Construction of flood wall along L/B of river Pamohi along with other ancillary works

Amount

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. Rubble Stone Masonry in Cement Mortar

Excavation for Structures (Earth work in excavationof 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.) v) 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.)

PCC 1:3:6 in Foundation(Plain cement concrete 1:3:6 nominalmix 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 for substructure complete as per drawing and Technical Specifications Random Rubble Masonry

Sand Filling in Foundation Trenches as per Drawing & Technical Specification

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.

Excavation for structures : Earth work in excavation for foundation of structures as per drawings and technical specifications, including setting out, construction of shoring and bracing, removal of stumps and other deeleterious matter, dressing of sides and bottom and back filling with approved material.I. Ordinary soil A. Manual means(I) depth upto 3.0m( with dewatering)

Bored Cast-in-situ M35 Grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removel of excavated earth with all lifts and lead up to 1000m. Pile dia.= 1000mm. N. without plasticiser

Pile load test on single vertical pile in accordance with IS:2911 (Part-IV)a) Initial and routine load test

Cement concrete for reinforced concrete in pile cap complete as per drawing and technical specificationsB. RCC Grade M25 ( Using Concrete Mixer)

Levelling course for pile cap : providing and lying of PCC M15 levelling course 100mm thick below the pile cap

Reinforcement in Foundation: Supplying, fitting and placing un-coated TMT bar reinforcement in foundation complete as per drawing and technical specifications

Plain/Reinforced cement concrete in substructure complete as per Drawing and Technical SpecificationsF. RCC Grade M25(Using Concrete mixer) II) Height 5.0m to 10.0m

Supplying , fitting and placing TMT bar reinforcement in substructure complete as per drawing and Technical Specifications.

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 1V : 20H towards drawing face. Complete as per drawing and Technical spefifications

Back fill behind Abutment, Wing wall and Return wall complete as per drawing and Technical specifications B) Sandy material

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83(pt.II) section IX and clause 2005 of MoRT&H Specifications complete including all accessories as per drawing and Technical Specifications.

Furnishing and placing reinforcement/ prestressed cement concrete in superstructure as per drawing and technical specificationsB. RCC Grade M25 ( Using Concrete Mixer)(II) For T-Beam and Slab(q) Height 5.0 m to 10.0 m

(b) Supplying , fitting and placing TMT bar reinforcement in superstructure complete as per drawing and Technical Specifications.

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specifications

Construction of pre-cast RCC railing of grade M30 Grade in situ with 20mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500 centre to centre spacing between vertical post not to exceed 2000mm levelling adequate space between vertical post of expansion, complete as per drawings and technical specifications.

Drainage spouts complete as per approved drawings and technical specifications.

Burried Joint (Providing and laying a burried expansion joint, expansion gap being 20 mm, covered with 12 mm thick, 200 mm wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surfaces of the deck concrete, welding of 8mm dia, 100mm long galvanized nails spaced 300mm C/C along the center line of the plate , all as specified in clause 2604.)

Providing & fixing 20 mm thick compressible fibre board in expansion joint complete as per drawing & Technical Specification.

Providing and laying strip seal expansion joint catering to maximum horizontal movement up to 70mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/ supplier or their authorised represantative ensuring compliance to the manufacturar's instructions for installation.

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications Clause 1302

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate spa

M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space

HEMEN KUMAR DUTTA