NHPC Limited Tender

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NHPC Limited - NHPC Tender

Works
Civil And Construction
Civil Works Others
Eprocure

Opening Date

21 Jun 2024

Closing Soon

8 Jul 2024

Tender Amount

₹ 2,42,51,00,000 
Notes
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Costs

Summary

Package-6, Modification Of Diversion Tunnel Into Tunnel Spillway Arrangement - Civil And Hm Works (tunnel Spillway, Adit To Goc, Goc Gate Shaft, Inlet Bellmouth,

Description

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GEM & Bid Advisory Services
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BOQ Items

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DO_NOT_SHOW

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View all details for FREE
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Rock Excavation

10000

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Underground Excavation

-

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Excavation of Tunnel Spillway & Environment flow tunnel

-

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Class I, II, III

50000

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Class IV, V

21700

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Excavation of Gate operation chamber including excavation of Gate shaft in all classes of rock, Shaft for Environmental Flow tunnel & its Access Gallery & construction adit

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Excavation of Gate operation chamber in all classes of rock including Adit to GOC and Access Gallery to Shaft for Environmental Flow tunnel

17700

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Excavation in Gate shafts and Shaft for Environmental Flow tunnel in all classes of rock

11000

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Removal of material arising from overbreak accepted due to geological conditions.

10000

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Line Drilling

1510

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Dental Excavation

50

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Dismantling of existing concrete

2000

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Common Excavation (silt removal from existing diversion tunnel)

43200

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Extra for haulage beyond 3 km and upto 6 km

20000

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Rock Stabilization and Supports

-

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Rockbolts 25mm dia. Including accessories in Tunnel Spillway, GOC, Gate Shaft, environment-flow tunnel & Construction Adit

-

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Length upto 4.0m

5000

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Length more than 4.0m and up to 6.0 m

52000

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Rockbolt Testing

100

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Extension for embedding into concrete where required

500

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Rockbolts 32mm dia. Including accessories in GOC

-

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Length more than 6.0m and up to 9.0 m

20000

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Rockbolt Testing

25

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Rock anchors 25mm dia. Including accessories in Tunnel Spillway Portal

-

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Length more than 4.0m and up to 6.0 m

4000

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Grouted Anchors Bars

-

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Length up to 4.0m

-

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25 mm dia

380

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32 mm dia

50

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Length more than 4.0m and up to 6.0 m

-

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25 mm dia

6000

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32 mm dia

2000

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Self Drilling Hollow Core Anchor - 25 mm dia

1000

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Steel Ribs

300

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Precast Concrete Lagging

390

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Steel Lagging

20

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Forepoling

1500

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Grouting Operations

150

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Pipe roofing 88.9 mm dia High Tensile Steel including grouting operation

2000

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Welded Wiremesh

2500

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Post tensioned Rockbolts (Tendons)

500

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Testing of Post Tensioned Rock Bolts

1

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Shotcrete

-

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Plain Shotcrete

250

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SFR Shotcrete excluding steel fibre

2400

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Micro silica

100

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Steel Fibers

90

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Superplastisizers

19200

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Cement variation in Shotcrete (fixed rate item)

84

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10428.25

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Embankment Construction and Backfill

-

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Compacted Backfill (for roadworks at inlet, outlet portal and embankment etc.)

62800

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Random Backfill

2650

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Drilling, Grouting and Pressure Relief Holes

-

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Contact Grouting

-

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Drilling 45mm holes for Contact Grouting

1500

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Grouting Operation

1500

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Consolidation Grouting

-

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Drilling 45mm holes for Consolidation Grouting

4900

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Grouting Operations

980

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Grouting materials

-

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Cement

400

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Admixtures

4

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Drainage Holes

-

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Drilling of 45mm holes for Drainage/Pressure relief holes

5200

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Supply and installation of 36 mm dia perforated PVC pipes

5200

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Concrete

-

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Concrete in Tunnels & Adits (including formwork)

-

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PCC lining M25/A40 in tunnel invert

228

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PCC lining M25/A40 in tunnel overt

600

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PCC lining M25/A40 in tunnel overt in geologically approved overbreaks at (75% rate of 9.1.2)

300

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High Performance Concrete (HPC) excluding silica fumes M70/A20

-

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Lining in tunnel invert

5200

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Lining in tunnel overt

5800

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lining in tunnel overt in geologically approved overbreaks at (75%rate of 9.1.3.2)

3900

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At Bellmouth

11900

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Slilca fumes

1206

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Backfill Concrete M15/A40 in geologically approved overbreaks

3700

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M15/A80 at inlet portal

12000

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Self Compacting Backfill concrete M20/A40 behind steel liner in Tunnel Spillway and steel pipe for environmental flow

3300

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M20/A40 in Geologically approved overbreaks (75% rate of 9.2)

900

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M25/A40

-

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At Outlet Portal (including formwork)

500

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GOC & Gate shaft (including transitions) (including formwork)

12200

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Second stage concrete (self compacting) M35/A20 (including formwork)

200

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Concrete Cladding M20/A20 (including formwork)

1200

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Concrete Blocks M25/A40 (including formwork)

150

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M35/A40 Concrete in Energy Dissipation Arrangement (including formwork)

5000

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Construction of (M25/A20) RCC slab bridge, approach slabs etc as per IRC classification rested over pier/abutment of dam, complete in all respect as per drawings and specifications (including formwork)

-

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M25/A20 grade concrete

210

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Pre-cast unit (Beams)

900

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M30/A20 Concrete in pedestals over piers for bridge (including formwork)

250

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Concrete in training wall, concrete cladding, coffer dyke,tunnel Plug etc. (including formwork)

-

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M15/A40

5000

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M25/A40 RCC

500

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Tunnel Plug -M20/A40

9000

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Bridge ancillaries

-

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Elastomeric bearing pads

100

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Drain boxes

35

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Cement Variation (fixed rate item)

1500

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10428.25

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Super Plasticizer

333200

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Air entraining agent

20900

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Providing and applying Epoxy mortar for repair works in existing tunnel

1000

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Providing and applying Cementitious mortar for repair works in existing tunnel

2000

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Providing and applying of two-components epoxy binder (resin & hardner) conforming to ASTM C881 Type-IV, Class C as per technical specification

100

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Designing,supplying and fixing rebars in already cast concrete including drilling and injection of epoxy as per Technical specification all complete

-

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25mm dia

825

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32mm dia

165

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36mm dia

110

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Reinforcing Steel

-

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Deformed Reinforcing steel Fe 500

2110

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Slope and River Bed Protection Works

-

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Supply and placing boulders of around 20 kg to 40 kg in weight and 150 mm to 300 mm in size in PP rope gabion for box barrage protection.

3000

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Supply of 9 mm 4-strand Polypropylene (PP) Rope Gabions (UV stabilized size 2m x 1m x 1m).

1500

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Supply and placing boulders of around 20 kg to 40 kg in weight and 150 mm to 300 mm in size in Boulder Wire Crates

3000

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Supply of mechanically woven double twisted hexagonal gabions of size 2m x 1m x 1m (Zn coated).

1500

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