Page 12 - Civil Engineering Project Management, Fourth Edition

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15.4 Problems with classes of work and number of items
182
15.5 Accuracy of quantities: provisional quantities
183
15.6 Billing of quantities for building work
184
15.7 Some problems of billing Contents 181
Excavation 184
Working space 185
Pipelines 185
Earthwork construction 186
Concrete 186
Brickwork 187
15.8 Use of nominated sub-contractors 187
15.9 Prime cost items 188
15.10 The preliminaries bill and method-related items 189
Temporary works 189
Items added 191
Method-related items 191
Division of items in the preliminaries bill 192
Problems with Civil Engineering Standard Method 193
of Measurement
15.11 Adjustment item to the total price 194
15.12 Preamble to bill of quantities 195
15.13 List of principal quantities 195

16 Interim monthly payments 196
16.1 Handling interim payments 196
16.2 Agreeing quantities for payment 197
16.3 Payment for extra work, dayworks and claims 198
16.4 Payment of lump sums, method related items and 199
any adjustment item
16.5 Payment for materials on site 200
16.6 Payment for materials manufactured off site 201
16.7 Payment for manufactured items shipped overseas 202
16.8 Price adjustment 202
16.9 Cost reimbursement 203
16.10 Retention and other matters 204

17 Variations and claims 206
17.1 Who deals with variations and claims 206
17.2 Payment for increased quantities 207
17.3 Ordered variations 208
17.4 Rates for ordered variations 210
17.5 Variations proposed by the contractor 211
17.6 Claims from the contractor 212
17.7 Sheets submitted ‘for record purposes only’ 213
17.8 Clause 12 claims for unforeseen conditions 214
17.9 Payment for unforeseen conditions 215