
Handbook for Clerks of Works
Greater London Council Department of Architecture and Civic Design
- 3rd Edition - July 1, 1983
- Imprint: Architectural Press
- Author: Greater London Council
- Language: English
- Paperback ISBN:9 7 8 - 1 - 4 8 3 1 - 0 8 6 8 - 1
- eBook ISBN:9 7 8 - 1 - 4 8 3 1 - 0 2 3 4 - 4
Handbook for Clerks of Works, Third Edition: Greater London Council Department of Architecture and Civic Design provides information pertinent to the role of the clerk of works in… Read more

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Request a sales quoteHandbook for Clerks of Works, Third Edition: Greater London Council Department of Architecture and Civic Design provides information pertinent to the role of the clerk of works in site supervision. This book outlines the specific duties and responsibilities of the clerk of works. Organized into 25 chapters, this edition begins with an overview of the varieties of duties as well as the specific limitations to duties of clerk of works. This text then explains the duty of the clerk of works to obtain a small-scale layout of the site before the briefing meeting, and should visit the site, so as to be familiar with the site location, boundaries, configuration, adjoining owners, and spoil clearance position. Other chapters consider the level record plan that should be signed by the clerk of works. The final chapter deals with the relations of clerk of works with other departments and branches. This book is a valuable resource for clerks of works.
1 Duties and Responsibilities of a Clerk of Works
1 Generally
2 Definition of Duties
3 Effect of Clause 10
4 Definition of Clerk of Works Duties in Issue of Instructions
5 Contractor's Attitudes
6 Specific Limitations to Clerk of Works Duties
7 Variety of Duties of a Clerk of Works
8 Knowledge of Contract Documents
9 Building Regulations and Acts
10 Cooperative Relations with Agent
11 Anticipation
12 Interpretation
13 Inspection
14 Reporting
15 Recording and the Job Diary
16 Diary Items
17 Issue of Diary
18 Query and Answer Book
19 Weekly Report—General Remarks
20 Percentage Completion Figures for Housing
21 Safety
22 Labour Disputes
2 Commencement of a Contract
1 Briefing Meetings
2 Handing-Over of Site
3 Siting of Offices
4 Telephone
5 Datum Points for Setting Out and Levelling
6 Trees
7 Contractor's Name Boards
8 Council Notice Boards
9 Bulk Supplies
10 Existing Services
11 Levels Over Site
12 Pavements
3 Site Levels and Boundaries
1 Surface Levels of Site
2 Fly Tipping
3 Agreement and Recording of Surface Levels
4 Level Book
5 Datum for Levels
6 Adjoining Property
7 Damage to Property
8 Adjoining Contracts
9 Completed Services
10 Site Boundaries
11 Street Lighting
12 Temporary Fencing Owned by the Council
4 Contract Documents
1 Form of Contract
2 Contract Drawings
3 Clerk of Works in the Form of Contract
4 Matters on Which the Architect is Empowered to Issue Instructions
5 Confirmations within Two Working Days
6 Timely Supply of Information
7 Extension of Time of Completion
8 Stoppages
9 Nominated Sub-Contractors and Suppliers
10 Care of Drawings
11 Amendments to Drawings and Documents
12 Index to Specification or Contract Bills
13 Return of Documents
14 Completion Certificates
5 Progress of Works
1 Responsibility of Clerk of Works for Progress
2 Weekly Report—to Chart Progress of the Works and Factors that Affect that Progress
3 Records of Labour
4 Record of Stoppages
5 Potential Causes of Delay
6 Progress Charts
7 Site Meetings
8 Marking up Progress Charts
9 Routine Records of Progress Matters
10 Progress Difficulties
11 Errors Involving Loss of Time
6 Instructions to Contractors
1 Additional Works
2 Site Instructions by Clerk of Works
3 Dayworks
4 Contractor's Vouchers
5 Contractor's Paysheets
6 Instruction to Correct Defective Work
7 Site Investigations
1 General
2 First Investigation of a Site
3 Soils Investigation by Specialist Firms
4 Primary Purpose of Term Contracts
5 Other Soils Engineering Problems
6 Chemical Analyses
7 Co-Ordination of Theory and Practice
8 Spacing of Trial Bores
9 Sub-Soil Soundings
10 Code of Practice
8 Foundations
1 Setting Out Foundations
2 Bottoms of Excavations
3 Excavation Beyond Contract Depth
4 Visits of Structural Engineers to Sites
5 Concreting Foundations
6 Records of Foundations
7 Physical Start to Individual Blocks
8 Records of Obstructions
9 Piled Foundations
10 Water in Excavated Foundations
11 Extent of Excavations
12 Safety in Excavations
13 Objects of Antiquity
14 Cultivation of Areas to be Planted or Grassed
15 Information
9 Drainage
1 Checking Levels and Locations of Existing Sewers
2 Setting Out
3 Excavations
4 Support and Protection of the Proposed Sewers and Drains
5 Back-Filling
6 Timber Left in
7 Testing of Sewer and Drains
8 Connection to Existing Sewers
9 Handing Over of Sewers and Drains
10 Concrete and Reinforced Concrete
1 Code of Practice 110
2 Developments
3 Types of Concrete
4 Definitions
5 Demonstration that Designed Mix Achieves the Appropriate Surface Finish
6 Grades of Concrete
7 The London Building Act
8 Departmental Preambles
9 Proportioning Materials on Site
10 Frequent Test Cubes
11 Calcium Chloride in Concrete
12 Change in Materials
13 Competent Supervision by Contractor
14 Ready Mixed Concrete—Choice of Depot
15 Minimum Cement Content—Ready Mixed Concrete
16 Careful Check of Ready Mixed Concrete by Clerk of Works
17 Check of Delivery Times—Ready Mixed Concrete
18 Disclosure of Additives
19 Mixing Concrete on Site
20 Materials for Concreting on Site
21 Marine Aggregates
22 Gauge Boxes
23 Mixer Size
24 Formwork
25 Cleaning Out Formwork
26 Placing of Concrete
27 Construction Joints
28 Concreting in Cold Weather
29 Compaction of Concrete
30 Curing and Protection
31 High Alumina Cement
32 Reinforcement
33 Provision for Pipes
34 Striking of Formwork
35 Damaged or Defective Work in General
36 Specified Surface Finishes
37 Colour
38 Vertical Alignment and Setting Out in Multistorey Reinforced Concrete Work
39 Clerk of Works to Seek Instructions on Accuracy Measurements that are to be Taken
40 Designed Mixes—Field Control Samples and Test Cubes
41 Nominal or Prescribed Mixes—Field Control Samples and Test Cubes
42 B.S. References for Sampling, Slump and Cubes
43 Covermeter Checks
11 Brickwork
1 Setting Out of Brickwork
2 Datum for Brickwork
3 Damp Proof Courses
4 Points for Attention in Brickwork
5 Particular Attention to Cavity Brickwork
6 Weep Holes
7 Closure of Cavity
8 Snap Headers
9 Mortar Mixing
10 Pointing
11 Sample Brick Panels
12 Sample Loads of Bricks
13 Brickwork in Frosty Weather
14 Admixtures
15 Examination of Brickwork Built in Frost
16 Sills and Thresholds
17 Partition Blocks
18 Tests during brickwork
19 Flues
20 Making Good to Ducts and Other Party Structures
21 Records that are to be Kept of All Cavity and Similar Brickwork
22 Manner in Which Records are to be Kept
23 Cladding Panels
24 Cracking of Brickwork and Failures of Brick-Cladding
25 Code of Practice C.P. 121
26 Placing of Concrete
27 Construction Joints
28 Concreting in Cold Weather
29 Compaction of Concrete
30 Curing and Protection
31 High Alumina Cement
32 Reinforcement
33 Provision for Pipes
34 Striking of Formwork
35 Damaged or Defective Work in General
36 Specified Surface Finishes
37 Colour
38 Vertical Alignment and Setting Out in Multistorey Reinforced Concrete Work
39 Clerk of Works to Seek Instructions on Accuracy Measurements that are to be Taken
40 Designed Mixes—Field Control Samples and Test cubes
41 Nominal or Prescribed Mixes—Field Control Samples and Test Cubes
42 B.S. References for Sampling, Slump and Cubes
43 Covermeter Checks
12 Stress Grading of Timber
1 Code of Practice C.P. 112
2 Stress Grading
3 Methods of Grading
4 Limitations of Machine Stress Grading
5 Colour Coding in Machine Grading
13 Joinery
1 Timber
2 Timber Windows
3 Quality of Timber
4 Early Decay of Timber
5 Early Occurrence of Wet Rot
6 Moisture
7 Sapwood in Softwood
8 Sapwood in Hardwood
9 Measures to be Taken with Softwood in Presentday Use
10 Preservation
11 Moisture Content of Joinery as Delivered on Site
12 Maintenance of Low Moisture Content
13 Special Steps for Centrally Heated Buildings
14 Moisture Danger Limit
15 Examination of Joinery Drawings and Specification
16 Sample Items of Joinery
17 Visits to Joinery Works
18 Rules for Visits to Works
19 Guidance Notes on Joinery Inspections
20 Earlier Specifications
21 Windows for Breakdown Examination
22 Window Test Rigs
23 The Combed Joint
24 Glues
25 Notes on Priming
26 Hardwood Flooring on Screeds
27 Preservation—Wooden Doors to Garages
28 Skirtings
29 Paint Protection of Putties
14 Mastic Asphalt Roofing
1 Information Necessary to All Clerks of Works
2 Definition of Mastic Asphalt
3 BRS Check on Asphalt Roofs
4 Successful Use of Mastic Asphalt
5 Appropriate Inspection by Clerk of Works
6 Typical Faults
7 Reflective Treatments
8 A Small Working Gang and its Tools and Equipment
9 Typical Working Operations
10 The Underlay
11 Overall Thickness of Asphalt and Number of Coats
12 Temporary Applications of Asphalt
13 Detailing
14 Improvements to Certain Details
15 Plastering
1 Trueness of the Plastering System
2 Thin Coat
3 1 in 600 Tolerance
4 Quality of Workmanship in Plastering
5 Sample Dwellings
6 Preparation of Background for Plastering
7 Excessive Making Good of Plaster
8 Cleanliness in Plastering
9 Mixes for Plastering
10 Detailed Inspection of Plaster Work
11 Sound Insulating Quilt
12 Screed for Thermoplastic Tiles
13 Protection from Weather
14 Temporary Lighting
15 Patching
16 Bonding Agents
17 Preference for Mechanical Key
16 Decoration
1 Inspection—General
2 Quality of Finished Work
3 Preparation
4 Dry Surfaces
5 Faulty Materials
6 Number of Coats of Paint
7 Cleanliness of Finished Paint Work
8 Delivery of Paint
9 Dilution of Paints—General
10 Primers for Joinery
11 Brushes for Priming Joinery
12 Paint Tests
13 Paint Sampling
14 Excessive Thinning of Paints
15 Instant Paint Testing
16 List of Approved Brands
17 Protection of Finished Work and Protection in Storage
1 General Protection
2 Orderliness of Site
3 Waste of Materials
4 Stonework and Precast Work
5 Protection of New Brickwork
6 Protective Measures for Concrete
7 Protection in Storage
8 Storage of Sanitary Goods
9 Plumbing—Frost Precautions
10 Storage of Metal Windows
11 Handling of Baths
12 General Storage and Stacking of Baths
18 Completed Buildings-Handing Over
1 Use of Permanent Lifts
2 Use of Electrical Wiring
3 Minimum Defects at Final Handover
4 Systematic Clearance of Defects
5 Preliminary Official Inspection
6 Formal Handing Over Inspection
7 Formal Notification to Contractor of Defects from Formal Handing Over Inspection
8 Dilatoriness in Remedying Defects
9 Troublesome 'Snagging' Lists
10 Timely Steps and Pressure to Clear Up the Final Few Defects
11 Clerk of Works Clearance Certificate
12 Reports on Completions
13 Transformer Chambers
14 Maintenance Surveys
15 Recovery of Council Fencing Materials
16 Horizontal Centre Pivot Windows
17 Stopcocks
18 Testing of Gas Installation
19 Cradling Eye Bolts
19 Sub-Contractors
1 Instructions to Sub-Contractors
2 Approval of Sub-Contractors
3 Nominated Sub-Contractors
4 Direct Contractors
5 Direct Supplies
6 Work by Outside Authorities
7 Work by Outside Specialists
8 Labour-Only Sub-Contractor
20 Materials
1 Material Approvals
2 Major Deliveries
3 Sources of Materials
4 Deliveries of Joinery
5 Direct Supply—Procedure
6 Direct Supply—Requisitioning
7 Direct Supply—Deliveries
8 Direct Supply—Quality
9 Direct Supply—Replacement
10 Direct Supply—Delivery Delays
11 Name Plates
12 Standardisation of Direct Supply Materials
13 Damage to Baths
14 Prevention of Impact Damage
15 Pads for Feet of Baths
21 Testing
1 General Policy on Testing
2 Site Testing Equipment
3 Laboratories at County Hall
4 Testing of Mastic Asphalt—Outside Laboratories
5 Forms to Accompany Samples
6 Supervision of Sampling
7 Clerk of Works Records
8 Tests on Site
9 Samples Sent from the Site by Clerks of Works for Tests
10 Testing Schedule
11 Examination of Sand
12 Marine Aggregates
13 Slump Tests
14 Field Weight Tests on Lightweight Screeds
15 General Remarks on Drainage Testing
16 Pile Tests Note
17 General Remarks on Paint Testing
18 Tests on Flues
19 Testing of Bricks
20 Testing of Slates
21 Cement Testing
22 Testing of Reinforcement
22 Industrialised Buildings
1 General
2 Industrialisation
3 Tolerances
4 Making good
5 The Clerk of Works in Future Development
23 Training and the Supply of Technical Information to Clerks of Works
1 Assistants Under Training by Clerks of Works
2 Training by Experience—Clerks of Works—in Course of Duty
3 Study by Clerks of Works—for Personal Qualifications
4 Courses for Clerks of Works Arranged by the Department
5 Initial Issues of Technical Information to Clerks of Works
6 Permanent Issue Set of British Standards for Clerks of Works
7 Permanent Issue Set of Codes of Practice for Clerk of Works
8 Periodical Information
9 Students and Trainee Attachments
10 Suitable Jobs for Students or Trainees
11 Planning Useful Attachments
24 Relations with Other Departments and Branches
1 General Co-Ordination
2 Structural Engineer
3 Housing Engineer
4 Quantity Surveyor
5 District Surveyor
6 Relationships between District Surveyor and Clerk of Works
7 Mutual Confidence Between Clerk of Works and District Surveyor
8 Aesthetic Considerations
9 Environmental Health Officer
10 Electrical and Heating Inspectors
11 Factory Inspector
12 Officers of the Parks Department
25 Clerks of Works Conditions of Service and General Administration
1 Hours of Work
2 Overtime
3 Overtime Claims
4 Attendance Records
5 Temporary Absence Sheets
6 Travel Expenses—Home to Site
7 Incremental Scales
8 Established Positions
9 Superannuation
10 Place of Employment
11 Training
12 Car Allowances
13 Leave
14 Leave on Building Operatives' Holidays
15 Additional Leave for Long Service
16 Special Leave
17 Application for Leave
18 Termination of Engagement
19 Illness
20 Accidents
21 Sick Pay
22 Assessment Boards
23 Loss of Council Money or Property
24 Personal Property
25 Change of Address
26 Correspondence
27 Postage
28 Visitors to the Works
29 Photographs
30 Trade Union Visitors
31 Enquiries for Housing
32 Visits from the Press
33 Examination of Materials in Preparation Off Site
34 Rules for Visits by Clerks of Works to Workshops
35 Issues
36 Use of Official Position
37 Gifts
- Edition: 3
- Published: July 1, 1983
- No. of pages (eBook): 144
- Imprint: Architectural Press
- Language: English
- Paperback ISBN: 9781483108681
- eBook ISBN: 9781483102344
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