SCOPE

• To install a shower mixer complete with slide rail and flexihose (new pipework).

PRELIMINARY AND GENERAL

• The Housing Modification Schedules shall be read in conjunction with sketches/drawings and summary sheet provided by the Specialised Housing Assessor and the Agreement for Contractor Services
• Where a site visit has not been undertaken to ascertain the conditions, levels, boundary positions, access etc. no variations will be given by reason of ignorance of the site or existing site conditions
• The shower-mixing valve (complete with slide rail and flexihose) shall be installed in the location shown on the proposed sketch plan and summary schedule sheet. Any variation is to be approved by the Specialised Housing Assessor and Enable New Zealand
• A building consent is required for the installation of shower where new pipe work and wall linings are being installed. The Contractor shall arrange to obtain all necessary consents from the local Territorial Authority.
• All work must comply with the Building Act, relevant clauses of the NZ Building Code and product manufacturer specifications
• The Contractor shall provide necessary protection to the client and other person/s from holes, unsafe building, falling and other hazards
• Damage resulting from failure to protect adequately will be made good at the Contractor's expense
• The shower mixing valve and associate work shall be installed/constructed by skilled tradespeople using best trade practice and materials.

CARPENTRY

• Protect all parts of the existing building not to be demolished. Demolition work shall be carried out in a manner that will create as little as possible disruption to the client's use of the building
• All framing is correctly set out, and all necessary fixings built in for hardware, plumbing and other fixtures
• Supply and fix all obviously necessary, but not specifically mentioned, fixings and materials
• Remove existing timber trim and wall linings sufficient to install pipe work and fixings of rails
• Supply and fix an approved wet wall lining around the bath/shower area in strict accordance with manufacturer instructions and recommendations, as required to provide a waterproof finish. Note: Horizontal sheet junctions will not be permitted.

PLUMBING

• Install pipe work from the existing hot and cold feed to the position of the shower mixing valve and hose outlet. All new plumbing is to be concealed behind new wall linings. Surface mounted mixers are not recommended and should only be installed when requested by the Client and with prior approval from the Specialised Housing Assessor
• The new shower-mixing valve shall be compatible with the water supply system. The flexihose shall have a large bore suitable to ensure there is minimal loss in water pressure/flow
• Confirm heights of fittings from the Specialised Housing Assessor's sketch and summary schedule sheet
• The hot water temperature at the sanitary fixture (shower) is to be such that it will not scald. Methods to achieve this are:-
  • Installation of an approved heat-tempering valve to the hot water supply
  • Fitting a shower mixer that has a temperature lock feature incorporated in it.

Note: These shower mixers may only be used where the hot and cold water supplies are from the same source.

GENERAL

• Supply and install curtain track (Mactrack) 2.0m above floor to form complete enclosure.
• Supply and install weighted waterproof curtain of sufficient length to fall and seal the shower/bath area to prevent water splash.
• Supply and install handrails as specified
• All handrails shall be securely fixed to walls/wall framing with stainless steel screws
• Confirm heights of fittings from the Specialised Housing Assessor's sketch and summary schedule sheet.

ELECTRICAL

• Check position of existing electrical fittings and relocate or replace (as required) to comply with AS/NZS 3000:2000 (Wiring Rules).

GLAZING

• Safety glass is required to all glazing in the bathroom that is less than 1500mm above the abutting finished floor level or standing area of a bath or shower.

Note: Safety glass is not required, where a vanity unit or a bench of a minimum height of 760mm and a minimum width of 300mm is located in front of the window (regardless of the window height).

ADDITIONAL COMPLIANCE

The contractor shall supply and install approved smoke detectors as required to comply with the Building Code

• The smoke detector is to be battery powered and fitted with a hush facility with a minimum duration of 60 seconds
• The smoke detector(s) shall be located on escape routes on each level of the dwelling. On levels containing sleeping spaces a smoke detector is required within 3 metres of the bedroom door.

COMPLETION

• Clean down all work, test and leave in a tidy condition ready for use.

NOT INCLUDED

Ministry of Health funding will not cover the following:

• Additional work requested by the property owner and/or the client
• Refurbishment whole area and/or room
• Repairs and Maintenance
• Upgrading plumbing system
• Water pressure
• Replacing rotten material.