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Schedule of Rates

Table of Contents

PREFACE

 

Welcome to the Tenth revised and enlarged edition of the Schedule of Rates for Construction Contracts Employing Trenchless Technology. This schedule provides the compilation of expected rates for trenchless techniquesbased on standard work specifications of approved trenchless techniques.

This IndSTT publication,over the period of last fifteen years, has supported the growth of the application of Trenchless techniques in India as it provides benchmarks for initial estimates of Trenchless technique works. Earlier, in its absence, owners hadto bank upon multiple quotations from service providers, or past expense experiences to workout estimates. As both of these options would lead to project costing of suspect nature, there was a general resistance in using Trenchless Technology. Over these fifteen years that resistance has gone away as engineers are now able to get published benchmark rates and the estimation produces bankable project valuations.

This publication has also been successful in optimizing the overall project costs as earlier estimates were including allowances for uncertainties. Once the estimated rates came in the use, basic costs started becoming known and such allowance started reducing. Over this period of fifteen years, these reductions brought down the overall project costs.

The above two factors gave rise to growth of the numbers of trenchless equipment and service providers in India that in turn helpedTrenchless Technology sector to further optimize the project prices as more economic processes and equipment got evolved and used on Trenchless projects.

All these changes helped promoting the application of Trenchless Technology in our part of world and we are honoured to be the agents of these changes that has contributed our bit in the Nation Building till now and hope to continue the same in future. We also hope that this publication would help the Indian Trenchless Technology Industry to act towards realisingthe dream of our Prime Minister of Make in India more effectively.

I thank the readers to have put their faith in this book and wish them extreme success in their Trenchless related endeavours.

Dr. P R Swarup
Chairman
Indian Society for Trenchless Technology


Table of Contents

 

Sl. No. Chapters
1 Common Items
 
1.1
Subsurface survey
 
1.2
Dewatering
 
1.3
Excavation of Pits
 
1.4
Temporary bypassing of Sewer
 
1.5
Pipeline Condition Assessment
 
1.6
Manhole Connection
 
1.7
Sewer Pipeline Desilting
 
1.8
Cable Avoidance
 
1.9
Tracing Buried Cable / Metallic Pipe Route
 
1.10
Tracing Buried Non-Metallic Pipes
 
1.11
Tracing Buried Manhole
 
1.12
Locating Sheath Fault
 
 
2 New Installation Techniques
2.1
Moling
 
2.2
Pipe Ramming
 
2.3
Horizontal Directional Drilling (for laying HDPE Pipes)
 
2.4
Manual Pipe Jacking
 
2.5
Auger Boring
 
2.6
Tunnel Boring
 
2.7
Microtunneling
 
2.8
Horizontal Rock Boring
3 Rehabilitation Techniques
 
3.1
Slip Lining
 
3.2
Cured in Place Pipe
 
3.2.1
Using Hot water/ Steam Curing of resin impregneted felt 
 
3.2.2
Using UV Ray Curing of resin impregnated felt 
 
3.3
Sprayed Lining
4 Renewal Techniques
 
4.1
Pneumatic Pipe Bursting
 
4.2
Static Pipe Bursting
5 Registered Qualified Professionals
  5.1 Introduction
  5.2 Scope
  5.3 Eligibility criteria for individual candidates and corporate nominees
  5.4 Knowledge of trenchless techniques
  5.5 Waste disposal/Traffic management/Safety
  5.6 Restoration of pits/surface locations
  5.7 Proposed utility layout plan
  5.8 Evaluating equipment capacity & capability
  5.9 Operator's qualification
  5.10 Selection and registration
  5.11 Commercial terms & conditions
  5.12 Deployment of RQP
  5.13 Powers to issue direction
  5.14 Project supervision and monitoring
  5.15 Accidents/Road cave-ins/Damage to structures
  5.16 Certificate of completion
  5.17 RQP Code of Ethics
  5.18 RQP fee structure
6 Minimum Trenchless Equipment Compliments
7 Indian Society for Trenchless Technology Membership Directory