flinders st station public toilet refurbishment conservation and

FLINDERS ST STATION PUBLIC
TOILET REFURBISHMENT
CONSERVATION AND
REFURBISHMENT
MENU OF METHODS FOR REPAIR
Codes Employed in Repairs Schedule
Cross-reference with Schedules and Drawings
July 2016
General Works Repairs
Code
Works
G1
Remove redundant fixtures and fittings
Demolish redundant services, fixtures and fittings from facades, including brackets, lighting,
lighting cables, mounting plates, bolts, nails, pipes, conduits, sealants and the like.
Repair the masonry substrate. Where holes are larger than 30mm diameter cut out and
replace the tile and re tile where holes are less than 30mm patch repair refer to menu of tile
repair
Where holes are to Granit patch repair pinning holes with colour matched mortar containing
black / grey colour matched Abilox pigments. Provide samples of mortar to match the colour
of existing stone work to the approval of the Superintendent.
Remove imbedded metal item, where required cut out surrounding tile to allow embedded
metal items to be removed. Clean with compressed air or water. Patch repair tile to match
original. Where moulded, re-form profile in-situ to match original profile.
G2
Paint Removal
Undertake samples of paint removal in-situ to the satisfaction of the superintendent to
determine the approved method of paint removal. The agreed sample shall be the method for
which paint removal works shall be undertaken and assessed.
Remove paint effected grout between tiles. Re-grout to match original colour
Removal all paint from tiles using pressure water of between 800-1200PSI at 90°C. Working
from top to bottom. Wash down all render work at completion of paint removal to
neutralise, undertake spot test with PH strips to confirm the substrate is neutralised to PH7.
Capture all waste and water runoff for disposal in accordance with relevant authorities’
guidelines.
G3
Remove and treat organic growth
Remove all organic growth, dirt and like to all masonry works and rendered areas. Treat area
with applied chemicals Chemtech BC36 Biocide in a 1:10 part solution prior to cleaning to the
approval of the Conservation Consultant. All waste must be contained, collected and disposed
of in an approved manner and in accordance with the waste management plan. Provide
warning notices to suspicious positions where necessary to warn the public and other
tradesmen of the operations.
LOVELL CHEN
1
Paint Works Repairs
Code
Works
P1
Prepare and repaint metalwork
Prepare and paint all metal work in accordance with the specification. Remove all loose and
flaked paint. Treat areas of exposed metal with phosphoric neutraliser and spot prime with
zinc rich primer. Apply 3-coats of high gloss epoxy paint system (one undercoat, two finishing
coats) in accordance with the paint manufacturer's specification. All preparation is to be
undertaken in accordance with the Australian Standard 4163.2 1998 Guide to Lead Paint
Management.
P2
Prepare and repaint timberwork
Prepare and paint all timberwork in accordance with the specification. Remove all loose and
flaked paint, fill and patch all holes, dints and the like, grain fill timber, sand and prepare to
receive paint. Prime all exposed timber. Apply 3-coats of high gloss enamel paint system (one
undercoat, two finishing coats) in accordance with the paint manufacturer's specification. All
preparation is to be undertaken in accordance with the Australian Standard 4163.2 1998
Guide to Lead Paint Management.
P3
Finishing
Where repairs and replacement have taken place the finished result should be indiscernible
from the retained and refinished adjacent areas. Colour, texture and profile shall be uniform
and consistent. Allow to repaint entire room, walls, trim and ceiling if necessary
LOVELL CHEN
2
Carpentry and Joinery Works Repairs
Code
Works
C1
Repair doors and Windows
Undertake repairs to existing doors. Carefully remove existing glazing to enable repairs.
Provide temporary protection in the form of plywood hoarding to opening. Prepare shop
drawings setting out the size and profiles of members, joint details, fixings and the like for
approval by the Superintendent prior to commencement of works.
Dismantle door and reset, re-gluing all framing back together with new timber dowels. Cut
out sections of decayed, damaged or detached timber works and splice in new section of
timber with profile and dimension to match. Install glazing to window in accordance with
specification. Where possible reinstate existing glazing or provide protection to glazing to
enable the works.
Where doors are hinged, remove existing brass hinges and install new hinges with size to
match existing.
Where doors are hung on pivots, release the doors from the top spring and crane lift.
Remove top spring and reset so that doors are operable. Once works are complete crane
doors into position and re-hang. Ensure all magnetic locking devices are functioning correctly.
Fill all dints, knots, grains and joints and the like with putty and sand back Prepare and paint
window and sash in accordance with Repair Code P4.
C2
Inject cracked timber work
Where nominated, tape up cracks to timber work and using a hypodermic inject epoxy into
the crack to fill. Once epoxy has set remove tape. Where crack penetrates through to rear of
timberworks tape both sides of the crack.
Fill all dints, knots, grains and joints and the like with putty and sand back Prepare and paint
window and sash in accordance with Repair Code P4.
C3
Refinish Seating
Carefully strip off the remaining finish using a hand applied chemical stripping agent Do not
dip.
For any deep scratches through to the wood should be filled using coloured wax stick melted
onto the scratch or with an off an approved wood filler. Sanded down using 240 grade paper.
Lightly sand (240 grade again) all over and wash down with white spirit. Finish with 2 coats
clear spray lacquer.
LOVELL CHEN
3
Carpentry and Joinery Works Repairs
Code
Works
C4
Finishing
Where repairs and replacement have taken place the finished result should be indiscernible
from the retained and refinished adjacent areas. Colour, texture and profile shall be uniform
and consistent. SAMPLES and prototypes should be provided for approval by the heritage
consultant and assessed in context of retained elements in situ.
LOVELL CHEN
4
Hard Plaster Works Repairs
Code
Works
H1
Crack repair – undertaken from below
Clean out crack with compressed air to remove all dust and debris. Cut out unstable plaster
back to sound substrate, allow to cut enough surrounding plaster to provide a sound key for
new plasterwork to crack line. Remove loose plaster from laths. Re-plaster cut-out area,
forming new plaster ceiling / moulded cornice with render coat, floating coat and setting coat,
keying into laths. Re-run mouldings, make pattern from original undamaged moulding. Finish
surface to blend in with retained plasterwork.
H2
Repair cracks to hard plaster to walls
Clean out crack with compressed air and brush away any dust/ debris.
Fill crack with flexible plaster filler in accordance with the Specification and to manufacturer's
recommendations.
Create adequate adhesion between existing and new plaster to ensure firm bonding.
Finish to an even surface free from irregularities and consistent in texture and finish to
existing plaster.
H3
Remove peeling paint from ceilings / walls
Carefully scrape off flaking paint from ceiling / wall surfaces, sand back to sound surface
finish. Do not feather paint edges.
H4
Treat mould and organic growth
Vacuum / dust down area with a soft cloth to remove all dust and debris.
Remove mould and organic growth using (No Suggestions) BC36 biocide in accordance with
manufacturer’s instructions. Do not use chlorine based bleach.
Wipe off all residues at completion of treatment.
LOVELL CHEN
5
Hard Plaster Works Repairs
Code
Works
H5
Remove watermarks and water-borne debris
NOTE: Allow to undertake samples as required in Schedule.
Carefully clean down affected wall area using a weak sugar-soap solution. Contain water so
that other areas are not affected. Do not over-wash, and do not use chlorine based bleach.
Wipe off all residues at completion of cleaning.
H6
Finishing
Where repairs and replacement have taken place the finished result should be indiscernible
from the retained and refinished adjacent areas. Colour, texture and profile shall be uniform
and consistent. SAMPLES and prototypes should be provided for approval by the heritage
consultant and assessed in context of retained elements in situ.
LOVELL CHEN
6
Stone Works Repairs
Code
Works
S1
REGROUT COLUMN OR PLINTH JOINTS
Repoint area of granite plinth wall.
S2
MINOR CRACK / CHIP REPAIR
Repoint area of bluestone paving
S3
MAJOR CRACK CHIP REPAIR
Cut out damaged area, stainless steel pin and epoxy fix new stone to match existing
LOVELL CHEN
7
Tile Works Repairs
Code
Works
T1
Repair/ Conservation to Tiles
Remove individual loose broken or cracked tiles _ replace with like
Remove section of loose cracked tiles – if screed is damaged, shore up substrate,
In particular check:
Remove and replace screed before relaying tiles
T2
Cleaning and sealing
Clean tiles to remove surface dirt
Use low concentration Intensive alkali based cleaner specifically tailored for glazed tiled walls
Water and mild detergent such as conservation grade spirit Soap
Low speed scrubbing machine with a plastic scrubbing pad is used
Apply an acrylic Sealer – low sheen
T3
Repair cracks and Chips
Repair chips with epoxy putty
T4
Finishing
Where repairs and replacement have taken place the finished result should be indiscernible
from the retained and refinished adjacent areas. Colour, texture and profile shall be uniform
and consistent. SAMPLES and prototypes should be provided for approval by the heritage
consultant and assessed in context of retained elements in situ.
LOVELL CHEN
8
Metal Ceiling Works Repairs
Code
Works
MC1
REPAIRS TO CUSHIONING/ DELAMINATION
Removing entire panel for reinstallation:
-Use pinch tools/pliers to take out fixing nails. If existing fixing nails are too many or too deepgently remove entire panel by popping nails through (tin is quite soft, so it will often result in
the least amount of damage to panel)
-Remove paint, prep for re install and repaint
MC2
RUST OR CORROSION SPOTS LESS THAN 30MM DIAMETER
Repair in situ
Surface rust spots: Assessment of rust will be required- perhaps might only require paint
removal and application of 'kill rust' type product. If reverse or back of existing panels also has
rust though, entire area and clearance surrounding rust will need to be removed.
MC3
RUST OR CORROSION SPOTS LARGER THAN 30MM DIAMETER
Cut out effected section of ceiling and replace with matching component
Removing badly damaged areas within panels: -Use angle grinder to remove damaged section,
taking out panel from inside overlap to ensure replacement panel covers remaining line.
-If timber trim was used in existing feature, cover old/new junction with similar timber trim to
match Paint to match
LOVELL CHEN
9