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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹1564.4 CrAccepted-AOC PATEL ESTATE ROAD JOGESHWARI WEST MUMBAI 400102 | MUMBAI SUBURBAN | MAHARASHTRA | 400102 | ₹1564.4 Cr Quoted ₹1578.9 Cr | L1 | Accepted-AOC As per Bid Conditions |
| 2 | L2₹1593 CrRejected-AOC CRYSTAL TOWER 4TH FLOOR TELIBANDHA RAIPUR | RAIPUR | RAIPUR | CHHATTISGARH | ₹1593 Cr | L2 | Rejected-AOC As per Bid Conditions |
Tender Value
₹1335.9 Cr
EMD Value
₹10 Cr
Closing Date
27 Apr 2020, 5:00 pmClosed
General Manager (CC-I)
Contracts-Civil Division, 2nd Floor, Jyoti Sadan, NHPC Office Complex, Sector-33, Faridabad-121003 (Haryana), India
Lot SSL-6-Construction of Balance Civil works of Power House Complex from HRT Intake Structures to Tail Race Channel, Subansiri Lower HE Project, Assam and Arunachal Pradesh
2020_NHPC_542829_1
NH/CCW/CC-I/CO-97/PR/11519/247
Open Tender
Civil Works
1187 days
Assam and Arunachal Pradesh, India
10 documents required · 10 mandatory
₹40,000
NHPC Limited
₹10 Cr
NHPC Limited, Faridabad, Haryana, India
2 Sept 2020
8 Feb 2020
1 May 2020
8 Feb 2020
27 Apr 2020
3 Mar 2020
24 Feb 2020
Amount
CURRENCY
CURRENCY
Dewatering During Construction
Dewatering of Surface Construction Sites including supply, installation and removal of pumping equipment from the Site(Fixed Rate Item)
Surface Excavation
HRT Intake and Power House
Common Excavation
Rock Excavation by chieseling or mechanised means
Dental excavation
Minor excavation work
Line drilling
Removal of material arising from accepted geological overbreak / slides
Extra for hauling excavated materials beyond 6 km upto 8 km
Extra for hauling excavated materials beyond 8 km
The inspection, monitoring and care of existing rock slopes and maintenance of drains instruments already installed.
Rock supports
Rock anchors
25 mm dia.
- Length 3.0 m
- Length 6.0 m
Extensions for embedding into concrete, where required
32 mm dia.
- Length 6.0 m
- Length 8.0 m
- Length 12.0 m
Extensions for embedding into concrete, where required
Testing & monitoring of rock reinforcing elements
Grouted anchor bar (for concrete) - 25 mm dia
Mesh reinforcement
- Chain link fabric
- Wire mesh
Shotcrete
Shotcrete in surface excavations
Cement variation in shotcrete (Fixed Rate Item)
Backfill
Random backfill/fill
Compacted backfill/fill
Sand-gravel backfill/fill of trenches
Free Draining backfill/fill
Drilling, Grouting and Pressure Relief Holes
Drilling for consolidation grouting in power house plinth
- Drilling of grout holes 45 mm dia.
Drilling of drainage holes from open
- Drilling of 76 mm dia. pressure relief holes
- Supply and installation of 50 mm dia PVC slotted pipes
Drilling of exploratory holes, check holes and holes for instrumentation
- Drilling of 45 mm dia. holes
- Drilling of 76 mm dia. holes
- Drilling of 98 mm dia. holes
- Extra for core recovery
- Extra-over for drilling with triple tube core barrels
Water pressure testing - Simple water test
Embedded pipes and fittings for grouting left permanently in place
Placing grout (including cement)
Fill grouting
- Temporary drainage system
- Exploratory holes
Consolidation grouting
- Single stage
- Multiple stage
Grouting materials
- Bentonite
- Admixtures
Concrete
Concrete in Power house and other surface works
M25/A20 around Turbine parts, beam, column, concreting in high reinforcement density zones in Powerhouse, precast roof slab of powerhouse
M25/A40 in Substructure, Beams, Columns, Slabs & Turbine parts, HRT intake, Tail race channel etc. and backfill concrete, Cladding in Powerhouse slope
M20/A40 in Apron in Tailrace area and backfill concrete & Intake Cladding works
M15/A40 in Mass concrete, lean concrete, concrete in footings, backfill concrete & concrete blocks
Repair of old Concrete done by previous contractor
M20/A20 in levelling concrete in powerhouse roof
Treatment of construction joints of concreting done by previous contractor
Grouting of equipment bearing plates and anchors
Cement variation in concrete (Fixed Rate Item)
Admixtures
- Air-entraining agent
- HRWRA or Superplasticizers
Formwork
Class F1
Class F2
Class F3
Class F1C
Class F2C
Class F3C
Reinforcing Steel
Deformed reinforcing bars
Plain Reinforcing bars
Couplers
Couplers 32mm dia
Couplers 36mm dia
Waterstops and joints
- PVC water stops
- Joint filler
- Joint sealing compound (asphalt seal)
- Bituminous coating
- Rubber joint strip
Metalworks
Handrails and Railings
Galvanised Steel Pipe
Stainless Steel Pipe
Ladders/Steel Stairs/Climbing Irons
Gratings/Hatch covers
Water tight steel cover and frame
Erection hooks
Steel anchorings
Stainless Steel Pipe
Steel pipes
- 100 mm dia.
- 150 mm dia.
- 200 mm dia.
- 300 mm dia.
Cast iron pipes
- 100 mm dia.
- 150 mm dia.
- 200 mm dia.
- 300 mm dia.
- 500 mm dia.
- 1000 mm dia.
Cable channels
Miscellaneous steel sections as edge protection, frames , bearing plates , brackets , etc. of various dimensions , including bolts , screws , anchors and other accessories for interior and exterior purpose
Structural steel work
Supply & erection of steel roof truss
Erection of already fabricated steel roof truss including purlins and bracings
Supply and erection of rocker bearing for Power House roof truss
Building and Architectural Works
Architectural design along with construction of associated architectural works in power house complex (machine hall, auxiliary bay and service bay etc).
Masonry work
Stone masonry
Brick masonry
Concrete blocks
Plastering
Interior wall plastering 12/15 mm
Ceiling plastering 6 mm
Exterior Wall Plastering 25 mm
Flooring and Floor Finishes
Cement Concrete Flooring
Granolithic Concrete Flooring
Epoxy Flooring
Kota Stone Flooring
Acid Proof Tile Flooring
Ceramic Vitrified Tiles
Glazed Tiles on Floor & Walls
Pre- Policed Granite Tiles
Damp Proofing of Walls and Floors
Water Proofing on Roofs
Suspended Ceiling
Moulded aluminium ceiling
Mineral board ceiling
Miscellaneous and Ancillary Works
Fencing and gates
Fencing
Gates (3m x3m)
Concrete pipes
Drain pipes on concrete or sand base
-100 mm dia
-200 mm dia
-300 mm dia
Pipes fully embedded in concrete
-200 mm dia
-300 mm dia
-400 mm dia
PVC Pipes
-50 mm dia
-75 mm dia
-100 mm dia
-200 mm dia
-300 mm dia
SWG pipes
-100 mm dia
-150mm dia half round pipes
Weep holes
Concrete cable channels
Septic Tank including pneumatic pump
Straightening, cleaning of existing exposed reinforcement work from the partially done reinforcement with binding wire, chairs, spacers etc. complete in all respects.
Chipping of concrete in gate groves for 2nd stage concreting for embedment parts.
Restoration of the existing service lines such as water pipe lines, power cables as is where is basis in the existing works.
Slope protection works
Wire crates / Polyprelene Gabions
- Wire crates
- Boulder filling in wire crates
Polyproplene rope Gabions
Size 1m x 1m x 1m (In-situ)
Size 2m x 2m x 1.5m (In-situ)
Size 2m x 2m x 1.5m (assembling, prefilling and placement at specified location)
Random rubble masonry
Rock paving in mortar
Rock pitching with profile wall
Concrete blocks
Monitoring Instruments
Water Level Measuring Gauge
-Mechanical Type
-Automatic Type (Electronic)
Seepage measuring system (mechinical type)
Data acquisition system and web based data monitoring service including sensor networking systems
Supply & Installation of Inclinometer & probe
Supply & Installation of 3 point MPBX
Supply & Installation of 100 T load cell
Supply & Installation of 25 T load cell
Supply & Installation of pore pressure meter
Supply & Installation of Topographical markers
Water Supply and Sewerage
Development works for tapping water source
Pipe work - Laying of water Pipe line
-150 mm nomimal dia
-100 mm nomimal dia
-75 mm nomimal dia
-50 mm nomimal dia
-25 mm nomimal dia
Supply & installation of pump & filter for water supply
Supply and installation of water treament plant
Supply and installation of sewage treament plant
Pipe work - Laying of sewage pipe lines
-100 mm nomimal dia
-150 mm nomimal dia
Road Works
Common excavation
Rock excavation
Construction of subgrade
Random ruble masonry
M15/A40- Lean concrete
Wirecrates and Boulder filling
- Wirecrates
- Boulder filling in wirecrates
Maintenance of Access roads
Concrete M20/A40
Deformed reinforcing bar
Rock anchors, 25 mm dia upto 6 m
Shotcrete
Removal of slided material/debries
Description of Work / Item(s)
Amount
CURRENCY
CURRENCY
DEWATERING DURING CONSTRUCTION
Dewatering of underground Construction Sites including supply,installation and removal of pumping equipment from the Site (Fixed Rate Item)
UNDERGROUND EXCAVATION
Excavation of HRT, Surge tunnels and Adits etc
- Class I, II, IIIA, IIIB
- Class IV, V
- Excavation by multidrifting due to geological reasons
- Removal of undercuts/ humps including above benching line from already excavated portion of heading excavation by others which was left by previous contractors works.
Excavation of Pressure Shaft & Surge Shafts
Excavation in Horizontal portion of Pressure Shaft in all classes of rock
Excavation in Vertical portion of Pressure Shaft & Surge Shafts
Excavation by Slashing
Dental Excavation
Line drilling
Removal of material arising from accepted geological overbreak
Extra for hauling excavated materials beyond 5 km upto 8 km
Extra for hauling excavated materials beyond 8 km
Inspection and monitoring of rock surface and maintenance of drains and instrumentation in tunnels, shafts and adits and care thereof.
Restoration of the existing service lines such as ventilation duct pipes, air/water pipe lines, power cables on as is where is basis in the existing works.
ROCK STABILISATION AND SUPPORTS
Rock Anchors
25 mm dia.
- Length up to 6 m
Extensions for embedding into concrete,where required
32 mm dia.
- Length 3.0 m
- Length above 3.0 m up to 5.0m
- Length above 5.0 m up to 6.0m
- Length above 6.0 m up to 9.0m
Extensions for embedding into concrete,where required
36 mm dia.
- Length up to 9.0 m
Extensions for embedding into concrete,where required
Post-Tensioned Rock Bolts(Tendons)
600 KN upto 20m long post tensioned rock bolts ( Tendons)
Number of heads
Test rock bolts ( Tendons)
Grouted anchor bars 25 mm dia.
- Length up to 6.0 m
Miscellaneous steel profiles used in conjuction with rock support installation
Testing of rock reinforcing elements
Welded wire mesh
Steel ribs,supply and installation
Steel lagging supply and installation including all accessories
Repair/Re-erection of disoriented ribs at appropriate position
Precast concrete lagging
Drilling for Pre grouting
- 45mm dia
Grouting operations for Pre grouting
Fore poling including grouting operations
Pipe Roofing including grouting operations
SHOTCRETE
Shotcrete
Steel fibre reinforced shotcrete (SFRS)
Cement variation in shotcrete (Fixed Rate Item)
Micro Silica/Silica fume
Steel Fibres
DRILLING, GROUTING AND PRESSURE RELIEF HOLES
Drilling for contact grouting
- In tunnels and plugs
- In shafts
Grouting Operations for contact grouting
- In tunnels and plugs
- In shafts
Drilling of 45 mm dia. holes for consolidation grouting
- In Tunnels and plugs
- In Shafts and adits
Grouting Operations for consolidation grouting
- Single stage grouting
- Multi stage grouting
Drilling of 45 mm dia holes for curtain grouting in tunnel plugs
- Drilling for curtain grouting
Grouting Operations for curtain grouting
- Multi stage grouting
Drilling of drainage holes in the tunnels
- Drilling of 50 mm dia Holes
- Drilling of 45 mm dia. holes
- Supply & installation of PVC pipe 36 mm dia.
- Supply and installation of drain outlet devices
Drilling of exploratory holes, check holes and holes for instrumentation in tunnels
- Drilling of 45 mm dia. holes
- Drilling of 76 mm dia. holes
- Extra for core recovery
Water pressure testing -Simple water test
Embedded steel pipes and fittings for grouting left permanently in place
Cement for Contact grouting ordered by the Engineer-in-Charge
Fill grouting
- In temporary drainage system
- In exploratory holes
Grouting materials
- Cement
- Bentonite
- Admixtures
Microfine/ Ultrafine cement
Chemicals (polyurethane or other resin based)
CONCRETE
Concrete lining (PCC/RCC) including formwork in all Hydraulic Tunnels (HRT & Surge Tunnels), Shafts and Adits
M25/A20 in overt of hydraulic tunnel
M25/A20 in overbreak of previous contractor works and geologically approved overbreak
M25/A40 in invert of hydraulic tunnel
M25/A40 around pressure shaft steel liner
M20/A40 in invert of Adit tunnel
High performance Concrete (PCC/RCC) in Tunnels/shaft
M60/A20 in overt of hydraulic tunnel
M60/A20 in invert of hydraulic tunnel
M60/A20 in vertical shaft
Miscellaneous Concrete Work
M15 / A40 backfill concrete in underground excavations in geologically approved overbreaks including formworks and at non specified place
M20/A40 Concrete in plug in adits of HRTs and Pressure Shafts
Repair of old concrete, removal of shutters and cutting of left out reinforcement in the existing structure and finishing the same.
Treatment of constrcution joints of previous contractors works
Admixtures
- Air-entraining agent
- HRWRA or Superplasticizers
- Silica Fumes
Cement variaton in concrete (Fixed Rate Item)
Reinforcing Steel
Deformed reinforcing bars
Couplers
- 32 mm dia.
- 36 mm dia.
MONITORING INSTRUMENTS
Supply , installation and commisioning of monitoring instruments
Load Cells
Measuring Tape
Tape convergence points
Tape convergence points including optical techniques
Single point borehole extensometer
Multiple point borehole extensometer
Read Out Units
Cables
CLEAN UP WORKS
Washing and Cleaning of Invert of Water Conductor system before initial filling
Description of Work / Item(s)
Amount
Group A surface works - Item rate (BoQ1)
Group B underground works - Item rate (BoQ2)
Larsen and Toubro Limited
Patel Engineering Limited
Larsen and Toubro Limited
Bidder Name
Patel Engineering Limited
Larsen and Toubro Limited
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