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Refurbishment of Rooms in HC Building, Southampton Solent University, East Park Terrace, SO14 OYN

SPECIFICATION OF WORKS

Required in Refurbishment of rooms in the HC Building

At Southampton Solent University East Park Terrace Southampton Hampshire SO14 0YN For Southampton Solent University

AM Interiors 13, Wymondham Road Southampton Hampshire SO15 2QE

December 2011 Ref No: AM/01/SU

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Refurbishment of Rooms in HC Building, Southampton Solent University, East Park Terrace, SO14 OYN

CONTENTS PAGE

Section 1 Preliminaries

Section 2 Schedule of Works

Section 3 Materials and Workmanship

Appendices

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Refurbishment of Rooms in HC Building, Southampton Solent University, East Park Terrace, SO14 OYN

PRELIMINARIES CONTENTS

A

Preliminaries / General Conditions

A10

Project Particulars

A11

The Tender and Contract Documents

A12

The Site / Existing Buildings

A13

Description of the Works

A30

Tendering/Sub-Letting/Supply

A31

Provision, Content and use of Documents. Definitions and Interpretations.

A32

Management of the Works

A33

Quality Standards/Control. Materials and Work Generally.

A34

Security/Safety and Protection Generally

A35

Specific Limitations on Method/Sequencing and Timing

A36

Facilities/Temporary, Work and Services

A37

Operation/Maintenance of the Finished Building

A50

Work/Materials By/On Behalf of the Employer

A53

Work by Statutory Authorities/Undertakers

A54

Provisional Work

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PRELIMINARIES/GENERAL CONDITIONS

£

A10: Project Particulars 110

The Project: Name: Refurbishment of rooms in HC building Location: Southampton Solent University Timescale for completion of the construction work: 4 weeks commencing 1st February 2012.

120

Employer (client): Southampton Solent University.

127

The principal contractor: To be confirmed.

141

Contract Administrator (hereinafter referred to as 'CA'): Alice Morice of AM Interiors

147

Planning supervisor: Loren Smith.

150

Quantity surveyor: Kelly Sargent.

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PRELIMINARIES/GENERAL CONDITIONS

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A11: Tender and Contract Documents 110

The tender drawings are: N/A

120

[_________] The contract drawings will be the same as the tender drawings.

160

The pre-tender health and safety plan is included in these preliminaries in section A34. It refers to information given elsewhere in the preliminaries, specification and drawings.

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PRELIMINARIES/GENERAL CONDITIONS

£

A12: The Site and Existing Buildings 110

The site: The HC building Southampton Solent University

140

Existing mains/services: • Drawings: Indicative information on the position of existing mains and services will be shown where available. • Other information: The Contractor shall be responsible for verifying the accuracy and extent of the information given.

185

A health and safety file for the site/building is available for inspection by appointment during normal office hours at the estates office.

200

Access to the site: Via the New Road entrance.

220

Use of the site:  Do not use the site for any purpose other than carrying out the works.

230

Surrounding land/building uses: In the surrounding areas there is Park land, Commercial buildings, Residential buildings and a Fire Station, to be considered during the works.

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PRELIMINARIES/GENERAL CONDITIONS

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A12: The Site and Existing Buildings 240

Risks to health and safety:  The nature and condition of the site/building cannot be fully and certainly ascertained before it is opened up. However the following risks are or may be present: Asbestos.  The accuracy and sufficiency of this information is not guaranteed by the employer or the CA and the contractor must ascertain any additional information required to ensure the safety of all persons and the works.

280

Site visit: before tendering, ascertain the nature of the site, access thereto and all local conditions and restrictions likely to affect the execution of the works.

290

Site visit may be made by contacting the Southampton Solent University Estate office, East Park Terrace, Southampton, Hampshire, SO14 0YN. Contact Tel No: 02380319307 out of hours No: 07815427686.

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A13: Description of the works 110

Preparatory work by others: The Clearing of the room, and its removable items comprising of tables, chairs, computer stack, computer desk, white board, projector, any other electrical equipment and radiators. [_________]

120

The work: The works consist of removal of all existing, and replacement of floor covering, suspended ceiling, wall covering, provisional item for asbestos removal , new projector and whiteboard. [_________]

150

Completion work by others: Refer to A13/110.

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A13: Tender/Sub-letting/Supply 110

SCOPE: These conditions are supplementary to those stated in the invitation to tender and on the Form of Tender.

120

TENDERING PROCEDURE will be in accordance with the principles of the 'Code of Procedure for Single Stage Selective Tendering' 1996.

161

EXCLUSIONS: If the Contractor cannot tender for any part(s) of the work as defined in the tender documents he must inform the CA as soon as possible, defining the relevant part(s) and stating the reasons for his inability to tender.

170

ACCEPTANCE OF TENDER: The Employer and his representatives:  Offer no guarantee that the lowest or any tender will be recommended for acceptance or accepted.  Will not be responsible for any cost incurred in the preparation of any tender.

191

PERIOD OF VALIDITY: Tenders must remain open for consideration (unless previously withdrawn) for not less than 13 weeks from the date fixed for the submission or lodgement of tenders. Information on the date for possession/commencement is given in section A20.

315

PROJECTS WITHOUT QUANTITIES: Tenders must include for all work shown or described in the tender documents as a whole or clearly apparent as being necessary for the complete and proper execution of the Works.

320

PRICING OF SPECIFICATION: Alterations and qualifications to the specification must not be made without the written consent of the CA. Tenders containing unauthorised alterations or qualifications may be rejected. Costs relating to items in the specification which are not priced will be deemed to have been included elsewhere in the tender.

331

THE PRICED SPECIFICATION must be submitted within one week of request.

341

ERRORS IN THE PRICED DOCUMENTS will be dealt with in accordance with the 'Code of Procedure for Single Stage Selective Tendering' 1996, Alternative 1 (the word 'documents' being substituted for 'bills of quantities').

501

TENDER STAGE METHOD STATEMENTS must be submitted within one week of request describing how and when the Contractor proposes and undertakes to carry out the following: : The works consist of removal of all existing, replacement of floor covering, suspended ceiling, wall finish, provisional item for asbestos removal , new projector and whiteboard. 

516

The Contractor may, at his discretion and at the same time, submit method statements for other parts of the Works.

ALTERNATIVE TIME TENDERS: N/A

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A13: Tender/Sub-letting/Supply 535

SUBSTITUTE PRODUCTS: If the Contractor wishes to substitute products of different manufacture to those specified, details must be submitted with the tender giving reasons for each proposed substitution. Substitutions which have not been notified at tender stage may not be considered. Substitutions sanctioned by the CA will be subject to the verification requirements of clause A31/200.

551

HEALTH AND SAFETY INFORMATION: A statement must be submitted with the tender describing the organisation and resources which the contractor proposes and undertakes to provide to safeguard the health and safety of operatives, including those of subcontractors and of any person who may be affected by the works, including:  A copy of the contractors health and safety policy document, including risk assessment procedures.  Accident and illness records for the past five years.  Records of previous Health and Safety Executive enforcement action.  Records of training and training policy.  The number and type of staff responsible for health and safety on this project with details of their qualifications and duties.

710

APPROVED FIRMS: Each of the types of work listed below is to be carried out by the firm stated or, where alternatives are given, one of the firms of the Contractor's choice. Re: to the appendix. Removal of asbestos to be carried out by: Smith ACM Removal Sargent Asbestos Removal Soton Asbestos Professionals

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PRELIMINARIES/GENERAL CONDITIONS

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A31: Provision, content and use of documents, definitions and interpretations 130

IN WRITING: When required to notify, inform, instruct, agree, confirm, obtain information, obtain approval or obtain instructions do so in writing.

140

APPROVAL (and words derived therefrom) means the approval in writing of the CA unless specified otherwise.

180

CROSS-REFERENCES TO THE SPECIFICATION:  Where a numerical cross-reference to a specification section or clause is given on drawings or in any other document the Contractor must verify its accuracy by checking the remainder of the annotation or item description against the terminology used in the referred to section or clause.  Where a numerical cross-reference is not given, the relevant section(s) and clause(s) of the specification will apply, cross-reference thereto being by means of related terminology.  Where a cross-reference for a particular type of work, feature, material or product is given, relevant clause(s) elsewhere in the referred to specification section dealing with general matters, ancillary products and workmanship also apply.  The Contractor must, before proceeding, obtain clarification or instructions in relation to any discrepancy or ambiguity which he may discover.

200

EQUIVALENT PRODUCTS:  Where the specification permits substitution of a product of different manufacture to that specified and such substitution is desired, before ordering the product notify the CA and, when requested, submit for verification documentary evidence that the alternative product is equivalent in respect of material, safety, reliability, function, compatibility with adjacent construction, availability of compatible accessories and, where relevant, appearance. Submit certified English translations of any foreign language documents. Any proposal for use of an alternative product must also include proposals for substitution of compatible accessory products and variation of details as necessary, with evidence of equivalent durability, function and appearance of the construction as a whole. If such substitution is sanctioned, and before ordering products, provide revised drawings, specification and manufacturer's guarantees as required by CA.

201

EQUIVALENT PRODUCTS: Wherever products are specified by proprietary name and the phrase 'or equivalent' is not included, it is to be deemed included.

225

REFERENCES TO BSI DOCUMENTS are to the versions and amendments listed in the BSI Standards Catalogue current at the date of tender.

270

SIZES: Unless otherwise stated:  Products are specified by their co-ordinating sizes.  Cross section dimensions of timber shown on drawings are nominal sizes before any required planing.

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PRELIMINARIES/GENERAL CONDITIONS

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A31: Provision, content and use of documents, definitions and interpretations 280

FIX ONLY means all labours in unloading, handling, storing and fixing in position, including use of all plant.

290

SUPPLY AND FIX: Unless stated otherwise all items given in the schedule of work and/or on the drawings are to be supplied and fixed complete. TERMS USED IN REFURBISHMENT/ALTERATION

311

REMOVE means disconnect, dismantle as necessary and remove the stated element, work or component and all associated accessories, fastenings, supports, linings and bedding materials, and dispose of unwanted materials. It does not include removing associated pipework, wiring, ductwork or other services.

321

KEEP FOR REUSE means:  During removal prevent damage to the stated components or materials, and clean off bedding and jointing materials.  Stack neatly, adequately protect and store until required by the Employer or for use in the Works as instructed.

331

REPLACE means:  Remove the stated existing components, features and finishes.  Provide and fit in lieu new components, features or finishes which, unless specified otherwise, must match those which have been removed.  Make good as necessary.

341

351

REPAIR means carry out local remedial work to components, features and finishes as found in the existing building, resecure or refix as necessary and leave in a sound and neat condition. It does not include: - Replacement of components or parts of components. - Redecoration. MAKE GOOD means carry out local remedial work to components, features and finishes which have been disturbed by other, previous work under this Contract and leave in a sound and neat condition. It does not include: - Replacement of components or parts of components. - Redecoration. The meaning of the term shall not be limited by this definition where used in connection with the defects liability provisions of the Contract.

361

EASE means make minor adjustments to moving parts of the stated component to achieve good fit in both open and closed positions and ensure free movement in relation to fixed surrounds. Make good as necessary.

371

TO MATCH EXISTING means use products, materials and methods to match closely all visual characteristics and features of the existing work, with joints between existing and new work as inconspicuous as possible, all to approval of appearance.

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A31: Provision, content and use of documents, definitions and interpretations DOCUMENTS PROVIDED ON BEHALF OF THE EMPLOYER 410

ADDITIONAL COPIES OF DRAWINGS: Two copies of drawings (not counting any certified copy of the Contract Drawings) will be issued to the Contractor free of charge. Additional copies will be issued on request but will be charged to the Contractor.

430

ADDITIONAL COPIES OF SPECIFICATION: After execution of the Contract, two copies of the Specification will be issued to the Contractor in accordance with the Contract. Additional copies will be issued on request, if available, but will be charged to the Contractor.

440

DIMENSIONS: The accuracy of dimensions scaled from the drawings is not guaranteed. Obtain from the CA any dimensions required but not given in figures on the drawings nor calculable from figures on the drawings.

460

THE SPECIFICATION: All sections of the specification must be read in conjunction with Main Contract Preliminaries/General conditions.

480

TECHNICAL DOCUMENTS: Copies of the following reference documents are available for inspection by appointment during normal office hours at the office of the CA. [_________]

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A32: Management of the works 115

CONSIDERATE CONSTRUCTORS SCHEME:  Before starting work register the site with the Considerate Constructors Scheme Office, PO Box 75, Great Amwell, Ware, SG12 9UY, tel/fax 01920 872837 and pay the appropriate fee.  Comply with the Scheme's Code of Considerate Practice.

120

INSURANCES: Before starting work on site submit documentary evidence and/or policies and receipts for the insurances required by the Conditions of Contract.

130

INSURANCE CLAIMS: If any event occurs which may give rise to any claim or proceeding in respect of loss or damage to the Works or injury or damage to persons or property arising out of the Works, forthwith give notice in writing to the Employer, the CA and the Insurers. Indemnify the Employer against any loss which may be caused by failure to give such notice.

150

OWNERSHIP: Materials arising from the alteration work are to become the property of the Contractor except where otherwise stated. Remove from site as work proceeds.

160

HARDCORE: Brick rubble or other hard materials arising from the work may be reused as hardcore, subject to compliance with specification.

212

PROGRAMME:  As soon as possible and before starting work on site prepare in an approved form a programme for the Works, which must make allowance for all: - Planning and mobilisation by the Contractor - Subcontractor's work - Running in, adjustment and testing of engineering services - Work resulting from instructions issued in regard to the expenditure of provisional sums - Work by others concurrent with the Contract  Submit five copies to CA.

261

CA'S SITE MEETINGS:  The CA will hold site meetings to review progress and other matters. Meetings will normally be held monthly.  Ensure the availability of accommodation and attend all such meetings.  The CA will chair the meetings and take and distribute minutes.

290

NOTICE OF COMPLETION: Give CA at least two weeks notice of the anticipated dates of practical completion of the whole or parts of the Works.

410

CASH FLOW FORECAST: As soon as possible and before starting work on site submit to the CA a forecast showing the gross valuation of the Works at the date of each Interim Certificate throughout the Contract period and based upon the programme for the Works.

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A32: Management of the works 420

EXISTING WORK: The extent and location of renewal of existing work must be agreed, at least on a provisional basis, with the CA before the work is started. Remove existing work in ways which will reasonably minimise the amount of removal and renewal.

430

ESTIMATED COST OF VARIATIONS: If the CA issues details of a proposed instruction with a request for an estimate of cost, submit such an estimate without delay and in any case within 7 days.

440

MEASUREMENTS: Give reasonable notice to the Quantity Surveyor before covering up work which the Quantity Surveyor requires to be measured.

461

INTERIM VALUATIONS: At least 7 days before the established dates for interim valuations submit to the contract administrator details of amounts due under the Contract together with all necessary supporting information

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A33: Quality Standards/Control, Materials and Work Generally 110

GOOD PRACTICE: Where and to the extent that materials, products and workmanship are not fully detailed or specified they are to be:  Of a standard appropriate to the Works and suitable for the functions stated in or reasonably to be inferred from the project documents, and  In accordance with relevant good building practice.

121

GENERAL QUALITY OF PRODUCTS:  Products to be new unless otherwise specified.  For products specified to a British or European Standard obtain certificates of compliance from manufacturers when requested.  Where a choice of manufacturer or source is allowed for any particular product, the whole quantity required must be of the same type, manufacture and/or source unless otherwise approved. Produce written evidence of sources of supply when requested.  Ensure that the whole quantity of each product required is of consistent kind, size, quality and overall appearance.  Where consistency of appearance is desirable ensure consistency of supply from the same source. Do not use different colour batches where they can be seen together.  If products are prone to deterioration or have a limited shelf life, order in suitable quantities to a programme and use in appropriate sequence. Do not use if there are any signs of deterioration, setting or other unsatisfactory condition.

131

141

PROPRIETARY PRODUCTS:  Handle, store, prepare and use or fix each product in accordance with its manufacturer's current printed or written recommendations. Inform CA if these conflict with any other specified requirement. Submit copies when requested.  The tender will be deemed to be based on the products specified and recommendations on their use given in the manufacturers' literature current at the date of tender.  Where British Board of Agrément certified products are used, comply with the limitations, recommendations and requirements of the relevant valid certificates. CHECKING COMPLIANCE OF PRODUCTS: Check all documentation and the products themselves to ensure compliance with the project documents. Where different types of any product are specified, check to ensure that the correct type is being used in each location. In particular, check that:  The sources, types, qualities, finishes and colours are correct, and match any approved samples.  All accessories and fixings which should be supplied with the products have been supplied.  Sizes are correct. Where tolerances are critical, measure a sufficient quantity to ensure compliance.  The delivered quantities are correct, to ensure that shortages do not cause delays in the work.  The products are clean, undamaged and in good condition.  Products which have a limited shelf life are not out of date.

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A33: Quality Standards/Control, Materials and Work Generally 151

161

PROTECTION OF PRODUCTS:  Prevent over-stressing, distortion and other damage.  Keep clean and free from contamination. Prevent staining, chipping, scratching or other disfigurement, particularly of products exposed to view in the finished work.  Keep dry to prevent premature setting, moisture movement and similar defects. Where appropriate store off the ground and allow free air movement between stored products.  Prevent excessively high or low temperatures and rapid changes of temperature in the products.  Protect adequately from rain, damp, frost, sun and other elements as appropriate. Ensure that products are at a suitable temperature and moisture content at time of use.  Ensure that sheds and covers are of ample size, in good weatherproof condition and well secured.  Keep different types and grades of products separately and adequately identified.  Keep products in their original wrappings, packings or containers, until immediately before they are used. Wherever possible retain protective wrappings after fixing and until shortly before Practical Completion.  Ensure that protective measures are fully compatible with and not prejudicial to the products/materials. SUITABILITY OF RELATED WORK AND CONDITIONS: Provide all trades with necessary details of related types of work. Before starting each type of work, ensure that:  Previous work is appropriately complete, in accordance with the project documents, to a suitable standard and in a suitable condition to receive the new work.  All necessary preparatory work has been carried out, including provision for services, openings, supports, fixings, damp proofing, priming and sealing.  The environmental conditions are suitable, particularly that the building is suitably weather tight.

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A33: Quality Standards/Control, Materials and Work Generally 171

191

GENERAL QUALITY OF WORKMANSHIP:  Operatives must be appropriately skilled and experienced for the type and quality of work.  Take all necessary precautions to prevent damage to the work from frost, rain and other hazards.  Inspect components and products carefully before fixing or using and reject any which are defective.  Fix or lay securely, accurately and in alignment.  Where not specified otherwise, select fixing and jointing methods and types, sizes and spacings of fastenings in compliance with section Z20.  Provide suitable, packings at screwed and bolted fixings to take up tolerances and prevent distortion. Do not over tighten.  Adjust location and fixing of components and products so that joints which are left open to view are even and regular.  Ensure that all moving parts operate properly and freely. Do not cut, grind or plane prefinished components and products to remedy binding or poor fit without approval. WATER FOR THE WORKS: If other than mains supply is proposed provide evidence of suitability. SAMPLE AND APPROVALS

211

SAMPLES: Where approval of a product is specified the requirement for approval relates to a sample of the product and not to the product as used in the Works. Submit a sample or other evidence of suitability. Do not confirm orders or use the product until approval of the sample has been obtained. Retain approved sample in good, clean condition on site. Ensure that the product used in the Works matches the approved sample.

230

APPROVALS: Where and to the extent that products or work are specified to be approved or the CA instructs or requires that they are to be approved, the same must be supplied and executed to comply with all other requirements and in respect of the stated or implied characteristics either:  To the express approval of the CA or  To match a sample expressly approved by the CA as a standard for the purpose.

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A33: Quality Standards/Control, Materials and Work Generally ACCURACY/SETTING OUT GENERALLY 321

SETTING OUT: Check the levels and dimensions of the site against those shown on the drawings, and record the results on a copy of the drawings. Notify CA in writing of any discrepancies and obtain instructions before proceeding.

322

SETTING OUT: Inform CA when overall setting out is complete and before commencing construction.

341

APPEARANCE AND FIT:  Arrange the setting out, erection, juxtaposition of components and application of finishes to ensure satisfactory fit at junctions, no practically or visually unacceptable changes in plane, line or level and a true, regular finished appearance.  Wherever satisfactory accuracy, fit and/or appearance of the work are likely to be critical or difficult to achieve obtain approval of proposals or of the appearance of the relevant aspects of the partially finished work as early as possible.

361

371

CRITICAL DIMENSIONS: Certain dimensions on the following drawings are noted as 'critical'; set out and construct the works to ensure compliance with the tolerances stated on the drawings: [_________] LEVELS OF STRUCTURAL FLOORS: Maximum tolerances for designed levels to be as follows:  Floors which are to be self-finished, and floors to receive sheet or tile finishes directly bedded in adhesive: +/- 10 mm.  Floors to receive dry board/panel construction with little or no tolerance on thickness: +/- 10 mm.  Floors to receive fully bonded screeds/toppings/beds: +/- 15 mm.  Floors to receive unbonded or floating screeds/beds: +/- 20 mm.

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A33: Quality Standards/Control, Materials and Work Generally SERVICES GENRALLY 410

SERVICES REGULATIONS: Any work carried out to or which affects new or existing services must be in accordance with the Bye Laws or Regulations of the relevant Statutory Authority.

420

SERVICE RUNS: Make adequate provision for services, including unobstructed routes and fixings. Wherever possible ducts, chases and holes are to be formed during construction rather than cut.

440

AND ELECTRICAL SERVICES must have final tests and commissioning carried out so that they are in full working order at practical completion. SUPERVISION/INSPECTION/DEFECTIVE WORK

550

560

570

DEFECTS IN EXISTING CONSTRUCTION to be reported to CA without delay. Obtain instructions before proceeding with work which may:  Cover up or otherwise hinder access to the defective construction, or  Be rendered abortive by the carrying out of remedial work. TIMING OF TESTS AND INSPECTIONS: Agree dates and times of tests and inspections with CA several days in advance, to enable the CA and other affected parties to be present. On the previous working day to each such test or inspection confirm that the work or sample in question will be ready or, if not ready, agree a new date and time. PROPOSALS FOR RECTIFICATION OF DEFECTIVE WORK/PRODUCTS:  As soon as possible after any part(s) of the work or any products are known to be not in accordance with the Contract, or appear that they may not be in accordance, submit proposals to CA for opening up, inspection, testing, making good, adjustment of the Contract Sum, or removal and re-execution. Such proposals may be unacceptable to the CA, and contrary instructions may be issued

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A33: Quality Standards/Control, Materials and Work Generally WORK AT OR AFTER COMPLETION 611

640

650

GENERALLY:  Make good all damage consequent upon the work.  Remove all temporary markings and protective coverings.  Clean the works thoroughly inside and out including all accessible ducts and voids, remove all splashes, deposits, efflorescence, rubbish and surplus materials.  Cleaning materials and methods to be as recommended by manufacturers of products being cleaned, and to be such that there is no damage or disfigurement to other materials.  Obtain COSHH dated data sheets for all materials used for cleaning and ensure they are used only as recommended by their manufacturers.  Touch up minor faults in newly painted/repainted work, carefully matching colour. Repaint badly marked areas back to suitable breaks or junctions.  Adjust, ease and lubricate moving parts as necessary to ensure easy and efficient operation, including doors, windows, drawers, ironmongery, appliances, valves and controls. SECURITY AT COMPLETION: Leave the Works secure with all accesses locked. Account for and adequately label all keys and hand over to Employer with itemised schedule, retaining duplicate schedule signed by Employer as a receipt. MAKING GOOD DEFECTS: Make arrangements with the contract administrator and give reasonable notice of the precise dates for access to the various parts of the Works for purposes of making good defects. Inform CA when remedial works to the various parts of the Works are completed.

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A34: Security/Safety/Protection 110

THE PRE-TENDER HEALTH AND SAFETY PLAN is integral with the project Preliminaries, including but not restricted to the sections set out below. Nature of the project: Sections A10 and A13. The existing environment: Section A12. Existing drawings: Section A11 and A12. The design: Section A34. Construction materials: Section A34. Site-wide elements: Section A12. Overlap with client's undertaking: Sections A34 and A36. Site Rules: Sections A34 and A35. Continuing liaison: Section A31.

114

Construction hazards arising from the design of the project include those identified below. Commonplace hazards which should be controlled by good management and good site practices are not listed. None that are not covered by the health and safety hand book.

117

121

HEALTH HAZARDS arising from the specified construction materials include those identified below. Commonplace hazards which should be controlled by good management and good site practices are not listed.  Hazard: Asbestos

THE CONSTRUCTION PHASE HEALTH AND SAFETY PLAN, developed from the Pretender Health and Safety Plan must be submitted to the CA not less than three weeks before the proposed date for start of construction work. Do not start construction work until the Employer has confirmed in writing that in his view the Construction Phase Health and Safety Plan includes the procedures and arrangements required by CDM Regulation 15(4). The plan must include:  Detailed proposals for managing health and safety during the construction phase together with site rules and emergency procedures.  Method statements related to the hazards identified in the pre-tender health and safety plan and/or statements on how the hazards will be addressed and other significant hazards identified by the contractor.

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PRELIMINARIES/GENERAL CONDITIONS

£

A34: Security/Safety/Protection 125

HSE APPROVED CODES OF PRACTICE: Comply with the following:  Management of health and safety at work.  Managing construction for health and safety.

130

SECURITY: Adequately safeguard the site, the Works, products, materials, plant, and any existing buildings affected by the Works from damage and theft. Take all reasonable precautions to prevent unauthorised access to the site, the Works and adjoining property.

140

STABILITY: Accept responsibility for the stability and structural integrity of the Works during the Contract, and support as necessary. Prevent overloading: details of design loads may be obtained from CA.

150

OCCUPIED PREMISES:  Existing buildings will be occupied and/or used during the Contract as follows: And adjacent rooms.  Carry out the Works without undue inconvenience and nuisance and without danger to occupants and users.  If it transpires that compliance with this clause requires certain operations to be carried out during overtime, and such overtime is not required for any other reason, the extra cost will be paid to the Contractor, provided that such overtime is authorised by the CA in advance.

165

OCCUPIER' S RULES AND REGULATIONS: Comply with the Occupier's Rules and Regulations affecting the site. Copies may be seen at SSU Estates office.

168

MOBILE TELEPHONES must not be switched on or used in the following area(s): The whole site.

170

180

EMPLOYER'S REPRESENTATIVES SITE VISITS: Inform the CA in advance of all safety provisions and procedures (including those relating to materials which may be deleterious) which will require the compliance of the Employer or his representatives when visiting the site. Provide protective clothing and/or equipment for the Employer and his representatives as appropriate. WORK IN HAZARDOUS AREAS: Operatives must take the following precautions when working in the area(s) listed below:  Work area: HC 105 Precautions: Health and Safety file, and to ensure means of escape are available in case of fire.

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PRELIMINARIES/GENERAL CONDITIONS

£

A34: Security/Safety/Protection PROTECT AGAINST THE FOLLOWING: 221

NOISE:  Comply generally with the recommendations of BS 5228: Part 1, clause 9.3 for minimising noise levels during the execution of the Works.  Noise levels from the works are to be kept below 8223:1999 dB (A) when measured from adjacent rooms.  Fit all compressors, percussion tools and vehicles with effective silencers of a type recommended by manufacturers of the compressors, tools or vehicles.  Do not use pneumatic drills and other noisy appliances during the hours between 08:30 till 18:30 without consent of the CA.  Do not use or permit employees to use radios or other audio equipment in ways or at times which may cause nuisance.

231

POLLUTION: Take all reasonable precautions to prevent pollution of the site, the Works and the general environment including streams and waterways.

236

USE OF PESTICIDES: will not be permitted.

240

NUISANCE: Take all necessary precautions to prevent nuisance from smoke, dust, rubbish, vermin and other causes.

250

260

ASBESTOS BASED MATERIALS: Report immediately to the CA any suspected asbestos based materials discovered during demolition/refurbishment work. Avoid disturbing such materials. Agree with the CA methods for safe removal or encapsulation. FIRE PREVENTION: Take all necessary precautions to prevent personal injury, death, and damage to the Works or other property from fire. Comply with Joint Code of Practice 'Fire Prevention on Construction Sites' published by the Building Employers Confederation, the Loss Prevention Council and the National Contractors' Group.

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PRELIMINARIES/GENERAL CONDITIONS

£

A34: Security/Safety/Protection 263

265 280

285

290

FIRE PREVENTION: Smoking will not be permitted on the site except in designated areas which must be carefully controlled equipped with fire fighting equipment and receptacles for the safe disposal of smokers materials and inspected to guard against risk of fire. BURNING ON SITE: of materials arising from the work will not be permitted. MOISTURE: Prevent the work from becoming wet or damp where this may cause damage. Dry out the Works thoroughly. Control the drying out and humidity of the Works and the application of heat to prevent:  Blistering and failure of adhesion.  Damage due to trapped moisture.  Excessive movement. INFECTED TIMBER: Where instructed to remove timber affected by fungal/insect attack from the building, do so in a way which will minimise the risk of infecting other parts of the building. WASTE:  Remove rubbish, debris, surplus material and spoil regularly and keep the site and Works clean and tidy.  Remove all rubbish, dirt and residues from voids and cavities in the construction before closing in.  Ensure that non-hazardous material is disposed of at a tip authorised by a Waste Regulation Authority.  Remove all surplus materials and their containers regularly for disposal off site in a safe and competent manner as approved by a Waste Regulation Authority and in accordance with relevant regulations.  Retain waste transfer documentation on site.

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PRELIMINARIES/GENERAL CONDITIONS

£

A34: Security/Safety/Protection PROTECT THE FOLLOWING:

410

421

WORK IN ALL SECTIONS: Adequately protect all types of work and all parts of the Works, including work carried out by others, throughout the Contract. Wherever work is of an especially vulnerable nature or is exposed to abnormal risks provide special protection to ensure that damage does not occur. EXISTING SERVICES:  Notify all service authorities and adjacent owners of the proposed works not less than one week before commencing site operations.  Before starting work check positions of existing services.  Observe service authorities' recommendations for work adjacent to existing services. Do not interfere with their operation without consent of the service authorities or other owners.  If any damage to services results from the Works, notify CA and appropriate service authority without delay. Make arrangements for making good without delay to the satisfaction of the service authority or other owner as appropriate.  Replace marker tapes or protective covers disturbed by site operations to the service authority's recommendations.

430

ROADS AND FOOTPATHS: Adequately maintain roads and footpaths within and adjacent to the site and keep clear of mud and debris. Any damage to roads and footpaths caused by site traffic or otherwise consequent upon the Works must be made good to the satisfaction of the Local Authority or other owner. Bear any costs arising.

440

RETAINED TREES/HEDGES/SHRUBS/GRASSED AREAS:  Adequately protect and preserve, except those which are to be removed. Replace to approval or treat as instructed any species or areas damaged or removed without approval.  Mature trees and shrubs which, due to the Contractor's negligence, are uprooted, destroyed, or in the opinion of the CA, damaged beyond reasonable chance of survival in their original shape, must be replaced with those of a similar type and age at the Contractor's expense.

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PRELIMINARIES/GENERAL CONDITIONS

£

A34: Security/Safety/Protection 470

EXISTING FURNITURE, FITTINGS AND EQUIPMENT: Prevent damage to any furniture, fittings or equipment left in the existing property. Move as necessary to enable the Works to be executed, cover and protect as necessary and replace in original positions. The following items will be removed by the Employer before work in each room starts: Room: HC 105 Items to be removed by Employer : Tables, chairs, computer stack, computer desk, white board and projector, and any other electrical equipment.

475

ESPECIALLY VALUABLE/VULNERABLE ITEM(S): Ensure the provision and maintenance of special protective measures to prevent damage to the following:  Item: Windows Method of protection: temporary screen  Item: Fire Alarm Method of protection: Plastic Sheeting

481

ADJOINING PROPERTY: Prevent trespass of workpeople. Take all reasonable precautions to prevent damage to adjoining property. Obtain permission as necessary from the owners if requiring to erect scaffolding on or otherwise use adjoining property, and pay all charges. Clear away and make good on completion or when directed. Bear the cost of repairing any damage arising from execution of the Works.

490

EXISTING STRUCTURES:  Provide and maintain during the execution of the Works all incidental shoring, strutting, needling and other supports as may be necessary to preserve the stability of existing structures on the site or adjoining that may be endangered or affected by the Works.  Support existing structure as necessary during cutting of new openings or replacement of structural parts.  Do not remove supports until new work is strong enough to support the existing structure. Prevent overstressing of completed work when removing supports.

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PRELIMINARIES/GENERAL CONDITIONS

£

A35: SPECIFIC LIMITATIONS ON METHOD/SEQUENCE/TIMING 130

METHOD/SEQUENCE OF WORK: N/A [_________]

140

ACCESS TO THE SITE: See section A12.

150

USE OF THE SITE: See section A12.

155

SCAFFOLDING: Ensure that standing scaffolding is erected early enough and/or dismantled late enough to suit the programmes of all subcontractors.

170

USE OR DISPOSAL OF MATERIALS: At the end of each working day all rubbish must

be tidied into the skip and once the skip is full it must be taken off of the premises and disposed of legally. [_________] 190 191 192

Working hours: 05.30- 00.00 Noisy works: Between 05.30-07.30 and/or 19.30-00.00 Quiet works: 05.30- 00.00

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PRELIMINARIES/GENERAL CONDITIONS

£

A36: Facilities/Temporary work/Services 110

LOCATIONS: Inform CA of the intended siting of all spoil heaps, temporary works and services.

120

MAINTAIN, alter, adapt and move temporary works and services as necessary. Remove when no longer required and make good.

281

EXISTING ACCOMMODATION: The existing building may not be used as temporary accommodation.

320

TEMPORARY FENCE(S): Around compound.

330

TEMPORARY HOARDING(S): Around major works.

340

TEMPORARY SCREEN(S): Doorways and windows.

361

410

NAME BOARD: Obtain approval for and provide a suitable temporary name board displaying:  Title of project.  Name of Employer.  Names of Consultants as follows: Contract Administrator: Alice Morice  If the Contractor wishes, names of Contractor and Subcontractors. LIGHTING: During finishing work and inspection provide temporary lighting, the intensity and direction of which closely resembles that provided by the permanent installation.

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PRELIMINARIES/GENERAL CONDITIONS

£

A36: Facilities/Temporary work/Services 431

WATER for the Works will be supplied free of cost to the Contractor. Nature of supply: Cold mains water.

442

TELEPHONES: Provide as soon as practicable after the Date of Possession a joint temporary on site telephone for use by the Contractor, Subcontractors and those acting on behalf of the Employer. Make arrangements (e.g. an external bell) to ensure that incoming calls are answered reasonably promptly. Allow for the cost of a modest number of calls made by those acting on behalf of the Employer.

445

TELEPHONES: Provide as soon as practicable a means of direct telephone communication with the Contractor's person-in-charge.

461

TEMPERATURE AND HUMIDITY: The permanent heating installation may be used for drying out the Works and controlling temperature and humidity levels, but:  The Employer does not undertake that it will be available.  The Contractor must take responsibility for operation, maintenance and remedial work, and arrange supervision by and indemnification of the appropriate Subcontractors, and pay costs arising.

500

METER READINGS: Where charges for service supplies need to be apportioned ensure that meter readings are taken by relevant authority at possession and/or completion as appropriate. Ensure that copies of readings are supplied to interested parties.

511

THERMOMETER: Provide on site and maintain in accurate condition a maximum and minimum thermometer for measuring atmospheric shade temperature, in an approved location.

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PRELIMINARIES/GENERAL CONDITIONS

£

A37: OPERATION/MAINTANENCE OF THE FINISHED BUILDING To be read with Preliminaries/General conditions. 115

THE BUILDING MANUAL:  The Building Manual (incorporating the Health and Safety File and subtitled accordingly) is to be a comprehensive information source and guide for the Employer and end users providing a complete understanding of the building and its systems and enabling it to be operated and maintained efficiently and safely. The Contractor is required to obtain or prepare all the information to be included in the Manual, produce the required number of copies of the Manual and submit them to the CA for checking by the Planning Supervisor and for delivery to the Employer.  The Manual is to consist of the following three parts: PART 1: GENERAL INFORMATION: Content as clause 123, the information being provided to the Contractor by the CA. PART 2: BUILDING FABRIC INFORMATION: Content as clause 130, plus certain as-built drawings and other information provided to the Contractor by the CA. PART 3: BUILDING SERVICES INFORMATION: Content as clause 145.  The presentation of the Manual is to be as clause 155.  A complete draft of the Manual must be submitted to the CA for comment not less than three weeks before the date for submission of the final copies of the Manual. Do not proceed with production of the final copies of the Manual until authorised to do so by the CA.  Final copies of the Manual: Provide the CA with five copy/copies not less than two weeks before Practical Completion.

118

THE HEALTH AND SAFETY FILE is an information source and guide for the Employer and end users providing an understanding of the building and its systems and enabling it to be operated and maintained safely. Provide the Planning Supervisor, with two copy/copies of the information required below not less than two weeks before Practical Completion.  A full description of each of the building services systems installed written to ensure that the Employer's staff fully understand the scope and facilities provided.  Operating and maintenance instructions for all equipment and systems installed.  Copies of manufacturers current technical literature and COSHH dated data sheets for all materials, plant and equipment selected by the Contractor.

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PRELIMINARIES/GENERAL CONDITIONS

£

A37: OPERATION/MAINTANENCE OF THE FINISHED BUILDING 123

130

145

155

THE BUILDING MANUAL PART 1: GENERAL INFORMATION must include:  A description of the buildings.  Details of ownership and all consultants and designers.  Details of all Authorities plus copies of all consents and approvals obtained.  Names, addresses, telephone and fax numbers of all contractors, subcontractors, suppliers and manufacturers.  The fire safety strategy for the buildings(s) including drawings showing emergency escape routes, location of emergency and fire fighting systems, services shutoff valves, switches, etc. valves, switches, etc. THE BUILDING MANUAL PART 2: BUILDING FABRIC INFORMATION: Provide such information as is reasonably required by the Planning Supervisor including:  Copies of manufacturers current literature for all products for which the particular proprietary brand has been chosen by the Contractor, including COSHH dated data sheets and manufacturers recommendations for cleaning and maintenance.  Copies of all guarantees, warranties and maintenance agreements offered by subcontractors and manufacturers.  Copies of all test certificates and reports required in the specification. THE BUILDING MANUAL PART 3: BUILDING SERVICES INFORMATION must include:  A full description of each of the systems installed including their mode of operation, written to ensure that the Employer's staff fully understand the scope and facilities provided.  Diagrammatic drawings of each system indicating principal items of plant, equipment, valves etc.  The name, address and telephone number of the manufacturer of every item of plant and equipment together with catalogue list numbers.  Manufacturers technical literature for all items of plant and equipment, including operating and maintenance instructions.  A copy of Test Certificates for all items of plant and equipment used in the installation.  A copy of all manufacturers guarantees, warranties and maintenance agreements offered by subcontractors and manufacturers.  Emergency procedures, including telephone numbers for emergency services. PRESENTATION OF BUILDING MANUAL: The Manual is to be contained A4 size, plastic in covered, loose leaf, four ring binders with hard covers, indexed, divided and appropriately cover titled. Selected drawings larger than A4, are to be folded and accommodated in the binders so that they may be unfolded without being detached from the rings.

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PRELIMINARIES/GENERAL CONDITIONS

£

A37: OPERATION/MAINTANENCE OF THE FINISHED BUILDING 225

TRAINING: Before Practical Completion explain and demonstrate the operation of the installation to the Employer's representatives.

230

SPARE PARTS: At least two weeks before Practical Completion submit to the CA a schedule of spare parts that the Contractor recommends should be obtained and kept in stock by the Employer for maintenance of the services installations. State against each item the manufacturers current price, including packaging and delivery to site.

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PRELIMINARIES/GENERAL CONDITIONS

£

A50: WORK/MATERIAL BY/ON BEHALF OF THE EMPLOYER 110

N/A

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PRELIMINARIES/GENERAL CONDITIONS

£

A53: WORK BY STATUTORY AUTHORITIES/UNDERTAKERS 110

DRAINAGE WORK by the Local Authority: N/A

130

WATER MAINS SERVICES by the Statutory Undertaker: N/A

140

GAS MAINS SERVICES by the Statutory Undertaker: N/A

150

ELECTRICITY MAINS SERVICES by the Statutory Undertaker: N/A

160

TELEPHONE MAINS SERVICES by the Statutory Undertaker: N/A

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PRELIMINARIES/GENERAL CONDITIONS

£

p

3000

00

A54: Provisional Work 590

CONTINGENCIES: This sum is a contingency against unforeseen works arising from the proposed works specified in these documents. The above sums or any part of the above sums shall be expended only with or on the express permission and written instruction of the CA. Include the Provisional Sum of £3,000.00……………………………………………………….

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Schedule of Works Contents Page 1.0 Ceiling K40

2.0 Wall Coverings M60, M20 and M50

3.0 Flooring M50 and M10

4.0 Provisional and PC Sums

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B: SCHEDULE OF WORKS AND PRICE COLLECTION

£

1.0: Ceiling K40 Third Floor HC building

1.01

Firstly allow for provisionally clearing of all of the rooms. This will include the furniture and apparatus that is not secured or fixed. Remove all to the safe store within the university campus boundary advised by the SSU Estates Office before removal. RE: A34/470

1.02

Provisionally allow for removal of all fixed items and apparatus in each room. Remove all to the safe store within the university campus boundary advised by the SSU Estates Office before removal. RE: A34/470

1.03

Provisionally allow to decommission all of the services within each room including – all electrical services, all heating apparatus, all visual and communication apparatus. Make safe all of the connections and leave in safe condition. Remove all to the safe store within the university campus boundary advised by the SSU Estates Office before removal. RE: A34/470.

1.04

Take down all existing suspended ceiling (RE: A35/130) and lighting systems (RE: A36/410). Install new suspended ceiling system to manufacturer’s recommendations and guidance Re: K40.

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B: SCHEDULE OF WORKS PRICE COLLECTION

£

2.0: Wall Coverings M60 Third Floor HC Building 2.01

2.02

2.03

Provisionally allow for removal of all items fixed to the walls – White board, display boards, switches and signs. Remove all to the safe store within the university campus boundary advised by the SSU Estates Office before removal. RE: A34/470.

Provisionally allow for removal of skirting boards. Remove all to the safe store within the university campus boundary advised by the SSU Estates Office before removal. RE: A34/470. Provisionally allow for isolated repairs to the walls M20. Skim all of the walls with plaster M20 in preparation for applying final paint finish Re: M60. Apply new paint finish to manufacturer’s recommendations and guidance Re: M60. Install new skirting boards to manufacturer’s recommendations and guidance Re: M50.

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B: SCHEDULE OF WORKS PRICE COLLECTION

£

3.0: Flooring M50 Third floor HC building 3.01

Provisionally allow for isolated repairs to the screed base where the screed base has previously failed or been damaged Re: M50. 3.01.1 3.01.2

3.02

Allow for three number repairs at £__.__p per 1 square meter Allow for three number repairs at £__.__p per ½ square meter

Take up all existing floor coverings and prepare existing base to receive new base (RE: A35/130). Apply self-levelling compound (a screed M10) in preparation of receiving new floor coverings Re: M50. Lay new floor coverings to manufacturers recommendations and guidance Re: M50.

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B: SCHEDULE OF WORKS PRICE COLLECTION

£

p

£3000

00

Provision and fitting of new projector and white board from the Accurate AV Range……... ……………………………………………………………………………………………...Profit %

£1200

00

Lighting – to be selected and fitted from the JCS Range……………………………………… ………………………………………………………………………………………………Profit %

£2000

00

TOTAL……………...

£6200

00

£3000

00

4.0: Provisional and PC Sums Note: all prime costs and provisional sums may be deducted in whole or in part if not required, without compensation to the Contractor. Provisional Sums Asbestos Removal – Allow provisional sum for controlled asbestos removal (Re: C10)………………………………………………………………………………………………….. PC Sums

Total Project Budget……………………………………………………………………………….. Contingency (at 10%)………………………………………………………………………………

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MATERIALS AND WORKMANSHIP CONTENTS C10 Demolishing/Alteration of structures

M10 Screeds

M20 Plastered Coatings

M50 Floor Coverings

M60 Painting/Clear Finish

K40 Ceilings

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To be read with Preliminaries/General conditions.

GENERAL REQUIREMENTS

110

SURVEY: Before starting work, examine all available information, carry out a survey of the structure(s), site and surrounding area, and submit a survey report and method statements to the CA covering all relevant matters listed below and in the Health and Safety Executive Guidance Note GS29/1 paragraph 32:

  

The form, condition and removal methods of the structure(s). The form, location and removal methods of any toxic or hazardous materials. The type and location of adjoining or surrounding premises, which may be adversely affected by noise, vibration, dust or removal of structure. The identification and location of services above and below ground.

120

EXTENT OF Removal of Elements: Subject to the retention of features, facades, structures, retaining walls, etc., specified elsewhere, remove elements as:

All existing Timber and Metal framed windows, balcony doors at ground floor and all communal windows. All other elements as necessary in-conjunction with the works.

150

FEATURE (S) TO BE RETAINED: The following are to be kept in place protected: All existing apertures and surrounds. Existing Concrete Lintels.

and adequately

SERVICES AFFECTED BY REMOVAL

210

SERVICES REGULATIONS: Any work carried out to or which affects new or existing services must be in accordance with the byelaws or regulations of the relevant statutory authority.

220

LOCATION OF SERVICES: Locate and mark the positions of services affected by the work. Arrange with the appropriate authorities for the location and marking of the positions of mains services.

230

DISCONNECTION OF SERVICES: Before starting demolition arrange with the appropriate authorities for the disconnection of services and removal of fittings and equipment.

250

DRAINS IN USE: Protect drains, manholes, gullies, vent pipes and fittings still in use and ensure that they are kept free of debris at all times. Make good any damage arising from demolition work and leave clean and in working order at completion.

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270

SERVICES WHICH ARE TO REMAIN: Notify the CA and service authority or owner of any damage. Make all arrangements for repair to the satisfaction of the CA and service authority or owner. Bear any costs arising.

DEMOLITION/ALTERATION/REMOVAL WORK

310

WORKMANSHIP GENERALLY:

Demolish/ALTER/REMOVE structure(s) in accordance with BS 6187 and Health and Safety Executive Guidance Notes GS29/1, 3 and 4. Operatives must be appropriately skilled and experienced for the type of work and hold or be training to obtain relevant CITB Certificates of Competence. Site staff responsible for supervision and control of the work shall be experienced in the assessment of the risks involved and in the methods of demolition to be used.

 

320

GAS/VAPOUR RISKS: Take all precautions to prevent fire or explosion caused by gas/vapour.

330

DUST: Reduce dust by periodically spraying demolition works with water.

340

HEALTH HAZARDS: Take adequate precautions to protect site operatives and the general public from health hazards associated with dangerous fumes and dust arising during the course of the Works.

350

ADJOINING PROPERTY:

When demolishing/Altering structure(s) against adjoining property leave adequate temporary support and protection at each stage and arrange for inspection by the CA. Maintain and alter temporary supports and protection as necessary as work progresses. Demolish structure(s) causing a minimum of damage to adjoining property and leave no unnecessary or unstable projections. Do not disturb support to foundations of adjoining property unless otherwise instructed. Report to the CA any defects exposed or becoming apparent in adjoining property. Promptly repair any damage caused to adjoining property by demolition work. Make good to ensure safety, stability, weather protection and security.

   

360

STRUCTURE(S) TO BE RETAINED:

 

Adequately protect parts of existing structure(s), which are to be kept in place. Cut away and strip out the minimum necessary and with care to reduce the amount of disturbance and making good to a minimum. Prevent debris from overloading any part of the structure, which is not to be demolished. Remove debris from site as work proceeds and do not allow debris to build up or store on site.

380

DANGEROUS OPENINGS: Illuminate and protect as necessary.

391

ASBESTOS BASED MATERIALS: Report immediately to the CA any suspected asbestos based materials discovered during demolition work. Avoid disturbing such materials. Agree with

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the CA methods for safe removal.

440

COMPLETION: Clear away all debris and leave the site in a tidy condition on completion.

MATERIALS ARISING

510

M10

OWNERSHIP: Components and materials arising from the demolition are to become the property of the Contractor except where otherwise provided. Remove all debris from site as work proceeds and do not allow debris to accumulate on site.

CEMENT SCREEDS

To be read with Preliminaries/General conditions.

TYPE(S) OF SCREED/TOPPING

130

PROPRIETARY QUICK DRYING SCREED TO [_________]

   

Base: [TBC / Existing concrete base[_________]________] Construction: [Bonded as clause 260._________] Reinforcement for crack control: [_________] Manufacturer and reference: [_________] Cement: Portland to BS 12, class 42.5. Sand: To BS 882, grading limit M, but with not more than 10% passing sieve size 150 micrometres. Coarse aggregate: To BS 882, TBC mm single sized. Mix proportions: [_________]

  

Other requirements: [_________] Finish: as manufacturers recommendations to receive new rubber floor tiles. [_________] Soundness: Test to BS 8204:Part 1. Maximum depth of indentation: 2 mm.

GENERALLY/PREPARATION

210

SUITABILITY OF BASES: Before starting work ensure that:

Bases are such as to permit specified levels and flatness/regularity of finished surfaces, bearing in mind the permissible minimum and maximum thicknesses of the screed/topping. Bases are sound and free from significant cracks and gaps.

 Ref No: AM/01/SU

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 

Bases are clean and free from plaster, dirt, dust and oil. Concrete slabs to receive fully or partially bonded construction have been allowed to dry out by exposure to the air for not less than 6 weeks.

220

PROPRIETARY SCREEDS/TOPPINGS: Where any screed/topping is described as 'proprietary', all materials, mix proportions, mixing methods, minimum/maximum thicknesses and workmanship must be in accordance with the recommendations of the stated manufacturer even though that manufacturer may not supply all of the required materials.

250

CONDUITS UNDER FLOATING SCREEDS: Haunch up in 1:4 cement:sand on both sides of conduits before laying insulation for floating screeds.

251

CONDUITS which are to be cast into or under screeds:

 

Overlay with 500 mm wide strip of steel fabric to BS 4483, reference D49, or Welded mesh manufactured in rolls from mild steel wire not less than 1.5 mm diameter to BS 1052, mesh size 50 x 50 mm. Place the reinforcement at mid depth between the top of the conduit and the screed surface.

260

FULLY BONDED CONSTRUCTION:

Shortly before laying screed/topping completely remove mortar matrix from surface to expose coarse aggregate over entire area of hardened base using abrasive blasting or, for in situ slabs only, pneumatic scabbling. Remove all dust and debris and wash clean. Keep surface well wetted for several hours before laying screed/topping. Remove free water then brush in a slurry bonding coat of creamy consistency. Slurry: ]

As an alternative to wetting and slurrying, prepare, prime as necessary and apply a bonding agent to manufacturer's recommendations. Bonding agent: [_________]

Lay screed/topping while slurry or bonding agent is still wet to ensure a good bond.

BATCHING/MIXING/LAYING

310

BATCHING: Proportions of mixes made with dense aggregates are specified by weight and, where practicable, should be batched by weight. Volume batching will be permitted on the basis of the previously established weight:volume relationship(s) of the particular materials and using accurate gauge boxes. Allow for bulking of damp sand.

330

MIXING:

 

Do not use admixtures containing calcium chloride. Water content of mixes to be the minimum necessary to achieve full compaction, low enough to prevent excessive water being brought to the surface during compaction. Mix materials thoroughly to a uniform consistence. Mixes other than no-fines must be mixed in a suitable forced action mechanical mixer. Do not use a free fall type (drum) mixer. Use while sufficiently plastic for full compaction.

 

Ref No: AM/01/SU

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Use ready-mixed retarded screed mortar within the working time and site temperatures recommended by the manufacturer. Do not retamper..

340

ADVERSE WEATHER:

 

Do not lay screeds/toppings unless their surface temperature can be maintained above 5 degC for not less than 4 days thereafter. In hot weather reduce the time between operations or use other measures to prevent premature setting or drying out.

350

JOINTS IN SCREEDS: Unless otherwise specified:

 

Cast screeds continuously, as far as possible without defined joints, using 'wet screeds' between strips or bays. Obtain approval for positions of bay joints. Form day joints with a vertical edge.

360

JOINTS IN TOPPINGS:

Unless otherwise specified, bay sizes to be not more than 4 sq m, ratio of length to breadth not more than 3:2, a joint occurring over every construction joint in the base slab. Where location of bay joints is not shown on drawings obtain approval before starting work. Forms to be square edged with steel top surfaces, securely fixed. Compact thoroughly at edges to give level, closely abutted joints with no lipping. Alternatively, toppings may be cast continuously, bay joints being formed with approved plastics or metal dividing strips.

  

370

LEVELS OF FLOOR SCREEDS/TOPPINGS: Permissible deviation in level of surface of screeds (allowing for thickness of coverings) and toppings from datum: +/-10 mm.

380

FLATNESS/REGULARITY OF FLOOR SCREEDS: Sudden irregularities are not permitted. When measured with a slip gauge to BS 8204:Part 1, Figure 3 or equivalent, the variation in gap under a straightedge (with feet) placed anywhere on the surface to be not more than the following:

 

Screeds to receive toppings or beds 15-30 mm thick: 10 mm under a 3 m straightedge Screeds to receive mastic asphalt flooring/underlays: 5 mm under a 3 m straightedge

Screeds to receive sheet or tile finishes bedded in adhesive: 5 mm under a 3 m straightedge 2 mm under a 1 m straightedge

385

FLATNESS/REGULARITY OF TOPPINGS [_________] Sudden irregularities not permitted. When measured with a slip gauge to BS 8204:Part 1, Figure 3 or equivalent, the variation in gap under a straightedge (with feet) placed anywhere on the surface to be not more than the following: 3 mm under a 3 m straightedge; 1 mm under a 1 m straightedge.

400

Ref No: AM/01/SU

COMPACTION OF SCREEDS: Compact proprietary screeds using methods recommended by

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the manufacturer. Compact other screeds as follows:  

410

Compact screed layer(s) thoroughly by mechanical means (e.g. plate vibrator) or, where this is not practicable, by hand using a handrammer or weighted roller. Lay screeds over 50 mm thick in two layers of approximately equal thickness. Roughen the surface of the compacted lower layer and immediately lay the upper layer.

COMPACTION OF TOPPINGS: Compact proprietary toppings using methods recommended by the manufacturer. Compact other toppings thoroughly with a double beam vibrator or plate vibrator.

FINISHING/CURING

510

TIMING: Carry out all finishing operations at optimum times in relation to the setting and hardening of the material. Do not wet surfaces to assist surface working. Do not sprinkle cement onto surface.

540

TROWELLED FINISH to receive applied floor finishes:

 

Float to an even surface with no ridges or steps. Hand or power trowel to give a uniform smooth but not polished surface free from trowel marks and other blemishes, and suitable to receive the specified flooring material. If, because of inadequate finishing or protection, the surface of the screed is not suitable to receive the specified flooring material, it must be made good by application of a smoothing compound by and to the satisfaction of the flooring subcontractor. Allow for the cost of any such making good.

660

M20

PROTECTION: Adequately protect screeds/toppings from damage and contamination by subsequent building operations

PLASTERED/RENDERED COATINGS

To be read with Preliminaries/General conditions.

TYPE(S) OF COATING

200

GYPSUM PLASTER ON CEMENT BASED UNDERCOAT(S):

  

Location: To internal window surrounds and adjacent walls. Background: Existing surfaces/Brickwork. Undercoat(s): One of the following mixes, in each case using sand to BS 1199, type A: - Cement: lime: sand, cement and using ready-mixed lime: sand to BS 4721. - Cement: sand and plasticizer, using cement and an air-entraining admixture to BS 4887: Part

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1. THISTLE UNIVERSAL FINISH-Class B, BS 1191: Part 1: 1973.

438

CEMENT: As specified in the type of coating clause(s).

Where Portland cement is specified Portland blast furnace cement or Portland pulverized-fuel ash cement may be used as an alternative. Where Portland cement, Portland blast furnace cement, Portland pulverized-fuel ash cement or Sulphate-resisting Portland cement is specified use Class 2.5 or 52.5 material as defined by the appropriate British Standard. All cements must comply with the appropriate British Standard and be licensed under the BSI Kitemark scheme for cement.

 

449

ADMIXTURES:

  

Do not use unless specified or approved. Do not use admixtures of any type with proprietary mixes. Do not use calcium chloride or any admixtures containing calcium chloride.

453

MIXING:

Measure materials accurately by volume using clean gauge boxes. Proportions of specified mortar mixes are for damp sand. Adjust proportions if dry sand is used. Mix materials thoroughly to a uniform consistency and appearance using suitable mechanical or manual means or, for proprietary mixes, as recommended by the manufacturer. Do not over mix gypsum plasters or cement gauged mixes containing air entraining admixtures.

 

458

CONTAMINATION: Do not allow contamination of one type of material by another, or by any set material.

469

CLEANLINESS: Protect thoroughly all existing work and approaches using suitable boards, sheets, etc. Clean off all droppings on to finished work immediately.

474

COLD WEATHER:

Do not carry out external work when air temperature is below 3°C and falling or below 1°C and rising. Take all necessary precautions to enable internal coating work to proceed without damage when air temperature is below 3°C. Do not use frozen materials and do not apply coatings to frozen or frost bound backgrounds.

 

PREPARING BACKGROUNDS

507

ACCEPTANCE OF BACKGROUNDS: Before preparation or application of coatings ensure that:

Backgrounds are secure, adequately true and level to achieve specified tolerances, free from contamination and loose areas, reasonably dry and in a suitable condition to receive specified coatings. Allow for all dubbing out and making good.

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All cutting, chasing, fixing of concealed conduits, service outlets and the like, and making good of the Back ground, is completed.

511

PREPARATION GENERALLY:

 

Remove efflorescence, dust and other loose material by thoroughly dry brushing. Remove all traces of paint, grease, dirt and other materials incompatible with coating by scrubbing with water containing detergent and washing off with plenty of clean water. Allow to dry before applying coatings unless specified otherwise.

515

KEYING/BONDING: Prepare backgrounds as specified for the type of coating to be applied. Methods other than those specified may be submitted for approval.

541

BONDING AGENT:

  

Type: To confirm but to be approved proprietary product. SBR 47 Dilute to manufacturer's recommendations. Apply subsequent plaster/render coating whilst bonding agent is still tacky to ensure a good bond.

566

REPAIRING EXISTING PLASTER:

Remove plaster that is loose, soft, friable, badly cracked or affected by efflorescence. Gently tap all remaining intact surfaces and remove hollow sounding areas of plaster, unless otherwise agreed with the CA. Remove stained plaster to 300 mm beyond last point of visible staining, unless otherwise agreed with the CA. Cut back to straight horizontal and vertical edges. Advise CA if any built-in timbers, structural deficiencies or sources of damp are revealed. Thoroughly dry brush the background and edges to remove dust, loose material and efflorescence.

   

599

REPAIRING FINAL COAT PLASTER ON SOUND UNDERCOAT:

Carefully remove area(s) of loose or flaking final coat plaster. Brush clean background plaster to repair area and apply PVAC sealer to control suction. Final coat plaster:

640     

Ref No: AM/01/SU

BEADS/STOPS GENERALLY: TO EXTERNAL BAYS AS BACKGROUND. Manufacturer and reference: TO BE FROM THE CATNIC RANGE OF PLASTERER’S BEADS. Provide beads/stops at all external angles and stop ends except where specified otherwise. Cut neatly, form mitres at return angles and remove sharp edges, swarf and other potentially dangerous projections. Fix securely, using the longest possible lengths, plumb, square and true to line and level, ensuring full contact of wings with background. Use mechanical fixings for external beads/stops. After coatings have been applied, remove coating material while still wet from surfaces of beads/stops, which are to be exposed to view.

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880

DRYING:

 

Work in the shade and out of drying winds whenever possible. Keep each undercoat and final coat damp for the first 3-4 days by covering with polyethylene sheet and/or spraying with water. Hang sheeting clear of the final coat where it is the final finish. Thereafter prevent from drying out too rapidly. Allow each coat to dry out thoroughly to ensure that drying shrinkage is substantially complete before applying next coat.

890

M50

PROTECTION: Adequately protect newly applied external coatings against frost and rain for the first 48 hours using polyethylene sheet hung clear of the face, or other approved method

FLOOR COVERINGS - CARPET TILING

To be read with Preliminaries/General conditions.

TYPE(S) OF COVERING

110

FLOOR TILING:  

Location: HC 105 Base: Cement screed. Preparation: Latex/Hardit Levelling compound over existing or new screed. Allow for liquid based DPM over complete floor areas.

Tiles: Montana Contract Carpet Tile - Ash Manufacturer and reference: Flooring Industries Montana - Ash BS EN 685 class Size: 500 x 500 mm or as manufacturers standard size. Thickness: 2.5 – 4 mm

  

Adhesive (and primer if recommended by manufacturer): As manufacturers recommendations. Accessories: SKIRTINGS to be: Altro PVC PRCS 120 Coved Skirting. Black 208. Allow to lay a proprietary levelling compound to complete floor areas.

GENERALLY

210

WORKMANSHIP GENERALLY:  

Ref No: AM/01/SU

All bases must be rigid, dry, sound, smooth and free from grease, dirt and other contaminants before coverings are applied. Finished coverings must be accurately fitted, tightly jointed, securely bonded, smooth and free from air bubbles, rippling, adhesive marks and stains.

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250

LAYOUT: Agree setting out of seams before ordering roll materials for sheeting type(s) M50.

330

COMMENCEMENT: Do not lay materials until building is weathertight, wet trades have finished their work, the building is well dried out, all paintwork is finished and dry, conflicting overhead work completed, and floor service outlets, duct covers and other fixtures around which the materials are to be cut have been fixed. Inform CA not less than 48 hours before commencing laying.

340

CONDITIONING: Before laying commences thoroughly condition materials by unpacking and separating in the spaces where they are to be laid. Maintain resilient flooring rolls in an upright position, unroll carpet and keep flat on a supporting surface. Minimum conditioning time and temperature to be as recommended by manufacturer. Extend period by a factor of 2 for materials stored or transported at a temperature of less than 10°C immediately prior to laying.

350

ENVIRONMENT: Before, during and after laying, provide adequate ventilation and maintain temperature and humidity approximately at levels which will prevail after the building is occupied.

360

UNDERFLOOR HEATING: Do not commence laying on floors with underfloor heating for a period of 48 hours after the heating has been turned off. Slowly return heating to its operative temperature not less than 48 hours after completing laying.

PREPARING BASES

410

SUITABILITY OF NEW BASES AND CONDITIONS: Laying of coverings will be taken as joint acceptance by the Main Contractor and Subcontractor of the suitability of the bases and conditions within any given area.

420

SUITABILITY OF EXISTING BASES AND CONDITIONS:  

430

Before commencing work the subcontractor must confirm (through the Main Contractor) that existing bases will, after the specified preparation, be suitable to receive the specified coverings. Laying of coverings will be taken as further acceptance of the suitability of the bases and also of the conditions within any given area.

DAMPNESS: Where coverings are to be laid on new wet-laid bases:    

440

Ref No: AM/01/SU

Ensure that drying aids have been turned off for not less than 4 days, then Test for moisture content using an accurately calibrated hygrometer in accordance with BS 5325, Annexe A or BS 8203, Annexe A. Take readings in all corners, along edges, and at various points over the area being tested. Do not lay coverings until all readings show 75% relative humidity or less. SUBSTRATES: The specification for trowelled finishes to receive thin floor coverings require:

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  

A uniform, smooth surface free from trowel marks and other blemishes, and suitable to receive the specified floor finish material. Adequate protection from construction traffic. Allowance for making good by application of a smoothing compound by and to the satisfaction of the flooring subcontractor in the event of the surface being unsuitable due to inadequate finishing or protection.

460

SMOOTHING UNDERLAYMENT COMPOUND: Proprietary Levelling Compound recommended for the purpose by the manufacturer. Mix and lay in accordance with manufacturer's recommendations.

470

EXISTING FLOOR COVERING TO BE REMOVED: Completely remove covering and as much adhesive as possible. Skim with smoothing underlayment compound to give a smooth, even surface.

480

EXISTING FLOOR COVERING TO BE OVERLAID: Make good by local resticking and patching or filling with smoothing underlayment compound to give a smooth, even surface.

LAYING COVERINGS

610

SET OUT TILES from centre of space/room unless specified otherwise, so that wherever possible:  

640

Tiles along opposite edges are of equal size, and Edge tiles are more than 50% of full tile width.

ADHESIVE FIXING GENERALLY:     

Adhesive: when not specified otherwise, type to be as recommended by covering/underlay manufacturer as appropriate or, in the absence of such recommendation, type to be approved. Use a primer where recommended by adhesive manufacturer. Allow to dry thoroughly before applying adhesive. Spread adhesive evenly and lay covering, pressing down firmly and rolling laterally and transversely (if recommended) to ensure full contact and a good bond overall. Reroll (if recommended) within 30 minutes. Remove all surplus adhesive from exposed faces of coverings as the work proceeds. Trowel ridges and high spots caused by particles on the substrate will not be accepted.

720

DOORWAYS: Make joint on centre line of door leaf unless specified otherwise.

770

LOBBY / STAIRWELL SKIRTINGS:  

780

Ref No: AM/01/SU

Manufacturer and reference(s): Altro PVC PRCS 120 Coved Skirting. Black 208. Securely bond with top edge straight and parallel with floor. Accurately mitre at corners.

TRAFFIC: After laying keep floor covering type(s) M50/ free from traffic for period as recommended by manufacturer.

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COMPLETION

M60

810

CLEANING GENERALLY: Remove all scrap, dust and dirt. Carefully remove adhesive and other marks from coverings and adjacent surfaces, using approved cleaning agents and methods.

870

PROTECTION: Cover flooring with clean dust sheets or other non staining suitable material to prevent damage from dirt and traffic prior to Practical Completion. Ensure any material with printed information on one face is laid with printed face uppermost.

880

WASTE: Retain spare covering material suitable for patching. On completion hand over to Employer pieces selected by CA.

PAINTING/CLEAR FINISHING

To be read with Preliminaries/General conditions.

COATING SYSTEMS

110

AGLAIA NATURAL RESIN INTERIOR WHITE

 

Manufacturer: Aglaia Surface(s): Internal Walls Preparation: As clause 400.

 

Initial coat(s): 2 Finishing coats: 1

GENERALLY

210

COATING MATERIALS to be obtained from one only of the following manufacturers unless specified otherwise: Inform CA of selected manufacturer at an early date.

215

HANDLING AND STORAGE:

Coating materials must be delivered in sealed containers, each clearly labelled with the brand name, type of material and manufacturer's batch number. Wherever possible materials must be from one manufacturing batch. Inform the CA if materials from more than one batch are to be used, store separately and allocate to distinct parts or areas of the work. Store materials in accordance with manufacturer's recommendations. Use in order of delivery and

 

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before expiry of any shelf life date.

240

SURFACES NOT TO BE COATED: Window and door framing.

250

SURFACES TO BE CLEANED BUT NOT COATED: Windows, Window sills, Doors and Skirtings.

280

PROTECTION:

Adequately protect internal and external surfaces, fixtures and fittings which are not to be coated, by covering with dust sheets, masking or other suitable materials. Exhibit 'Wet paint' signs and provide barriers where necessary to protect other operatives and the general public, and to prevent damage to freshly applied coatings.

PREPARATION

400

PREPARATION GENERALLY: To BS 6150, Section 4.

         

420

Materials used in preparation must be types recommended by their manufacturers and the coating manufacturer for the situation and surfaces being prepared. Prevent or control exposure of operatives to dust, vapour and fumes exceeding occupational exposure standards set in the current Health and Safety Executive (HSE) document EH40. Substrates must be sufficiently dry in depth to suit the coating to be applied. Remove efflorescence salts from surfaces. Repeat removal if efflorescence recurs. Clean off dirt, grease and oil from surfaces. If contamination of surfaces/substrates has occurred, obtain instructions before proceeding. Smooth surface irregularities. Fill joints, cracks, holes and other depressions with stoppers/fillers worked well in and finished off flush with surface. Abrade to a smooth finish. Apply oil based stoppers/fillers after priming. Apply water based stoppers/fillers before priming unless recommended otherwise by manufacturer. Patch prime water based stoppers/fillers when applied after priming. Remove dust and particles from dry abrasive preparation of surfaces. Remove residues from wet preparation of surfaces by rinsing with clean water, wiping and allowing to dry. Ensure that doors, opening windows, etc, are 'eased' as necessary before coating. Prime any resulting bare areas.

FIXTURES: Before commencing work, remove the following fixtures and fittings, set aside and replace on completion: Sockets, Switches and Radiators,

Ref No: AM/01/SU

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APPLICATION

700

UNSUITABLE CONDITIONS:

    

Take all necessary precautions including restrictions on working hours, providing temporary protection and allowing extra drying time, to ensure that coatings are not adversely affected by climatic conditions during and after application. Prevent or control exposure of operatives to solvent vapour levels exceeding occupational exposure standards set in the current Health and Safety Executive (HSE) document EH40. Unless it is specifically permitted by the coating manufacturer, do not apply coatings: To surfaces affect by moisture, frost or airborne dust. When the air or substrate temperature is below 5degC. When the relative humidity is above 80%. When heat is likely to cause blistering or wrinkling.

711

COATING GENERALLY:

 

To BS 6150, Section 5. Do not use materials which show any bittiness or other defects when applied. Do not thin or intermix unless specified or recommended otherwise. Apply priming coats as soon as possible on the same day as preparation is completed. They must be of adequate thickness and suit surface porosity. Apply coatings by brush or roller unless otherwise specified or approved. Keep brushes and equipment in a clean condition. Dispose safely of cleaning and waste materials, do not pour into sanitary appliances or drains. Subsequent coats of the same pigmented material must be of a different tint to ensure that each coat provides complete coverage. Apply coatings to clean, dry surfaces in accordance with the manufacturer's recommended intervals between coats. Apply coatings evenly to give a smooth finish of uniform colour, free from brush marks, sags, runs and other defects. Cut in neatly and cleanly. Do not splash or mark adjacent surfaces. Adequately protect drying and completed work from damage.

      

820

COMPLETION: Ensure that opening lights and other moving parts move freely. Remove all masking tape and temporary coverings.

Ref No: AM/01/SU

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K40

SUSPENDED CEILINGS

To be read with Preliminaries/General conditions.

TYPE(S) OF SUSPENDED CEILING

110

SUSPENDED CEILING(S) Sahara Plain            

Product name: Sahara Plain Item number: 2271M Colour: White Edge detail: Board Module (mm): 600 x 600 x 15 MM Fire reaction: EEA - Euroclass A2-s1,d0 Sound absorption (alpha w): 0.55 Sound attenuation (Dncw): 35 Light reflectance (%): 82 Humidity resistance (%): 99 Surface: Dune Material: Mineral

GENERALLY/PREPARATION

205

SUSPENDED CEILINGS GENERALLY: Unless specified otherwise, comply with the relevant recommendations and performance requirements of BS 8290 for the selection and assembly of components and materials.

215

SAMPLE(S): Before placing orders submit representative sample(s) of ceiling tiles. Ensure that delivered materials match samples.

220

ENVIRONMENTAL CONDITIONS:

Areas for storage and installation must be clean, dry, well ventilated and free from excessive and/or rapid variations of temperature and humidity. Do not install membrane material until the building is weathertight and wet trades have finished their work. Before, during and after installing, ensure that temperature and humidity are maintained at levels similar to those which will prevail after building is occupied. Notwithstanding the above, delivery of materials and installation of the suspended ceiling will be taken as joint acceptance by the Main Contractor and Ceiling Contractor of the suitability of the environmental conditions.

 

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INSTALLATION

305

WORKMANSHIP GENERALLY:

Handle, store and fix suspended ceiling materials and accessories in accordance with manufacturers' recommendations, BS 8290:Part 3 and design/performance requirements. Set out accurately to give level soffits free from undulations, lipping and distortions in grid members. Fix securely with additional bracing and stiffening as necessary at upstands, access hatches, partition heads, etc. to give a stable system resistant to wind induced uplift and other specified design loads and pressures. Do not use cartridge or powder activated methods for top fixings or rivets for bottom fixings of hangers.

315

PROTECTION:

 

No part of the suspension system must be subjected to loads for which it is not designed, including lateral loads from ladders, tower scaffolds, etc. Membrane materials must be handled carefully kept clean and removed and replaced correctly using special tools and clean gloves, etc. as appropriate.

325

SETTING OUT: Unless shown otherwise, set out ceilings so that:

 

Edges of tiles/panels are never less than half in width or length. Position grid to suit tile/panel size(s), allowing for permitted deviations from nominal size(s). All lines and joints are straight and parallel to walls unless specified otherwise. Where surrounding walls or other building elements and features to which the suspended ceilings relate are not square, straight or level, obtain instructions on setting out.

355

FIXING BOARDS TO CONCEALED GRIDS:

Fix and join boards using methods, materials and accessories recommended by the board manufacturer. Cut boards neatly and accurately. Do not use damaged boards. Screw boards securely and firmly to grid members at recommended centres and edge distances, to give a flat surface free from bowing and lipping. Set heads of screws below surface of boards and fill flush with surface. Where not shown otherwise, provide movement joints as appropriate for the area of ceiling and/or to coincide with movement joints in surrounding structure. Stagger joints of boards applied in two or more layers. Ensure that edges and ends of each board are fully supported and screwed to grid members.

 

   

360

WIRE HANGERS:

Straighten before use and install vertically without bends or kinks. Do not allow hangers to press against any fittings within the void. Tie securely at top and bottom with tight bends to loops to prevent any vertical movement.

380

JOINTING OF PERIMETER TRIMS to be carried out neatly and accurately without lipping or twisting using:

 

Mitred joints at all external and internal corners. The longest lengths of trim available from manufacturer to keep intermediate butt joints to a minimum.

390

OPENINGS IN MEMBRANE MATERIALS to be formed accurately and neatly to suit sizes and edge

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details of fittings, using methods recommended by the manufacturer and without causing damage or distortion. 395

SUPPORT OF SMALL FITTINGS VIA MEMBRANE MATERIALS:

 

Fittings must be adequately supported without causing damage or distortion to the membrane, by the use of rigid backing boards or other suitable means. Surface spread of flame rating of additional supporting material must match that of the ceiling membrane material.

400

INSULATION:

 

Fit accurately and firmly with no gaps so that specified performance levels are achieved. Insulation within individual tiles, trays, etc. must be fitted closely and secured to prevent displacement when tiles are installed or subsequently lifted. Reseal any cut dustproof sleeving. Lay out insulation over the membrane in the widest practical widths to suit spacings of grid members, with closely butted joints. Do not cover electrical cables (unless they have been sized accordingly). Cut insulation carefully around electrical fittings, etc. On sloping and vertical areas of ceiling, fastenings must be used to prevent displacement.

  

405

FIRE STOPPING TO FIRE RESISTING SUSPENDED CEILINGS: Seal any gaps at junctions of ceiling with perimeter abutments, service penetrations, etc. using tightly packed mineral wool or approved intumescent sealant to prevent penetration of smoke and flame.

500

ELECTRICAL CONTINUITY AND EARTH BONDING:

All substantial conductive parts of the suspended ceiling system including integrated electrical equipment and fittings, are to be electrically continuous and fully earth bonded in accordance with BS 7671 (The IEE Wiring Regulations). Ensure that earth bonding is completed as soon as possible after completion of each independent area of suspension system. After completion of the ceiling installation, associated services and fittings, arrange for tests to demonstrate that the ceiling is electrically continuous and fully earth bonded in accordance with BS 8290:Part 3. Notify the CA to enable the testing to be witnessed. Submit a test report to the CA.

  

505

INSTRUCTIONS AND TOOLS: Provide the Main Contractor with duplicate sets of user instructions and access tools recommended by the suspended ceiling/access panel manufacturer. One for the use of contractors requiring access to the void and the other for handing over to the CA at Practical Completion.

530

SPARES: Provide the following and hand over to the Employer at Practical Completion:

Ref No: AM/01/SU

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APPENDIX CONTENTS Appendix A: Project Description & Purpose

Appendix B: Asbestos Sheet

Appendix C: Materials Research

Appendix D: Prescriptive, Performance & Descriptive Specifications

Appendix E: Bibliography

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Appendix A: Project Description & Purpose The purpose of the refurbishment of the rooms in the HC Building is to modernise the functionality and appearance. I have estimated an approximate budget of £30,000 for the whole project, we can’t put the total in ourselves as the document would need to go to tender for this to happen, but we need to estimate a budget in order to get a contingency total (7.5% - 10%). The Floor in the room needs to be replaced; In this case it has been specified for the old flooring to be removed and any repairs to make to the screed base. The type of flooring I have chosen to specify is carpet tiles purely for the fact that they are hard wearing (when laid correctly) and easily maintained. The use of the room is for university students to have their tutorials and lectures. So the electrical equipment such as projectors and computer systems need to be up to date; to replace the scroll down screens that were used with the old overhead projectors and now just a waste of space. The Design and fit out of one room can be used as a model in order to refurbish the rest of the rooms within the HC building. The refurbishment also includes repairing and repainting of the walls, and installation of a new suspended ceiling.

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Appendix C: Materials Research

Flooring: Carpet tiles Code:

Flooring Industries Montana - Ash

Name:

Montana Contract Carpet Tile - Ash

Size:

50 cm x 50 cm

Price:

£9.99 per sq m

Price per Box:

£49.95

Description:

Montana is an attractive yet affordable tufted loop pile carpet tile, suitable for medium duty office locations, portable buildings or educational institutions. It is 100% pile fibre made from stain resistant BCF Polypropylene. The carpet tiles are anti-static under normal conditions and solution-dyed for colour fastness. A medium contract tile with a 10-year manufacturer's warranty. The tile is 50 cm x 50 cm and 7 mm thick. Each pack contains 20 tiles (5 square metres). Each carpet tile is very affordable at just £2.15.

Ceiling: Sahara Plain Suspended Ceiling Tiles

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Projector & Board Supplier

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Appendix D: Prescriptive, Performance & Descriptive Specifications The Specification I have written is Prescriptive. A prescriptive specification is commonly known as a detailed materials and workmanship specification this is a ‘do precisely as I say’ Spec. This approach assumes design team know exactly what they want, it has been worked out exactly how it should be done, allowed by European legislation to specify products, manufacturers etc. and prepared to warrant the design, taking full responsibility for the end product being fit for the purpose it is intended for. Whereas a Performance specification is used where the design team have no visual requirements but wish for the contractor to select suitable materials and install them to meet stated criteria, they may not always confirm what will be provided but only what has to be achieved, employers do not know what they are getting when entering into a contract, there requirement is only that the end product performs to its function and meets all statutory regulations. With a performance specification it makes it difficult to control quality and clients perception, cheaper products may be used and aesthetics may be poor as the contractor wants to save money where possible and the outcome is not certain. However the positives include that fact that they are quicker and easier, a specialist is not always required, and it can be used as a generic document. Ref No: AM/01/SU

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Performance specifications also specify the standard or ‘performance’ of different elements such as heating systems. It will also cover fuel, boiler type, radiator style, how and where pipes should be fitter, temperatures required for the space and sustainable issues. How to design a heating system CIBSE knowledge…

Key steps for heating design calculation sequence…

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Descriptive Specifications have been designed to make the best use of varying skills of those involved in the process of delivering modern building. They can generally be flexible which may cause problems in the long run. Its main function is to define scope, design intent, procedures for completing detailed design, quality control and to provide the contractor with fair indication of the solutions that are acceptable. Contractors are required to use their specialist expertise to complete the detailed design and in consultation with the design team and to work in harmony together in order to find the best approach, manufacture and install the works and provide necessary warranties and guarantees. The need to prepare a contract specification that fully represents ‘the buy’ is fundamental to the successful use of a descriptive spec if claims and variations are to be later avoided. Large complex buildings tend to require the descriptive approach while the traditional design solutions are more suitable to prescriptive. Ultimately descriptive specifications are best for the design & build design path, as it enables the design team to pass from client to contractor. Novation in practice When novation happens, the original contract is superseded by a new contract between the one of the original parties and the new third party.

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The reason to assign or novate: changing the parties bound to a contract in law, the principle of privity of contract means that only the parties to a contract have the obligation to fulfil it and the right to enforce it. (Statute law has created a few exceptions but they apply rarely). The concepts of novation and assignment have been developed to overcome the restrictions imposed by the doctrine, namely how do you change the parties to an agreement.

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Appendix E: Bibliography

Willis & Willis http://www.netlawman.co.uk/info/novation-assignment.php http://www.thenbs.com/training/educator/specification/specintro/ specintro09.asp http://www.thenbs.com/training/educator/specification/specintro/ specintro09.asp http://www.ccfltd.co.uk/Products/Ceilings/Treetex http://www.accurateav.co.uk/products.php?section=27 http://www.flooringindustries.co.uk/

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Specification Writing