Package C-2 Restoration of drainage System and Slope Protection works at Bye Pass Tunnel Area and Penstock Area, at Loktak Power Station in Manipur.

Amount

BYE PASS TUNNEL AREA & OTHER AREAS

Surface Excavation & Earth Filling

Common Excavation

Minor Excavation

Providing and laying earthfill obtained from excavation including the cost of all materials, carriages, labour, placing and spreading, compaction and sprinkling with water as needed for the materials, etc. as per drawing and as per technical specifications or as directed by Engineer-in-Charge.(including all leads and lifts)

Drilling and Installation of Pressure Relief Holes

Drilling/ Re-drilling of 45mm dia. holes

Supply & Instalation of perforated PVC pipe 36 mm dia.

Concrete

Concrete Works

Reinforced Cement Concrete (M20/A20) including formwork, etc.

Plain Cement Concrete (M20/A20) including formwork, etc.

25mm thick Cement Plaster of mix 1:4 (1 cement :4 coarse sand)

Reinforcing Steel

Deformed Reinforcement Bars Grade Fe 500

Slope Protection

Mechanically woven double twisted hexagonal wire mesh gabions

Supply of mechanically woven double twisted hexagonal gabions (Zn coated) of size 2mx1mx0.5m with one diaphragm having mesh opening 100mm x 120 mm, mesh wire diameter 2.7mm, edge/ selvedge wire diameter 3.4mm and lacing wire diameter 2.2mm conforming to IS:16014 and as per technical specification.

Supply and placing boulders of around 20 kg to 40 kg in weight and 150 mm to 300 mm in size in gabion box including cost of supply of lacing wire/ rings for tying, cost of tying the lid of gabions with lacing wire/ rings as per the specification.

Placing boulders obtained from excavation of around 20 kg to 40 kg in weight and 150 mm to 300 mm in size in gabion box including cost of supply of lacing wire/ rings for tying, cost of tying the lid of gabions with lacing wire/ rings as per the specification.

Supply and fixing of mechanically woven double twisted hexagonal wiremesh (Zn coated) of 0.5m width having mesh opening 100mm x 120 mm and mesh wire diameter of 2.7mm dia conforming to IS: 16014 for repair of existing damaged wire crates including cost of supply of lacing wire/ rings for tying and cost of tying with existing wirecrate as per the technical specification.

Geosynthetic materials

Laying of geotextile including cost of supply, storage and transportation upto site as per specification.

Laying of geomembrane including cost of supply, storage and transportation upto site as per specification.

Supply and placing boulders of around 20 kg to 40 kg in weight and 150 mm to 300 mm in size for Rock Trench/Contour drain (Proposed), Nala depressions (Restoration) & other areas in as per the specification.

PENSTOCK AREA BETWEEN ANCHOR BLOCK 11 - 12

Surface Excavation & Earth Filling

Common Excavation

Minor Excavation

Providing and laying earthfill obtained from excavation including the cost of all materials, carriages, labour, placing and spreading, compaction and sprinkling with water as needed for the materials, etc. as per drawing and as per technical specifications or as directed by Engineer-in-Charge.(including all leads and lifts)

Drilling and Installation of Pressure Relief Holes

Drilling/ Re-drilling of 45mm dia. holes

Supply & Instalation of perforated PVC pipe 36 mm dia.

Concrete

Concrete Works

Plain Cement Concrete (M20/A20) including formwork, etc.

Reinforced Cement Concrete (M20/A20) including formwork,etc

Reinforcing Steel

Deformed Reinforcement Bars Grade Fe 500

Slope Protection

Geosynthetic materials

Laying of geotextile including cost of supply, storage and transportation upto site as per specification

Laying of geomembrane including cost of supply, storage and transportation upto site as per specification

Supply and placing boulders of around 20 kg to 40 kg in weight and 150 mm to 300 mm in size for Contour drain & Step drain (Proposed) and in other areas as per the specification.

Stone masonry work in cement mortar 1:3 for foundation complete as per drawing and technical specification. -- Random Rubble Masonry ( Coursed/ uncoursed)

K Santabiren Singh

STARCON INFRA PROJECT INDIA PRIVATE LIMITED