Construction of additional works of Pagu MHS (2 x 1000 kW) at Choba (SH - Power Channel, Spillway Channel 250 mtr, Intake weir wing wall, Security compound wall around residential Complex and Power House Area)

Amount

SH: Power Channel

Removing mixed earth or rock slips including cleaning the site as per direction of engineer in - charge.

Demolishing RCC work including stacking of steel bars and disposal of un-serviceable materials within 50 metres lead.

Providing and laying cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in: (a) Foundations and Plinth.

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete in walls (any thickness) including attached pillasters, buttresses, plinth and string course, fillets etc from top of foundation up to floor two level including finishing and plastering the exposed surfaces with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Centring and shuttering including strutting, propping etc and removal of form work for :

a) Foundation, footings, bases of columns etc. and mass concrete.

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

Reinforcement of RCC work including bending, binding and placing in position complete: a) Tar/TMT steel

SH: Spillway Channel

Cutting of Trees, including Cutting of Trunks, Branches and Removal (Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 mtrs and earth filling in the depression/pit.)

i) Girth from 300 mm to 600 mm

ii) Girth from 600 mm to 900 mm

iii) Girth from 900 mm to 1800 mm

Clearing and Grubbing Road Land (Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness): i) By Manual Means in area of thorny jungle.

Excavation in Soil with Dozer with lead upto 100 metres (Excavation for road way in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 metres (average lead 50 metres), including trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections.)

Earth work in excavation in foundation and trenches in soils containing 50% or more of shingle or small size boulders upto 30 cm size, lift upto 1.50 m and stacking the excavated soil not more than 3 m clear from the edge of lhe excavation and returning the stacked soil in 15 cm layers when. required, into plinth, sides of foundation etc consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated soil as directed within a lead of 50m.

Providing and laying cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in: (a) Foundations and Plinth.

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete in walls (any thickness) including attached pillasters, buttresses, plinth and string course, fillets etc from top of foundation up to floor two level including finishing and plastering the exposed surfaces with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete in suspended floors, roofs, landings and balconies upto floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centring and shuttering and reinforcement with M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Centring and shuttering including strutting, propping etc and removal of form work for :

a) Foundation, footings, bases of columns etc. and mass concrete.

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

c) Suspended floors, roofs, landings shelves and their supports, balconies and chajjas (3.5 m height).

Reinforcement of RCC work including bending, binding and placing in position complete: a) Tar/TMT steel

Random rubble masonry with hard stone in foundations and plinth in cement mortar 1 : 6 (1 cement : 6 fine sand) including levelling up with cement concrete 1 : 6 : 12 (1 cement : 6 coarse sand : 1 2 stone aggregate 20 mm nominal size) at plinth level.

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 specifications

Re-filling excavated earth in foundations and plinth etc. in 15 cm layer including ramming and watering etc. complete.

SH: Weir Intake Wing Wall

Earth work in excavation in saturated soil upto a depth of 61 cm including pumping or bailing out water and disposing of excavated soil, lead upto 50 m and lift upto 1,50 m.

Providing and laying cement concrete 1 : 2 : 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in: (a) Foundations and Plinth.

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Extra for laying concrete in or under water and or liquid mud includlng cost of pumping and bailing out water and removing of slush etc. complete

Reinforced cement concrete in walls (any thickness) including attached pillasters, buttresses, plinth and string course, fillets etc from top of foundation up to floor two level including finishing and plastering the exposed surfaces with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Centring and shuttering including strutting, propping etc and removal of form work for :

a) Foundation, footings, bases of columns etc. and mass concrete.

b) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc.

Reinforcement of RCC work including bending, binding and placing in position complete: a) Tar/TMT steel

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: a) Stone/Boulder

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 specifications

Providing and fixing additional MS sluice gate

SH: Security Compound Wall

I. Security Wall 433 Mtrs.

Earth work in excavation in soils containing 50% or more of shingle or small size boulders upto 30 cm size including banking in 20 cm layers and breaking clods, ramming and and lift upto 1.50 m.dressing up for the purpose of making embankments or filling up ground depressions lead upto 50 m

Providing and laying cement concrete 1 : 4 : 8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in : a) Foundations and plinth.

Providing and laying cement concrete 1 : 3 : 6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in : a) Foundations and plinth.

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforcement cement concrete work in columns, pillars, piers, abutments, post and struts etc up to floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but exluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete work in lintels, beams and bresumers up to floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centering, shuttering and reinforcement in : a) M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Centring and shuttering including strutting, propping etc and removal of form work for :

a) Foundation, footings, bases of columns etc. and mass concrete.

b) Column, pillars, posts and struts etc.

c) Lintels, beams, girders,bressumers and cantilevers etc.

Reinforcement of RCC work including bending, binding and placing in position complete: a) Tar/TMT steel

Half brick masonry ( with best available local bricks) in cement mortar 1 : 4 (m1 cement : 4 coarse sand ) in foundation and plinth.

Extra for half brick work with best available local bricks in superstructure above plinth level up to floor two level.

Providing and fixing MS grills of required pattern in wooden frames of windows etc with MS flat, square or round bars with round headed bolts and nuts or by screws. a) Plain grill

12 mm cement plaster 1 : 4 (1 cement : 4 fine sand)

Colour washing such as green, blue or buff on new work (two or more coats) including a base coat of white washing with lime to give an even shade

II. MS Gate 4.00 m Length

Earth work in excavation in foundation trenches not exceeding 1.50 m width or 10 Sq.m. on plan ordrains notexceeding 1.50 m in width or 10 Sq.m. on plan including dressing of sides and ramming of bottoms, lift upto 1.50 m including getting outthe excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

a) Ordinary Soil

Re-filling excavated earth in foundations and plinth etc. in 15 cm layer including ramming and watering etc. complete.

Providing and laying cement concrete 1 : 4 : 8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) excluding the cost of centring and shuttering in : a) Foundations and plinth.

Reinforced concrete work in foundations, footings, bases of columns etc. and mass concrete excluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforcement cement concrete work in columns, pillars, piers, abutments, post and struts etc up to floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but exluding cost of centring, shuttering and reinforcement in : a) M20 (1 cement : 1.5 corase sand : 3 stone aggregate 20 mm nominal size).

Reinforced cement concrete work in lintels, beams and bresumers up to floor two level including finishing and plastering the exposed surface with cement mortar 1 : 3 (1 cement : 3 fine sand) of thickness not exceeding 6 mm to give a smooth and even surface but excluding cost of centering, shuttering and reinforcement in : a) M20 (1 cement : 1.5 coarse sand : 3 stone aggregate 20 mm nominal size).

Centring and shuttering including strutting, propping etc and removal of form work for :

a) Foundation, footings, bases of columns etc. and mass concrete.

b) Column, pillars, posts and struts etc.

c) Lintels, beams, girders,bressumers and cantilevers etc.

Reinforcement of RCC work including bending, binding and placing in position complete: a) Tar/TMT steel

12mm cement plaster1 : 4 (1 cement : 4 fine sand )

Applying one coat of cement primer of approved brand and manufacture on wall surface.

Finishing walls with water proofing cement painting of approved brand and manufacture and required shade on new work (three or more coats) to give an even shade.

Steel work in single section including cutting, hoisting, fixing in position and applying a priming coat of red lead paint.

a) In Tees, Angles and Channels

Welding by Electric Plant

Applying priming coat with ready mixed primer of approved brand and manufacture on steel work.