Construction of flood wall along L/B of river Pamohi at different reaches.

Amount

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material,disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 metres) Dismantling Stone Masonry Rubble stone masonry in cement mortar.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.) Marshy soil Manual means ( upto 3 m depth)(with dewatering)

Removal of Unserviceable Soil with Disposal upto 1000 metres (Removal of unserviceable soil including excavation, loading and disposal upto 1000 metres lead but excluding replacement by suitable soil which shall be paid separately as per clause 305.)

Sand Filling in Foundation Trenches as per Drawing & Technical Specification

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Stone masonry work in cement mortar 1:3 in foundation complete as drawing and Technical Specification Random Rubble Masonry

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A)Granular material

Earthwork in de-siltation of drainage channel to proper grade and slope up to required section including excavation of side slopes and bed of the channel in marshy /muddy soil, removal of all derbies like decomposed organic matters, plastic garbage, aquatic plants, water hyacinth etc, dewatering by manual means if necessary etc. and removing of the excavated soil and garbage /spoils up to a distance of 100m etc. including all lead and lift complete as directed

Construction of temporary blockade of size 0.75m X 0.40m by earth filled cement bags supported with Bholuka bamboo pallasiding at both sides in the bed of channel for draining water through a restricted path at the time of re-sectioning/construction of foundations of flood walls etc. including driving of bamboo posts 0.80m above ground and 1.00m below ground at 0.30m clear apart, tying with one row half Jati bamboo kamies and removing of the blockade after completion of the work complete as directed.

Carriage of excavated muddy/slushy soil/garbage by truck of 10 MT capacity and depositing the same in suitable dumping ground within an average lead of 5.00 Km including cost of P.O.L. and loading/unloading charges etc. complete as directed.

Construction of temporary shed with 300mm high plinth and floor , Bhaluka bamboo post driving at least 750mm under ground, height above plinth 2400mm,wattle wall mud plastered and white wash two coats, 100mm thick thatched roof, double mat doors and windows etc. complete as directed as specified. With whole Jati bamboo rua frame

SURAJIT ROY

HEMEN KUMAR DUTTA ORIENTAL ENGINEERS JV