Construction of Balance Civil Works Package- Lot-I for Barrage, Desilting Basins, SFT, Intake Structure, Part of HRT-I and HRT-II and other associated Structures etc. of Teesta-VI HE Project, Sikkim

Amount

CURRENCY

CURRENCY

Dewatering During Construction

Dewatering of Surface Construction Sites including supply, installation and removal of pumping equipment from the site

Surface Excavation

Common excavation

Rock excavation

Control perimeter blasting

Line drilling

Dental excavation

Minor excavation

Removal of material arising from overbreak accepted due to geological conditions

Extra for haulage of excavated materials

Beyond 2 km and upto 4 km

Rock stabilization and Supports

Rock Anchors 25 mm dia

Length upto 4.0 m

Length more than 4.0 m and upto 6.0 m

Rock Anchors 32 mm dia

Length upto 6.0 m

Length more than 6.0 m and upto 9.0 m

Length more than 9.0 m and upto 12.0 m

Rock Anchors 36 mm dia

Length more than 6.0 m and upto 9.0 m

Length more than 9.0 m and upto 12.0 m

Extensions for embedding into concrete where required

Rock Anchor Testing

Rock anchor 25 mm dia.

Rock anchor 32 mm dia.

Rock anchor 36 mm dia.

Mesh reinforcement

Welded wiremesh

Chain link fabric

Grouted Anchor bar

25 mm dia.

32 mm dia.

Shotcrete

Plain Shotcrete

Cement variation in shotcrete

Superplasticiser

Embankment Construction and Backfill

Coffer dyke in 2nd & 3rd Stage River Diversion

Zone 1 Compacted Clay Core

Zone 2 Graded Filter material

Zone 3B Compacted Roackfill material

Riprap

Compacted Backfill for rasing bed level in barrage d/s bed protection area, Intake & Desilting basin area etc.

Drilling, Grouting and Pressure Relief Holes

Drilling for consolidation grouting

Drilling for grout holes 45 mm dia

Placing grout (excluding cement)

Consolidation grouting

Drilling for Pressure Relief holes

Drilling of 45 mm dia hole

Supply and installation of 36 mm dia perforated PVC 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

Water Pressure testing- simple water test

Grouting materials

Cement

Bentonite

Admixtures

Cutoff/ Diaphragm wall

Excavation of Trench

-M25/A20 Grade concrete (1m thick) including all ingredients

-RCC M25/A40 in Capping of cutoff wall

-RCC M25/A40 Precast concrete guide wall of cutoff (including form work)

Jet grouting

Jet grouting on coffer dyke complete in all respect including material, equipment, testing and monitoring

Jet grouting trials including reports etc.

Concrete

Concrete in Barrage

-PCC M10/A20 levelling concrete

-RCC M25/A40 in floor, Piers, Divide wall & Training wall

-RCC M35/A40 RCC in piers

-RCC M45/A40 in piers and trunnion brackets excluding silica fume

-High performance concrete in barrage bays excluding silica fume - M70/A20

Silica Fume

Concrete in Head regulator,Desilting basin and HRT Intake etc

-PCC M10/A20 levelling concrete

-PCC M15/A40

-RCC M25/A40

Concrete in River Diversion & Protection work

-PCC M10/A20 levelling concrete

-RCC M25/A40 in left & right bank cladding, Toe wall

-PCC M25/A40 in CC blocks

-RCC M35/A20 blockout concrete for equipment embedment(Self compacting concrete)

-RCC M25/A40 for bridge

Bridge ancillaries

-Elastomeric bearing pads

-Drain Boxes

-PCC M10/A80 Backfill Concrete in surface works

-RCC M25/A20 in control room, DG room & Power Pack room etc.

-RCC M25/A20 for miscellaneous work

Cement variation in concrete

Admixtures for concrete

Air-entraining agent

Superplasticizer

Providing and applying high performance cementitious mortar complying with EN 1504-3 (R4)

For structural repair works

Reinforced/Plain cement Concrete cutting and Demolition & Dismantling

Cutting of concrete members using diamond wire saw for reuse

Cutting through the existing contraction joint

Cutting through the intact concrete

Cutting of concrete members using diamond wall saw for reuse

Demolition and Dismantling including separation of the concrete by mechanical means

Breaking of existing concrete for modification and reuse of structure

Repair/Rehabilitation and modification of Concrete

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

36 mm dia.

32 mm dia.

25 mm dia.

Fixing of waterstop in the existing concrete structure including groove cutting, installation of waterstop and epoxy grouting

300 mm wide

150 mm wide

Supply of two-components epoxy binder (resin & hardener) conforming to ASTM C881 Type-IV, Class C as per technical specification

Supply of well graded quartz sand/filler for use in epoxy mortar as per technical specification

Fixing Tor steel anchors in the existing concrete as per Technical specification

Surface preparation of old concrete by way of running wire brush and chiseling for laying of concrete including all stages and scaffolding etc.

Drilling of 32 mm dia holes for 25 mm dia steel anchors and 500 mm deep into old concrete by way of jack hammer or other suitable equipment.

Epoxy resin system of approved make filling in drilled holes for anchoring including the cost of all materials carriage,staging, scaffolding and labour etc. complete finished item.

Providing and fixing of 25 mm dia Tor steel anchors bent to shape in the drilled holes by suitable means.

Formwork

Class F1

Class F1C

Class F2

Class F2C

Class F3

Class F3C

Reinforcing Steel

Deformed Reinforcing bars

Plain reinforcing bars

Couplers

32 mm dia

36 mm dia

Prestressing System for Concrete

Design, supply of material, installation, testing and commissioning of Post-tensioned cables (19-15.2 mm dia, high tensile low relaxation strand with 260.7 KN breaking strength) in piers & brackets and integration of prestressing system with RCC Barrage structure complete in all respect.

Waterstops and joints

PVC Water stops

150 mm wide

300 mm wide

Joint fillers

Joint Sealing Compound

Bituminous compound

Joint Sealant (Including primer)

Metalworks

Railing

SS pipe

GI pipe

Steel pipe hand rail

Ladders

Gratings

Climbing irons

Steel pipe of any diameter

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.

Installation of Metal works supplied by other contractor

Steel covers, frames

Building and Architectural Works

Architectrual design and construction of control room, DG room and power pack room alongwith associated architectural works for barrage complex.

Miscellaneous and Ancillary Works

Fencing and gates

Fencing

Gates

Weep holes

PVC Pipes

36 mm dia

50 mm dia

75 mm dia

100 mm dia

150 mm dia

200 mm dia

Slope and river bed protection works

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.

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

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

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

Random Rubble Masonary Wall

Wet R R Masonry

Dry R R Masonry

Graded filter below CC blocks

Mulching / Plantation of Grass / Shrubs

Jute Geo-Textiles

Balli Benching

Bamboo Piling

Slope stabilization with Pile walls and Ground anchors

Design, supply, drilling, installation,grouting, prestressing, testing and commissioning of Ground anchors of 100T ultimate load holding capacity including cables,anchors,grouting operations,double corrosion protection, etc as per Technical specification all complete.

Length upto 20m

Length more than 20m upto 30m

Length more than 30m

Design, Boring,stabilization and installation of cast-in-situ RCC pile of grade M30/A20 of diameter 800mm with depth & spacing required as per design excluding cost of steel reinforcement as per Technical specification all complete.

Design, casting, installation of RCC waler beam of grade M35/A20 of size & spacing required as per design excluding cost of steel reinforcement as per Technical specification all complete.

Monitoring Instruments

Automatic weather station

Piezometer

Joint meter

Stress meter

Strain meter

No-Stress strain meter

Temperature gauges

water level recorder

Surface Settlement Point

Uplift measuring device

Strong motion accelorograph

Load Cells 30t capacity (Electrical Type)

Load Cells 120t capacity (Electrical Type)

Multiple point Bore hole Extensometer

Electrical type

Optical targets

Calibrate, test, survey, maintain and monitoring of already existing instruments like pressure cell, piezometer etc. as per technical specifications

Portable Data read out unit for electrical instruments like joint meter, stress meter, piezometer etc.

Data acquisition system and web based data monitoring

Water Supply & Sewerage

Laying of water G.I. Pipe line with complete fittings, fixing valves, testing and commissioning

100 mm nominal dia

75 mm nominal dia

50 mm nominal dia

25 mm nominal dia

Supply & installation of pumps 3 H.P capacity for water supply including all electric panels, cables, level switches etc.

No. of Operational units

No. of Standby units

Design, supply & installation of Water treatment plant including Sodium hypochlorite dosing unit with complete accessories as specified in Technical specification.

Supply and installation of automatic sewage treatment plant for barrage control room

Laying of HDPE sewage Pipe line including fittings and fixtures

150 mm nominal dia

100 mm nominal dia

Design, supply & installation of Pumping unit for sewage system

Electrical and Mechanical works

Illumination system

Drainage pumping system for barrage

Grounding works for barrage, Desilting basin, Head Regulator and Intake

Roadworks

Earth work in excavation by mechanical means (Hydraulic Excavator)/manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan),including dressing of sides and ramming of bottoms, lift upto 1.5m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m.All kind of soil.

Extra for lead beyond 50 m upto 1 Km for Item No-21.1

Excavation work by mechanical means (Hydraulic Excavator)/manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan),including dressing of sides and ramming of bottoms, lift upto 1.5m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m.: Ordinary Rock/Hard Rock (Blasting Prohibited)

Extra for lead beyond 50 m upto 1 Km for Item No-21.3

Surface Excavation

Common Excavation

Rock Excavation

Providing & making Gabion structure with Mechanically woven Double Twisted Hexagonal shaped wire mesh gabion boxes as per IS 16014:2012,MORTH clause 2500,of required size,Mesh type 10x12(D=100mm with tolerance of + 2%) Zinc coated,Mesh wire dia 3.0mm, mechanically edged /selveged with partitionsat every with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist ,tying with lacing wire of diameter 2.2mm, supplied@3% by weight of Gabion boxes, filled with boulder with least dimensions of 200mm, as per direction of Engineer- in-charge.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and Laying Plum concrete in 1:4:8 c.c.(1cement, 4 coarse sand, 8 clean hard graded stone chips of 40 mm down nominal gauge) with 50% clean hard stone of sizes not exceeding 15 cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

Lined Drain

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete.

Supplying and stacking at site

90 mm to 45 mm size stone aggregate

63 mm to 45 mm size stone aggregate

53 mm to 22.4 mm size stone aggregate

Stone screening

Stone screening 13.2 mm nominal size (Type A)

Stone screening 11.2 mm nominal size (Type B)

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road/vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density .

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications :On W.B.M. @ 0.75 Kg / sqm .

4 cm thick bitumastic sheet with hot bitumen of approved quality, using stone chippings (60% with 12.5 mm nominal size and 40% with 10 mm nominal size) @ 2.60 cum per 100 sqm and coarse sand @ 2.60 cum per 100 sqm of road surface and with bitumen @56 kg/cum of stone chippings and @ 128 kg/cum of sand over a tack coat with hot straight run bitumen, including consolidation with road roller of 8 to 10 tonne etc. complete. (tack coat to be paid separately) : With paving Asphalt grade VG - 10 heated and then mixed with solvent at the rate of 70 grams per kg of asphalt.

Providing and laying seal coat of premixed fine aggregate ( passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG - 10 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface, including rolling and finishing with road roller all complete.

Repair & Maintenance of Internal/access road & other roads

Double Lane (F.W.)

Intermediate Lane (F.W)

Single Lane (F.W.)

Repair & Maintenance of WBM & Bituminous Carpeting ordered by Engineer-in-Charge

Supplying and stacking at site

90 mm to 45 mm size stone aggregate

63 mm to 45 mm size stone aggregate

53 mm to 22.4 mm size stone aggregate

Stone screening

Stone screening 13.2 mm nominal size (Type A)

Stone screening 11.2 mm nominal size (Type B)

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road/vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density .

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications : On W.B.M. @ 0.75 Kg / sqm .

4 cm thick bitumastic sheet with hot bitumen of approved quality, using stone chippings (60% with 12.5 mm nominal size and 40% with 10 mm nominal size) @ 2.60 cum per 100 sqm and coarse sand @ 2.60 cum per 100 sqm of road surface and with bitumen @56 kg/cum of stone chippings and @ 128 kg/cum of sand over a tack coat with hot straight run bitumen, including consolidation with road roller of 8 to 10 tonne etc. complete. (tack coat to be paid separately) : With paving Asphalt grade VG - 10 heated and then mixed with solvent at the rate of 70 grams per kg of asphalt.

Providing and laying seal coat of premixed fine aggregate (passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG - 10 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface, including rolling and finishing with road roller all complete.

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 1000 mm dia. R.C.C. Pipe.

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

Underground Excavation

Excavation of all Tunnels i.e HRT and its construction Adits, Silt Flushing Tunnel (SFT) etc.

Class I, II, & III

Class IV and V

By Multiple drifting due to geological reasons

Removal of material arising from overbreak accepted due to geological conditions

Extra for haulage of excavated materials

Beyond 2 km and up to 4 km

Line drilling

Dental excavation

Rock stabilization and Supports

Resin grouted rockbolts 25 mm dia

Length up to 4.0 m

Length more than 4.0 m and up to 6.0 m

Resin grouted rockbolts 32 mm dia

Length up to 6.0 m

Length more than 6.0 m and up to 9.0 m

Rockbolt testing

Rockbolts 25 mm dia

Rockbolts 32 mm dia

Extension for embedding into concrete where required

Water expandable friction anchor

Length up to 6.0 m

Self Drilling Hollow Core Anchor

25 mm dia

32 mm dia

Self Drilling Fibre Glass rockbolt 25 mm dia

Length up to 6.0 m

Mesh reinforcement

Welded wiremesh

Lattice Girder

Steel ribs, supply and installation (including accessories)

Steel lagging supply and installation

Precast concrete lagging

Pregrouting

Drilling for Pregrouting

45 mm dia holes

57 mm dia holes

Grouting Operations

45 mm dia holes

57 mm dia holes

Fore poling

Fore poling (Drilling & Installation)

Grouting Operations

Pipe Roofing

Pre-drainage holes 45 mm dia

Shotcrete

SFR Shotcrete excluding steel fibre

Plain Shotcrete

Cement variation in shotcrete

Superplasticizer

Steel fibre

Micro silica

Drilling, Grouting and Pressure Relief Holes

Contact Grouting

Drilling of 45 mm dia holes for contact grouting

In the Tunnels

For tunnel plug

Grouting Operations

In the Tunnels

For tunnel plug

Drilling of 45 dia holes for Consolidation grouting

In tunnels & tunnel plug

Redrilling of holes

In the Tunnels (50% of rate in 7.1.1.1)

For tunnel plug (50% of rate in 7.1.1.2)

Drilling for curtain grouting for tunnel plugs

Grouting operations

Redrilling for Curtain Grouting (50% of rate in 7.3)

45 mm dia pressure relief holes in the tunnels and caverns

Drilling of 45 mm dia hole

Supply and installation of 36 mm dia perforated PVC pipes

Supply and installation of drain outlet devices

Non Return Valves (NRV)

Drilling of exploratory holes, check holes and holes for instrumentation in tunnels and caverns

Drilling of 45 dia holes

Drilling of 76 dia holes

Drilling of 98 dia holes

Extra for core recovery

Water pressure testing - simple water test

Embedded pipes and fittings for grouting left permanently in place

Placing grout (Excluding cement)

Contact grouting ordered by the Engineer-in-Charge

Fill grouting

In Temporary drainage system

In exploratory holes

Consolidation grouting including grouting for tunnel plug

-Single stage grouting

-Multiple stage grouting

Grouting materials

Cement

Bentonite

Admixtures

Microfine cement

Colloidal Silica

Concrete

Plain Cement Concrete lining in Invert including formwork in all tunnels

-High performance concrete excluding silica fume - M70/A20

Silica Fume

Plain Cement Concrete lining in Overt including formwork in all tunnels

-M25/A40 in Geological Approved Overbreaks (75% of rate in 9.2.1)

-M20/A40 in Geological Approved Overbreaks (75% of rate in 9.2.3)

Reinforced Cement Concrete in Tunnels

-M25/ A40 in Geological Approved Overbreaks (75% of rate in 9.3.1)

Tunnel plugs - M20/ A40

Concrete in Blockouts M30/ A20

M15/A40 backfill concrete behind steel ribs in geologically approved overbreaks in tunnels, shafts & caverns

Cement variation in concrete

Admixtures for concrete

Air-entraining agent

Superplasticizer

Providing and applying high performance cementitious mortar complying with EN 1504-3 (R4)

For closure of grout holes

For structural repair works

Providing and applying integral crystalline slurry conforming to DSR Item code no. 22.23 to the concrete structures like retaining walls, water tank, tunnels etc.

For vertical surface two coats @0.70 kg per sqm per coat

For horizontal surface one coat @1.10 kg per sqm

Providing and applying crystalline mortar conforming to DSR Vol-II, Yr-2016, Item code no. 22.25 for the treatment of construction joints, cracks, tie rod holes and spalled & honeycombed surface of PCC/RCC underground structures like basement, water tanks, tunnels etc. to ensure water tightness.

Epoxy Mortar for repair of concrete

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

Providing and applying of well graded quartz sand/filler for use in epoxy mortar as per technical specification

Reinforcement Steel

Deformed Reinforcing bars - Grade Fe 500

Plain reinforcing bars

Metalworks

Installation of metalworks supplied by others

Monitoring Instruments

Supply, installation and commissioning of monitoring instrument as per technical specification.

Load cells

Tape convergence points

Optical targets

Single point borehole extensometer

Mechanical type

Electrical type

Piezometers

Read out units

Read out units for Electrical load cells

Read out units for other electrical instruments like extensometer, piezometers etc.

3D - TSP (Tunnel Seismic Prediction) Test

Description of Work / Item(s)

Amount

Group A surface works - Item rate (BoQ1)

Group B underground works - Item rate (BoQ2)

Jaiprakash Associates Limited

Larsen and Toubro Limited

Larsen and Toubro Limited

Bidder Name

Jaiprakash Associates Limited

Larsen and Toubro Limited