Bathroom Renovations,Tub Liner and Wall Surround Installation. CSI 3-Part Specifications.

Typical Installation of Bathtub Liner and Ceiling High Wall Surround (refer to the image portion of this screen)
A. 2" x .060 HMW PVC ceiling trim
B. Optional 1 piece or 4 piece window liner (3 piece with 60" wall surround)
C. Optional 60" wall surround
D. One piece soap dish mount on new wall surround
E. New 1 or 2 piece PVC or Acrylic/ABS bathtub liner
F. Silicone sealant
G. Existing bathtub
H. Existing floor
I. Existing plumbing
J. Solid brass - chrome plated lift & turn drain attach to existing plumbing (size to suit)
K. Sealer
L. Solid brass overflow plate chrome plated attach to existing plumbing
M. Wall adhesive
N. Existing plaster or sheetrock
O. Existing ceramic tile
P. HMW PVC wall surround all seams sealed with silicone adhesive from top of tub to ceiling
Q. New 3 piece ceiling high HMW PVC wall surround
R. Finished ceiling

General Specifications:
PVC Plastic Bathtub and Shower Receptor Liners with PVC Shower Surround Wall Systems and Accessories

PART ONE - GENERAL

1.1 DESCRIPTION

1.1.1 The General Conditions and Supplementary General Conditions are part of this section.

1.1.2 SCOPE: All labor, materials, and equipment necessary to provide plastic bathtub liners and wall surrounds as shown on the drawings or as specified.

1.1.3 WORK INCLUDED: Without limiting the generality of the foregoing, include the following:

1. Field measurements
2. Test installation
3. Plastic fabrication
4. Accessories
5. Installation
6. Caulking
7. Coordination
8. Clean-up

1.1.4 RELATED WORK SPECIFIED ELSEWHERE:
1. Plastic window (Section -----)
2. Plumbing (Section -----)
3. Carpentry (Section -----)

1.2 QUALITY ASSURANCE

1.2.1 STANDARDS: Comply with referenced standards of the American Society for Testing and Materials (ASTM), Underwriters Laboratories (UL), and the Federal Housing Administration of the Department of Housing and Urban Development (HUD/FHA).

1.2.2 Use skilled workmen who are trained and experienced in the necessary crafts and familiar with the specifications and methods needed to properly perform the work of this section.

1.2.3 MANUFACTURER: Universal Bath Systems, 165 Front Street, Chicopee MA, 01013, (800) 553-0120, who shall certify to the Architect and/or Housing Authority that:

1. He has a minimum of five (5) years continuous experience in the type of fabrication and installation required of the drawings and specifications.

2. He has successfully completed comparable work with at least five (5) references.

3. His shop and personnel have the facilities and capabilities to fabricate all items expeditiously and on time.

4. Shop drawings will be prepared by qualified drafters "in house."

1.2.4 GUARANTEE: Bathtub liners and wall surrounds shall be guaranteed for a period of one (1) year from date of substantial completion.

1.3 SUBMITTALS

1.3.1 SAMPLES: Submit samples for review by the Architect and/or Housing Authority as follows:

1. Plastic material
2. All accessories
3. Caulking
4. Fastening devices

1.3.2 SHOP DRAWINGS: Submit detailed shop drawings for review by the Architect and/or Housing Authority. These shop drawings shall show proposed methods of installation for actual field conditions. Coordinate with the manufacturer to show joint of wall surround with new plastic window.

1.3.3 TEST INSTALLATION: Make one complete installation of bathtub liner, wall surround, window trim and accessories in the field for review by the Architect and/or Housing Authority. Remaining work may be done only after written approval from the Architect and/or Housing Authority. Approved test installation will be the standard by which remaining work is judged. Work not meeting this standard will be required to be corrected or redone.

1.3.4 MAINTENANCE INFORMATION: Furnish one copy of cleaning instructions for each unit in the project plus one for the Housing Authority Office. Also furnish one copy of repair instructions to the Housing Authority.

PART TWO - PRODUCTS

2.1 MATERIALS - GENERAL

2.1.1 All materials shall be new, free of defects impairing their strength, durability, or appearance, and of best commercial quality for purposes noted.

2.1.2 All caulking shall be watertight, mildew resistant silicone or sealant equal to or better than Dow Corning 784, 786, or GE-SCS-1702.

2.1.3 All adhesives used shall be fire, water, and mildew resistant in their cured state.

2.1.4 Plastic shall be Polyvinyl Chloride in sheet form with the following characteristics:

1. Thickness as specified for each member with a tolerance of ten percent (10%).

2. Meets or exceeds the requirements of HUD/FHA as stated in "Materials Bulletin Number 73A" for plastic bathtubs.

3. Fire retardant per ASTM D635 and UL Listing under UL94-V-O.

4. Retains a modest gloss finish resistant to chipping, cracking, acids, chemicals, stains, or discolorations.

5. Repairable against unnatural abuse.

6. Of the same color within each installation.

2.2 BATHTUB LINERS

2.2.1 Bathtub liners shall be manufactured from a sheet of plastic .250 inch thick.

2.2.2 The bathtub liner shall completely enclose the existing bathtub, obscuring any part of it from view.

2.2.3 The bathtub liner shall be a preformed insert, customized for each bathtub in the project, and upon completion shall be a new and substantial unit capable of supporting a bather.

2.2.4 The option is given the contractor to install a one or two piece tubliner. Should a two piece be used, the skirt shall be a minimum of .093 mils thick.

2.3 WALL SURROUND SYSTEM

2.3.1 Members shall be manufactured from a sheet of plastic .093 inch thick.

2.3.2 The wall surround system shall be an assembly of pieces which are customized to meet the specific requirements of each bathroom.

2.3.3 The standard system shall consist of a minimum of three sections including two wing panels and one back panel preformed to overlap for a custom fit. Another configuration may be used if approved by the Architect and/or Housing Authority.

2.3.4 Provide plastic trim as required to accommodate windows.

2.3.5 The wall surround system shall extend from bathtub liner to ceiling with trim to cover existing tile.

2.4 ACCESSORIES

2.4.1 Provide accessories at each installation as follows:

1. Surface-mounted soap dish

2.4.2 Provide flanged waste fitting, overflow fitting, etc., as required (brightwork only) for a complete installation.

PART THREE - EXECUTION

3.1 GENERAL REQUIREMENTS

3.1.1 This contractor shall coordinate with the Architect and/or Housing Authority, the general contractor and other trades in performing this work.

3.1.2 The contractor shall visit each unit and verify all dimensions and conditions for the work herein specified.

3.1.3 The installation of the tubliners shall be made during normal working hours and shall be completed on the same day in which it is commenced.

3.1.4 Any obstructions, encountered for the installation of the PVC panels, shall be removed under this contract.

3.1.5 Patch and repair any wallboard or plaster surfaces damaged or disturbed that are exposed after panel installation.

3.1.6 Plumbing materials, removed due to the installation of the tubliners and which are not to be reused, shall become the property of the contractor who shall thereafter remove them from the premises.

3.1.7 Wall repair over one (1) square foot per unit will be billed as an extra.

3.2 SURFACE CONDITIONS

3.2.1 Remove all foreign materials such as paint, soap, film, etc., from all existing tub surfaces.

3.2.2 Examine the areas and conditions under which work of this section will be performed. Correct conditions detrimental to timely and proper completion of the work. Do not proceed until unsatisfactory conditions are corrected.

3.2.3 Have carpentry contractor install required blocking.

3.3 INSTALLATION

3.3.1 BATHTUB LINERS:

1. Remove existing drain and overflow fittings (brightwork).

2. Trim tubliners for 1/8" clearance between existing walls and liners.

3. Apply adhesive to entire bottom of existing tub and sealant around the top of the tub.

4. The new bathtub liner shall be inserted over and into the old bathtub simultaneously bottoming on and resting on the old bathtub seat and rim on all four sides, thereby eliminating any movement.

5. The contractor shall connect new bathtub waste outlet and overflow assembly to existing drain assembly.

6. Before installing new waste fitting into existing trap assembly, be certain existing waste line is clear of any obstruction. Waste water must flow freely while being drained from bathtub.

7. A new flanged waste fitting shall be installed through the new bathtub liners' waste aperture and into the existing bath waste and overflow drain assembly. A new gasket and/or sealing compound shall be installed to provide a watertight seal.

8. Neatly caulk and fill all void spaces between liner and wall.

3.3.2 TUB/SHOWER WALL SURROUND PANELS:

1. All wall panels shall be integrated with the installation of new tubliners. The option is given the contractor to install a two (2) or three (3) piece back wall system.

2. Measure utility wing panel and custom fit to fixture locations for tub and shower. Apply adhesive to back of panel and position panel in place. Apply silicone waterproofing around all plumbing and in between the panel and wall sections.

3. Apply adhesive to other sections and secure in position using a minimum of 90 oz. per tub/shower wall surround.

4. Install supporting flanges, shower and window curtain rods, soap dishes, etc.

5. Where bathrooms have a window located over the bathtub, install plastic trim on window sill, jamb and header to completely encase window.

6. Trim and edge exposed ends with plastic extrusions.

7. All perimeter edges between new panels and existing walls including corner joint between windows or back wall or the two side walls must be permanently caulked.

3.4 CLEAN-UP

3.4.1 Remove all waste resulting from this work and leave each unit broom clean upon completion.


General Specifications:
PVC Plastic Tub/Shower Wall Surround Systems

PART ONE - GENERAL

1.1 DESCRIPTION

1.1.1 The General Conditions and Supplementary General Conditions are part of this section.

1.1.2 SCOPE: All labor, materials, and equipment necessary to provide plastic ceiling height PVC Tub/Shower Wall Surrounds as shown on the drawings or as specified.

1.1.3 WORK INCLUDED: Without limiting the generality of the foregoing, include the following:

1. Field measurements
2. Test installation
3. Plastic fabrication
4. Installation
5. Caulking
6. Coordination
7. Clean-up

1.2 QUALITY ASSURANCE

1.2.1 STANDARDS: Comply with referenced standards of the American Society for Testing and Materials (ASTM), Underwriters Laboratories (UL), and the Federal Housing Administration of the Department of Housing and Urban Development (HUD/FHA).

1.2.2 Use skilled workmen who are trained and experienced in the necessary crafts and familiar with the specifications and methods needed to properly perform the work of this section.

1.2.3 MANUFACTURER: Universal Bath Systems, 165 Front Street, Chicopee MA, 01013, (800) 553-0120, who shall certify to the Architect and/or Housing Authority that:

1. He has a minimum of five (5) years continuous experience in the type of fabrication required of the drawings and specifications.

2. He has successfully completed comparable work with at least five (5) references.

3. His shop and personnel have the facilities and capabilities to fabricate all items expeditiously and on time.

4. Shop drawings will be prepared by qualified drafters "in house."

1.2.4 INSTALLING CONTRACTOR: Shall upon written request, certify to the Architect and/or Housing Authority that:

1. He has a minimum of three (3) years continuous experience in the type of fabrication and installation required of the drawings and specifications.

2. He has successfully completed comparable work with at least three (3) references.

1.2.6 GUARANTEE: Shower wall surrounds shall be installed by a company that meets the above requirements and shall be warranted for a period of two (2) years from date of substantial completion.

1.3 SUBMITTALS

1.3.1 SAMPLES: Submit samples for review by the Architect and/or Housing Authority as follows:

1. Plastic material
2. All accessories
3. Caulking
4. Adhesives

1.3.2 SHOP DRAWINGS: Submit detailed shop drawings for review by the Architect and/or Housing Authority. These shop drawings shall show proposed methods of installation for actual field conditions. Coordinate with the manufacturer to show joint of wall surround with new window. (if applicable)

1.3.3 TEST INSTALLATION: Make one complete installation of tub/shower wall surround in the field for review by the Architect and/or Housing Authority. Remaining work may be done only after written approval from the Architect and/or Housing Authority. Approved test installation will be the standard by which remaining work is judged.

1.3.4 MAINTENANCE INFORMATION: Furnish ten copies of Cleaning Instructions to the Housing Authority office.

PART TWO - PRODUCTS

2.1 MATERIALS - GENERAL

2.1.1 All materials shall be new, free of defects impairing their strength, durability, or appearance, and of the best commercial quality for the purposes noted.

2.1.2 All caulking shall be watertight, mildew resistant silicone or sealant equal to or better than Dow Corning 784, 786, or GE-SCS-1702. Where the seam is next to a wall that is going to be painted a latex caulk may be used if so specified.

2.1.3 All adhesives used shall be fire, water, and mildew resistant in their cured state.

2.1.4 Plastic shall be Polyvinyl Chloride in sheet form with the following characteristics:

1. Thickness as specified for each member with a tolerance of ten percent (10%).

2. Meets or exceeds the requirements of HUD/FHA as stated in "Materials Bulletin Number 73A" for plastics.

3. Of the same color within each installation and repairable against unnatural abuse.

4. Retains a modest gloss finish resistant to chipping or cracking under normal uses.

2.2 TUB/SHOWER WALL SYSTEM

2.2.1 PLASTIC: Members shall be manufactured from a sheet of (HIGH MOLECULAR PVC) plastic with a minimum thickness of .090 inches.

2.2.2 STYLE: The ceiling height tub/shower wall surround system shall be an assembly of pieces which are customized to meet the specific requirements of each bathroom. The standard system shall consist of a minimum of five (5) sections and trim including two (2) L-shaped end wing panels with 1/2" radius corners at bends, one flat back panel, two (2) L-shaped front edge trim pieces with 1/2" radius corners at bends to overlap for a custom fit. Ceiling trim and a surface mounted soap dish are to be included with tub/shower wall surround system. (see drawings for section details)

2.2.3 TYPE: The tub/shower wall surround system shall extend from the bathtub rail to bathroom ceiling (approximate height, 82"), with front edge and ceiling trim. The completed system shall cover all existing tile in tub/shower area. (if applicable)

2.3 WINDOW LINER INSERT (if applicable)

2.3.1 PLASTIC: One piece window liner - shall be manufactured from a sheet of High Molecular Weight PVC plastic 187 mils thick for windows up to 4" deep and 250 mils thick for windows from 4" to 6" deep.

2.3.2 PLASTIC: Four piece window trim kit shall be manufactured from a sheet of PVC plastic .060 mils thick. Trim kit to consist of (2) eight foot lengths which shall be field cut to completely enclose the existing window frame and/or trim.

2.4 PVC SOAP DISH: Surface mounted.

2.4.1 PLASTIC: shall be manufactured from a sheet of High Molecular Weight PVC plastic 125 mils thick.

2.4.2 STYLE: Surface mounted with 3/8" radius on all corners and perimeter edges.

PART THREE - EXECUTION

3.1 COORDINATION: The contractor shall coordinate with the Architect and/or Housing Authority in performing this work.

3.1.2 VERIFICATION: The contractor shall visit each unit and verify all dimensions and conditions for the work herein specified.

3.1.3 WORKING HOURS: The installation shall be made during normal working hours and shall be completed on the same day in which it is commenced whenever possible.

3.1.4 OBSTRUCTIONS: Any obstructions encountered for the installation of all products in this specifications shall be removed under this contract.

3.1.5 WALL REPAIR: Patch and repair any wallboard or plaster surfaces damaged or disturbed by contractor and/or subcontractor that are exposed after tub/shower wall installation.

3.1.6 DEMOLITION: Plumbing materials removed due to the installation of the tub/shower surround system and which are not to be reused, shall become the property of the contractor who shall thereafter remove them from the premises.

3.2 SURFACE CONDITIONS

3.2.1 CONDITIONS: Examine the areas and conditions under which work of this section will be performed. Correct conditions detrimental to timely and proper completion of the work. Do not proceed until unsatisfactory conditions are corrected.

3.2.2 INSTALLATION

3.2.3 TUB/SHOWER WALL SURROUND:

1. Remove existing loose ceramic tile and/or damaged wall surface. Fur out the wall above the existing ceramic tile flush with the existing tile (if applicable).

2. All PVC tub/shower wall panels shall be integrated with the existing tub.

3. Measure, scribe, and custom fit wet wall (faucet wall) end panel to existing bathtub, ceiling and to plumbing fixture locations. Apply adhesive and tape on wall, position wet wall end panel in place, using a minimum of 30 oz. of PVC compatible adhesive per panel. Roll panel with a floor roller for even distribution of adhesive.

4. Scribe and fit remaining end panel to ceiling and existing bathtub. Apply adhesive and tape on wall, position end panel in place, using a minimum of 30 oz. of PVC compatible adhesive per panel. Roll panel with a floor roller for even distribution of adhesive.

5. Scribe and fit center panel to ceiling and existing bathtub. Apply adhesive and tape on wall, position end panel in place, using a minimum of 30 oz. of PVC compatible adhesive per panel. Roll panel with a floor roller for even distribution of adhesive.

6. Where bathrooms have a window located in the bathtub alcove area, install a one piece window liner, or a four piece window liner, or a four piece window trim kit.

7. Installation shall be made with approved silicone caulking. All perimeter edges between new panels and existing walls including corner joints between windows or back wall must be permanently caulked.

3.3 CAULKING AND WATERPROOFING

3.3.1 Clean and prime all surfaces with silicone primer.

3.3.2. Apply silicone/adhesive waterproofing sealant to all seams and joints, plumbing trim and soap dish for a watertight installation.

3.4 CLEAN-UP

3.4.1 Remove all waste resulting from this work and leave each unit broom clean.