Water Corporation Of Odisha Tender

W.B.M. / W.M.M. road

Earth Work : Supplying all labour and T & P and earthwork in excavation in all kinds of soil in trenches for laying of RCC sewer pipes,construction of manhole chambers, sewer connection chambers,inspection chambers, house sewres & drop connection to manhole chambers etc. including dressing and leveling the bed and depositing the excavated materials within 50 meters initial lead including barricading, watch & ward, lighting and bailing out water of trenches ,if necessary etc.all complete as per the drawing ,specification and direction of the Engineer.

Trench line Excavation

Up to 1.5m B.G.L

1.5m to 3m B.G.L

3m to 4.5m B.G.L

4.5m to 6m B.G.L

Up to 1.5m B.G.L

1.5m to 3m B.G.L

3m to 4.5m B.G.L

4.5m to 6m B.G.L

6m to 7.5m B.G.L

Pipe Bedding : Supplying all material, labour, T&P & filling granular material (well graded crushed rock or gravel of size not exceeding 25mm) in the trenches and compacting & levelling for Class-B bedding (granular bedding)and bailing out water ,if necessary including all taxes,duties and royality all complete as per approved drawing, specification and as per the direction of the Engineer.

Trench line Excavation

Supplying & Laying of NP3 Pipe: Supplying pipes, rubber rings and all other material, labour, T&P & laying at sites RCC S/S non pressure pipes of class-NP3 including lowering the pipes into the trenches to required depth below GL, laying of pipes true to the alignment & gradient, making the joints with rubber gaskets including excavation of earth at joints below invert level of pipes, cost of all jointing materials,testing,commissioning and bailing out water, if necessary etc.(but excluding excavation and refilling trenches,shoring & shuttering) including all taxes and duties all complete as per specification,approved design & drawing and as per the direction of the Engineer.

600mm dia NP3

Cast In Place Manhole Chamber : Supplying all material, labour, T&P and designing and constructing following circular type eccentric cone top RCC manhole chambers with RCPC/SFRC manhole cover and ring, bottom slab & shaft made of RCC M-25 to required depth with graded granite stone aggregate 12mm nominal size, foundation concrete below bottom slab 100mm thick in CC(1:3:6) using granite stone aggregate of size not exceeding 40mm size, inside plastering with 6mm thick in CM(1:3) finished smooth with neat cement punning benching & channelling with PCC (1:2:4) using graded granite stone aggregate 12mm nominal size, 20mm thick plastering over benching and channel surface with CM (1:3) including neat cement punning,connecting the incoming & out going sewers with the chamber,filling the annular space with non-shrink grout of CC(1:1:2), bailing out water, if necessary, barricading, lighting, watch & ward etc, including reinforcement, shuttering and centering (excluding shoring,shuttering to trench,earth work,removal of excavated earth,refilling with sand) testing & commissioning,including all taxes and duties all complete as per approved design & drawing, specification and as per the direction of the Engineer.

1500 mm internal dia 2.38 m deep top portion ecentric cone with 560 mm internal dia. At top with heavy duty manhole cover 760 mm dia of required thickness with lifting arrangement.

Extra depth of cast in site manhole - Supply on material labour, T & P, Etc and Construction of manhole shaft to regular Excess or less height of manhole for the following size all complete as per specification and direction of the Engineer.

1500 mm internal dia 2.3 m deep.

Sand filling: Supplying all labour,T&P and refilling the trenches of pipe line, manhole chambers,sewer connection chambers ,inspection chambers, house sewers etc. with sand including all taxes & duties up to required depth in layers not exceeding 150mm thick including watering & ramming all complete as per specification and direction of the Engineer.

ND-1424/2 to ND-1427

Disposal of surplus material : Supplying all labour and T & P and transporting the surplus excavated materials by mecanical means and disposing the same at a predetermined disposal point within 5 km radius from the excavated site as per direction of the Engineer.

ND-1424/2 to ND-1427

Dewatering : Providing all material, labour, disel pump and all other T & P and using well point system wherever necessary and dewatering ther water from trenches during excavation and construction work as per the direction of the Engineer.

ND-1424/2 to ND-1427

Supplying all material, labour and T & P and providing 100mm thick cement concrete (1:3:6) using 40mm size hard granite stone metal including hoisting laying, compacting, levelling, curing including taxes and duties etc all complete as per specification and as per the direction of the Engineer.

Supplying all material, labour and T & P and providing 150 mm thick cement concrete (1:1 1/2:3) using 12mm down hard granite chips, including hoisting and laying concrete, levelling and making surface smooth,watering for curing etc all complete including cost, conveyance , taxes and duties all complete as per specification and as per the direction of the Engineer.