REQUEST FOR PROPOSALS

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delineation of segments homogenous with respect to roughness and strength should be done using the cumulative difference approach (AASHTO, 1993). 2. The data on soil classification and mechanical characteristics for soils along the existing alignments may already be available with the PWD. The testing scheme is, therefore, proposed as given under: i. For the widening (2- Laning) of existing road within the ROW, the Consultants shall test at least three sub-grade soil samples for each homogenous road segment or three samples for each soil type encountered, whichever is more. ii. For the roads along new alignments, the test pits for sub grade soil shall be @5km or for each soil type, whichever is more. A minimum of three samples should be tested corresponding to each homogenous segment. 3. The testing for subgrade soil shall include: i. in-situ density and moisture content at each test pit ii. field CBR using DCP at each test pit iii. characterisation (grain size and Atterberg limits) at each test pit and, iv. laboratory moisture-density characteristics (modified AASHTO compaction); v. laboratory CBR (unsoaked and 4-day soak compacted at three energy levels)and swell. 4. For problematic soils, the testing shall be more rigorous. The characteristics with regard to permeability and consolidation shall also be determined for these soils. The frequency of sampling and testing of these soils shall be finalised in consultation with the NHIDCL officers after the problematic soil types are identified along the road sections. 5. The laboratory for testing of material should be got approved from NHIDCL before start of work. 4.11.4 Investigations for Bridges and Structure 4.11.4.1 Inventory of Bridges, Culverts and Structures The Consultants shall make an inventory of all the structures (bridges, viaducts, ROBs, /RUB and other grade separated structures, culverts, etc.) along the road under the project. The inventory for the bridges, viaducts and ROBs shall include the parameters required as per the guidelines of IRC-SP: 35. The inventory of culverts shall be presented in a tabular form covering relevant physical and hydraulic parameters. 4.11.4.2 Hydraulic and Hydrological Investigations 1. The hydrological and hydraulic studies shall be carried out in accordance with IRC Special Publication No. 13 (“Guidelines for the Design of Small Bridges and Culverts”) and IRC:5 (“Standard Specifications & Code of Practice for Road Bridges, Section I General Feature of Design”). These investigations shall be carried out for all existing drainage structures along the road sections under the study. 2. The Consultant shall also collect information on observed maximum depth of scour.
3. In respect of major bridges, history of hydraulic functioning of existing bridge, if any, under flood situation, general direction of river course through structure, afflux, extent and magnitude of flood, effect of backwater, if any, aggradations/degradation of bed, evidence of scour etc. shall be used to augment the available hydrological data. The presence of flood control/irrigation structures, if affecting the hydraulic characteristics like causing obliquity, concentration of flow, scour, silting of bed, change in flow levels, bed levels etc. shall be studied and considered in design of bridges. The details of any future planned work that may affect the river hydraulics shall be studied and considered. 4. The Consultants shall make a desk study of available data on topography(topographic maps, stereoscopic aerial photography), storm duration, rainfall statistics, top soil characteristics, vegetation cover etc. so as to assess the catchment areas and hydraulic parameters for all existing and proposed drainage provisions. The findings of the desk study would be further supplemented and augmented by a reconnaissance along the area. All important hydrological features shall be noted during this field reconnaissance. 5. The Consultants shall collect information on high flood level (HFL),low water levels (LWL), high tide level (HTL),low tide level (LTL) where applicable, discharge velocity etc. from available past records, local inquiries and visible signs, if any, on the structural components and embankments. Local inquiries shall also be made with regard to the road sections getting overtopped during heavy rains. 6. Conducting Model studies for bridges is not covered in the scope of consultancy services. If Model study is envisaged for any bridge, requirement of the same shall be spelt out in the RPF documents separately indicating scope and time frame of such study. Salient features of the scope of services to be included for model study are given in the supplement- II Terms of Reference. 4.11.4.3 Condition Surveys for Bridges, Culverts and Structures 1. The Consultants shall thoroughly inspect the existing structures and shall prepare a report about their condition including all the parameters given in the Inspection pro-forma of IRC-SP:35. The condition and structural assessment survey of the bridges / culverts / structures shall be carried out by senior experts of the Consultants. 2. For the bridges identified to be in a distressed condition based upon the visual condition survey, supplementary testing shall be carried out as per IRC-SP:35 and IRC-SP:40. Selection of tests may be made based on the specific requirement of the structure. 3. The assessment of the load carrying capacity or rating of existing bridges shall be carried out under one or more of the following scenarios: i. when the design live load is less than that of the statutory commercial vehicle plying or likely to ply on bridge; ii. if during the condition assessment survey and supplementary testing the bridge is found to indicate distress of serious nature leading to doubt about structural and / or functional adequacy, and
Page 1 and 2: National Highways & Infrastructure
Page 3 and 4: National Highways & Infrastructure
Page 5 and 6: Letter of Invitation (LOI) Package
Page 7 and 8: 1.8.3 In case of Joint Venture, one
Page 9 and 10: (vii) In case of a Joint Venture/As
Page 11 and 12: assignment on the project. After th
Page 13 and 14: 4.2.2 Deleted 4.3 The proposal must
Page 15 and 16: negotiation at the cost of Consulta
Page 17 and 18: Encl. as above (Y.C. Srivastava) Ge
Page 19 and 20: Annex-II Procedure of Awarding Work
Page 21 and 22: Section - III To, Y C Srivastava, G
Page 23 and 24: (i) (ii) (iii) The Consultants and
Page 25 and 26: 2. 3. Material testing, survey and
Page 27 and 28: key staff are as given below: (D) T
Page 29 and 30: 12.3 Third stage - Evaluation of Fi
Page 31 and 32: implementation. Consultant should a
Page 33 and 34: Structures, river Bank training/Pro
Page 35 and 36: xi. historical data on classified t
Page 37 and 38: Road from/to other road routes incl
Page 39 and 40: three scenarios, namely, optimistic
Page 41 and 42: vi.. Collection of details for all
Page 43 and 44: i. terrain (flat, rolling, mountain
Page 45: ii. iii. The surveys shall be carri
Page 49 and 50: site to artesian conditions, seismi
Page 51 and 52: measures for improvement should be
Page 53 and 54: 1. The embankments design should pr
Page 55 and 56: The Consultants shall design suitab
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Page 59 and 60: Resettlement, A Guide to Good pract
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Page 63 and 64: STAGE 1 2. The time schedule for va
Page 65 and 66: all items of works v. Civil Work Co
Page 67 and 68: The Environmental Impact Assessment
Page 69 and 70: The Final package-wise DPR consisti
Page 71 and 72: SUPPLEMENT I ADDITIONAL POINTS TO B
Page 73 and 74: maps, topographical maps, geologica
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Page 77 and 78: the audit team to check that no imp
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Page 85 and 86: Enclosure-II (contd.) QUALIFICATION
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APPENDIX-II Form- E3 Deleted
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(Form-T1) Appendix III TECHNICAL PR
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Deleted Form-E2/T3
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Deleted Form- T5
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Form- T7 . Deleted
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Facility for Field investigation an
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Form- T11 UNDERTAKING FROM THE KEY
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(Form-II) Format of Financial Propo
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Package no. NHIDCL/DPR/IM & UJ/2016
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VIII Reports and Document Printing
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Form-IV) Estimate of Costs for Expa
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APPENDIX- IV A Validate Print Help
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Note 1:No escalation will be payabl
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CONTENTS Sl. No. Description Page N
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Appendix A: Terms of reference cont
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Appendix F: Minutes of Financial/ C
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1. GENERAL PROVISIONS GENERAL CONDI
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Client under this Contract, includi
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2.7.5 Payments During the period of
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Clause 2.9.1 hereof, reimbursement
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3.7 Consultants' Actions requiring
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themselves on valid grounds, e.g.,
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Services; 5.2 Access to Land The Cl
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Note: Consultants have to provide a
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7.3. Penalty 7.3.1. Penalty for Err
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10. Change of Scope The change of S
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1.10 The Consultants and the person
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shall serve in that capacity, as sp
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Extra charges for days other Rs 3,5
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Appendix B Consultants’ Sub Consu
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Appendix D Duties of the Client
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Appendix F Minutes of Financial/ Co
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Copy of letter of acceptance Append
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" "
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including and shall be extended fro
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National Highways & Infrastructure
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REQUEST FOR PROPOSALS

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