Hallfield Estate Major Works: Brecon, Bridgewater, Caernarvon, Clovelly and Exeter Houses (project X116)

Condition Survey

Pre-existing information regarding the condition of the buildings and associated ancillary areas has been provided. Pre-commencement condition surveys within all areas likely to be affected by the works which shall contain written and photographic evidence of the existing conditons and identify any areas of concern that may result in additional works being necessary, together with proposed remedial recommendations, within the scope of the works.The condition survey is to be agreed with Westminster Council/Client Representative and upon conclusion of the works to ensure the condition of any areas affected by the works are handed over to Westminster Council in no worse condition than that at pre-commencement stage.

Fire Strategy

An accredited fire risk assessor to produce a retrospective fire strategy for all blocks. The document should include but not limited to - Means of warning - Means of escape - Internal fire spread/passive fire protection - External fire spread - Fire safety management of the building.

Block Signage

Renew all external block signage and internal block and floor level signage.

Access Required

Work at height will be required to complete window renewal works, balcony works and external cladding/brickwork repairs/cleaning. Access scaffolding is to be erected to all blocks as required in order to complete all required elements of work. Design to be as per Service Provider's Proposal and should meet all statutory health and safety requirements. Block lifts are not to be used for materials and personnel and Service Provider is to propose alternative method of transportation of materials as require throughout the building. Ensure that all work at height activities are risk assessed and that the proposed method of access to facilitate the works is detailed and fully costed. Should there be any reason that specific access arrangements cannot be fully evaluated and costed for then the Service Provider should identify these together with a defined Provisional allowance for each specific item/area. Access will also be required into the residents’ properties to undertake a number of the works elements described.

Environmental Works

Each tenanted property is to have a Vent-Axia lo-Carbon Response fan installed in to both the kitchen and the bathroom and a Vent-Axia PIV in the hallway in accordance with the specification. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

Roof Replacement

Strip back to deck and renew roof covering in line with and in accordance with the Roof Report Survey and performance specification. An insurance backed guarantee for at least 20-year duration is to be provided for the installation of the roof system. Provide a sign at roof level stating installation date, contractor name, length of guarantee, guarantee end date, and contact details for Westminster City Council if any future works are proposed to be carried out to the roof. Renewal works are to include all associated works to roof falls, alteration and creation of compliant upstands, roofing details and junctions, termination bars, flashings, outlets, grilles, and associated decoration. Include all main and secondary roofs and ancillary parapet walls and details. Using an approved contractor provide all associated works including all leadwork, new chases into brickwork, rendered and concrete upstands, counter-flashing, welted drip to external gutters, drip battens, promenade tile removal, parapet wall fixings, waterproofing works, new insulation, edge protection, temporary lifting and reinstatement of cables and services, etc. All cables and services are to be maintained throughout the project. Cables are to be fixed in cable runs and reinstated on completion of works.

Bauder Roof System - Funding

There is possible funding under ECO4 Innovation for the properties on the top floor in each block. Contractor to Liaise with Bauder for more information on property list.

Edge Protection

Existing parapet wall does not adhere to Part K Building Regulations. Service Provider to install fixed edge protection to eliminate requirement for scaffold handrail system

Lightning Protection

Ensure existing lightning protection is operational throughout the course of the works. Ensure the roof termination network, bonding and down conductors are complete at all times during the works. If any lighting protection systems are required to be lifted or rerouted as part of the installation of the new roof systems, all lightning protection system works to comply with BS EN 62305

External Repairs

Concrete frame, floor slabs and cladding panels: Extensive concrete repairs as required throughout all blocks. Carry out carbonation, hammer & cover meter testing and carry out remedial repairs. Tiled cladding to flank elevations and wrap-around sections - Isolated repairs/replacement of cladding tiles where necessary. - Note: Pre-application advice for W104 (Phase 2) concluded that wholesale replacement of tiling will NOT be supported, and original tiling must be retained in situ where possible. - Replacement tiles and mortar to be consistent with those agreed for W104. Brickwork: DOFF brickwork cleaning and localised pointing repairs as required. Make good to redundant service penetrations. Provide a plan for potential phasing of external repair works and align against working at height requirements and proposal. Clean all external façade finishes including any grilles.

Metalwork Repairs

Decoration of all previously painted metalwork to blocks, including balustrades to communal walkways and stairwells and private balconies. To include full preparation (strip where necessary) and repairs and replacement of missing or defective elements

Insulation works

Install an approved 120mm insulation and an approved render system to exposed soffits to undercroft / first floor flats.

External Decoration

Redecorations to all previously decorated external surfaces. Including rendered fascia’s/soffits, rendered panels, balcony walls and soffits.

Internal repairs and decoration (semi-enclosed stairwells and walkways)

Repairs to internal fabric finishes ensuring they are sound, consistent and ready to receive redecoration. Redecoration of all previously decorated internal surfaces. External masonry paint required for walls, ceilings, strings and soffits including necessary preparations, in accordance with Approved Document B requirements. Class 0 performance to walls, ceilings and soffits including necessary preparations to all internal enclosed / semi-enclosed areas.

Communal Flooring

Repairs to existing non–covered flooring (including replacement of any components beyond repair) to ensure surfaces are safe, cleanable, maintainable, and free of defects. Replacement of existing floor coverings including associated components to ensure flooring is safe, cleanable, and maintainable.

Glazing, windows & balcony doors

Full window and balcony door replacement – Renew in bespoke double glazed Smart Alitherm Heritage double glazed units or similar designed to open inwards (subject to Planning Approval – SP to submit application). Make good to all window reveals and adjacent surfaces. Where outward opening windows are installed adjacent to pedestrian access e.g. balcony walkways, Service Provider to adhere to Part K of building regulations and ensure all windows have restricted opening to 100mm. Where windows are not required for escape purposes and can be accessed for cleaning from ground floor or walkway, permanent 100mm restriction is required. Extent of work and window/door designs to be agreed pre-commencement. Following rectification measures to new windows in previous phases, these measures will be included in the design of all new windows under X116: - Remove existing metal sub-frames. - Install new cavity drip tray detail above windows. - Install sloped mesh detail similar to trickle vent at heads of window externally. - Install new cavity closers around sides and bottoms of windows. - Install new backstop detail / EPDM to widow reveals internally to help prevent damp penetrating.

Doors to bin stores / electrical intake cupboards / roof tank rooms / roof access / risers

Renewal of timber doors with security rated steel and timber replacements to meet current requirements and fire safety standards. Designs to be agreed pre-commencement. In line with the Fire Risk Assessment to install the appropriate door i.e. FD30 door and door set and or FD60 door and door set to include all associated making good and use non-combustible material. Doors to be fitted with WCC ASSA locking systems.

Refuse hoppers and discharge/cut off plate

Refuse Hoppers: Existing refuse hoppers do not meet with current British Standard Regulations. The hopper doors in situ are not considered to be fire rated and had no smoke seals. It is recommended to replace said hoppers with new independently fire certified and smoke sealed units. Works required: Remove existing hopper doors and replace with new independently fire tested and certified refuse hoppers, grey hammer powder coated finish, bottom hinged, vandal proof security fixings, self-sealing, self-closing and smoke sealed to BS476 section 31.1 and BS5588 with a 1.5 hour rating to BS476 part 22, section 6. Discharge sections: The discharge sections within the bin storeroom at the base of the chutes currently have a manual cut off plate only. In the event of a fire there is currently no facility to contain fire/smoke from travelling up the chutes. Works required: Remove existing cut off plates and replace with a 2 hour fire tested and independently fire tested and certified automatic fire shutter doors/cut off plate to BS476: Part 22: Section 6: 1987, set with high tensile loading spring and 70 degree fire tested fusible link.

Above and below Ground Drainage

Carry out CCTV survey of gutters and internal rainwater pipes. Test and undertake repairs and full cleaning of rainwater goods including replacements of elements which are beyond repair. Test upon completion to ensure all rainwater goods systems are free of leaks and are discharging correctly. Renew undersized drainage gullies to communal walkways and private balconies. CCTV drainage survey required with which an agreement will be made between contractor and WCC establishing the extent of associated works required. The Contractor is to provide suggest proposals that would allow access to all main drain runs on the site to ascertain locations and condition. The contractor is to review the proposal to install/allow for rodding eyes at the down service connections between the rainwater pipes and the fall to the drain

Electrical Lighting

Survey / review existing lighting systems and upgrade to new system to comply with current regulatory requirements and CIBSE recommended levels (minimum illumination of 200lux in all plant room spaces required). The Lighting installation is to include emergency lighting provisions in accordance with BS 5266 Emergency Lighting requirements. Light fittings to be IP65 rated, vandal resistant, LED and aesthetically pleasing with the estate. All wiring to be replaced including containment system. Lighting to be complete with new controls to ensure energy efficiency and reduce obtrusive lighting. All emergency lights should be of a type that uses generic parts readily available from a number of suppliers. All lights to be controlled by Sangamo Solar dial clock. All installed emergency lights should be tested from the date of install until end of DLP by the installing contractor. Lighting should be split into independent circuits to mitigate loss of illumination during faults. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken.

Electrical Power

Survey / review existing electrical power supply installations associated with The Works and where necessary replace existing / install new systems in compliance with current regulatory requirements. Small Power (240V) provision (minimum 1no double switched socket outlet) is to be provided in reasonably ‘close proximity’, and ideally ‘within’, all plant room spaces for future maintenance and essential repair operations. Socket outlets must be RCD protected. Provide a complete system of earthing and supplementary bonding installation to all items associated with The Works to meet the current edition of the IEE wiring regulations. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken. Replace existing containment systems for both power and lighting wiring. Provide supplementary earth bonding to external metallic containment.

Lateral Mains

Survey / review existing lateral mains installation across the blocks and to all dwellings and landlords’ supplies. The components shall be replaced in strict compliance with BS 7671 current edition and amendments and in accordance with IEE regulations and all relevant legislation. Provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 and/or later amendments and shall be suitably earthed. Note: ConLock must not be used. All new main cabling installed will be connected back to the incoming utility company’s earth bar. All labels and notices to be in conjunction with BS 7671 and BS EN 60073. Switchgear, sub main cables complete with BS 7671 current edition and amendments indication of danger notices. All final outgoing cables to be a minimum of 2.5mm² copper stranded, table 6491B, LSF sheathed with the CPC with the same CSA as the phase conductor. The circuits are to have the cables in the distribution board numbered using Critchly cable markers, white with black numbers to identify the circuit. Cables into the property are not to be routed through the door/window frame unless agreed with WCC.

Cables

Tidy and provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 or any later amendments and shall be suitably earthed

Builders Work in Connection with the M&E Installations

Carry out all builders work in connection with The Works including subsequent making good of all disturbed finishes to a standard acceptable by WCC. Provide recommendations for any builders-work style items felt necessary (such as any minor building-fabric style repairs or decorative items associated with The Works areas), submit for review and further instruction by WCC

Maintaining the Existing Building Services

Maintain the building services systems during the duration of the contract. Where services may not be functioning or operational for a period of time prior notice and resident notification shall take place The service provider is to maintain the systems fully (PPMs checks and remedials) under this schemes budget during DLP and not via the usual term contracts PPM inclusive regime. This should be the case for all Emergency Lights, fire alarms and landlords’ supplies. All newly installed or worked on services under a scheme should be tested and maintained through the scheme and DLP.

Fire Safety Works

Carry out all relevant works identified and set out in the Schedule of Work within Appendix 3. Due to length of time before commencement of works, service provider to review all live fire risk assessment information on the Westminster City Council portal, Shine, to get a clear understanding on required works. Report findings with respect to recommendations to WCC for any additional work that may be deemed appropriate with regard to fire protection matters for consideration and further direction/instruction. Ensure the works are fully compliant with all current regulatory requirements. All passive fire protection and door installation works must be undertaken by a Competent Person. The term competent person shall mean a person or business who has demonstrated to a Third Party that they have the expertise, skills and commitment in the identification and installation of passive fire protection and fire door installation. The term Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All fire safety materials, door sets and doors shall be Third Party certificated fire stopping products where Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All products used shall be delivered with the relevant certification for inspection. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘Condition Survey’ element of works. Upon completion of the works Regulation 38 shall be complied with and this is a requirement under the Building Regulations for England and Wales to provide fire safety information to the 'responsible person' at the completion of a project, or where the building or extension is first occupied. Note – All fire safety works are to be undertaken by an accredited third party of an appropriate ‘industry recognised’ body. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘

Flat Entrance Doors (FEDs)

The service provider is to carry out fire door replacement works to all tenant flat entrance doors situated adjacent to the stairwells (on an opt-in basis for lessees). Supply PAS 23/24 Secured by Design External Timber Door sets to all tenanted properties (on an opt-in basis for lessees) The service provider is to instruct a competent person suitably qualified to do so including, but not limited to, BM TRADA Q-Mark Installer Certificate, Fire Door Inspection Scheme (FDIS) Certificate and IFC Certification Ltd (IFCC). The inspection and detailed report provided on the condition of the fire door, its integrity, any certification it has, comments on the installation, condition and compliance of the door itself and of any ironmongery fitted to it has been detailed for replacement to FD30S standard as specified and included in Appendix 8. All fire door set replacements are to be undertaken by an accredited third-party installation company of an appropriate ‘industry-recognised’ body in accordance with the manufacturer’s instruction, industry recognised best practice and BS 8214:2016. Gaps between the frame and aperture should be adequately filled with either non-combustible or intumescent materials suitable for the task. A full report should be provided on completion of the works, to include photos of the installation process to each property. Leaseholders will be given the option to replace their front entrance door at an additional cost. It is expected that doors and door sets will comply fully with the WCC Fire Door Performance Specification contained in Appendix 8. All fire door sets and doors shall have FSC chain of custody or PERF COC certification

Environmental Works

Each tenanted property (to be agreed with WCC), and any lessees that opt-in, are to have a Vent-axia lo-Carbon Response fan installed in to both the kitchen and the bathroom (usually located in glazing) and a Vent-Axia PIV in the hallway in accordance with the specification noted below. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

External Estate Works

Isolated repairs to external tarmac/asphalt/cobblestone walkways, paths and vehicle circulation areas associated with the three blocks. To estate owned surfaces only (not highways or WCC managed parking bays)

Asbestos Management

The PD/PC is required to inform the client regarding the need to instruct any further R&D surveys as the design develops and the areas where intrusive works will be required are confirmed. The R&D survey will be instructed by the client through the asbestos management system and provided to the PD/PC as part of the PCI, to allow the CPP to be developed. The Service Providers Project Execution Plan needs to identify any further works, with estimated costs, for completing removal or encapsulation of ACMs to enable The Works. The SP is to ensure that any subcontractor undertaking asbestos removal works as part of The Works, fulfils the client’s requirements outlined in the WCC process and procedure documents and are deemed competent to undertake the required works.

Other Potentially Hazardous Circumstances

The PD/PC is to inform the client if during the design stage, it becomes evident that there is the potential for other deleterious materials or hazards to be present and further inspection or testing is required. Other materials that may be present or that need considering include but are not limited to: · Lead Paint · Hazardous Area Classification (HAC) · Horse hair plaster · Clay pot floors · Calcium silicate brickwork · Reinforced Autoclaved Aerated Concrete (RAAC) planks · Tesserae · Vermiculite Other hazards that may be present: · Fragile roof materials · Unprotected flat roofs

Planned Preventative Maintenance (PPM) of M&E Systems

The Service Provider is to be responsible for the maintenance of all mechanical and electrical systems for the duration of the contract. The Service Provider is to make a budget allowance based on the annual M&E PPM items and associated prices. Any agreed PPM to be undertaken by the Service Provider must be removed from the Estate’s incumbent maintenance contractor’s PPM schedule until the element is commissioned / the contract is completed.

H&S File & O&M Manual

These buildings do not currently have a H&S file. Create/provide a new Health and Safety File and Operating & Maintenance manuals for the building and also for all systems associated with The Works. The file shall be in accordance with and as detailed within the Term Partnering Contract. This is to include but is not limited to; · A detailed future Planned Preventative Maintenance (PPM) programme/ regime associated with The Works; · As-built drawings, specifications, schematics, schedules etc. · Manufacturers details, guarantees and warranties (as applicable) · Details of risks and hazardous materials not eliminated through design · Site Investigation Reports · Statutory authority consents and approvals

PV Panels

Contractor to design and install The BauderSOLAR F photovoltaic (PV) solution equal and approved. The system should be an integrated system in which the solar PV module and the substructure are combined to form a single unit, which is secured to the roof without any penetration of the waterproofing or roof deck. This ensures that the integrity of the roof is upheld throughout the installation of the PV array. The system is designed to be used in conjunction with Bauder single ply or bituminous membranes and is extremely lightweight at 9-12.5 Kg/m², depending on module selected. The system shall not include battery storage and shall be designed and installed to export power when there is not sufficient loads on site. The contractor shall confirm during the design stage if further works are required by UKPN or EDF to allow the exporting of electricity and a G89/ G99 application. This installation will help reduce the communal energy usage and carbon emissions and also associated bills. The contractor should allow for the following as a minimum; · AC supply cabling and isolator. · DNO G99 Application. · G99 Relay Panel (if required). · Scaffold/edge protection. · Lift access equipment for materials. Budget/Funding Note: Costs have been allocated to this project and will be funded by the sustainability budget/team. NB the residents will not be charged for these works

Condition Survey

Pre-existing information regarding the condition of the buildings and associated ancillary areas has been provided. Pre-commencement condition surveys within all areas likely to be affected by the works which shall contain written and photographic evidence of the existing conditons and identify any areas of concern that may result in additional works being necessary, together with proposed remedial recommendations, within the scope of the works.The condition survey is to be agreed with Westminster Council/Client Representative and upon conclusion of the works to ensure the condition of any areas affected by the works are handed over to Westminster Council in no worse condition than that at pre-commencement stage.

Fire Strategy

An accredited fire risk assessor to produce a retrospective fire strategy for all blocks. The document should include but not limited to - Means of warning - Means of escape - Internal fire spread/passive fire protection - External fire spread - Fire safety management of the building.

Block Signage

Renew all external block signage and internal block and floor level signage.

Access Required

Work at height will be required to complete window renewal works, balcony works and external cladding/brickwork repairs/cleaning. Access scaffolding is to be erected to all blocks as required in order to complete all required elements of work. Design to be as per Service Provider's Proposal and should meet all statutory health and safety requirements. Block lifts are not to be used for materials and personnel and Service Provider is to propose alternative method of transportation of materials as require throughout the building. Ensure that all work at height activities are risk assessed and that the proposed method of access to facilitate the works is detailed and fully costed. Should there be any reason that specific access arrangements cannot be fully evaluated and costed for then the Service Provider should identify these together with a defined Provisional allowance for each specific item/area. Access will also be required into the residents’ properties to undertake a number of the works elements described.

Environmental Works

Each tenanted property is to have a Vent-Axia lo-Carbon Response fan installed in to both the kitchen and the bathroom and a Vent-Axia PIV in the hallway in accordance with the specification. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

Roof Replacement

Strip back to deck and renew roof covering in line with and in accordance with the Roof Report Survey and performance specification. An insurance backed guarantee for at least 20-year duration is to be provided for the installation of the roof system. Provide a sign at roof level stating installation date, contractor name, length of guarantee, guarantee end date, and contact details for Westminster City Council if any future works are proposed to be carried out to the roof. Renewal works are to include all associated works to roof falls, alteration and creation of compliant upstands, roofing details and junctions, termination bars, flashings, outlets, grilles, and associated decoration. Include all main and secondary roofs and ancillary parapet walls and details. Using an approved contractor provide all associated works including all leadwork, new chases into brickwork, rendered and concrete upstands, counter-flashing, welted drip to external gutters, drip battens, promenade tile removal, parapet wall fixings, waterproofing works, new insulation, edge protection, temporary lifting and reinstatement of cables and services, etc. All cables and services are to be maintained throughout the project. Cables are to be fixed in cable runs and reinstated on completion of works.

Bauder Roof System - Funding

There is possible funding under ECO4 Innovation for the properties on the top floor in each block. Contractor to Liaise with Bauder for more information on property list.

Edge Protection

Existing parapet wall does not adhere to Part K Building Regulations. Service Provider to install fixed edge protection to eliminate requirement for scaffold handrail system

Lightning Protection

Ensure existing lightning protection is operational throughout the course of the works. Ensure the roof termination network, bonding and down conductors are complete at all times during the works. If any lighting protection systems are required to be lifted or rerouted as part of the installation of the new roof systems, all lightning protection system works to comply with BS EN 62305

External Repairs

Concrete frame, floor slabs and cladding panels: Extensive concrete repairs as required throughout all blocks. Carry out carbonation, hammer & cover meter testing and carry out remedial repairs. Tiled cladding to flank elevations and wrap-around sections - Isolated repairs/replacement of cladding tiles where necessary. - Note: Pre-application advice for W104 (Phase 2) concluded that wholesale replacement of tiling will NOT be supported, and original tiling must be retained in situ where possible. - Replacement tiles and mortar to be consistent with those agreed for W104. Brickwork: DOFF brickwork cleaning and localised pointing repairs as required. Make good to redundant service penetrations. Provide a plan for potential phasing of external repair works and align against working at height requirements and proposal. Clean all external façade finishes including any grilles.

Metalwork Repairs

Decoration of all previously painted metalwork to blocks, including balustrades to communal walkways and stairwells and private balconies. To include full preparation (strip where necessary) and repairs and replacement of missing or defective elements

Insulation works

Install an approved 120mm insulation and an approved render system to exposed soffits to undercroft / first floor flats.

External Decoration

Redecorations to all previously decorated external surfaces. Including rendered fascia’s/soffits, rendered panels, balcony walls and soffits.

Internal repairs and decoration (semi-enclosed stairwells and walkways)

Repairs to internal fabric finishes ensuring they are sound, consistent and ready to receive redecoration. Redecoration of all previously decorated internal surfaces. External masonry paint required for walls, ceilings, strings and soffits including necessary preparations, in accordance with Approved Document B requirements. Class 0 performance to walls, ceilings and soffits including necessary preparations to all internal enclosed / semi-enclosed areas.

Communal Flooring

Repairs to existing non–covered flooring (including replacement of any components beyond repair) to ensure surfaces are safe, cleanable, maintainable, and free of defects. Replacement of existing floor coverings including associated components to ensure flooring is safe, cleanable, and maintainable.

Glazing, windows & balcony doors

Full window and balcony door replacement – Renew in bespoke double glazed Smart Alitherm Heritage double glazed units or similar designed to open inwards (subject to Planning Approval – SP to submit application). Make good to all window reveals and adjacent surfaces. Where outward opening windows are installed adjacent to pedestrian access e.g. balcony walkways, Service Provider to adhere to Part K of building regulations and ensure all windows have restricted opening to 100mm. Where windows are not required for escape purposes and can be accessed for cleaning from ground floor or walkway, permanent 100mm restriction is required. Extent of work and window/door designs to be agreed pre-commencement. Following rectification measures to new windows in previous phases, these measures will be included in the design of all new windows under X116: - Remove existing metal sub-frames. - Install new cavity drip tray detail above windows. - Install sloped mesh detail similar to trickle vent at heads of window externally. - Install new cavity closers around sides and bottoms of windows. - Install new backstop detail / EPDM to widow reveals internally to help prevent damp penetrating.

Doors to bin stores / electrical intake cupboards / roof tank rooms / roof access / risers

Renewal of timber doors with security rated steel and timber replacements to meet current requirements and fire safety standards. Designs to be agreed pre-commencement. In line with the Fire Risk Assessment to install the appropriate door i.e. FD30 door and door set and or FD60 door and door set to include all associated making good and use non-combustible material. Doors to be fitted with WCC ASSA locking systems.

Refuse hoppers and discharge/cut off plate

Refuse Hoppers: Existing refuse hoppers do not meet with current British Standard Regulations. The hopper doors in situ are not considered to be fire rated and had no smoke seals. It is recommended to replace said hoppers with new independently fire certified and smoke sealed units. Works required: Remove existing hopper doors and replace with new independently fire tested and certified refuse hoppers, grey hammer powder coated finish, bottom hinged, vandal proof security fixings, self-sealing, self-closing and smoke sealed to BS476 section 31.1 and BS5588 with a 1.5 hour rating to BS476 part 22, section 6. Discharge sections: The discharge sections within the bin storeroom at the base of the chutes currently have a manual cut off plate only. In the event of a fire there is currently no facility to contain fire/smoke from travelling up the chutes. Works required: Remove existing cut off plates and replace with a 2 hour fire tested and independently fire tested and certified automatic fire shutter doors/cut off plate to BS476: Part 22: Section 6: 1987, set with high tensile loading spring and 70 degree fire tested fusible link.

Above and below Ground Drainage

Carry out CCTV survey of gutters and internal rainwater pipes. Test and undertake repairs and full cleaning of rainwater goods including replacements of elements which are beyond repair. Test upon completion to ensure all rainwater goods systems are free of leaks and are discharging correctly. Renew undersized drainage gullies to communal walkways and private balconies. CCTV drainage survey required with which an agreement will be made between contractor and WCC establishing the extent of associated works required. The Contractor is to provide suggest proposals that would allow access to all main drain runs on the site to ascertain locations and condition. The contractor is to review the proposal to install/allow for rodding eyes at the down service connections between the rainwater pipes and the fall to the drain

Electrical Lighting

Survey / review existing lighting systems and upgrade to new system to comply with current regulatory requirements and CIBSE recommended levels (minimum illumination of 200lux in all plant room spaces required). The Lighting installation is to include emergency lighting provisions in accordance with BS 5266 Emergency Lighting requirements. Light fittings to be IP65 rated, vandal resistant, LED and aesthetically pleasing with the estate. All wiring to be replaced including containment system. Lighting to be complete with new controls to ensure energy efficiency and reduce obtrusive lighting. All emergency lights should be of a type that uses generic parts readily available from a number of suppliers. All lights to be controlled by Sangamo Solar dial clock. All installed emergency lights should be tested from the date of install until end of DLP by the installing contractor. Lighting should be split into independent circuits to mitigate loss of illumination during faults. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken.

Electrical Power

Survey / review existing electrical power supply installations associated with The Works and where necessary replace existing / install new systems in compliance with current regulatory requirements. Small Power (240V) provision (minimum 1no double switched socket outlet) is to be provided in reasonably ‘close proximity’, and ideally ‘within’, all plant room spaces for future maintenance and essential repair operations. Socket outlets must be RCD protected. Provide a complete system of earthing and supplementary bonding installation to all items associated with The Works to meet the current edition of the IEE wiring regulations. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken. Replace existing containment systems for both power and lighting wiring. Provide supplementary earth bonding to external metallic containment.

Lateral Mains

Survey / review existing lateral mains installation across the blocks and to all dwellings and landlords’ supplies. The components shall be replaced in strict compliance with BS 7671 current edition and amendments and in accordance with IEE regulations and all relevant legislation. Provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 and/or later amendments and shall be suitably earthed. Note: ConLock must not be used. All new main cabling installed will be connected back to the incoming utility company’s earth bar. All labels and notices to be in conjunction with BS 7671 and BS EN 60073. Switchgear, sub main cables complete with BS 7671 current edition and amendments indication of danger notices. All final outgoing cables to be a minimum of 2.5mm² copper stranded, table 6491B, LSF sheathed with the CPC with the same CSA as the phase conductor. The circuits are to have the cables in the distribution board numbered using Critchly cable markers, white with black numbers to identify the circuit. Cables into the property are not to be routed through the door/window frame unless agreed with WCC.

Cables

Tidy and provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 or any later amendments and shall be suitably earthed

Builders Work in Connection with the M&E Installations

Carry out all builders work in connection with The Works including subsequent making good of all disturbed finishes to a standard acceptable by WCC. Provide recommendations for any builders-work style items felt necessary (such as any minor building-fabric style repairs or decorative items associated with The Works areas), submit for review and further instruction by WCC

Maintaining the Existing Building Services

Maintain the building services systems during the duration of the contract. Where services may not be functioning or operational for a period of time prior notice and resident notification shall take place The service provider is to maintain the systems fully (PPMs checks and remedials) under this schemes budget during DLP and not via the usual term contracts PPM inclusive regime. This should be the case for all Emergency Lights, fire alarms and landlords’ supplies. All newly installed or worked on services under a scheme should be tested and maintained through the scheme and DLP.

Fire Safety Works

Carry out all relevant works identified and set out in the Schedule of Work within Appendix 3. Due to length of time before commencement of works, service provider to review all live fire risk assessment information on the Westminster City Council portal, Shine, to get a clear understanding on required works. Report findings with respect to recommendations to WCC for any additional work that may be deemed appropriate with regard to fire protection matters for consideration and further direction/instruction. Ensure the works are fully compliant with all current regulatory requirements. All passive fire protection and door installation works must be undertaken by a Competent Person. The term competent person shall mean a person or business who has demonstrated to a Third Party that they have the expertise, skills and commitment in the identification and installation of passive fire protection and fire door installation. The term Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All fire safety materials, door sets and doors shall be Third Party certificated fire stopping products where Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All products used shall be delivered with the relevant certification for inspection. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘Condition Survey’ element of works. Upon completion of the works Regulation 38 shall be complied with and this is a requirement under the Building Regulations for England and Wales to provide fire safety information to the 'responsible person' at the completion of a project, or where the building or extension is first occupied. Note – All fire safety works are to be undertaken by an accredited third party of an appropriate ‘industry recognised’ body. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘

Flat Entrance Doors (FEDs)

The service provider is to carry out fire door replacement works to all tenant flat entrance doors situated adjacent to the stairwells (on an opt-in basis for lessees). Supply PAS 23/24 Secured by Design External Timber Door sets to all tenanted properties (on an opt-in basis for lessees) The service provider is to instruct a competent person suitably qualified to do so including, but not limited to, BM TRADA Q-Mark Installer Certificate, Fire Door Inspection Scheme (FDIS) Certificate and IFC Certification Ltd (IFCC). The inspection and detailed report provided on the condition of the fire door, its integrity, any certification it has, comments on the installation, condition and compliance of the door itself and of any ironmongery fitted to it has been detailed for replacement to FD30S standard as specified and included in Appendix 8. All fire door set replacements are to be undertaken by an accredited third-party installation company of an appropriate ‘industry-recognised’ body in accordance with the manufacturer’s instruction, industry recognised best practice and BS 8214:2016. Gaps between the frame and aperture should be adequately filled with either non-combustible or intumescent materials suitable for the task. A full report should be provided on completion of the works, to include photos of the installation process to each property. Leaseholders will be given the option to replace their front entrance door at an additional cost. It is expected that doors and door sets will comply fully with the WCC Fire Door Performance Specification contained in Appendix 8. All fire door sets and doors shall have FSC chain of custody or PERF COC certification

Environmental Works

Each tenanted property (to be agreed with WCC), and any lessees that opt-in, are to have a Vent-axia lo-Carbon Response fan installed in to both the kitchen and the bathroom (usually located in glazing) and a Vent-Axia PIV in the hallway in accordance with the specification noted below. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

External Estate Works

Isolated repairs to external tarmac/asphalt/cobblestone walkways, paths and vehicle circulation areas associated with the three blocks. To estate owned surfaces only (not highways or WCC managed parking bays)

Asbestos Management

The PD/PC is required to inform the client regarding the need to instruct any further R&D surveys as the design develops and the areas where intrusive works will be required are confirmed. The R&D survey will be instructed by the client through the asbestos management system and provided to the PD/PC as part of the PCI, to allow the CPP to be developed. The Service Providers Project Execution Plan needs to identify any further works, with estimated costs, for completing removal or encapsulation of ACMs to enable The Works. The SP is to ensure that any subcontractor undertaking asbestos removal works as part of The Works, fulfils the client’s requirements outlined in the WCC process and procedure documents and are deemed competent to undertake the required works.

Other Potentially Hazardous Circumstances

The PD/PC is to inform the client if during the design stage, it becomes evident that there is the potential for other deleterious materials or hazards to be present and further inspection or testing is required. Other materials that may be present or that need considering include but are not limited to: · Lead Paint · Hazardous Area Classification (HAC) · Horse hair plaster · Clay pot floors · Calcium silicate brickwork · Reinforced Autoclaved Aerated Concrete (RAAC) planks · Tesserae · Vermiculite Other hazards that may be present: · Fragile roof materials · Unprotected flat roofs

Planned Preventative Maintenance (PPM) of M&E Systems

The Service Provider is to be responsible for the maintenance of all mechanical and electrical systems for the duration of the contract. The Service Provider is to make a budget allowance based on the annual M&E PPM items and associated prices. Any agreed PPM to be undertaken by the Service Provider must be removed from the Estate’s incumbent maintenance contractor’s PPM schedule until the element is commissioned / the contract is completed.

H&S File & O&M Manual

These buildings do not currently have a H&S file. Create/provide a new Health and Safety File and Operating & Maintenance manuals for the building and also for all systems associated with The Works. The file shall be in accordance with and as detailed within the Term Partnering Contract. This is to include but is not limited to; · A detailed future Planned Preventative Maintenance (PPM) programme/ regime associated with The Works; · As-built drawings, specifications, schematics, schedules etc. · Manufacturers details, guarantees and warranties (as applicable) · Details of risks and hazardous materials not eliminated through design · Site Investigation Reports · Statutory authority consents and approvals

PV Panels

Contractor to design and install The BauderSOLAR F photovoltaic (PV) solution equal and approved. The system should be an integrated system in which the solar PV module and the substructure are combined to form a single unit, which is secured to the roof without any penetration of the waterproofing or roof deck. This ensures that the integrity of the roof is upheld throughout the installation of the PV array. The system is designed to be used in conjunction with Bauder single ply or bituminous membranes and is extremely lightweight at 9-12.5 Kg/m², depending on module selected. The system shall not include battery storage and shall be designed and installed to export power when there is not sufficient loads on site. The contractor shall confirm during the design stage if further works are required by UKPN or EDF to allow the exporting of electricity and a G89/ G99 application. This installation will help reduce the communal energy usage and carbon emissions and also associated bills. The contractor should allow for the following as a minimum; · AC supply cabling and isolator. · DNO G99 Application. · G99 Relay Panel (if required). · Scaffold/edge protection. · Lift access equipment for materials. Budget/Funding Note: Costs have been allocated to this project and will be funded by the sustainability budget/team. NB the residents will not be charged for these works

Condition Survey

Pre-existing information regarding the condition of the buildings and associated ancillary areas has been provided. Pre-commencement condition surveys within all areas likely to be affected by the works which shall contain written and photographic evidence of the existing conditons and identify any areas of concern that may result in additional works being necessary, together with proposed remedial recommendations, within the scope of the works.The condition survey is to be agreed with Westminster Council/Client Representative and upon conclusion of the works to ensure the condition of any areas affected by the works are handed over to Westminster Council in no worse condition than that at pre-commencement stage.

Fire Strategy

An accredited fire risk assessor to produce a retrospective fire strategy for all blocks. The document should include but not limited to - Means of warning - Means of escape - Internal fire spread/passive fire protection - External fire spread - Fire safety management of the building.

Block Signage

Renew all external block signage and internal block and floor level signage.

Access Required

Work at height will be required to complete window renewal works, balcony works and external cladding/brickwork repairs/cleaning. Access scaffolding is to be erected to all blocks as required in order to complete all required elements of work. Design to be as per Service Provider's Proposal and should meet all statutory health and safety requirements. Block lifts are not to be used for materials and personnel and Service Provider is to propose alternative method of transportation of materials as require throughout the building. Ensure that all work at height activities are risk assessed and that the proposed method of access to facilitate the works is detailed and fully costed. Should there be any reason that specific access arrangements cannot be fully evaluated and costed for then the Service Provider should identify these together with a defined Provisional allowance for each specific item/area. Access will also be required into the residents’ properties to undertake a number of the works elements described.

Environmental Works

Each tenanted property is to have a Vent-Axia lo-Carbon Response fan installed in to both the kitchen and the bathroom and a Vent-Axia PIV in the hallway in accordance with the specification. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

Roof Replacement

Strip back to deck and renew roof covering in line with and in accordance with the Roof Report Survey and performance specification. An insurance backed guarantee for at least 20-year duration is to be provided for the installation of the roof system. Provide a sign at roof level stating installation date, contractor name, length of guarantee, guarantee end date, and contact details for Westminster City Council if any future works are proposed to be carried out to the roof. Renewal works are to include all associated works to roof falls, alteration and creation of compliant upstands, roofing details and junctions, termination bars, flashings, outlets, grilles, and associated decoration. Include all main and secondary roofs and ancillary parapet walls and details. Using an approved contractor provide all associated works including all leadwork, new chases into brickwork, rendered and concrete upstands, counter-flashing, welted drip to external gutters, drip battens, promenade tile removal, parapet wall fixings, waterproofing works, new insulation, edge protection, temporary lifting and reinstatement of cables and services, etc. All cables and services are to be maintained throughout the project. Cables are to be fixed in cable runs and reinstated on completion of works.

Bauder Roof System - Funding

There is possible funding under ECO4 Innovation for the properties on the top floor in each block. Contractor to Liaise with Bauder for more information on property list.

Edge Protection

Existing parapet wall does not adhere to Part K Building Regulations. Service Provider to install fixed edge protection to eliminate requirement for scaffold handrail system

Lightning Protection

Ensure existing lightning protection is operational throughout the course of the works. Ensure the roof termination network, bonding and down conductors are complete at all times during the works. If any lighting protection systems are required to be lifted or rerouted as part of the installation of the new roof systems, all lightning protection system works to comply with BS EN 62305

External Repairs

Concrete frame, floor slabs and cladding panels: Extensive concrete repairs as required throughout all blocks. Carry out carbonation, hammer & cover meter testing and carry out remedial repairs. Tiled cladding to flank elevations and wrap-around sections - Isolated repairs/replacement of cladding tiles where necessary. - Note: Pre-application advice for W104 (Phase 2) concluded that wholesale replacement of tiling will NOT be supported, and original tiling must be retained in situ where possible. - Replacement tiles and mortar to be consistent with those agreed for W104. Brickwork: DOFF brickwork cleaning and localised pointing repairs as required. Make good to redundant service penetrations. Provide a plan for potential phasing of external repair works and align against working at height requirements and proposal. Clean all external façade finishes including any grilles.

Metalwork Repairs

Decoration of all previously painted metalwork to blocks, including balustrades to communal walkways and stairwells and private balconies. To include full preparation (strip where necessary) and repairs and replacement of missing or defective elements

Insulation works

Install an approved 120mm insulation and an approved render system to exposed soffits to undercroft / first floor flats.

External Decoration

Redecorations to all previously decorated external surfaces. Including rendered fascia’s/soffits, rendered panels, balcony walls and soffits.

Internal repairs and decoration (semi-enclosed stairwells and walkways)

Repairs to internal fabric finishes ensuring they are sound, consistent and ready to receive redecoration. Redecoration of all previously decorated internal surfaces. External masonry paint required for walls, ceilings, strings and soffits including necessary preparations, in accordance with Approved Document B requirements. Class 0 performance to walls, ceilings and soffits including necessary preparations to all internal enclosed / semi-enclosed areas.

Communal Flooring

Repairs to existing non–covered flooring (including replacement of any components beyond repair) to ensure surfaces are safe, cleanable, maintainable, and free of defects. Replacement of existing floor coverings including associated components to ensure flooring is safe, cleanable, and maintainable.

Glazing, windows & balcony doors

Full window and balcony door replacement – Renew in bespoke double glazed Smart Alitherm Heritage double glazed units or similar designed to open inwards (subject to Planning Approval – SP to submit application). Make good to all window reveals and adjacent surfaces. Where outward opening windows are installed adjacent to pedestrian access e.g. balcony walkways, Service Provider to adhere to Part K of building regulations and ensure all windows have restricted opening to 100mm. Where windows are not required for escape purposes and can be accessed for cleaning from ground floor or walkway, permanent 100mm restriction is required. Extent of work and window/door designs to be agreed pre-commencement. Following rectification measures to new windows in previous phases, these measures will be included in the design of all new windows under X116: - Remove existing metal sub-frames. - Install new cavity drip tray detail above windows. - Install sloped mesh detail similar to trickle vent at heads of window externally. - Install new cavity closers around sides and bottoms of windows. - Install new backstop detail / EPDM to widow reveals internally to help prevent damp penetrating.

Doors to bin stores / electrical intake cupboards / roof tank rooms / roof access / risers

Renewal of timber doors with security rated steel and timber replacements to meet current requirements and fire safety standards. Designs to be agreed pre-commencement. In line with the Fire Risk Assessment to install the appropriate door i.e. FD30 door and door set and or FD60 door and door set to include all associated making good and use non-combustible material. Doors to be fitted with WCC ASSA locking systems.

Refuse hoppers and discharge/cut off plate

Refuse Hoppers: Existing refuse hoppers do not meet with current British Standard Regulations. The hopper doors in situ are not considered to be fire rated and had no smoke seals. It is recommended to replace said hoppers with new independently fire certified and smoke sealed units. Works required: Remove existing hopper doors and replace with new independently fire tested and certified refuse hoppers, grey hammer powder coated finish, bottom hinged, vandal proof security fixings, self-sealing, self-closing and smoke sealed to BS476 section 31.1 and BS5588 with a 1.5 hour rating to BS476 part 22, section 6. Discharge sections: The discharge sections within the bin storeroom at the base of the chutes currently have a manual cut off plate only. In the event of a fire there is currently no facility to contain fire/smoke from travelling up the chutes. Works required: Remove existing cut off plates and replace with a 2 hour fire tested and independently fire tested and certified automatic fire shutter doors/cut off plate to BS476: Part 22: Section 6: 1987, set with high tensile loading spring and 70 degree fire tested fusible link.

Above and below Ground Drainage

Carry out CCTV survey of gutters and internal rainwater pipes. Test and undertake repairs and full cleaning of rainwater goods including replacements of elements which are beyond repair. Test upon completion to ensure all rainwater goods systems are free of leaks and are discharging correctly. Renew undersized drainage gullies to communal walkways and private balconies. CCTV drainage survey required with which an agreement will be made between contractor and WCC establishing the extent of associated works required. The Contractor is to provide suggest proposals that would allow access to all main drain runs on the site to ascertain locations and condition. The contractor is to review the proposal to install/allow for rodding eyes at the down service connections between the rainwater pipes and the fall to the drain

Electrical Lighting

Survey / review existing lighting systems and upgrade to new system to comply with current regulatory requirements and CIBSE recommended levels (minimum illumination of 200lux in all plant room spaces required). The Lighting installation is to include emergency lighting provisions in accordance with BS 5266 Emergency Lighting requirements. Light fittings to be IP65 rated, vandal resistant, LED and aesthetically pleasing with the estate. All wiring to be replaced including containment system. Lighting to be complete with new controls to ensure energy efficiency and reduce obtrusive lighting. All emergency lights should be of a type that uses generic parts readily available from a number of suppliers. All lights to be controlled by Sangamo Solar dial clock. All installed emergency lights should be tested from the date of install until end of DLP by the installing contractor. Lighting should be split into independent circuits to mitigate loss of illumination during faults. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken.

Electrical Power

Survey / review existing electrical power supply installations associated with The Works and where necessary replace existing / install new systems in compliance with current regulatory requirements. Small Power (240V) provision (minimum 1no double switched socket outlet) is to be provided in reasonably ‘close proximity’, and ideally ‘within’, all plant room spaces for future maintenance and essential repair operations. Socket outlets must be RCD protected. Provide a complete system of earthing and supplementary bonding installation to all items associated with The Works to meet the current edition of the IEE wiring regulations. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken. Replace existing containment systems for both power and lighting wiring. Provide supplementary earth bonding to external metallic containment.

Lateral Mains

Survey / review existing lateral mains installation across the blocks and to all dwellings and landlords’ supplies. The components shall be replaced in strict compliance with BS 7671 current edition and amendments and in accordance with IEE regulations and all relevant legislation. Provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 and/or later amendments and shall be suitably earthed. Note: ConLock must not be used. All new main cabling installed will be connected back to the incoming utility company’s earth bar. All labels and notices to be in conjunction with BS 7671 and BS EN 60073. Switchgear, sub main cables complete with BS 7671 current edition and amendments indication of danger notices. All final outgoing cables to be a minimum of 2.5mm² copper stranded, table 6491B, LSF sheathed with the CPC with the same CSA as the phase conductor. The circuits are to have the cables in the distribution board numbered using Critchly cable markers, white with black numbers to identify the circuit. Cables into the property are not to be routed through the door/window frame unless agreed with WCC.

Cables

Tidy and provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 or any later amendments and shall be suitably earthed

Builders Work in Connection with the M&E Installations

Carry out all builders work in connection with The Works including subsequent making good of all disturbed finishes to a standard acceptable by WCC. Provide recommendations for any builders-work style items felt necessary (such as any minor building-fabric style repairs or decorative items associated with The Works areas), submit for review and further instruction by WCC

Maintaining the Existing Building Services

Maintain the building services systems during the duration of the contract. Where services may not be functioning or operational for a period of time prior notice and resident notification shall take place The service provider is to maintain the systems fully (PPMs checks and remedials) under this schemes budget during DLP and not via the usual term contracts PPM inclusive regime. This should be the case for all Emergency Lights, fire alarms and landlords’ supplies. All newly installed or worked on services under a scheme should be tested and maintained through the scheme and DLP.

Fire Safety Works

Carry out all relevant works identified and set out in the Schedule of Work within Appendix 3. Due to length of time before commencement of works, service provider to review all live fire risk assessment information on the Westminster City Council portal, Shine, to get a clear understanding on required works. Report findings with respect to recommendations to WCC for any additional work that may be deemed appropriate with regard to fire protection matters for consideration and further direction/instruction. Ensure the works are fully compliant with all current regulatory requirements. All passive fire protection and door installation works must be undertaken by a Competent Person. The term competent person shall mean a person or business who has demonstrated to a Third Party that they have the expertise, skills and commitment in the identification and installation of passive fire protection and fire door installation. The term Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All fire safety materials, door sets and doors shall be Third Party certificated fire stopping products where Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All products used shall be delivered with the relevant certification for inspection. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘Condition Survey’ element of works. Upon completion of the works Regulation 38 shall be complied with and this is a requirement under the Building Regulations for England and Wales to provide fire safety information to the 'responsible person' at the completion of a project, or where the building or extension is first occupied. Note – All fire safety works are to be undertaken by an accredited third party of an appropriate ‘industry recognised’ body. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘

Flat Entrance Doors (FEDs)

The service provider is to carry out fire door replacement works to all tenant flat entrance doors situated adjacent to the stairwells (on an opt-in basis for lessees). Supply PAS 23/24 Secured by Design External Timber Door sets to all tenanted properties (on an opt-in basis for lessees) The service provider is to instruct a competent person suitably qualified to do so including, but not limited to, BM TRADA Q-Mark Installer Certificate, Fire Door Inspection Scheme (FDIS) Certificate and IFC Certification Ltd (IFCC). The inspection and detailed report provided on the condition of the fire door, its integrity, any certification it has, comments on the installation, condition and compliance of the door itself and of any ironmongery fitted to it has been detailed for replacement to FD30S standard as specified and included in Appendix 8. All fire door set replacements are to be undertaken by an accredited third-party installation company of an appropriate ‘industry-recognised’ body in accordance with the manufacturer’s instruction, industry recognised best practice and BS 8214:2016. Gaps between the frame and aperture should be adequately filled with either non-combustible or intumescent materials suitable for the task. A full report should be provided on completion of the works, to include photos of the installation process to each property. Leaseholders will be given the option to replace their front entrance door at an additional cost. It is expected that doors and door sets will comply fully with the WCC Fire Door Performance Specification contained in Appendix 8. All fire door sets and doors shall have FSC chain of custody or PERF COC certification

Environmental Works

Each tenanted property (to be agreed with WCC), and any lessees that opt-in, are to have a Vent-axia lo-Carbon Response fan installed in to both the kitchen and the bathroom (usually located in glazing) and a Vent-Axia PIV in the hallway in accordance with the specification noted below. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

External Estate Works

Isolated repairs to external tarmac/asphalt/cobblestone walkways, paths and vehicle circulation areas associated with the three blocks. To estate owned surfaces only (not highways or WCC managed parking bays)

Asbestos Management

The PD/PC is required to inform the client regarding the need to instruct any further R&D surveys as the design develops and the areas where intrusive works will be required are confirmed. The R&D survey will be instructed by the client through the asbestos management system and provided to the PD/PC as part of the PCI, to allow the CPP to be developed. The Service Providers Project Execution Plan needs to identify any further works, with estimated costs, for completing removal or encapsulation of ACMs to enable The Works. The SP is to ensure that any subcontractor undertaking asbestos removal works as part of The Works, fulfils the client’s requirements outlined in the WCC process and procedure documents and are deemed competent to undertake the required works.

Other Potentially Hazardous Circumstances

The PD/PC is to inform the client if during the design stage, it becomes evident that there is the potential for other deleterious materials or hazards to be present and further inspection or testing is required. Other materials that may be present or that need considering include but are not limited to: · Lead Paint · Hazardous Area Classification (HAC) · Horse hair plaster · Clay pot floors · Calcium silicate brickwork · Reinforced Autoclaved Aerated Concrete (RAAC) planks · Tesserae · Vermiculite Other hazards that may be present: · Fragile roof materials · Unprotected flat roofs

Planned Preventative Maintenance (PPM) of M&E Systems

The Service Provider is to be responsible for the maintenance of all mechanical and electrical systems for the duration of the contract. The Service Provider is to make a budget allowance based on the annual M&E PPM items and associated prices. Any agreed PPM to be undertaken by the Service Provider must be removed from the Estate’s incumbent maintenance contractor’s PPM schedule until the element is commissioned / the contract is completed.

H&S File & O&M Manual

These buildings do not currently have a H&S file. Create/provide a new Health and Safety File and Operating & Maintenance manuals for the building and also for all systems associated with The Works. The file shall be in accordance with and as detailed within the Term Partnering Contract. This is to include but is not limited to; · A detailed future Planned Preventative Maintenance (PPM) programme/ regime associated with The Works; · As-built drawings, specifications, schematics, schedules etc. · Manufacturers details, guarantees and warranties (as applicable) · Details of risks and hazardous materials not eliminated through design · Site Investigation Reports · Statutory authority consents and approvals

PV Panels

Contractor to design and install The BauderSOLAR F photovoltaic (PV) solution equal and approved. The system should be an integrated system in which the solar PV module and the substructure are combined to form a single unit, which is secured to the roof without any penetration of the waterproofing or roof deck. This ensures that the integrity of the roof is upheld throughout the installation of the PV array. The system is designed to be used in conjunction with Bauder single ply or bituminous membranes and is extremely lightweight at 9-12.5 Kg/m², depending on module selected. The system shall not include battery storage and shall be designed and installed to export power when there is not sufficient loads on site. The contractor shall confirm during the design stage if further works are required by UKPN or EDF to allow the exporting of electricity and a G89/ G99 application. This installation will help reduce the communal energy usage and carbon emissions and also associated bills. The contractor should allow for the following as a minimum; · AC supply cabling and isolator. · DNO G99 Application. · G99 Relay Panel (if required). · Scaffold/edge protection. · Lift access equipment for materials. Budget/Funding Note: Costs have been allocated to this project and will be funded by the sustainability budget/team. NB the residents will not be charged for these works

High Risk Buildings

For all higher-risk buildings, a full application must be submitted and approved before work can commence. This includes the provision of additional information on competence, fire safety, control measures and mandatory reporting.

Condition Survey

Pre-existing information regarding the condition of the buildings and associated ancillary areas has been provided. Pre-commencement condition surveys within all areas likely to be affected by the works which shall contain written and photographic evidence of the existing conditons and identify any areas of concern that may result in additional works being necessary, together with proposed remedial recommendations, within the scope of the works.The condition survey is to be agreed with Westminster Council/Client Representative and upon conclusion of the works to ensure the condition of any areas affected by the works are handed over to Westminster Council in no worse condition than that at pre-commencement stage.

Fire Strategy

An accredited fire risk assessor to produce a retrospective fire strategy for all blocks. The document should include but not limited to - Means of warning - Means of escape - Internal fire spread/passive fire protection - External fire spread - Fire safety management of the building.

Block Signage

Renew all external block signage and internal block and floor level signage.

Access Required

Work at height will be required to complete window renewal works, balcony works and external cladding/brickwork repairs/cleaning. Access scaffolding is to be erected to all blocks as required in order to complete all required elements of work. Design to be as per Service Provider's Proposal and should meet all statutory health and safety requirements. Block lifts are not to be used for materials and personnel and Service Provider is to propose alternative method of transportation of materials as require throughout the building. Ensure that all work at height activities are risk assessed and that the proposed method of access to facilitate the works is detailed and fully costed. Should there be any reason that specific access arrangements cannot be fully evaluated and costed for then the Service Provider should identify these together with a defined Provisional allowance for each specific item/area. Access will also be required into the residents’ properties to undertake a number of the works elements described.

Environmental Works

Each tenanted property is to have a Vent-Axia lo-Carbon Response fan installed in to both the kitchen and the bathroom and a Vent-Axia PIV in the hallway in accordance with the specification. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

Roof Replacement

Strip back to deck and renew roof covering in line with and in accordance with the Roof Report Survey and performance specification. An insurance backed guarantee for at least 20-year duration is to be provided for the installation of the roof system. Provide a sign at roof level stating installation date, contractor name, length of guarantee, guarantee end date, and contact details for Westminster City Council if any future works are proposed to be carried out to the roof. Renewal works are to include all associated works to roof falls, alteration and creation of compliant upstands, roofing details and junctions, termination bars, flashings, outlets, grilles, and associated decoration. Include all main and secondary roofs and ancillary parapet walls and details. Using an approved contractor provide all associated works including all leadwork, new chases into brickwork, rendered and concrete upstands, counter-flashing, welted drip to external gutters, drip battens, promenade tile removal, parapet wall fixings, waterproofing works, new insulation, edge protection, temporary lifting and reinstatement of cables and services, etc. All cables and services are to be maintained throughout the project. Cables are to be fixed in cable runs and reinstated on completion of works.

Bauder Roof System - Funding

There is possible funding under ECO4 Innovation for the properties on the top floor in each block. Contractor to Liaise with Bauder for more information on property list.

Edge Protection

Existing parapet wall does not adhere to Part K Building Regulations. Service Provider to install fixed edge protection to eliminate requirement for scaffold handrail system

Lightning Protection

Ensure existing lightning protection is operational throughout the course of the works. Ensure the roof termination network, bonding and down conductors are complete at all times during the works. If any lighting protection systems are required to be lifted or rerouted as part of the installation of the new roof systems, all lightning protection system works to comply with BS EN 62305

External Repairs

Concrete frame, floor slabs and cladding panels: Extensive concrete repairs as required throughout all blocks. Carry out carbonation, hammer & cover meter testing and carry out remedial repairs. Tiled cladding to flank elevations and wrap-around sections - Isolated repairs/replacement of cladding tiles where necessary. - Note: Pre-application advice for W104 (Phase 2) concluded that wholesale replacement of tiling will NOT be supported, and original tiling must be retained in situ where possible. - Replacement tiles and mortar to be consistent with those agreed for W104. Brickwork: DOFF brickwork cleaning and localised pointing repairs as required. Make good to redundant service penetrations. Provide a plan for potential phasing of external repair works and align against working at height requirements and proposal. Clean all external façade finishes including any grilles.

Metalwork Repairs

Decoration of all previously painted metalwork to blocks, including balustrades to communal walkways and stairwells and private balconies. To include full preparation (strip where necessary) and repairs and replacement of missing or defective elements

Insulation works

Install an approved 120mm insulation and an approved render system to exposed soffits to undercroft / first floor flats.

External Decoration

Redecorations to all previously decorated external surfaces. Including rendered fascia’s/soffits, rendered panels, balcony walls and soffits.

Internal repairs and decoration (semi-enclosed stairwells and walkways)

Repairs to internal fabric finishes ensuring they are sound, consistent and ready to receive redecoration. Redecoration of all previously decorated internal surfaces. External masonry paint required for walls, ceilings, strings and soffits including necessary preparations, in accordance with Approved Document B requirements. Class 0 performance to walls, ceilings and soffits including necessary preparations to all internal enclosed / semi-enclosed areas.

Communal Flooring

Repairs to existing non–covered flooring (including replacement of any components beyond repair) to ensure surfaces are safe, cleanable, maintainable, and free of defects. Replacement of existing floor coverings including associated components to ensure flooring is safe, cleanable, and maintainable.

Glazing, windows & balcony doors

Full window and balcony door replacement – Renew in bespoke double glazed Smart Alitherm Heritage double glazed units or similar designed to open inwards (subject to Planning Approval – SP to submit application). Make good to all window reveals and adjacent surfaces. Where outward opening windows are installed adjacent to pedestrian access e.g. balcony walkways, Service Provider to adhere to Part K of building regulations and ensure all windows have restricted opening to 100mm. Where windows are not required for escape purposes and can be accessed for cleaning from ground floor or walkway, permanent 100mm restriction is required. Extent of work and window/door designs to be agreed pre-commencement. Following rectification measures to new windows in previous phases, these measures will be included in the design of all new windows under X116: - Remove existing metal sub-frames. - Install new cavity drip tray detail above windows. - Install sloped mesh detail similar to trickle vent at heads of window externally. - Install new cavity closers around sides and bottoms of windows. - Install new backstop detail / EPDM to widow reveals internally to help prevent damp penetrating.

Doors to bin stores / electrical intake cupboards / roof tank rooms / roof access / risers

Renewal of timber doors with security rated steel and timber replacements to meet current requirements and fire safety standards. Designs to be agreed pre-commencement. In line with the Fire Risk Assessment to install the appropriate door i.e. FD30 door and door set and or FD60 door and door set to include all associated making good and use non-combustible material. Doors to be fitted with WCC ASSA locking systems.

Refuse hoppers and discharge/cut off plate

Refuse Hoppers: Existing refuse hoppers do not meet with current British Standard Regulations. The hopper doors in situ are not considered to be fire rated and had no smoke seals. It is recommended to replace said hoppers with new independently fire certified and smoke sealed units. Works required: Remove existing hopper doors and replace with new independently fire tested and certified refuse hoppers, grey hammer powder coated finish, bottom hinged, vandal proof security fixings, self-sealing, self-closing and smoke sealed to BS476 section 31.1 and BS5588 with a 1.5 hour rating to BS476 part 22, section 6. Discharge sections: The discharge sections within the bin storeroom at the base of the chutes currently have a manual cut off plate only. In the event of a fire there is currently no facility to contain fire/smoke from travelling up the chutes. Works required: Remove existing cut off plates and replace with a 2 hour fire tested and independently fire tested and certified automatic fire shutter doors/cut off plate to BS476: Part 22: Section 6: 1987, set with high tensile loading spring and 70 degree fire tested fusible link.

Above and below Ground Drainage

Carry out CCTV survey of gutters and internal rainwater pipes. Test and undertake repairs and full cleaning of rainwater goods including replacements of elements which are beyond repair. Test upon completion to ensure all rainwater goods systems are free of leaks and are discharging correctly. Renew undersized drainage gullies to communal walkways and private balconies. CCTV drainage survey required with which an agreement will be made between contractor and WCC establishing the extent of associated works required. The Contractor is to provide suggest proposals that would allow access to all main drain runs on the site to ascertain locations and condition. The contractor is to review the proposal to install/allow for rodding eyes at the down service connections between the rainwater pipes and the fall to the drain

Electrical Lighting

Survey / review existing lighting systems and upgrade to new system to comply with current regulatory requirements and CIBSE recommended levels (minimum illumination of 200lux in all plant room spaces required). The Lighting installation is to include emergency lighting provisions in accordance with BS 5266 Emergency Lighting requirements. Light fittings to be IP65 rated, vandal resistant, LED and aesthetically pleasing with the estate. All wiring to be replaced including containment system. Lighting to be complete with new controls to ensure energy efficiency and reduce obtrusive lighting. All emergency lights should be of a type that uses generic parts readily available from a number of suppliers. All lights to be controlled by Sangamo Solar dial clock. All installed emergency lights should be tested from the date of install until end of DLP by the installing contractor. Lighting should be split into independent circuits to mitigate loss of illumination during faults. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken.

Electrical Power

Survey / review existing electrical power supply installations associated with The Works and where necessary replace existing / install new systems in compliance with current regulatory requirements. Small Power (240V) provision (minimum 1no double switched socket outlet) is to be provided in reasonably ‘close proximity’, and ideally ‘within’, all plant room spaces for future maintenance and essential repair operations. Socket outlets must be RCD protected. Provide a complete system of earthing and supplementary bonding installation to all items associated with The Works to meet the current edition of the IEE wiring regulations. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken. Replace existing containment systems for both power and lighting wiring. Provide supplementary earth bonding to external metallic containment.

Lateral Mains

Survey / review existing lateral mains installation across the blocks and to all dwellings and landlords’ supplies. The components shall be replaced in strict compliance with BS 7671 current edition and amendments and in accordance with IEE regulations and all relevant legislation. Provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 and/or later amendments and shall be suitably earthed. Note: ConLock must not be used. All new main cabling installed will be connected back to the incoming utility company’s earth bar. All labels and notices to be in conjunction with BS 7671 and BS EN 60073. Switchgear, sub main cables complete with BS 7671 current edition and amendments indication of danger notices. All final outgoing cables to be a minimum of 2.5mm² copper stranded, table 6491B, LSF sheathed with the CPC with the same CSA as the phase conductor. The circuits are to have the cables in the distribution board numbered using Critchly cable markers, white with black numbers to identify the circuit. Cables into the property are not to be routed through the door/window frame unless agreed with WCC.

Cables

Tidy and provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 or any later amendments and shall be suitably earthed

Builders Work in Connection with the M&E Installations

Carry out all builders work in connection with The Works including subsequent making good of all disturbed finishes to a standard acceptable by WCC. Provide recommendations for any builders-work style items felt necessary (such as any minor building-fabric style repairs or decorative items associated with The Works areas), submit for review and further instruction by WCC

Maintaining the Existing Building Services

Maintain the building services systems during the duration of the contract. Where services may not be functioning or operational for a period of time prior notice and resident notification shall take place The service provider is to maintain the systems fully (PPMs checks and remedials) under this schemes budget during DLP and not via the usual term contracts PPM inclusive regime. This should be the case for all Emergency Lights, fire alarms and landlords’ supplies. All newly installed or worked on services under a scheme should be tested and maintained through the scheme and DLP.

Fire Safety Works

Carry out all relevant works identified and set out in the Schedule of Work within Appendix 3. Due to length of time before commencement of works, service provider to review all live fire risk assessment information on the Westminster City Council portal, Shine, to get a clear understanding on required works. Report findings with respect to recommendations to WCC for any additional work that may be deemed appropriate with regard to fire protection matters for consideration and further direction/instruction. Ensure the works are fully compliant with all current regulatory requirements. All passive fire protection and door installation works must be undertaken by a Competent Person. The term competent person shall mean a person or business who has demonstrated to a Third Party that they have the expertise, skills and commitment in the identification and installation of passive fire protection and fire door installation. The term Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All fire safety materials, door sets and doors shall be Third Party certificated fire stopping products where Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All products used shall be delivered with the relevant certification for inspection. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘Condition Survey’ element of works. Upon completion of the works Regulation 38 shall be complied with and this is a requirement under the Building Regulations for England and Wales to provide fire safety information to the 'responsible person' at the completion of a project, or where the building or extension is first occupied. Note – All fire safety works are to be undertaken by an accredited third party of an appropriate ‘industry recognised’ body. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘

Flat Entrance Doors (FEDs)

The service provider is to carry out fire door replacement works to all tenant flat entrance doors situated adjacent to the stairwells (on an opt-in basis for lessees). Supply PAS 23/24 Secured by Design External Timber Door sets to all tenanted properties (on an opt-in basis for lessees) The service provider is to instruct a competent person suitably qualified to do so including, but not limited to, BM TRADA Q-Mark Installer Certificate, Fire Door Inspection Scheme (FDIS) Certificate and IFC Certification Ltd (IFCC). The inspection and detailed report provided on the condition of the fire door, its integrity, any certification it has, comments on the installation, condition and compliance of the door itself and of any ironmongery fitted to it has been detailed for replacement to FD30S standard as specified and included in Appendix 8. All fire door set replacements are to be undertaken by an accredited third-party installation company of an appropriate ‘industry-recognised’ body in accordance with the manufacturer’s instruction, industry recognised best practice and BS 8214:2016. Gaps between the frame and aperture should be adequately filled with either non-combustible or intumescent materials suitable for the task. A full report should be provided on completion of the works, to include photos of the installation process to each property. Leaseholders will be given the option to replace their front entrance door at an additional cost. It is expected that doors and door sets will comply fully with the WCC Fire Door Performance Specification contained in Appendix 8. All fire door sets and doors shall have FSC chain of custody or PERF COC certification

Environmental Works

Each tenanted property (to be agreed with WCC), and any lessees that opt-in, are to have a Vent-axia lo-Carbon Response fan installed in to both the kitchen and the bathroom (usually located in glazing) and a Vent-Axia PIV in the hallway in accordance with the specification noted below. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

External Estate Works

Isolated repairs to external tarmac/asphalt/cobblestone walkways, paths and vehicle circulation areas associated with the three blocks. To estate owned surfaces only (not highways or WCC managed parking bays)

Asbestos Management

The PD/PC is required to inform the client regarding the need to instruct any further R&D surveys as the design develops and the areas where intrusive works will be required are confirmed. The R&D survey will be instructed by the client through the asbestos management system and provided to the PD/PC as part of the PCI, to allow the CPP to be developed. The Service Providers Project Execution Plan needs to identify any further works, with estimated costs, for completing removal or encapsulation of ACMs to enable The Works. The SP is to ensure that any subcontractor undertaking asbestos removal works as part of The Works, fulfils the client’s requirements outlined in the WCC process and procedure documents and are deemed competent to undertake the required works.

Other Potentially Hazardous Circumstances

The PD/PC is to inform the client if during the design stage, it becomes evident that there is the potential for other deleterious materials or hazards to be present and further inspection or testing is required. Other materials that may be present or that need considering include but are not limited to: · Lead Paint · Hazardous Area Classification (HAC) · Horse hair plaster · Clay pot floors · Calcium silicate brickwork · Reinforced Autoclaved Aerated Concrete (RAAC) planks · Tesserae · Vermiculite Other hazards that may be present: · Fragile roof materials · Unprotected flat roofs

Planned Preventative Maintenance (PPM) of M&E Systems

The Service Provider is to be responsible for the maintenance of all mechanical and electrical systems for the duration of the contract. The Service Provider is to make a budget allowance based on the annual M&E PPM items and associated prices. Any agreed PPM to be undertaken by the Service Provider must be removed from the Estate’s incumbent maintenance contractor’s PPM schedule until the element is commissioned / the contract is completed.

H&S File & O&M Manual

These buildings do not currently have a H&S file. Create/provide a new Health and Safety File and Operating & Maintenance manuals for the building and also for all systems associated with The Works. The file shall be in accordance with and as detailed within the Term Partnering Contract. This is to include but is not limited to; · A detailed future Planned Preventative Maintenance (PPM) programme/ regime associated with The Works; · As-built drawings, specifications, schematics, schedules etc. · Manufacturers details, guarantees and warranties (as applicable) · Details of risks and hazardous materials not eliminated through design · Site Investigation Reports · Statutory authority consents and approvals

PV Panels

Contractor to design and install The BauderSOLAR F photovoltaic (PV) solution equal and approved. The system should be an integrated system in which the solar PV module and the substructure are combined to form a single unit, which is secured to the roof without any penetration of the waterproofing or roof deck. This ensures that the integrity of the roof is upheld throughout the installation of the PV array. The system is designed to be used in conjunction with Bauder single ply or bituminous membranes and is extremely lightweight at 9-12.5 Kg/m², depending on module selected. The system shall not include battery storage and shall be designed and installed to export power when there is not sufficient loads on site. The contractor shall confirm during the design stage if further works are required by UKPN or EDF to allow the exporting of electricity and a G89/ G99 application. This installation will help reduce the communal energy usage and carbon emissions and also associated bills. The contractor should allow for the following as a minimum; · AC supply cabling and isolator. · DNO G99 Application. · G99 Relay Panel (if required). · Scaffold/edge protection. · Lift access equipment for materials. Budget/Funding Note: Costs have been allocated to this project and will be funded by the sustainability budget/team. NB the residents will not be charged for these works

Condition Survey

Pre-existing information regarding the condition of the buildings and associated ancillary areas has been provided. Pre-commencement condition surveys within all areas likely to be affected by the works which shall contain written and photographic evidence of the existing conditons and identify any areas of concern that may result in additional works being necessary, together with proposed remedial recommendations, within the scope of the works.The condition survey is to be agreed with Westminster Council/Client Representative and upon conclusion of the works to ensure the condition of any areas affected by the works are handed over to Westminster Council in no worse condition than that at pre-commencement stage.

Fire Strategy

An accredited fire risk assessor to produce a retrospective fire strategy for all blocks. The document should include but not limited to - Means of warning - Means of escape - Internal fire spread/passive fire protection - External fire spread - Fire safety management of the building.

Block Signage

Renew all external block signage and internal block and floor level signage.

Access Required

Work at height will be required to complete window renewal works, balcony works and external cladding/brickwork repairs/cleaning. Access scaffolding is to be erected to all blocks as required in order to complete all required elements of work. Design to be as per Service Provider's Proposal and should meet all statutory health and safety requirements. Block lifts are not to be used for materials and personnel and Service Provider is to propose alternative method of transportation of materials as require throughout the building. Ensure that all work at height activities are risk assessed and that the proposed method of access to facilitate the works is detailed and fully costed. Should there be any reason that specific access arrangements cannot be fully evaluated and costed for then the Service Provider should identify these together with a defined Provisional allowance for each specific item/area. Access will also be required into the residents’ properties to undertake a number of the works elements described.

Environmental Works

Each tenanted property is to have a Vent-Axia lo-Carbon Response fan installed in to both the kitchen and the bathroom and a Vent-Axia PIV in the hallway in accordance with the specification. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

Roof Replacement

Strip back to deck and renew roof covering in line with and in accordance with the Roof Report Survey and performance specification. An insurance backed guarantee for at least 20-year duration is to be provided for the installation of the roof system. Provide a sign at roof level stating installation date, contractor name, length of guarantee, guarantee end date, and contact details for Westminster City Council if any future works are proposed to be carried out to the roof. Renewal works are to include all associated works to roof falls, alteration and creation of compliant upstands, roofing details and junctions, termination bars, flashings, outlets, grilles, and associated decoration. Include all main and secondary roofs and ancillary parapet walls and details. Using an approved contractor provide all associated works including all leadwork, new chases into brickwork, rendered and concrete upstands, counter-flashing, welted drip to external gutters, drip battens, promenade tile removal, parapet wall fixings, waterproofing works, new insulation, edge protection, temporary lifting and reinstatement of cables and services, etc. All cables and services are to be maintained throughout the project. Cables are to be fixed in cable runs and reinstated on completion of works.

Bauder Roof System - Funding

There is possible funding under ECO4 Innovation for the properties on the top floor in each block. Contractor to Liaise with Bauder for more information on property list.

Edge Protection

Existing parapet wall does not adhere to Part K Building Regulations. Service Provider to install fixed edge protection to eliminate requirement for scaffold handrail system

Lightning Protection

Ensure existing lightning protection is operational throughout the course of the works. Ensure the roof termination network, bonding and down conductors are complete at all times during the works. If any lighting protection systems are required to be lifted or rerouted as part of the installation of the new roof systems, all lightning protection system works to comply with BS EN 62305

External Repairs

Concrete frame, floor slabs and cladding panels: Extensive concrete repairs as required throughout all blocks. Carry out carbonation, hammer & cover meter testing and carry out remedial repairs. Tiled cladding to flank elevations and wrap-around sections - Isolated repairs/replacement of cladding tiles where necessary. - Note: Pre-application advice for W104 (Phase 2) concluded that wholesale replacement of tiling will NOT be supported, and original tiling must be retained in situ where possible. - Replacement tiles and mortar to be consistent with those agreed for W104. Brickwork: DOFF brickwork cleaning and localised pointing repairs as required. Make good to redundant service penetrations. Provide a plan for potential phasing of external repair works and align against working at height requirements and proposal. Clean all external façade finishes including any grilles.

Metalwork Repairs

Decoration of all previously painted metalwork to blocks, including balustrades to communal walkways and stairwells and private balconies. To include full preparation (strip where necessary) and repairs and replacement of missing or defective elements

Insulation works

Install an approved 120mm insulation and an approved render system to exposed soffits to undercroft / first floor flats.

External Decoration

Redecorations to all previously decorated external surfaces. Including rendered fascia’s/soffits, rendered panels, balcony walls and soffits.

Internal repairs and decoration (semi-enclosed stairwells and walkways)

Repairs to internal fabric finishes ensuring they are sound, consistent and ready to receive redecoration. Redecoration of all previously decorated internal surfaces. External masonry paint required for walls, ceilings, strings and soffits including necessary preparations, in accordance with Approved Document B requirements. Class 0 performance to walls, ceilings and soffits including necessary preparations to all internal enclosed / semi-enclosed areas.

Communal Flooring

Repairs to existing non–covered flooring (including replacement of any components beyond repair) to ensure surfaces are safe, cleanable, maintainable, and free of defects. Replacement of existing floor coverings including associated components to ensure flooring is safe, cleanable, and maintainable.

Glazing, windows & balcony doors

Full window and balcony door replacement – Renew in bespoke double glazed Smart Alitherm Heritage double glazed units or similar designed to open inwards (subject to Planning Approval – SP to submit application). Make good to all window reveals and adjacent surfaces. Where outward opening windows are installed adjacent to pedestrian access e.g. balcony walkways, Service Provider to adhere to Part K of building regulations and ensure all windows have restricted opening to 100mm. Where windows are not required for escape purposes and can be accessed for cleaning from ground floor or walkway, permanent 100mm restriction is required. Extent of work and window/door designs to be agreed pre-commencement. Following rectification measures to new windows in previous phases, these measures will be included in the design of all new windows under X116: - Remove existing metal sub-frames. - Install new cavity drip tray detail above windows. - Install sloped mesh detail similar to trickle vent at heads of window externally. - Install new cavity closers around sides and bottoms of windows. - Install new backstop detail / EPDM to widow reveals internally to help prevent damp penetrating.

Doors to bin stores / electrical intake cupboards / roof tank rooms / roof access / risers

Renewal of timber doors with security rated steel and timber replacements to meet current requirements and fire safety standards. Designs to be agreed pre-commencement. In line with the Fire Risk Assessment to install the appropriate door i.e. FD30 door and door set and or FD60 door and door set to include all associated making good and use non-combustible material. Doors to be fitted with WCC ASSA locking systems.

Refuse hoppers and discharge/cut off plate

Refuse Hoppers: Existing refuse hoppers do not meet with current British Standard Regulations. The hopper doors in situ are not considered to be fire rated and had no smoke seals. It is recommended to replace said hoppers with new independently fire certified and smoke sealed units. Works required: Remove existing hopper doors and replace with new independently fire tested and certified refuse hoppers, grey hammer powder coated finish, bottom hinged, vandal proof security fixings, self-sealing, self-closing and smoke sealed to BS476 section 31.1 and BS5588 with a 1.5 hour rating to BS476 part 22, section 6. Discharge sections: The discharge sections within the bin storeroom at the base of the chutes currently have a manual cut off plate only. In the event of a fire there is currently no facility to contain fire/smoke from travelling up the chutes. Works required: Remove existing cut off plates and replace with a 2 hour fire tested and independently fire tested and certified automatic fire shutter doors/cut off plate to BS476: Part 22: Section 6: 1987, set with high tensile loading spring and 70 degree fire tested fusible link.

Above and below Ground Drainage

Carry out CCTV survey of gutters and internal rainwater pipes. Test and undertake repairs and full cleaning of rainwater goods including replacements of elements which are beyond repair. Test upon completion to ensure all rainwater goods systems are free of leaks and are discharging correctly. Renew undersized drainage gullies to communal walkways and private balconies. CCTV drainage survey required with which an agreement will be made between contractor and WCC establishing the extent of associated works required. The Contractor is to provide suggest proposals that would allow access to all main drain runs on the site to ascertain locations and condition. The contractor is to review the proposal to install/allow for rodding eyes at the down service connections between the rainwater pipes and the fall to the drain

Electrical Lighting

Survey / review existing lighting systems and upgrade to new system to comply with current regulatory requirements and CIBSE recommended levels (minimum illumination of 200lux in all plant room spaces required). The Lighting installation is to include emergency lighting provisions in accordance with BS 5266 Emergency Lighting requirements. Light fittings to be IP65 rated, vandal resistant, LED and aesthetically pleasing with the estate. All wiring to be replaced including containment system. Lighting to be complete with new controls to ensure energy efficiency and reduce obtrusive lighting. All emergency lights should be of a type that uses generic parts readily available from a number of suppliers. All lights to be controlled by Sangamo Solar dial clock. All installed emergency lights should be tested from the date of install until end of DLP by the installing contractor. Lighting should be split into independent circuits to mitigate loss of illumination during faults. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken.

Electrical Power

Survey / review existing electrical power supply installations associated with The Works and where necessary replace existing / install new systems in compliance with current regulatory requirements. Small Power (240V) provision (minimum 1no double switched socket outlet) is to be provided in reasonably ‘close proximity’, and ideally ‘within’, all plant room spaces for future maintenance and essential repair operations. Socket outlets must be RCD protected. Provide a complete system of earthing and supplementary bonding installation to all items associated with The Works to meet the current edition of the IEE wiring regulations. Provide Electrical Installation Condition Report (EICR) and all appropriate certification associated with The Works undertaken. Replace existing containment systems for both power and lighting wiring. Provide supplementary earth bonding to external metallic containment.

Lateral Mains

Survey / review existing lateral mains installation across the blocks and to all dwellings and landlords’ supplies. The components shall be replaced in strict compliance with BS 7671 current edition and amendments and in accordance with IEE regulations and all relevant legislation. Provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 and/or later amendments and shall be suitably earthed. Note: ConLock must not be used. All new main cabling installed will be connected back to the incoming utility company’s earth bar. All labels and notices to be in conjunction with BS 7671 and BS EN 60073. Switchgear, sub main cables complete with BS 7671 current edition and amendments indication of danger notices. All final outgoing cables to be a minimum of 2.5mm² copper stranded, table 6491B, LSF sheathed with the CPC with the same CSA as the phase conductor. The circuits are to have the cables in the distribution board numbered using Critchly cable markers, white with black numbers to identify the circuit. Cables into the property are not to be routed through the door/window frame unless agreed with WCC.

Cables

Tidy and provide new containment which shall be metal powder coated. Installed in line with BS EN 50085-1:2005 or any later amendments and shall be suitably earthed

Builders Work in Connection with the M&E Installations

Carry out all builders work in connection with The Works including subsequent making good of all disturbed finishes to a standard acceptable by WCC. Provide recommendations for any builders-work style items felt necessary (such as any minor building-fabric style repairs or decorative items associated with The Works areas), submit for review and further instruction by WCC

Maintaining the Existing Building Services

Maintain the building services systems during the duration of the contract. Where services may not be functioning or operational for a period of time prior notice and resident notification shall take place The service provider is to maintain the systems fully (PPMs checks and remedials) under this schemes budget during DLP and not via the usual term contracts PPM inclusive regime. This should be the case for all Emergency Lights, fire alarms and landlords’ supplies. All newly installed or worked on services under a scheme should be tested and maintained through the scheme and DLP.

Fire Safety Works

Carry out all relevant works identified and set out in the Schedule of Work within Appendix 3. Due to length of time before commencement of works, service provider to review all live fire risk assessment information on the Westminster City Council portal, Shine, to get a clear understanding on required works. Report findings with respect to recommendations to WCC for any additional work that may be deemed appropriate with regard to fire protection matters for consideration and further direction/instruction. Ensure the works are fully compliant with all current regulatory requirements. All passive fire protection and door installation works must be undertaken by a Competent Person. The term competent person shall mean a person or business who has demonstrated to a Third Party that they have the expertise, skills and commitment in the identification and installation of passive fire protection and fire door installation. The term Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All fire safety materials, door sets and doors shall be Third Party certificated fire stopping products where Third Party shall mean a Certification body accredited by the United Kingdom Accreditation Service (UKAS). All products used shall be delivered with the relevant certification for inspection. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘Condition Survey’ element of works. Upon completion of the works Regulation 38 shall be complied with and this is a requirement under the Building Regulations for England and Wales to provide fire safety information to the 'responsible person' at the completion of a project, or where the building or extension is first occupied. Note – All fire safety works are to be undertaken by an accredited third party of an appropriate ‘industry recognised’ body. A full report should be provided on completion of the works, to include photos of pre and post condition as part of the ‘

Flat Entrance Doors (FEDs)

The service provider is to carry out fire door replacement works to all tenant flat entrance doors situated adjacent to the stairwells (on an opt-in basis for lessees). Supply PAS 23/24 Secured by Design External Timber Door sets to all tenanted properties (on an opt-in basis for lessees) The service provider is to instruct a competent person suitably qualified to do so including, but not limited to, BM TRADA Q-Mark Installer Certificate, Fire Door Inspection Scheme (FDIS) Certificate and IFC Certification Ltd (IFCC). The inspection and detailed report provided on the condition of the fire door, its integrity, any certification it has, comments on the installation, condition and compliance of the door itself and of any ironmongery fitted to it has been detailed for replacement to FD30S standard as specified and included in Appendix 8. All fire door set replacements are to be undertaken by an accredited third-party installation company of an appropriate ‘industry-recognised’ body in accordance with the manufacturer’s instruction, industry recognised best practice and BS 8214:2016. Gaps between the frame and aperture should be adequately filled with either non-combustible or intumescent materials suitable for the task. A full report should be provided on completion of the works, to include photos of the installation process to each property. Leaseholders will be given the option to replace their front entrance door at an additional cost. It is expected that doors and door sets will comply fully with the WCC Fire Door Performance Specification contained in Appendix 8. All fire door sets and doors shall have FSC chain of custody or PERF COC certification

Environmental Works

Each tenanted property (to be agreed with WCC), and any lessees that opt-in, are to have a Vent-axia lo-Carbon Response fan installed in to both the kitchen and the bathroom (usually located in glazing) and a Vent-Axia PIV in the hallway in accordance with the specification noted below. In the event that a property has a suitable existing fan in either kitchen or bathroom or both then there is no need to replace the existing fan/fans. The contractor’s approved ventilation installer is required to undertake a survey in each property ahead of installing ventilation equipment to confirm suitability of property and any existing extract fans.

External Estate Works

Isolated repairs to external tarmac/asphalt/cobblestone walkways, paths and vehicle circulation areas associated with the three blocks. To estate owned surfaces only (not highways or WCC managed parking bays)

Asbestos Management

The PD/PC is required to inform the client regarding the need to instruct any further R&D surveys as the design develops and the areas where intrusive works will be required are confirmed. The R&D survey will be instructed by the client through the asbestos management system and provided to the PD/PC as part of the PCI, to allow the CPP to be developed. The Service Providers Project Execution Plan needs to identify any further works, with estimated costs, for completing removal or encapsulation of ACMs to enable The Works. The SP is to ensure that any subcontractor undertaking asbestos removal works as part of The Works, fulfils the client’s requirements outlined in the WCC process and procedure documents and are deemed competent to undertake the required works.

Other Potentially Hazardous Circumstances

The PD/PC is to inform the client if during the design stage, it becomes evident that there is the potential for other deleterious materials or hazards to be present and further inspection or testing is required. Other materials that may be present or that need considering include but are not limited to: · Lead Paint · Hazardous Area Classification (HAC) · Horse hair plaster · Clay pot floors · Calcium silicate brickwork · Reinforced Autoclaved Aerated Concrete (RAAC) planks · Tesserae · Vermiculite Other hazards that may be present: · Fragile roof materials · Unprotected flat roofs

Planned Preventative Maintenance (PPM) of M&E Systems

The Service Provider is to be responsible for the maintenance of all mechanical and electrical systems for the duration of the contract. The Service Provider is to make a budget allowance based on the annual M&E PPM items and associated prices. Any agreed PPM to be undertaken by the Service Provider must be removed from the Estate’s incumbent maintenance contractor’s PPM schedule until the element is commissioned / the contract is completed.

H&S File & O&M Manual

These buildings do not currently have a H&S file. Create/provide a new Health and Safety File and Operating & Maintenance manuals for the building and also for all systems associated with The Works. The file shall be in accordance with and as detailed within the Term Partnering Contract. This is to include but is not limited to; · A detailed future Planned Preventative Maintenance (PPM) programme/ regime associated with The Works; · As-built drawings, specifications, schematics, schedules etc. · Manufacturers details, guarantees and warranties (as applicable) · Details of risks and hazardous materials not eliminated through design · Site Investigation Reports · Statutory authority consents and approvals

PV Panels

Contractor to design and install The BauderSOLAR F photovoltaic (PV) solution equal and approved. The system should be an integrated system in which the solar PV module and the substructure are combined to form a single unit, which is secured to the roof without any penetration of the waterproofing or roof deck. This ensures that the integrity of the roof is upheld throughout the installation of the PV array. The system is designed to be used in conjunction with Bauder single ply or bituminous membranes and is extremely lightweight at 9-12.5 Kg/m², depending on module selected. The system shall not include battery storage and shall be designed and installed to export power when there is not sufficient loads on site. The contractor shall confirm during the design stage if further works are required by UKPN or EDF to allow the exporting of electricity and a G89/ G99 application. This installation will help reduce the communal energy usage and carbon emissions and also associated bills. The contractor should allow for the following as a minimum; · AC supply cabling and isolator. · DNO G99 Application. · G99 Relay Panel (if required). · Scaffold/edge protection. · Lift access equipment for materials. Budget/Funding Note: Costs have been allocated to this project and will be funded by the sustainability budget/team. NB the residents will not be charged for these works

High Risk Buildings

For all higher-risk buildings, a full application must be submitted and approved before work can commence. This includes the provision of additional information on competence, fire safety, control measures and mandatory reporting.