Secure Broadband Services for remote management Full Transfer facilities Custom Call creation and call escalation HTM standard lamp/sounder actions plus customisable IPiN Applications Wireless Panic and customise badge/pendant calls Use of industry standard IP rules for LAN/WAN 24V DC Power Supply with Battery backup Connectivity to 3 rd party devices Connectivity to Blood Fridges and Controlled Drugs Cupboards The system shall support additional features. These features may require additional software development or clear specifications and details of the 3 rd party device. Software Interface to Building Management Systems Software Interface to 3 rd Party systems such as DECT, Paging, and IP Telephony Software interface and hardware for TV Remote control via IPiN Handset Page 1 of 15
Expanded Details The IPiN Nurse Call system and sound distribution system shall comply with Health Technical Memorandum HTM08-03 and NHS Model Engineering Specification C49. The system shall be the Wandsworth IPIN nurse call and communication system. The system will use 24v DC power and include battery backup in case of mains power failure. The system shall use a series of IPiN applications to configure, administer and provide 3 rd party interfacing. Data Logging and site wide monitoring shall also be included. The system architecture shall be via a certified IT structured cabling network routed via Zone Units. Each Zone unit will feed an Ethernet connection through to every bedhead unit providing up to 10Mbps of data at every bedhead unit and shall have 13 Ethernet available ports. Zone Units are typically linked into a group or cluster within a ward or department; clusters shall be capable of linking to each using Ethernet cabling or on large sites using industry standard Ethernet switches. The Zone Unit shall provide 24v power and data connectivity over a single Ethernet cable to each bed location. It will also provide 24v power and data to additional Remote IO modules and Staff Display panels. The Zone Unit shall be capable of multicast streaming of Digital Radio broadcasts and Hospital Radio and as such shall be a minimum of Layer 2 specification with IGMP v2 and IGMP snooping within the firmware of the unit. The Zone Unit shall have auto configuration/reconfiguration capability to enable one Zone Unit to be replaced with another without having to re-programme any devices that are attached. The system shall use a Bed Head Unit at each bed location. Each Bed Head Unit will have unique address and a series of switches, lamps and handset can be added. Each Bed Head Unit shall support up to 8 devices. The system shall use Remote IO boards to add further lamps, switches, and sounders to areas where no Bed Head Units are used. The Remote IO boards will support either 8 or 16 ports and have a unique address. The system shall use the IPiN Admin Toolkit to automatically scan for updating/modifying/configuring Bed Head Units and Remote IO s. The system shall provide support for interfacing to Paging/DECT system and 3 rd party devices. Page 2 of 15
The system shall support a selection of Staff Displays for visual and audible alerting. It will also support the use of LED Display panels. The system shall support SIP telephony from Staff Displays to Patient Handsets, Staff Display to Staff Display and subject to specification with 3 rd party IP telephony services. The nurse call system shall be capable of sharing an IP network with other types of systems from other manufacturers, subject to approval from all systems manufacturers regarding compatibility and software may have to be developed to complete the integration. The system shall be capable of transferring all calls or any specific call from one area with the IPiN system to another activated automatically/manually or scheduled. Call Transfer shall transfer a specific call or multiple calls either globally or to a specific location. Ward Transfer shall transfer all calls from one location to another. The system shall also be capable of transferring part of a ward; down to single bed level to another ward (Flex Transfer), where a group of beds are shared between two adjacent wards and where staff can assign beds to their ward using the Staff Display. The transfer facilities described above shall be pre-programmed by the specialist supplier at the time of commissioning. The system shall have the facility to log call activity to an Admin PC which will record the time, date and location of each call on the system and staff responses to each call. It shall be possible to print a hard copy and also export to Excel or PDF. The system shall be capable of remote access for fault diagnosis, interrogation of the system and where possible, fault rectification. Remote access shall be provided via an ADSL connection into the main site and via a dedicated router and server with firewall and password protection to enable access from any remote PC (subject to the availability of the correct software). The system shall be capable of easy maintenance and fault diagnostics, identifying a faulty component instantly and alerting maintenance personnel. The system shall be capable of including customised calls and audio outputs to suit sites requirements. The system shall be able to provide call escalation for any call. If a call is unanswered/cancelled within a user defined period it can be transferred or distributed to alternative staff members. Page 3 of 15
The system shall support wireless call system for Panic, Staff Presence and customised calls, using a selection of RF (Radio Frequency), LF (Low Frequency) and IR (Infrared) receivers. Staff can be issued badges and Patients pendants equipped with input buttons to trigger customised alerts/calls. FUTUREPROOF. The modular design of the IPiN system shall permit additional options to be added at any time. Voice over IP (VoIP). The IPiN network will support the deployment of SIP (Session Initiation Protocol) IPiN Handsets at every bed-head position to communicate with IPiN Staff Displays and (subject to technical specification) 3 rd party SIP telephony services. Patient Entertainment. The IPiN network should be capable of delivering Digital Radio and Hospital Radio using IP multicast and the appropriate IPiN Handset. Bed Management. The IPiN network should capable of integratation with the hospital data network and PACS system to provide real-time information regarding bed occupancy and patient movement and audit trails throughout their stay in hospital. (additional hardware and software development may be required) Personal Security & DECT telephony Integration. The IPiN nurse call system should be capable of integration with IP DECT telephony and paging/personal security utilising the IPiN network and providing nursing staff with one easy to carry and easy to use handset for all functions keeping them in touch with their patients whilst they are on the move!.(software development may be required) Additional security is provided with wireless RF, IR, and LF detection systems. Staff location Presence ; Staff Panic; and customisable call features. Page 4 of 15
MINIMUM FEATURES REQUIRED FROM THE SYSTEM. IP67 rated handset. A fully waterproof patient handset, with a fully removable and replaceable handset cable for ease of, and low cost of maintenance. A unique plug and socket arrangement at the bedhead panel to ensure quick release when excessive strain is applied at almost any angle without causing damage to the plug or socket assemblies. Handset cable shall be maximum 4 core for flexibility, minimum weight & reliability. Modular, clip-in accessories. With a common cut-out footprint across the whole range of components making them totally interchangeable to allow last minute changes or future additions to be achieved quickly and cost-effectively. All clip-in accessories shall have a unique design to allow them to be fitted to a range of plate thickness, making them interchangeable between plate mounting and trunking mounting units and differing manufacturers containment systems if required. Curved, low profile design. All panel/plate-mounted nurse call accessories must be designed to be low profile, sealed and infection control friendly, ensuring that dust and dirt traps are kept to an absolute minimum. Emergency Pull and Cardiac Pull with built-in reassurance. All emergency and cardiac pulls have shall have built-in high brightness LED reassurance, negating the need for separate reassurance, or reliance upon a reset push to provide reassurance. Function legends included on switch surround. All nurse call accessories shall have their function ( Emergency, Reset, Call, Cardiac, Presence etc.) printed onto the switch surround, not on the switch itself, to eliminate plate engraving to a minimum and enable interchange ability and flexibility and to prevent wearing off of function legends if applied directly to the switch units. Highly visible indicators. Overdoor lamps shall contain 6 high brightness LED s for long life, arranged in 2 series of 3 LED s for built-in redundancy and long distance visibility. Page 5 of 15
Colour touch screen nurse stations. A common nurse indicator shall be provided throughout the facility and shall be used at staff locations as indicated on the drawings and other staff area s making them fully interchangeable units all to the same specification: An 8.4 high resolution (800x600 pixels) touch screen providing 262000 colours designed to offer a decentralised staff display and information centre providing simple to follow colour coded instructions and highly visible graphics for call origination, call type, call priority etc. All accessory cover plate finishes shall be powder coated grey white (RAL9002) subject to approval. SYSTEM WIRING All data wiring on the system shall be Cat 5e or CAT 6. Additional wiring for power to the bedhead / nurse call units shall not be necessary. +24V d.c. wiring is to be 1 pair x 1.5mm² flexible & is required between: a) PSU & Zone units. b) PSU & Nurse Station Indicator Panels Some display panels use 24v that can be provided from the Zone Units over the Ethernet cable All wiring shall be in accordance with manufacturers schematic wiring diagrams. IPiN CALL TYPES. The system shall have six distinct levels of call: - Patient-to-Nurse Call/Handset Removed sounder 1 second on, 9 seconds off, indicators continuous. Bathroom Call sounder 1 second on, 3 seconds off, indicators continuous. Emergency Call sounder two-tone, 0.5 second each tone, indicators flashing 0.5 seconds on, 0.5 seconds off. Cardiac Call sounder two-tone (higher pitch than Emergency), 0.25 second each tone, indicators flashing 0.25 seconds on, 0.25 seconds off. Customised Audio Alerts available for Escalated Calls, Drugs Cupboards, Door Open and others Page 6 of 15
Priority of calls shall be as follows: - 1. Cardiac Call. 2. Emergency Call. 3. Bathroom Call. 4. Patient-to-nurse/Handset Removed 5. Faults 6. Staff Presence Customised calls will be given an appropriate priority. When calls of a higher priority are on the system, other calls of a lower priority are stored in the system until they are reset. The touch screen display will always show calls of the highest priority in time. The call priority shall be highly visible from distance utilising colour coding for the differing levels of priority. Using the touchscreen on the Staff Display will permit a view of a lower priority call Colour coding for the call level priority is as follows: Cardiac Call: Emergency Call: Bathroom Call: Patient Call: Staff Presence: Staff Attack: Fault: Blue Red Aqua Amber Green Red Purple OPERATION OF THE IPiN SYSTEM. The system of operation shall be as follows: - a) Operation of the Patient-to-Nurse call system from a bedhead unit or remote call unit. The patient will make a call by depressing the nurse or amber call button on the handset, or on the call/reset unit. This will illuminate the following indicators until reset. i. A reassurance indicator on the handset. This informs the patient that the call has been registered. ii. The reset indicator on the bedhead unit or call/reset unit associated with that call. iii. The overdoor indicator outside the room from which the call has been made. iv. The overdoor indicator outside the corridor from where the call was made. Page 7 of 15
The nurse station unit will show the location of the call, with audible annunciation from a sounder. b) Operation of the Patient-to-Nurse call system from WC s and bathrooms. The patient will make a call by, either pulling the ceiling pull cord, or pressing the nurse call button. This will illuminate the following lights until reset. i ii Iii iv The reassurance indicator on the ceiling pull. The reset indicator on the bedhead unit or on the call/reset unit associated with that call. The overdoor indicator outside the bedroom or room from which the call has been made. The overdoor indicator outside the corridor from where the call was made. The nurse station unit will show the location of the call, with audible annunciation from a sounder. c) Operation of the Emergency Call (staff-to-staff). Throughout ward area s and other patient area s there are emergency call switches. Mounted either on bedhead units or as stand-alone units, the switch is a red pull-push switch printed EMERGENCY PULL. These switches are to have red integral reassurance to show the pull/push switch is used to reset the call not the reset push. To summon assistance, staff must pull the switch, which will illuminate the switches integral reassurance indicator and the same indicators as for the patient-to-nurse calls. These indicators will flash to signal that they are a higher priority. When this emergency switch is used it will be a priority call and consequently any other patient-to-nurse call, or bathroom call that has been made will be automatically stored. The stored calls will be reinstated when all assistance calls have been cancelled by pushing the switch to its off position. The nurse station unit will show the location of the call, with audible annunciation from a sounder. d) Operation of the Cardiac Call (staff-to-staff). Where required, blue pull-push switches shall be provided and their function ( CARDIAC PULL ) shall be printed onto the switch surround for identification purposes. These switches are to have blue integral reassurance to show the pull/push switch is used to reset the call not the reset push. To alert staff, the switch must be pulled which will illuminate the switches reassurance indicator, the appropriate room indicator and the corridor overdoor indicator also. Specific cardiac call indicators may also be provided. These indicators will flash to signal the higher priority of the call. When the switch is used it has the highest priority and consequently any other patient-to-nurse, Page 8 of 15
bathroom call and emergency calls will be automatically stored. Any stored call will be reinstated when all cardiac calls have been cancelled by pushing the switch to its off position. The nurse station unit will show the location of the call, with audible annunciation from a sounder. e) Operation of Staff Presence (where applicable). The nurse will activate the illuminated switch upon entering a room. The green pushes indicator will illuminate to indicate that presence is activated and the associated white overdoor indicator will illuminate outside the room. The display at the nurse station unit will indicate staff member s location. NURSE CALL EQUIPMENT. General Requirements. i. All units unless stated otherwise shall be flush mounting with overlapping powder coated white finish (RAL9010). ii. All data connections shall be via IDC connectors fitted within the unit, or within the back box. iii. All ancillary component connections shall be via IDC connectors. iv. All back boxes to be flush fitted steel galvanised or painted black. v. To accommodate any future changes. Front plates shall not be engraved. However, individual components shall be printed onto the switch surround to indicate their function. vi. All panel-mounted components are to be interchangeable with a snap fit into a common aperture. IP 503 Bedhead Units. At each bed position a bedhead unit shall be installed, having a split front plate overall size 324mm x 174mm to incorporate the following: - 240-volt section (left hand panel): 1 No. Twin 13 amp switched socket outlet. 1 No. 20 amp two way and off switch for Dim/Off/Bright bedlight operation. 1 No. 2.2uF capacitor for dimming a 60watt tungsten filament bedhead light. 1 No. Latching relay to control the bedlight from the patient handset. 1 No. Fused connection unit for bedlight supply fitted with a 3-amp fuse. Extra low voltage section (right hand panel): 1 No. Red emergency pull-push switch with red integral reassurance indicator. 1 No. Reset push with amber integral reassurance indicator. 1 No. Socket for handset. 1 No. Handset parking bracket. Page 9 of 15
The following components will connect directly to the electronics PCB. i. Emergency pull-push switch with reassurance. ii. Cardiac call switch with reassurance. iii. Reset push with reassurance. iv. Remote patient/bathroom call point with reassurance. v. Staff presence switch/indicator. IP586 Zone Units. A 15 port, 10/100 layer 2 Ethernet switch unit capable of servicing up to 13 Ethernet devices and 16 I/O devices, expandable to 32 I/O. The zone unit shall be capable of multicast streaming, including video and IPTV and as such shall be a minimum of Layer 2 specification with IGMP v2 and IGMP snooping within the firmware of the unit. The zone unit shall also be capable of supporting wireless Ethernet. IP 510 Patient Handset. Patient handset comprising a grey white slim lightweight ABS moulded case size 160mm x 44mm x 16.5mm. Continuously monitored patient to nurse call. The case shall have a wipe clean membrane switch panel and shall be constructed to allow disassembly by hospital engineering staff for ease of maintenance. The patient handset shall incorporate the following: - i. A large oval amber pushbutton for nurse call with nurse symbol permanently backlit for location in the dark. ii. An amber reassurance LED activated on patient call. iii. Yellow bedlight control pushbuttons. iv. Two metres of flexible, lightweight PVC cable fitted with plug and linen clip IP512 Patient Call Unit with Bedlight Control. Patient handset comprising a grey white slim lightweight ABS moulded case size 160mm x 44mm x 16.5mm. Continuously monitored patient to nurse call. The case shall have a wipe clean membrane switch panel and shall be constructed to allow disassembly by hospital engineering staff for ease of maintenance. The patient handset shall incorporate the following: - i. A large oval amber pushbutton for nurse call with nurse symbol permanently backlit for location in the dark. ii. An amber reassurance LED activated on patient call. iii. Two yellow pushbuttons for bedlight controls. iv. Two metres of flexible, lightweight PVC cable fitted with data plug and linen clip. Page 10 of 15
Handset removal / fault. The withdrawal or failure of the patient handset from the bedhead unit shall operate the fail-safe monitoring device as previously described. Provision to reset the resulting patient call shall be provided at the nurse station unit. A message shall remain on the nurse station unit until the fault is rectified. QD107 Stethophone Headset. Shall be of the flexible plastic washable fork type with foam ear tips; replaceable after use, and complete with 1500mm of flexible acoustic tubing to fit the stethophone driver socket on the bedhead unit. IP566 Nurse Station Unit (NSU). A Nurse Station Unit (NSU) shall be installed in all staff areas as detailed on the drawings. Typical domains will include, Staff bases. The NSU will report all details of calls on the system in its associated area. The NSU shall incorporate the following: - i. A full colour 8.4 high resolution touchscreen display (minimum 800x600 pixels). ii. Calls will be grouped by priority and colour coded for instant identification and ease of identification from distance. iii. Menus shall provide access to the transfer functions iv. Transfer indication shows NSU has transferred its calls to another NSU or is receiving calls from another NSU. v. Intruder indication shows when an intruder switch is actuated in this ward area. Should also be capable of giving indication of an intruder switch activation from an adjacent ward. vi. Drug cupboard indicator shows if a drug cupboard door is opened. vii. Tabs used to select the priority of calls listed. The display shall revert back to the highest priority call after 5 seconds. viii. Mute sounders key and indicator press key to mute sounders on the ward area. ix. Transfer menu key and indicator press key to initiate the transfer procedure and follow the on-screen prompts. This procedure will take the operator through full transfer and flexible transfer routines. x. Sounder mounted within the nurse station unit and provides annunciation of all calls at the NSU. The NSU shall also provide fault messages on the display in the event of the following: - a) Handset fault. b) Bedhead failed. Page 11 of 15
IP547 Overdoor Indicator Unit with IP551 Indicator lens. Overdoor Indicator lamps shall be installed in all areas as detailed on the drawings. Typical domains will include, Corridors, out side curtained bed zones, and any room/area containing call points. Each lamp shall provide visual annunciation for patient calls, staff calls, & hand set removal from patient stations. Patient calls activate the lamp in a steady mode. Emergency calls shall activate the lamp in Flashing mode. Each unit will be comprised of a front plate not exceeding 86mm x 86mm containing high brightness LEDs. Together with the necessary printed circuit board having IDC connections. The lamp will have two separately monitored circuits, each containing three LEDs. Indicator lens will generally be Amber, but it must be possible to achieve a two colour combination, on the same lamp, if requested. refer to drawings and associated room data sheets. IP548 Twin Overdoor Indicator Unit With 2x IP551 Indicator Lenses. Overdoor Indicator lamps shall be installed in all areas as detailed on the drawings. Typical domains will include, rooms requiring nurse presence indication. Each lamp will provide visual annunciation for patient calls, staff calls, & hand set removal from patient stations. Patient calls shall activate the lamp in a steady mode. Emergency calls shall activate the lamp in flashing mode. Each unit will be comprised of a grey white front plate not exceeding 146mm x 86mm containing high brightness LEDs. Together with the necessary printed circuit board having IDC connections. The lamp will have two separately monitored circuits, each containing three LEDs. Indicator lens will generally be Amber, but it must be possible to achieve a two colour combination, on the same lamp, if requested. refer to drawings and associated room data sheets. IP322 Ceiling Pull Cord. Ceiling Pull cords shall be installed in all areas as detailed on the drawings. Typical domains will include bathroom and toilet facilities. Each unit will be comprised of a white front plate not exceeding 86mm x 86mm containing 2m of amber cord and amber acorn, amber high brightness LED s (arranged in two sets of 3 LED s for built-in redundancy and extra illumination), together with the necessary printed circuit board having IDC connections. IP520 Reset Unit. Reset Units shall be installed in all areas as detailed on the drawings. Typical domains will include rooms where separate call reset facility is required. Each unit will be comprised of a front plate not exceeding 86mm x 86mm containing one reset push with the switch surround printed, RESET with amber integral reassurance indicator. Page 12 of 15
IP522 Call/Reset Unit. Call/Reset Units shall be installed in all areas as detailed on the drawings. Typical domains will include public areas. Each unit will be comprised of a front plate not exceeding 86mm x 146mm containing one reset push with amber integral reassurance indicator and one oval amber call push embossed with nurse symbol. Switch components shall have their surrounds printed with RESET, CALL to indicate their function. IP523 Call/Reset/Emergency Unit. Call/Reset/Emergency Units shall be installed in all areas as detailed on the drawings. Typical domains will include public areas & consulting rooms where a patient handset is not required. Each unit will be comprised of a front plate not exceeding 174mm x 174mm containing one oval amber call push with nurse symbol and integral amber reassurance, one reset push with amber integral reassurance indicator and one pull/push switch. Switch components shall have their surrounds printed with CALL, RESET, EMERGENCY PULL to indicate their function. IP525 Data Socket/Reset/Emergency Unit. Data Socket/Reset/Emergency Units shall be installed in all areas as detailed on the drawings. Typical domains will include examination rooms where a patient handset maybe required. Each unit will be comprised of a front plate not exceeding 174mm x 174mm containing one reset push with integral reassurance and one pull/push switch with integral reassurance and one handset socket. Switch components shall have their surrounds printed with CALL, RESET, EMERGENCY PULL to indicate their function. IP521 Reset/Emergency Unit. Reset/Emergency Units shall be installed in all areas as detailed on the drawings. Typical domains will include bathroom & toilet areas where an emergency staff call is required along side the rooms reset unit. Each unit will be comprised of a front plate not exceeding 86mm x 146mm containing one reset push with amber integral reassurance indicator and one oval amber call push with nurse symbol. Switch components shall have their surrounds printed with RESET, EMERGENCY PULL to indicate their function. IP526 Emergency/Reassurance Unit Emergency/Reassurance Unit shall be installed in all areas as detailed on the drawings. Typical domains will include reception counters, physiotherapy departments & sports areas. Each unit will be comprised of a front plate not exceeding 86mm x 86mm containing one - red emergency pull-push switch with red integral reassurance indicator. Switch components shall have their surrounds Page 13 of 15
printed with EMERGENCY PULL to indicate their function. IP530 Call Switch/Reassurance Unit. Call Switch/reassurance Units shall be installed in all areas as detailed on the drawings. Typical domains will include waiting rooms & public areas. Each unit will be comprised of a white (RAL9010) front plate not exceeding 86mm x 86mm containing one oval amber call push with nurse symbol and amber integral reassurance indicator. Switch components shall have their surrounds printed with CALL to indicate their function. IP527 Cardiac Switch/Reassurance Unit. Cardiac Switch/Reassurance Unit shall be installed in all areas as detailed on the drawings. Typical domains will include ward areas & other zones where staff may need to initiate direct cardiac calls. Each unit will be comprised of a white (RAL9010) front plate not exceeding 86mm x 86mm containing - one blue cardiac pull/push switch with blue integral reassurance indicator. Switch components shall have their surrounds printed with CARDIAC PULL to indicate their function. IP540 Staff Presence Switch Unit. Staff Presence Switch Unit shall be installed in all areas as detailed on the drawings. Typical domains will include wards & private rooms where staff presence is required. Each unit will be comprised of a white (RAL9010) front plate not exceeding 86mm x 86mm containing - one white push switch with white integral reassurance indicator. Switch components shall have their surrounds printed with PRESENCE to indicate their function. IP549 Overdoor Indicator/Sounder Unit. Overdoor Indicator/Sounder Unit shall be installed in all areas as detailed on the drawings. Typical domains will include, corridors, sluice rooms & rooms containing drug cupboards. Each indicator shall provide visual and audio annunciation for any call detailed in the programming of this system. Patient calls activate the lamp in a steady mode. Emergency calls shall activate the lamp in flashing mode. Sounders will follow the same pattern (listed on page 7). Each unit will be comprised of a front plate not exceeding 86mm x 146mm containing high brightness LEDs together with the necessary printed circuit board having IDC connections and one 64 ohm loudspeaker with an output of 70dB at 1 metre. Indicator lens will generally be Amber, but it must be possible to achieve a two colour combination, on the same lamp, if requested. refer to drawings and associated room data sheets. Page 14 of 15
IP554 Remote Sounder Unit. Remote Sounder Unit shall be installed in all areas as detailed on the drawings. Typical domains will include, corridors, sluice rooms and staff areas. Each unit shall provide an audio annunciation for any call detailed in the programming of this system (listed on page 7). Each unit will comprise of a front plate not exceeding 86mm x 86mm containing - one 64ohm loudspeaker with an output of 70dB at 1 metre. IP570 Power Unit. Comprising power supply circuit and UPS TEST AND COMMISSION The complete nurse call system as described shall be supplied, fixed, wired and connected by the contractor. The complete system shall be tested and fully commissioned by the specialist manufacturer. Commissioning shall be deemed to include demonstration to the engineer and/or clerk of works (electrical). The contractor shall be responsible for the correction of any wiring faults discovered prior to connecting. The Wandsworth Group Ltd Albert Drive, Sheerwater, Woking, Surrey, UK GU21 5SE T: +44 (0)1483 713400 F: +44 (0) 1483 740384 Page 15 of 15 info@wandsworthgroup.com