Bill of Quantity. Unit Price in words (Nu) Unit Price (Nu) Code Description Unit Quantity. Amount (Nu) CP-AR-

Transcription

1 in RS-AR- 04 RS-AR Access track rehabilitation, to Vegetation clearing as necessary for both the track section to undergo rehabilitation, and track section to be extended/created Earthworks according to TS for creation of track for sections to be extended/created including extension to base of Reldri School landslide. Preparation of suitable track base camber and management of surface water Periodic maintenance during construction site duration Access track surface layer, to Supply, laying, and compaction of 10cm layer of gravelly material along entire track length, for both the track section to undergo rehabilitation, and track section to be extended/created. Thickness refers to compacted thickness. Periodic maintenance of this surface layer during construction site duration as specified in TS Earthworks at Reldri School Road, to All vegetation clearing necessary for earthworks All earthworks and excavations to required elevation levels and using means as described in Technical. Removal of excavated material to deposit area as Surface layer application at Reldri School road, to Supply, laying, and compaction of 10cm thick gravelly layer of material of grade 2/100. Thickness refers to compacted thickness. Excavation earthworks for nailed wall, to Vegetation clearing for vegetation including all trees below 300mm girth as described in the Technical Tree removal for trees above 300mm girth as described Levelling of mounds at top of the landslide Excavations in preparation for wall, carried out using the means Removal of surplus excavated material to deposit as described in Technical Infill using sandbags to create earth platform between profiles 7 and 8, to Infill by earth platform creation using sandbags between profiles 7 and 8 as required m 3 4,800 m² 4,800 m 3 1,100 m² 400 m 3 53,000 m 3 500

2 in Construction of nailed wall, to 08 Supply and installation of wall facing reinforcement in the form of welded wire mesh Supply and installation of formwork including lost formwork where required EW003 0/31 Supply and application of shotcrete for wall facing, including supply and installation of equipment required for shotcreting, accessories such as spacing devices to ensure required steel coverage and width dimensions, and shotcrete provision for compensation terrain-wall layer where required Supply and installation of nail head devices (plate, nuts ) Control tests relating to the construction of the nailed wall, in particular the conformity and control tests on the grout and concrete Borehole drilling and installation of soil nails, to Borehole drilling for wall nails, including supply, installation, and use of drilling equipment and necessary accessories to drilling Supply and installation of wall nail bars of diameter 40mm, including all accessories required (such as spacers, grout socks as described in Technical, all grout ) Control tests relating to the construction of the nailed wall, in particular the conformity and control tests on the soil nails Construction of parapet at top of wall, to All supplies and work relating to the masonry work for the parapet construction at the wall top Construction of sub-horizontal drains, to Borehole drilling for sub-horizontal drains, including supply, installation, and use of drilling equipment and necessary accessories to drilling Supply and installation of pipes in conformity with the Technical Construction of weephole drainage pipes, to Supply and installation of pipes as required for nailed wall, as Excavations for large gabion dams, including: Excavation for foundation of dam using means described in TS m² 1,620 ml 5,250 m ml 590 U 338 m 3 300

3 in Supply of all materials, installation in situ, and filling of AR-12 required volume of principal dam gabions in manner required Supply of all materials, installation in situ, and filling of required volume of thin anti-scour gabions of thickness 0.4m in manner required m 3 1,400 AR-13 EW003 0/31- Backfill for large gabion dams, including: Installation of backfill with compaction to 50% volume as Filling at back of dam at a maximum slope of 7 in conformity with the Technical Excavations for large sandbag dam foundations, to Excavation for foundation of dam using means described in Technical m 3 1,050 m AR-14 Sandbags required for large sandbag dams, filled with sand, to Supply of all materials, filling, and installation in situ of required volume of sandbags for centre of structure in manner required m AR-15 AR-12- Sandbags for large sandbag dams, filled with sand/soil mix, to Supply of all materials, filling with earth/sand mix, and installation in situ of required volume of surface layer sandbags with gunny bags in manner required in the Technical Fill between the sandbags at surface layer as described Gabions of thickness 0.4m for large sandbag dams, to Supply of all materials, installation in situ, and filling of required volume of thin, anti-scour gabions of 0.4m thickness in manner required in the Technical m m AR-13- Backfill for large sandbag dams Installation of backfill with compaction to 50% volume as Filling at back of dam according to slopes described in the Technical m 3 2,300

4 in Sandbags required for small sandbag dams, filled AR-14- with sand, to Preparation of platforms to receive small dams AR-15- Supply of all materials, filling, and installation in situ of required volume of sandbags for centre of structure in manner required Sandbags required for small sandbag dams, filled with sand/soil mix, to Supply of all materials, filling with earth/sand mix, and installation in situ of required volume of surface layer sandbags with gunny bags in manner required in the Technical Fill between the sandbags at surface layer as described m 3 70 m 3 70 AR AR-16 Backfill for small sandbag dams, to Backfill to the dams as described in the Technical Bioengineering, phase 1, on areas of active erosion, to Preparation of the areas to be planted m 3 76 AR-17 sowing seeds and live staking Fencing including the area to be vegetated All seed sowing and planting activities, including supply and installation of geotextile jute mat sowing/planting where necessary. Bioengineering, phase 2, on areas already partially vegetated, to Preparation of the areas to be planted all sowing and planting activities as described in the Technical section All seed sowing and planting activities sowing/planting for each type of planting, where necessary. m² 30,200 m² 84,000

5 in Bioengineering, phase 3, on facing of all sandbag AR-18 dams, to Preparation of the slope to be planted AR-19 sowing seeds and live staking All seed sowing and planting activities, including supply and installation of geotextile jute mat sowing/planting where necessary. Bioengineering, phase 4, in saturated gully beds behind small dams, to Preparation of ground for planting purposes planting seedlings and bamboo culms All planting activites Maintenance work on planting and fencing for a period of one year to include a phase of replacement planting where necessary m² 1,910 m² 800